FEX-Emu/FEX
1
0
Fork 0
mirror of https://github.com/FEX-Emu/FEX.git synced 2025-02-08 15:47:10 +00:00
Code Issues Actions 6 Packages Projects Releases Wiki Activity

OpcodeDispatcher: allow upper garbage on STOS

Browse Source 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig 2024-03-11 18:47:27 -04:00
parent 03c6abdad4
commit 7629007cfa
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
View File

@ -3627,7 +3627,8 @@ void OpDispatchBuilder::STOSOp(OpcodeArgs) {
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);
// Src is used only for a store of the same size so allow garbage
OrderedNode *Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, {.AllowUpperGarbage = true});
OrderedNode *Dest = LoadGPRRegister(X86State::REG_RDI);
// Only ES prefix