mirrors/dynarmic
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

emit_x64_vector: packusdw reqiures SSE4.1

Browse source 
In EmitVectorSignedSaturatedNarrowToUnsigned32.
This commit is contained in:
MerryMage 2018-07-24 17:32:00 +01:00
parent 712c6c1d7e
commit 8ef114d48f
1 changed files with 14 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
src/backend_x64/emit_x64_vector.cpp
View file

@ -2241,13 +2241,25 @@ void EmitX64::EmitVectorSignedSaturatedNarrowToUnsigned16(EmitContext& ctx, IR::
}
void EmitX64::EmitVectorSignedSaturatedNarrowToUnsigned32(EmitContext& ctx, IR::Inst* inst) {
EmitVectorSignedSaturatedNarrowToUnsigned(32, code, ctx, inst);
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
EmitVectorSignedSaturatedNarrowToUnsigned(32, code, ctx, inst);
return;
}
EmitOneArgumentFallbackWithSaturation(code, ctx, inst, [](VectorArray<u16>& result, const VectorArray<s32>& a) {
bool qc_flag = false;
for (size_t i = 0; i < a.size(); ++i) {
const s32 saturated = std::clamp<s32>(a[i], 0, 0xFFFF);
result[i] = static_cast<u16>(saturated);
qc_flag |= saturated != a[i];
}
return qc_flag;
});
}
void EmitX64::EmitVectorSignedSaturatedNarrowToUnsigned64(EmitContext& ctx, IR::Inst* inst) {
EmitOneArgumentFallbackWithSaturation(code, ctx, inst, [](VectorArray<u32>& result, const VectorArray<s64>& a) {
bool qc_flag = false;
result.fill(0);
for (size_t i = 0; i < a.size(); ++i) {
const s64 saturated = std::clamp<s64>(a[i], 0, 0xFFFFFFFF);
result[i] = static_cast<u32>(saturated);