steam-frame/FEX-Emu--FEX
1
0 Fork 0
mirror of https://github.com/FEX-Emu/FEX.git synced 2026-10-14 10:00:42 +02:00
Code Issues Packages Projects Releases 67 Wiki Activity

Fixes a bug in the CBW/CWDE/CDQE instruction

Browse Source 
Was running at the wrong size the entire time
This commit is contained in:
Ryan Houdek authored and Stefanos Kornilios Mitsis Poiitidis committed 2020-03-06 07:55:14 +02:00
1 parent 199cfd76d8
commit 4ccdd689ce
2 files changed
+11 -12
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

Source/Interface/Core/OpcodeDispatcher.cpp
+7 -8
View File
@@ -836,14 +836,14 @@ void OpDispatchBuilder::XCHGOp(OpcodeArgs) {
void OpDispatchBuilder::CDQOp(OpcodeArgs) {
OrderedNode *Src = LoadSource(Op, Op->Src1, Op->Flags);
// Op size is destination size
// Therefore sext OpSize/2
uint8_t SrcSize = GetSrcSize(Op) / 2;
Src = _Sext(SrcSize * 8, Src);
if (SrcSize == 4)
Src = _Zext(SrcSize * 2 * 8, Src);
uint8_t SrcSize = GetSrcSize(Op);
StoreResult_WithOpSize(Op, Op->Dest, Src, SrcSize * 2 * 8);
Src = _Sext(SrcSize * 4, Src);
if (SrcSize == 4) {
Src = _Zext(SrcSize * 8, Src);
SrcSize *= 2;
}
StoreResult_WithOpSize(Op, Op->Dest, Src, SrcSize * 8);
}
void OpDispatchBuilder::SAHFOp(OpcodeArgs) {
@@ -3242,7 +3242,6 @@ void OpDispatchBuilder::ReplaceAllUsesWithInclusive(OrderedNode *Node, OrderedNo
for (uint8_t i = 0; i < IROp->NumArgs; ++i) {
if (IROp->Args[i].ID() == Node->Wrapped(ListBegin).ID()) {
LogMan::Msg::D("\tAt %%ssa%d: Replacing ID %%ssa%d with %%ssa%d", WrapperOp->ID(), IROp->Args[i].ID(), NewNode->Wrapped(ListBegin).ID());
Node->RemoveUse();
NewNode->AddUse();
IROp->Args[i].NodeOffset = NewNode->Wrapped(ListBegin).NodeOffset;