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FEX-Emu--FEX/FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
T
Lioncache b27bf43901 OpcodeDispatcher: Remove redundant moves from rorx 
By allowing junk in the upper bits, we can avoid an unnecessary move,
since we'll be ignoring them in the following ROR instruction anyway.
2023-10-15 17:05:15 +02:00

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299 KiB
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// SPDX-License-Identifier: MIT
/*
$info$
tags: frontend|x86-to-ir, opcodes|dispatcher-implementations
desc: Handles x86/64 ops to IR, no-pf opt, local-flags opt
$end_info$
*/
#include "FEXCore/Utils/Telemetry.h"
#include "Interface/Context/Context.h"
#include "Interface/Core/OpcodeDispatcher.h"
#include "Interface/Core/X86Tables/X86Tables.h"
#include <FEXCore/Config/Config.h>
#include <FEXCore/Core/Context.h>
#include <FEXCore/Core/CoreState.h>
#include <FEXCore/Core/X86Enums.h>
#include <FEXCore/HLE/SyscallHandler.h>
#include <FEXCore/IR/IR.h>
#include <FEXCore/IR/IREmitter.h>
#include <FEXCore/IR/IntrusiveIRList.h>
#include <FEXCore/Utils/EnumUtils.h>
#include <FEXCore/Utils/LogManager.h>
#include <algorithm>
#include <array>
#include <cstdint>
#include <tuple>
namespace FEXCore::IR {
using X86Tables::OpToIndex;
#define OpcodeArgs [[maybe_unused]] FEXCore::X86Tables::DecodedOp Op
void OpDispatchBuilder::SyscallOp(OpcodeArgs) {
constexpr size_t SyscallArgs = 7;
using SyscallArray = std::array<uint64_t, SyscallArgs>;
size_t NumArguments{};
const SyscallArray *GPRIndexes {};
static constexpr SyscallArray GPRIndexes_64 = {
FEXCore::X86State::REG_RAX,
FEXCore::X86State::REG_RDI,
FEXCore::X86State::REG_RSI,
FEXCore::X86State::REG_RDX,
FEXCore::X86State::REG_R10,
FEXCore::X86State::REG_R8,
FEXCore::X86State::REG_R9,
};
static constexpr SyscallArray GPRIndexes_32 = {
FEXCore::X86State::REG_RAX,
FEXCore::X86State::REG_RBX,
FEXCore::X86State::REG_RCX,
FEXCore::X86State::REG_RDX,
FEXCore::X86State::REG_RSI,
FEXCore::X86State::REG_RDI,
FEXCore::X86State::REG_RBP,
};
static constexpr SyscallArray GPRIndexes_Hangover = {
FEXCore::X86State::REG_RCX,
};
static constexpr SyscallArray GPRIndexes_Win64 = {
FEXCore::X86State::REG_RAX,
FEXCore::X86State::REG_R10,
FEXCore::X86State::REG_RDX,
FEXCore::X86State::REG_R8,
FEXCore::X86State::REG_R9,
FEXCore::X86State::REG_RSP,
};
SyscallFlags DefaultSyscallFlags = FEXCore::IR::SyscallFlags::DEFAULT;
const auto OSABI = CTX->SyscallHandler->GetOSABI();
if (OSABI == FEXCore::HLE::SyscallOSABI::OS_LINUX64) {
NumArguments = GPRIndexes_64.size();
GPRIndexes = &GPRIndexes_64;
}
else if (OSABI == FEXCore::HLE::SyscallOSABI::OS_LINUX32) {
NumArguments = GPRIndexes_32.size();
GPRIndexes = &GPRIndexes_32;
}
else if (OSABI == FEXCore::HLE::SyscallOSABI::OS_WIN64) {
NumArguments = 6;
GPRIndexes = &GPRIndexes_Win64;
DefaultSyscallFlags = FEXCore::IR::SyscallFlags::NORETURNEDRESULT;
}
else if (OSABI == FEXCore::HLE::SyscallOSABI::OS_WIN32) {
// Since the whole context is going to be saved at entry anyway, theres no need to do additional work to pass in args
NumArguments = 0;
GPRIndexes = nullptr;
DefaultSyscallFlags = FEXCore::IR::SyscallFlags::NORETURNEDRESULT;
}
else if (OSABI == FEXCore::HLE::SyscallOSABI::OS_HANGOVER) {
NumArguments = 1;
GPRIndexes = &GPRIndexes_Hangover;
}
else {
LogMan::Msg::DFmt("Unhandled OSABI syscall");
}
// Calculate flags early.
CalculateDeferredFlags();
const uint8_t GPRSize = CTX->GetGPRSize();
auto NewRIP = GetRelocatedPC(Op, -Op->InstSize);
_StoreContext(GPRSize, GPRClass, NewRIP, offsetof(FEXCore::Core::CPUState, rip));
const auto& GPRIndicesRef = *GPRIndexes;
OrderedNode *Arguments[SyscallArgs] {
InvalidNode,
InvalidNode,
InvalidNode,
InvalidNode,
InvalidNode,
InvalidNode,
InvalidNode,
};
for (size_t i = 0; i < NumArguments; ++i) {
Arguments[i] = LoadGPRRegister(GPRIndicesRef[i]);
}
auto SyscallOp = _Syscall(
Arguments[0],
Arguments[1],
Arguments[2],
Arguments[3],
Arguments[4],
Arguments[5],
Arguments[6],
DefaultSyscallFlags);
if (OSABI != FEXCore::HLE::SyscallOSABI::OS_HANGOVER &&
(DefaultSyscallFlags & FEXCore::IR::SyscallFlags::NORETURNEDRESULT) != FEXCore::IR::SyscallFlags::NORETURNEDRESULT) {
// Hangover doesn't want us returning a result here
// syscall is being abused as a thunk for now.
StoreGPRRegister(X86State::REG_RAX, SyscallOp);
}
if (Op->TableInfo->Flags & X86Tables::InstFlags::FLAGS_BLOCK_END) {
// RIP could have been updated after coming back from the Syscall.
NewRIP = _LoadContext(GPRSize, GPRClass, offsetof(FEXCore::Core::CPUState, rip));
CalculateDeferredFlags();
_ExitFunction(NewRIP);
}
}
void OpDispatchBuilder::ThunkOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
const uint8_t GPRSize = CTX->GetGPRSize();
uint8_t *sha256 = (uint8_t *)(Op->PC + 2);
if (CTX->Config.Is64BitMode) {
// x86-64 ABI puts the function argument in RDI
_Thunk(
LoadGPRRegister(X86State::REG_RDI),
*reinterpret_cast<SHA256Sum*>(sha256)
);
}
else {
// x86 fastcall ABI puts the function argument in ECX
_Thunk(
LoadGPRRegister(X86State::REG_RCX),
*reinterpret_cast<SHA256Sum*>(sha256)
);
}
auto Constant = _Constant(GPRSize);
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
auto NewRIP = _LoadMem(GPRClass, GPRSize, OldSP, GPRSize);
OrderedNode *NewSP = _Add(IR::SizeToOpSize(GPRSize), OldSP, Constant);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
CalculateDeferredFlags();
// Store the new RIP
_ExitFunction(NewRIP);
BlockSetRIP = true;
}
void OpDispatchBuilder::LEAOp(OpcodeArgs) {
// LEA specifically ignores segment prefixes
const auto SrcSize = GetSrcSize(Op);
if (CTX->Config.Is64BitMode) {
const uint32_t DstSize = X86Tables::DecodeFlags::GetOpAddr(Op->Flags, 0) == X86Tables::DecodeFlags::FLAG_OPERAND_SIZE_LAST ? 2 :
X86Tables::DecodeFlags::GetOpAddr(Op->Flags, 0) == X86Tables::DecodeFlags::FLAG_WIDENING_SIZE_LAST ? 8 : 4;
auto Src = LoadSource_WithOpSize(GPRClass, Op, Op->Src[0], SrcSize, Op->Flags, -1, false);
if (DstSize != SrcSize) {
// If the SrcSize isn't the DstSize then we need to zero extend.
const uint8_t GPRSize = CTX->GetGPRSize();
Src = _Bfe(IR::SizeToOpSize(GPRSize), SrcSize * 8, 0, Src);
}
StoreResult_WithOpSize(GPRClass, Op, Op->Dest, Src, DstSize, -1);
}
else {
uint32_t DstSize = X86Tables::DecodeFlags::GetOpAddr(Op->Flags, 0) == X86Tables::DecodeFlags::FLAG_OPERAND_SIZE_LAST ? 2 : 4;
auto Src = LoadSource_WithOpSize(GPRClass, Op, Op->Src[0], SrcSize, Op->Flags, -1, false);
StoreResult_WithOpSize(GPRClass, Op, Op->Dest, Src, DstSize, -1);
}
}
void OpDispatchBuilder::NOPOp(OpcodeArgs) {
}
void OpDispatchBuilder::RETOp(OpcodeArgs) {
const uint8_t GPRSize = CTX->GetGPRSize();
// ABI Optimization: Flags don't survive calls or rets
if (CTX->Config.ABILocalFlags) {
_InvalidateFlags(~0UL); // all flags
// Deferred flags are invalidated now
InvalidateDeferredFlags();
}
else {
// Calculate flags early.
CalculateDeferredFlags();
}
auto Constant = _Constant(GPRSize);
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
auto NewRIP = _LoadMem(GPRClass, GPRSize, OldSP, GPRSize);
OrderedNode *NewSP;
if (Op->OP == 0xC2) {
auto Offset = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
NewSP = _Add(IR::SizeToOpSize(GPRSize), _Add(IR::SizeToOpSize(GPRSize), OldSP, Constant), Offset);
}
else {
NewSP = _Add(IR::SizeToOpSize(GPRSize), OldSP, Constant);
}
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
CalculateDeferredFlags();
// Store the new RIP
_ExitFunction(NewRIP);
BlockSetRIP = true;
}
/*
stack contains:
Size of each member is 64-bit, 32-bit, or 16-bit depending on operating size
RIP
CS
EFLAGS
RSP
SS
*/
void OpDispatchBuilder::IRETOp(OpcodeArgs) {
// Operand Size override unsupported!
if ((Op->Flags & X86Tables::DecodeFlags::FLAG_OPERAND_SIZE) != 0) {
LogMan::Msg::EFmt("IRET only implemented for 64bit and 32bit sizes");
DecodeFailure = true;
return;
}
// Calculate flags early.
CalculateDeferredFlags();
const uint8_t GPRSize = CTX->GetGPRSize();
auto Constant = _Constant(GPRSize);
auto SP = LoadGPRRegister(X86State::REG_RSP);
// RIP (64/32/16 bits)
auto NewRIP = _LoadMem(GPRClass, GPRSize, SP, GPRSize);
SP = _Add(IR::SizeToOpSize(GPRSize), SP, Constant);
// CS (lower 16 used)
auto NewSegmentCS = _LoadMem(GPRClass, GPRSize, SP, GPRSize);
_StoreContext(2, GPRClass, NewSegmentCS, offsetof(FEXCore::Core::CPUState, cs_idx));
UpdatePrefixFromSegment(NewSegmentCS, FEXCore::X86Tables::DecodeFlags::FLAG_CS_PREFIX);
SP = _Add(IR::SizeToOpSize(GPRSize), SP, Constant);
//eflags (lower 16 used)
auto eflags = _LoadMem(GPRClass, GPRSize, SP, GPRSize);
SetPackedRFLAG(false, eflags);
SP = _Add(IR::SizeToOpSize(GPRSize), SP, Constant);
if (CTX->Config.Is64BitMode) {
// RSP and SS only happen in 64-bit mode or if this is a CPL mode jump!
// FEX doesn't support a CPL mode switch, so don't need to worry about this on 32-bit
StoreGPRRegister(X86State::REG_RSP, _LoadMem(GPRClass, GPRSize, SP, GPRSize));
SP = _Add(IR::SizeToOpSize(GPRSize), SP, Constant);
// ss
auto NewSegmentSS = _LoadMem(GPRClass, GPRSize, SP, GPRSize);
_StoreContext(2, GPRClass, NewSegmentSS, offsetof(FEXCore::Core::CPUState, ss_idx));
UpdatePrefixFromSegment(NewSegmentSS, FEXCore::X86Tables::DecodeFlags::FLAG_SS_PREFIX);
SP = _Add(IR::SizeToOpSize(GPRSize), SP, Constant);
}
else {
// Store the stack in 32-bit mode
StoreGPRRegister(X86State::REG_RSP, SP);
}
CalculateDeferredFlags();
_ExitFunction(NewRIP);
BlockSetRIP = true;
}
void OpDispatchBuilder::CallbackReturnOp(OpcodeArgs) {
const uint8_t GPRSize = CTX->GetGPRSize();
// Store the new RIP
_CallbackReturn();
auto NewRIP = _LoadContext(GPRSize, GPRClass, offsetof(FEXCore::Core::CPUState, rip));
CalculateDeferredFlags();
// This ExitFunction won't actually get hit but needs to exist
_ExitFunction(NewRIP);
BlockSetRIP = true;
}
void OpDispatchBuilder::SecondaryALUOp(OpcodeArgs) {
FEXCore::IR::IROps IROp;
#define OPD(group, prefix, Reg) (((group - FEXCore::X86Tables::TYPE_GROUP_1) << 6) | (prefix) << 3 | (Reg))
switch (Op->OP) {
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x80), 0):
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x81), 0):
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x83), 0):
IROp = FEXCore::IR::IROps::OP_ADD;
break;
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x80), 1):
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x81), 1):
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x83), 1):
IROp = FEXCore::IR::IROps::OP_OR;
break;
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x80), 4):
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x81), 4):
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x83), 4):
IROp = FEXCore::IR::IROps::OP_AND;
break;
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x80), 5):
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x81), 5):
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x83), 5):
IROp = FEXCore::IR::IROps::OP_SUB;
break;
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x80), 6):
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x81), 6):
case OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x83), 6):
IROp = FEXCore::IR::IROps::OP_XOR;
break;
default:
IROp = FEXCore::IR::IROps::OP_LAST;
LOGMAN_MSG_A_FMT("Unknown ALU Op: 0x{:x}", Op->OP);
break;
};
#undef OPD
// X86 basic ALU ops just do the operation between the destination and a single source
auto Src = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
uint8_t Size = GetDstSize(Op);
OrderedNode *Result{};
OrderedNode *Dest{};
if (DestIsLockedMem(Op)) {
HandledLock = true;
auto DestMem = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
DestMem = AppendSegmentOffset(DestMem, Op->Flags);
switch (IROp) {
case FEXCore::IR::IROps::OP_ADD: {
Dest = _AtomicFetchAdd(IR::SizeToOpSize(Size), Src, DestMem);
Result = _Add(IR::SizeToOpSize(std::max<uint8_t>(4u, std::max(GetOpSize(Dest), GetOpSize(Src)))), Dest, Src);
break;
}
case FEXCore::IR::IROps::OP_SUB: {
Dest = _AtomicFetchSub(IR::SizeToOpSize(Size), Src, DestMem);
Result = _Sub(IR::SizeToOpSize(std::max<uint8_t>(4u, std::max(GetOpSize(Dest), GetOpSize(Src)))), Dest, Src);
break;
}
case FEXCore::IR::IROps::OP_OR: {
Dest = _AtomicFetchOr(IR::SizeToOpSize(Size), Src, DestMem);
Result = _Or(IR::SizeToOpSize(std::max<uint8_t>(4u, std::max(GetOpSize(Dest), GetOpSize(Src)))), Dest, Src);
break;
}
case FEXCore::IR::IROps::OP_AND: {
Dest = _AtomicFetchAnd(IR::SizeToOpSize(Size), Src, DestMem);
Result = _And(IR::SizeToOpSize(std::max<uint8_t>(4u, std::max(GetOpSize(Dest), GetOpSize(Src)))), Dest, Src);
break;
}
case FEXCore::IR::IROps::OP_XOR: {
Dest = _AtomicFetchXor(IR::SizeToOpSize(Size), Src, DestMem);
Result = _Xor(IR::SizeToOpSize(std::max<uint8_t>(4u, std::max(GetOpSize(Dest), GetOpSize(Src)))), Dest, Src);
break;
}
default:
LOGMAN_MSG_A_FMT("Unknown Atomic IR Op: {}", ToUnderlying(IROp));
break;
}
}
else {
Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
auto ALUOp = _Add(IR::SizeToOpSize(std::max<uint8_t>(4u, Size)), Dest, Src);
// Overwrite our IR's op type
ALUOp.first->Header.Op = IROp;
Result = ALUOp;
StoreResult(GPRClass, Op, Result, -1);
}
// Flags set
{
switch (IROp) {
case FEXCore::IR::IROps::OP_ADD:
GenerateFlags_ADD(Op, Result, Dest, Src);
break;
case FEXCore::IR::IROps::OP_SUB:
GenerateFlags_SUB(Op, Result, Dest, Src);
break;
case FEXCore::IR::IROps::OP_AND:
case FEXCore::IR::IROps::OP_XOR:
case FEXCore::IR::IROps::OP_OR: {
GenerateFlags_Logical(Op, Result, Dest, Src);
break;
}
default: break;
}
}
}
template<uint32_t SrcIndex>
void OpDispatchBuilder::ADCOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[SrcIndex], Op->Flags, -1);
uint8_t Size = GetDstSize(Op);
const auto OpSize = IR::SizeToOpSize(std::max<uint8_t>(4u, Size));
auto CF = GetRFLAG(FEXCore::X86State::RFLAG_CF_RAW_LOC);
auto ALUOp = _Add(OpSize, Src, CF);
OrderedNode *Result{};
OrderedNode *Before{};
if (DestIsLockedMem(Op)) {
HandledLock = true;
OrderedNode *DestMem = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
DestMem = AppendSegmentOffset(DestMem, Op->Flags);
Before = _AtomicFetchAdd(IR::SizeToOpSize(Size), ALUOp, DestMem);
Result = _Add(OpSize, Before, ALUOp);
}
else {
Before = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
Result = _Add(OpSize, Before, ALUOp);
StoreResult(GPRClass, Op, Result, -1);
}
if (Size < 4)
Result = _Bfe(IR::SizeToOpSize(std::max<uint8_t>(4u, Size)), Size * 8, 0, Result);
GenerateFlags_ADC(Op, Result, Before, Src, CF);
}
template<uint32_t SrcIndex, bool SetFlags>
void OpDispatchBuilder::SBBOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[SrcIndex], Op->Flags, -1);
auto Size = GetDstSize(Op);
const auto OpSize = IR::SizeToOpSize(std::max<uint8_t>(4u, Size));
auto CF = GetRFLAG(FEXCore::X86State::RFLAG_CF_RAW_LOC);
auto ALUOp = _Add(OpSize, Src, CF);
OrderedNode *Result{};
OrderedNode *Before{};
if (DestIsLockedMem(Op)) {
HandledLock = true;
OrderedNode *DestMem = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
DestMem = AppendSegmentOffset(DestMem, Op->Flags);
Before = _AtomicFetchSub(IR::SizeToOpSize(Size), ALUOp, DestMem);
Result = _Sub(Size == 8 ? OpSize::i64Bit : OpSize::i32Bit, Before, ALUOp);
}
else {
Before = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
Result = _Sub(Size == 8 ? OpSize::i64Bit : OpSize::i32Bit, Before, ALUOp);
StoreResult(GPRClass, Op, Result, -1);
}
if (SetFlags) {
if (Size < 4) {
Result = _Bfe(IR::SizeToOpSize(std::max<uint8_t>(4u, Size)), Size * 8, 0, Result);
}
GenerateFlags_SBB(Op, Result, Before, Src, CF);
}
}
void OpDispatchBuilder::PUSHOp(OpcodeArgs) {
const uint8_t Size = GetSrcSize(Op);
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
const uint8_t GPRSize = CTX->GetGPRSize();
auto NewSP = _Push(GPRSize, Size, Src, OldSP);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
}
void OpDispatchBuilder::PUSHREGOp(OpcodeArgs) {
const uint8_t Size = GetSrcSize(Op);
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Dest , Op->Flags, -1, true, false, MemoryAccessType::ACCESS_DEFAULT, true);
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
const uint8_t GPRSize = CTX->GetGPRSize();
auto NewSP = _Push(GPRSize, Size, Src, OldSP);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
}
void OpDispatchBuilder::PUSHAOp(OpcodeArgs) {
// 32bit only
const uint8_t Size = GetSrcSize(Op);
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
// PUSHA order:
// Tmp = SP
// push EAX
// push ECX
// push EDX
// push EBX
// push Tmp
// push EBP
// push ESI
// push EDI
OrderedNode *Src{};
OrderedNode *NewSP = OldSP;
const uint8_t GPRSize = CTX->GetGPRSize();
Src = LoadGPRRegister(X86State::REG_RAX);
NewSP = _Push(GPRSize, Size, Src, NewSP);
Src = LoadGPRRegister(X86State::REG_RCX);
NewSP = _Push(GPRSize, Size, Src, NewSP);
Src = LoadGPRRegister(X86State::REG_RDX);
NewSP = _Push(GPRSize, Size, Src, NewSP);
Src = LoadGPRRegister(X86State::REG_RBX);
NewSP = _Push(GPRSize, Size, Src, NewSP);
// Push old-sp
NewSP = _Push(GPRSize, Size, OldSP, NewSP);
Src = LoadGPRRegister(X86State::REG_RBP);
NewSP = _Push(GPRSize, Size, Src, NewSP);
Src = LoadGPRRegister(X86State::REG_RSI);
NewSP = _Push(GPRSize, Size, Src, NewSP);
Src = LoadGPRRegister(X86State::REG_RDI);
NewSP = _Push(GPRSize, Size, Src, NewSP);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP, 4);
}
template<uint32_t SegmentReg>
void OpDispatchBuilder::PUSHSegmentOp(OpcodeArgs) {
const uint8_t SrcSize = GetSrcSize(Op);
const uint8_t DstSize = GetDstSize(Op);
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
OrderedNode *Src{};
if (!CTX->Config.Is64BitMode()) {
switch (SegmentReg) {
case FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX:
Src = _LoadContext(SrcSize, GPRClass, offsetof(FEXCore::Core::CPUState, es_idx));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_CS_PREFIX:
Src = _LoadContext(SrcSize, GPRClass, offsetof(FEXCore::Core::CPUState, cs_idx));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_SS_PREFIX:
Src = _LoadContext(SrcSize, GPRClass, offsetof(FEXCore::Core::CPUState, ss_idx));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX:
Src = _LoadContext(SrcSize, GPRClass, offsetof(FEXCore::Core::CPUState, ds_idx));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_FS_PREFIX:
Src = _LoadContext(SrcSize, GPRClass, offsetof(FEXCore::Core::CPUState, fs_idx));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_GS_PREFIX:
Src = _LoadContext(SrcSize, GPRClass, offsetof(FEXCore::Core::CPUState, gs_idx));
break;
default: break; // Do nothing
}
}
else {
switch (SegmentReg) {
case FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX:
Src = _LoadContext(SrcSize, GPRClass, offsetof(FEXCore::Core::CPUState, es_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_CS_PREFIX:
Src = _LoadContext(SrcSize, GPRClass, offsetof(FEXCore::Core::CPUState, cs_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_SS_PREFIX:
Src = _LoadContext(SrcSize, GPRClass, offsetof(FEXCore::Core::CPUState, ss_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX:
Src = _LoadContext(SrcSize, GPRClass, offsetof(FEXCore::Core::CPUState, ds_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_FS_PREFIX:
Src = _LoadContext(SrcSize, GPRClass, offsetof(FEXCore::Core::CPUState, fs_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_GS_PREFIX:
Src = _LoadContext(SrcSize, GPRClass, offsetof(FEXCore::Core::CPUState, gs_cached));
break;
default: break; // Do nothing
}
}
const uint8_t GPRSize = CTX->GetGPRSize();
// Store our value to the new stack location
// AMD hardware zexts segment selector to 32bit
// Intel hardware inserts segment selector
auto NewSP = _Push(GPRSize, DstSize, Src, OldSP);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
}
void OpDispatchBuilder::POPOp(OpcodeArgs) {
const uint8_t Size = GetSrcSize(Op);
auto Constant = _Constant(Size);
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
auto NewGPR = _LoadMem(GPRClass, Size, OldSP, Size);
auto NewSP = _Add(OpSize::i64Bit, OldSP, Constant);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
// Store what we loaded from the stack
StoreResult(GPRClass, Op, NewGPR, -1);
}
void OpDispatchBuilder::POPAOp(OpcodeArgs) {
// 32bit only
const uint8_t Size = GetSrcSize(Op);
auto Constant = _Constant(Size);
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
// POPA order:
// pop EDI
// pop ESI
// pop EBP
// ESP += 4; // Skip RSP because it'll be correct at the end
// pop EBX
// pop EDX
// pop ECX
// pop EAX
OrderedNode *Src{};
OrderedNode *NewSP = OldSP;
Src = _LoadMem(GPRClass, Size, NewSP, Size);
StoreGPRRegister(X86State::REG_RDI, Src, Size);
NewSP = _Add(OpSize::i64Bit, NewSP, Constant);
Src = _LoadMem(GPRClass, Size, NewSP, Size);
StoreGPRRegister(X86State::REG_RSI, Src, Size);
NewSP = _Add(OpSize::i64Bit, NewSP, Constant);
Src = _LoadMem(GPRClass, Size, NewSP, Size);
StoreGPRRegister(X86State::REG_RBP, Src, Size);
NewSP = _Add(OpSize::i64Bit, NewSP, _Constant(Size * 2));
// Skip SP loading
Src = _LoadMem(GPRClass, Size, NewSP, Size);
StoreGPRRegister(X86State::REG_RBX, Src, Size);
NewSP = _Add(OpSize::i64Bit, NewSP, Constant);
Src = _LoadMem(GPRClass, Size, NewSP, Size);
StoreGPRRegister(X86State::REG_RDX, Src, Size);
NewSP = _Add(OpSize::i64Bit, NewSP, Constant);
Src = _LoadMem(GPRClass, Size, NewSP, Size);
StoreGPRRegister(X86State::REG_RCX, Src, Size);
NewSP = _Add(OpSize::i64Bit, NewSP, Constant);
Src = _LoadMem(GPRClass, Size, NewSP, Size);
StoreGPRRegister(X86State::REG_RAX, Src, Size);
NewSP = _Add(OpSize::i64Bit, NewSP, Constant);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
}
template<uint32_t SegmentReg>
void OpDispatchBuilder::POPSegmentOp(OpcodeArgs) {
const uint8_t SrcSize = GetSrcSize(Op);
const uint8_t DstSize = GetDstSize(Op);
auto Constant = _Constant(SrcSize);
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
auto NewSegment = _LoadMem(GPRClass, SrcSize, OldSP, SrcSize);
auto NewSP = _Add(OpSize::i64Bit, OldSP, Constant);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
switch (SegmentReg) {
case FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX:
_StoreContext(DstSize, GPRClass, NewSegment, offsetof(FEXCore::Core::CPUState, es_idx));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_CS_PREFIX:
_StoreContext(DstSize, GPRClass, NewSegment, offsetof(FEXCore::Core::CPUState, cs_idx));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_SS_PREFIX:
_StoreContext(DstSize, GPRClass, NewSegment, offsetof(FEXCore::Core::CPUState, ss_idx));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX:
_StoreContext(DstSize, GPRClass, NewSegment, offsetof(FEXCore::Core::CPUState, ds_idx));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_FS_PREFIX:
_StoreContext(DstSize, GPRClass, NewSegment, offsetof(FEXCore::Core::CPUState, fs_idx));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_GS_PREFIX:
_StoreContext(DstSize, GPRClass, NewSegment, offsetof(FEXCore::Core::CPUState, gs_idx));
break;
default: break; // Do nothing
}
UpdatePrefixFromSegment(NewSegment, SegmentReg);
}
void OpDispatchBuilder::LEAVEOp(OpcodeArgs) {
// First we move RBP in to RSP and then behave effectively like a pop
const uint8_t Size = GetSrcSize(Op);
auto Constant = _Constant(Size);
auto OldBP = LoadGPRRegister(X86State::REG_RBP);
auto NewGPR = _LoadMem(GPRClass, Size, OldBP, Size);
auto NewSP = _Add(IR::SizeToOpSize(Size), OldBP, Constant);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
// Store what we loaded to RBP
StoreGPRRegister(X86State::REG_RBP, NewGPR);
}
void OpDispatchBuilder::CALLOp(OpcodeArgs) {
const uint8_t GPRSize = CTX->GetGPRSize();
BlockSetRIP = true;
// ABI Optimization: Flags don't survive calls or rets
if (CTX->Config.ABILocalFlags) {
_InvalidateFlags(~0UL); // all flags
// Deferred flags are invalidated now
InvalidateDeferredFlags();
}
else {
// Calculate flags early.
CalculateDeferredFlags();
}
auto ConstantPC = GetRelocatedPC(Op);
OrderedNode *JMPPCOffset = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
OrderedNode *NewRIP = _Add(IR::SizeToOpSize(GPRSize), ConstantPC, JMPPCOffset);
// Push the return address.
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
auto NewSP = _Push(GPRSize, GPRSize, ConstantPC, OldSP);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
const uint64_t NextRIP = Op->PC + Op->InstSize;
LOGMAN_THROW_A_FMT(Op->Src[0].IsLiteral(), "Had wrong operand type");
const uint64_t TargetRIP = Op->PC + Op->InstSize + Op->Src[0].Data.Literal.Value;
CalculateDeferredFlags();
if (NextRIP != TargetRIP) {
// Store the RIP
_ExitFunction(NewRIP); // If we get here then leave the function now
}
else {
NeedsBlockEnd = true;
}
}
void OpDispatchBuilder::CALLAbsoluteOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
BlockSetRIP = true;
const uint8_t Size = GetSrcSize(Op);
OrderedNode *JMPPCOffset = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto ConstantPCReturn = GetRelocatedPC(Op);
// Push the return address.
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
auto NewSP = _Push(Size, Size, ConstantPCReturn, OldSP);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
// Store the RIP
CalculateDeferredFlags();
_ExitFunction(JMPPCOffset); // If we get here then leave the function now
}
OrderedNode *OpDispatchBuilder::SelectMask(OrderedNode *Cmp, uint64_t Mask, bool TrueIsNonzero, IR::OpSize ResultSize, OrderedNode *TrueValue, OrderedNode *FalseValue) {
return _Select(ResultSize, OpSize::i32Bit,
TrueIsNonzero ? CondClassType{COND_ANDNZ} : CondClassType{COND_ANDZ},
Cmp, _Constant(Mask),
TrueValue, FalseValue);
}
OrderedNode *OpDispatchBuilder::SelectNZCV(unsigned BitOffset, bool TrueIsNonzero, IR::OpSize ResultSize, OrderedNode *TrueValue, OrderedNode *FalseValue) {
return SelectMask(GetNZCV(), 1u << IndexNZCV(BitOffset), TrueIsNonzero, ResultSize, TrueValue, FalseValue);
}
OrderedNode *OpDispatchBuilder::SelectCC(uint8_t OP, IR::OpSize ResultSize, OrderedNode *TrueValue, OrderedNode *FalseValue) {
OrderedNode *SrcCond = nullptr;
auto ZeroConst = _Constant(0);
auto OneConst = _Constant(1);
switch (OP) {
case 0x0: { // JO - Jump if OF == 1
SrcCond = SelectNZCV(FEXCore::X86State::RFLAG_OF_RAW_LOC, true, ResultSize, TrueValue, FalseValue);
break;
}
case 0x1:{ // JNO - Jump if OF == 0
SrcCond = SelectNZCV(FEXCore::X86State::RFLAG_OF_RAW_LOC, false, ResultSize, TrueValue, FalseValue);
break;
}
case 0x2: { // JC - Jump if CF == 1
SrcCond = SelectNZCV(FEXCore::X86State::RFLAG_CF_RAW_LOC, true, ResultSize, TrueValue, FalseValue);
break;
}
case 0x3: { // JNC - Jump if CF == 0
SrcCond = SelectNZCV(FEXCore::X86State::RFLAG_CF_RAW_LOC, false, ResultSize, TrueValue, FalseValue);
break;
}
case 0x4: { // JE - Jump if ZF == 1
SrcCond = SelectNZCV(FEXCore::X86State::RFLAG_ZF_RAW_LOC, true, ResultSize, TrueValue, FalseValue);
break;
}
case 0x5: { // JNE - Jump if ZF == 0
SrcCond = SelectNZCV(FEXCore::X86State::RFLAG_ZF_RAW_LOC, false, ResultSize, TrueValue, FalseValue);
break;
}
case 0x6: { // JNA - Jump if CF == 1 || ZC == 1
SrcCond = SelectMask(GetNZCV(), (1u << IndexNZCV(FEXCore::X86State::RFLAG_CF_RAW_LOC)) |
(1u << IndexNZCV(FEXCore::X86State::RFLAG_ZF_RAW_LOC)),
true, ResultSize, TrueValue, FalseValue);
break;
}
case 0x7: { // JA - Jump if CF == 0 && ZF == 0
SrcCond = SelectMask(GetNZCV(), (1u << IndexNZCV(FEXCore::X86State::RFLAG_CF_RAW_LOC)) |
(1u << IndexNZCV(FEXCore::X86State::RFLAG_ZF_RAW_LOC)),
false, ResultSize, TrueValue, FalseValue);
break;
}
case 0x8: { // JS - Jump if SF == 1
SrcCond = SelectNZCV(FEXCore::X86State::RFLAG_SF_RAW_LOC, true, ResultSize, TrueValue, FalseValue);
break;
}
case 0x9: { // JNS - Jump if SF == 0
SrcCond = SelectNZCV(FEXCore::X86State::RFLAG_SF_RAW_LOC, false, ResultSize, TrueValue, FalseValue);
break;
}
case 0xA: { // JP - Jump if PF == 1
// Raw value contains inverted PF in bottom bit
SrcCond = SelectMask(LoadPFRaw(), 0x1, false, ResultSize, TrueValue, FalseValue);
break;
}
case 0xB: { // JNP - Jump if PF == 0
SrcCond = SelectMask(LoadPFRaw(), 0x1, true, ResultSize, TrueValue, FalseValue);
break;
}
case 0xC: { // SF <> OF
auto Flag1 = GetRFLAG(FEXCore::X86State::RFLAG_SF_RAW_LOC);
auto Flag2 = GetRFLAG(FEXCore::X86State::RFLAG_OF_RAW_LOC);
SrcCond = _Select(ResultSize, OpSize::i32Bit, CondClassType{COND_NEQ},
Flag1, Flag2, TrueValue, FalseValue);
break;
}
case 0xD: { // SF = OF
auto Flag1 = GetRFLAG(FEXCore::X86State::RFLAG_SF_RAW_LOC);
auto Flag2 = GetRFLAG(FEXCore::X86State::RFLAG_OF_RAW_LOC);
SrcCond = _Select(ResultSize, OpSize::i32Bit, CondClassType{COND_EQ},
Flag1, Flag2, TrueValue, FalseValue);
break;
}
case 0xE: {// ZF = 1 || SF <> OF
auto Select1 = SelectNZCV(FEXCore::X86State::RFLAG_ZF_RAW_LOC, true, OpSize::i32Bit,
OneConst, ZeroConst);
auto Flag2 = GetRFLAG(FEXCore::X86State::RFLAG_SF_RAW_LOC);
auto Flag3 = GetRFLAG(FEXCore::X86State::RFLAG_OF_RAW_LOC);
auto Select2 = _Select(OpSize::i32Bit, OpSize::i32Bit, CondClassType{COND_NEQ},
Flag2, Flag3, OneConst, ZeroConst);
auto Check = _Or(OpSize::i32Bit, Select1, Select2);
SrcCond = _Select(ResultSize, OpSize::i32Bit, CondClassType{COND_EQ},
Check, OneConst, TrueValue, FalseValue);
break;
}
case 0xF: {// ZF = 0 && SF = OF
auto Select1 = SelectNZCV(FEXCore::X86State::RFLAG_ZF_RAW_LOC, false, OpSize::i32Bit,
OneConst, ZeroConst);
auto Flag2 = GetRFLAG(FEXCore::X86State::RFLAG_SF_RAW_LOC);
auto Flag3 = GetRFLAG(FEXCore::X86State::RFLAG_OF_RAW_LOC);
auto Select2 = _Select(OpSize::i32Bit, OpSize::i32Bit, CondClassType{COND_EQ},
Flag2, Flag3, OneConst, ZeroConst);
auto Check = _And(OpSize::i32Bit, Select1, Select2);
SrcCond = _Select(ResultSize, OpSize::i32Bit, CondClassType{COND_EQ},
Check, OneConst, TrueValue, FalseValue);
break;
}
default:
LOGMAN_MSG_A_FMT("Unknown CC Op: 0x{:x}\n", OP);
return nullptr;
}
// Try folding the flags generation in the select op
if (flagsOp == SelectionFlag::CMP) {
switch(OP) {
// SGT
case 0xF: SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_SGT}, flagsOpDestSigned, flagsOpSrcSigned, TrueValue, FalseValue); break;
// SLE
case 0xE: SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_SLE}, flagsOpDestSigned, flagsOpSrcSigned, TrueValue, FalseValue); break;
// SGE
case 0xD: SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_SGE}, flagsOpDestSigned, flagsOpSrcSigned, TrueValue, FalseValue); break;
// SL
case 0xC: SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_SLT}, flagsOpDestSigned, flagsOpSrcSigned, TrueValue, FalseValue); break;
// not sign
//case 0x99: SrcCond = _Select(FEXCore::IR::COND_, flagsOpDestSigned, flagsOpSrcSigned, TrueValue, FalseValue, flagsOpSize); break;
// sign
//case 0x98: SrcCond = _Select(FEXCore::IR::COND_, flagsOpDestSigned, flagsOpSrcSigned, TrueValue, FalseValue, flagsOpSize); break;
// UABove
case 0x7: SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_UGT}, flagsOpDest, flagsOpSrc, TrueValue, FalseValue); break;
// UBE
case 0x6: SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_ULE}, flagsOpDest, flagsOpSrc, TrueValue, FalseValue); break;
// NE
case 0x5: SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_NEQ}, flagsOpDest, flagsOpSrc, TrueValue, FalseValue); break;
// EQ/Zero
case 0x4: SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_EQ}, flagsOpDest, flagsOpSrc, TrueValue, FalseValue); break;
// UAE
case 0x3: SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_UGE}, flagsOpDest, flagsOpSrc, TrueValue, FalseValue); break;
// UBelow
case 0x2: SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_ULT}, flagsOpDest, flagsOpSrc, TrueValue, FalseValue); break;
//default: printf("Missed Condition %04X OP_CMP\n", OP); break;
}
}
else if (flagsOp == SelectionFlag::AND) {
switch(OP) {
case 0x4: SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_EQ}, flagsOpDest, ZeroConst, TrueValue, FalseValue); break;
case 0x5: SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_NEQ}, flagsOpDest, ZeroConst, TrueValue, FalseValue); break;
//default: printf("Missed Condition %04X OP_AND\n", OP); break;
}
} else if (flagsOp == SelectionFlag::FCMP) {
/*
x86:ZCP
unordered { 11 1 }
greater { 00 0 }
less { 01 0 }
equal { 10 0 }
aarch64: NZCV
unordered { 0 01 1 }
greater { 0 01 0 }
less { 1 00 0 }
equal { 0 11 0 }
*/
/*
eq = 0, // Z set Equal.
ne = 1, // Z clear Not equal.
cs = 2, // C set Carry set.
cc = 3, // C clear Carry clear.
mi = 4, // N set Negative.
pl = 5, // N clear Positive or zero.
vs = 6, // V set Overflow.
vc = 7, // V clear No overflow.
hi = 8, // C set, Z clear Unsigned higher.
ls = 9, // C clear or Z set Unsigned lower or same.
ge = 10, // N == V Greater or equal.
lt = 11, // N != V Less than.
gt = 12, // Z clear, N == V Greater than.
le = 13, // Z set or N != V Less then or equal
*/
switch(OP) {
case 0x2: // CF == 1 // less or unordered // N==1 OR V==1 // lt
SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_FLU}, flagsOpDest, flagsOpSrc, TrueValue, FalseValue);
break;
case 0x3: // CF == 0 // greater or equal (and not unordered) // N==V // ge
SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_FGE}, flagsOpDest, flagsOpSrc, TrueValue, FalseValue);
break;
case 0x6: // CF == 1 || ZF == 1 // less or equal or unordered // Z==1 OR N!=V // le
SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_FLEU}, flagsOpDest, flagsOpSrc, TrueValue, FalseValue);
break;
case 0x7: // CF == 0 && ZF == 0 // greater (and not unordered) // C==1 AND V=0 // hi
SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_FGT}, flagsOpDest, flagsOpSrc, TrueValue, FalseValue);
break;
case 0xA: // PF = 1 // unordered // V==1 // vs
SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_FU}, flagsOpDest, flagsOpSrc, TrueValue, FalseValue);
break;
case 0xB: // PF = 0 // not unordered // V==0 // vc
SrcCond = _Select(ResultSize, IR::SizeToOpSize(flagsOpSize), CondClassType{COND_FNU}, flagsOpDest, flagsOpSrc, TrueValue, FalseValue);
break;
default:
// TODO: Add more optimized cases
break;
}
}
return SrcCond;
}
void OpDispatchBuilder::SETccOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
auto ZeroConst = _Constant(0);
auto OneConst = _Constant(1);
auto SrcCond = SelectCC(Op->OP & 0xF, OpSize::i64Bit, OneConst, ZeroConst);
StoreResult(GPRClass, Op, SrcCond, -1);
}
void OpDispatchBuilder::CMOVOp(OpcodeArgs) {
const uint8_t GPRSize = CTX->GetGPRSize();
// Calculate flags early.
CalculateDeferredFlags();
// Destination is always a GPR.
OrderedNode *Dest = LoadSource_WithOpSize(GPRClass, Op, Op->Dest, GPRSize, Op->Flags, -1);
OrderedNode *Src{};
if (Op->Src[0].IsGPR()) {
Src = LoadSource_WithOpSize(GPRClass, Op, Op->Src[0], GPRSize, Op->Flags, -1);
}
else {
Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
}
auto SrcCond = SelectCC(Op->OP & 0xF, IR::SizeToOpSize(std::max<uint8_t>(4u, GetSrcSize(Op))), Src, Dest);
StoreResult(GPRClass, Op, SrcCond, -1);
}
void OpDispatchBuilder::CondJUMPOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
BlockSetRIP = true;
auto TakeBranch = _Constant(1);
auto DoNotTakeBranch = _Constant(0);
auto SrcCond = SelectCC(Op->OP & 0xF, OpSize::i64Bit, TakeBranch, DoNotTakeBranch);
// Jump instruction only uses up to 32-bit signed displacement
LOGMAN_THROW_A_FMT(Op->Src[0].IsLiteral(), "Src1 needs to be literal here");
int64_t TargetOffset = Op->Src[0].Data.Literal.Value;
uint64_t InstRIP = Op->PC + Op->InstSize;
uint64_t Target = InstRIP + TargetOffset;
if (CTX->GetGPRSize() == 4) {
// If the GPRSize is 4 then we need to be careful about PC wrapping
if (TargetOffset < 0 && -TargetOffset > InstRIP) {
// Invert the signed value if we are underflowing
TargetOffset = 0x1'0000'0000ULL + TargetOffset;
}
else if (TargetOffset >= 0 && Target >= 0x1'0000'0000ULL) {
// We are overflowing, wrap around
TargetOffset = TargetOffset - 0x1'0000'0000ULL;
}
Target &= 0xFFFFFFFFU;
}
CalculateDeferredFlags();
auto TrueBlock = JumpTargets.find(Target);
auto FalseBlock = JumpTargets.find(Op->PC + Op->InstSize);
auto CurrentBlock = GetCurrentBlock();
// Fallback
{
auto CondJump = _CondJump(SrcCond);
// Taking branch block
if (TrueBlock != JumpTargets.end()) {
SetTrueJumpTarget(CondJump, TrueBlock->second.BlockEntry);
}
else {
// Make sure to start a new block after ending this one
auto JumpTarget = CreateNewCodeBlockAtEnd();
SetTrueJumpTarget(CondJump, JumpTarget);
SetCurrentCodeBlock(JumpTarget);
StartNewBlock();
auto NewRIP = GetRelocatedPC(Op, TargetOffset);
// Store the new RIP
_ExitFunction(NewRIP);
}
// Failure to take branch
if (FalseBlock != JumpTargets.end()) {
SetFalseJumpTarget(CondJump, FalseBlock->second.BlockEntry);
}
else {
// Make sure to start a new block after ending this one
// Place it after this block for fallthrough optimization
auto JumpTarget = CreateNewCodeBlockAfter(CurrentBlock);
SetFalseJumpTarget(CondJump, JumpTarget);
SetCurrentCodeBlock(JumpTarget);
StartNewBlock();
// Leave block
auto RIPTargetConst = GetRelocatedPC(Op);
// Store the new RIP
_ExitFunction(RIPTargetConst);
}
}
}
void OpDispatchBuilder::CondJUMPRCXOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
BlockSetRIP = true;
uint8_t JcxGPRSize = CTX->GetGPRSize();
JcxGPRSize = (Op->Flags & X86Tables::DecodeFlags::FLAG_ADDRESS_SIZE) ? (JcxGPRSize >> 1) : JcxGPRSize;
IRPair<IROp_Constant> TakeBranch;
IRPair<IROp_Constant> DoNotTakeBranch;
TakeBranch = _Constant(1);
DoNotTakeBranch = _Constant(0);
LOGMAN_THROW_A_FMT(Op->Src[0].IsLiteral(), "Src1 needs to be literal here");
uint64_t Target = Op->PC + Op->InstSize + Op->Src[0].Data.Literal.Value;
OrderedNode *CondReg = LoadGPRRegister(X86State::REG_RCX, JcxGPRSize);
auto TrueBlock = JumpTargets.find(Target);
auto FalseBlock = JumpTargets.find(Op->PC + Op->InstSize);
auto CurrentBlock = GetCurrentBlock();
{
auto CondJump = _CondJump(CondReg, {COND_EQ});
// Taking branch block
if (TrueBlock != JumpTargets.end()) {
SetTrueJumpTarget(CondJump, TrueBlock->second.BlockEntry);
}
else {
// Make sure to start a new block after ending this one
auto JumpTarget = CreateNewCodeBlockAtEnd();
SetTrueJumpTarget(CondJump, JumpTarget);
SetCurrentCodeBlock(JumpTarget);
StartNewBlock();
auto NewRIP = GetRelocatedPC(Op, Op->Src[0].Data.Literal.Value);
// Store the new RIP
_ExitFunction(NewRIP);
}
// Failure to take branch
if (FalseBlock != JumpTargets.end()) {
SetFalseJumpTarget(CondJump, FalseBlock->second.BlockEntry);
}
else {
// Make sure to start a new block after ending this one
// Place it after the current block for fallthrough behavior
auto JumpTarget = CreateNewCodeBlockAfter(CurrentBlock);
SetFalseJumpTarget(CondJump, JumpTarget);
SetCurrentCodeBlock(JumpTarget);
StartNewBlock();
// Leave block
auto RIPTargetConst = GetRelocatedPC(Op);
// Store the new RIP
_ExitFunction(RIPTargetConst);
}
}
}
void OpDispatchBuilder::LoopOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
bool CheckZF = Op->OP != 0xE2;
bool ZFTrue = Op->OP == 0xE1;
BlockSetRIP = true;
auto ZeroConst = _Constant(0);
IRPair<IROp_Header> SrcCond;
IRPair<IROp_Constant> TakeBranch = _Constant(1);
IRPair<IROp_Constant> DoNotTakeBranch = _Constant(0);
uint32_t SrcSize = (Op->Flags & X86Tables::DecodeFlags::FLAG_ADDRESS_SIZE) ? 4 : 8;
LOGMAN_THROW_A_FMT(Op->Src[1].IsLiteral(), "Src1 needs to be literal here");
uint64_t Target = Op->PC + Op->InstSize + Op->Src[1].Data.Literal.Value;
OrderedNode *CondReg = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
CondReg = _Sub(SrcSize == 8 ? OpSize::i64Bit : OpSize::i32Bit, CondReg, _Constant(SrcSize * 8, 1));
StoreResult(GPRClass, Op, Op->Src[0], CondReg, -1);
SrcCond = _Select(FEXCore::IR::COND_NEQ,
CondReg, ZeroConst, TakeBranch, DoNotTakeBranch);
// If LOOPE then jumps to target if RCX != 0 && ZF == 1
// If LOOPNE then jumps to target if RCX != 0 && ZF == 0
if (CheckZF) {
OrderedNode *ZF = GetRFLAG(FEXCore::X86State::RFLAG_ZF_RAW_LOC);
if (!ZFTrue) {
ZF = _Xor(OpSize::i64Bit, ZF, _Constant(1));
}
SrcCond = _And(OpSize::i64Bit, SrcCond, ZF);
}
CalculateDeferredFlags();
auto TrueBlock = JumpTargets.find(Target);
auto FalseBlock = JumpTargets.find(Op->PC + Op->InstSize);
{
auto CondJump = _CondJump(SrcCond);
// Taking branch block
if (TrueBlock != JumpTargets.end()) {
SetTrueJumpTarget(CondJump, TrueBlock->second.BlockEntry);
}
else {
// Make sure to start a new block after ending this one
auto JumpTarget = CreateNewCodeBlockAtEnd();
SetTrueJumpTarget(CondJump, JumpTarget);
SetCurrentCodeBlock(JumpTarget);
StartNewBlock();
auto NewRIP = GetRelocatedPC(Op, Op->Src[1].Data.Literal.Value);
// Store the new RIP
_ExitFunction(NewRIP);
}
// Failure to take branch
if (FalseBlock != JumpTargets.end()) {
SetFalseJumpTarget(CondJump, FalseBlock->second.BlockEntry);
}
else {
// Make sure to start a new block after ending this one
// Place after this block for fallthrough behavior
auto JumpTarget = CreateNewCodeBlockAfter(GetCurrentBlock());
SetFalseJumpTarget(CondJump, JumpTarget);
SetCurrentCodeBlock(JumpTarget);
StartNewBlock();
// Leave block
auto RIPTargetConst = GetRelocatedPC(Op);
// Store the new RIP
_ExitFunction(RIPTargetConst);
}
}
}
void OpDispatchBuilder::JUMPOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
BlockSetRIP = true;
// Jump instruction only uses up to 32-bit signed displacement
LOGMAN_THROW_A_FMT(Op->Src[0].IsLiteral(), "Src1 needs to be literal here");
int64_t TargetOffset = Op->Src[0].Data.Literal.Value;
uint64_t InstRIP = Op->PC + Op->InstSize;
uint64_t TargetRIP = InstRIP + TargetOffset;
if (CTX->GetGPRSize() == 4) {
// If the GPRSize is 4 then we need to be careful about PC wrapping
if (TargetOffset < 0 && -TargetOffset > InstRIP) {
// Invert the signed value if we are underflowing
TargetOffset = 0x1'0000'0000ULL + TargetOffset;
}
else if (TargetOffset >= 0 && TargetRIP >= 0x1'0000'0000ULL) {
// We are overflowing, wrap around
TargetOffset = TargetOffset - 0x1'0000'0000ULL;
}
TargetRIP &= 0xFFFFFFFFU;
}
CalculateDeferredFlags();
// This is just an unconditional relative literal jump
if (Multiblock) {
auto JumpBlock = JumpTargets.find(TargetRIP);
if (JumpBlock != JumpTargets.end()) {
_Jump(GetNewJumpBlock(TargetRIP));
}
else {
// If the block isn't a jump target then we need to create an exit block
auto Jump = _Jump();
// Place after this block for fallthrough behavior
auto JumpTarget = CreateNewCodeBlockAfter(GetCurrentBlock());
SetJumpTarget(Jump, JumpTarget);
SetCurrentCodeBlock(JumpTarget);
StartNewBlock();
_ExitFunction(GetRelocatedPC(Op, TargetOffset));
}
return;
}
// Fallback
{
auto RIPTargetConst = GetRelocatedPC(Op);
auto NewRIP = _Add(OpSize::i64Bit, _Constant(TargetOffset), RIPTargetConst);
// Store the new RIP
_ExitFunction(NewRIP);
}
}
void OpDispatchBuilder::JUMPAbsoluteOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
BlockSetRIP = true;
// This is just an unconditional jump
// This uses ModRM to determine its location
// No way to use this effectively in multiblock
auto RIPOffset = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
CalculateDeferredFlags();
// Store the new RIP
_ExitFunction(RIPOffset);
}
template<uint32_t SrcIndex>
void OpDispatchBuilder::TESTOp(OpcodeArgs) {
// TEST is an instruction that does an AND between the sources
// Result isn't stored in result, only writes to flags
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[SrcIndex], Op->Flags, -1, true, false, MemoryAccessType::ACCESS_DEFAULT, true);
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, true, false, MemoryAccessType::ACCESS_DEFAULT, true);
auto Size = GetDstSize(Op);
auto ALUOp = _And(Size == 8 ? OpSize::i64Bit : OpSize::i32Bit, Dest, Src);
GenerateFlags_Logical(Op, ALUOp, Dest, Src);
flagsOp = SelectionFlag::AND;
flagsOpDest = ALUOp;
if (Size >= 4) {
flagsOpSize = Size;
} else {
flagsOpSize = 4; // assuming ZEXT semantics here
}
}
void OpDispatchBuilder::MOVSXDOp(OpcodeArgs) {
// This instruction is a bit special
// if SrcSize == 2
// Then lower 16 bits of destination is written without changing the upper 48 bits
// else /* Size == 4 */
// if REX_WIDENING:
// Sext(32, Src)
// else
// Zext(32, Src)
//
uint8_t Size = std::min(static_cast<uint8_t>(4), GetSrcSize(Op));
OrderedNode *Src = LoadSource_WithOpSize(GPRClass, Op, Op->Src[0], Size, Op->Flags, -1);
if (Size == 2) {
// This'll make sure to insert in to the lower 16bits without modifying upper bits
StoreResult_WithOpSize(GPRClass, Op, Op->Dest, Src, Size, -1);
}
else if (Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_REX_WIDENING) {
// With REX.W then Sext
Src = _Sbfe(OpSize::i64Bit, Size * 8, 0, Src);
StoreResult(GPRClass, Op, Src, -1);
}
else {
// Without REX.W then Zext (store result implicitly zero extends)
StoreResult(GPRClass, Op, Src, -1);
}
}
void OpDispatchBuilder::MOVSXOp(OpcodeArgs) {
// This will ZExt the loaded size
// We want to Sext it
uint8_t Size = GetSrcSize(Op);
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
Src = _Sbfe(OpSize::i64Bit, Size * 8, 0, Src);
StoreResult(GPRClass, Op, Op->Dest, Src, -1);
}
void OpDispatchBuilder::MOVZXOp(OpcodeArgs) {
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
// Store result implicitly zero extends
StoreResult(GPRClass, Op, Src, -1);
}
template<uint32_t SrcIndex>
void OpDispatchBuilder::CMPOp(OpcodeArgs) {
// CMP is an instruction that does a SUB between the sources
// Result isn't stored in result, only writes to flags
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[SrcIndex], Op->Flags, -1);
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
auto Size = GetDstSize(Op);
auto ALUOp = _Sub(Size == 8 ? OpSize::i64Bit : OpSize::i32Bit, Dest, Src);
OrderedNode *Result = ALUOp;
GenerateFlags_SUB(Op, Result, Dest, Src);
flagsOp = SelectionFlag::CMP;
if (Size >= 4) {
flagsOpSize = Size;
flagsOpDestSigned = flagsOpDest = Dest;
flagsOpSrcSigned = flagsOpSrc = Src;
} else {
flagsOpSize = 4;
flagsOpDestSigned = _Sbfe(OpSize::i64Bit, Size * 8, 0, flagsOpDest = Dest);
flagsOpSrcSigned = _Sbfe(OpSize::i64Bit, Size * 8, 0, flagsOpSrc = Src);
}
}
void OpDispatchBuilder::CQOOp(OpcodeArgs) {
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto Size = GetSrcSize(Op);
OrderedNode *Upper = _Sbfe(OpSize::i64Bit, 1, Size * 8 - 1, Src);
StoreResult(GPRClass, Op, Upper, -1);
}
void OpDispatchBuilder::XCHGOp(OpcodeArgs) {
// Load both the source and the destination
if (Op->OP == 0x90 &&
GetSrcSize(Op) >= 4 &&
Op->Src[0].IsGPR() && Op->Src[0].Data.GPR.GPR == FEXCore::X86State::REG_RAX &&
Op->Dest.IsGPR() && Op->Dest.Data.GPR.GPR == FEXCore::X86State::REG_RAX) {
// This is one heck of a sucky special case
// If we are the 0x90 XCHG opcode (Meaning source is GPR RAX)
// and destination register is ALSO RAX
// and in this very specific case we are 32bit or above
// Then this is a no-op
// This is because 0x90 without a prefix is technically `xchg eax, eax`
// But this would result in a zext on 64bit, which would ruin the no-op nature of the instruction
// So x86-64 spec mandates this special case that even though it is a 32bit instruction and
// is supposed to zext the result, it is a true no-op
if (Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_REP_PREFIX) {
// If this instruction has a REP prefix then this is architectually defined to be a `PAUSE` instruction.
// On older processors this ends up being a true `REP NOP` which is why they stuck this here.
_Yield();
}
return;
}
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
if (DestIsMem(Op)) {
HandledLock = Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_LOCK;
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
Dest = AppendSegmentOffset(Dest, Op->Flags);
auto Result = _AtomicSwap(OpSizeFromSrc(Op), Src, Dest);
StoreResult(GPRClass, Op, Op->Src[0], Result, -1);
}
else {
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
// Swap the contents
// Order matters here since we don't want to swap context contents for one that effects the other
StoreResult(GPRClass, Op, Op->Dest, Src, -1);
StoreResult(GPRClass, Op, Op->Src[0], Dest, -1);
}
}
void OpDispatchBuilder::CDQOp(OpcodeArgs) {
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
uint8_t DstSize = GetDstSize(Op);
uint8_t SrcSize = DstSize >> 1;
Src = _Sbfe(OpSize::i64Bit, SrcSize * 8, 0, Src);
StoreResult_WithOpSize(GPRClass, Op, Op->Dest, Src, DstSize, -1);
}
void OpDispatchBuilder::SAHFOp(OpcodeArgs) {
// Extract AH
OrderedNode *Src = LoadGPRRegister(X86State::REG_RAX, 1, 8);
// Clear bits that aren't supposed to be set
Src = _Andn(OpSize::i64Bit, Src, _Constant(0b101000));
// Set the bit that is always set here
Src = _Or(OpSize::i64Bit, Src, _Constant(0b10));
// Store the lower 8 bits in to RFLAGS
SetPackedRFLAG(true, Src);
}
void OpDispatchBuilder::LAHFOp(OpcodeArgs) {
// Load the lower 8 bits of the Rflags register
auto RFLAG = GetPackedRFLAG(0xFF);
// Store the lower 8 bits of the rflags register in to AH
StoreGPRRegister(X86State::REG_RAX, RFLAG, 1, 8);
}
void OpDispatchBuilder::FLAGControlOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
enum class OpType {
Clear,
Set,
};
OpType Type;
uint64_t Flag;
switch (Op->OP) {
case 0xF5: {// CMC
uint32_t Bit = 1u << IndexNZCV(X86State::RFLAG_CF_RAW_LOC);
SetNZCV(_Xor(OpSize::i32Bit, GetNZCV(), _Constant(Bit)));
PossiblySetNZCVBits |= Bit;
return;
}
case 0xF8: // CLC
Flag= FEXCore::X86State::RFLAG_CF_RAW_LOC;
Type = OpType::Clear;
break;
case 0xF9: // STC
Flag= FEXCore::X86State::RFLAG_CF_RAW_LOC;
Type = OpType::Set;
break;
case 0xFC: // CLD
Flag= FEXCore::X86State::RFLAG_DF_LOC;
Type = OpType::Clear;
break;
case 0xFD: // STD
Flag= FEXCore::X86State::RFLAG_DF_LOC;
Type = OpType::Set;
break;
}
// AF would need special handling here. It doesn't matter.
LOGMAN_THROW_AA_FMT(Flag != FEXCore::X86State::RFLAG_AF_RAW_LOC,
"No AF complement instruction in x86");
OrderedNode *Result{};
switch (Type) {
case OpType::Clear: {
Result = _Constant(0);
break;
}
case OpType::Set: {
Result = _Constant(1);
break;
}
}
SetRFLAG(Result, Flag);
}
template<bool ToSeg>
void OpDispatchBuilder::MOVSegOp(OpcodeArgs) {
// In x86-64 mode the accesses to the segment registers end up being constant zero moves
// Aside from FS/GS
// In x86-64 mode the accesses to segment registers can actually still touch the segments
// These write to the selector portion of the register
//
// FS and GS are specially handled here though
// AMD documentation is /wrong/ in this regard
// AMD documentation claims that the MOV to SReg and POP SReg registers will load a 32bit
// value in to the HIDDEN portions of the FS and GS registers /OR/ ignored if a null selector is
// selected for the registers
// This statement is actually untrue, the instructions will /actually/ load 16bits in to the selector portion of the register!
// Tested on a Zen+ CPU, the selector is the portion that is modified!
// We don't currently support FS/GS selector modifying, so this needs to be asserted out
// The loads here also load the selector, NOT the base
if constexpr (ToSeg) {
OrderedNode *Src = LoadSource_WithOpSize(GPRClass, Op, Op->Src[0], 2, Op->Flags, -1);
switch (Op->Dest.Data.GPR.GPR) {
case FEXCore::X86State::REG_RAX: // ES
case FEXCore::X86State::REG_R8: // ES
_StoreContext(2, GPRClass, Src, offsetof(FEXCore::Core::CPUState, es_idx));
UpdatePrefixFromSegment(Src, FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX);
break;
case FEXCore::X86State::REG_RBX: // DS
case FEXCore::X86State::REG_R11: // DS
_StoreContext(2, GPRClass, Src, offsetof(FEXCore::Core::CPUState, ds_idx));
UpdatePrefixFromSegment(Src, FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX);
break;
case FEXCore::X86State::REG_RCX: // CS
case FEXCore::X86State::REG_R9: // CS
// CPL3 can't write to this
_Break(FEXCore::IR::BreakDefinition {
.ErrorRegister = 0,
.Signal = SIGILL,
.TrapNumber = 0,
.si_code = 0,
});
break;
case FEXCore::X86State::REG_RDX: // SS
case FEXCore::X86State::REG_R10: // SS
_StoreContext(2, GPRClass, Src, offsetof(FEXCore::Core::CPUState, ss_idx));
UpdatePrefixFromSegment(Src, FEXCore::X86Tables::DecodeFlags::FLAG_SS_PREFIX);
break;
case FEXCore::X86State::REG_RBP: // GS
case FEXCore::X86State::REG_R13: // GS
if (!CTX->Config.Is64BitMode) {
_StoreContext(2, GPRClass, Src, offsetof(FEXCore::Core::CPUState, gs_idx));
UpdatePrefixFromSegment(Src, FEXCore::X86Tables::DecodeFlags::FLAG_GS_PREFIX);
} else {
LogMan::Msg::EFmt("We don't support modifying GS selector in 64bit mode!");
DecodeFailure = true;
}
break;
case FEXCore::X86State::REG_RSP: // FS
case FEXCore::X86State::REG_R12: // FS
if (!CTX->Config.Is64BitMode) {
_StoreContext(2, GPRClass, Src, offsetof(FEXCore::Core::CPUState, fs_idx));
UpdatePrefixFromSegment(Src, FEXCore::X86Tables::DecodeFlags::FLAG_FS_PREFIX);
} else {
LogMan::Msg::EFmt("We don't support modifying FS selector in 64bit mode!");
DecodeFailure = true;
}
break;
default:
LogMan::Msg::EFmt("Unknown segment register: {}", Op->Dest.Data.GPR.GPR);
DecodeFailure = true;
break;
}
}
else {
OrderedNode *Segment{};
switch (Op->Src[0].Data.GPR.GPR) {
case FEXCore::X86State::REG_RAX: // ES
case FEXCore::X86State::REG_R8: // ES
Segment = _LoadContext(2, GPRClass, offsetof(FEXCore::Core::CPUState, es_idx));
break;
case FEXCore::X86State::REG_RBX: // DS
case FEXCore::X86State::REG_R11: // DS
Segment = _LoadContext(2, GPRClass, offsetof(FEXCore::Core::CPUState, ds_idx));
break;
case FEXCore::X86State::REG_RCX: // CS
case FEXCore::X86State::REG_R9: // CS
Segment = _LoadContext(2, GPRClass, offsetof(FEXCore::Core::CPUState, cs_idx));
break;
case FEXCore::X86State::REG_RDX: // SS
case FEXCore::X86State::REG_R10: // SS
Segment = _LoadContext(2, GPRClass, offsetof(FEXCore::Core::CPUState, ss_idx));
break;
case FEXCore::X86State::REG_RBP: // GS
case FEXCore::X86State::REG_R13: // GS
if (CTX->Config.Is64BitMode) {
Segment = _Constant(0);
}
else {
Segment = _LoadContext(2, GPRClass, offsetof(FEXCore::Core::CPUState, gs_idx));
}
break;
case FEXCore::X86State::REG_RSP: // FS
case FEXCore::X86State::REG_R12: // FS
if (CTX->Config.Is64BitMode) {
Segment = _Constant(0);
}
else {
Segment = _LoadContext(2, GPRClass, offsetof(FEXCore::Core::CPUState, fs_idx));
}
break;
default:
LogMan::Msg::EFmt("Unknown segment register: {}", Op->Dest.Data.GPR.GPR);
DecodeFailure = true;
return;
}
if (DestIsMem(Op)) {
// If the destination is memory then we always store 16-bits only
StoreResult_WithOpSize(GPRClass, Op, Op->Dest, Segment, 2, -1);
}
else {
// If the destination is a GPR then we follow register storing rules
StoreResult(GPRClass, Op, Segment, -1);
}
}
}
void OpDispatchBuilder::MOVOffsetOp(OpcodeArgs) {
OrderedNode *Src;
switch (Op->OP) {
case 0xA0:
case 0xA1:
// Source is memory(literal)
// Dest is GPR
Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1, true, true);
StoreResult(GPRClass, Op, Op->Dest, Src, -1);
break;
case 0xA2:
case 0xA3:
// Source is GPR
// Dest is memory(literal)
Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
// This one is a bit special since the destination is a literal
// So the destination gets stored in Src[1]
StoreResult(GPRClass, Op, Op->Src[1], Src, -1);
break;
}
}
void OpDispatchBuilder::CPUIDOp(OpcodeArgs) {
const auto GPRSize = CTX->GetGPRSize();
OrderedNode *Src = LoadSource_WithOpSize(GPRClass, Op, Op->Src[0], GPRSize, Op->Flags, -1);
OrderedNode *Leaf = LoadGPRRegister(X86State::REG_RCX);
auto Res = _CPUID(Src, Leaf);
OrderedNode *Result_Lower = _ExtractElementPair(OpSize::i64Bit, Res, 0);
OrderedNode *Result_Upper = _ExtractElementPair(OpSize::i64Bit, Res, 1);
StoreGPRRegister(X86State::REG_RAX, _Bfe(OpSize::i64Bit, 32, 0, Result_Lower));
StoreGPRRegister(X86State::REG_RBX, _Bfe(OpSize::i64Bit, 32, 32, Result_Lower));
StoreGPRRegister(X86State::REG_RDX, _Bfe(OpSize::i64Bit, 32, 32, Result_Upper));
StoreGPRRegister(X86State::REG_RCX, _Bfe(OpSize::i64Bit, 32, 0, Result_Upper));
}
void OpDispatchBuilder::XGetBVOp(OpcodeArgs) {
OrderedNode *Function = LoadGPRRegister(X86State::REG_RCX);
auto Res = _XGetBV(Function);
OrderedNode *Result_Lower = _ExtractElementPair(OpSize::i32Bit, Res, 0);
OrderedNode *Result_Upper = _ExtractElementPair(OpSize::i32Bit, Res, 1);
StoreGPRRegister(X86State::REG_RAX, Result_Lower);
StoreGPRRegister(X86State::REG_RDX, Result_Upper);
}
template<bool SHL1Bit>
void OpDispatchBuilder::SHLOp(OpcodeArgs) {
OrderedNode *Src{};
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
if constexpr (SHL1Bit) {
Src = _Constant(1);
}
else {
Src = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
}
const auto Size = GetSrcBitSize(Op);
OrderedNode *Result = _Lshl(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, Dest, Src);
StoreResult(GPRClass, Op, Result, -1);
if (Size < 32) {
Result = _Bfe(OpSize::i32Bit, Size, 0, Result);
}
if constexpr (SHL1Bit) {
GenerateFlags_ShiftLeftImmediate(Op, Result, Dest, 1);
}
else {
GenerateFlags_ShiftLeft(Op, Result, Dest, Src);
}
}
void OpDispatchBuilder::SHLImmediateOp(OpcodeArgs) {
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
LOGMAN_THROW_A_FMT(Op->Src[1].IsLiteral(), "Src1 needs to be literal here");
uint64_t Shift = Op->Src[1].Data.Literal.Value;
const auto Size = GetSrcBitSize(Op);
// x86 masks the shift by 0x3F or 0x1F depending on size of op
if (Size == 64) {
Shift &= 0x3F;
} else {
Shift &= 0x1F;
}
OrderedNode *Src = _Constant(Size, Shift);
OrderedNode *Result = _Lshl(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, Dest, Src);
StoreResult(GPRClass, Op, Result, -1);
if (Size < 32) {
Result = _Bfe(OpSize::i32Bit, Size, 0, Result);
}
GenerateFlags_ShiftLeftImmediate(Op, Result, Dest, Shift);
}
template<bool SHR1Bit>
void OpDispatchBuilder::SHROp(OpcodeArgs) {
OrderedNode *Src;
auto Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
if constexpr (SHR1Bit) {
Src = _Constant(1);
}
else {
Src = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
}
auto ALUOp = _Lshr(IR::SizeToOpSize(std::max<uint8_t>(4, GetSrcSize(Op))), Dest, Src);
StoreResult(GPRClass, Op, ALUOp, -1);
if constexpr (SHR1Bit) {
GenerateFlags_ShiftRightImmediate(Op, ALUOp, Dest, 1);
}
else {
GenerateFlags_ShiftRight(Op, ALUOp, Dest, Src);
}
}
void OpDispatchBuilder::SHRImmediateOp(OpcodeArgs) {
auto Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
LOGMAN_THROW_A_FMT(Op->Src[1].IsLiteral(), "Src1 needs to be literal here");
uint64_t Shift = Op->Src[1].Data.Literal.Value;
const auto Size = GetSrcBitSize(Op);
// x86 masks the shift by 0x3F or 0x1F depending on size of op
if (Size == 64) {
Shift &= 0x3F;
} else {
Shift &= 0x1F;
}
OrderedNode *Src = _Constant(Size, Shift);
auto ALUOp = _Lshr(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, Dest, Src);
StoreResult(GPRClass, Op, ALUOp, -1);
GenerateFlags_ShiftRightImmediate(Op, ALUOp, Dest, Shift);
}
void OpDispatchBuilder::SHLDOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
OrderedNode *Shift = LoadSource_WithOpSize(GPRClass, Op, Op->Src[1], 1, Op->Flags, -1);
const auto Size = GetSrcBitSize(Op);
// x86 masks the shift by 0x3F or 0x1F depending on size of op
if (Size == 64) {
Shift = _And(OpSize::i64Bit, Shift, _Constant(0x3F));
} else {
Shift = _And(OpSize::i64Bit, Shift, _Constant(0x1F));
}
auto ShiftRight = _Sub(OpSize::i64Bit, _Constant(Size), Shift);
auto Tmp1 = _Lshl(OpSize::i64Bit, Dest, Shift);
auto Tmp2 = _Lshr(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, Src, ShiftRight);
OrderedNode *Res = _Or(OpSize::i64Bit, Tmp1, Tmp2);
// If shift count was zero then output doesn't change
// Needs to be checked for the 32bit operand case
// where shift = 0 and the source register still gets Zext
Res = _Select(FEXCore::IR::COND_EQ,
Shift, _Constant(0),
Dest, Res);
StoreResult(GPRClass, Op, Res, -1);
auto CondJump = _CondJump(Shift, {COND_EQ});
auto CurrentBlock = GetCurrentBlock();
// Do nothing if shift count is zero
auto JumpTarget = CreateNewCodeBlockAfter(CurrentBlock);
SetFalseJumpTarget(CondJump, JumpTarget);
SetCurrentCodeBlock(JumpTarget);
StartNewBlock();
if (Size != 64) {
Res = _Bfe(OpSize::i64Bit, Size, 0, Res);
}
GenerateFlags_ShiftLeft(Op, Res, Dest, Shift);
// Calculate flags early.
CalculateDeferredFlags();
auto Jump = _Jump();
auto NextJumpTarget = CreateNewCodeBlockAfter(JumpTarget);
SetJumpTarget(Jump, NextJumpTarget);
SetTrueJumpTarget(CondJump, NextJumpTarget);
SetCurrentCodeBlock(NextJumpTarget);
StartNewBlock();
}
void OpDispatchBuilder::SHLDImmediateOp(OpcodeArgs) {
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
LOGMAN_THROW_A_FMT(Op->Src[1].IsLiteral(), "Src1 needs to be literal here");
uint64_t Shift = Op->Src[1].Data.Literal.Value;
const auto Size = GetSrcBitSize(Op);
// x86 masks the shift by 0x3F or 0x1F depending on size of op
if (Size == 64) {
Shift &= 0x3F;
} else {
Shift &= 0x1F;
}
if (Shift != 0) {
OrderedNode *Res{};
if (Size < 32) {
OrderedNode *ShiftLeft = _Constant(Shift);
auto ShiftRight = _Constant(Size - Shift);
auto Tmp1 = _Lshl(OpSize::i64Bit, Dest, ShiftLeft);
auto Tmp2 = _Lshr(OpSize::i32Bit, Src, ShiftRight);
Res = _Or(OpSize::i64Bit, Tmp1, Tmp2);
}
else {
// 32-bit and 64-bit SHLD behaves like an EXTR where the lower bits are filled from the source.
Res = _Extr(OpSizeFromSrc(Op), Dest, Src, Size - Shift);
}
StoreResult(GPRClass, Op, Res, -1);
GenerateFlags_ShiftLeftImmediate(Op, Res, Dest, Shift);
}
else if (Shift == 0 && Size == 32) {
// Ensure Zext still occurs
StoreResult(GPRClass, Op, Dest, -1);
}
}
void OpDispatchBuilder::SHRDOp(OpcodeArgs) {
// Calculate flags early.
// This instruction conditionally generates flags so we need to insure sane state going in.
CalculateDeferredFlags();
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
OrderedNode *Shift = LoadGPRRegister(X86State::REG_RCX);
const auto Size = GetDstBitSize(Op);
// x86 masks the shift by 0x3F or 0x1F depending on size of op
if (Size == 64) {
Shift = _And(OpSize::i64Bit, Shift, _Constant(0x3F));
} else {
Shift = _And(OpSize::i64Bit, Shift, _Constant(0x1F));
}
auto ShiftLeft = _Sub(OpSize::i64Bit, _Constant(Size), Shift);
auto Tmp1 = _Lshr(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, Dest, Shift);
auto Tmp2 = _Lshl(OpSize::i64Bit, Src, ShiftLeft);
OrderedNode *Res = _Or(OpSize::i64Bit, Tmp1, Tmp2);
// If shift count was zero then output doesn't change
// Needs to be checked for the 32bit operand case
// where shift = 0 and the source register still gets Zext
Res = _Select(FEXCore::IR::COND_EQ,
Shift, _Constant(0),
Dest, Res);
StoreResult(GPRClass, Op, Res, -1);
auto CondJump = _CondJump(Shift, {COND_EQ});
// Do not change flags if shift count is zero
auto JumpTarget = CreateNewCodeBlockAfter(GetCurrentBlock());
SetFalseJumpTarget(CondJump, JumpTarget);
SetCurrentCodeBlock(JumpTarget);
StartNewBlock();
if (Size != 64) {
Res = _Bfe(OpSize::i64Bit, Size, 0, Res);
}
GenerateFlags_ShiftRight(Op, Res, Dest, Shift);
// Calculate deferred flags immediately.
// This block is ending so it needs to serialize
CalculateDeferredFlags();
auto Jump = _Jump();
auto NextJumpTarget = CreateNewCodeBlockAfter(JumpTarget);
SetJumpTarget(Jump, NextJumpTarget);
SetTrueJumpTarget(CondJump, NextJumpTarget);
SetCurrentCodeBlock(NextJumpTarget);
StartNewBlock();
}
void OpDispatchBuilder::SHRDImmediateOp(OpcodeArgs) {
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
LOGMAN_THROW_A_FMT(Op->Src[1].IsLiteral(), "Src1 needs to be literal here");
uint64_t Shift = Op->Src[1].Data.Literal.Value;
const auto Size = GetSrcBitSize(Op);
// x86 masks the shift by 0x3F or 0x1F depending on size of op
if (Size == 64) {
Shift &= 0x3F;
} else {
Shift &= 0x1F;
}
if (Shift != 0) {
OrderedNode *Res{};
if (Size < 32) {
OrderedNode *ShiftRight = _Constant(Shift);
auto ShiftLeft = _Constant(Size - Shift);
auto Tmp1 = _Lshr(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, Dest, ShiftRight);
auto Tmp2 = _Lshl(OpSize::i64Bit, Src, ShiftLeft);
Res = _Or(OpSize::i64Bit, Tmp1, Tmp2);
}
else {
// 32-bit and 64-bit SHRD behaves like an EXTR where the upper bits are filled from the source.
Res = _Extr(OpSizeFromSrc(Op), Src, Dest, Shift);
}
StoreResult(GPRClass, Op, Res, -1);
GenerateFlags_ShiftRightDoubleImmediate(Op, Res, Dest, Shift);
}
else if (Shift == 0 && Size == 32) {
// Ensure Zext still occurs
StoreResult(GPRClass, Op, Dest, -1);
}
}
template<bool SHR1Bit>
void OpDispatchBuilder::ASHROp(OpcodeArgs) {
OrderedNode *Src;
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
const auto Size = GetSrcBitSize(Op);
if constexpr (SHR1Bit) {
Src = _Constant(Size, 1);
} else {
Src = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
}
if (Size < 32) {
Dest = _Sbfe(OpSize::i64Bit, Size, 0, Dest);
}
OrderedNode *Result = _Ashr(IR::SizeToOpSize(std::max<uint8_t>(4, GetSrcSize(Op))), Dest, Src);
StoreResult(GPRClass, Op, Result, -1);
if constexpr (SHR1Bit) {
GenerateFlags_SignShiftRightImmediate(Op, Result, Dest, 1);
} else {
GenerateFlags_SignShiftRight(Op, Result, Dest, Src);
}
}
void OpDispatchBuilder::ASHRImmediateOp(OpcodeArgs) {
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
LOGMAN_THROW_A_FMT(Op->Src[1].IsLiteral(), "Src1 needs to be literal here");
uint64_t Shift = Op->Src[1].Data.Literal.Value;
const auto Size = GetSrcBitSize(Op);
// x86 masks the shift by 0x3F or 0x1F depending on size of op
if (Size == 64) {
Shift &= 0x3F;
} else {
Shift &= 0x1F;
}
if (Size < 32) {
Dest = _Sbfe(OpSize::i64Bit, Size, 0, Dest);
}
OrderedNode *Src = _Constant(Size, Shift);
OrderedNode *Result = _Ashr(IR::SizeToOpSize(std::max<uint8_t>(4, GetOpSize(Dest))), Dest, Src);
StoreResult(GPRClass, Op, Result, -1);
GenerateFlags_SignShiftRightImmediate(Op, Result, Dest, Shift);
}
template<bool Is1Bit>
void OpDispatchBuilder::ROROp(OpcodeArgs) {
OrderedNode *Src;
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
const uint32_t Size = GetSrcBitSize(Op);
if constexpr (Is1Bit) {
Src = _Constant(std::max(32U, Size), 1);
} else {
Src = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
}
// x86 masks the shift by 0x3F or 0x1F depending on size of op
if (Size == 64) {
Src = _And(OpSize::i64Bit, Src, _Constant(Size, 0x3F));
} else {
Src = _And(OpSize::i32Bit, Src, _Constant(Size, 0x1F));
}
if (Size < 32) {
// ARM doesn't support 8/16bit rotates. Emulate with an insert
// StoreResult truncates back to a 8/16 bit value
Dest = _Bfi(OpSize::i32Bit, Size, Size, Dest, Dest);
if (Size == 8 && !Is1Bit) {
// And because the shift size isn't masked to 8 bits, we need to fill the
// the full 32bits to get the correct result.
Dest = _Bfi(OpSize::i32Bit, 16, 16, Dest, Dest);
}
}
auto ALUOp = _Ror(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, Dest, Src);
StoreResult(GPRClass, Op, ALUOp, -1);
if constexpr (Is1Bit) {
GenerateFlags_RotateRightImmediate(Op, ALUOp, Dest, 1);
} else {
GenerateFlags_RotateRight(Op, ALUOp, Dest, Src);
}
}
void OpDispatchBuilder::RORImmediateOp(OpcodeArgs) {
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
LOGMAN_THROW_A_FMT(Op->Src[1].IsLiteral(), "Src1 needs to be literal here");
uint64_t Shift = Op->Src[1].Data.Literal.Value;
const uint32_t Size = GetSrcBitSize(Op);
// x86 masks the shift by 0x3F or 0x1F depending on size of op
if (Size == 64) {
Shift &= 0x3F;
} else {
Shift &= 0x1F;
}
OrderedNode *Src = _Constant(std::max(32U, Size), Shift);
if (Size < 32) {
// ARM doesn't support 8/16bit rotates. Emulate with an insert
// StoreResult truncates back to a 8/16 bit value
Dest = _Bfi(OpSize::i32Bit, Size, Size, Dest, Dest);
if (Size == 8 && Shift > 8) {
// And because the shift size isn't masked to 8 bits, we need to fill the
// the full 32bits to get the correct result.
Dest = _Bfi(OpSize::i32Bit, 16, 16, Dest, Dest);
}
}
auto ALUOp = _Ror(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, Dest, Src);
StoreResult(GPRClass, Op, ALUOp, -1);
GenerateFlags_RotateRightImmediate(Op, ALUOp, Dest, Shift);
}
template<bool Is1Bit>
void OpDispatchBuilder::ROLOp(OpcodeArgs) {
OrderedNode *Src;
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
const uint32_t Size = GetSrcBitSize(Op);
// Need to negate the shift so we can use ROR instead
if constexpr (Is1Bit) {
Src = _Constant(Size, 1);
} else {
Src = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
}
// x86 masks the shift by 0x3F or 0x1F depending on size of op
if (Size == 64) {
Src = _And(OpSize::i64Bit, Src, _Constant(Size, 0x3F));
} else {
Src = _And(OpSize::i32Bit, Src, _Constant(Size, 0x1F));
}
if (Size < 32) {
// ARM doesn't support 8/16bit rotates. Emulate with an insert
// StoreResult truncates back to a 8/16 bit value
Dest = _Bfi(OpSize::i32Bit, Size, Size, Dest, Dest);
if (Size == 8) {
// And because the shift size isn't masked to 8 bits, we need to fill the
// the full 32bits to get the correct result.
Dest = _Bfi(OpSize::i32Bit, 16, 16, Dest, Dest);
}
}
auto ALUOp = _Ror(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit,
Dest,
_Sub(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, _Constant(Size, std::max(32U, Size)), Src));
StoreResult(GPRClass, Op, ALUOp, -1);
if constexpr (Is1Bit) {
GenerateFlags_RotateLeftImmediate(Op, ALUOp, Dest, 1);
} else {
GenerateFlags_RotateLeft(Op, ALUOp, Dest, Src);
}
}
void OpDispatchBuilder::ROLImmediateOp(OpcodeArgs) {
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
LOGMAN_THROW_A_FMT(Op->Src[1].IsLiteral(), "Src1 needs to be literal here");
uint64_t Shift = Op->Src[1].Data.Literal.Value;
const uint32_t Size = GetSrcBitSize(Op);
// x86 masks the shift by 0x3F or 0x1F depending on size of op
if (Size == 64) {
Shift &= 0x3F;
} else {
Shift &= 0x1F;
}
// We also negate the shift so we can emulate Rol with Ror.
const auto NegatedShift = std::max(32U, Size) - Shift;
OrderedNode *Src = _Constant(Size, NegatedShift);
if (Size < 32) {
// ARM doesn't support 8/16bit rotates. Emulate with an insert
// StoreResult truncates back to a 8/16 bit value
Dest = _Bfi(OpSize::i32Bit, Size, Size, Dest, Dest);
if (Size == 8) {
// And because the shift size isn't masked to 8 bits, we need to fill the
// the full 32bits to get the correct result.
Dest = _Bfi(OpSize::i32Bit, 16, 16, Dest, Dest);
}
}
auto ALUOp = _Ror(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, Dest, Src);
StoreResult(GPRClass, Op, ALUOp, -1);
GenerateFlags_RotateLeftImmediate(Op, ALUOp, Dest, Shift);
}
void OpDispatchBuilder::ANDNBMIOp(OpcodeArgs) {
auto* Src1 = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto* Src2 = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
auto Dest = _Andn(OpSizeFromSrc(Op), Src2, Src1);
StoreResult(GPRClass, Op, Dest, -1);
GenerateFlags_Logical(Op, Dest, Src1, Src2);
}
void OpDispatchBuilder::BEXTRBMIOp(OpcodeArgs) {
// Essentially (Src1 >> Start) & ((1 << Length) - 1)
// along with some edge-case handling and flag setting.
auto* Src1 = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto* Src2 = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
const auto Size = GetSrcSize(Op);
const auto SrcSize = Size * 8;
const auto MaxSrcBit = SrcSize - 1;
auto MaxSrcBitOp = _Constant(SrcSize, MaxSrcBit);
// Shift the operand down to the starting bit
auto Start = _Bfe(OpSizeFromSrc(Op), 8, 0, Src2);
auto Shifted = _Lshr(IR::SizeToOpSize(Size), Src1, Start);
// Shifts larger than operand size need to be set to zero.
auto SanitizedShifted = _Select(IR::COND_ULE,
Start, MaxSrcBitOp,
Shifted, _Constant(SrcSize, 0));
// Now handle the length specifier.
auto Length = _Bfe(OpSizeFromSrc(Op), 8, 8, Src2);
auto SanitizedLength = _Select(IR::COND_ULE,
Length, MaxSrcBitOp,
Length, MaxSrcBitOp);
// Now build up the mask
// (1 << SanitizedLength) - 1
auto One = _Constant(SrcSize, 1);
auto Mask = _Sub(IR::SizeToOpSize(Size), _Lshl(IR::SizeToOpSize(Size), One, SanitizedLength), One);
// Now put it all together and make the result.
auto Dest = _And(IR::SizeToOpSize(Size), SanitizedShifted, Mask);
// Finally store the result.
StoreResult(GPRClass, Op, Dest, -1);
GenerateFlags_BEXTR(Op, Dest);
}
void OpDispatchBuilder::BLSIBMIOp(OpcodeArgs) {
// Equivalent to performing: SRC & -SRC
auto* Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto NegatedSrc = _Neg(OpSizeFromSrc(Op), Src);
auto Result = _And(OpSizeFromSrc(Op), Src, NegatedSrc);
// ...and we're done. Painless!
StoreResult(GPRClass, Op, Result, -1);
GenerateFlags_BLSI(Op, Result);
}
void OpDispatchBuilder::BLSMSKBMIOp(OpcodeArgs) {
// Equivalent to: (Src - 1) ^ Src
auto One = _Constant(1);
auto* Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto Result = _Xor(OpSize::i64Bit, _Sub(OpSize::i64Bit, Src, One), Src);
StoreResult(GPRClass, Op, Result, -1);
GenerateFlags_BLSMSK(Op, Src);
}
void OpDispatchBuilder::BLSRBMIOp(OpcodeArgs) {
// Equivalent to: (Src - 1) & Src
auto One = _Constant(1);
auto* Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto Result = _And(OpSize::i64Bit, _Sub(OpSize::i64Bit, Src, One), Src);
StoreResult(GPRClass, Op, Result, -1);
GenerateFlags_BLSR(Op, Result, Src);
}
// Handles SARX, SHLX, and SHRX
void OpDispatchBuilder::BMI2Shift(OpcodeArgs) {
// In the event the source is a memory operand, use the
// exact width instead of the GPR size.
const auto GPRSize = CTX->GetGPRSize();
const auto Size = GetSrcSize(Op);
const auto SrcSize = Op->Src[0].IsGPR() ? GPRSize : Size;
auto* Src = LoadSource_WithOpSize(GPRClass, Op, Op->Src[0], SrcSize, Op->Flags, -1);
auto* Shift = LoadSource_WithOpSize(GPRClass, Op, Op->Src[1], GPRSize, Op->Flags, -1);
auto* Result = [&]() -> OrderedNode* {
// SARX
if (Op->OP == 0x6F7) {
return _Ashr(IR::SizeToOpSize(Size), Src, Shift);
}
// SHLX
if (Op->OP == 0x5F7) {
return _Lshl(IR::SizeToOpSize(Size), Src, Shift);
}
// SHRX
return _Lshr(IR::SizeToOpSize(Size), Src, Shift);
}();
StoreResult(GPRClass, Op, Result, -1);
}
void OpDispatchBuilder::BZHI(OpcodeArgs) {
const auto Size = GetSrcSize(Op);
const auto OperandSize = Size * 8;
auto* Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto* Index = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
// Mask off the index so we only consider the lower byte.
auto MaskedIndex = _And(OpSize::i64Bit, Index, _Constant(0xFF));
// Now clear the high bits specified by the index.
auto NegOne = _Constant(OperandSize, -1);
auto Mask = _Lshl(IR::SizeToOpSize(Size), NegOne, MaskedIndex);
auto MaskResult = _Andn(IR::SizeToOpSize(Size), Src, Mask);
// If the index is above OperandSize, we don't clear anything.
auto Bounds = _Constant(OperandSize - 1);
auto Result = _Select(IR::COND_UGT,
MaskedIndex, Bounds,
Src, MaskResult);
StoreResult(GPRClass, Op, Result, -1);
GenerateFlags_BZHI(Op, Result, MaskedIndex);
}
void OpDispatchBuilder::RORX(OpcodeArgs) {
LOGMAN_THROW_A_FMT(Op->Src[1].IsLiteral(), "Src[1] needs to be literal here");
const auto Amount = Op->Src[1].Data.Literal.Value;
const auto SrcSize = GetSrcSize(Op);
const auto SrcSizeBits = SrcSize * 8;
const auto GPRSize = CTX->GetGPRSize();
const auto DoRotation = Amount != 0 && Amount < SrcSizeBits;
const auto IsSameGPR = Op->Src[0].IsGPR() && Op->Dest.IsGPR() &&
Op->Src[0].Data.GPR.GPR == Op->Dest.Data.GPR.GPR;
const auto SrcSizeIsGPRSize = SrcSize == GPRSize;
// If we don't need to rotate and our source is the same as the destination
// then we don't need to do anything at all. We still need to be careful,
// since 32-bit operations on 64-bit mode still need to zero-extend the
// destination register. So also compare source size and GPR size.
//
// Very unlikely, but hey, we can do nothing faster.
if (!DoRotation && IsSameGPR && SrcSizeIsGPRSize) [[unlikely]] {
return;
}
auto* Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1, true, false,
MemoryAccessType::ACCESS_DEFAULT, true);
auto* Result = Src;
if (DoRotation) [[likely]] {
Result = _Ror(OpSizeFromSrc(Op), Src, _Constant(Amount));
}
StoreResult(GPRClass, Op, Result, -1);
}
void OpDispatchBuilder::MULX(OpcodeArgs) {
// RDX is the implied source operand in the instruction
const auto OperandSize = GetSrcSize(Op);
const auto OpSize = IR::SizeToOpSize(OperandSize);
// Src1 can be a memory operand, so ensure we constrain to the
// absolute width of the access in that scenario.
const auto GPRSize = CTX->GetGPRSize();
const auto Src1Size = Op->Src[1].IsGPR() ? GPRSize : OperandSize;
OrderedNode* Src1 = LoadSource_WithOpSize(GPRClass, Op, Op->Src[1], Src1Size, Op->Flags, -1);
OrderedNode* Src2 = LoadGPRRegister(X86State::REG_RDX, GPRSize);
// As per the Intel Software Development Manual, if the destination and
// first operand correspond to the same register, then the result
// will be the high half of the multiplication result.
if (Op->Dest.Data.GPR.GPR == Op->Src[0].Data.GPR.GPR) {
OrderedNode* ResultHi = _UMulH(OpSize, Src1, Src2);
StoreResult(GPRClass, Op, Op->Dest, ResultHi, -1);
} else {
OrderedNode* ResultLo = _UMul(OpSize, Src1, Src2);
OrderedNode* ResultHi = _UMulH(OpSize, Src1, Src2);
StoreResult(GPRClass, Op, Op->Src[0], ResultLo, -1);
StoreResult(GPRClass, Op, Op->Dest, ResultHi, -1);
}
}
void OpDispatchBuilder::PDEP(OpcodeArgs) {
auto* Input = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto* Mask = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
auto Result = _PDep(OpSizeFromSrc(Op), Input, Mask);
StoreResult(GPRClass, Op, Op->Dest, Result, -1);
}
void OpDispatchBuilder::PEXT(OpcodeArgs) {
auto* Input = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto* Mask = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
auto Result = _PExt(OpSizeFromSrc(Op), Input, Mask);
StoreResult(GPRClass, Op, Op->Dest, Result, -1);
}
void OpDispatchBuilder::ADXOp(OpcodeArgs) {
const auto OpSize = OpSizeFromSrc(Op);
// Calculate flags early.
CalculateDeferredFlags();
// Handles ADCX and ADOX
const bool IsADCX = Op->OP == 0x1F6;
auto* Flag = [&]() -> OrderedNode* {
if (IsADCX) {
return GetRFLAG(X86State::RFLAG_CF_RAW_LOC);
} else {
return GetRFLAG(X86State::RFLAG_OF_RAW_LOC);
}
}();
auto* Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto* Before = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
auto ALUOp = _Add(OpSize, Src, Flag);
auto Result = _Add(OpSize, Before, ALUOp);
StoreResult(GPRClass, Op, Result, -1);
auto Zero = _Constant(0);
auto One = _Constant(1);
auto SelectOpLT = _Select(IR::COND_ULT, Result, Src, One, Zero);
auto SelectOpLE = _Select(IR::COND_ULE, Result, Src, One, Zero);
auto SelectFlag = _Select(IR::COND_EQ, Flag, One, SelectOpLE, SelectOpLT);
if (IsADCX) {
SetRFLAG<X86State::RFLAG_CF_RAW_LOC>(SelectFlag);
} else {
SetRFLAG<X86State::RFLAG_OF_RAW_LOC>(SelectFlag);
}
}
void OpDispatchBuilder::RCROp1Bit(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
const auto Size = GetSrcBitSize(Op);
auto CF = GetRFLAG(FEXCore::X86State::RFLAG_CF_RAW_LOC);
uint32_t Shift = 1;
if (Size == 32 || Size == 64) {
// Rotate and insert CF in the upper bit
auto Res = _Extr(OpSizeFromSrc(Op), CF, Dest, Shift);
// Our new CF will be bit (Shift - 1) of the source
auto NewCF = _Bfe(OpSizeFromSrc(Op), 1, Shift - 1, Dest);
StoreResult(GPRClass, Op, Res, -1);
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(NewCF);
if (Shift == 1) {
// OF is the top two MSBs XOR'd together
SetRFLAG<FEXCore::X86State::RFLAG_OF_RAW_LOC>(_Xor(OpSizeFromSrc(Op), _Bfe(OpSizeFromSrc(Op), 1, Size - 1, Res), _Bfe(OpSizeFromSrc(Op), 1, Size - 2, Res)));
}
}
else {
// Res = Src >> Shift
OrderedNode *Res = _Bfe(OpSize::i32Bit, Size - Shift, Shift, Dest);
// inject the CF
Res = _Or(OpSize::i32Bit, Res, _Lshl(OpSize::i32Bit, CF, _Constant(Size, Size - Shift)));
StoreResult(GPRClass, Op, Res, -1);
// CF only changes if we actually shifted
// Our new CF will be bit (Shift - 1) of the source
auto NewCF = _Bfe(OpSize::i32Bit, 1, Shift - 1, Dest);
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(NewCF);
// OF is the top two MSBs XOR'd together
// Only when Shift == 1, it is undefined otherwise
SetRFLAG<FEXCore::X86State::RFLAG_OF_RAW_LOC>(_Xor(OpSize::i32Bit, _Bfe(OpSize::i32Bit, 1, Size - 1, Res), _Bfe(OpSize::i32Bit, 1, Size - 2, Res)));
}
}
void OpDispatchBuilder::RCROp8x1Bit(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
const auto SizeBit = GetSrcBitSize(Op);
auto CF = GetRFLAG(FEXCore::X86State::RFLAG_CF_RAW_LOC);
uint32_t Shift = 1;
// Our new CF will be bit (Shift - 1) of the source
auto NewCF = _Bfe(OpSize::i32Bit, 1, Shift - 1, Dest);
// Rotate and insert CF in the upper bit
OrderedNode *Res = _Bfe(OpSize::i32Bit, 7, 1, Dest);
Res = _Bfi(OpSize::i32Bit, 1, 7, Res, CF);
StoreResult(GPRClass, Op, Res, -1);
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(NewCF);
if (Shift == 1) {
// OF is the top two MSBs XOR'd together
SetRFLAG<FEXCore::X86State::RFLAG_OF_RAW_LOC>(_Xor(OpSize::i32Bit, _Bfe(OpSize::i32Bit, 1, SizeBit - 1, Res), _Bfe(OpSize::i32Bit, 1, SizeBit - 2, Res)));
}
}
void OpDispatchBuilder::RCROp(OpcodeArgs) {
const auto Size = GetSrcBitSize(Op);
if (Size == 8 || Size == 16) {
RCRSmallerOp(Op);
return;
}
const auto OpSize = OpSizeFromSrc(Op);
// Calculate flags early.
CalculateDeferredFlags();
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
auto CF = GetRFLAG(FEXCore::X86State::RFLAG_CF_RAW_LOC);
// Res = Src >> Shift
OrderedNode *Res = _Lshr(OpSize, Dest, Src);
// Res |= (Src << (Size - Shift + 1));
OrderedNode *SrcShl = _Sub(OpSize, _Constant(Size, Size + 1), Src);
auto TmpHigher = _Lshl(OpSize, Dest, SrcShl);
auto One = _Constant(Size, 1);
auto Zero = _Constant(Size, 0);
auto CompareResult = _Select(FEXCore::IR::COND_UGT,
Src, One,
TmpHigher, Zero);
Res = _Or(OpSize, Res, CompareResult);
// If Shift != 0 then we can inject the CF
OrderedNode *CFShl = _Sub(OpSize, _Constant(Size, Size), Src);
auto TmpCF = _Lshl(OpSize::i64Bit, CF, CFShl);
CompareResult = _Select(FEXCore::IR::COND_UGE,
Src, One,
TmpCF, Zero);
Res = _Or(OpSize, Res, CompareResult);
StoreResult(GPRClass, Op, Res, -1);
// CF only changes if we actually shifted
// Our new CF will be bit (Shift - 1) of the source
auto NewCF = _Bfe(OpSize, 1, 0, _Lshr(OpSize, Dest, _Sub(OpSize, Src, One)));
CompareResult = _Select(FEXCore::IR::COND_UGE,
Src, One,
NewCF, CF);
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(CompareResult);
// OF is the top two MSBs XOR'd together
// Only when Shift == 1, it is undefined otherwise
// Only changed if shift isn't zero
auto OF = GetRFLAG(FEXCore::X86State::RFLAG_OF_RAW_LOC);
auto NewOF = _Xor(OpSize, _Bfe(OpSize, 1, Size - 1, Res), _Bfe(OpSize, 1, Size - 2, Res));
CompareResult = _Select(FEXCore::IR::COND_EQ,
Src, _Constant(0),
OF, NewOF);
SetRFLAG<FEXCore::X86State::RFLAG_OF_RAW_LOC>(CompareResult);
}
void OpDispatchBuilder::RCRSmallerOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
auto CF = GetRFLAG(FEXCore::X86State::RFLAG_CF_RAW_LOC);
const auto Size = GetSrcBitSize(Op);
// x86 masks the shift by 0x3F or 0x1F depending on size of op
Src = _And(OpSize::i32Bit, Src, _Constant(Size, 0x1F));
OrderedNode *Tmp{};
// Insert the incoming value across the temporary 64bit source
// Make sure to insert at <BitSize> + 1 offsets
// We need to cover 32bits plus the amount that could rotate in
if (Size == 8) {
// 8-bit optimal cascade
// Cascade: 0
// Data: -> [7:0]
// CF: -> [8:8]
// Cascade: 1
// Data: -> [16:9]
// CF: -> [17:17]
// Cascade: 2
// Data: -> [25:18]
// CF: -> [26:26]
// Cascade: 3
// Data: -> [34:27]
// CF: -> [35:35]
// Cascade: 4
// Data: -> [43:36]
// CF: -> [44:44]
// Insert CF, Destination already at [7:0]
Tmp = _Bfi(OpSize::i64Bit, 1, 8, Dest, CF);
// First Cascade, copies 9 bits from itself.
Tmp = _Bfi(OpSize::i64Bit, 9, 9, Tmp, Tmp);
// Second cascade, copies 18 bits from itself.
Tmp = _Bfi(OpSize::i64Bit, 18, 18, Tmp, Tmp);
// Final cascade, copies 9 bits again from itself.
Tmp = _Bfi(OpSize::i64Bit, 9, 36, Tmp, Tmp);
}
else {
// 16-bit optimal cascade
// Cascade: 0
// Data: -> [15:0]
// CF: -> [16:16]
// Cascade: 1
// Data: -> [32:17]
// CF: -> [33:33]
// Cascade: 2
// Data: -> [49:34]
// CF: -> [50:50]
// Insert CF, Destination already at [15:0]
Tmp = _Bfi(OpSize::i64Bit, 1, 16, Dest, CF);
// First Cascade, copies 17 bits from itself.
Tmp = _Bfi(OpSize::i64Bit, 17, 17, Tmp, Tmp);
// Final Cascade, copies 17 bits from itself again.
Tmp = _Bfi(OpSize::i64Bit, 17, 34, Tmp, Tmp);
}
// Entire bitfield has been setup
// Just extract the 8 or 16bits we need
OrderedNode *Res = _Lshr(OpSize::i64Bit, Tmp, Src);
StoreResult(GPRClass, Op, Res, -1);
// CF only changes if we actually shifted
// Our new CF will be bit (Shift - 1) of the source
auto One = _Constant(Size, 1);
auto NewCF = _Bfe(OpSize::i64Bit, 1, 0, _Lshr(OpSize::i64Bit, Tmp, _Sub(OpSize::i32Bit, Src, One)));
auto CompareResult = _Select(FEXCore::IR::COND_UGE,
Src, One,
NewCF, CF);
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(CompareResult);
// OF is the top two MSBs XOR'd together
// Only when Shift == 1, it is undefined otherwise
// Make it easier, just store it regardless
auto NewOF = _Xor(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Res))), _Bfe(OpSize::i64Bit, 1, Size - 1, Res), _Bfe(OpSize::i64Bit, 1, Size - 2, Res));
SetRFLAG<FEXCore::X86State::RFLAG_OF_RAW_LOC>(NewOF);
}
void OpDispatchBuilder::RCLOp1Bit(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
const auto Size = GetSrcBitSize(Op);
const auto OpSize = Size == 64 ? OpSize::i64Bit : OpSize::i32Bit;
auto CF = GetRFLAG(FEXCore::X86State::RFLAG_CF_RAW_LOC);
uint32_t Shift = 1;
// Our new CF will be the top bit of the source
auto NewCF = _Bfe(OpSize, 1, Size - 1, Dest);
// Rotate left and insert CF in to lowest bit
OrderedNode *Res = _Lshl(OpSize, Dest, _Constant(Size, 1));
Res = _Or(OpSize, Res, CF);
StoreResult(GPRClass, Op, Res, -1);
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(NewCF);
if (Shift == 1) {
// OF is the top two MSBs XOR'd together
// Top two MSBs is CF and top bit of result
SetRFLAG<FEXCore::X86State::RFLAG_OF_RAW_LOC>(_Xor(OpSize::i32Bit, _Bfe(OpSize, 1, Size - 1, Res), NewCF));
}
}
void OpDispatchBuilder::RCLOp(OpcodeArgs) {
const auto Size = GetSrcBitSize(Op);
if (Size == 8 || Size == 16) {
RCLSmallerOp(Op);
return;
}
const auto OpSize = OpSizeFromSrc(Op);
// Calculate flags early.
CalculateDeferredFlags();
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
auto CF = GetRFLAG(FEXCore::X86State::RFLAG_CF_RAW_LOC);
// Res = Src << Shift
OrderedNode *Res = _Lshl(OpSize, Dest, Src);
// Res |= (Src << (Size - Shift + 1));
OrderedNode *SrcShl = _Sub(OpSize, _Constant(Size, Size + 1), Src);
auto TmpHigher = _Lshr(OpSize, Dest, SrcShl);
auto One = _Constant(Size, 1);
auto Zero = _Constant(Size, 0);
auto CompareResult = _Select(FEXCore::IR::COND_UGT,
Src, One,
TmpHigher, Zero);
Res = _Or(OpSize, Res, CompareResult);
// If Shift != 0 then we can inject the CF
OrderedNode *CFShl = _Sub(OpSize, Src, _Constant(Size, 1));
auto TmpCF = _Lshl(OpSize::i64Bit, CF, CFShl);
CompareResult = _Select(FEXCore::IR::COND_UGE,
Src, One,
TmpCF, Zero);
Res = _Or(OpSize, Res, CompareResult);
StoreResult(GPRClass, Op, Res, -1);
{
// CF only changes if we actually shifted
// Our new CF will be bit (Shift - 1) of the source
auto NewCF = _Bfe(OpSize, 1, 0, _Lshr(OpSize, Dest, _Sub(OpSize, _Constant(Size, Size), Src)));
CompareResult = _Select(FEXCore::IR::COND_UGE,
Src, One,
NewCF, CF);
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(CompareResult);
// OF is the top two MSBs XOR'd together
// Only when Shift == 1, it is undefined otherwise
// Only changed if shift isn't zero
auto OF = GetRFLAG(FEXCore::X86State::RFLAG_OF_RAW_LOC);
auto NewOF = _Xor(OpSize, _Bfe(OpSize, 1, Size - 1, Res), NewCF);
CompareResult = _Select(FEXCore::IR::COND_EQ,
Src, _Constant(0),
OF, NewOF);
SetRFLAG<FEXCore::X86State::RFLAG_OF_RAW_LOC>(CompareResult);
}
}
void OpDispatchBuilder::RCLSmallerOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
auto CF = GetRFLAG(FEXCore::X86State::RFLAG_CF_RAW_LOC);
const auto Size = GetSrcBitSize(Op);
// x86 masks the shift by 0x3F or 0x1F depending on size of op
Src = _And(OpSize::i32Bit, Src, _Constant(Size, 0x1F));
OrderedNode *Tmp = _Constant(64, 0);
for (size_t i = 0; i < (32 + Size + 1); i += (Size + 1)) {
// Insert incoming value
Tmp = _Bfi(OpSize::i64Bit, Size, 63 - i - Size, Tmp, Dest);
// Insert CF
Tmp = _Bfi(OpSize::i64Bit, 1, 63 - i, Tmp, CF);
}
// Insert incoming value
Tmp = _Bfi(OpSize::i64Bit, Size, 0, Tmp, Dest);
// The data is now set up like this
// [Data][CF]:[Data][CF]:[Data][CF]:[Data][CF]
// Shift 1 more bit that expected to get our result
// Shifting to the right will now behave like a rotate to the left
// Which we emulate with a _Ror
OrderedNode *Res = _Ror(OpSize::i64Bit, Tmp, _Sub(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, _Constant(Size, 64), Src));
StoreResult(GPRClass, Op, Res, -1);
{
// Our new CF is now at the bit position that we are shifting
// Either 0 if CF hasn't changed (CF is living in bit 0)
// or higher
auto NewCF = _Bfe(OpSize::i64Bit, 1, 0, _Ror(OpSize::i64Bit, Tmp, _Sub(OpSize::i64Bit, _Constant(63), Src)));
auto CompareResult = _Select(FEXCore::IR::COND_UGE,
Src, _Constant(1),
NewCF, CF);
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(CompareResult);
// OF is only defined for 1 bit shifts
// To make it easy, just always store a result
// OF is the XOR of the NewCF and the MSB of the result
// Only changed if shift isn't zero
auto OF = GetRFLAG(FEXCore::X86State::RFLAG_OF_RAW_LOC);
auto NewOF = _Xor(OpSize::i64Bit, _Bfe(OpSize::i64Bit, 1, Size - 1, Res), NewCF);
CompareResult = _Select(FEXCore::IR::COND_EQ,
Src, _Constant(0),
OF, NewOF);
SetRFLAG<FEXCore::X86State::RFLAG_OF_RAW_LOC>(CompareResult);
}
}
template<uint32_t SrcIndex>
void OpDispatchBuilder::BTOp(OpcodeArgs) {
OrderedNode *Result;
OrderedNode *Src{};
bool AlreadyMasked{};
const uint32_t Size = GetDstBitSize(Op);
const uint32_t Mask = Size - 1;
// Deferred flags are invalidated now
InvalidateDeferredFlags();
if (Op->Src[SrcIndex].IsGPR()) {
Src = LoadSource(GPRClass, Op, Op->Src[SrcIndex], Op->Flags, -1);
} else {
// Can only be an immediate
// Masked by operand size
Src = _Constant(Size, Op->Src[SrcIndex].Data.Literal.Value & Mask);
AlreadyMasked = true;
}
if (Op->Dest.IsGPR()) {
// When the destination is a GPR, we don't care about garbage in the upper bits.
// Load the full register.
auto Dest = LoadSource_WithOpSize(GPRClass, Op, Op->Dest, CTX->GetGPRSize(), Op->Flags, -1);
OrderedNode *BitSelect{};
if (AlreadyMasked) {
BitSelect = Src;
} else {
OrderedNode *SizeMask = _Constant(Mask);
// Get the bit selection from the src
BitSelect = _And(OpSize::i64Bit, Src, SizeMask);
}
Result = _Lshr(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Dest))), Dest, BitSelect);
} else {
// Load the address to the memory location
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
Dest = AppendSegmentOffset(Dest, Op->Flags);
// Get the bit selection from the src
OrderedNode *BitSelect = _Bfe(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Src))), 3, 0, Src);
// Address is provided as bits we want BYTE offsets
// Extract Signed offset
Src = _Sbfe(OpSize::i64Bit, Size - 3, 3, Src);
// Get the address offset by shifting out the size of the op (To shift out the bit selection)
// Then use that to index in to the memory location by size of op
// Now add the addresses together and load the memory
OrderedNode *MemoryLocation = _Add(OpSize::i64Bit, Dest, Src);
Result = _LoadMemAutoTSO(GPRClass, 1, MemoryLocation, 1);
// Now shift in to the correct bit location
Result = _Lshr(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Result))), Result, BitSelect);
}
// OF/SF/ZF/AF/PF undefined.
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(_Bfe(IR::SizeToOpSize(GetOpSize(Result)), 1, 0, Result));
}
template<uint32_t SrcIndex>
void OpDispatchBuilder::BTROp(OpcodeArgs) {
OrderedNode *Result;
OrderedNode *Src{};
bool AlreadyMasked{};
const uint32_t Size = GetDstBitSize(Op);
const uint32_t Mask = Size - 1;
// Deferred flags are invalidated now
InvalidateDeferredFlags();
if (Op->Src[SrcIndex].IsGPR()) {
Src = LoadSource(GPRClass, Op, Op->Src[SrcIndex], Op->Flags, -1);
} else {
// Can only be an immediate
// Masked by operand size
Src = _Constant(Size, Op->Src[SrcIndex].Data.Literal.Value & Mask);
AlreadyMasked = true;
}
if (Op->Dest.IsGPR()) {
// When the destination is a GPR, we don't care about garbage in the upper bits.
// Load the full register.
auto Dest = LoadSource_WithOpSize(GPRClass, Op, Op->Dest, CTX->GetGPRSize(), Op->Flags, -1);
OrderedNode *BitSelect{};
if (AlreadyMasked) {
BitSelect = Src;
} else {
OrderedNode *SizeMask = _Constant(Mask);
// Get the bit selection from the src
BitSelect = _And(OpSize::i64Bit, Src, SizeMask);
}
Result = _Lshr(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Dest))), Dest, BitSelect);
OrderedNode *BitMask = _Lshl(OpSize::i64Bit, _Constant(1), BitSelect);
Dest = _Andn(OpSize::i64Bit, Dest, BitMask);
StoreResult(GPRClass, Op, Dest, -1);
} else {
// Load the address to the memory location
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
Dest = AppendSegmentOffset(Dest, Op->Flags);
// Get the bit selection from the src
OrderedNode *BitSelect = _Bfe(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Src))), 3, 0, Src);
// Address is provided as bits we want BYTE offsets
// Extract Signed offset
Src = _Sbfe(OpSize::i64Bit, Size - 3, 3, Src);
// Get the address offset by shifting out the size of the op (To shift out the bit selection)
// Then use that to index in to the memory location by size of op
// Now add the addresses together and load the memory
OrderedNode *MemoryLocation = _Add(OpSize::i64Bit, Dest, Src);
OrderedNode *BitMask = _Lshl(OpSize::i64Bit, _Constant(1), BitSelect);
if (DestIsLockedMem(Op)) {
HandledLock = true;
// We don't current support this IR op though
Result = _AtomicFetchCLR(OpSize::i8Bit, BitMask, MemoryLocation);
// Now shift in to the correct bit location
Result = _Lshr(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Result))), Result, BitSelect);
} else {
OrderedNode *Value = _LoadMemAutoTSO(GPRClass, 1, MemoryLocation, 1);
// Now shift in to the correct bit location
Result = _Lshr(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Value))), Value, BitSelect);
Value = _Andn(OpSize::i64Bit, Value, BitMask);
_StoreMemAutoTSO(GPRClass, 1, MemoryLocation, Value, 1);
}
}
// OF/SF/ZF/AF/PF undefined.
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(_Bfe(IR::SizeToOpSize(GetOpSize(Result)), 1, 0, Result));
}
template<uint32_t SrcIndex>
void OpDispatchBuilder::BTSOp(OpcodeArgs) {
OrderedNode *Result;
OrderedNode *Src{};
bool AlreadyMasked{};
const uint32_t Size = GetDstBitSize(Op);
const uint32_t Mask = Size - 1;
// Deferred flags are invalidated now
InvalidateDeferredFlags();
if (Op->Src[SrcIndex].IsGPR()) {
Src = LoadSource(GPRClass, Op, Op->Src[SrcIndex], Op->Flags, -1);
} else {
// Can only be an immediate
// Masked by operand size
Src = _Constant(Size, Op->Src[SrcIndex].Data.Literal.Value & Mask);
AlreadyMasked = true;
}
if (Op->Dest.IsGPR()) {
// When the destination is a GPR, we don't care about garbage in the upper bits.
// Load the full register.
auto Dest = LoadSource_WithOpSize(GPRClass, Op, Op->Dest, CTX->GetGPRSize(), Op->Flags, -1);
OrderedNode *BitSelect{};
if (AlreadyMasked) {
BitSelect = Src;
} else {
OrderedNode *SizeMask = _Constant(Mask);
// Get the bit selection from the src
BitSelect = _And(OpSize::i64Bit, Src, SizeMask);
}
Result = _Lshr(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Dest))), Dest, BitSelect);
OrderedNode *BitMask = _Lshl(OpSize::i64Bit, _Constant(1), BitSelect);
Dest = _Or(OpSize::i64Bit, Dest, BitMask);
StoreResult(GPRClass, Op, Dest, -1);
} else {
// Load the address to the memory location
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
Dest = AppendSegmentOffset(Dest, Op->Flags);
// Get the bit selection from the src
OrderedNode *BitSelect = _Bfe(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Src))), 3, 0, Src);
// Address is provided as bits we want BYTE offsets
// Extract Signed offset
Src = _Sbfe(OpSize::i64Bit, Size - 3, 3, Src);
// Get the address offset by shifting out the size of the op (To shift out the bit selection)
// Then use that to index in to the memory location by size of op
// Now add the addresses together and load the memory
OrderedNode *MemoryLocation = _Add(OpSize::i64Bit, Dest, Src);
OrderedNode *BitMask = _Lshl(OpSize::i64Bit, _Constant(1), BitSelect);
if (DestIsLockedMem(Op)) {
HandledLock = true;
Result = _AtomicFetchOr(OpSize::i8Bit, BitMask, MemoryLocation);
// Now shift in to the correct bit location
Result = _Lshr(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Result))), Result, BitSelect);
} else {
OrderedNode *Value = _LoadMemAutoTSO(GPRClass, 1, MemoryLocation, 1);
// Now shift in to the correct bit location
Result = _Lshr(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Value))), Value, BitSelect);
Value = _Or(OpSize::i64Bit, Value, BitMask);
_StoreMemAutoTSO(GPRClass, 1, MemoryLocation, Value, 1);
}
}
// OF/SF/ZF/AF/PF undefined.
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(_Bfe(IR::SizeToOpSize(GetOpSize(Result)), 1, 0, Result));
}
template<uint32_t SrcIndex>
void OpDispatchBuilder::BTCOp(OpcodeArgs) {
OrderedNode *Result;
OrderedNode *Src{};
bool AlreadyMasked{};
const uint32_t Size = GetDstBitSize(Op);
const uint32_t Mask = Size - 1;
// Deferred flags are invalidated now
InvalidateDeferredFlags();
if (Op->Src[SrcIndex].IsGPR()) {
Src = LoadSource(GPRClass, Op, Op->Src[SrcIndex], Op->Flags, -1);
} else {
// Can only be an immediate
// Masked by operand size
Src = _Constant(Size, Op->Src[SrcIndex].Data.Literal.Value & Mask);
AlreadyMasked = true;
}
if (Op->Dest.IsGPR()) {
// When the destination is a GPR, we don't care about garbage in the upper bits.
// Load the full register.
auto Dest = LoadSource_WithOpSize(GPRClass, Op, Op->Dest, CTX->GetGPRSize(), Op->Flags, -1);
OrderedNode *BitSelect{};
if (AlreadyMasked) {
BitSelect = Src;
} else {
OrderedNode *SizeMask = _Constant(Mask);
// Get the bit selection from the src
BitSelect = _And(OpSize::i64Bit, Src, SizeMask);
}
Result = _Lshr(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Dest))), Dest, BitSelect);
OrderedNode *BitMask = _Lshl(OpSize::i64Bit, _Constant(1), BitSelect);
Dest = _Xor(OpSize::i64Bit, Dest, BitMask);
StoreResult(GPRClass, Op, Dest, -1);
} else {
// Load the address to the memory location
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
Dest = AppendSegmentOffset(Dest, Op->Flags);
// Get the bit selection from the src
OrderedNode *BitSelect = _Bfe(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Src))), 3, 0, Src);
// Address is provided as bits we want BYTE offsets
// Extract Signed offset
Src = _Sbfe(OpSize::i64Bit, Size - 3, 3, Src);
// Get the address offset by shifting out the size of the op (To shift out the bit selection)
// Then use that to index in to the memory location by size of op
// Now add the addresses together and load the memory
OrderedNode *MemoryLocation = _Add(OpSize::i64Bit, Dest, Src);
OrderedNode *BitMask = _Lshl(OpSize::i64Bit, _Constant(1), BitSelect);
if (DestIsLockedMem(Op)) {
HandledLock = true;
Result = _AtomicFetchXor(OpSize::i8Bit, BitMask, MemoryLocation);
// Now shift in to the correct bit location
Result = _Lshr(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Result))), Result, BitSelect);
} else {
OrderedNode *Value = _LoadMemAutoTSO(GPRClass, 1, MemoryLocation, 1);
// Now shift in to the correct bit location
Result = _Lshr(IR::SizeToOpSize(std::max<uint8_t>(4u, GetOpSize(Value))), Value, BitSelect);
Value = _Xor(OpSize::i64Bit, Value, BitMask);
_StoreMemAutoTSO(GPRClass, 1, MemoryLocation, Value, 1);
}
}
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(_Bfe(IR::SizeToOpSize(GetOpSize(Result)), 1, 0, Result));
}
void OpDispatchBuilder::IMUL1SrcOp(OpcodeArgs) {
OrderedNode *Src1 = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
OrderedNode *Src2 = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
uint8_t Size = GetSrcSize(Op);
if (Size != 8) {
Src1 = _Sbfe(OpSize::i64Bit, Size * 8, 0, Src1);
Src2 = _Sbfe(OpSize::i64Bit, Size * 8, 0, Src2);
}
auto Dest = _Mul(OpSize::i64Bit, Src1, Src2);
OrderedNode *ResultHigh{};
if (Size < 8) {
ResultHigh = _Sbfe(OpSize::i64Bit, Size * 8, Size * 8, Dest);
}
else {
ResultHigh = _MulH(OpSize::i64Bit, Src1, Src2);
}
StoreResult(GPRClass, Op, Dest, -1);
GenerateFlags_MUL(Op, Dest, ResultHigh);
}
void OpDispatchBuilder::IMUL2SrcOp(OpcodeArgs) {
OrderedNode *Src1 = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
OrderedNode *Src2 = LoadSource(GPRClass, Op, Op->Src[1], Op->Flags, -1);
uint8_t Size = GetSrcSize(Op);
if (Size != 8) {
Src1 = _Sbfe(OpSize::i64Bit, Size * 8, 0, Src1);
Src2 = _Sbfe(OpSize::i64Bit, Size * 8, 0, Src2);
}
auto Dest = _Mul(OpSize::i64Bit, Src1, Src2);
OrderedNode *ResultHigh{};
if (Size < 8) {
ResultHigh = _Sbfe(OpSize::i64Bit, Size * 8, Size * 8, Dest);
}
else {
ResultHigh = _MulH(OpSize::i64Bit, Src1, Src2);
}
StoreResult(GPRClass, Op, Dest, -1);
GenerateFlags_MUL(Op, Dest, ResultHigh);
}
void OpDispatchBuilder::IMULOp(OpcodeArgs) {
const uint8_t Size = GetSrcSize(Op);
OrderedNode *Src1 = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
OrderedNode* Src2 = LoadGPRRegister(X86State::REG_RAX);
if (Size != 8) {
Src1 = _Sbfe(OpSize::i64Bit, Size * 8, 0, Src1);
Src2 = _Sbfe(OpSize::i64Bit, Size * 8, 0, Src2);
}
OrderedNode *Result = _Mul(OpSize::i64Bit, Src1, Src2);
OrderedNode *ResultHigh{};
if (Size == 1) {
// Result is stored in AX
StoreGPRRegister(X86State::REG_RAX, Result, 2);
ResultHigh = _Sbfe(OpSize::i64Bit, 8, 8, Result);
}
else if (Size == 2) {
// 16bits stored in AX
// 16bits stored in DX
StoreGPRRegister(X86State::REG_RAX, Result, Size);
ResultHigh = _Sbfe(OpSize::i64Bit, 16, 16, Result);
StoreGPRRegister(X86State::REG_RDX, ResultHigh, Size);
}
else if (Size == 4) {
// 32bits stored in EAX
// 32bits stored in EDX
// Make sure they get Zext correctly
auto LocalResult = _Bfe(OpSize::i64Bit, 32, 0, Result);
auto LocalResultHigh = _Bfe(OpSize::i64Bit, 32, 32, Result);
ResultHigh = _Sbfe(OpSize::i64Bit, 32, 32, Result);
Result = _Sbfe(OpSize::i64Bit, 32, 0, Result);
StoreGPRRegister(X86State::REG_RAX, LocalResult);
StoreGPRRegister(X86State::REG_RDX, LocalResultHigh);
}
else if (Size == 8) {
if (!CTX->Config.Is64BitMode) {
LogMan::Msg::EFmt("Doesn't exist in 32bit mode");
DecodeFailure = true;
return;
}
// 64bits stored in RAX
// 64bits stored in RDX
ResultHigh = _MulH(OpSize::i64Bit, Src1, Src2);
StoreGPRRegister(X86State::REG_RAX, Result);
StoreGPRRegister(X86State::REG_RDX, ResultHigh);
}
GenerateFlags_MUL(Op, Result, ResultHigh);
}
void OpDispatchBuilder::MULOp(OpcodeArgs) {
const uint8_t Size = GetSrcSize(Op);
OrderedNode *Src1 = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
OrderedNode* Src2 = LoadGPRRegister(X86State::REG_RAX);
if (Size != 8) {
Src1 = _Bfe(OpSize::i64Bit, Size * 8, 0, Src1);
Src2 = _Bfe(OpSize::i64Bit, Size * 8, 0, Src2);
}
OrderedNode *Result = _UMul(OpSize::i64Bit, Src1, Src2);
OrderedNode *ResultHigh{};
if (Size == 1) {
// Result is stored in AX
StoreGPRRegister(X86State::REG_RAX, Result, 2);
ResultHigh = _Bfe(OpSize::i64Bit, 8, 8, Result);
}
else if (Size == 2) {
// 16bits stored in AX
// 16bits stored in DX
StoreGPRRegister(X86State::REG_RAX, Result, Size);
ResultHigh = _Bfe(OpSize::i64Bit, 16, 16, Result);
StoreGPRRegister(X86State::REG_RDX, ResultHigh, Size);
}
else if (Size == 4) {
// 32bits stored in EAX
// 32bits stored in EDX
OrderedNode *ResultLow = _Bfe(OpSize::i64Bit, 32, 0, Result);
ResultHigh = _Bfe(OpSize::i64Bit, 32, 32, Result);
StoreGPRRegister(X86State::REG_RAX, ResultLow);
StoreGPRRegister(X86State::REG_RDX, ResultHigh);
}
else if (Size == 8) {
if (!CTX->Config.Is64BitMode) {
LogMan::Msg::EFmt("Doesn't exist in 32bit mode");
DecodeFailure = true;
return;
}
// 64bits stored in RAX
// 64bits stored in RDX
ResultHigh = _UMulH(OpSize::i64Bit, Src1, Src2);
StoreGPRRegister(X86State::REG_RAX, Result);
StoreGPRRegister(X86State::REG_RDX, ResultHigh);
}
GenerateFlags_UMUL(Op, ResultHigh);
}
void OpDispatchBuilder::NOTOp(OpcodeArgs) {
uint8_t Size = GetSrcSize(Op);
OrderedNode *MaskConst{};
if (Size == 8) {
MaskConst = _Constant(~0ULL);
}
else {
MaskConst = _Constant((1ULL << (Size * 8)) - 1);
}
if (DestIsLockedMem(Op)) {
HandledLock = true;
OrderedNode *DestMem = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
DestMem = AppendSegmentOffset(DestMem, Op->Flags);
_AtomicXor(IR::SizeToOpSize(Size), MaskConst, DestMem);
}
else {
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
Src = _Xor(OpSize::i64Bit, Src, MaskConst);
StoreResult(GPRClass, Op, Src, -1);
}
}
void OpDispatchBuilder::XADDOp(OpcodeArgs) {
OrderedNode *Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
OrderedNode *Result;
const auto Size = GetSrcBitSize(Op);
const auto OpSize = Size == 64 ? OpSize::i64Bit : OpSize::i32Bit;
if (Op->Dest.IsGPR()) {
// If this is a GPR then we can just do an Add
Result = _Add(OpSize, Dest, Src);
// Previous value in dest gets stored in src
StoreResult(GPRClass, Op, Op->Src[0], Dest, -1);
// Calculated value gets stored in dst (order is important if dst is same as src)
StoreResult(GPRClass, Op, Result, -1);
GenerateFlags_ADD(Op, Result, Dest, Src);
}
else {
HandledLock = Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_LOCK;
Dest = AppendSegmentOffset(Dest, Op->Flags);
auto Before = _AtomicFetchAdd(OpSizeFromSrc(Op), Src, Dest);
StoreResult(GPRClass, Op, Op->Src[0], Before, -1);
Result = _Add(OpSize, Before, Src); // Seperate result just for flags
GenerateFlags_ADD(Op, Result, Before, Src);
}
}
void OpDispatchBuilder::PopcountOp(OpcodeArgs) {
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
Src = _Popcount(OpSizeFromSrc(Op), Src);
StoreResult(GPRClass, Op, Src, -1);
GenerateFlags_POPCOUNT(Op, Src);
}
void OpDispatchBuilder::DAAOp(OpcodeArgs) {
CalculateDeferredFlags();
auto CF = GetRFLAG(FEXCore::X86State::RFLAG_CF_RAW_LOC);
auto AF = LoadAF();
auto AL = LoadGPRRegister(X86State::REG_RAX, 1);
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(_Constant(0));
CalculateDeferredFlags();
auto Cond = _Or(OpSize::i64Bit, AF, _Select(FEXCore::IR::COND_UGT, _And(OpSize::i64Bit, AL, _Constant(0xF)), _Constant(9), _Constant(1), _Constant(0)));
auto FalseBlock = CreateNewCodeBlockAfter(GetCurrentBlock());
auto TrueBlock = CreateNewCodeBlockAfter(FalseBlock);
auto EndBlock = CreateNewCodeBlockAfter(TrueBlock);
CalculateDeferredFlags();
_CondJump(Cond, TrueBlock, FalseBlock);
SetCurrentCodeBlock(FalseBlock);
StartNewBlock();
{
SetAF(0);
_Jump(EndBlock);
}
SetCurrentCodeBlock(TrueBlock);
StartNewBlock();
{
auto NewAL = _Add(OpSize::i64Bit, AL, _Constant(0x6));
StoreGPRRegister(X86State::REG_RAX, NewAL, 1);
CalculateDeferredFlags();
auto NewCF = GetRFLAG(FEXCore::X86State::RFLAG_CF_RAW_LOC);
// XXX: I don't think this is correct. Needs Investigation.
// The `CF` variable is the original CF from the start of the operation
// The `NewCF` will be _Constant(0) stored aboved.
// So Or(CF, _Constant(0)) ill mean CF gets updated to the old value in the true case?
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(_Or(OpSize::i64Bit, CF, NewCF));
SetAF(1);
CalculateDeferredFlags();
_Jump(EndBlock);
}
SetCurrentCodeBlock(EndBlock);
StartNewBlock();
Cond = _Or(OpSize::i64Bit, CF, _Select(FEXCore::IR::COND_UGT, AL, _Constant(0x99), _Constant(1), _Constant(0)));
FalseBlock = CreateNewCodeBlockAfter(GetCurrentBlock());
TrueBlock = CreateNewCodeBlockAfter(FalseBlock);
EndBlock = CreateNewCodeBlockAfter(TrueBlock);
_CondJump(Cond, TrueBlock, FalseBlock);
SetCurrentCodeBlock(FalseBlock);
StartNewBlock();
{
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(_Constant(0));
CalculateDeferredFlags();
_Jump(EndBlock);
}
SetCurrentCodeBlock(TrueBlock);
StartNewBlock();
{
AL = LoadGPRRegister(X86State::REG_RAX, 1);
auto NewAL = _Add(OpSize::i64Bit, AL, _Constant(0x60));
StoreGPRRegister(X86State::REG_RAX, NewAL, 1);
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(_Constant(1));
CalculateDeferredFlags();
_Jump(EndBlock);
}
SetCurrentCodeBlock(EndBlock);
StartNewBlock();
// Update Flags
AL = LoadGPRRegister(X86State::REG_RAX, 1);
SetRFLAG<FEXCore::X86State::RFLAG_SF_RAW_LOC>(_Select(FEXCore::IR::COND_UGE, _And(OpSize::i64Bit, AL, _Constant(0x80)), _Constant(0), _Constant(1), _Constant(0)));
SetRFLAG<FEXCore::X86State::RFLAG_ZF_RAW_LOC>(_Select(FEXCore::IR::COND_EQ, _And(OpSize::i64Bit, AL, _Constant(0xFF)), _Constant(0), _Constant(1), _Constant(0)));
CalculatePF(AL);
FixupAF();
}
void OpDispatchBuilder::DASOp(OpcodeArgs) {
CalculateDeferredFlags();
auto CF = GetRFLAG(FEXCore::X86State::RFLAG_CF_RAW_LOC);
auto AF = LoadAF();
auto AL = LoadGPRRegister(X86State::REG_RAX, 1);
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(_Constant(0));
CalculateDeferredFlags();
auto Cond = _Or(OpSize::i64Bit, AF, _Select(FEXCore::IR::COND_UGT, _And(OpSize::i64Bit, AL, _Constant(0xf)), _Constant(9), _Constant(1), _Constant(0)));
auto FalseBlock = CreateNewCodeBlockAfter(GetCurrentBlock());
auto TrueBlock = CreateNewCodeBlockAfter(FalseBlock);
auto EndBlock = CreateNewCodeBlockAfter(TrueBlock);
CalculateDeferredFlags();
_CondJump(Cond, TrueBlock, FalseBlock);
SetCurrentCodeBlock(FalseBlock);
StartNewBlock();
{
SetAF(0);
_Jump(EndBlock);
}
SetCurrentCodeBlock(TrueBlock);
StartNewBlock();
{
auto NewAL = _Sub(OpSize::i64Bit, AL, _Constant(0x6));
StoreGPRRegister(X86State::REG_RAX, NewAL, 1);
CalculateDeferredFlags();
auto NewCF = GetRFLAG(FEXCore::X86State::RFLAG_CF_RAW_LOC);
// XXX: I don't think this is correct. Needs Investigation.
// The `CF` variable is the original CF from the start of the operation
// The `NewCF` will be _Constant(0) stored aboved.
// So Or(CF, _Constant(0)) ill mean CF gets updated to the old value in the true case?
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(_Or(OpSize::i64Bit, CF, NewCF));
SetAF(1);
CalculateDeferredFlags();
_Jump(EndBlock);
}
SetCurrentCodeBlock(EndBlock);
StartNewBlock();
Cond = _Or(OpSize::i64Bit, CF, _Select(FEXCore::IR::COND_UGT, AL, _Constant(0x99), _Constant(1), _Constant(0)));
FalseBlock = CreateNewCodeBlockAfter(GetCurrentBlock());
TrueBlock = CreateNewCodeBlockAfter(FalseBlock);
EndBlock = CreateNewCodeBlockAfter(TrueBlock);
_CondJump(Cond, TrueBlock, FalseBlock);
SetCurrentCodeBlock(FalseBlock);
StartNewBlock();
{
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(_Constant(0));
CalculateDeferredFlags();
_Jump(EndBlock);
}
SetCurrentCodeBlock(TrueBlock);
StartNewBlock();
{
AL = LoadGPRRegister(X86State::REG_RAX, 1);
auto NewAL = _Sub(OpSize::i64Bit, AL, _Constant(0x60));
StoreGPRRegister(X86State::REG_RAX, NewAL, 1);
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(_Constant(1));
CalculateDeferredFlags();
_Jump(EndBlock);
}
SetCurrentCodeBlock(EndBlock);
StartNewBlock();
// Update Flags
AL = LoadGPRRegister(X86State::REG_RAX, 1);
SetRFLAG<FEXCore::X86State::RFLAG_SF_RAW_LOC>(_Select(FEXCore::IR::COND_UGE, _And(OpSize::i64Bit, AL, _Constant(0x80)), _Constant(0), _Constant(1), _Constant(0)));
SetRFLAG<FEXCore::X86State::RFLAG_ZF_RAW_LOC>(_Select(FEXCore::IR::COND_EQ, _And(OpSize::i64Bit, AL, _Constant(0xFF)), _Constant(0), _Constant(1), _Constant(0)));
CalculatePF(AL);
FixupAF();
}
void OpDispatchBuilder::AAAOp(OpcodeArgs) {
InvalidateDeferredFlags();
auto AF = LoadAF();
auto AL = LoadGPRRegister(X86State::REG_RAX, 1);
auto AX = LoadGPRRegister(X86State::REG_RAX, 2);
auto Cond = _Or(OpSize::i64Bit, AF, _Select(FEXCore::IR::COND_UGT, _And(OpSize::i64Bit, AL, _Constant(0xF)), _Constant(9), _Constant(1), _Constant(0)));
auto FalseBlock = CreateNewCodeBlockAfter(GetCurrentBlock());
auto TrueBlock = CreateNewCodeBlockAfter(FalseBlock);
auto EndBlock = CreateNewCodeBlockAfter(TrueBlock);
_CondJump(Cond, TrueBlock, FalseBlock);
SetCurrentCodeBlock(FalseBlock);
StartNewBlock();
{
auto NewAX = _And(OpSize::i64Bit, AX, _Constant(0xFF0F));
StoreGPRRegister(X86State::REG_RAX, NewAX, 2);
ZeroNZCV();
SetAF(0);
CalculateDeferredFlags();
_Jump(EndBlock);
}
SetCurrentCodeBlock(TrueBlock);
StartNewBlock();
{
auto NewAX = _Add(OpSize::i64Bit, AX, _Constant(0x106));
auto Result = _And(OpSize::i64Bit, NewAX, _Constant(0xFF0F));
StoreGPRRegister(X86State::REG_RAX, Result, 2);
ZeroNZCV();
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(_Constant(1));
SetAF(1);
CalculateDeferredFlags();
_Jump(EndBlock);
}
SetCurrentCodeBlock(EndBlock);
StartNewBlock();
}
void OpDispatchBuilder::AASOp(OpcodeArgs) {
InvalidateDeferredFlags();
auto AF = LoadAF();
auto AL = LoadGPRRegister(X86State::REG_RAX, 1);
auto AX = LoadGPRRegister(X86State::REG_RAX, 2);
auto Cond = _Or(OpSize::i64Bit, AF, _Select(FEXCore::IR::COND_UGT, _And(OpSize::i64Bit, AL, _Constant(0xF)), _Constant(9), _Constant(1), _Constant(0)));
auto FalseBlock = CreateNewCodeBlockAfter(GetCurrentBlock());
auto TrueBlock = CreateNewCodeBlockAfter(FalseBlock);
auto EndBlock = CreateNewCodeBlockAfter(TrueBlock);
_CondJump(Cond, TrueBlock, FalseBlock);
SetCurrentCodeBlock(FalseBlock);
StartNewBlock();
{
auto NewAX = _And(OpSize::i64Bit, AX, _Constant(0xFF0F));
StoreGPRRegister(X86State::REG_RAX, NewAX, 2);
ZeroNZCV();
SetAF(0);
CalculateDeferredFlags();
_Jump(EndBlock);
}
SetCurrentCodeBlock(TrueBlock);
StartNewBlock();
{
auto NewAX = _Sub(OpSize::i64Bit, AX, _Constant(6));
NewAX = _Sub(OpSize::i64Bit, NewAX, _Constant(0x100));
auto Result = _And(OpSize::i64Bit, NewAX, _Constant(0xFF0F));
StoreGPRRegister(X86State::REG_RAX, Result, 2);
ZeroNZCV();
SetRFLAG<FEXCore::X86State::RFLAG_CF_RAW_LOC>(_Constant(1));
SetAF(1);
CalculateDeferredFlags();
_Jump(EndBlock);
}
SetCurrentCodeBlock(EndBlock);
StartNewBlock();
}
void OpDispatchBuilder::AAMOp(OpcodeArgs) {
InvalidateDeferredFlags();
auto AL = LoadGPRRegister(X86State::REG_RAX, 1);
auto Imm8 = _Constant(Op->Src[0].Data.Literal.Value & 0xFF);
auto UDivOp = _UDiv(OpSize::i64Bit, AL, Imm8);
auto URemOp = _URem(OpSize::i64Bit, AL, Imm8);
auto AH = _Lshl(OpSize::i64Bit, UDivOp, _Constant(8));
auto AX = _Add(OpSize::i64Bit, AH, URemOp);
StoreGPRRegister(X86State::REG_RAX, AX, 2);
// Update Flags
AL = LoadGPRRegister(X86State::REG_RAX, 1);
SetNZ_ZeroCV(1, AL);
CalculatePF(AL);
_InvalidateFlags(1u << X86State::RFLAG_AF_RAW_LOC);
}
void OpDispatchBuilder::AADOp(OpcodeArgs) {
InvalidateDeferredFlags();
auto AL = LoadGPRRegister(X86State::REG_RAX, 1);
auto AH = _Lshr(OpSize::i32Bit, LoadGPRRegister(X86State::REG_RAX, 2), _Constant(8));
auto Imm8 = _Constant(Op->Src[0].Data.Literal.Value & 0xFF);
auto NewAL = _Add(OpSize::i64Bit, AL, _Mul(OpSize::i64Bit, AH, Imm8));
auto Result = _And(OpSize::i64Bit, NewAL, _Constant(0xFF));
StoreGPRRegister(X86State::REG_RAX, Result, 2);
// Update Flags
AL = LoadGPRRegister(X86State::REG_RAX, 1);
SetNZ_ZeroCV(1, AL);
CalculatePF(AL);
_InvalidateFlags(1u << X86State::RFLAG_AF_RAW_LOC);
}
void OpDispatchBuilder::XLATOp(OpcodeArgs) {
OrderedNode *Src = LoadGPRRegister(X86State::REG_RBX);
OrderedNode *Offset = LoadGPRRegister(X86State::REG_RAX, 1);
Src = AppendSegmentOffset(Src, Op->Flags, FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX);
Src = _Add(OpSize::i64Bit, Src, Offset);
auto Res = _LoadMemAutoTSO(GPRClass, 1, Src, 1);
StoreGPRRegister(X86State::REG_RAX, Res, 1);
}
template<OpDispatchBuilder::Segment Seg>
void OpDispatchBuilder::ReadSegmentReg(OpcodeArgs) {
// 64-bit only
// Doesn't hit the segment register optimization
auto Size = GetSrcSize(Op);
OrderedNode *Src{};
if constexpr (Seg == Segment::FS) {
Src = _LoadContext(Size, GPRClass, offsetof(FEXCore::Core::CPUState, fs_cached));
}
else {
Src = _LoadContext(Size, GPRClass, offsetof(FEXCore::Core::CPUState, gs_cached));
}
StoreResult(GPRClass, Op, Src, -1);
}
template<OpDispatchBuilder::Segment Seg>
void OpDispatchBuilder::WriteSegmentReg(OpcodeArgs) {
// Documentation claims that the 32-bit version of this instruction inserts in to the lower 32-bits of the segment
// This is incorrect and it instead zero extends the 32-bit value to 64-bit
auto Size = GetDstSize(Op);
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
if constexpr (Seg == Segment::FS) {
_StoreContext(Size, GPRClass, Src, offsetof(FEXCore::Core::CPUState, fs_cached));
}
else {
_StoreContext(Size, GPRClass, Src, offsetof(FEXCore::Core::CPUState, gs_cached));
}
}
void OpDispatchBuilder::EnterOp(OpcodeArgs) {
const uint8_t GPRSize = CTX->GetGPRSize();
LOGMAN_THROW_A_FMT(Op->Src[0].IsLiteral(), "Src1 needs to be literal here");
const uint64_t Value = Op->Src[0].Data.Literal.Value;
const uint16_t AllocSpace = Value & 0xFFFF;
const uint8_t Level = (Value >> 16) & 0x1F;
const auto PushValue = [&](uint8_t Size, OrderedNode *Src) -> OrderedNode* {
const uint8_t GPRSize = CTX->GetGPRSize();
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
auto NewSP = _Push(GPRSize, Size, Src, OldSP);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
return NewSP;
};
auto OldBP = LoadGPRRegister(X86State::REG_RBP);
auto NewSP = PushValue(GPRSize, OldBP);
auto temp_RBP = NewSP;
if (Level > 0) {
for (uint8_t i = 1; i < Level; ++i) {
auto Offset = _Constant(i * GPRSize);
auto MemLoc = _Sub(IR::SizeToOpSize(GPRSize), OldBP, Offset);
auto Mem = _LoadMem(GPRClass, GPRSize, MemLoc, GPRSize);
NewSP = PushValue(GPRSize, Mem);
}
NewSP = PushValue(GPRSize, temp_RBP);
}
NewSP = _Sub(IR::SizeToOpSize(GPRSize), NewSP, _Constant(AllocSpace));
StoreGPRRegister(X86State::REG_RSP, NewSP);
StoreGPRRegister(X86State::REG_RBP, temp_RBP);
}
void OpDispatchBuilder::SGDTOp(OpcodeArgs) {
auto DestAddress = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
// Store an emulated value in the format of:
// uint16_t Limit;
// {uint32_t,uint64_t} Base;
//
// Limit is always 0
// Base is always in kernel space at: 0xFFFFFFFFFFFE0000ULL
//
// Operand size prefix is ignored on this instruction, size purely depends on operating mode.
uint64_t GDTAddress = 0xFFFFFFFFFFFE0000ULL;
size_t GDTStoreSize = 8;
if (!CTX->Config.Is64BitMode) {
// Mask off upper bits if 32-bit result.
GDTAddress &= ~0U;
GDTStoreSize = 4;
}
_StoreMemAutoTSO(GPRClass, 2, DestAddress, _Constant(0));
_StoreMemAutoTSO(GPRClass, GDTStoreSize, _Add(OpSize::i64Bit, DestAddress, _Constant(2)), _Constant(GDTAddress));
}
void OpDispatchBuilder::RDTSCOp(OpcodeArgs) {
auto Counter = _CycleCounter();
auto CounterLow = _Bfe(OpSize::i64Bit, 32, 0, Counter);
auto CounterHigh = _Bfe(OpSize::i64Bit, 32, 32, Counter);
StoreGPRRegister(X86State::REG_RAX, CounterLow);
StoreGPRRegister(X86State::REG_RDX, CounterHigh);
}
void OpDispatchBuilder::INCOp(OpcodeArgs) {
if (Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_REP_PREFIX) {
LogMan::Msg::EFmt("Can't handle REP on this");
DecodeFailure = true;
return;
}
OrderedNode *Dest;
OrderedNode *Result;
const auto Size = GetSrcBitSize(Op);
auto OneConst = _Constant(Size, 1);
const bool IsLocked = DestIsLockedMem(Op);
if (IsLocked) {
HandledLock = true;
auto DestAddress = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
DestAddress = AppendSegmentOffset(DestAddress, Op->Flags);
Dest = _AtomicFetchAdd(OpSizeFromSrc(Op), OneConst, DestAddress);
} else {
Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
}
Result = _Add(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, Dest, OneConst);
if (!IsLocked) {
StoreResult(GPRClass, Op, Result, -1);
}
GenerateFlags_ADD(Op, Result, Dest, OneConst, false);
}
void OpDispatchBuilder::DECOp(OpcodeArgs) {
if (Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_REP_PREFIX) {
LogMan::Msg::EFmt("Can't handle REP on this");
DecodeFailure = true;
return;
}
OrderedNode *Dest;
OrderedNode *Result;
const auto Size = GetSrcBitSize(Op);
auto OneConst = _Constant(Size, 1);
const bool IsLocked = DestIsLockedMem(Op);
if (IsLocked) {
HandledLock = true;
auto DestAddress = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
DestAddress = AppendSegmentOffset(DestAddress, Op->Flags);
Dest = _AtomicFetchSub(OpSizeFromSrc(Op), OneConst, DestAddress);
} else {
Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
}
Result = _Sub(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, Dest, OneConst);
if (!IsLocked) {
StoreResult(GPRClass, Op, Result, -1);
}
GenerateFlags_SUB(Op, Result, Dest, OneConst, false);
}
void OpDispatchBuilder::STOSOp(OpcodeArgs) {
if (Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_ADDRESS_SIZE) {
LogMan::Msg::EFmt("Can't handle adddress size");
DecodeFailure = true;
return;
}
const auto Size = GetSrcSize(Op);
const bool Repeat = (Op->Flags & (FEXCore::X86Tables::DecodeFlags::FLAG_REP_PREFIX | FEXCore::X86Tables::DecodeFlags::FLAG_REPNE_PREFIX)) != 0;
if (!Repeat) {
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
OrderedNode *Dest = LoadGPRRegister(X86State::REG_RDI);
// Only ES prefix
Dest = AppendSegmentOffset(Dest, 0, FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX, true);
// Store to memory where RDI points
_StoreMemAutoTSO(GPRClass, Size, Dest, Src, Size);
auto SizeConst = _Constant(Size);
auto NegSizeConst = _Constant(-Size);
// Calculate direction.
auto DF = GetRFLAG(FEXCore::X86State::RFLAG_DF_LOC);
auto PtrDir = _Select(FEXCore::IR::COND_EQ,
DF, _Constant(0),
SizeConst, NegSizeConst);
// Offset the pointer
OrderedNode *TailDest = LoadGPRRegister(X86State::REG_RDI);
TailDest = _Add(OpSize::i64Bit, TailDest, PtrDir);
StoreGPRRegister(X86State::REG_RDI, TailDest);
}
else {
// FEX doesn't support partial faulting REP instructions.
// Converting this to a `MemSet` IR op optimizes this quite significantly in our codegen.
// If FEX is to gain support for faulting REP instructions, then this implementation needs to change significantly.
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
OrderedNode *Dest = LoadGPRRegister(X86State::REG_RDI);
// Only ES prefix
auto Segment = GetSegment(0, FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX, true);
OrderedNode *Counter = LoadGPRRegister(X86State::REG_RCX);
auto DF = GetRFLAG(FEXCore::X86State::RFLAG_DF_LOC);
auto Result = _MemSet(CTX->IsAtomicTSOEnabled(), Size, Segment ?: InvalidNode, Dest, Src, Counter, DF);
StoreGPRRegister(X86State::REG_RCX, _Constant(0));
StoreGPRRegister(X86State::REG_RDI, Result);
}
}
void OpDispatchBuilder::MOVSOp(OpcodeArgs) {
if (Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_ADDRESS_SIZE) {
LogMan::Msg::EFmt("Can't handle adddress size");
DecodeFailure = true;
return;
}
// RA now can handle these to be here, to avoid DF accesses
const auto Size = GetSrcSize(Op);
// Calculate direction.
auto DF = GetRFLAG(FEXCore::X86State::RFLAG_DF_LOC);
if (Op->Flags & (FEXCore::X86Tables::DecodeFlags::FLAG_REP_PREFIX | FEXCore::X86Tables::DecodeFlags::FLAG_REPNE_PREFIX)) {
auto SrcAddr = LoadGPRRegister(X86State::REG_RSI);
auto DstAddr = LoadGPRRegister(X86State::REG_RDI);
auto Counter = LoadGPRRegister(X86State::REG_RCX);
auto DstSegment = GetSegment(0, FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX, true);
auto SrcSegment = GetSegment(Op->Flags, FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX);
auto Result = _MemCpy(CTX->IsAtomicTSOEnabled(), Size,
DstSegment ?: InvalidNode,
SrcSegment ?: InvalidNode,
DstAddr, SrcAddr, Counter, DF);
OrderedNode *Result_Dst = _ExtractElementPair(OpSize::i64Bit, Result, 0);
OrderedNode *Result_Src = _ExtractElementPair(OpSize::i64Bit, Result, 1);
StoreGPRRegister(X86State::REG_RCX, _Constant(0));
StoreGPRRegister(X86State::REG_RDI, Result_Dst);
StoreGPRRegister(X86State::REG_RSI, Result_Src);
}
else {
auto SizeConst = _Constant(Size);
auto NegSizeConst = _Constant(-Size);
auto PtrDir = _Select(FEXCore::IR::COND_EQ, DF, _Constant(0), SizeConst, NegSizeConst);
OrderedNode *RSI = LoadGPRRegister(X86State::REG_RSI);
OrderedNode *RDI = LoadGPRRegister(X86State::REG_RDI);
RDI= AppendSegmentOffset(RDI, 0, FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX, true);
RSI = AppendSegmentOffset(RSI, Op->Flags, FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX);
auto Src = _LoadMemAutoTSO(GPRClass, Size, RSI, Size);
// Store to memory where RDI points
_StoreMemAutoTSO(GPRClass, Size, RDI, Src, Size);
RSI = _Add(OpSize::i64Bit, RSI, PtrDir);
RDI = _Add(OpSize::i64Bit, RDI, PtrDir);
StoreGPRRegister(X86State::REG_RSI, RSI);
StoreGPRRegister(X86State::REG_RDI, RDI);
}
}
void OpDispatchBuilder::CMPSOp(OpcodeArgs) {
if (Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_ADDRESS_SIZE) {
LogMan::Msg::EFmt("Can't handle adddress size");
DecodeFailure = true;
return;
}
const auto Size = GetSrcSize(Op);
bool Repeat = Op->Flags & (FEXCore::X86Tables::DecodeFlags::FLAG_REPNE_PREFIX | FEXCore::X86Tables::DecodeFlags::FLAG_REP_PREFIX);
if (!Repeat) {
OrderedNode *Dest_RSI = LoadGPRRegister(X86State::REG_RSI);
OrderedNode *Dest_RDI = LoadGPRRegister(X86State::REG_RDI);
// Only ES prefix
Dest_RDI = AppendSegmentOffset(Dest_RDI, 0, FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX, true);
// Default DS prefix
Dest_RSI = AppendSegmentOffset(Dest_RSI, Op->Flags, FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX);
auto Src1 = _LoadMemAutoTSO(GPRClass, Size, Dest_RDI, Size);
auto Src2 = _LoadMemAutoTSO(GPRClass, Size, Dest_RSI, Size);
OrderedNode* Result = _Sub(Size == 8 ? OpSize::i64Bit : OpSize::i32Bit, Src2, Src1);
GenerateFlags_SUB(Op, Result, Src2, Src1);
auto DF = GetRFLAG(FEXCore::X86State::RFLAG_DF_LOC);
auto PtrDir = _Select(FEXCore::IR::COND_EQ,
DF, _Constant(0),
_Constant(Size), _Constant(-Size));
// Offset the pointer
Dest_RDI = _Add(OpSize::i64Bit, Dest_RDI, PtrDir);
StoreGPRRegister(X86State::REG_RDI, Dest_RDI);
// Offset second pointer
Dest_RSI = _Add(OpSize::i64Bit, Dest_RSI, PtrDir);
StoreGPRRegister(X86State::REG_RSI, Dest_RSI);
}
else {
// Calculate flags early.
CalculateDeferredFlags();
bool REPE = Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_REP_PREFIX;
// read DF once
auto DF = GetRFLAG(FEXCore::X86State::RFLAG_DF_LOC);
auto PtrDir = _Select(FEXCore::IR::COND_EQ,
DF, _Constant(0),
_Constant(Size), _Constant(-Size));
auto JumpStart = _Jump();
// Make sure to start a new block after ending this one
auto LoopStart = CreateNewCodeBlockAfter(GetCurrentBlock());
SetJumpTarget(JumpStart, LoopStart);
SetCurrentCodeBlock(LoopStart);
StartNewBlock();
OrderedNode *Counter = LoadGPRRegister(X86State::REG_RCX);
// Can we end the block?
auto CondJump = _CondJump(Counter, {COND_EQ});
IRPair<IROp_CondJump> InternalCondJump;
auto LoopTail = CreateNewCodeBlockAfter(LoopStart);
SetFalseJumpTarget(CondJump, LoopTail);
SetCurrentCodeBlock(LoopTail);
StartNewBlock();
// Working loop
{
OrderedNode *Dest_RSI = LoadGPRRegister(X86State::REG_RSI);
OrderedNode *Dest_RDI = LoadGPRRegister(X86State::REG_RDI);
// Only ES prefix
Dest_RDI = AppendSegmentOffset(Dest_RDI, 0, FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX, true);
// Default DS prefix
Dest_RSI = AppendSegmentOffset(Dest_RSI, Op->Flags, FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX);
auto Src1 = _LoadMemAutoTSO(GPRClass, Size, Dest_RDI, Size);
auto Src2 = _LoadMem(GPRClass, Size, Dest_RSI, Size);
OrderedNode* Result = _Sub(Size == 8 ? OpSize::i64Bit : OpSize::i32Bit, Src2, Src1);
GenerateFlags_SUB(Op, Result, Src2, Src1);
// Calculate flags early.
CalculateDeferredFlags();
OrderedNode *TailCounter = LoadGPRRegister(X86State::REG_RCX);
// Decrement counter
TailCounter = _Sub(OpSize::i64Bit, TailCounter, _Constant(1));
// Store the counter since we don't have phis
StoreGPRRegister(X86State::REG_RCX, TailCounter);
// Offset the pointer
Dest_RDI = _Add(OpSize::i64Bit, Dest_RDI, PtrDir);
StoreGPRRegister(X86State::REG_RDI, Dest_RDI);
// Offset second pointer
Dest_RSI = _Add(OpSize::i64Bit, Dest_RSI, PtrDir);
StoreGPRRegister(X86State::REG_RSI, Dest_RSI);
OrderedNode *ZF = GetRFLAG(FEXCore::X86State::RFLAG_ZF_RAW_LOC);
CalculateDeferredFlags();
InternalCondJump = _CondJump(ZF, {REPE ? COND_NEQ : COND_EQ});
// Jump back to the start if we have more work to do
SetTrueJumpTarget(InternalCondJump, LoopStart);
}
// Make sure to start a new block after ending this one
auto LoopEnd = CreateNewCodeBlockAfter(LoopTail);
SetTrueJumpTarget(CondJump, LoopEnd);
SetFalseJumpTarget(InternalCondJump, LoopEnd);
SetCurrentCodeBlock(LoopEnd);
StartNewBlock();
}
}
void OpDispatchBuilder::LODSOp(OpcodeArgs) {
if (Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_ADDRESS_SIZE) {
LogMan::Msg::EFmt("Can't handle adddress size");
DecodeFailure = true;
return;
}
const auto Size = GetSrcSize(Op);
const bool Repeat = (Op->Flags & (FEXCore::X86Tables::DecodeFlags::FLAG_REP_PREFIX | FEXCore::X86Tables::DecodeFlags::FLAG_REPNE_PREFIX)) != 0;
if (!Repeat) {
OrderedNode *Dest_RSI = LoadGPRRegister(X86State::REG_RSI);
Dest_RSI = AppendSegmentOffset(Dest_RSI, Op->Flags, FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX);
auto Src = _LoadMemAutoTSO(GPRClass, Size, Dest_RSI, Size);
StoreResult(GPRClass, Op, Src, -1);
auto SizeConst = _Constant(Size);
auto NegSizeConst = _Constant(-Size);
auto DF = GetRFLAG(FEXCore::X86State::RFLAG_DF_LOC);
auto PtrDir = _Select(FEXCore::IR::COND_EQ,
DF, _Constant(0),
SizeConst, NegSizeConst);
// Offset the pointer
OrderedNode *TailDest_RSI = LoadGPRRegister(X86State::REG_RSI);
TailDest_RSI = _Add(OpSize::i64Bit, TailDest_RSI, PtrDir);
StoreGPRRegister(X86State::REG_RSI, TailDest_RSI);
}
else {
// Calculate flags early. because end of block
CalculateDeferredFlags();
// XXX: Theoretically LODS could be optimized to
// RSI += {-}(RCX * Size)
// RAX = [RSI - Size]
// But this might violate the case of an application scanning pages for read permission and catching the fault
// May or may not matter
// Read DF once
auto SizeConst = _Constant(Size);
auto NegSizeConst = _Constant(-Size);
auto DF = GetRFLAG(FEXCore::X86State::RFLAG_DF_LOC);
auto PtrDir = _Select(FEXCore::IR::COND_EQ,
DF, _Constant(0),
SizeConst, NegSizeConst);
auto JumpStart = _Jump();
// Make sure to start a new block after ending this one
auto LoopStart = CreateNewCodeBlockAfter(GetCurrentBlock());
SetJumpTarget(JumpStart, LoopStart);
SetCurrentCodeBlock(LoopStart);
StartNewBlock();
OrderedNode *Counter = LoadGPRRegister(X86State::REG_RCX);
// Can we end the block?
// We leave if RCX = 0
auto CondJump = _CondJump(Counter, {COND_EQ});
auto LoopTail = CreateNewCodeBlockAfter(LoopStart);
SetFalseJumpTarget(CondJump, LoopTail);
SetCurrentCodeBlock(LoopTail);
StartNewBlock();
// Working loop
{
OrderedNode *Dest_RSI = LoadGPRRegister(X86State::REG_RSI);
Dest_RSI = AppendSegmentOffset(Dest_RSI, Op->Flags, FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX);
auto Src = _LoadMemAutoTSO(GPRClass, Size, Dest_RSI, Size);
StoreResult(GPRClass, Op, Src, -1);
OrderedNode *TailCounter = LoadGPRRegister(X86State::REG_RCX);
OrderedNode *TailDest_RSI = LoadGPRRegister(X86State::REG_RSI);
// Decrement counter
TailCounter = _Sub(OpSize::i64Bit, TailCounter, _Constant(1));
// Store the counter since we don't have phis
StoreGPRRegister(X86State::REG_RCX, TailCounter);
// Offset the pointer
TailDest_RSI = _Add(OpSize::i64Bit, TailDest_RSI, PtrDir);
StoreGPRRegister(X86State::REG_RSI, TailDest_RSI);
// Jump back to the start, we have more work to do
_Jump(LoopStart);
}
// Make sure to start a new block after ending this one
auto LoopEnd = CreateNewCodeBlockAfter(LoopTail);
SetTrueJumpTarget(CondJump, LoopEnd);
SetCurrentCodeBlock(LoopEnd);
StartNewBlock();
}
}
void OpDispatchBuilder::SCASOp(OpcodeArgs) {
if (Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_ADDRESS_SIZE) {
LogMan::Msg::EFmt("Can't handle adddress size");
DecodeFailure = true;
return;
}
const auto Size = GetSrcSize(Op);
const bool Repeat = (Op->Flags & (FEXCore::X86Tables::DecodeFlags::FLAG_REPNE_PREFIX | FEXCore::X86Tables::DecodeFlags::FLAG_REP_PREFIX)) != 0;
if (!Repeat) {
OrderedNode *Dest_RDI = LoadGPRRegister(X86State::REG_RDI);
Dest_RDI = AppendSegmentOffset(Dest_RDI, 0, FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX, true);
auto Src1 = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto Src2 = _LoadMemAutoTSO(GPRClass, Size, Dest_RDI, Size);
OrderedNode* Result = _Sub(Size == 8 ? OpSize::i64Bit : OpSize::i32Bit, Src1, Src2);
GenerateFlags_SUB(Op, Result, Src1, Src2);
auto SizeConst = _Constant(Size);
auto NegSizeConst = _Constant(-Size);
auto DF = GetRFLAG(FEXCore::X86State::RFLAG_DF_LOC);
auto PtrDir = _Select(FEXCore::IR::COND_EQ,
DF, _Constant(0),
SizeConst, NegSizeConst);
// Offset the pointer
OrderedNode *TailDest_RDI = LoadGPRRegister(X86State::REG_RDI);
TailDest_RDI = _Add(OpSize::i64Bit, TailDest_RDI, PtrDir);
StoreGPRRegister(X86State::REG_RDI, TailDest_RDI);
}
else {
// Calculate flags early. because end of block
CalculateDeferredFlags();
bool REPE = Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_REP_PREFIX;
// read DF once
auto SizeConst = _Constant(Size);
auto NegSizeConst = _Constant(-Size);
auto DF = GetRFLAG(FEXCore::X86State::RFLAG_DF_LOC);
auto PtrDir = _Select(FEXCore::IR::COND_EQ,
DF, _Constant(0),
SizeConst, NegSizeConst);
auto JumpStart = _Jump();
// Make sure to start a new block after ending this one
auto LoopStart = CreateNewCodeBlockAfter(GetCurrentBlock());
SetJumpTarget(JumpStart, LoopStart);
SetCurrentCodeBlock(LoopStart);
StartNewBlock();
OrderedNode *Counter = LoadGPRRegister(X86State::REG_RCX);
// Can we end the block?
// We leave if RCX = 0
auto CondJump = _CondJump(Counter, {COND_EQ});
IRPair<IROp_CondJump> InternalCondJump;
auto LoopTail = CreateNewCodeBlockAfter(LoopStart);
SetFalseJumpTarget(CondJump, LoopTail);
SetCurrentCodeBlock(LoopTail);
StartNewBlock();
// Working loop
{
OrderedNode *Dest_RDI = LoadGPRRegister(X86State::REG_RDI);
Dest_RDI = AppendSegmentOffset(Dest_RDI, 0, FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX, true);
auto Src1 = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto Src2 = _LoadMemAutoTSO(GPRClass, Size, Dest_RDI, Size);
OrderedNode* Result = _Sub(Size == 8 ? OpSize::i64Bit : OpSize::i32Bit, Src1, Src2);
GenerateFlags_SUB(Op, Result, Src1, Src2);
// Calculate flags early.
CalculateDeferredFlags();
OrderedNode *TailCounter = LoadGPRRegister(X86State::REG_RCX);
OrderedNode *TailDest_RDI = LoadGPRRegister(X86State::REG_RDI);
// Decrement counter
TailCounter = _Sub(OpSize::i64Bit, TailCounter, _Constant(1));
// Store the counter since we don't have phis
StoreGPRRegister(X86State::REG_RCX, TailCounter);
// Offset the pointer
TailDest_RDI = _Add(OpSize::i64Bit, TailDest_RDI, PtrDir);
StoreGPRRegister(X86State::REG_RDI, TailDest_RDI);
OrderedNode *ZF = GetRFLAG(FEXCore::X86State::RFLAG_ZF_RAW_LOC);
CalculateDeferredFlags();
InternalCondJump = _CondJump(ZF, {REPE ? COND_NEQ : COND_EQ});
// Jump back to the start if we have more work to do
SetTrueJumpTarget(InternalCondJump, LoopStart);
}
// Make sure to start a new block after ending this one
auto LoopEnd = CreateNewCodeBlockAfter(LoopTail);
SetTrueJumpTarget(CondJump, LoopEnd);
SetFalseJumpTarget(InternalCondJump, LoopEnd);
SetCurrentCodeBlock(LoopEnd);
StartNewBlock();
}
}
void OpDispatchBuilder::BSWAPOp(OpcodeArgs) {
OrderedNode *Dest;
const auto Size = GetSrcSize(Op);
if (Size == 2) {
// BSWAP of 16bit is undef. ZEN+ causes the lower 16bits to get zero'd
Dest = _Constant(0);
}
else {
Dest = LoadSource_WithOpSize(GPRClass, Op, Op->Dest, CTX->GetGPRSize(), Op->Flags, -1);
Dest = _Rev(IR::SizeToOpSize(Size), Dest);
}
StoreResult(GPRClass, Op, Dest, -1);
}
void OpDispatchBuilder::PUSHFOp(OpcodeArgs) {
const uint8_t Size = GetSrcSize(Op);
OrderedNode *Src = GetPackedRFLAG();
if (Size != 8) {
Src = _Bfe(OpSize::i32Bit, Size * 8, 0, Src);
}
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
const uint8_t GPRSize = CTX->GetGPRSize();
auto NewSP = _Push(GPRSize, Size, Src, OldSP);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
}
void OpDispatchBuilder::POPFOp(OpcodeArgs) {
const uint8_t Size = GetSrcSize(Op);
auto Constant = _Constant(Size);
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
OrderedNode *Src = _LoadMem(GPRClass, Size, OldSP, Size);
auto NewSP = _Add(OpSize::i64Bit, OldSP, Constant);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
// Add back our flag constants
// Bit 1 is always 1
// Bit 9 is always 1 because we always have interrupts enabled
Src = _Or(OpSize::i64Bit, Src, _Constant(Size * 8, 0x202));
SetPackedRFLAG(false, Src);
}
void OpDispatchBuilder::NEGOp(OpcodeArgs) {
HandledLock = (Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_LOCK) != 0;
auto Size = GetSrcSize(Op);
auto ZeroConst = _Constant(0);
OrderedNode *Dest{};
OrderedNode *Result{};
if (DestIsLockedMem(Op)) {
OrderedNode *DestMem = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
DestMem = AppendSegmentOffset(DestMem, Op->Flags);
Dest = _AtomicFetchNeg(IR::SizeToOpSize(Size), DestMem);
Result = _Neg(Size == 8 ? OpSize::i64Bit : OpSize::i32Bit, Dest);
}
else {
Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
Result = _Neg(Size == 8 ? OpSize::i64Bit : OpSize::i32Bit, Dest);
StoreResult(GPRClass, Op, Result, -1);
}
GenerateFlags_SUB(Op, Result, ZeroConst, Dest);
}
void OpDispatchBuilder::DIVOp(OpcodeArgs) {
// This loads the divisor
OrderedNode *Divisor = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
const auto GPRSize = CTX->GetGPRSize();
const auto Size = GetSrcSize(Op);
if (Size == 1) {
OrderedNode *Src1 = LoadGPRRegister(X86State::REG_RAX, 2);
auto UDivOp = _UDiv(OpSize::i16Bit, Src1, Divisor);
auto URemOp = _URem(OpSize::i16Bit, Src1, Divisor);
// AX[15:0] = concat<URem[7:0]:UDiv[7:0]>
auto ResultAX = _Bfi(IR::SizeToOpSize(GPRSize), 8, 8, UDivOp, URemOp);
StoreGPRRegister(X86State::REG_RAX, ResultAX, 2);
}
else if (Size == 2) {
OrderedNode *Src1 = LoadGPRRegister(X86State::REG_RAX, Size);
OrderedNode *Src2 = LoadGPRRegister(X86State::REG_RDX, Size);
auto UDivOp = _LUDiv(OpSize::i16Bit, Src1, Src2, Divisor);
auto URemOp = _LURem(OpSize::i16Bit, Src1, Src2, Divisor);
StoreGPRRegister(X86State::REG_RAX, UDivOp, Size);
StoreGPRRegister(X86State::REG_RDX, URemOp, Size);
}
else if (Size == 4) {
OrderedNode *Src1 = LoadGPRRegister(X86State::REG_RAX, Size);
OrderedNode *Src2 = LoadGPRRegister(X86State::REG_RDX, Size);
OrderedNode *UDivOp = _Bfe(OpSize::i32Bit, Size * 8, 0, _LUDiv(OpSize::i32Bit, Src1, Src2, Divisor));
OrderedNode *URemOp = _Bfe(OpSize::i32Bit, Size * 8, 0, _LURem(OpSize::i32Bit, Src1, Src2, Divisor));
StoreGPRRegister(X86State::REG_RAX, UDivOp);
StoreGPRRegister(X86State::REG_RDX, URemOp);
}
else if (Size == 8) {
if (!CTX->Config.Is64BitMode) {
LogMan::Msg::EFmt("Doesn't exist in 32bit mode");
DecodeFailure = true;
return;
}
OrderedNode *Src1 = LoadGPRRegister(X86State::REG_RAX);
OrderedNode *Src2 = LoadGPRRegister(X86State::REG_RDX);
auto UDivOp = _LUDiv(OpSize::i64Bit, Src1, Src2, Divisor);
auto URemOp = _LURem(OpSize::i64Bit, Src1, Src2, Divisor);
StoreGPRRegister(X86State::REG_RAX, UDivOp);
StoreGPRRegister(X86State::REG_RDX, URemOp);
}
}
void OpDispatchBuilder::IDIVOp(OpcodeArgs) {
// This loads the divisor
OrderedNode *Divisor = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1);
const auto GPRSize = CTX->GetGPRSize();
const auto Size = GetSrcSize(Op);
if (Size == 1) {
OrderedNode *Src1 = LoadGPRRegister(X86State::REG_RAX, 2);
Src1 = _Sbfe(OpSize::i64Bit, 16, 0, Src1);
Divisor = _Sbfe(OpSize::i64Bit, 8, 0, Divisor);
auto UDivOp = _Div(OpSize::i64Bit, Src1, Divisor);
auto URemOp = _Rem(OpSize::i64Bit, Src1, Divisor);
// AX[15:0] = concat<URem[7:0]:UDiv[7:0]>
auto ResultAX = _Bfi(IR::SizeToOpSize(GPRSize), 8, 8, UDivOp, URemOp);
StoreGPRRegister(X86State::REG_RAX, ResultAX, 2);
}
else if (Size == 2) {
OrderedNode *Src1 = LoadGPRRegister(X86State::REG_RAX, Size);
OrderedNode *Src2 = LoadGPRRegister(X86State::REG_RDX, Size);
auto UDivOp = _LDiv(OpSize::i16Bit, Src1, Src2, Divisor);
auto URemOp = _LRem(OpSize::i16Bit, Src1, Src2, Divisor);
StoreGPRRegister(X86State::REG_RAX, UDivOp, Size);
StoreGPRRegister(X86State::REG_RDX, URemOp, Size);
}
else if (Size == 4) {
OrderedNode *Src1 = LoadGPRRegister(X86State::REG_RAX, Size);
OrderedNode *Src2 = LoadGPRRegister(X86State::REG_RDX, Size);
OrderedNode *UDivOp = _Bfe(OpSize::i32Bit, Size * 8, 0, _LDiv(OpSize::i32Bit, Src1, Src2, Divisor));
OrderedNode *URemOp = _Bfe(OpSize::i32Bit, Size * 8, 0, _LRem(OpSize::i32Bit, Src1, Src2, Divisor));
StoreGPRRegister(X86State::REG_RAX, UDivOp);
StoreGPRRegister(X86State::REG_RDX, URemOp);
}
else if (Size == 8) {
if (!CTX->Config.Is64BitMode) {
LogMan::Msg::EFmt("Doesn't exist in 32bit mode");
DecodeFailure = true;
return;
}
OrderedNode *Src1 = LoadGPRRegister(X86State::REG_RAX);
OrderedNode *Src2 = LoadGPRRegister(X86State::REG_RDX);
auto UDivOp = _LDiv(OpSize::i64Bit, Src1, Src2, Divisor);
auto URemOp = _LRem(OpSize::i64Bit, Src1, Src2, Divisor);
StoreGPRRegister(X86State::REG_RAX, UDivOp);
StoreGPRRegister(X86State::REG_RDX, URemOp);
}
}
void OpDispatchBuilder::BSFOp(OpcodeArgs) {
const uint8_t GPRSize = CTX->GetGPRSize();
const uint8_t DstSize = GetDstSize(Op) == 2 ? 2 : GPRSize;
OrderedNode *Dest = LoadSource_WithOpSize(GPRClass, Op, Op->Dest, DstSize, Op->Flags, -1);
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
// Find the LSB of this source
auto Result = _FindLSB(OpSizeFromSrc(Op), Src);
auto ZeroConst = _Constant(0);
// If Src was zero then the destination doesn't get modified
auto SelectOp = _Select(FEXCore::IR::COND_EQ,
Src, ZeroConst,
Dest, Result);
StoreResult_WithOpSize(GPRClass, Op, Op->Dest, SelectOp, DstSize, -1);
GenerateFlags_BITSELECT(Op, Src);
}
void OpDispatchBuilder::BSROp(OpcodeArgs) {
const uint8_t GPRSize = CTX->GetGPRSize();
const uint8_t DstSize = GetDstSize(Op) == 2 ? 2 : GPRSize;
OrderedNode *Dest = LoadSource_WithOpSize(GPRClass, Op, Op->Dest, DstSize, Op->Flags, -1);
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
// Find the MSB of this source
auto Result = _FindMSB(OpSizeFromSrc(Op), Src);
auto ZeroConst = _Constant(0);
// If Src was zero then the destination doesn't get modified
auto SelectOp = _Select(FEXCore::IR::COND_EQ,
Src, ZeroConst,
Dest, Result);
StoreResult_WithOpSize(GPRClass, Op, Op->Dest, SelectOp, DstSize, -1);
GenerateFlags_BITSELECT(Op, Src);
}
void OpDispatchBuilder::CMPXCHGOp(OpcodeArgs) {
// CMPXCHG ModRM, reg, {RAX}
// MemData = *ModRM.dest
// if (RAX == MemData)
// modRM.dest = reg;
// ZF = 1
// else
// ZF = 0
// RAX = MemData
//
// CASL Xs, Xt, Xn
// MemData = *Xn
// if (MemData == Xs)
// *Xn = Xt
// Xs = MemData
const auto GPRSize = CTX->GetGPRSize();
auto Size = GetSrcSize(Op);
// This is our source register
OrderedNode *Src2 = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
// 0x80014000
// 0x80064000
// 0x80064000
if (Op->Dest.IsGPR()) {
OrderedNode *Src1{};
OrderedNode *Src1Lower{};
OrderedNode *Src3{};
OrderedNode *Src3Lower{};
if (GPRSize == 8 && Size == 4) {
Src1 = LoadSource_WithOpSize(GPRClass, Op, Op->Dest, GPRSize, Op->Flags, -1);
Src3 = LoadGPRRegister(X86State::REG_RAX);
}
else {
Src1 = LoadSource_WithOpSize(GPRClass, Op, Op->Dest, Size, Op->Flags, -1);
Src3 = LoadGPRRegister(X86State::REG_RAX);
}
if (Size != GPRSize) {
Src1Lower = _Bfe(IR::SizeToOpSize(GPRSize), Size * 8, 0, Src1);
Src3Lower = _Bfe(IR::SizeToOpSize(GPRSize), Size * 8, 0, Src3);
}
else {
Src1Lower = Src1;
Src3Lower = Src3;
}
// If our destination is a GPR then this behaves differently
// RAX = RAX == Op1 ? RAX : Op1
// AKA if they match then don't touch RAX value
// Otherwise set it to the rm operand
OrderedNode *CASResult = _Select(FEXCore::IR::COND_EQ,
Src1Lower, Src3Lower,
Src3Lower, Src1Lower);
// Op1 = RAX == Op1 ? Op2 : Op1
// If they match then set the rm operand to the input
// else don't set the rm operand
OrderedNode *DestResult = _Select(FEXCore::IR::COND_EQ,
Src1Lower, Src3Lower,
Src2, Src1);
// Store in to GPR Dest
// Have to make sure this is after the result store in RAX for when Dest == RAX
if (GPRSize == 8 && Size == 4) {
// This allows us to only hit the ZEXT case on failure
OrderedNode *RAXResult = _Select(FEXCore::IR::COND_EQ,
CASResult, Src3Lower,
Src3, Src1Lower);
// When the size is 4 we need to make sure not zext the GPR when the comparison fails
StoreGPRRegister(X86State::REG_RAX, RAXResult);
StoreResult_WithOpSize(GPRClass, Op, Op->Dest, DestResult, GPRSize, -1);
}
else {
StoreGPRRegister(X86State::REG_RAX, CASResult, Size);
StoreResult(GPRClass, Op, DestResult, -1);
}
OrderedNode *Result = _Sub(IR::SizeToOpSize(GPRSize), Src3Lower, CASResult);
GenerateFlags_SUB(Op, Result, Src3Lower, CASResult);
}
else {
HandledLock = Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_LOCK;
OrderedNode *Src3{};
OrderedNode *Src3Lower{};
if (GPRSize == 8 && Size == 4) {
Src3 = LoadGPRRegister(X86State::REG_RAX);
Src3Lower = _Bfe(OpSize::i32Bit, 32, 0, Src3);
}
else {
Src3 = LoadGPRRegister(X86State::REG_RAX, Size);
Src3Lower = Src3;
}
// If this is a memory location then we want the pointer to it
OrderedNode *Src1 = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
Src1 = AppendSegmentOffset(Src1, Op->Flags);
// DataSrc = *Src1
// if (DataSrc == Src3) { *Src1 == Src2; } Src2 = DataSrc
// This will write to memory! Careful!
// Third operand must be a calculated guest memory address
OrderedNode *CASResult = _CAS(IR::SizeToOpSize(Size), Src3Lower, Src2, Src1);
OrderedNode *RAXResult = CASResult;
if (GPRSize == 8 && Size == 4) {
// This allows us to only hit the ZEXT case on failure
RAXResult = _Select(FEXCore::IR::COND_EQ,
CASResult, Src3Lower,
Src3, CASResult);
Size = 8;
}
// RAX gets the result of the CAS op
StoreGPRRegister(X86State::REG_RAX, RAXResult, Size);
const auto Size = GetDstBitSize(Op);
OrderedNode *Result = _Sub(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, Src3Lower, CASResult);
GenerateFlags_SUB(Op, Result, Src3Lower, CASResult);
}
}
void OpDispatchBuilder::CMPXCHGPairOp(OpcodeArgs) {
// Calculate flags early.
CalculateDeferredFlags();
// REX.W used to determine if it is 16byte or 8byte
// Unlike CMPXCHG, the destination can only be a memory location
uint8_t Size = Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_REX_WIDENING ? 8 : 4;
HandledLock = (Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_LOCK) != 0;
// If this is a memory location then we want the pointer to it
OrderedNode *Src1 = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
Src1 = AppendSegmentOffset(Src1, Op->Flags);
OrderedNode *Expected_Lower = LoadGPRRegister(X86State::REG_RAX, Size);
OrderedNode *Expected_Upper = LoadGPRRegister(X86State::REG_RDX, Size);
OrderedNode *Expected = _CreateElementPair(IR::SizeToOpSize(Size * 2), Expected_Lower, Expected_Upper);
OrderedNode *Desired_Lower = LoadGPRRegister(X86State::REG_RBX, Size);
OrderedNode *Desired_Upper = LoadGPRRegister(X86State::REG_RCX, Size);
OrderedNode *Desired = _CreateElementPair(IR::SizeToOpSize(Size * 2), Desired_Lower, Desired_Upper);
// ssa0 = Expected
// ssa1 = Desired
// ssa2 = MemoryLocation
// DataSrc = *MemSrc
// if (DataSrc == Expected) { *MemSrc == Desired; } Expected = DataSrc
// This will write to memory! Careful!
// Third operand must be a calculated guest memory address
OrderedNode *CASResult = _CASPair(IR::SizeToOpSize(Size * 2), Expected, Desired, Src1);
OrderedNode *Result_Lower = _ExtractElementPair(IR::SizeToOpSize(Size), CASResult, 0);
OrderedNode *Result_Upper = _ExtractElementPair(IR::SizeToOpSize(Size), CASResult, 1);
// Set ZF if memory result was expected
auto OneConst = _Constant(1);
auto ZeroConst = _Constant(0);
OrderedNode *ZFResult = _Select(FEXCore::IR::COND_EQ,
CASResult, Expected,
OneConst, ZeroConst);
// Set ZF
SetRFLAG<FEXCore::X86State::RFLAG_ZF_RAW_LOC>(ZFResult);
CalculateDeferredFlags();
auto CondJump = _CondJump(ZFResult);
// Make sure to start a new block after ending this one
auto JumpTarget = CreateNewCodeBlockAfter(GetCurrentBlock());
SetFalseJumpTarget(CondJump, JumpTarget);
SetCurrentCodeBlock(JumpTarget);
StartNewBlock();
StoreGPRRegister(X86State::REG_RAX, Result_Lower);
StoreGPRRegister(X86State::REG_RDX, Result_Upper);
auto Jump = _Jump();
auto NextJumpTarget = CreateNewCodeBlockAfter(JumpTarget);
SetJumpTarget(Jump, NextJumpTarget);
SetTrueJumpTarget(CondJump, NextJumpTarget);
SetCurrentCodeBlock(NextJumpTarget);
StartNewBlock();
}
void OpDispatchBuilder::CreateJumpBlocks(fextl::vector<FEXCore::Frontend::Decoder::DecodedBlocks> const *Blocks) {
OrderedNode *PrevCodeBlock{};
for (auto &Target : *Blocks) {
auto CodeNode = CreateCodeNode();
JumpTargets.try_emplace(Target.Entry, JumpTargetInfo{CodeNode, false});
if (PrevCodeBlock) {
LinkCodeBlocks(PrevCodeBlock, CodeNode);
}
PrevCodeBlock = CodeNode;
}
}
void OpDispatchBuilder::BeginFunction(uint64_t RIP, fextl::vector<FEXCore::Frontend::Decoder::DecodedBlocks> const *Blocks, uint32_t NumInstructions) {
Entry = RIP;
auto IRHeader = _IRHeader(InvalidNode, RIP, 0, NumInstructions);
CreateJumpBlocks(Blocks);
auto Block = GetNewJumpBlock(RIP);
SetCurrentCodeBlock(Block);
IRHeader.first->Blocks = Block->Wrapped(DualListData.ListBegin());
LOGMAN_THROW_A_FMT(IsDeferredFlagsStored(), "Something failed to calculate flags and now we began with invalid state");
}
void OpDispatchBuilder::Finalize() {
// Calculate flags early.
// This usually doesn't emit any IR but in the case of hitting the block instruction limit it will
CalculateDeferredFlags();
const uint8_t GPRSize = CTX->GetGPRSize();
// Node 0 is invalid node
OrderedNode *RealNode = reinterpret_cast<OrderedNode*>(GetNode(1));
[[maybe_unused]] const FEXCore::IR::IROp_Header *IROp =
RealNode->Op(DualListData.DataBegin());
LOGMAN_THROW_AA_FMT(IROp->Op == OP_IRHEADER, "First op in function must be our header");
// Let's walk the jump blocks and see if we have handled every block target
for (auto &Handler : JumpTargets) {
if (Handler.second.HaveEmitted) continue;
// We haven't emitted. Dump out to the dispatcher
SetCurrentCodeBlock(Handler.second.BlockEntry);
CalculateDeferredFlags();
_ExitFunction(_EntrypointOffset(IR::SizeToOpSize(GPRSize), Handler.first - Entry));
}
}
uint8_t OpDispatchBuilder::GetDstSize(X86Tables::DecodedOp Op) const {
const uint32_t DstSizeFlag = X86Tables::DecodeFlags::GetSizeDstFlags(Op->Flags);
LOGMAN_THROW_AA_FMT(DstSizeFlag != 0 && DstSizeFlag != X86Tables::DecodeFlags::SIZE_MASK, "Invalid destination size for op");
return 1u << (DstSizeFlag - 1);
}
uint8_t OpDispatchBuilder::GetSrcSize(X86Tables::DecodedOp Op) const {
const uint32_t SrcSizeFlag = X86Tables::DecodeFlags::GetSizeSrcFlags(Op->Flags);
LOGMAN_THROW_AA_FMT(SrcSizeFlag != 0 && SrcSizeFlag != X86Tables::DecodeFlags::SIZE_MASK, "Invalid destination size for op");
return 1u << (SrcSizeFlag - 1);
}
uint32_t OpDispatchBuilder::GetSrcBitSize(X86Tables::DecodedOp Op) const {
return GetSrcSize(Op) * 8;
}
uint32_t OpDispatchBuilder::GetDstBitSize(X86Tables::DecodedOp Op) const {
return GetDstSize(Op) * 8;
}
OrderedNode *OpDispatchBuilder::GetSegment(uint32_t Flags, uint32_t DefaultPrefix, bool Override) {
const uint8_t GPRSize = CTX->GetGPRSize();
if (CTX->Config.Is64BitMode) {
if (Flags & FEXCore::X86Tables::DecodeFlags::FLAG_FS_PREFIX) {
return _LoadContext(GPRSize, GPRClass, offsetof(FEXCore::Core::CPUState, fs_cached));
}
else if (Flags & FEXCore::X86Tables::DecodeFlags::FLAG_GS_PREFIX) {
return _LoadContext(GPRSize, GPRClass, offsetof(FEXCore::Core::CPUState, gs_cached));
}
// If there was any other segment in 64bit then it is ignored
}
else {
uint32_t Prefix = Flags & FEXCore::X86Tables::DecodeFlags::FLAG_SEGMENTS;
if (!Prefix || Override) {
// If there was no prefix then use the default one if available
// Or the argument only uses a specific prefix (with override set)
Prefix = DefaultPrefix;
}
// With the segment register optimization we store the GDT bases directly in the segment register to remove indexed loads
OrderedNode *SegmentResult{};
switch (Prefix) {
case FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX:
SegmentResult = _LoadContext(GPRSize, GPRClass, offsetof(FEXCore::Core::CPUState, es_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_CS_PREFIX:
SegmentResult = _LoadContext(GPRSize, GPRClass, offsetof(FEXCore::Core::CPUState, cs_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_SS_PREFIX:
SegmentResult = _LoadContext(GPRSize, GPRClass, offsetof(FEXCore::Core::CPUState, ss_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX:
SegmentResult = _LoadContext(GPRSize, GPRClass, offsetof(FEXCore::Core::CPUState, ds_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_FS_PREFIX:
SegmentResult = _LoadContext(GPRSize, GPRClass, offsetof(FEXCore::Core::CPUState, fs_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_GS_PREFIX:
SegmentResult = _LoadContext(GPRSize, GPRClass, offsetof(FEXCore::Core::CPUState, gs_cached));
break;
default:
break; // Do nothing
}
CheckLegacySegmentRead(SegmentResult, Prefix);
return SegmentResult;
}
return nullptr;
}
OrderedNode *OpDispatchBuilder::AppendSegmentOffset(OrderedNode *Value, uint32_t Flags, uint32_t DefaultPrefix, bool Override) {
auto Segment = GetSegment(Flags, DefaultPrefix, Override);
if (Segment) {
Value = _Add(IR::SizeToOpSize(std::max<uint8_t>(4, std::max(GetOpSize(Value), GetOpSize(Segment)))), Value, Segment);
}
return Value;
}
void OpDispatchBuilder::CheckLegacySegmentRead(OrderedNode *NewNode, uint32_t SegmentReg) {
#ifndef FEX_DISABLE_TELEMETRY
if (SegmentReg == FEXCore::X86Tables::DecodeFlags::FLAG_FS_PREFIX ||
SegmentReg == FEXCore::X86Tables::DecodeFlags::FLAG_GS_PREFIX) {
// FS and GS segments aren't considered legacy.
return;
}
if (!(SegmentsNeedReadCheck & SegmentReg)) {
// If the block has done multiple reads of a segment register then skip redundant read checks.
// Segment write will cause another read check.
return;
}
if (CTX->Config.DisableTelemetry()) {
// Telemetry disabled at runtime.
return;
}
FEXCore::Telemetry::TelemetryType TelemIndex{};
switch (SegmentReg) {
case FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX:
TelemIndex = FEXCore::Telemetry::TelemetryType::TYPE_WRITES_32BIT_SEGMENT_ES;
SegmentsNeedReadCheck &= ~FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX;
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_CS_PREFIX:
TelemIndex = FEXCore::Telemetry::TelemetryType::TYPE_WRITES_32BIT_SEGMENT_CS;
SegmentsNeedReadCheck &= ~FEXCore::X86Tables::DecodeFlags::FLAG_CS_PREFIX;
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_SS_PREFIX:
TelemIndex = FEXCore::Telemetry::TelemetryType::TYPE_WRITES_32BIT_SEGMENT_SS;
SegmentsNeedReadCheck &= ~FEXCore::X86Tables::DecodeFlags::FLAG_SS_PREFIX;
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX:
TelemIndex = FEXCore::Telemetry::TelemetryType::TYPE_WRITES_32BIT_SEGMENT_DS;
SegmentsNeedReadCheck &= ~FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX;
break;
default: FEX_UNREACHABLE;
}
// Will set the telemetry value if NewNode is != 0
_TelemetrySetValue(NewNode, TelemIndex);
#endif
}
void OpDispatchBuilder::CheckLegacySegmentWrite(OrderedNode *NewNode, uint32_t SegmentReg) {
#ifndef FEX_DISABLE_TELEMETRY
if (SegmentReg == FEXCore::X86Tables::DecodeFlags::FLAG_FS_PREFIX ||
SegmentReg == FEXCore::X86Tables::DecodeFlags::FLAG_GS_PREFIX) {
// FS and GS segments aren't considered legacy.
return;
}
if (CTX->Config.DisableTelemetry()) {
// Telemetry disabled at runtime.
return;
}
FEXCore::Telemetry::TelemetryType TelemIndex{};
switch (SegmentReg) {
case FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX:
TelemIndex = FEXCore::Telemetry::TelemetryType::TYPE_WRITES_32BIT_SEGMENT_ES;
SegmentsNeedReadCheck |= FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX;
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_CS_PREFIX:
TelemIndex = FEXCore::Telemetry::TelemetryType::TYPE_WRITES_32BIT_SEGMENT_CS;
SegmentsNeedReadCheck |= FEXCore::X86Tables::DecodeFlags::FLAG_CS_PREFIX;
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_SS_PREFIX:
TelemIndex = FEXCore::Telemetry::TelemetryType::TYPE_WRITES_32BIT_SEGMENT_SS;
SegmentsNeedReadCheck |= FEXCore::X86Tables::DecodeFlags::FLAG_SS_PREFIX;
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX:
TelemIndex = FEXCore::Telemetry::TelemetryType::TYPE_WRITES_32BIT_SEGMENT_DS;
SegmentsNeedReadCheck |= FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX;
break;
default: FEX_UNREACHABLE;
}
// Will set the telemetry value if NewNode is != 0
_TelemetrySetValue(NewNode, TelemIndex);
#endif
}
void OpDispatchBuilder::UpdatePrefixFromSegment(OrderedNode *Segment, uint32_t SegmentReg) {
// Use BFE to extract the selector index in bits [15,3] of the segment register.
// In some cases the upper 16-bits of the 32-bit GPR contain garbage to ignore.
Segment = _Bfe(OpSize::i32Bit, 16 - 3, 3, Segment);
auto NewSegment = _LoadContextIndexed(Segment, 4, offsetof(FEXCore::Core::CPUState, gdt[0]), 4, GPRClass);
CheckLegacySegmentWrite(NewSegment, SegmentReg);
switch (SegmentReg) {
case FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX:
_StoreContext(4, GPRClass, NewSegment, offsetof(FEXCore::Core::CPUState, es_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_CS_PREFIX:
_StoreContext(4, GPRClass, NewSegment, offsetof(FEXCore::Core::CPUState, cs_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_SS_PREFIX:
_StoreContext(4, GPRClass, NewSegment, offsetof(FEXCore::Core::CPUState, ss_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX:
_StoreContext(4, GPRClass, NewSegment, offsetof(FEXCore::Core::CPUState, ds_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_FS_PREFIX:
_StoreContext(4, GPRClass, NewSegment, offsetof(FEXCore::Core::CPUState, fs_cached));
break;
case FEXCore::X86Tables::DecodeFlags::FLAG_GS_PREFIX:
_StoreContext(4, GPRClass, NewSegment, offsetof(FEXCore::Core::CPUState, gs_cached));
break;
default: break; // Do nothing
}
}
OrderedNode *OpDispatchBuilder::LoadSource_WithOpSize(FEXCore::IR::RegisterClassType Class, FEXCore::X86Tables::DecodedOp const& Op, FEXCore::X86Tables::DecodedOperand const& Operand, uint8_t OpSize, uint32_t Flags, int8_t Align, bool LoadData, bool ForceLoad, MemoryAccessType AccessType, bool AllowUpperGarbage) {
LOGMAN_THROW_A_FMT(Operand.IsGPR() ||
Operand.IsLiteral() ||
Operand.IsGPRDirect() ||
Operand.IsGPRIndirect() ||
Operand.IsRIPRelative() ||
Operand.IsSIB(),
"Unsupported Src type");
OrderedNode *Src {nullptr};
bool LoadableType = false;
const uint8_t GPRSize = CTX->GetGPRSize();
const uint32_t AddrSize = (Op->Flags & X86Tables::DecodeFlags::FLAG_ADDRESS_SIZE) != 0 ? (GPRSize >> 1) : GPRSize;
if (Operand.IsLiteral()) {
uint64_t constant = Operand.Data.Literal.Value;
uint64_t width = Operand.Data.Literal.Size * 8;
if (Operand.Data.Literal.Size != 8) {
// zero extend
constant = constant & ((1ULL << width) - 1);
}
Src = _Constant(width, constant);
}
else if (Operand.IsGPR()) {
const auto gpr = Operand.Data.GPR.GPR;
const auto highIndex = Operand.Data.GPR.HighBits ? 1 : 0;
if (gpr >= FEXCore::X86State::REG_MM_0) {
Src = _LoadContext(OpSize, FPRClass, offsetof(FEXCore::Core::CPUState, mm[gpr - FEXCore::X86State::REG_MM_0]));
}
else if (gpr >= FEXCore::X86State::REG_XMM_0) {
const auto gprIndex = gpr - X86State::REG_XMM_0;
// Load the full register size if it is a XMM register source.
Src = LoadXMMRegister(gprIndex);
// Now extract the subregister if it was a partial load /smaller/ than SSE size
// TODO: Instead of doing the VMov implicitly on load, hunt down all use cases that require partial loads and do it after load.
// We don't have information here to know if the operation needs zero upper bits or can contain data.
if (!AllowUpperGarbage && OpSize < Core::CPUState::XMM_SSE_REG_SIZE) {
Src = _VMov(OpSize, Src);
}
}
else {
Src = LoadGPRRegister(gpr, OpSize, highIndex ? 8 : 0, AllowUpperGarbage);
}
}
else if (Operand.IsGPRDirect()) {
Src = LoadGPRRegister(Operand.Data.GPR.GPR, GPRSize);
LoadableType = true;
if (Operand.Data.GPR.GPR == FEXCore::X86State::REG_RSP && AccessType == MemoryAccessType::ACCESS_DEFAULT) {
AccessType = MemoryAccessType::ACCESS_NONTSO;
}
}
else if (Operand.IsGPRIndirect()) {
auto GPR = LoadGPRRegister(Operand.Data.GPRIndirect.GPR, GPRSize);
auto Constant = _Constant(GPRSize * 8, Operand.Data.GPRIndirect.Displacement);
Src = _Add(IR::SizeToOpSize(GPRSize), GPR, Constant);
LoadableType = true;
if (Operand.Data.GPRIndirect.GPR == FEXCore::X86State::REG_RSP && AccessType == MemoryAccessType::ACCESS_DEFAULT) {
AccessType = MemoryAccessType::ACCESS_NONTSO;
}
}
else if (Operand.IsRIPRelative()) {
if (CTX->Config.Is64BitMode) {
Src = GetRelocatedPC(Op, Operand.Data.RIPLiteral.Value.s);
}
else {
// 32bit this isn't RIP relative but instead absolute
Src = _Constant(GPRSize * 8, Operand.Data.RIPLiteral.Value.u);
}
LoadableType = true;
}
else if (Operand.IsSIB()) {
const bool IsVSIB = (Op->Flags & X86Tables::DecodeFlags::FLAG_VSIB_BYTE) != 0;
OrderedNode *Tmp{};
// NOTE: VSIB cannot have the index * scale portion calculated ahead of time,
// since the index in this case is a vector. So, we can't just apply the scale
// to it, since this needs to be applied to each element in the index register
// after said element has been sign extended. So, we pass this through for the
// instruction implementation to handle.
//
// What we do handle though, is the applying the displacement value to
// the base register (if a base register is provided), since this is a
// part of the address calculation that can be done ahead of time.
if (Operand.Data.SIB.Index != FEXCore::X86State::REG_INVALID && !IsVSIB) {
Tmp = LoadGPRRegister(Operand.Data.SIB.Index, GPRSize);
if (Operand.Data.SIB.Scale != 1) {
auto Constant = _Constant(GPRSize * 8, Operand.Data.SIB.Scale);
Tmp = _Mul(IR::SizeToOpSize(GPRSize), Tmp, Constant);
}
if (Operand.Data.SIB.Index == FEXCore::X86State::REG_RSP && AccessType == MemoryAccessType::ACCESS_DEFAULT) {
AccessType = MemoryAccessType::ACCESS_NONTSO;
}
}
if (Operand.Data.SIB.Base != FEXCore::X86State::REG_INVALID) {
auto GPR = LoadGPRRegister(Operand.Data.SIB.Base, GPRSize);
if (Tmp != nullptr) {
Tmp = _Add(IR::SizeToOpSize(GPRSize), Tmp, GPR);
}
else {
Tmp = GPR;
}
if (Operand.Data.SIB.Base == FEXCore::X86State::REG_RSP && AccessType == MemoryAccessType::ACCESS_DEFAULT) {
AccessType = MemoryAccessType::ACCESS_NONTSO;
}
}
if (Operand.Data.SIB.Offset) {
if (Tmp != nullptr) {
Src = _Add(IR::SizeToOpSize(GPRSize), Tmp, _Constant(GPRSize * 8, Operand.Data.SIB.Offset));
}
else {
Src = _Constant(GPRSize * 8, Operand.Data.SIB.Offset);
}
}
else {
if (Tmp != nullptr) {
Src = Tmp;
}
else {
Src = _Constant(GPRSize * 8, 0);
}
}
LoadableType = true;
}
else {
LOGMAN_MSG_A_FMT("Unknown Src Type: {}\n", Operand.Type);
}
if (LoadableType && AddrSize < GPRSize) {
// For 64-bit AddrSize can be 32-bit or 64-bit
// For 32-bit AddrSize can be 32-bit or 16-bit
//
// If the AddrSize is not the GPRSize then we need to clear the upper bits.
Src = _Bfe(IR::SizeToOpSize(GPRSize), AddrSize * 8, 0, Src);
}
if ((LoadableType && LoadData) || ForceLoad) {
Src = AppendSegmentOffset(Src, Flags);
if (AccessType == MemoryAccessType::ACCESS_NONTSO || AccessType == MemoryAccessType::ACCESS_STREAM) {
Src = _LoadMem(Class, OpSize, Src, Align == -1 ? OpSize : Align);
}
else {
Src = _LoadMemAutoTSO(Class, OpSize, Src, Align == -1 ? OpSize : Align);
}
}
return Src;
}
OrderedNode *OpDispatchBuilder::GetRelocatedPC(FEXCore::X86Tables::DecodedOp const& Op, int64_t Offset) {
const uint8_t GPRSize = CTX->GetGPRSize();
return _EntrypointOffset(IR::SizeToOpSize(GPRSize), Op->PC + Op->InstSize + Offset - Entry);
}
OrderedNode *OpDispatchBuilder::LoadGPRRegister(uint32_t GPR, int8_t Size, uint8_t Offset, bool AllowUpperGarbage) {
const uint8_t GPRSize = CTX->GetGPRSize();
if (Size == -1) {
Size = GPRSize;
}
OrderedNode *Reg = _LoadRegister(false, offsetof(FEXCore::Core::CPUState, gregs[GPR]), GPRClass, GPRFixedClass, GPRSize);
if ((!AllowUpperGarbage && (Size != GPRSize)) || Offset != 0) {
// Extract the subregister if requested.
const auto OpSize = IR::SizeToOpSize(std::max<uint8_t>(4u, Size));
if (AllowUpperGarbage)
Reg = _Lshr(OpSize, Reg, _Constant(Offset));
else
Reg = _Bfe(OpSize, Size * 8, Offset, Reg);
}
return Reg;
}
OrderedNode *OpDispatchBuilder::LoadXMMRegister(uint32_t XMM) {
const auto VectorSize = CTX->HostFeatures.SupportsAVX ? 32 : 16;
const auto VectorOffset = CTX->HostFeatures.SupportsAVX ?
offsetof(Core::CPUState, xmm.avx.data[XMM][0]) :
offsetof(Core::CPUState, xmm.sse.data[XMM][0]);
OrderedNode *Reg = _LoadRegister(false, VectorOffset, FPRClass, FPRFixedClass, VectorSize);
return Reg;
}
void OpDispatchBuilder::StoreGPRRegister(uint32_t GPR, OrderedNode *const Src, int8_t Size, uint8_t Offset) {
const uint8_t GPRSize = CTX->GetGPRSize();
if (Size == -1) {
Size = GPRSize;
}
OrderedNode *Reg = Src;
if (Size != GPRSize || Offset != 0) {
// Need to do an insert if not automatic size or zero offset.
Reg = LoadGPRRegister(GPR);
Reg = _Bfi(IR::SizeToOpSize(GPRSize), Size * 8, Offset, Reg, Src);
}
_StoreRegister(Reg, false, offsetof(FEXCore::Core::CPUState, gregs[GPR]), GPRClass, GPRFixedClass, GPRSize);
}
void OpDispatchBuilder::StoreXMMRegister(uint32_t XMM, OrderedNode *const Src) {
const auto VectorSize = CTX->HostFeatures.SupportsAVX ? 32 : 16;
const auto VectorOffset = CTX->HostFeatures.SupportsAVX ?
offsetof(Core::CPUState, xmm.avx.data[XMM][0]) :
offsetof(Core::CPUState, xmm.sse.data[XMM][0]);
_StoreRegister(Src, false, VectorOffset, FPRClass, FPRFixedClass, VectorSize);
}
OrderedNode *OpDispatchBuilder::LoadSource(FEXCore::IR::RegisterClassType Class, FEXCore::X86Tables::DecodedOp const& Op, FEXCore::X86Tables::DecodedOperand const& Operand, uint32_t Flags, int8_t Align, bool LoadData, bool ForceLoad, MemoryAccessType AccessType, bool AllowUpperGarbage) {
const uint8_t OpSize = GetSrcSize(Op);
return LoadSource_WithOpSize(Class, Op, Operand, OpSize, Flags, Align, LoadData, ForceLoad, AccessType, AllowUpperGarbage);
}
void OpDispatchBuilder::StoreResult_WithOpSize(FEXCore::IR::RegisterClassType Class, FEXCore::X86Tables::DecodedOp Op, FEXCore::X86Tables::DecodedOperand const& Operand, OrderedNode *const Src, uint8_t OpSize, int8_t Align, MemoryAccessType AccessType) {
LOGMAN_THROW_A_FMT(Operand.IsGPR() ||
Operand.IsLiteral() ||
Operand.IsGPRDirect() ||
Operand.IsGPRIndirect() ||
Operand.IsRIPRelative() ||
Operand.IsSIB(),
"Unsupported Dest type");
// 8Bit and 16bit destination types store their result without effecting the upper bits
// 32bit ops ZEXT the result to 64bit
OrderedNode *MemStoreDst {nullptr};
bool MemStore = false;
const uint8_t GPRSize = CTX->GetGPRSize();
const uint32_t AddrSize = (Op->Flags & X86Tables::DecodeFlags::FLAG_ADDRESS_SIZE) != 0 ? (GPRSize >> 1) : GPRSize;
if (Operand.IsLiteral()) {
MemStoreDst = _Constant(Operand.Data.Literal.Size * 8, Operand.Data.Literal.Value);
MemStore = true; // Literals are ONLY hardcoded memory destinations
}
else if (Operand.IsGPR()) {
const auto gpr = Operand.Data.GPR.GPR;
if (gpr >= FEXCore::X86State::REG_MM_0) {
_StoreContext(OpSize, Class, Src, offsetof(FEXCore::Core::CPUState, mm[gpr - FEXCore::X86State::REG_MM_0]));
}
else if (gpr >= FEXCore::X86State::REG_XMM_0) {
const auto gprIndex = gpr - X86State::REG_XMM_0;
const auto VectorSize = CTX->HostFeatures.SupportsAVX ? 32 : 16;
auto Result = Src;
if (OpSize != VectorSize) {
// Partial writes can come from FPRs.
// TODO: Fix the instructions doing partial writes rather than dealing with it here.
LOGMAN_THROW_A_FMT(Class != IR::GPRClass, "Partial writes from GPR not allowed. Instruction: {}",
Op->TableInfo->Name);
// OpSize of 16 is special in that it is expected to zero the upper bits of the 256-bit operation.
// TODO: Longer term we should enforce the difference between zero and insert.
if (VectorSize == Core::CPUState::XMM_AVX_REG_SIZE && OpSize == Core::CPUState::XMM_SSE_REG_SIZE) {
Result = _VMov(OpSize, Src);
} else {
auto SrcVector = LoadXMMRegister(gprIndex);
Result = _VInsElement(VectorSize, OpSize, 0, 0, SrcVector, Src);
}
}
StoreXMMRegister(gprIndex, Result);
}
else {
if (GPRSize == 8 && OpSize == 4) {
// If the Source IR op is 64 bits, we need to zext the upper bits
// For all other sizes, the upper bits are guaranteed to already be zero
OrderedNode *Value = GetOpSize(Src) == 8 ? _Bfe(OpSize::i32Bit, 32, 0, Src) : Src;
StoreGPRRegister(gpr, Value, GPRSize);
LOGMAN_THROW_AA_FMT(!Operand.Data.GPR.HighBits, "Can't handle 32bit store to high 8bit register");
}
else {
LOGMAN_THROW_AA_FMT(!(GPRSize == 4 && OpSize > 4), "Oops had a {} GPR load", OpSize);
if (GPRSize != OpSize) {
// if the GPR isn't the full size then we need to insert.
// eg:
// mov al, 2 ; Move in to lower 8-bits.
// mov ah, 2 ; Move in to upper 8-bits of 16-bit reg.
// mov ax, 2 ; Move in to lower 16-bits of reg.
StoreGPRRegister(gpr, Src, OpSize, Operand.Data.GPR.HighBits * 8);
}
else {
StoreGPRRegister(gpr, Src, std::min(GPRSize, OpSize));
}
}
}
}
else if (Operand.IsGPRDirect()) {
MemStoreDst = LoadGPRRegister(Operand.Data.GPR.GPR, GPRSize);
MemStore = true;
if (Operand.Data.GPR.GPR == FEXCore::X86State::REG_RSP && AccessType == MemoryAccessType::ACCESS_DEFAULT) {
AccessType = MemoryAccessType::ACCESS_NONTSO;
}
}
else if (Operand.IsGPRIndirect()) {
auto GPR = LoadGPRRegister(Operand.Data.GPRIndirect.GPR, GPRSize);
auto Constant = _Constant(GPRSize * 8, Operand.Data.GPRIndirect.Displacement);
MemStoreDst = _Add(IR::SizeToOpSize(GPRSize), GPR, Constant);
MemStore = true;
if (Operand.Data.GPRIndirect.GPR == FEXCore::X86State::REG_RSP && AccessType == MemoryAccessType::ACCESS_DEFAULT) {
AccessType = MemoryAccessType::ACCESS_NONTSO;
}
}
else if (Operand.IsRIPRelative()) {
if (CTX->Config.Is64BitMode) {
MemStoreDst = GetRelocatedPC(Op, Operand.Data.RIPLiteral.Value.s);
}
else {
// 32bit this isn't RIP relative but instead absolute
MemStoreDst = _Constant(GPRSize * 8, Operand.Data.RIPLiteral.Value.u);
}
MemStore = true;
}
else if (Operand.IsSIB()) {
OrderedNode *Tmp {};
if (Operand.Data.SIB.Index != FEXCore::X86State::REG_INVALID) {
Tmp = LoadGPRRegister(Operand.Data.SIB.Index, GPRSize);
if (Operand.Data.SIB.Scale != 1) {
auto Constant = _Constant(GPRSize * 8, Operand.Data.SIB.Scale);
Tmp = _Mul(IR::SizeToOpSize(GPRSize), Tmp, Constant);
}
}
if (Operand.Data.SIB.Base != FEXCore::X86State::REG_INVALID) {
auto GPR = LoadGPRRegister(Operand.Data.SIB.Base, GPRSize);
if (Tmp != nullptr) {
Tmp = _Add(IR::SizeToOpSize(GPRSize), Tmp, GPR);
}
else {
Tmp = GPR;
}
}
if (Operand.Data.SIB.Offset) {
if (Tmp != nullptr) {
MemStoreDst = _Add(IR::SizeToOpSize(GPRSize), Tmp, _Constant(GPRSize * 8, Operand.Data.SIB.Offset));
}
else {
MemStoreDst = _Constant(GPRSize * 8, Operand.Data.SIB.Offset);
}
}
else {
if (Tmp != nullptr) {
MemStoreDst = Tmp;
}
else {
MemStoreDst = _Constant(GPRSize * 8, 0);
}
}
if (AddrSize < GPRSize) {
// If AddrSize == 16 then we need to clear the upper bits
// GPRSize will be 32 in this case
MemStoreDst = _Bfe(IR::SizeToOpSize(std::max<uint8_t>(4u, AddrSize)), AddrSize * 8, 0, MemStoreDst);
}
MemStore = true;
}
if (MemStore) {
MemStoreDst = AppendSegmentOffset(MemStoreDst, Op->Flags);
if (OpSize == 10) {
// For X87 extended doubles, split before storing
_StoreMem(FPRClass, 8, MemStoreDst, Src, Align);
auto Upper = _VExtractToGPR(16, 8, Src, 1);
auto DestAddr = _Add(OpSize::i64Bit, MemStoreDst, _Constant(8));
_StoreMem(GPRClass, 2, DestAddr, Upper, std::min<uint8_t>(Align, 8));
} else {
if (AccessType == MemoryAccessType::ACCESS_NONTSO || AccessType == MemoryAccessType::ACCESS_STREAM) {
_StoreMem(Class, OpSize, MemStoreDst, Src, Align == -1 ? OpSize : Align);
}
else {
_StoreMemAutoTSO(Class, OpSize, MemStoreDst, Src, Align == -1 ? OpSize : Align);
}
}
}
}
void OpDispatchBuilder::StoreResult(FEXCore::IR::RegisterClassType Class, FEXCore::X86Tables::DecodedOp Op, FEXCore::X86Tables::DecodedOperand const& Operand, OrderedNode *const Src, int8_t Align, MemoryAccessType AccessType) {
StoreResult_WithOpSize(Class, Op, Operand, Src, GetDstSize(Op), Align, AccessType);
}
void OpDispatchBuilder::StoreResult(FEXCore::IR::RegisterClassType Class, FEXCore::X86Tables::DecodedOp Op, OrderedNode *const Src, int8_t Align, MemoryAccessType AccessType) {
StoreResult(Class, Op, Op->Dest, Src, Align, AccessType);
}
OpDispatchBuilder::OpDispatchBuilder(FEXCore::Context::ContextImpl *ctx)
: IREmitter {ctx->OpDispatcherAllocator}
, CTX {ctx} {
ResetWorkingList();
InstallHostSpecificOpcodeHandlers();
}
OpDispatchBuilder::OpDispatchBuilder(FEXCore::Utils::IntrusivePooledAllocator &Allocator)
: IREmitter {Allocator}
, CTX {nullptr} {
}
void OpDispatchBuilder::ResetWorkingList() {
IREmitter::ResetWorkingList();
JumpTargets.clear();
BlockSetRIP = false;
DecodeFailure = false;
ShouldDump = false;
CurrentCodeBlock = nullptr;
}
void OpDispatchBuilder::UnhandledOp(OpcodeArgs) {
DecodeFailure = true;
}
template<uint32_t SrcIndex>
void OpDispatchBuilder::MOVGPROp(OpcodeArgs) {
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[SrcIndex], Op->Flags, 1);
StoreResult(GPRClass, Op, Src, 1);
}
void OpDispatchBuilder::MOVGPRNTOp(OpcodeArgs) {
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, 1);
StoreResult(GPRClass, Op, Src, 1, MemoryAccessType::ACCESS_STREAM);
}
void OpDispatchBuilder::ALUOpImpl(OpcodeArgs, FEXCore::IR::IROps ALUIROp, FEXCore::IR::IROps AtomicFetchOp) {
auto Size = GetDstSize(Op);
const auto OpSize = Size == 8 ? OpSize::i64Bit : OpSize::i32Bit;
// Logical ops can tolerate garbage in the upper bits, so don't mask.
bool AllowUpperGarbage = ALUIROp == FEXCore::IR::IROps::OP_AND ||
ALUIROp == FEXCore::IR::IROps::OP_XOR ||
ALUIROp == FEXCore::IR::IROps::OP_OR;
// X86 basic ALU ops just do the operation between the destination and a single source
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1, true, false, MemoryAccessType::ACCESS_DEFAULT, AllowUpperGarbage);
OrderedNode *Result{};
OrderedNode *Dest{};
if (DestIsLockedMem(Op)) {
HandledLock = true;
OrderedNode *DestMem = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
DestMem = AppendSegmentOffset(DestMem, Op->Flags);
auto FetchOp = _AtomicFetchAdd(IR::SizeToOpSize(Size), Src, DestMem);
// Overwrite our atomic op type
FetchOp.first->Header.Op = AtomicFetchOp;
Dest = FetchOp;
auto ALUOp = _Add(OpSize, Dest, Src);
// Overwrite our IR's op type
ALUOp.first->Header.Op = ALUIROp;
Result = ALUOp;
}
else {
Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, true, false, MemoryAccessType::ACCESS_DEFAULT, AllowUpperGarbage);
/* On x86, the canonical way to zero a register is XOR with itself...
* because modern x86 detects this pattern in hardware. arm64 does not
* detect this pattern, we should do it like the x86 hardware would. On
* arm64, "mov x0, #0" is faster than "eor x0, x0, x0". Additionally this
* lets more constant folding kick in for flags.
*/
if (ALUIROp == FEXCore::IR::IROps::OP_XOR &&
Op->Dest.IsGPR() && Op->Src[0].IsGPR() &&
Op->Dest.Data.GPR == Op->Src[0].Data.GPR) {
Result = _Constant(0);
} else {
auto ALUOp = _Add(OpSize, Dest, Src);
// Overwrite our IR's op type
ALUOp.first->Header.Op = ALUIROp;
Result = ALUOp;
}
StoreResult(GPRClass, Op, Result, -1);
}
// Flags set
{
switch (ALUIROp) {
case FEXCore::IR::IROps::OP_ADD:
GenerateFlags_ADD(Op, Result, Dest, Src);
break;
case FEXCore::IR::IROps::OP_SUB:
GenerateFlags_SUB(Op, Result, Dest, Src);
break;
case FEXCore::IR::IROps::OP_AND:
case FEXCore::IR::IROps::OP_XOR:
case FEXCore::IR::IROps::OP_OR: {
GenerateFlags_Logical(Op, Result, Dest, Src);
break;
}
default: break;
}
}
}
template<FEXCore::IR::IROps ALUIROp, FEXCore::IR::IROps AtomicFetchOp>
void OpDispatchBuilder::ALUOp(OpcodeArgs) {
ALUOpImpl(Op, ALUIROp, AtomicFetchOp);
}
void OpDispatchBuilder::INTOp(OpcodeArgs) {
IR::BreakDefinition Reason;
bool SetRIPToNext = false;
switch (Op->OP) {
case 0xCD: { // INT imm8
uint8_t Literal = Op->Src[0].Data.Literal.Value;
#ifndef _WIN32
constexpr uint8_t SYSCALL_LITERAL = 0x80;
#else
constexpr uint8_t SYSCALL_LITERAL = 0x2E;
#endif
if (Literal == SYSCALL_LITERAL) {
// Syscall on linux
SyscallOp(Op);
return;
}
Reason.ErrorRegister = Literal << 3 | (0b010);
Reason.Signal = Core::FAULT_SIGSEGV;
// GP is raised when task-gate isn't setup to be valid
Reason.TrapNumber = X86State::X86_TRAPNO_GP;
Reason.si_code = 0x80;
break;
}
case 0xCE: // INTO
Reason.ErrorRegister = 0;
Reason.Signal = Core::FAULT_SIGSEGV;
Reason.TrapNumber = X86State::X86_TRAPNO_OF;
Reason.si_code = 0x80;
break;
case 0xF1: // INT1
Reason.ErrorRegister = 0;
Reason.Signal = Core::FAULT_SIGTRAP;
Reason.TrapNumber = X86State::X86_TRAPNO_DB;
Reason.si_code = 1;
SetRIPToNext = true;
break;
case 0xF4: { // HLT
Reason.ErrorRegister = 0;
Reason.Signal = Core::FAULT_SIGSEGV;
Reason.TrapNumber = X86State::X86_TRAPNO_GP;
Reason.si_code = 0x80;
break;
}
case 0x0B: // UD2
Reason.ErrorRegister = 0;
Reason.Signal = Core::FAULT_SIGILL;
Reason.TrapNumber = X86State::X86_TRAPNO_UD;
Reason.si_code = 2;
break;
case 0xCC: // INT3
Reason.ErrorRegister = 0;
Reason.Signal = Core::FAULT_SIGTRAP;
Reason.TrapNumber = X86State::X86_TRAPNO_BP;
Reason.si_code = 0x80;
SetRIPToNext = true;
break;
}
// Calculate flags early.
CalculateDeferredFlags();
const uint8_t GPRSize = CTX->GetGPRSize();
if (SetRIPToNext) {
BlockSetRIP = SetRIPToNext;
// We want to set RIP to the next instruction after INT3/INT1
auto NewRIP = GetRelocatedPC(Op);
_StoreContext(GPRSize, GPRClass, NewRIP, offsetof(FEXCore::Core::CPUState, rip));
}
else if (Op->OP != 0xCE) {
auto NewRIP = GetRelocatedPC(Op, -Op->InstSize);
_StoreContext(GPRSize, GPRClass, NewRIP, offsetof(FEXCore::Core::CPUState, rip));
}
if (Op->OP == 0xCE) { // Conditional to only break if Overflow == 1
auto Flag = GetRFLAG(FEXCore::X86State::RFLAG_OF_RAW_LOC);
CalculateDeferredFlags();
// If condition doesn't hold then keep going
auto CondJump = _CondJump(Flag, {COND_EQ});
auto FalseBlock = CreateNewCodeBlockAfter(GetCurrentBlock());
SetFalseJumpTarget(CondJump, FalseBlock);
SetCurrentCodeBlock(FalseBlock);
StartNewBlock();
auto NewRIP = GetRelocatedPC(Op);
_StoreContext(GPRSize, GPRClass, NewRIP, offsetof(FEXCore::Core::CPUState, rip));
_Break(Reason);
// Make sure to start a new block after ending this one
auto JumpTarget = CreateNewCodeBlockAfter(FalseBlock);
SetTrueJumpTarget(CondJump, JumpTarget);
SetCurrentCodeBlock(JumpTarget);
StartNewBlock();
}
else {
BlockSetRIP = true;
_Break(Reason);
}
}
void OpDispatchBuilder::TZCNT(OpcodeArgs) {
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
Src = _FindTrailingZeroes(OpSizeFromSrc(Op), Src);
StoreResult(GPRClass, Op, Src, -1);
GenerateFlags_TZCNT(Op, Src);
}
void OpDispatchBuilder::LZCNT(OpcodeArgs) {
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1);
auto Res = _CountLeadingZeroes(OpSizeFromSrc(Op), Src);
StoreResult(GPRClass, Op, Res, -1);
GenerateFlags_LZCNT(Op, Src);
}
void OpDispatchBuilder::MOVBEOp(OpcodeArgs) {
const uint8_t GPRSize = CTX->GetGPRSize();
const auto SrcSize = GetSrcSize(Op);
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, 1);
Src = _Rev(IR::SizeToOpSize(std::max<uint8_t>(4u, SrcSize)), Src);
if (SrcSize == 2) {
// 16-bit does an insert.
// Rev of 16-bit value as 32-bit replaces the result in the upper 16-bits of the result.
// bfxil the 16-bit result in to the GPR.
OrderedNode *Dest = LoadSource_WithOpSize(GPRClass, Op, Op->Dest, GPRSize, Op->Flags, -1);
auto Result = _Bfxil(IR::SizeToOpSize(GPRSize), 16, 16, Dest, Src);
StoreResult_WithOpSize(GPRClass, Op, Op->Dest, Result, GPRSize, -1);
}
else {
// 32-bit does regular zext
StoreResult(GPRClass, Op, Op->Dest, Src, -1);
}
}
void OpDispatchBuilder::CLWB(OpcodeArgs) {
OrderedNode *DestMem = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
DestMem = AppendSegmentOffset(DestMem, Op->Flags);
_CacheLineClean(DestMem);
}
void OpDispatchBuilder::CLFLUSHOPT(OpcodeArgs) {
OrderedNode *DestMem = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
DestMem = AppendSegmentOffset(DestMem, Op->Flags);
_CacheLineClear(DestMem, false);
}
void OpDispatchBuilder::LoadFenceOrXRSTOR(OpcodeArgs) {
// 0xE8 signifies LFENCE
if (Op->ModRM == 0xE8) {
_Fence(IR::Fence_Load);
} else {
XRstorOpImpl(Op);
}
}
void OpDispatchBuilder::MemFenceOrXSAVEOPT(OpcodeArgs) {
if (Op->ModRM == 0xF0) {
// 0xF0 is MFENCE
_Fence(FEXCore::IR::Fence_LoadStore);
}
else {
LogMan::Msg::EFmt("Application tried using XSAVEOPT");
UnimplementedOp(Op);
}
}
void OpDispatchBuilder::StoreFenceOrCLFlush(OpcodeArgs) {
if (Op->ModRM == 0xF8) {
// 0xF8 is SFENCE
_Fence({FEXCore::IR::Fence_Store});
}
else {
// This is a CLFlush
OrderedNode *DestMem = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, -1, false);
DestMem = AppendSegmentOffset(DestMem, Op->Flags);
_CacheLineClear(DestMem, true);
}
}
void OpDispatchBuilder::CLZeroOp(OpcodeArgs) {
OrderedNode *DestMem = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, -1, false);
_CacheLineZero(DestMem);
}
void OpDispatchBuilder::RDTSCPOp(OpcodeArgs) {
// RDTSCP is slightly different than RDTSC
// IA32_TSC_AUX is returned in RCX
// All previous loads are globally visible
// - Explicitly does not wait for stores to be globally visible
// - Explicitly use an MFENCE before this instruction if you want this behaviour
// This instruction is not an execution fence, so subsequent instructions can execute after this
// - Explicitly use an LFENCE after RDTSCP if you want to block this behaviour
_Fence({FEXCore::IR::Fence_Load});
auto Counter = _CycleCounter();
auto CounterLow = _Bfe(OpSize::i64Bit, 32, 0, Counter);
auto CounterHigh = _Bfe(OpSize::i64Bit, 32, 32, Counter);
auto ID = _ProcessorID();
StoreGPRRegister(X86State::REG_RAX, CounterLow);
StoreGPRRegister(X86State::REG_RCX, ID);
StoreGPRRegister(X86State::REG_RDX, CounterHigh);
}
void OpDispatchBuilder::CRC32(OpcodeArgs) {
const uint8_t GPRSize = CTX->GetGPRSize();
// Destination GPR size is always 4 or 8 bytes depending on widening
uint8_t DstSize = Op->Flags & FEXCore::X86Tables::DecodeFlags::FLAG_REX_WIDENING ? 8 : 4;
OrderedNode *Dest = LoadSource_WithOpSize(GPRClass, Op, Op->Dest, GPRSize, Op->Flags, -1);
// Incoming memory is 8, 16, 32, or 64
OrderedNode *Src{};
if (Op->Src[0].IsGPR()) {
Src = LoadSource_WithOpSize(GPRClass, Op, Op->Src[0], GPRSize, Op->Flags, -1);
}
else {
Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, 1);
}
auto Result = _CRC32(Dest, Src, GetSrcSize(Op));
StoreResult_WithOpSize(GPRClass, Op, Op->Dest, Result, DstSize, -1);
}
template<bool Reseed>
void OpDispatchBuilder::RDRANDOp(OpcodeArgs) {
auto Res = _RDRAND(Reseed);
OrderedNode *Result_Lower = _ExtractElementPair(OpSize::i64Bit, Res, 0);
OrderedNode *Result_Upper = _ExtractElementPair(OpSize::i64Bit, Res, 1);
StoreResult(GPRClass, Op, Result_Lower, -1);
GenerateFlags_RDRAND(Op, Result_Upper);
}
void OpDispatchBuilder::UnimplementedOp(OpcodeArgs) {
// Ensure flags are calculated on invalid op.
CalculateDeferredFlags();
const uint8_t GPRSize = CTX->GetGPRSize();
// We don't actually support this instruction
// Multiblock may hit it though
_StoreContext(GPRSize, GPRClass, GetRelocatedPC(Op, -Op->InstSize), offsetof(FEXCore::Core::CPUState, rip));
_Break(FEXCore::IR::BreakDefinition {
.ErrorRegister = 0,
.Signal = SIGILL,
.TrapNumber = 0,
.si_code = 0,
});
BlockSetRIP = true;
if (Multiblock) {
auto NextBlock = CreateNewCodeBlockAfter(GetCurrentBlock());
SetCurrentCodeBlock(NextBlock);
StartNewBlock();
}
}
void OpDispatchBuilder::InvalidOp(OpcodeArgs) {
// Ensure flags are calculated on invalid op.
CalculateDeferredFlags();
const uint8_t GPRSize = CTX->GetGPRSize();
// We don't actually support this instruction
// Multiblock may hit it though
_StoreContext(GPRSize, GPRClass, GetRelocatedPC(Op, -Op->InstSize), offsetof(FEXCore::Core::CPUState, rip));
_Break(FEXCore::IR::BreakDefinition {
.ErrorRegister = 0,
.Signal = SIGILL,
.TrapNumber = 0,
.si_code = 0,
});
BlockSetRIP = true;
}
#undef OpcodeArgs
void OpDispatchBuilder::InstallHostSpecificOpcodeHandlers() {
static bool Initialized = false;
if (!CTX || Initialized) {
// IRCompaction doesn't set a CTX and doesn't need this anyway
return;
}
#define OPD(prefix, opcode) (((prefix) << 8) | opcode)
constexpr uint16_t PF_38_NONE = 0;
constexpr uint16_t PF_38_66 = (1U << 0);
constexpr uint16_t PF_38_F2 = (1U << 1);
constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> H0F38_SHA[] = {
{OPD(PF_38_NONE, 0xC8), 1, &OpDispatchBuilder::SHA1NEXTEOp},
{OPD(PF_38_NONE, 0xC9), 1, &OpDispatchBuilder::SHA1MSG1Op},
{OPD(PF_38_NONE, 0xCA), 1, &OpDispatchBuilder::SHA1MSG2Op},
{OPD(PF_38_NONE, 0xCB), 1, &OpDispatchBuilder::SHA256RNDS2Op},
{OPD(PF_38_NONE, 0xCC), 1, &OpDispatchBuilder::SHA256MSG1Op},
{OPD(PF_38_NONE, 0xCD), 1, &OpDispatchBuilder::SHA256MSG2Op},
};
constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> H0F38_AES[] = {
{OPD(PF_38_66, 0xDB), 1, &OpDispatchBuilder::AESImcOp},
{OPD(PF_38_66, 0xDC), 1, &OpDispatchBuilder::AESEncOp},
{OPD(PF_38_66, 0xDD), 1, &OpDispatchBuilder::AESEncLastOp},
{OPD(PF_38_66, 0xDE), 1, &OpDispatchBuilder::AESDecOp},
{OPD(PF_38_66, 0xDF), 1, &OpDispatchBuilder::AESDecLastOp},
};
constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> H0F38_CRC[] = {
{OPD(PF_38_F2, 0xF0), 1, &OpDispatchBuilder::CRC32},
{OPD(PF_38_F2, 0xF1), 1, &OpDispatchBuilder::CRC32},
{OPD(PF_38_66 | PF_38_F2, 0xF0), 1, &OpDispatchBuilder::CRC32},
{OPD(PF_38_66 | PF_38_F2, 0xF1), 1, &OpDispatchBuilder::CRC32},
};
#undef OPD
#define OPD(REX, prefix, opcode) ((REX << 9) | (prefix << 8) | opcode)
#define PF_3A_NONE 0
#define PF_3A_66 1
constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> H0F3A_AES[] = {
{OPD(0, PF_3A_66, 0xDF), 1, &OpDispatchBuilder::AESKeyGenAssist},
};
constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> H0F3A_PCLMUL[] = {
{OPD(0, PF_3A_66, 0x44), 1, &OpDispatchBuilder::PCLMULQDQOp},
};
#undef PF_3A_NONE
#undef PF_3A_66
#undef OPD
#define OPD(map_select, pp, opcode) (((map_select - 1) << 10) | (pp << 8) | (opcode))
constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> VEX_PCLMUL[] = {
{OPD(3, 0b01, 0x44), 1, &OpDispatchBuilder::VPCLMULQDQOp},
};
#undef OPD
#define OPD(group, prefix, Reg) (((group - FEXCore::X86Tables::TYPE_GROUP_6) << 5) | (prefix) << 3 | (Reg))
constexpr uint16_t PF_NONE = 0;
constexpr uint16_t PF_66 = 2;
constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> SecondaryExtensionOp_RDRAND[] = {
// GROUP 9
{OPD(FEXCore::X86Tables::TYPE_GROUP_9, PF_NONE, 6), 1, &OpDispatchBuilder::RDRANDOp<false>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_9, PF_NONE, 7), 1, &OpDispatchBuilder::RDRANDOp<true>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_9, PF_66, 6), 1, &OpDispatchBuilder::RDRANDOp<false>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_9, PF_66, 7), 1, &OpDispatchBuilder::RDRANDOp<true>},
};
#undef OPD
constexpr std::tuple<uint8_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> SecondaryModRMExtensionOp_CLZero[] = {
{((3 << 3) | 4), 1, &OpDispatchBuilder::CLZeroOp},
};
#define OPD(map_select, pp, opcode) (((map_select - 1) << 10) | (pp << 8) | (opcode))
static constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> AVXTable[] = {
{OPD(1, 0b00, 0x10), 1, &OpDispatchBuilder::MOVUPS_MOVUPDOp},
{OPD(1, 0b01, 0x10), 1, &OpDispatchBuilder::MOVUPS_MOVUPDOp},
{OPD(1, 0b10, 0x10), 1, &OpDispatchBuilder::VMOVSSOp},
{OPD(1, 0b11, 0x10), 1, &OpDispatchBuilder::VMOVSDOp},
{OPD(1, 0b00, 0x11), 1, &OpDispatchBuilder::MOVUPS_MOVUPDOp},
{OPD(1, 0b01, 0x11), 1, &OpDispatchBuilder::MOVUPS_MOVUPDOp},
{OPD(1, 0b10, 0x11), 1, &OpDispatchBuilder::VMOVSSOp},
{OPD(1, 0b11, 0x11), 1, &OpDispatchBuilder::VMOVSDOp},
{OPD(1, 0b00, 0x12), 1, &OpDispatchBuilder::VMOVLPOp},
{OPD(1, 0b01, 0x12), 1, &OpDispatchBuilder::VMOVLPOp},
{OPD(1, 0b10, 0x12), 1, &OpDispatchBuilder::VMOVSLDUPOp},
{OPD(1, 0b11, 0x12), 1, &OpDispatchBuilder::VMOVDDUPOp},
{OPD(1, 0b00, 0x13), 1, &OpDispatchBuilder::VMOVLPOp},
{OPD(1, 0b01, 0x13), 1, &OpDispatchBuilder::VMOVLPOp},
{OPD(1, 0b00, 0x14), 1, &OpDispatchBuilder::VPUNPCKLOp<4>},
{OPD(1, 0b01, 0x14), 1, &OpDispatchBuilder::VPUNPCKLOp<8>},
{OPD(1, 0b00, 0x15), 1, &OpDispatchBuilder::VPUNPCKHOp<4>},
{OPD(1, 0b01, 0x15), 1, &OpDispatchBuilder::VPUNPCKHOp<8>},
{OPD(1, 0b00, 0x16), 1, &OpDispatchBuilder::VMOVHPOp},
{OPD(1, 0b01, 0x16), 1, &OpDispatchBuilder::VMOVHPOp},
{OPD(1, 0b10, 0x16), 1, &OpDispatchBuilder::VMOVSHDUPOp},
{OPD(1, 0b00, 0x17), 1, &OpDispatchBuilder::VMOVHPOp},
{OPD(1, 0b01, 0x17), 1, &OpDispatchBuilder::VMOVHPOp},
{OPD(1, 0b00, 0x28), 1, &OpDispatchBuilder::MOVAPS_MOVAPDOp},
{OPD(1, 0b01, 0x28), 1, &OpDispatchBuilder::MOVAPS_MOVAPDOp},
{OPD(1, 0b00, 0x29), 1, &OpDispatchBuilder::MOVAPS_MOVAPDOp},
{OPD(1, 0b01, 0x29), 1, &OpDispatchBuilder::MOVAPS_MOVAPDOp},
{OPD(1, 0b10, 0x2A), 1, &OpDispatchBuilder::AVXInsertCVTGPR_To_FPR<4>},
{OPD(1, 0b11, 0x2A), 1, &OpDispatchBuilder::AVXInsertCVTGPR_To_FPR<8>},
{OPD(1, 0b00, 0x2B), 1, &OpDispatchBuilder::MOVVectorNTOp},
{OPD(1, 0b01, 0x2B), 1, &OpDispatchBuilder::MOVVectorNTOp},
{OPD(1, 0b10, 0x2C), 1, &OpDispatchBuilder::CVTFPR_To_GPR<4, false>},
{OPD(1, 0b11, 0x2C), 1, &OpDispatchBuilder::CVTFPR_To_GPR<8, false>},
{OPD(1, 0b10, 0x2D), 1, &OpDispatchBuilder::CVTFPR_To_GPR<4, true>},
{OPD(1, 0b11, 0x2D), 1, &OpDispatchBuilder::CVTFPR_To_GPR<8, true>},
{OPD(1, 0b00, 0x2E), 1, &OpDispatchBuilder::UCOMISxOp<4>},
{OPD(1, 0b01, 0x2E), 1, &OpDispatchBuilder::UCOMISxOp<8>},
{OPD(1, 0b00, 0x2F), 1, &OpDispatchBuilder::UCOMISxOp<4>},
{OPD(1, 0b01, 0x2F), 1, &OpDispatchBuilder::UCOMISxOp<8>},
{OPD(1, 0b00, 0x50), 1, &OpDispatchBuilder::MOVMSKOp<4>},
{OPD(1, 0b01, 0x50), 1, &OpDispatchBuilder::MOVMSKOp<8>},
{OPD(1, 0b00, 0x51), 1, &OpDispatchBuilder::AVXVectorUnaryOp<IR::OP_VFSQRT, 4>},
{OPD(1, 0b01, 0x51), 1, &OpDispatchBuilder::AVXVectorUnaryOp<IR::OP_VFSQRT, 8>},
{OPD(1, 0b10, 0x51), 1, &OpDispatchBuilder::AVXVectorScalarUnaryInsertALUOp<IR::OP_VFSQRTSCALARINSERT, 4>},
{OPD(1, 0b11, 0x51), 1, &OpDispatchBuilder::AVXVectorScalarUnaryInsertALUOp<IR::OP_VFSQRTSCALARINSERT, 8>},
{OPD(1, 0b00, 0x52), 1, &OpDispatchBuilder::AVXVectorUnaryOp<IR::OP_VFRSQRT, 4>},
{OPD(1, 0b10, 0x52), 1, &OpDispatchBuilder::AVXVectorScalarUnaryInsertALUOp<IR::OP_VFRSQRTSCALARINSERT, 4>},
{OPD(1, 0b00, 0x53), 1, &OpDispatchBuilder::AVXVectorUnaryOp<IR::OP_VFRECP, 4>},
{OPD(1, 0b10, 0x53), 1, &OpDispatchBuilder::AVXVectorScalarUnaryInsertALUOp<IR::OP_VFRECPSCALARINSERT, 4>},
{OPD(1, 0b00, 0x54), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VAND, 16>},
{OPD(1, 0b01, 0x54), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VAND, 16>},
{OPD(1, 0b00, 0x55), 1, &OpDispatchBuilder::VANDNOp},
{OPD(1, 0b01, 0x55), 1, &OpDispatchBuilder::VANDNOp},
{OPD(1, 0b00, 0x56), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VOR, 16>},
{OPD(1, 0b01, 0x56), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VOR, 16>},
{OPD(1, 0b00, 0x57), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VXOR, 16>},
{OPD(1, 0b01, 0x57), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VXOR, 16>},
{OPD(1, 0b00, 0x58), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VFADD, 4>},
{OPD(1, 0b01, 0x58), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VFADD, 8>},
{OPD(1, 0b10, 0x58), 1, &OpDispatchBuilder::AVXVectorScalarInsertALUOp<IR::OP_VFADDSCALARINSERT, 4>},
{OPD(1, 0b11, 0x58), 1, &OpDispatchBuilder::AVXVectorScalarInsertALUOp<IR::OP_VFADDSCALARINSERT, 8>},
{OPD(1, 0b00, 0x59), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VFMUL, 4>},
{OPD(1, 0b01, 0x59), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VFMUL, 8>},
{OPD(1, 0b10, 0x59), 1, &OpDispatchBuilder::AVXVectorScalarInsertALUOp<IR::OP_VFMULSCALARINSERT, 4>},
{OPD(1, 0b11, 0x59), 1, &OpDispatchBuilder::AVXVectorScalarInsertALUOp<IR::OP_VFMULSCALARINSERT, 8>},
{OPD(1, 0b00, 0x5A), 1, &OpDispatchBuilder::Vector_CVT_Float_To_Float<8, 4>},
{OPD(1, 0b01, 0x5A), 1, &OpDispatchBuilder::Vector_CVT_Float_To_Float<4, 8>},
{OPD(1, 0b10, 0x5A), 1, &OpDispatchBuilder::AVXInsertScalar_CVT_Float_To_Float<8, 4>},
{OPD(1, 0b11, 0x5A), 1, &OpDispatchBuilder::AVXInsertScalar_CVT_Float_To_Float<4, 8>},
{OPD(1, 0b00, 0x5B), 1, &OpDispatchBuilder::AVXVector_CVT_Int_To_Float<4, false>},
{OPD(1, 0b01, 0x5B), 1, &OpDispatchBuilder::AVXVector_CVT_Float_To_Int<4, false, true>},
{OPD(1, 0b10, 0x5B), 1, &OpDispatchBuilder::AVXVector_CVT_Float_To_Int<4, false, false>},
{OPD(1, 0b00, 0x5C), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VFSUB, 4>},
{OPD(1, 0b01, 0x5C), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VFSUB, 8>},
{OPD(1, 0b10, 0x5C), 1, &OpDispatchBuilder::AVXVectorScalarInsertALUOp<IR::OP_VFSUBSCALARINSERT, 4>},
{OPD(1, 0b11, 0x5C), 1, &OpDispatchBuilder::AVXVectorScalarInsertALUOp<IR::OP_VFSUBSCALARINSERT, 8>},
{OPD(1, 0b00, 0x5D), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VFMIN, 4>},
{OPD(1, 0b01, 0x5D), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VFMIN, 8>},
{OPD(1, 0b10, 0x5D), 1, &OpDispatchBuilder::AVXVectorScalarInsertALUOp<IR::OP_VFMINSCALARINSERT, 4>},
{OPD(1, 0b11, 0x5D), 1, &OpDispatchBuilder::AVXVectorScalarInsertALUOp<IR::OP_VFMINSCALARINSERT, 8>},
{OPD(1, 0b00, 0x5E), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VFDIV, 4>},
{OPD(1, 0b01, 0x5E), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VFDIV, 8>},
{OPD(1, 0b10, 0x5E), 1, &OpDispatchBuilder::AVXVectorScalarInsertALUOp<IR::OP_VFDIVSCALARINSERT, 4>},
{OPD(1, 0b11, 0x5E), 1, &OpDispatchBuilder::AVXVectorScalarInsertALUOp<IR::OP_VFDIVSCALARINSERT, 8>},
{OPD(1, 0b00, 0x5F), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VFMAX, 4>},
{OPD(1, 0b01, 0x5F), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VFMAX, 8>},
{OPD(1, 0b10, 0x5F), 1, &OpDispatchBuilder::AVXVectorScalarInsertALUOp<IR::OP_VFMAXSCALARINSERT, 4>},
{OPD(1, 0b11, 0x5F), 1, &OpDispatchBuilder::AVXVectorScalarInsertALUOp<IR::OP_VFMAXSCALARINSERT, 8>},
{OPD(1, 0b01, 0x60), 1, &OpDispatchBuilder::VPUNPCKLOp<1>},
{OPD(1, 0b01, 0x61), 1, &OpDispatchBuilder::VPUNPCKLOp<2>},
{OPD(1, 0b01, 0x62), 1, &OpDispatchBuilder::VPUNPCKLOp<4>},
{OPD(1, 0b01, 0x63), 1, &OpDispatchBuilder::VPACKSSOp<2>},
{OPD(1, 0b01, 0x64), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VCMPGT, 1>},
{OPD(1, 0b01, 0x65), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VCMPGT, 2>},
{OPD(1, 0b01, 0x66), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VCMPGT, 4>},
{OPD(1, 0b01, 0x67), 1, &OpDispatchBuilder::VPACKUSOp<2>},
{OPD(1, 0b01, 0x68), 1, &OpDispatchBuilder::VPUNPCKHOp<1>},
{OPD(1, 0b01, 0x69), 1, &OpDispatchBuilder::VPUNPCKHOp<2>},
{OPD(1, 0b01, 0x6A), 1, &OpDispatchBuilder::VPUNPCKHOp<4>},
{OPD(1, 0b01, 0x6B), 1, &OpDispatchBuilder::VPACKSSOp<4>},
{OPD(1, 0b01, 0x6C), 1, &OpDispatchBuilder::VPUNPCKLOp<8>},
{OPD(1, 0b01, 0x6D), 1, &OpDispatchBuilder::VPUNPCKHOp<8>},
{OPD(1, 0b01, 0x6E), 1, &OpDispatchBuilder::MOVBetweenGPR_FPR},
{OPD(1, 0b01, 0x6F), 1, &OpDispatchBuilder::MOVAPS_MOVAPDOp},
{OPD(1, 0b10, 0x6F), 1, &OpDispatchBuilder::MOVUPS_MOVUPDOp},
{OPD(1, 0b01, 0x70), 1, &OpDispatchBuilder::VPSHUFWOp<4, true>},
{OPD(1, 0b10, 0x70), 1, &OpDispatchBuilder::VPSHUFWOp<2, false>},
{OPD(1, 0b11, 0x70), 1, &OpDispatchBuilder::VPSHUFWOp<2, true>},
{OPD(1, 0b01, 0x74), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VCMPEQ, 1>},
{OPD(1, 0b01, 0x75), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VCMPEQ, 2>},
{OPD(1, 0b01, 0x76), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VCMPEQ, 4>},
{OPD(1, 0b00, 0x77), 1, &OpDispatchBuilder::VZEROOp},
{OPD(1, 0b01, 0x7C), 1, &OpDispatchBuilder::VHADDPOp<IR::OP_VFADDP, 8>},
{OPD(1, 0b11, 0x7C), 1, &OpDispatchBuilder::VHADDPOp<IR::OP_VFADDP, 4>},
{OPD(1, 0b01, 0x7D), 1, &OpDispatchBuilder::VHSUBPOp<8>},
{OPD(1, 0b11, 0x7D), 1, &OpDispatchBuilder::VHSUBPOp<4>},
{OPD(1, 0b01, 0x7E), 1, &OpDispatchBuilder::MOVBetweenGPR_FPR},
{OPD(1, 0b10, 0x7E), 1, &OpDispatchBuilder::MOVQOp},
{OPD(1, 0b01, 0x7F), 1, &OpDispatchBuilder::MOVAPS_MOVAPDOp},
{OPD(1, 0b10, 0x7F), 1, &OpDispatchBuilder::MOVUPS_MOVUPDOp},
{OPD(1, 0b00, 0xC2), 1, &OpDispatchBuilder::AVXVFCMPOp<4>},
{OPD(1, 0b01, 0xC2), 1, &OpDispatchBuilder::AVXVFCMPOp<8>},
{OPD(1, 0b10, 0xC2), 1, &OpDispatchBuilder::AVXInsertScalarFCMPOp<4>},
{OPD(1, 0b11, 0xC2), 1, &OpDispatchBuilder::AVXInsertScalarFCMPOp<8>},
{OPD(1, 0b01, 0xC4), 1, &OpDispatchBuilder::VPINSRWOp},
{OPD(1, 0b01, 0xC5), 1, &OpDispatchBuilder::PExtrOp<2>},
{OPD(1, 0b00, 0xC6), 1, &OpDispatchBuilder::VSHUFOp<4>},
{OPD(1, 0b01, 0xC6), 1, &OpDispatchBuilder::VSHUFOp<8>},
{OPD(1, 0b01, 0xD0), 1, &OpDispatchBuilder::VADDSUBPOp<8>},
{OPD(1, 0b11, 0xD0), 1, &OpDispatchBuilder::VADDSUBPOp<4>},
{OPD(1, 0b01, 0xD1), 1, &OpDispatchBuilder::VPSRLDOp<2>},
{OPD(1, 0b01, 0xD2), 1, &OpDispatchBuilder::VPSRLDOp<4>},
{OPD(1, 0b01, 0xD3), 1, &OpDispatchBuilder::VPSRLDOp<8>},
{OPD(1, 0b01, 0xD4), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VADD, 8>},
{OPD(1, 0b01, 0xD5), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VMUL, 2>},
{OPD(1, 0b01, 0xD6), 1, &OpDispatchBuilder::MOVQOp},
{OPD(1, 0b01, 0xD7), 1, &OpDispatchBuilder::MOVMSKOpOne},
{OPD(1, 0b01, 0xD8), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VUQSUB, 1>},
{OPD(1, 0b01, 0xD9), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VUQSUB, 2>},
{OPD(1, 0b01, 0xDA), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VUMIN, 1>},
{OPD(1, 0b01, 0xDB), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VAND, 16>},
{OPD(1, 0b01, 0xDC), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VUQADD, 1>},
{OPD(1, 0b01, 0xDD), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VUQADD, 2>},
{OPD(1, 0b01, 0xDE), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VUMAX, 1>},
{OPD(1, 0b01, 0xDF), 1, &OpDispatchBuilder::VANDNOp},
{OPD(1, 0b01, 0xE0), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VURAVG, 1>},
{OPD(1, 0b01, 0xE1), 1, &OpDispatchBuilder::VPSRAOp<2>},
{OPD(1, 0b01, 0xE2), 1, &OpDispatchBuilder::VPSRAOp<4>},
{OPD(1, 0b01, 0xE3), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VURAVG, 2>},
{OPD(1, 0b01, 0xE4), 1, &OpDispatchBuilder::VPMULHWOp<false>},
{OPD(1, 0b01, 0xE5), 1, &OpDispatchBuilder::VPMULHWOp<true>},
{OPD(1, 0b01, 0xE6), 1, &OpDispatchBuilder::AVXVector_CVT_Float_To_Int<8, true, false>},
{OPD(1, 0b10, 0xE6), 1, &OpDispatchBuilder::AVXVector_CVT_Int_To_Float<4, true>},
{OPD(1, 0b11, 0xE6), 1, &OpDispatchBuilder::AVXVector_CVT_Float_To_Int<8, true, true>},
{OPD(1, 0b01, 0xE7), 1, &OpDispatchBuilder::MOVVectorNTOp},
{OPD(1, 0b01, 0xE8), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VSQSUB, 1>},
{OPD(1, 0b01, 0xE9), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VSQSUB, 2>},
{OPD(1, 0b01, 0xEA), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VSMIN, 2>},
{OPD(1, 0b01, 0xEB), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VOR, 16>},
{OPD(1, 0b01, 0xEC), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VSQADD, 1>},
{OPD(1, 0b01, 0xED), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VSQADD, 2>},
{OPD(1, 0b01, 0xEE), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VSMAX, 2>},
{OPD(1, 0b01, 0xEF), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VXOR, 16>},
{OPD(1, 0b11, 0xF0), 1, &OpDispatchBuilder::MOVUPS_MOVUPDOp},
{OPD(1, 0b01, 0xF1), 1, &OpDispatchBuilder::VPSLLOp<2>},
{OPD(1, 0b01, 0xF2), 1, &OpDispatchBuilder::VPSLLOp<4>},
{OPD(1, 0b01, 0xF3), 1, &OpDispatchBuilder::VPSLLOp<8>},
{OPD(1, 0b01, 0xF4), 1, &OpDispatchBuilder::VPMULLOp<4, false>},
{OPD(1, 0b01, 0xF5), 1, &OpDispatchBuilder::VPMADDWDOp},
{OPD(1, 0b01, 0xF6), 1, &OpDispatchBuilder::VPSADBWOp},
{OPD(1, 0b01, 0xF7), 1, &OpDispatchBuilder::MASKMOVOp},
{OPD(1, 0b01, 0xF8), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VSUB, 1>},
{OPD(1, 0b01, 0xF9), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VSUB, 2>},
{OPD(1, 0b01, 0xFA), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VSUB, 4>},
{OPD(1, 0b01, 0xFB), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VSUB, 8>},
{OPD(1, 0b01, 0xFC), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VADD, 1>},
{OPD(1, 0b01, 0xFD), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VADD, 2>},
{OPD(1, 0b01, 0xFE), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VADD, 4>},
{OPD(2, 0b01, 0x00), 1, &OpDispatchBuilder::VPSHUFBOp},
{OPD(2, 0b01, 0x01), 1, &OpDispatchBuilder::VHADDPOp<IR::OP_VADDP, 2>},
{OPD(2, 0b01, 0x02), 1, &OpDispatchBuilder::VHADDPOp<IR::OP_VADDP, 4>},
{OPD(2, 0b01, 0x03), 1, &OpDispatchBuilder::VPHADDSWOp},
{OPD(2, 0b01, 0x04), 1, &OpDispatchBuilder::VPMADDUBSWOp},
{OPD(2, 0b01, 0x05), 1, &OpDispatchBuilder::VPHSUBOp<2>},
{OPD(2, 0b01, 0x06), 1, &OpDispatchBuilder::VPHSUBOp<4>},
{OPD(2, 0b01, 0x07), 1, &OpDispatchBuilder::VPHSUBSWOp},
{OPD(2, 0b01, 0x08), 1, &OpDispatchBuilder::VPSIGN<1>},
{OPD(2, 0b01, 0x09), 1, &OpDispatchBuilder::VPSIGN<2>},
{OPD(2, 0b01, 0x0A), 1, &OpDispatchBuilder::VPSIGN<4>},
{OPD(2, 0b01, 0x0B), 1, &OpDispatchBuilder::VPMULHRSWOp},
{OPD(2, 0b01, 0x0C), 1, &OpDispatchBuilder::VPERMILRegOp<4>},
{OPD(2, 0b01, 0x0D), 1, &OpDispatchBuilder::VPERMILRegOp<8>},
{OPD(2, 0b01, 0x0E), 1, &OpDispatchBuilder::VTESTPOp<4>},
{OPD(2, 0b01, 0x0F), 1, &OpDispatchBuilder::VTESTPOp<8>},
{OPD(2, 0b01, 0x16), 1, &OpDispatchBuilder::VPERMDOp},
{OPD(2, 0b01, 0x17), 1, &OpDispatchBuilder::PTestOp},
{OPD(2, 0b01, 0x18), 1, &OpDispatchBuilder::VBROADCASTOp<4>},
{OPD(2, 0b01, 0x19), 1, &OpDispatchBuilder::VBROADCASTOp<8>},
{OPD(2, 0b01, 0x1A), 1, &OpDispatchBuilder::VBROADCASTOp<16>},
{OPD(2, 0b01, 0x1C), 1, &OpDispatchBuilder::AVXVectorUnaryOp<IR::OP_VABS, 1>},
{OPD(2, 0b01, 0x1D), 1, &OpDispatchBuilder::AVXVectorUnaryOp<IR::OP_VABS, 2>},
{OPD(2, 0b01, 0x1E), 1, &OpDispatchBuilder::AVXVectorUnaryOp<IR::OP_VABS, 4>},
{OPD(2, 0b01, 0x20), 1, &OpDispatchBuilder::ExtendVectorElements<1, 2, true>},
{OPD(2, 0b01, 0x21), 1, &OpDispatchBuilder::ExtendVectorElements<1, 4, true>},
{OPD(2, 0b01, 0x22), 1, &OpDispatchBuilder::ExtendVectorElements<1, 8, true>},
{OPD(2, 0b01, 0x23), 1, &OpDispatchBuilder::ExtendVectorElements<2, 4, true>},
{OPD(2, 0b01, 0x24), 1, &OpDispatchBuilder::ExtendVectorElements<2, 8, true>},
{OPD(2, 0b01, 0x25), 1, &OpDispatchBuilder::ExtendVectorElements<4, 8, true>},
{OPD(2, 0b01, 0x28), 1, &OpDispatchBuilder::VPMULLOp<4, true>},
{OPD(2, 0b01, 0x29), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VCMPEQ, 8>},
{OPD(2, 0b01, 0x2A), 1, &OpDispatchBuilder::MOVVectorNTOp},
{OPD(2, 0b01, 0x2B), 1, &OpDispatchBuilder::VPACKUSOp<4>},
{OPD(2, 0b01, 0x2C), 1, &OpDispatchBuilder::VMASKMOVOp<4, false>},
{OPD(2, 0b01, 0x2D), 1, &OpDispatchBuilder::VMASKMOVOp<8, false>},
{OPD(2, 0b01, 0x2E), 1, &OpDispatchBuilder::VMASKMOVOp<4, true>},
{OPD(2, 0b01, 0x2F), 1, &OpDispatchBuilder::VMASKMOVOp<8, true>},
{OPD(2, 0b01, 0x30), 1, &OpDispatchBuilder::ExtendVectorElements<1, 2, false>},
{OPD(2, 0b01, 0x31), 1, &OpDispatchBuilder::ExtendVectorElements<1, 4, false>},
{OPD(2, 0b01, 0x32), 1, &OpDispatchBuilder::ExtendVectorElements<1, 8, false>},
{OPD(2, 0b01, 0x33), 1, &OpDispatchBuilder::ExtendVectorElements<2, 4, false>},
{OPD(2, 0b01, 0x34), 1, &OpDispatchBuilder::ExtendVectorElements<2, 8, false>},
{OPD(2, 0b01, 0x35), 1, &OpDispatchBuilder::ExtendVectorElements<4, 8, false>},
{OPD(2, 0b01, 0x36), 1, &OpDispatchBuilder::VPERMDOp},
{OPD(2, 0b01, 0x37), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VCMPGT, 8>},
{OPD(2, 0b01, 0x38), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VSMIN, 1>},
{OPD(2, 0b01, 0x39), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VSMIN, 4>},
{OPD(2, 0b01, 0x3A), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VUMIN, 2>},
{OPD(2, 0b01, 0x3B), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VUMIN, 4>},
{OPD(2, 0b01, 0x3C), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VSMAX, 1>},
{OPD(2, 0b01, 0x3D), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VSMAX, 4>},
{OPD(2, 0b01, 0x3E), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VUMAX, 2>},
{OPD(2, 0b01, 0x3F), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VUMAX, 4>},
{OPD(2, 0b01, 0x40), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VMUL, 4>},
{OPD(2, 0b01, 0x41), 1, &OpDispatchBuilder::PHMINPOSUWOp},
{OPD(2, 0b01, 0x45), 1, &OpDispatchBuilder::VPSRLVOp},
{OPD(2, 0b01, 0x46), 1, &OpDispatchBuilder::VPSRAVDOp},
{OPD(2, 0b01, 0x47), 1, &OpDispatchBuilder::VPSLLVOp},
{OPD(2, 0b01, 0x58), 1, &OpDispatchBuilder::VBROADCASTOp<4>},
{OPD(2, 0b01, 0x59), 1, &OpDispatchBuilder::VBROADCASTOp<8>},
{OPD(2, 0b01, 0x5A), 1, &OpDispatchBuilder::VBROADCASTOp<16>},
{OPD(2, 0b01, 0x78), 1, &OpDispatchBuilder::VBROADCASTOp<1>},
{OPD(2, 0b01, 0x79), 1, &OpDispatchBuilder::VBROADCASTOp<2>},
{OPD(2, 0b01, 0x8C), 1, &OpDispatchBuilder::VPMASKMOVOp<false>},
{OPD(2, 0b01, 0x8E), 1, &OpDispatchBuilder::VPMASKMOVOp<true>},
{OPD(2, 0b01, 0xDB), 1, &OpDispatchBuilder::AESImcOp},
{OPD(2, 0b01, 0xDC), 1, &OpDispatchBuilder::VAESEncOp},
{OPD(2, 0b01, 0xDD), 1, &OpDispatchBuilder::VAESEncLastOp},
{OPD(2, 0b01, 0xDE), 1, &OpDispatchBuilder::VAESDecOp},
{OPD(2, 0b01, 0xDF), 1, &OpDispatchBuilder::VAESDecLastOp},
{OPD(3, 0b01, 0x00), 1, &OpDispatchBuilder::VPERMQOp},
{OPD(3, 0b01, 0x01), 1, &OpDispatchBuilder::VPERMQOp},
{OPD(3, 0b01, 0x02), 1, &OpDispatchBuilder::VPBLENDDOp},
{OPD(3, 0b01, 0x04), 1, &OpDispatchBuilder::VPERMILImmOp<4>},
{OPD(3, 0b01, 0x05), 1, &OpDispatchBuilder::VPERMILImmOp<8>},
{OPD(3, 0b01, 0x06), 1, &OpDispatchBuilder::VPERM2Op},
{OPD(3, 0b01, 0x08), 1, &OpDispatchBuilder::AVXVectorRound<4>},
{OPD(3, 0b01, 0x09), 1, &OpDispatchBuilder::AVXVectorRound<8>},
{OPD(3, 0b01, 0x0A), 1, &OpDispatchBuilder::AVXInsertScalarRound<4>},
{OPD(3, 0b01, 0x0B), 1, &OpDispatchBuilder::AVXInsertScalarRound<8>},
{OPD(3, 0b01, 0x0C), 1, &OpDispatchBuilder::VPBLENDDOp},
{OPD(3, 0b01, 0x0D), 1, &OpDispatchBuilder::VBLENDPDOp},
{OPD(3, 0b01, 0x0E), 1, &OpDispatchBuilder::VPBLENDWOp},
{OPD(3, 0b01, 0x0F), 1, &OpDispatchBuilder::VPALIGNROp},
{OPD(3, 0b01, 0x14), 1, &OpDispatchBuilder::PExtrOp<1>},
{OPD(3, 0b01, 0x15), 1, &OpDispatchBuilder::PExtrOp<2>},
{OPD(3, 0b01, 0x16), 1, &OpDispatchBuilder::PExtrOp<4>},
{OPD(3, 0b01, 0x17), 1, &OpDispatchBuilder::PExtrOp<4>},
{OPD(3, 0b01, 0x18), 1, &OpDispatchBuilder::VINSERTOp},
{OPD(3, 0b01, 0x19), 1, &OpDispatchBuilder::VEXTRACT128Op},
{OPD(3, 0b01, 0x20), 1, &OpDispatchBuilder::VPINSRBOp},
{OPD(3, 0b01, 0x21), 1, &OpDispatchBuilder::VINSERTPSOp},
{OPD(3, 0b01, 0x22), 1, &OpDispatchBuilder::VPINSRDQOp},
{OPD(3, 0b01, 0x38), 1, &OpDispatchBuilder::VINSERTOp},
{OPD(3, 0b01, 0x39), 1, &OpDispatchBuilder::VEXTRACT128Op},
{OPD(3, 0b01, 0x40), 1, &OpDispatchBuilder::VDPPOp<4>},
{OPD(3, 0b01, 0x41), 1, &OpDispatchBuilder::VDPPOp<8>},
{OPD(3, 0b01, 0x42), 1, &OpDispatchBuilder::VMPSADBWOp},
{OPD(3, 0b01, 0x46), 1, &OpDispatchBuilder::VPERM2Op},
{OPD(3, 0b01, 0x4A), 1, &OpDispatchBuilder::AVXVectorVariableBlend<4>},
{OPD(3, 0b01, 0x4B), 1, &OpDispatchBuilder::AVXVectorVariableBlend<8>},
{OPD(3, 0b01, 0x4C), 1, &OpDispatchBuilder::AVXVectorVariableBlend<1>},
{OPD(3, 0b01, 0x60), 1, &OpDispatchBuilder::VPCMPESTRMOp},
{OPD(3, 0b01, 0x61), 1, &OpDispatchBuilder::VPCMPESTRIOp},
{OPD(3, 0b01, 0x62), 1, &OpDispatchBuilder::VPCMPISTRMOp},
{OPD(3, 0b01, 0x63), 1, &OpDispatchBuilder::VPCMPISTRIOp},
{OPD(3, 0b01, 0xDF), 1, &OpDispatchBuilder::AESKeyGenAssist},
};
#undef OPD
#define OPD(group, pp, opcode) (((group - X86Tables::TYPE_VEX_GROUP_12) << 4) | (pp << 3) | (opcode))
static constexpr std::tuple<uint8_t, uint8_t, X86Tables::OpDispatchPtr> VEXTableGroupOps[] {
{OPD(X86Tables::TYPE_VEX_GROUP_12, 1, 0b010), 1, &OpDispatchBuilder::VPSRLIOp<2>},
{OPD(X86Tables::TYPE_VEX_GROUP_12, 1, 0b110), 1, &OpDispatchBuilder::VPSLLIOp<2>},
{OPD(X86Tables::TYPE_VEX_GROUP_12, 1, 0b100), 1, &OpDispatchBuilder::VPSRAIOp<2>},
{OPD(X86Tables::TYPE_VEX_GROUP_13, 1, 0b010), 1, &OpDispatchBuilder::VPSRLIOp<4>},
{OPD(X86Tables::TYPE_VEX_GROUP_13, 1, 0b110), 1, &OpDispatchBuilder::VPSLLIOp<4>},
{OPD(X86Tables::TYPE_VEX_GROUP_13, 1, 0b100), 1, &OpDispatchBuilder::VPSRAIOp<4>},
{OPD(X86Tables::TYPE_VEX_GROUP_14, 1, 0b010), 1, &OpDispatchBuilder::VPSRLIOp<8>},
{OPD(X86Tables::TYPE_VEX_GROUP_14, 1, 0b011), 1, &OpDispatchBuilder::VPSRLDQOp},
{OPD(X86Tables::TYPE_VEX_GROUP_14, 1, 0b110), 1, &OpDispatchBuilder::VPSLLIOp<8>},
{OPD(X86Tables::TYPE_VEX_GROUP_14, 1, 0b111), 1, &OpDispatchBuilder::VPSLLDQOp},
{OPD(X86Tables::TYPE_VEX_GROUP_15, 0, 0b010), 1, &OpDispatchBuilder::LDMXCSR},
{OPD(X86Tables::TYPE_VEX_GROUP_15, 0, 0b011), 1, &OpDispatchBuilder::STMXCSR},
};
#undef OPD
auto InstallToTable = [](auto& FinalTable, auto& LocalTable) {
for (auto Op : LocalTable) {
auto OpNum = std::get<0>(Op);
auto Dispatcher = std::get<2>(Op);
for (uint8_t i = 0; i < std::get<1>(Op); ++i) {
LOGMAN_THROW_A_FMT(FinalTable[OpNum + i].OpcodeDispatcher == nullptr, "Duplicate Entry");
FinalTable[OpNum + i].OpcodeDispatcher = Dispatcher;
}
}
};
if (CTX->HostFeatures.SupportsCRC) {
InstallToTable(FEXCore::X86Tables::H0F38TableOps, H0F38_CRC);
}
InstallToTable(FEXCore::X86Tables::H0F38TableOps, H0F38_SHA);
if (CTX->HostFeatures.SupportsAES) {
InstallToTable(FEXCore::X86Tables::H0F38TableOps, H0F38_AES);
InstallToTable(FEXCore::X86Tables::H0F3ATableOps, H0F3A_AES);
}
if (CTX->HostFeatures.SupportsCLZERO) {
InstallToTable(FEXCore::X86Tables::SecondModRMTableOps, SecondaryModRMExtensionOp_CLZero);
}
if (CTX->HostFeatures.SupportsRAND) {
InstallToTable(FEXCore::X86Tables::SecondInstGroupOps, SecondaryExtensionOp_RDRAND);
}
if (CTX->HostFeatures.SupportsAVX) {
InstallToTable(FEXCore::X86Tables::VEXTableOps, AVXTable);
InstallToTable(FEXCore::X86Tables::VEXTableGroupOps, VEXTableGroupOps);
}
if (CTX->HostFeatures.SupportsPMULL_128Bit) {
InstallToTable(FEXCore::X86Tables::H0F3ATableOps, H0F3A_PCLMUL);
InstallToTable(FEXCore::X86Tables::VEXTableOps, VEX_PCLMUL);
}
Initialized = true;
}
void InstallOpcodeHandlers(Context::OperatingMode Mode) {
constexpr std::tuple<uint8_t, uint8_t, X86Tables::OpDispatchPtr> BaseOpTable[] = {
// Instructions
{0x00, 6, &OpDispatchBuilder::ALUOp<FEXCore::IR::IROps::OP_ADD, FEXCore::IR::IROps::OP_ATOMICFETCHADD>},
{0x08, 6, &OpDispatchBuilder::ALUOp<FEXCore::IR::IROps::OP_OR, FEXCore::IR::IROps::OP_ATOMICFETCHOR>},
{0x10, 6, &OpDispatchBuilder::ADCOp<0>},
{0x18, 6, &OpDispatchBuilder::SBBOp<0, true>},
{0x20, 6, &OpDispatchBuilder::ALUOp<FEXCore::IR::IROps::OP_AND, FEXCore::IR::IROps::OP_ATOMICFETCHAND>},
{0x28, 6, &OpDispatchBuilder::ALUOp<FEXCore::IR::IROps::OP_SUB, FEXCore::IR::IROps::OP_ATOMICFETCHSUB>},
{0x30, 6, &OpDispatchBuilder::ALUOp<FEXCore::IR::IROps::OP_XOR, FEXCore::IR::IROps::OP_ATOMICFETCHXOR>},
{0x38, 6, &OpDispatchBuilder::CMPOp<0>},
{0x50, 8, &OpDispatchBuilder::PUSHREGOp},
{0x58, 8, &OpDispatchBuilder::POPOp},
{0x68, 1, &OpDispatchBuilder::PUSHOp},
{0x69, 1, &OpDispatchBuilder::IMUL2SrcOp},
{0x6A, 1, &OpDispatchBuilder::PUSHOp},
{0x6B, 1, &OpDispatchBuilder::IMUL2SrcOp},
{0x70, 16, &OpDispatchBuilder::CondJUMPOp},
{0x84, 2, &OpDispatchBuilder::TESTOp<0>},
{0x86, 2, &OpDispatchBuilder::XCHGOp},
{0x88, 4, &OpDispatchBuilder::MOVGPROp<0>},
{0x8C, 1, &OpDispatchBuilder::MOVSegOp<false>},
{0x8D, 1, &OpDispatchBuilder::LEAOp},
{0x8E, 1, &OpDispatchBuilder::MOVSegOp<true>},
{0x8F, 1, &OpDispatchBuilder::POPOp},
{0x90, 8, &OpDispatchBuilder::XCHGOp},
{0x98, 1, &OpDispatchBuilder::CDQOp},
{0x99, 1, &OpDispatchBuilder::CQOOp},
{0x9B, 1, &OpDispatchBuilder::NOPOp},
{0x9C, 1, &OpDispatchBuilder::PUSHFOp},
{0x9D, 1, &OpDispatchBuilder::POPFOp},
{0x9E, 1, &OpDispatchBuilder::SAHFOp},
{0x9F, 1, &OpDispatchBuilder::LAHFOp},
{0xA0, 4, &OpDispatchBuilder::MOVOffsetOp},
{0xA4, 2, &OpDispatchBuilder::MOVSOp},
{0xA6, 2, &OpDispatchBuilder::CMPSOp},
{0xA8, 2, &OpDispatchBuilder::TESTOp<0>},
{0xAA, 2, &OpDispatchBuilder::STOSOp},
{0xAC, 2, &OpDispatchBuilder::LODSOp},
{0xAE, 2, &OpDispatchBuilder::SCASOp},
{0xB0, 16, &OpDispatchBuilder::MOVGPROp<0>},
{0xC2, 2, &OpDispatchBuilder::RETOp},
{0xC8, 1, &OpDispatchBuilder::EnterOp},
{0xC9, 1, &OpDispatchBuilder::LEAVEOp},
{0xCC, 2, &OpDispatchBuilder::INTOp},
{0xCF, 1, &OpDispatchBuilder::IRETOp},
{0xD7, 2, &OpDispatchBuilder::XLATOp},
{0xE0, 3, &OpDispatchBuilder::LoopOp},
{0xE3, 1, &OpDispatchBuilder::CondJUMPRCXOp},
{0xE8, 1, &OpDispatchBuilder::CALLOp},
{0xE9, 1, &OpDispatchBuilder::JUMPOp},
{0xEB, 1, &OpDispatchBuilder::JUMPOp},
{0xF1, 1, &OpDispatchBuilder::INTOp},
{0xF4, 1, &OpDispatchBuilder::INTOp},
{0xF5, 1, &OpDispatchBuilder::FLAGControlOp},
{0xF8, 2, &OpDispatchBuilder::FLAGControlOp},
{0xFC, 2, &OpDispatchBuilder::FLAGControlOp},
};
constexpr std::tuple<uint8_t, uint8_t, X86Tables::OpDispatchPtr> BaseOpTable_32[] = {
{0x06, 1, &OpDispatchBuilder::PUSHSegmentOp<FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX>},
{0x07, 1, &OpDispatchBuilder::POPSegmentOp<FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX>},
{0x0E, 1, &OpDispatchBuilder::PUSHSegmentOp<FEXCore::X86Tables::DecodeFlags::FLAG_CS_PREFIX>},
{0x16, 1, &OpDispatchBuilder::PUSHSegmentOp<FEXCore::X86Tables::DecodeFlags::FLAG_SS_PREFIX>},
{0x17, 1, &OpDispatchBuilder::POPSegmentOp<FEXCore::X86Tables::DecodeFlags::FLAG_SS_PREFIX>},
{0x1E, 1, &OpDispatchBuilder::PUSHSegmentOp<FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX>},
{0x1F, 1, &OpDispatchBuilder::POPSegmentOp<FEXCore::X86Tables::DecodeFlags::FLAG_DS_PREFIX>},
{0x27, 1, &OpDispatchBuilder::DAAOp},
{0x2F, 1, &OpDispatchBuilder::DASOp},
{0x37, 1, &OpDispatchBuilder::AAAOp},
{0x3F, 1, &OpDispatchBuilder::AASOp},
{0x40, 8, &OpDispatchBuilder::INCOp},
{0x48, 8, &OpDispatchBuilder::DECOp},
{0x60, 1, &OpDispatchBuilder::PUSHAOp},
{0x61, 1, &OpDispatchBuilder::POPAOp},
{0xCE, 1, &OpDispatchBuilder::INTOp},
{0xD4, 1, &OpDispatchBuilder::AAMOp},
{0xD5, 1, &OpDispatchBuilder::AADOp},
{0xD6, 1, &OpDispatchBuilder::SBBOp<0, false>},
};
constexpr std::tuple<uint8_t, uint8_t, X86Tables::OpDispatchPtr> BaseOpTable_64[] = {
{0x63, 1, &OpDispatchBuilder::MOVSXDOp},
};
constexpr std::tuple<uint8_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> TwoByteOpTable[] = {
// Instructions
{0x0B, 1, &OpDispatchBuilder::INTOp},
{0x0E, 1, &OpDispatchBuilder::X87EMMS},
{0x19, 7, &OpDispatchBuilder::NOPOp}, // NOP with ModRM
{0x31, 1, &OpDispatchBuilder::RDTSCOp},
{0x3F, 1, &OpDispatchBuilder::ThunkOp},
{0x40, 16, &OpDispatchBuilder::CMOVOp},
{0x6E, 1, &OpDispatchBuilder::MOVBetweenGPR_FPR},
{0x6F, 1, &OpDispatchBuilder::MOVUPS_MOVUPDOp},
{0x7E, 1, &OpDispatchBuilder::MOVBetweenGPR_FPR},
{0x7F, 1, &OpDispatchBuilder::MOVUPS_MOVUPDOp},
{0x80, 16, &OpDispatchBuilder::CondJUMPOp},
{0x90, 16, &OpDispatchBuilder::SETccOp},
{0xA0, 1, &OpDispatchBuilder::PUSHSegmentOp<FEXCore::X86Tables::DecodeFlags::FLAG_FS_PREFIX>},
{0xA1, 1, &OpDispatchBuilder::POPSegmentOp<FEXCore::X86Tables::DecodeFlags::FLAG_FS_PREFIX>},
{0xA2, 1, &OpDispatchBuilder::CPUIDOp},
{0xA3, 1, &OpDispatchBuilder::BTOp<0>}, // BT
{0xA4, 1, &OpDispatchBuilder::SHLDImmediateOp},
{0xA5, 1, &OpDispatchBuilder::SHLDOp},
{0xA8, 1, &OpDispatchBuilder::PUSHSegmentOp<FEXCore::X86Tables::DecodeFlags::FLAG_GS_PREFIX>},
{0xA9, 1, &OpDispatchBuilder::POPSegmentOp<FEXCore::X86Tables::DecodeFlags::FLAG_GS_PREFIX>},
{0xAB, 1, &OpDispatchBuilder::BTSOp<0>},
{0xAC, 1, &OpDispatchBuilder::SHRDImmediateOp},
{0xAD, 1, &OpDispatchBuilder::SHRDOp},
{0xAF, 1, &OpDispatchBuilder::IMUL1SrcOp},
{0xB0, 2, &OpDispatchBuilder::CMPXCHGOp}, // CMPXCHG
{0xB3, 1, &OpDispatchBuilder::BTROp<0>},
{0xB6, 2, &OpDispatchBuilder::MOVZXOp},
{0xBB, 1, &OpDispatchBuilder::BTCOp<0>},
{0xBC, 1, &OpDispatchBuilder::BSFOp}, // BSF
{0xBD, 1, &OpDispatchBuilder::BSROp}, // BSF
{0xBE, 2, &OpDispatchBuilder::MOVSXOp},
{0xC0, 2, &OpDispatchBuilder::XADDOp},
{0xC3, 1, &OpDispatchBuilder::MOVGPRNTOp},
{0xC4, 1, &OpDispatchBuilder::PINSROp<2>},
{0xC5, 1, &OpDispatchBuilder::PExtrOp<2>},
{0xC8, 8, &OpDispatchBuilder::BSWAPOp},
// SSE
{0x10, 2, &OpDispatchBuilder::MOVUPS_MOVUPDOp},
{0x12, 2, &OpDispatchBuilder::MOVLPOp},
{0x14, 1, &OpDispatchBuilder::PUNPCKLOp<4>},
{0x15, 1, &OpDispatchBuilder::PUNPCKHOp<4>},
{0x16, 2, &OpDispatchBuilder::MOVHPDOp},
{0x28, 2, &OpDispatchBuilder::MOVAPS_MOVAPDOp},
{0x2A, 1, &OpDispatchBuilder::InsertMMX_To_XMM_Vector_CVT_Int_To_Float},
{0x2B, 1, &OpDispatchBuilder::MOVVectorNTOp},
{0x2C, 1, &OpDispatchBuilder::XMM_To_MMX_Vector_CVT_Float_To_Int<4, false, false>},
{0x2D, 1, &OpDispatchBuilder::XMM_To_MMX_Vector_CVT_Float_To_Int<4, false, true>},
{0x2E, 2, &OpDispatchBuilder::UCOMISxOp<4>},
{0x50, 1, &OpDispatchBuilder::MOVMSKOp<4>},
{0x51, 1, &OpDispatchBuilder::VectorUnaryOp<IR::OP_VFSQRT, 4>},
{0x52, 1, &OpDispatchBuilder::VectorUnaryOp<IR::OP_VFRSQRT, 4>},
{0x53, 1, &OpDispatchBuilder::VectorUnaryOp<IR::OP_VFRECP, 4>},
{0x54, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VAND, 16>},
{0x55, 1, &OpDispatchBuilder::VectorALUROp<IR::OP_VBIC, 8>},
{0x56, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VOR, 16>},
{0x57, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VXOR, 16>},
{0x58, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFADD, 4>},
{0x59, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFMUL, 4>},
{0x5A, 1, &OpDispatchBuilder::Vector_CVT_Float_To_Float<8, 4>},
{0x5B, 1, &OpDispatchBuilder::Vector_CVT_Int_To_Float<4, false>},
{0x5C, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFSUB, 4>},
{0x5D, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFMIN, 4>},
{0x5E, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFDIV, 4>},
{0x5F, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFMAX, 4>},
{0x60, 1, &OpDispatchBuilder::PUNPCKLOp<1>},
{0x61, 1, &OpDispatchBuilder::PUNPCKLOp<2>},
{0x62, 1, &OpDispatchBuilder::PUNPCKLOp<4>},
{0x63, 1, &OpDispatchBuilder::PACKSSOp<2>},
{0x64, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VCMPGT, 1>},
{0x65, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VCMPGT, 2>},
{0x66, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VCMPGT, 4>},
{0x67, 1, &OpDispatchBuilder::PACKUSOp<2>},
{0x68, 1, &OpDispatchBuilder::PUNPCKHOp<1>},
{0x69, 1, &OpDispatchBuilder::PUNPCKHOp<2>},
{0x6A, 1, &OpDispatchBuilder::PUNPCKHOp<4>},
{0x6B, 1, &OpDispatchBuilder::PACKSSOp<4>},
{0x70, 1, &OpDispatchBuilder::PSHUFW8ByteOp},
{0x74, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VCMPEQ, 1>},
{0x75, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VCMPEQ, 2>},
{0x76, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VCMPEQ, 4>},
{0x77, 1, &OpDispatchBuilder::X87EMMS},
{0xC2, 1, &OpDispatchBuilder::VFCMPOp<4>},
{0xC6, 1, &OpDispatchBuilder::SHUFOp<4>},
{0xD1, 1, &OpDispatchBuilder::PSRLDOp<2>},
{0xD2, 1, &OpDispatchBuilder::PSRLDOp<4>},
{0xD3, 1, &OpDispatchBuilder::PSRLDOp<8>},
{0xD4, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VADD, 8>},
{0xD5, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VMUL, 2>},
{0xD7, 1, &OpDispatchBuilder::MOVMSKOpOne}, // PMOVMSKB
{0xD8, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUQSUB, 1>},
{0xD9, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUQSUB, 2>},
{0xDA, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUMIN, 1>},
{0xDB, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VAND, 8>},
{0xDC, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUQADD, 1>},
{0xDD, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUQADD, 2>},
{0xDE, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUMAX, 1>},
{0xDF, 1, &OpDispatchBuilder::VectorALUROp<IR::OP_VBIC, 8>},
{0xE0, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VURAVG, 1>},
{0xE1, 1, &OpDispatchBuilder::PSRAOp<2>},
{0xE2, 1, &OpDispatchBuilder::PSRAOp<4>},
{0xE3, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VURAVG, 2>},
{0xE4, 1, &OpDispatchBuilder::PMULHW<false>},
{0xE5, 1, &OpDispatchBuilder::PMULHW<true>},
{0xE7, 1, &OpDispatchBuilder::MOVVectorNTOp},
{0xE8, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSQSUB, 1>},
{0xE9, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSQSUB, 2>},
{0xEA, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSMIN, 2>},
{0xEB, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VOR, 8>},
{0xEC, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSQADD, 1>},
{0xED, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSQADD, 2>},
{0xEE, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSMAX, 2>},
{0xEF, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VXOR, 8>},
{0xF1, 1, &OpDispatchBuilder::PSLL<2>},
{0xF2, 1, &OpDispatchBuilder::PSLL<4>},
{0xF3, 1, &OpDispatchBuilder::PSLL<8>},
{0xF4, 1, &OpDispatchBuilder::PMULLOp<4, false>},
{0xF5, 1, &OpDispatchBuilder::PMADDWD},
{0xF6, 1, &OpDispatchBuilder::PSADBW},
{0xF7, 1, &OpDispatchBuilder::MASKMOVOp},
{0xF8, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSUB, 1>},
{0xF9, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSUB, 2>},
{0xFA, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSUB, 4>},
{0xFB, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSUB, 8>},
{0xFC, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VADD, 1>},
{0xFD, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VADD, 2>},
{0xFE, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VADD, 4>},
// FEX reserved instructions
{0x37, 1, &OpDispatchBuilder::CallbackReturnOp},
};
constexpr std::tuple<uint8_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> TwoByteOpTable_32[] = {
{0x05, 1, &OpDispatchBuilder::NOPOp},
};
constexpr std::tuple<uint8_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> TwoByteOpTable_64[] = {
{0x05, 1, &OpDispatchBuilder::SyscallOp},
};
#define OPD(group, prefix, Reg) (((group - FEXCore::X86Tables::TYPE_GROUP_1) << 6) | (prefix) << 3 | (Reg))
constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> PrimaryGroupOpTable[] = {
// GROUP 1
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x80), 0), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x80), 1), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x80), 2), 1, &OpDispatchBuilder::ADCOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x80), 3), 1, &OpDispatchBuilder::SBBOp<1, true>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x80), 4), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x80), 5), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x80), 6), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x80), 7), 1, &OpDispatchBuilder::CMPOp<1>}, // CMP
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x81), 0), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x81), 1), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x81), 2), 1, &OpDispatchBuilder::ADCOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x81), 3), 1, &OpDispatchBuilder::SBBOp<1, true>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x81), 4), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x81), 5), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x81), 6), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x81), 7), 1, &OpDispatchBuilder::CMPOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x83), 0), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x83), 1), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x83), 2), 1, &OpDispatchBuilder::ADCOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x83), 3), 1, &OpDispatchBuilder::SBBOp<1, true>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x83), 4), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x83), 5), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x83), 6), 1, &OpDispatchBuilder::SecondaryALUOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_1, OpToIndex(0x83), 7), 1, &OpDispatchBuilder::CMPOp<1>},
// GROUP 2
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC0), 0), 1, &OpDispatchBuilder::ROLImmediateOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC0), 1), 1, &OpDispatchBuilder::RORImmediateOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC0), 2), 1, &OpDispatchBuilder::RCLOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC0), 3), 1, &OpDispatchBuilder::RCROp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC0), 4), 1, &OpDispatchBuilder::SHLImmediateOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC0), 5), 1, &OpDispatchBuilder::SHRImmediateOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC0), 6), 1, &OpDispatchBuilder::SHLImmediateOp}, // SAL
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC0), 7), 1, &OpDispatchBuilder::ASHRImmediateOp}, // SAR
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC1), 0), 1, &OpDispatchBuilder::ROLImmediateOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC1), 1), 1, &OpDispatchBuilder::RORImmediateOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC1), 2), 1, &OpDispatchBuilder::RCLOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC1), 3), 1, &OpDispatchBuilder::RCROp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC1), 4), 1, &OpDispatchBuilder::SHLImmediateOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC1), 5), 1, &OpDispatchBuilder::SHRImmediateOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC1), 6), 1, &OpDispatchBuilder::SHLImmediateOp}, // SAL
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xC1), 7), 1, &OpDispatchBuilder::ASHRImmediateOp}, // SAR
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD0), 0), 1, &OpDispatchBuilder::ROLOp<true>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD0), 1), 1, &OpDispatchBuilder::ROROp<true>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD0), 2), 1, &OpDispatchBuilder::RCLOp1Bit},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD0), 3), 1, &OpDispatchBuilder::RCROp8x1Bit},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD0), 4), 1, &OpDispatchBuilder::SHLOp<true>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD0), 5), 1, &OpDispatchBuilder::SHROp<true>}, // 1Bit SHR
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD0), 6), 1, &OpDispatchBuilder::SHLOp<true>}, // SAL
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD0), 7), 1, &OpDispatchBuilder::ASHROp<true>}, // SAR
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD1), 0), 1, &OpDispatchBuilder::ROLOp<true>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD1), 1), 1, &OpDispatchBuilder::ROROp<true>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD1), 2), 1, &OpDispatchBuilder::RCLOp1Bit},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD1), 3), 1, &OpDispatchBuilder::RCROp1Bit},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD1), 4), 1, &OpDispatchBuilder::SHLOp<true>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD1), 5), 1, &OpDispatchBuilder::SHROp<true>}, // 1Bit SHR
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD1), 6), 1, &OpDispatchBuilder::SHLOp<true>}, // SAL
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD1), 7), 1, &OpDispatchBuilder::ASHROp<true>}, // SAR
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD2), 0), 1, &OpDispatchBuilder::ROLOp<false>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD2), 1), 1, &OpDispatchBuilder::ROROp<false>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD2), 2), 1, &OpDispatchBuilder::RCLSmallerOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD2), 3), 1, &OpDispatchBuilder::RCRSmallerOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD2), 4), 1, &OpDispatchBuilder::SHLOp<false>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD2), 5), 1, &OpDispatchBuilder::SHROp<false>}, // SHR by CL
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD2), 6), 1, &OpDispatchBuilder::SHLOp<false>}, // SAL
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD2), 7), 1, &OpDispatchBuilder::ASHROp<false>}, // SAR
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD3), 0), 1, &OpDispatchBuilder::ROLOp<false>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD3), 1), 1, &OpDispatchBuilder::ROROp<false>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD3), 2), 1, &OpDispatchBuilder::RCLOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD3), 3), 1, &OpDispatchBuilder::RCROp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD3), 4), 1, &OpDispatchBuilder::SHLOp<false>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD3), 5), 1, &OpDispatchBuilder::SHROp<false>}, // SHR by CL
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD3), 6), 1, &OpDispatchBuilder::SHLOp<false>}, // SAL
{OPD(FEXCore::X86Tables::TYPE_GROUP_2, OpToIndex(0xD3), 7), 1, &OpDispatchBuilder::ASHROp<false>}, // SAR
// GROUP 3
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF6), 0), 1, &OpDispatchBuilder::TESTOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF6), 1), 1, &OpDispatchBuilder::TESTOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF6), 2), 1, &OpDispatchBuilder::NOTOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF6), 3), 1, &OpDispatchBuilder::NEGOp}, // NEG
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF6), 4), 1, &OpDispatchBuilder::MULOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF6), 5), 1, &OpDispatchBuilder::IMULOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF6), 6), 1, &OpDispatchBuilder::DIVOp}, // DIV
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF6), 7), 1, &OpDispatchBuilder::IDIVOp}, // IDIV
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF7), 0), 1, &OpDispatchBuilder::TESTOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF7), 1), 1, &OpDispatchBuilder::TESTOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF7), 2), 1, &OpDispatchBuilder::NOTOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF7), 3), 1, &OpDispatchBuilder::NEGOp}, // NEG
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF7), 4), 1, &OpDispatchBuilder::MULOp}, // MUL
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF7), 5), 1, &OpDispatchBuilder::IMULOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF7), 6), 1, &OpDispatchBuilder::DIVOp}, // DIV
{OPD(FEXCore::X86Tables::TYPE_GROUP_3, OpToIndex(0xF7), 7), 1, &OpDispatchBuilder::IDIVOp}, // IDIV
// GROUP 4
{OPD(FEXCore::X86Tables::TYPE_GROUP_4, OpToIndex(0xFE), 0), 1, &OpDispatchBuilder::INCOp}, // INC
{OPD(FEXCore::X86Tables::TYPE_GROUP_4, OpToIndex(0xFE), 1), 1, &OpDispatchBuilder::DECOp}, // DEC
// GROUP 5
{OPD(FEXCore::X86Tables::TYPE_GROUP_5, OpToIndex(0xFF), 0), 1, &OpDispatchBuilder::INCOp}, // INC
{OPD(FEXCore::X86Tables::TYPE_GROUP_5, OpToIndex(0xFF), 1), 1, &OpDispatchBuilder::DECOp}, // DEC
{OPD(FEXCore::X86Tables::TYPE_GROUP_5, OpToIndex(0xFF), 2), 1, &OpDispatchBuilder::CALLAbsoluteOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_5, OpToIndex(0xFF), 4), 1, &OpDispatchBuilder::JUMPAbsoluteOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_5, OpToIndex(0xFF), 6), 1, &OpDispatchBuilder::PUSHOp},
// GROUP 11
{OPD(FEXCore::X86Tables::TYPE_GROUP_11, OpToIndex(0xC6), 0), 1, &OpDispatchBuilder::MOVGPROp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_11, OpToIndex(0xC7), 0), 1, &OpDispatchBuilder::MOVGPROp<1>},
};
#undef OPD
constexpr std::tuple<uint8_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> RepModOpTable[] = {
{0x10, 2, &OpDispatchBuilder::MOVSSOp},
{0x12, 1, &OpDispatchBuilder::VMOVSLDUPOp},
{0x16, 1, &OpDispatchBuilder::VMOVSHDUPOp},
{0x19, 7, &OpDispatchBuilder::NOPOp},
{0x2A, 1, &OpDispatchBuilder::InsertCVTGPR_To_FPR<4>},
{0x2B, 1, &OpDispatchBuilder::MOVVectorNTOp},
{0x2C, 1, &OpDispatchBuilder::CVTFPR_To_GPR<4, false>},
{0x2D, 1, &OpDispatchBuilder::CVTFPR_To_GPR<4, true>},
{0x51, 1, &OpDispatchBuilder::VectorScalarUnaryInsertALUOp<IR::OP_VFSQRTSCALARINSERT, 4>},
{0x52, 1, &OpDispatchBuilder::VectorScalarUnaryInsertALUOp<IR::OP_VFRSQRTSCALARINSERT, 4>},
{0x53, 1, &OpDispatchBuilder::VectorScalarUnaryInsertALUOp<IR::OP_VFRECPSCALARINSERT, 4>},
{0x58, 1, &OpDispatchBuilder::VectorScalarInsertALUOp<IR::OP_VFADDSCALARINSERT, 4>},
{0x59, 1, &OpDispatchBuilder::VectorScalarInsertALUOp<IR::OP_VFMULSCALARINSERT, 4>},
{0x5A, 1, &OpDispatchBuilder::InsertScalar_CVT_Float_To_Float<8, 4>},
{0x5B, 1, &OpDispatchBuilder::Vector_CVT_Float_To_Int<4, false, false>},
{0x5C, 1, &OpDispatchBuilder::VectorScalarInsertALUOp<IR::OP_VFSUBSCALARINSERT, 4>},
{0x5D, 1, &OpDispatchBuilder::VectorScalarInsertALUOp<IR::OP_VFMINSCALARINSERT, 4>},
{0x5E, 1, &OpDispatchBuilder::VectorScalarInsertALUOp<IR::OP_VFDIVSCALARINSERT, 4>},
{0x5F, 1, &OpDispatchBuilder::VectorScalarInsertALUOp<IR::OP_VFMAXSCALARINSERT, 4>},
{0x6F, 1, &OpDispatchBuilder::MOVUPS_MOVUPDOp},
{0x70, 1, &OpDispatchBuilder::PSHUFWOp<false>},
{0x7E, 1, &OpDispatchBuilder::MOVQOp},
{0x7F, 1, &OpDispatchBuilder::MOVUPS_MOVUPDOp},
{0xB8, 1, &OpDispatchBuilder::PopcountOp},
{0xBC, 1, &OpDispatchBuilder::TZCNT},
{0xBD, 1, &OpDispatchBuilder::LZCNT},
{0xC2, 1, &OpDispatchBuilder::InsertScalarFCMPOp<4>},
{0xD6, 1, &OpDispatchBuilder::MOVQ2DQ<true>},
{0xE6, 1, &OpDispatchBuilder::Vector_CVT_Int_To_Float<4, true>},
};
constexpr std::tuple<uint8_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> RepNEModOpTable[] = {
{0x10, 2, &OpDispatchBuilder::MOVSDOp},
{0x12, 1, &OpDispatchBuilder::MOVDDUPOp},
{0x19, 7, &OpDispatchBuilder::NOPOp},
{0x2A, 1, &OpDispatchBuilder::InsertCVTGPR_To_FPR<8>},
{0x2B, 1, &OpDispatchBuilder::MOVVectorOp},
{0x2C, 1, &OpDispatchBuilder::CVTFPR_To_GPR<8, false>},
{0x2D, 1, &OpDispatchBuilder::CVTFPR_To_GPR<8, true>},
{0x51, 1, &OpDispatchBuilder::VectorScalarUnaryInsertALUOp<IR::OP_VFSQRTSCALARINSERT, 8>},
//x52 = Invalid
{0x58, 1, &OpDispatchBuilder::VectorScalarInsertALUOp<IR::OP_VFADDSCALARINSERT, 8>},
{0x59, 1, &OpDispatchBuilder::VectorScalarInsertALUOp<IR::OP_VFMULSCALARINSERT, 8>},
{0x5A, 1, &OpDispatchBuilder::InsertScalar_CVT_Float_To_Float<4, 8>},
{0x5C, 1, &OpDispatchBuilder::VectorScalarInsertALUOp<IR::OP_VFSUBSCALARINSERT, 8>},
{0x5D, 1, &OpDispatchBuilder::VectorScalarInsertALUOp<IR::OP_VFMINSCALARINSERT, 8>},
{0x5E, 1, &OpDispatchBuilder::VectorScalarInsertALUOp<IR::OP_VFDIVSCALARINSERT, 8>},
{0x5F, 1, &OpDispatchBuilder::VectorScalarInsertALUOp<IR::OP_VFMAXSCALARINSERT, 8>},
{0x70, 1, &OpDispatchBuilder::PSHUFWOp<true>},
{0x7C, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFADDP, 4>},
{0x7D, 1, &OpDispatchBuilder::HSUBP<4>},
{0xD0, 1, &OpDispatchBuilder::ADDSUBPOp<4>},
{0xD6, 1, &OpDispatchBuilder::MOVQ2DQ<false>},
{0xC2, 1, &OpDispatchBuilder::InsertScalarFCMPOp<8>},
{0xE6, 1, &OpDispatchBuilder::Vector_CVT_Float_To_Int<8, true, true>},
{0xF0, 1, &OpDispatchBuilder::MOVVectorOp},
};
constexpr std::tuple<uint8_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> OpSizeModOpTable[] = {
{0x10, 2, &OpDispatchBuilder::MOVVectorOp},
{0x12, 2, &OpDispatchBuilder::MOVLPOp},
{0x14, 1, &OpDispatchBuilder::PUNPCKLOp<8>},
{0x15, 1, &OpDispatchBuilder::PUNPCKHOp<8>},
{0x16, 2, &OpDispatchBuilder::MOVHPDOp},
{0x19, 7, &OpDispatchBuilder::NOPOp},
{0x28, 2, &OpDispatchBuilder::MOVAPS_MOVAPDOp},
{0x2A, 1, &OpDispatchBuilder::MMX_To_XMM_Vector_CVT_Int_To_Float},
{0x2B, 1, &OpDispatchBuilder::MOVVectorNTOp},
{0x2C, 1, &OpDispatchBuilder::XMM_To_MMX_Vector_CVT_Float_To_Int<8, true, false>},
{0x2D, 1, &OpDispatchBuilder::XMM_To_MMX_Vector_CVT_Float_To_Int<8, true, true>},
{0x2E, 2, &OpDispatchBuilder::UCOMISxOp<8>},
{0x40, 16, &OpDispatchBuilder::CMOVOp},
{0x50, 1, &OpDispatchBuilder::MOVMSKOp<8>},
{0x51, 1, &OpDispatchBuilder::VectorUnaryOp<IR::OP_VFSQRT, 8>},
{0x54, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VAND, 16>},
{0x55, 1, &OpDispatchBuilder::VectorALUROp<IR::OP_VBIC, 8>},
{0x56, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VOR, 16>},
{0x57, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VXOR, 16>},
{0x58, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFADD, 8>},
{0x59, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFMUL, 8>},
{0x5A, 1, &OpDispatchBuilder::Vector_CVT_Float_To_Float<4, 8>},
{0x5B, 1, &OpDispatchBuilder::Vector_CVT_Float_To_Int<4, false, true>},
{0x5C, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFSUB, 8>},
{0x5D, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFMIN, 8>},
{0x5E, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFDIV, 8>},
{0x5F, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFMAX, 8>},
{0x60, 1, &OpDispatchBuilder::PUNPCKLOp<1>},
{0x61, 1, &OpDispatchBuilder::PUNPCKLOp<2>},
{0x62, 1, &OpDispatchBuilder::PUNPCKLOp<4>},
{0x63, 1, &OpDispatchBuilder::PACKSSOp<2>},
{0x64, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VCMPGT, 1>},
{0x65, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VCMPGT, 2>},
{0x66, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VCMPGT, 4>},
{0x67, 1, &OpDispatchBuilder::PACKUSOp<2>},
{0x68, 1, &OpDispatchBuilder::PUNPCKHOp<1>},
{0x69, 1, &OpDispatchBuilder::PUNPCKHOp<2>},
{0x6A, 1, &OpDispatchBuilder::PUNPCKHOp<4>},
{0x6B, 1, &OpDispatchBuilder::PACKSSOp<4>},
{0x6C, 1, &OpDispatchBuilder::PUNPCKLOp<8>},
{0x6D, 1, &OpDispatchBuilder::PUNPCKHOp<8>},
{0x6E, 1, &OpDispatchBuilder::MOVBetweenGPR_FPR},
{0x6F, 1, &OpDispatchBuilder::MOVUPS_MOVUPDOp},
{0x70, 1, &OpDispatchBuilder::PSHUFDOp},
{0x74, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VCMPEQ, 1>},
{0x75, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VCMPEQ, 2>},
{0x76, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VCMPEQ, 4>},
{0x78, 1, nullptr}, // GROUP 17
{0x7C, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFADDP, 8>},
{0x7D, 1, &OpDispatchBuilder::HSUBP<8>},
{0x7E, 1, &OpDispatchBuilder::MOVBetweenGPR_FPR},
{0x7F, 1, &OpDispatchBuilder::MOVUPS_MOVUPDOp},
{0xC2, 1, &OpDispatchBuilder::VFCMPOp<8>},
{0xC4, 1, &OpDispatchBuilder::PINSROp<2>},
{0xC5, 1, &OpDispatchBuilder::PExtrOp<2>},
{0xC6, 1, &OpDispatchBuilder::SHUFOp<8>},
{0xD0, 1, &OpDispatchBuilder::ADDSUBPOp<8>},
{0xD1, 1, &OpDispatchBuilder::PSRLDOp<2>},
{0xD2, 1, &OpDispatchBuilder::PSRLDOp<4>},
{0xD3, 1, &OpDispatchBuilder::PSRLDOp<8>},
{0xD4, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VADD, 8>},
{0xD5, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VMUL, 2>},
{0xD6, 1, &OpDispatchBuilder::MOVQOp},
{0xD7, 1, &OpDispatchBuilder::MOVMSKOpOne}, // PMOVMSKB
{0xD8, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUQSUB, 1>},
{0xD9, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUQSUB, 2>},
{0xDA, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUMIN, 1>},
{0xDB, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VAND, 16>},
{0xDC, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUQADD, 1>},
{0xDD, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUQADD, 2>},
{0xDE, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUMAX, 1>},
{0xDF, 1, &OpDispatchBuilder::VectorALUROp<IR::OP_VBIC, 8>},
{0xE0, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VURAVG, 1>},
{0xE1, 1, &OpDispatchBuilder::PSRAOp<2>},
{0xE2, 1, &OpDispatchBuilder::PSRAOp<4>},
{0xE3, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VURAVG, 2>},
{0xE4, 1, &OpDispatchBuilder::PMULHW<false>},
{0xE5, 1, &OpDispatchBuilder::PMULHW<true>},
{0xE6, 1, &OpDispatchBuilder::Vector_CVT_Float_To_Int<8, true, false>},
{0xE7, 1, &OpDispatchBuilder::MOVVectorNTOp},
{0xE8, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSQSUB, 1>},
{0xE9, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSQSUB, 2>},
{0xEA, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSMIN, 2>},
{0xEB, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VOR, 16>},
{0xEC, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSQADD, 1>},
{0xED, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSQADD, 2>},
{0xEE, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSMAX, 2>},
{0xEF, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VXOR, 16>},
{0xF1, 1, &OpDispatchBuilder::PSLL<2>},
{0xF2, 1, &OpDispatchBuilder::PSLL<4>},
{0xF3, 1, &OpDispatchBuilder::PSLL<8>},
{0xF4, 1, &OpDispatchBuilder::PMULLOp<4, false>},
{0xF5, 1, &OpDispatchBuilder::PMADDWD},
{0xF6, 1, &OpDispatchBuilder::PSADBW},
{0xF7, 1, &OpDispatchBuilder::MASKMOVOp},
{0xF8, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSUB, 1>},
{0xF9, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSUB, 2>},
{0xFA, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSUB, 4>},
{0xFB, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSUB, 8>},
{0xFC, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VADD, 1>},
{0xFD, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VADD, 2>},
{0xFE, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VADD, 4>},
};
constexpr uint16_t PF_NONE = 0;
constexpr uint16_t PF_F3 = 1;
constexpr uint16_t PF_66 = 2;
constexpr uint16_t PF_F2 = 3;
#define OPD(group, prefix, Reg) (((group - FEXCore::X86Tables::TYPE_GROUP_6) << 5) | (prefix) << 3 | (Reg))
constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> SecondaryExtensionOpTable[] = {
// GROUP 7
{OPD(FEXCore::X86Tables::TYPE_GROUP_7, PF_NONE, 0), 1, &OpDispatchBuilder::SGDTOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_7, PF_F3, 0), 1, &OpDispatchBuilder::SGDTOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_7, PF_66, 0), 1, &OpDispatchBuilder::SGDTOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_7, PF_F2, 0), 1, &OpDispatchBuilder::SGDTOp},
// GROUP 8
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_NONE, 4), 1, &OpDispatchBuilder::BTOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_F3, 4), 1, &OpDispatchBuilder::BTOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_66, 4), 1, &OpDispatchBuilder::BTOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_F2, 4), 1, &OpDispatchBuilder::BTOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_NONE, 5), 1, &OpDispatchBuilder::BTSOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_F3, 5), 1, &OpDispatchBuilder::BTSOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_66, 5), 1, &OpDispatchBuilder::BTSOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_F2, 5), 1, &OpDispatchBuilder::BTSOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_NONE, 6), 1, &OpDispatchBuilder::BTROp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_F3, 6), 1, &OpDispatchBuilder::BTROp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_66, 6), 1, &OpDispatchBuilder::BTROp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_F2, 6), 1, &OpDispatchBuilder::BTROp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_NONE, 7), 1, &OpDispatchBuilder::BTCOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_F3, 7), 1, &OpDispatchBuilder::BTCOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_66, 7), 1, &OpDispatchBuilder::BTCOp<1>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_8, PF_F2, 7), 1, &OpDispatchBuilder::BTCOp<1>},
// GROUP 9
{OPD(FEXCore::X86Tables::TYPE_GROUP_9, PF_NONE, 1), 1, &OpDispatchBuilder::CMPXCHGPairOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_9, PF_F3, 1), 1, &OpDispatchBuilder::CMPXCHGPairOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_9, PF_66, 1), 1, &OpDispatchBuilder::CMPXCHGPairOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_9, PF_F2, 1), 1, &OpDispatchBuilder::CMPXCHGPairOp},
// GROUP 12
{OPD(FEXCore::X86Tables::TYPE_GROUP_12, PF_NONE, 2), 1, &OpDispatchBuilder::PSRLI<2>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_12, PF_NONE, 4), 1, &OpDispatchBuilder::PSRAIOp<2>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_12, PF_NONE, 6), 1, &OpDispatchBuilder::PSLLI<2>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_12, PF_66, 2), 1, &OpDispatchBuilder::PSRLI<2>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_12, PF_66, 4), 1, &OpDispatchBuilder::PSRAIOp<2>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_12, PF_66, 6), 1, &OpDispatchBuilder::PSLLI<2>},
// GROUP 13
{OPD(FEXCore::X86Tables::TYPE_GROUP_13, PF_NONE, 2), 1, &OpDispatchBuilder::PSRLI<4>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_13, PF_NONE, 4), 1, &OpDispatchBuilder::PSRAIOp<4>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_13, PF_NONE, 6), 1, &OpDispatchBuilder::PSLLI<4>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_13, PF_66, 2), 1, &OpDispatchBuilder::PSRLI<4>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_13, PF_66, 4), 1, &OpDispatchBuilder::PSRAIOp<4>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_13, PF_66, 6), 1, &OpDispatchBuilder::PSLLI<4>},
// GROUP 14
{OPD(FEXCore::X86Tables::TYPE_GROUP_14, PF_NONE, 2), 1, &OpDispatchBuilder::PSRLI<8>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_14, PF_NONE, 6), 1, &OpDispatchBuilder::PSLLI<8>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_14, PF_66, 2), 1, &OpDispatchBuilder::PSRLI<8>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_14, PF_66, 3), 1, &OpDispatchBuilder::PSRLDQ},
{OPD(FEXCore::X86Tables::TYPE_GROUP_14, PF_66, 6), 1, &OpDispatchBuilder::PSLLI<8>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_14, PF_66, 7), 1, &OpDispatchBuilder::PSLLDQ},
// GROUP 15
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_NONE, 0), 1, &OpDispatchBuilder::FXSaveOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_NONE, 1), 1, &OpDispatchBuilder::FXRStoreOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_NONE, 2), 1, &OpDispatchBuilder::LDMXCSR},
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_NONE, 3), 1, &OpDispatchBuilder::STMXCSR},
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_NONE, 4), 1, &OpDispatchBuilder::XSaveOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_NONE, 5), 1, &OpDispatchBuilder::LoadFenceOrXRSTOR}, // LFENCE (or XRSTOR)
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_NONE, 6), 1, &OpDispatchBuilder::MemFenceOrXSAVEOPT}, // MFENCE (or XSAVEOPT)
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_NONE, 7), 1, &OpDispatchBuilder::StoreFenceOrCLFlush}, // SFENCE (or CLFLUSH)
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_F3, 5), 1, &OpDispatchBuilder::UnimplementedOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_F3, 6), 1, &OpDispatchBuilder::UnimplementedOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_66, 6), 1, &OpDispatchBuilder::CLWB},
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_66, 7), 1, &OpDispatchBuilder::CLFLUSHOPT},
// GROUP 16
{OPD(FEXCore::X86Tables::TYPE_GROUP_16, PF_NONE, 0), 8, &OpDispatchBuilder::NOPOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_16, PF_F3, 0), 8, &OpDispatchBuilder::NOPOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_16, PF_66, 0), 8, &OpDispatchBuilder::NOPOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_16, PF_F2, 0), 8, &OpDispatchBuilder::NOPOp},
// GROUP P
{OPD(FEXCore::X86Tables::TYPE_GROUP_P, PF_NONE, 0), 8, &OpDispatchBuilder::NOPOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_P, PF_F3, 0), 8, &OpDispatchBuilder::NOPOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_P, PF_66, 0), 8, &OpDispatchBuilder::NOPOp},
{OPD(FEXCore::X86Tables::TYPE_GROUP_P, PF_F2, 0), 8, &OpDispatchBuilder::NOPOp},
};
constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> SecondaryExtensionOpTable_64[] = {
// GROUP 15
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_F3, 0), 1, &OpDispatchBuilder::ReadSegmentReg<OpDispatchBuilder::Segment::FS>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_F3, 1), 1, &OpDispatchBuilder::ReadSegmentReg<OpDispatchBuilder::Segment::GS>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_F3, 2), 1, &OpDispatchBuilder::WriteSegmentReg<OpDispatchBuilder::Segment::FS>},
{OPD(FEXCore::X86Tables::TYPE_GROUP_15, PF_F3, 3), 1, &OpDispatchBuilder::WriteSegmentReg<OpDispatchBuilder::Segment::GS>},
};
#undef OPD
constexpr std::tuple<uint8_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> SecondaryModRMExtensionOpTable[] = {
// REG /2
{((1 << 3) | 0), 1, &OpDispatchBuilder::XGetBVOp},
// REG /7
{((3 << 3) | 1), 1, &OpDispatchBuilder::RDTSCPOp},
};
// Top bit indicating if it needs to be repeated with {0x40, 0x80} or'd in
// All OPDReg versions need it
#define OPDReg(op, reg) ((1 << 15) | ((op - 0xD8) << 8) | (reg << 3))
#define OPD(op, modrmop) (((op - 0xD8) << 8) | modrmop)
constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> X87F64OpTable[] = {
{OPDReg(0xD8, 0) | 0x00, 8, &OpDispatchBuilder::FADDF64<32, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xD8, 1) | 0x00, 8, &OpDispatchBuilder::FMULF64<32, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xD8, 2) | 0x00, 8, &OpDispatchBuilder::FCOMIF64<32, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xD8, 3) | 0x00, 8, &OpDispatchBuilder::FCOMIF64<32, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xD8, 4) | 0x00, 8, &OpDispatchBuilder::FSUBF64<32, false, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xD8, 5) | 0x00, 8, &OpDispatchBuilder::FSUBF64<32, false, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xD8, 6) | 0x00, 8, &OpDispatchBuilder::FDIVF64<32, false, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xD8, 7) | 0x00, 8, &OpDispatchBuilder::FDIVF64<32, false, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xD8, 0xC0), 8, &OpDispatchBuilder::FADDF64<80, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xD8, 0xC8), 8, &OpDispatchBuilder::FMULF64<80, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xD8, 0xD0), 8, &OpDispatchBuilder::FCOMIF64<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPD(0xD8, 0xD8), 8, &OpDispatchBuilder::FCOMIF64<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPD(0xD8, 0xE0), 8, &OpDispatchBuilder::FSUBF64<80, false, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xD8, 0xE8), 8, &OpDispatchBuilder::FSUBF64<80, false, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xD8, 0xF0), 8, &OpDispatchBuilder::FDIVF64<80, false, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xD8, 0xF8), 8, &OpDispatchBuilder::FDIVF64<80, false, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xD9, 0) | 0x00, 8, &OpDispatchBuilder::FLDF64<32>},
// 1 = Invalid
{OPDReg(0xD9, 2) | 0x00, 8, &OpDispatchBuilder::FSTF64<32>},
{OPDReg(0xD9, 3) | 0x00, 8, &OpDispatchBuilder::FSTF64<32>},
{OPDReg(0xD9, 4) | 0x00, 8, &OpDispatchBuilder::X87LDENVF64},
{OPDReg(0xD9, 5) | 0x00, 8, &OpDispatchBuilder::X87FLDCWF64},
{OPDReg(0xD9, 6) | 0x00, 8, &OpDispatchBuilder::X87FNSTENV},
{OPDReg(0xD9, 7) | 0x00, 8, &OpDispatchBuilder::X87FSTCW},
{OPD(0xD9, 0xC0), 8, &OpDispatchBuilder::FLDF64<80>},
{OPD(0xD9, 0xC8), 8, &OpDispatchBuilder::FXCH},
{OPD(0xD9, 0xD0), 1, &OpDispatchBuilder::NOPOp}, // FNOP
// D1 = Invalid
// D8 = Invalid
{OPD(0xD9, 0xE0), 1, &OpDispatchBuilder::FCHSF64},
{OPD(0xD9, 0xE1), 1, &OpDispatchBuilder::FABSF64},
// E2 = Invalid
{OPD(0xD9, 0xE4), 1, &OpDispatchBuilder::FTSTF64},
{OPD(0xD9, 0xE5), 1, &OpDispatchBuilder::X87FXAMF64},
// E6 = Invalid
{OPD(0xD9, 0xE8), 1, &OpDispatchBuilder::FLDF64_Const<0x3FF0000000000000>}, // 1.0
{OPD(0xD9, 0xE9), 1, &OpDispatchBuilder::FLDF64_Const<0x400A934F0979A372>}, // log2l(10)
{OPD(0xD9, 0xEA), 1, &OpDispatchBuilder::FLDF64_Const<0x3FF71547652B82FE>}, // log2l(e)
{OPD(0xD9, 0xEB), 1, &OpDispatchBuilder::FLDF64_Const<0x400921FB54442D18>}, // pi
{OPD(0xD9, 0xEC), 1, &OpDispatchBuilder::FLDF64_Const<0x3FD34413509F79FF>}, // log10l(2)
{OPD(0xD9, 0xED), 1, &OpDispatchBuilder::FLDF64_Const<0x3FE62E42FEFA39EF>}, // log(2)
{OPD(0xD9, 0xEE), 1, &OpDispatchBuilder::FLDF64_Const<0>}, // 0.0
// EF = Invalid
{OPD(0xD9, 0xF0), 1, &OpDispatchBuilder::X87UnaryOpF64<IR::OP_F64F2XM1>},
{OPD(0xD9, 0xF1), 1, &OpDispatchBuilder::X87FYL2XF64},
{OPD(0xD9, 0xF2), 1, &OpDispatchBuilder::X87TANF64},
{OPD(0xD9, 0xF3), 1, &OpDispatchBuilder::X87ATANF64},
{OPD(0xD9, 0xF4), 1, &OpDispatchBuilder::FXTRACTF64},
{OPD(0xD9, 0xF5), 1, &OpDispatchBuilder::X87BinaryOpF64<IR::OP_F64FPREM1>},
{OPD(0xD9, 0xF6), 1, &OpDispatchBuilder::X87ModifySTP<false>},
{OPD(0xD9, 0xF7), 1, &OpDispatchBuilder::X87ModifySTP<true>},
{OPD(0xD9, 0xF8), 1, &OpDispatchBuilder::X87BinaryOpF64<IR::OP_F64FPREM>},
{OPD(0xD9, 0xF9), 1, &OpDispatchBuilder::X87FYL2XF64},
{OPD(0xD9, 0xFA), 1, &OpDispatchBuilder::FSQRTF64},
{OPD(0xD9, 0xFB), 1, &OpDispatchBuilder::X87SinCosF64},
{OPD(0xD9, 0xFC), 1, &OpDispatchBuilder::FRNDINTF64},
{OPD(0xD9, 0xFD), 1, &OpDispatchBuilder::X87BinaryOpF64<IR::OP_F64SCALE>},
{OPD(0xD9, 0xFE), 1, &OpDispatchBuilder::X87UnaryOpF64<IR::OP_F64SIN>},
{OPD(0xD9, 0xFF), 1, &OpDispatchBuilder::X87UnaryOpF64<IR::OP_F64COS>},
{OPDReg(0xDA, 0) | 0x00, 8, &OpDispatchBuilder::FADDF64<32, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDA, 1) | 0x00, 8, &OpDispatchBuilder::FMULF64<32, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDA, 2) | 0x00, 8, &OpDispatchBuilder::FCOMIF64<32, true, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xDA, 3) | 0x00, 8, &OpDispatchBuilder::FCOMIF64<32, true, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xDA, 4) | 0x00, 8, &OpDispatchBuilder::FSUBF64<32, true, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDA, 5) | 0x00, 8, &OpDispatchBuilder::FSUBF64<32, true, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDA, 6) | 0x00, 8, &OpDispatchBuilder::FDIVF64<32, true, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDA, 7) | 0x00, 8, &OpDispatchBuilder::FDIVF64<32, true, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xDA, 0xC0), 8, &OpDispatchBuilder::X87FCMOV},
{OPD(0xDA, 0xC8), 8, &OpDispatchBuilder::X87FCMOV},
{OPD(0xDA, 0xD0), 8, &OpDispatchBuilder::X87FCMOV},
{OPD(0xDA, 0xD8), 8, &OpDispatchBuilder::X87FCMOV},
// E0 = Invalid
// E8 = Invalid
{OPD(0xDA, 0xE9), 1, &OpDispatchBuilder::FCOMIF64<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, true>},
// EA = Invalid
// F0 = Invalid
// F8 = Invalid
{OPDReg(0xDB, 0) | 0x00, 8, &OpDispatchBuilder::FILDF64},
{OPDReg(0xDB, 1) | 0x00, 8, &OpDispatchBuilder::FISTF64<true>},
{OPDReg(0xDB, 2) | 0x00, 8, &OpDispatchBuilder::FISTF64<false>},
{OPDReg(0xDB, 3) | 0x00, 8, &OpDispatchBuilder::FISTF64<false>},
// 4 = Invalid
{OPDReg(0xDB, 5) | 0x00, 8, &OpDispatchBuilder::FLDF64<80>},
// 6 = Invalid
{OPDReg(0xDB, 7) | 0x00, 8, &OpDispatchBuilder::FSTF64<80>},
{OPD(0xDB, 0xC0), 8, &OpDispatchBuilder::X87FCMOV},
{OPD(0xDB, 0xC8), 8, &OpDispatchBuilder::X87FCMOV},
{OPD(0xDB, 0xD0), 8, &OpDispatchBuilder::X87FCMOV},
{OPD(0xDB, 0xD8), 8, &OpDispatchBuilder::X87FCMOV},
// E0 = Invalid
{OPD(0xDB, 0xE2), 1, &OpDispatchBuilder::NOPOp}, // FNCLEX
{OPD(0xDB, 0xE3), 1, &OpDispatchBuilder::FNINITF64},
// E4 = Invalid
{OPD(0xDB, 0xE8), 8, &OpDispatchBuilder::FCOMIF64<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_RFLAGS, false>},
{OPD(0xDB, 0xF0), 8, &OpDispatchBuilder::FCOMIF64<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_RFLAGS, false>},
// F8 = Invalid
{OPDReg(0xDC, 0) | 0x00, 8, &OpDispatchBuilder::FADDF64<64, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDC, 1) | 0x00, 8, &OpDispatchBuilder::FMULF64<64, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDC, 2) | 0x00, 8, &OpDispatchBuilder::FCOMIF64<64, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xDC, 3) | 0x00, 8, &OpDispatchBuilder::FCOMIF64<64, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xDC, 4) | 0x00, 8, &OpDispatchBuilder::FSUBF64<64, false, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDC, 5) | 0x00, 8, &OpDispatchBuilder::FSUBF64<64, false, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDC, 6) | 0x00, 8, &OpDispatchBuilder::FDIVF64<64, false, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDC, 7) | 0x00, 8, &OpDispatchBuilder::FDIVF64<64, false, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xDC, 0xC0), 8, &OpDispatchBuilder::FADDF64<80, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDC, 0xC8), 8, &OpDispatchBuilder::FMULF64<80, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDC, 0xE0), 8, &OpDispatchBuilder::FSUBF64<80, false, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDC, 0xE8), 8, &OpDispatchBuilder::FSUBF64<80, false, true, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDC, 0xF0), 8, &OpDispatchBuilder::FDIVF64<80, false, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDC, 0xF8), 8, &OpDispatchBuilder::FDIVF64<80, false, true, OpDispatchBuilder::OpResult::RES_STI>},
{OPDReg(0xDD, 0) | 0x00, 8, &OpDispatchBuilder::FLDF64<64>},
{OPDReg(0xDD, 1) | 0x00, 8, &OpDispatchBuilder::FISTF64<true>},
{OPDReg(0xDD, 2) | 0x00, 8, &OpDispatchBuilder::FSTF64<64>},
{OPDReg(0xDD, 3) | 0x00, 8, &OpDispatchBuilder::FSTF64<64>},
{OPDReg(0xDD, 4) | 0x00, 8, &OpDispatchBuilder::X87FRSTORF64},
// 5 = Invalid
{OPDReg(0xDD, 6) | 0x00, 8, &OpDispatchBuilder::X87FNSAVEF64},
{OPDReg(0xDD, 7) | 0x00, 8, &OpDispatchBuilder::X87FNSTSW},
{OPD(0xDD, 0xC0), 8, &OpDispatchBuilder::X87FFREE},
{OPD(0xDD, 0xD0), 8, &OpDispatchBuilder::FST}, //register-register from regular X87
{OPD(0xDD, 0xD8), 8, &OpDispatchBuilder::FST}, //^
{OPD(0xDD, 0xE0), 8, &OpDispatchBuilder::FCOMIF64<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPD(0xDD, 0xE8), 8, &OpDispatchBuilder::FCOMIF64<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xDE, 0) | 0x00, 8, &OpDispatchBuilder::FADDF64<16, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDE, 1) | 0x00, 8, &OpDispatchBuilder::FMULF64<16, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDE, 2) | 0x00, 8, &OpDispatchBuilder::FCOMIF64<16, true, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xDE, 3) | 0x00, 8, &OpDispatchBuilder::FCOMIF64<16, true, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xDE, 4) | 0x00, 8, &OpDispatchBuilder::FSUBF64<16, true, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDE, 5) | 0x00, 8, &OpDispatchBuilder::FSUBF64<16, true, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDE, 6) | 0x00, 8, &OpDispatchBuilder::FDIVF64<16, true, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDE, 7) | 0x00, 8, &OpDispatchBuilder::FDIVF64<16, true, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xDE, 0xC0), 8, &OpDispatchBuilder::FADDF64<80, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDE, 0xC8), 8, &OpDispatchBuilder::FMULF64<80, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDE, 0xD9), 1, &OpDispatchBuilder::FCOMIF64<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, true>},
{OPD(0xDE, 0xE0), 8, &OpDispatchBuilder::FSUBF64<80, false, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDE, 0xE8), 8, &OpDispatchBuilder::FSUBF64<80, false, true, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDE, 0xF0), 8, &OpDispatchBuilder::FDIVF64<80, false, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDE, 0xF8), 8, &OpDispatchBuilder::FDIVF64<80, false, true, OpDispatchBuilder::OpResult::RES_STI>},
{OPDReg(0xDF, 0) | 0x00, 8, &OpDispatchBuilder::FILDF64},
{OPDReg(0xDF, 1) | 0x00, 8, &OpDispatchBuilder::FISTF64<true>},
{OPDReg(0xDF, 2) | 0x00, 8, &OpDispatchBuilder::FISTF64<false>},
{OPDReg(0xDF, 3) | 0x00, 8, &OpDispatchBuilder::FISTF64<false>},
{OPDReg(0xDF, 4) | 0x00, 8, &OpDispatchBuilder::FBLDF64},
{OPDReg(0xDF, 5) | 0x00, 8, &OpDispatchBuilder::FILDF64},
{OPDReg(0xDF, 6) | 0x00, 8, &OpDispatchBuilder::FBSTPF64},
{OPDReg(0xDF, 7) | 0x00, 8, &OpDispatchBuilder::FISTF64<false>},
// XXX: This should also set the x87 tag bits to empty
// We don't support this currently, so just pop the stack
{OPD(0xDF, 0xC0), 8, &OpDispatchBuilder::X87ModifySTP<true>},
{OPD(0xDF, 0xE0), 8, &OpDispatchBuilder::X87FNSTSW},
{OPD(0xDF, 0xE8), 8, &OpDispatchBuilder::FCOMIF64<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_RFLAGS, false>},
{OPD(0xDF, 0xF0), 8, &OpDispatchBuilder::FCOMIF64<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_RFLAGS, false>},
};
constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> X87OpTable[] = {
{OPDReg(0xD8, 0) | 0x00, 8, &OpDispatchBuilder::FADD<32, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xD8, 1) | 0x00, 8, &OpDispatchBuilder::FMUL<32, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xD8, 2) | 0x00, 8, &OpDispatchBuilder::FCOMI<32, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xD8, 3) | 0x00, 8, &OpDispatchBuilder::FCOMI<32, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xD8, 4) | 0x00, 8, &OpDispatchBuilder::FSUB<32, false, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xD8, 5) | 0x00, 8, &OpDispatchBuilder::FSUB<32, false, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xD8, 6) | 0x00, 8, &OpDispatchBuilder::FDIV<32, false, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xD8, 7) | 0x00, 8, &OpDispatchBuilder::FDIV<32, false, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xD8, 0xC0), 8, &OpDispatchBuilder::FADD<80, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xD8, 0xC8), 8, &OpDispatchBuilder::FMUL<80, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xD8, 0xD0), 8, &OpDispatchBuilder::FCOMI<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPD(0xD8, 0xD8), 8, &OpDispatchBuilder::FCOMI<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPD(0xD8, 0xE0), 8, &OpDispatchBuilder::FSUB<80, false, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xD8, 0xE8), 8, &OpDispatchBuilder::FSUB<80, false, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xD8, 0xF0), 8, &OpDispatchBuilder::FDIV<80, false, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xD8, 0xF8), 8, &OpDispatchBuilder::FDIV<80, false, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xD9, 0) | 0x00, 8, &OpDispatchBuilder::FLD<32>},
// 1 = Invalid
{OPDReg(0xD9, 2) | 0x00, 8, &OpDispatchBuilder::FST<32>},
{OPDReg(0xD9, 3) | 0x00, 8, &OpDispatchBuilder::FST<32>},
{OPDReg(0xD9, 4) | 0x00, 8, &OpDispatchBuilder::X87LDENV},
{OPDReg(0xD9, 5) | 0x00, 8, &OpDispatchBuilder::X87FLDCW}, // XXX: stubbed FLDCW
{OPDReg(0xD9, 6) | 0x00, 8, &OpDispatchBuilder::X87FNSTENV},
{OPDReg(0xD9, 7) | 0x00, 8, &OpDispatchBuilder::X87FSTCW},
{OPD(0xD9, 0xC0), 8, &OpDispatchBuilder::FLD<80>},
{OPD(0xD9, 0xC8), 8, &OpDispatchBuilder::FXCH},
{OPD(0xD9, 0xD0), 1, &OpDispatchBuilder::NOPOp}, // FNOP
// D1 = Invalid
// D8 = Invalid
{OPD(0xD9, 0xE0), 1, &OpDispatchBuilder::FCHS},
{OPD(0xD9, 0xE1), 1, &OpDispatchBuilder::FABS},
// E2 = Invalid
{OPD(0xD9, 0xE4), 1, &OpDispatchBuilder::FTST},
{OPD(0xD9, 0xE5), 1, &OpDispatchBuilder::X87FXAM},
// E6 = Invalid
{OPD(0xD9, 0xE8), 1, &OpDispatchBuilder::FLD_Const<0x8000'0000'0000'0000, 0b0'011'1111'1111'1111>}, // 1.0
{OPD(0xD9, 0xE9), 1, &OpDispatchBuilder::FLD_Const<0xD49A'784B'CD1B'8AFE, 0x4000>}, // log2l(10)
{OPD(0xD9, 0xEA), 1, &OpDispatchBuilder::FLD_Const<0xB8AA'3B29'5C17'F0BC, 0x3FFF>}, // log2l(e)
{OPD(0xD9, 0xEB), 1, &OpDispatchBuilder::FLD_Const<0xC90F'DAA2'2168'C235, 0x4000>}, // pi
{OPD(0xD9, 0xEC), 1, &OpDispatchBuilder::FLD_Const<0x9A20'9A84'FBCF'F799, 0x3FFD>}, // log10l(2)
{OPD(0xD9, 0xED), 1, &OpDispatchBuilder::FLD_Const<0xB172'17F7'D1CF'79AC, 0x3FFE>}, // log(2)
{OPD(0xD9, 0xEE), 1, &OpDispatchBuilder::FLD_Const<0, 0>}, // 0.0
// EF = Invalid
{OPD(0xD9, 0xF0), 1, &OpDispatchBuilder::X87UnaryOp<IR::OP_F80F2XM1>},
{OPD(0xD9, 0xF1), 1, &OpDispatchBuilder::X87FYL2X},
{OPD(0xD9, 0xF2), 1, &OpDispatchBuilder::X87TAN},
{OPD(0xD9, 0xF3), 1, &OpDispatchBuilder::X87ATAN},
{OPD(0xD9, 0xF4), 1, &OpDispatchBuilder::FXTRACT},
{OPD(0xD9, 0xF5), 1, &OpDispatchBuilder::X87BinaryOp<IR::OP_F80FPREM1>},
{OPD(0xD9, 0xF6), 1, &OpDispatchBuilder::X87ModifySTP<false>},
{OPD(0xD9, 0xF7), 1, &OpDispatchBuilder::X87ModifySTP<true>},
{OPD(0xD9, 0xF8), 1, &OpDispatchBuilder::X87BinaryOp<IR::OP_F80FPREM>},
{OPD(0xD9, 0xF9), 1, &OpDispatchBuilder::X87FYL2X},
{OPD(0xD9, 0xFA), 1, &OpDispatchBuilder::X87UnaryOp<IR::OP_F80SQRT>},
{OPD(0xD9, 0xFB), 1, &OpDispatchBuilder::X87SinCos},
{OPD(0xD9, 0xFC), 1, &OpDispatchBuilder::FRNDINT},
{OPD(0xD9, 0xFD), 1, &OpDispatchBuilder::X87BinaryOp<IR::OP_F80SCALE>},
{OPD(0xD9, 0xFE), 1, &OpDispatchBuilder::X87UnaryOp<IR::OP_F80SIN>},
{OPD(0xD9, 0xFF), 1, &OpDispatchBuilder::X87UnaryOp<IR::OP_F80COS>},
{OPDReg(0xDA, 0) | 0x00, 8, &OpDispatchBuilder::FADD<32, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDA, 1) | 0x00, 8, &OpDispatchBuilder::FMUL<32, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDA, 2) | 0x00, 8, &OpDispatchBuilder::FCOMI<32, true, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xDA, 3) | 0x00, 8, &OpDispatchBuilder::FCOMI<32, true, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xDA, 4) | 0x00, 8, &OpDispatchBuilder::FSUB<32, true, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDA, 5) | 0x00, 8, &OpDispatchBuilder::FSUB<32, true, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDA, 6) | 0x00, 8, &OpDispatchBuilder::FDIV<32, true, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDA, 7) | 0x00, 8, &OpDispatchBuilder::FDIV<32, true, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xDA, 0xC0), 8, &OpDispatchBuilder::X87FCMOV},
{OPD(0xDA, 0xC8), 8, &OpDispatchBuilder::X87FCMOV},
{OPD(0xDA, 0xD0), 8, &OpDispatchBuilder::X87FCMOV},
{OPD(0xDA, 0xD8), 8, &OpDispatchBuilder::X87FCMOV},
// E0 = Invalid
// E8 = Invalid
{OPD(0xDA, 0xE9), 1, &OpDispatchBuilder::FCOMI<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, true>},
// EA = Invalid
// F0 = Invalid
// F8 = Invalid
{OPDReg(0xDB, 0) | 0x00, 8, &OpDispatchBuilder::FILD},
{OPDReg(0xDB, 1) | 0x00, 8, &OpDispatchBuilder::FIST<true>},
{OPDReg(0xDB, 2) | 0x00, 8, &OpDispatchBuilder::FIST<false>},
{OPDReg(0xDB, 3) | 0x00, 8, &OpDispatchBuilder::FIST<false>},
// 4 = Invalid
{OPDReg(0xDB, 5) | 0x00, 8, &OpDispatchBuilder::FLD<80>},
// 6 = Invalid
{OPDReg(0xDB, 7) | 0x00, 8, &OpDispatchBuilder::FST<80>},
{OPD(0xDB, 0xC0), 8, &OpDispatchBuilder::X87FCMOV},
{OPD(0xDB, 0xC8), 8, &OpDispatchBuilder::X87FCMOV},
{OPD(0xDB, 0xD0), 8, &OpDispatchBuilder::X87FCMOV},
{OPD(0xDB, 0xD8), 8, &OpDispatchBuilder::X87FCMOV},
// E0 = Invalid
{OPD(0xDB, 0xE2), 1, &OpDispatchBuilder::NOPOp}, // FNCLEX
{OPD(0xDB, 0xE3), 1, &OpDispatchBuilder::FNINIT},
// E4 = Invalid
{OPD(0xDB, 0xE8), 8, &OpDispatchBuilder::FCOMI<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_RFLAGS, false>},
{OPD(0xDB, 0xF0), 8, &OpDispatchBuilder::FCOMI<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_RFLAGS, false>},
// F8 = Invalid
{OPDReg(0xDC, 0) | 0x00, 8, &OpDispatchBuilder::FADD<64, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDC, 1) | 0x00, 8, &OpDispatchBuilder::FMUL<64, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDC, 2) | 0x00, 8, &OpDispatchBuilder::FCOMI<64, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xDC, 3) | 0x00, 8, &OpDispatchBuilder::FCOMI<64, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xDC, 4) | 0x00, 8, &OpDispatchBuilder::FSUB<64, false, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDC, 5) | 0x00, 8, &OpDispatchBuilder::FSUB<64, false, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDC, 6) | 0x00, 8, &OpDispatchBuilder::FDIV<64, false, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDC, 7) | 0x00, 8, &OpDispatchBuilder::FDIV<64, false, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xDC, 0xC0), 8, &OpDispatchBuilder::FADD<80, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDC, 0xC8), 8, &OpDispatchBuilder::FMUL<80, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDC, 0xE0), 8, &OpDispatchBuilder::FSUB<80, false, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDC, 0xE8), 8, &OpDispatchBuilder::FSUB<80, false, true, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDC, 0xF0), 8, &OpDispatchBuilder::FDIV<80, false, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDC, 0xF8), 8, &OpDispatchBuilder::FDIV<80, false, true, OpDispatchBuilder::OpResult::RES_STI>},
{OPDReg(0xDD, 0) | 0x00, 8, &OpDispatchBuilder::FLD<64>},
{OPDReg(0xDD, 1) | 0x00, 8, &OpDispatchBuilder::FIST<true>},
{OPDReg(0xDD, 2) | 0x00, 8, &OpDispatchBuilder::FST<64>},
{OPDReg(0xDD, 3) | 0x00, 8, &OpDispatchBuilder::FST<64>},
{OPDReg(0xDD, 4) | 0x00, 8, &OpDispatchBuilder::X87FRSTOR},
// 5 = Invalid
{OPDReg(0xDD, 6) | 0x00, 8, &OpDispatchBuilder::X87FNSAVE},
{OPDReg(0xDD, 7) | 0x00, 8, &OpDispatchBuilder::X87FNSTSW},
{OPD(0xDD, 0xC0), 8, &OpDispatchBuilder::X87FFREE},
{OPD(0xDD, 0xD0), 8, &OpDispatchBuilder::FST},
{OPD(0xDD, 0xD8), 8, &OpDispatchBuilder::FST},
{OPD(0xDD, 0xE0), 8, &OpDispatchBuilder::FCOMI<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPD(0xDD, 0xE8), 8, &OpDispatchBuilder::FCOMI<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xDE, 0) | 0x00, 8, &OpDispatchBuilder::FADD<16, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDE, 1) | 0x00, 8, &OpDispatchBuilder::FMUL<16, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDE, 2) | 0x00, 8, &OpDispatchBuilder::FCOMI<16, true, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xDE, 3) | 0x00, 8, &OpDispatchBuilder::FCOMI<16, true, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, false>},
{OPDReg(0xDE, 4) | 0x00, 8, &OpDispatchBuilder::FSUB<16, true, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDE, 5) | 0x00, 8, &OpDispatchBuilder::FSUB<16, true, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDE, 6) | 0x00, 8, &OpDispatchBuilder::FDIV<16, true, false, OpDispatchBuilder::OpResult::RES_ST0>},
{OPDReg(0xDE, 7) | 0x00, 8, &OpDispatchBuilder::FDIV<16, true, true, OpDispatchBuilder::OpResult::RES_ST0>},
{OPD(0xDE, 0xC0), 8, &OpDispatchBuilder::FADD<80, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDE, 0xC8), 8, &OpDispatchBuilder::FMUL<80, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDE, 0xD9), 1, &OpDispatchBuilder::FCOMI<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_X87, true>},
{OPD(0xDE, 0xE0), 8, &OpDispatchBuilder::FSUB<80, false, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDE, 0xE8), 8, &OpDispatchBuilder::FSUB<80, false, true, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDE, 0xF0), 8, &OpDispatchBuilder::FDIV<80, false, false, OpDispatchBuilder::OpResult::RES_STI>},
{OPD(0xDE, 0xF8), 8, &OpDispatchBuilder::FDIV<80, false, true, OpDispatchBuilder::OpResult::RES_STI>},
{OPDReg(0xDF, 0) | 0x00, 8, &OpDispatchBuilder::FILD},
{OPDReg(0xDF, 1) | 0x00, 8, &OpDispatchBuilder::FIST<true>},
{OPDReg(0xDF, 2) | 0x00, 8, &OpDispatchBuilder::FIST<false>},
{OPDReg(0xDF, 3) | 0x00, 8, &OpDispatchBuilder::FIST<false>},
{OPDReg(0xDF, 4) | 0x00, 8, &OpDispatchBuilder::FBLD},
{OPDReg(0xDF, 5) | 0x00, 8, &OpDispatchBuilder::FILD},
{OPDReg(0xDF, 6) | 0x00, 8, &OpDispatchBuilder::FBSTP},
{OPDReg(0xDF, 7) | 0x00, 8, &OpDispatchBuilder::FIST<false>},
// XXX: This should also set the x87 tag bits to empty
// We don't support this currently, so just pop the stack
{OPD(0xDF, 0xC0), 8, &OpDispatchBuilder::X87ModifySTP<true>},
{OPD(0xDF, 0xE0), 8, &OpDispatchBuilder::X87FNSTSW},
{OPD(0xDF, 0xE8), 8, &OpDispatchBuilder::FCOMI<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_RFLAGS, false>},
{OPD(0xDF, 0xF0), 8, &OpDispatchBuilder::FCOMI<80, false, OpDispatchBuilder::FCOMIFlags::FLAGS_RFLAGS, false>},
};
#undef OPD
#undef OPDReg
#define OPD(prefix, opcode) (((prefix) << 8) | opcode)
constexpr uint16_t PF_38_NONE = 0;
constexpr uint16_t PF_38_66 = (1U << 0);
constexpr uint16_t PF_38_F3 = (1U << 2);
constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> H0F38Table[] = {
{OPD(PF_38_NONE, 0x00), 1, &OpDispatchBuilder::PSHUFBOp},
{OPD(PF_38_66, 0x00), 1, &OpDispatchBuilder::PSHUFBOp},
{OPD(PF_38_NONE, 0x01), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VADDP, 2>},
{OPD(PF_38_66, 0x01), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VADDP, 2>},
{OPD(PF_38_NONE, 0x02), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VADDP, 4>},
{OPD(PF_38_66, 0x02), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VADDP, 4>},
{OPD(PF_38_NONE, 0x03), 1, &OpDispatchBuilder::PHADDS},
{OPD(PF_38_66, 0x03), 1, &OpDispatchBuilder::PHADDS},
{OPD(PF_38_NONE, 0x04), 1, &OpDispatchBuilder::PMADDUBSW},
{OPD(PF_38_66, 0x04), 1, &OpDispatchBuilder::PMADDUBSW},
{OPD(PF_38_NONE, 0x05), 1, &OpDispatchBuilder::PHSUB<2>},
{OPD(PF_38_66, 0x05), 1, &OpDispatchBuilder::PHSUB<2>},
{OPD(PF_38_NONE, 0x06), 1, &OpDispatchBuilder::PHSUB<4>},
{OPD(PF_38_66, 0x06), 1, &OpDispatchBuilder::PHSUB<4>},
{OPD(PF_38_NONE, 0x07), 1, &OpDispatchBuilder::PHSUBS},
{OPD(PF_38_66, 0x07), 1, &OpDispatchBuilder::PHSUBS},
{OPD(PF_38_NONE, 0x08), 1, &OpDispatchBuilder::PSIGN<1>},
{OPD(PF_38_66, 0x08), 1, &OpDispatchBuilder::PSIGN<1>},
{OPD(PF_38_NONE, 0x09), 1, &OpDispatchBuilder::PSIGN<2>},
{OPD(PF_38_66, 0x09), 1, &OpDispatchBuilder::PSIGN<2>},
{OPD(PF_38_NONE, 0x0A), 1, &OpDispatchBuilder::PSIGN<4>},
{OPD(PF_38_66, 0x0A), 1, &OpDispatchBuilder::PSIGN<4>},
{OPD(PF_38_NONE, 0x0B), 1, &OpDispatchBuilder::PMULHRSW},
{OPD(PF_38_66, 0x0B), 1, &OpDispatchBuilder::PMULHRSW},
{OPD(PF_38_66, 0x10), 1, &OpDispatchBuilder::VectorVariableBlend<1>},
{OPD(PF_38_66, 0x14), 1, &OpDispatchBuilder::VectorVariableBlend<4>},
{OPD(PF_38_66, 0x15), 1, &OpDispatchBuilder::VectorVariableBlend<8>},
{OPD(PF_38_66, 0x17), 1, &OpDispatchBuilder::PTestOp},
{OPD(PF_38_NONE, 0x1C), 1, &OpDispatchBuilder::VectorUnaryOp<IR::OP_VABS, 1>},
{OPD(PF_38_66, 0x1C), 1, &OpDispatchBuilder::VectorUnaryOp<IR::OP_VABS, 1>},
{OPD(PF_38_NONE, 0x1D), 1, &OpDispatchBuilder::VectorUnaryOp<IR::OP_VABS, 2>},
{OPD(PF_38_66, 0x1D), 1, &OpDispatchBuilder::VectorUnaryOp<IR::OP_VABS, 2>},
{OPD(PF_38_NONE, 0x1E), 1, &OpDispatchBuilder::VectorUnaryOp<IR::OP_VABS, 4>},
{OPD(PF_38_66, 0x1E), 1, &OpDispatchBuilder::VectorUnaryOp<IR::OP_VABS, 4>},
{OPD(PF_38_66, 0x20), 1, &OpDispatchBuilder::ExtendVectorElements<1, 2, true>},
{OPD(PF_38_66, 0x21), 1, &OpDispatchBuilder::ExtendVectorElements<1, 4, true>},
{OPD(PF_38_66, 0x22), 1, &OpDispatchBuilder::ExtendVectorElements<1, 8, true>},
{OPD(PF_38_66, 0x23), 1, &OpDispatchBuilder::ExtendVectorElements<2, 4, true>},
{OPD(PF_38_66, 0x24), 1, &OpDispatchBuilder::ExtendVectorElements<2, 8, true>},
{OPD(PF_38_66, 0x25), 1, &OpDispatchBuilder::ExtendVectorElements<4, 8, true>},
{OPD(PF_38_66, 0x28), 1, &OpDispatchBuilder::PMULLOp<4, true>},
{OPD(PF_38_66, 0x29), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VCMPEQ, 8>},
{OPD(PF_38_66, 0x2A), 1, &OpDispatchBuilder::MOVVectorNTOp},
{OPD(PF_38_66, 0x2B), 1, &OpDispatchBuilder::PACKUSOp<4>},
{OPD(PF_38_66, 0x30), 1, &OpDispatchBuilder::ExtendVectorElements<1, 2, false>},
{OPD(PF_38_66, 0x31), 1, &OpDispatchBuilder::ExtendVectorElements<1, 4, false>},
{OPD(PF_38_66, 0x32), 1, &OpDispatchBuilder::ExtendVectorElements<1, 8, false>},
{OPD(PF_38_66, 0x33), 1, &OpDispatchBuilder::ExtendVectorElements<2, 4, false>},
{OPD(PF_38_66, 0x34), 1, &OpDispatchBuilder::ExtendVectorElements<2, 8, false>},
{OPD(PF_38_66, 0x35), 1, &OpDispatchBuilder::ExtendVectorElements<4, 8, false>},
{OPD(PF_38_66, 0x37), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VCMPGT, 8>},
{OPD(PF_38_66, 0x38), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSMIN, 1>},
{OPD(PF_38_66, 0x39), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSMIN, 4>},
{OPD(PF_38_66, 0x3A), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUMIN, 2>},
{OPD(PF_38_66, 0x3B), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUMIN, 4>},
{OPD(PF_38_66, 0x3C), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSMAX, 1>},
{OPD(PF_38_66, 0x3D), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VSMAX, 4>},
{OPD(PF_38_66, 0x3E), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUMAX, 2>},
{OPD(PF_38_66, 0x3F), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VUMAX, 4>},
{OPD(PF_38_66, 0x40), 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VMUL, 4>},
{OPD(PF_38_66, 0x41), 1, &OpDispatchBuilder::PHMINPOSUWOp},
{OPD(PF_38_NONE, 0xF0), 2, &OpDispatchBuilder::MOVBEOp},
{OPD(PF_38_66, 0xF0), 2, &OpDispatchBuilder::MOVBEOp},
{OPD(PF_38_66, 0xF6), 1, &OpDispatchBuilder::ADXOp},
{OPD(PF_38_F3, 0xF6), 1, &OpDispatchBuilder::ADXOp},
};
#undef OPD
#define OPD(REX, prefix, opcode) ((REX << 9) | (prefix << 8) | opcode)
#define PF_3A_NONE 0
#define PF_3A_66 1
constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> H0F3ATable[] = {
{OPD(0, PF_3A_66, 0x08), 1, &OpDispatchBuilder::VectorRound<4>},
{OPD(0, PF_3A_66, 0x09), 1, &OpDispatchBuilder::VectorRound<8>},
{OPD(0, PF_3A_66, 0x0A), 1, &OpDispatchBuilder::InsertScalarRound<4>},
{OPD(0, PF_3A_66, 0x0B), 1, &OpDispatchBuilder::InsertScalarRound<8>},
{OPD(0, PF_3A_66, 0x0C), 1, &OpDispatchBuilder::VectorBlend<4>},
{OPD(0, PF_3A_66, 0x0D), 1, &OpDispatchBuilder::VectorBlend<8>},
{OPD(0, PF_3A_66, 0x0E), 1, &OpDispatchBuilder::VectorBlend<2>},
{OPD(0, PF_3A_NONE, 0x0F), 1, &OpDispatchBuilder::PAlignrOp},
{OPD(0, PF_3A_66, 0x0F), 1, &OpDispatchBuilder::PAlignrOp},
{OPD(1, PF_3A_66, 0x0F), 1, &OpDispatchBuilder::PAlignrOp},
{OPD(0, PF_3A_66, 0x14), 1, &OpDispatchBuilder::PExtrOp<1>},
{OPD(0, PF_3A_66, 0x15), 1, &OpDispatchBuilder::PExtrOp<2>},
{OPD(0, PF_3A_66, 0x16), 1, &OpDispatchBuilder::PExtrOp<4>},
{OPD(1, PF_3A_66, 0x16), 1, &OpDispatchBuilder::PExtrOp<8>},
{OPD(0, PF_3A_66, 0x17), 1, &OpDispatchBuilder::PExtrOp<4>},
{OPD(0, PF_3A_66, 0x20), 1, &OpDispatchBuilder::PINSROp<1>},
{OPD(0, PF_3A_66, 0x21), 1, &OpDispatchBuilder::InsertPSOp},
{OPD(0, PF_3A_66, 0x22), 1, &OpDispatchBuilder::PINSROp<4>},
{OPD(1, PF_3A_66, 0x22), 1, &OpDispatchBuilder::PINSROp<8>},
{OPD(0, PF_3A_66, 0x40), 1, &OpDispatchBuilder::DPPOp<4>},
{OPD(0, PF_3A_66, 0x41), 1, &OpDispatchBuilder::DPPOp<8>},
{OPD(0, PF_3A_66, 0x42), 1, &OpDispatchBuilder::MPSADBWOp},
{OPD(0, PF_3A_66, 0x60), 1, &OpDispatchBuilder::VPCMPESTRMOp},
{OPD(0, PF_3A_66, 0x61), 1, &OpDispatchBuilder::VPCMPESTRIOp},
{OPD(0, PF_3A_66, 0x62), 1, &OpDispatchBuilder::VPCMPISTRMOp},
{OPD(0, PF_3A_66, 0x63), 1, &OpDispatchBuilder::VPCMPISTRIOp},
{OPD(0, PF_3A_NONE, 0xCC), 1, &OpDispatchBuilder::SHA1RNDS4Op},
};
#undef PF_3A_NONE
#undef PF_3A_66
#undef OPD
static constexpr std::tuple<uint8_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> DDDNowTable[] = {
{0x0C, 1, &OpDispatchBuilder::PI2FWOp},
{0x0D, 1, &OpDispatchBuilder::Vector_CVT_Int_To_Float<4, false>},
{0x1C, 1, &OpDispatchBuilder::PF2IWOp},
{0x1D, 1, &OpDispatchBuilder::Vector_CVT_Float_To_Int<4, false, false>},
{0x86, 1, &OpDispatchBuilder::VectorUnaryOp<IR::OP_VFRECP, 4>},
{0x87, 1, &OpDispatchBuilder::VectorUnaryOp<IR::OP_VFRSQRT, 4>},
{0x8A, 1, &OpDispatchBuilder::PFNACCOp},
{0x8E, 1, &OpDispatchBuilder::PFPNACCOp},
{0x90, 1, &OpDispatchBuilder::VPFCMPOp<1>},
{0x94, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFMIN, 4>},
{0x96, 1, &OpDispatchBuilder::VectorUnaryDuplicateOp<IR::OP_VFRECP, 4>},
{0x97, 1, &OpDispatchBuilder::VectorUnaryDuplicateOp<IR::OP_VFRSQRT, 4>},
{0x9A, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFSUB, 4>},
{0x9E, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFADD, 4>},
{0xA0, 1, &OpDispatchBuilder::VPFCMPOp<2>},
{0xA4, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFMAX, 4>},
// Can be treated as a move
{0xA6, 1, &OpDispatchBuilder::MOVVectorOp},
{0xA7, 1, &OpDispatchBuilder::MOVVectorOp},
{0xAA, 1, &OpDispatchBuilder::VectorALUROp<IR::OP_VFSUB, 4>},
{0xAE, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFADDP, 4>},
{0xB0, 1, &OpDispatchBuilder::VPFCMPOp<0>},
{0xB4, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VFMUL, 4>},
// Can be treated as a move
{0xB6, 1, &OpDispatchBuilder::MOVVectorOp},
{0xB7, 1, &OpDispatchBuilder::PMULHRWOp},
{0xBB, 1, &OpDispatchBuilder::PSWAPDOp},
{0xBF, 1, &OpDispatchBuilder::VectorALUOp<IR::OP_VURAVG, 1>},
};
#define OPD(map_select, pp, opcode) (((map_select - 1) << 10) | (pp << 8) | (opcode))
static constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> BMITable[] = {
{OPD(2, 0b00, 0xF2), 1, &OpDispatchBuilder::ANDNBMIOp},
{OPD(2, 0b00, 0xF5), 1, &OpDispatchBuilder::BZHI},
{OPD(2, 0b10, 0xF5), 1, &OpDispatchBuilder::PEXT},
{OPD(2, 0b11, 0xF5), 1, &OpDispatchBuilder::PDEP},
{OPD(2, 0b11, 0xF6), 1, &OpDispatchBuilder::MULX},
{OPD(2, 0b00, 0xF7), 1, &OpDispatchBuilder::BEXTRBMIOp},
{OPD(2, 0b01, 0xF7), 1, &OpDispatchBuilder::BMI2Shift},
{OPD(2, 0b10, 0xF7), 1, &OpDispatchBuilder::BMI2Shift},
{OPD(2, 0b11, 0xF7), 1, &OpDispatchBuilder::BMI2Shift},
{OPD(3, 0b11, 0xF0), 1, &OpDispatchBuilder::RORX},
};
#undef OPD
#define OPD(group, pp, opcode) (((group - X86Tables::InstType::TYPE_VEX_GROUP_12) << 4) | (pp << 3) | (opcode))
constexpr std::tuple<uint8_t, uint8_t, X86Tables::OpDispatchPtr> VEXGroupTable[] = {
{OPD(X86Tables::InstType::TYPE_VEX_GROUP_17, 0, 0b001), 1, &OpDispatchBuilder::BLSRBMIOp},
{OPD(X86Tables::InstType::TYPE_VEX_GROUP_17, 0, 0b010), 1, &OpDispatchBuilder::BLSMSKBMIOp},
{OPD(X86Tables::InstType::TYPE_VEX_GROUP_17, 0, 0b011), 1, &OpDispatchBuilder::BLSIBMIOp},
};
#undef OPD
constexpr std::tuple<uint8_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> EVEXTable[] = {
{0x10, 2, &OpDispatchBuilder::UnimplementedOp},
{0x59, 1, &OpDispatchBuilder::UnimplementedOp},
{0x7F, 1, &OpDispatchBuilder::UnimplementedOp},
};
auto InstallToTable = [](auto& FinalTable, auto& LocalTable) {
for (auto Op : LocalTable) {
auto OpNum = std::get<0>(Op);
auto Dispatcher = std::get<2>(Op);
for (uint8_t i = 0; i < std::get<1>(Op); ++i) {
LOGMAN_THROW_A_FMT(FinalTable[OpNum + i].OpcodeDispatcher == nullptr, "Duplicate Entry");
FinalTable[OpNum + i].OpcodeDispatcher = Dispatcher;
}
}
};
auto InstallToX87Table = [](auto& FinalTable, auto& LocalTable) {
for (auto Op : LocalTable) {
auto OpNum = std::get<0>(Op);
bool Repeat = (OpNum & 0x8000) != 0;
OpNum = OpNum & 0x7FF;
auto Dispatcher = std::get<2>(Op);
for (uint8_t i = 0; i < std::get<1>(Op); ++i) {
LOGMAN_THROW_A_FMT(FinalTable[OpNum + i].OpcodeDispatcher == nullptr, "Duplicate Entry");
FinalTable[OpNum + i].OpcodeDispatcher = Dispatcher;
// Flag to indicate if we need to repeat this op in {0x40, 0x80} ranges
if (Repeat) {
FinalTable[(OpNum | 0x40) + i].OpcodeDispatcher = Dispatcher;
FinalTable[(OpNum | 0x80) + i].OpcodeDispatcher = Dispatcher;
}
}
}
};
InstallToTable(FEXCore::X86Tables::BaseOps, BaseOpTable);
if (Mode == Context::MODE_32BIT) {
InstallToTable(FEXCore::X86Tables::BaseOps, BaseOpTable_32);
InstallToTable(FEXCore::X86Tables::SecondBaseOps, TwoByteOpTable_32);
}
else {
InstallToTable(FEXCore::X86Tables::BaseOps, BaseOpTable_64);
InstallToTable(FEXCore::X86Tables::SecondBaseOps, TwoByteOpTable_64);
}
InstallToTable(FEXCore::X86Tables::SecondBaseOps, TwoByteOpTable);
InstallToTable(FEXCore::X86Tables::PrimaryInstGroupOps, PrimaryGroupOpTable);
InstallToTable(FEXCore::X86Tables::RepModOps, RepModOpTable);
InstallToTable(FEXCore::X86Tables::RepNEModOps, RepNEModOpTable);
InstallToTable(FEXCore::X86Tables::OpSizeModOps, OpSizeModOpTable);
InstallToTable(FEXCore::X86Tables::SecondInstGroupOps, SecondaryExtensionOpTable);
if (Mode == Context::MODE_64BIT) {
InstallToTable(FEXCore::X86Tables::SecondInstGroupOps, SecondaryExtensionOpTable_64);
}
InstallToTable(FEXCore::X86Tables::SecondModRMTableOps, SecondaryModRMExtensionOpTable);
FEX_CONFIG_OPT(ReducedPrecision, X87REDUCEDPRECISION);
if(ReducedPrecision) {
InstallToX87Table(FEXCore::X86Tables::X87Ops, X87F64OpTable);
} else {
InstallToX87Table(FEXCore::X86Tables::X87Ops, X87OpTable);
}
InstallToTable(FEXCore::X86Tables::H0F38TableOps, H0F38Table);
InstallToTable(FEXCore::X86Tables::H0F3ATableOps, H0F3ATable);
InstallToTable(FEXCore::X86Tables::DDDNowOps, DDDNowTable);
InstallToTable(FEXCore::X86Tables::VEXTableOps, BMITable);
InstallToTable(FEXCore::X86Tables::VEXTableGroupOps, VEXGroupTable);
InstallToTable(FEXCore::X86Tables::EVEXTableOps, EVEXTable);
}
}
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