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x86_64/VectorOps: Handle 8-bit VShlI IR op

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Useful for handling VPERMD.
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Lioncache committed 2023-02-20 16:45:13 -05:00
1 parent 8beae0fce4
commit 1ea53c65ab
1 file changed
+17
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External/FEXCore/Source/Interface/Core/JIT/x86_64/VectorOps.cpp
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@@ -3332,6 +3332,23 @@ DEF_OP(VShlI) {
const auto Vector = GetSrc(Op->Vector.ID());
switch (ElementSize) {
case 1: {
const auto Mask = 0xFFU >> BitShift;
mov(rax, Mask);
vmovq(xmm15, rax);
if (Is256Bit) {
vpsllw(ToYMM(Dst), ToYMM(Vector), BitShift);
vpbroadcastb(ymm15, xmm15);
vpand(ToYMM(Dst), ToYMM(Dst), ymm15);
} else {
vpsllw(Dst, Vector, BitShift);
vpbroadcastb(xmm15, xmm15);
vpand(Dst, Dst, ymm15);
}
break;
}
case 2: {
if (Is256Bit) {
vpsllw(ToYMM(Dst), ToYMM(Vector), BitShift);