OpcodeDispatcher: Fixes segment prefixing on vector element loadstores

These had completely forgotten to load segment prefixes on the element
loadstore operations. This had caused a crash on the Linux version of
"Halls of Tormet" (steamid 2218750).

This game has TLS vector data which it was loading with a movhps and hit
this path.
This commit is contained in:
Ryan Houdek committed 2024-10-03 20:51:37 -07:00
1 parent b89f5b8a03
commit 7dda75646d
2 files changed
+10 -10

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@@ -857,7 +857,7 @@ void OpDispatchBuilder::AVX128_VMOVLP(OpcodeArgs) {
///< VMOVLPS/PD xmm1, xmm2, mem64
// Bits[63:0] come from Src2[63:0]
// Bits[127:64] come from Src1[127:64]
auto Src2 = LoadSource_WithOpSize(GPRClass, Op, Op->Src[1], OpSize::i64Bit, Op->Flags, {.LoadData = false});
auto Src2 = MakeSegmentAddress(Op, Op->Src[1]);
Ref Result_Low = _VLoadVectorElement(OpSize::i128Bit, OpSize::i64Bit, Src1.Low, 0, Src2);
Ref ZeroVector = LoadZeroVector(OpSize::i128Bit);
@@ -879,11 +879,11 @@ void OpDispatchBuilder::AVX128_VMOVHP(OpcodeArgs) {
if (!Op->Dest.IsGPR()) {
///< VMOVHPS/PD mem64, xmm1
// Need to store Bits[127:64]. Use a vector element store.
auto Dest = LoadSource_WithOpSize(GPRClass, Op, Op->Dest, OpSize::i64Bit, Op->Flags, {.LoadData = false});
auto Dest = MakeSegmentAddress(Op, Op->Dest);
_VStoreVectorElement(OpSize::i128Bit, OpSize::i64Bit, Src1.Low, 1, Dest);
} else if (!Op->Src[1].IsGPR()) {
///< VMOVHPS/PD xmm2, xmm1, mem64
auto Src2 = LoadSource_WithOpSize(GPRClass, Op, Op->Src[1], OpSize::i64Bit, Op->Flags, {.LoadData = false});
auto Src2 = MakeSegmentAddress(Op, Op->Src[1]);
// Bits[63:0] come from Src1[63:0]
// Bits[127:64] come from Src2[63:0]
@@ -1236,7 +1236,7 @@ void OpDispatchBuilder::AVX128_PExtr(OpcodeArgs) {
}
// If we are storing to memory then we store the size of the element extracted
Ref Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, {.LoadData = false});
Ref Dest = MakeSegmentAddress(Op, Op->Dest);
_VStoreVectorElement(OpSize::i128Bit, OverridenElementSize, Src.Low, Index, Dest);
}
@@ -1386,7 +1386,7 @@ void OpDispatchBuilder::AVX128_PINSRImpl(OpcodeArgs, size_t ElementSize, const X
Result.Low = _VInsGPR(OpSize::i128Bit, ElementSize, Index, Src1.Low, Src2);
} else {
// If loading from memory then we only load the element size
auto Src2 = LoadSource_WithOpSize(GPRClass, Op, Src2Op, ElementSize, Op->Flags, {.LoadData = false});
auto Src2 = MakeSegmentAddress(Op, Src2Op);
Result.Low = _VLoadVectorElement(OpSize::i128Bit, ElementSize, Src1.Low, Index, Src2);
}
@@ -106,7 +106,7 @@ void OpDispatchBuilder::MOVHPDOp(OpcodeArgs) {
} else {
// If the destination is a GPR then the source is memory
// xmm1[127:64] = src
Ref Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, {.LoadData = false});
Ref Src = MakeSegmentAddress(Op, Op->Src[0]);
Ref Dest = LoadSource_WithOpSize(FPRClass, Op, Op->Dest, 16, Op->Flags);
auto Result = _VLoadVectorElement(16, 8, Dest, 1, Src);
StoreResult(FPRClass, Op, Result, -1);
@@ -115,7 +115,7 @@ void OpDispatchBuilder::MOVHPDOp(OpcodeArgs) {
// In this case memory is the destination and the high bits of the XMM are source
// Mem64 = xmm1[127:64]
Ref Src = LoadSource(FPRClass, Op, Op->Src[0], Op->Flags);
Ref Dest = LoadSource_WithOpSize(GPRClass, Op, Op->Dest, 8, Op->Flags, {.LoadData = false});
Ref Dest = MakeSegmentAddress(Op, Op->Dest);
_VStoreVectorElement(16, 8, Src, 1, Dest);
}
}
@@ -144,7 +144,7 @@ void OpDispatchBuilder::MOVLPOp(OpcodeArgs) {
StoreResult_WithOpSize(FPRClass, Op, Op->Dest, Result, 16, 16);
} else {
auto DstSize = GetDstSize(Op);
Ref Src = LoadSource(GPRClass, Op, Op->Src[0], Op->Flags, {.Align = 8, .LoadData = false});
Ref Src = MakeSegmentAddress(Op, Op->Src[0]);
Ref Dest = LoadSource_WithOpSize(FPRClass, Op, Op->Dest, DstSize, Op->Flags);
auto Result = _VLoadVectorElement(16, 8, Dest, 0, Src);
StoreResult(FPRClass, Op, Result, -1);
@@ -1515,7 +1515,7 @@ Ref OpDispatchBuilder::PINSROpImpl(OpcodeArgs, size_t ElementSize, const X86Tabl
}
// If loading from memory then we only load the element size
auto Src2 = LoadSource_WithOpSize(GPRClass, Op, Src2Op, ElementSize, Op->Flags, {.LoadData = false});
Ref Src2 = MakeSegmentAddress(Op, Src2Op);
return _VLoadVectorElement(Size, ElementSize, Src1, Index, Src2);
}
@@ -1639,7 +1639,7 @@ void OpDispatchBuilder::PExtrOp(OpcodeArgs, size_t ElementSize) {
}
// If we are storing to memory then we store the size of the element extracted
Ref Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, {.LoadData = false});
Ref Dest = MakeSegmentAddress(Op, Op->Dest);
_VStoreVectorElement(16, OverridenElementSize, Src, Index, Dest);
}