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emit_x64_vector: Emit VPMINSQ and VPMINUQ for 64-bit vector min operations if AVX-512VL is available

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Lioncash 2018-05-03 18:39:28 -04:00 committed by MerryMage
parent b97b71b8aa
commit 3d00dd63b4
1 changed files with 10 additions and 0 deletions
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10
src/backend_x64/emit_x64_vector.cpp
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@ -1160,6 +1160,11 @@ void EmitX64::EmitVectorMinS32(EmitContext& ctx, IR::Inst* inst) {
}
void EmitX64::EmitVectorMinS64(EmitContext& ctx, IR::Inst* inst) {
if (code.DoesCpuSupport(Xbyak::util::Cpu::tAVX512VL)) {
EmitAVXVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::vpminsq);
return;
}
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<s64, 2>& result, const std::array<s64, 2>& a, const std::array<s64, 2>& b){
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::min(x, y); });
});
@ -1218,6 +1223,11 @@ void EmitX64::EmitVectorMinU32(EmitContext& ctx, IR::Inst* inst) {
}
void EmitX64::EmitVectorMinU64(EmitContext& ctx, IR::Inst* inst) {
if (code.DoesCpuSupport(Xbyak::util::Cpu::tAVX512VL)) {
EmitAVXVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::vpminuq);
return;
}
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u64, 2>& result, const std::array<u64, 2>& a, const std::array<u64, 2>& b){
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::min(x, y); });
});