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Merge pull request #4169 from Sonicadvance1/x87_loadstore_tests

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unittests/ASM: Fixes x87 80-bit loads on the edge of page boundaries.
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LC authored and GitHub committed 2024-11-30 10:43:10 -05:00
2 parents baddfe00b1 f0d25d413b
commit 2e7fc60dbf
6 files changed
+91 -10
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FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
+8
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@@ -4307,6 +4307,14 @@ Ref OpDispatchBuilder::LoadSource_WithOpSize(RegisterClassType Class, const X86T
}
if ((IsOperandMem(Operand, true) && LoadData) || ForceLoad) {
if (OpSize == OpSize::f80Bit) {
Ref MemSrc = LoadEffectiveAddress(A, true);
// For X87 extended doubles, Split the load.
auto Res = _LoadMem(Class, OpSize::i64Bit, MemSrc, Align == OpSize::iInvalid ? OpSize : Align);
return _VLoadVectorElement(OpSize::i128Bit, OpSize::i16Bit, Res, 4, _Add(OpSize::i64Bit, MemSrc, _InlineConstant(8)));
}
return _LoadMemAutoTSO(Class, OpSize, A, Align == OpSize::iInvalid ? OpSize : Align);
} else {
return LoadEffectiveAddress(A, false, AllowUpperGarbage);