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IR: Allow passing padding and MaxBytes through Constant IR

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Ryan Houdek committed 2025-12-29 11:04:34 -08:00
1 parent 900c1790d3
commit cb432548bf
3 files changed
+32 -4
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FEXCore/Source/Interface/Core/JIT/ALUOps.cpp
+9 -2
View File
@@ -43,8 +43,15 @@ DEF_BINOP_WITH_CONSTANT(Ror, rorv, ror)
DEF_OP(Constant) {
auto Op = IROp->C<IR::IROp_Constant>();
auto Dst = GetReg(Node);
// TODO: Audit the frontend generating these constants and pass through padding information.
LoadConstant(ARMEmitter::Size::i64Bit, Dst, Op->Constant, CPU::Arm64Emitter::PadType::AUTOPAD);
const auto PadType = [Pad = Op->Pad]() {
switch (Pad) {
case IR::ConstPad::NoPad: return CPU::Arm64Emitter::PadType::NOPAD;
case IR::ConstPad::DoPad: return CPU::Arm64Emitter::PadType::DOPAD;
default: return CPU::Arm64Emitter::PadType::AUTOPAD;
}
}();
LoadConstant(ARMEmitter::Size::i64Bit, Dst, Op->Constant, PadType, Op->MaxBytes);
}
DEF_OP(EntrypointOffset) {
FEXCore/Source/Interface/IR/IR.json
+12 -2
View File
@@ -105,6 +105,11 @@
"PosInfinity = 2,",
"TowardsZero = 3, /* Truncate */",
"Host = 4,"
],
"class ConstPad : uint8_t": [
"NoPad = 0,",
"DoPad = 1,",
"AutoPad = 2,"
]
},
"Defines": [
@@ -142,6 +147,7 @@
"MemOffsetType": "MemOffsetType",
"BreakDefinition": "BreakDefinition",
"RoundType": "RoundMode",
"ConstPad": "ConstPad",
"FloatCompareOp": "FloatCompareOp",
"NamedVectorConstant": "FEXCore::IR::NamedVectorConstant",
"IndexNamedVectorConstant": "FEXCore::IR::IndexNamedVectorConstant",
@@ -930,11 +936,15 @@
]
},
"GPR = Constant i64:$Constant": {
"GPR = Constant i64:$Constant, ConstPad:$Pad{ConstPad::AutoPad}, i32:$MaxBytes{0}": {
"Desc": ["Generates a 64bit constant inside of a GPR",
"Unsupported to create a constant in FPR"
],
"DestSize": "OpSize::i64Bit"
"DestSize": "OpSize::i64Bit",
"EmitValidation": [
"MaxBytes >= 0 && MaxBytes <= 8 && (MaxBytes & 1) == 0",
"MaxBytes == 0 || (Constant >> (MaxBytes * 8)) == 0"
]
},
"InlineConstant i64:$Constant": {
FEXCore/Source/Interface/IR/IRDumper.cpp
+11
View File
@@ -149,6 +149,17 @@ static void PrintArg(fextl::stringstream* out, const IRListView*, RoundMode Arg)
}();
}
static void PrintArg(fextl::stringstream* out, const IRListView*, ConstPad Arg) {
*out << [Arg] {
switch (Arg) {
case ConstPad::NoPad: return "NoPad";
case ConstPad::DoPad: return "DoPad";
case ConstPad::AutoPad: return "AutoPad";
}
return "<Unknown ConstPad Type>";
}();
}
static void PrintArg(fextl::stringstream* out, const IRListView*, NamedVectorConstant Arg) {
*out << [Arg] {
// clang-format off