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emit_x64_vector: Provide AVX path for EmitVectorMinS64()

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Lioncash 2018-08-31 11:48:37 -04:00 committed by MerryMage
parent 770723f449
commit fd49a62b06
1 changed files with 13 additions and 0 deletions
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13
src/backend/x64/emit_x64_vector.cpp
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@ -1427,6 +1427,19 @@ void EmitX64::EmitVectorMinS64(EmitContext& ctx, IR::Inst* inst) {
return; return;
} }
if (code.DoesCpuSupport(Xbyak::util::Cpu::tAVX)) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
const Xbyak::Xmm x = ctx.reg_alloc.UseXmm(args[0]);
const Xbyak::Xmm y = ctx.reg_alloc.UseScratchXmm(args[1]);
code.vpcmpgtq(xmm0, y, x);
code.pblendvb(y, x);
ctx.reg_alloc.DefineValue(inst, y);
return;
}
EmitTwoArgumentFallback(code, ctx, inst, [](VectorArray<s64>& result, const VectorArray<s64>& a, const VectorArray<s64>& b){ EmitTwoArgumentFallback(code, ctx, inst, [](VectorArray<s64>& result, const VectorArray<s64>& a, const VectorArray<s64>& b){
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::min(x, y); }); std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::min(x, y); });
}); });