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emit_x64_vector: Vectorize fallback path in EmitVectorMaxU16()

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Lioncash 2018-04-27 13:36:03 -04:00 committed by MerryMage
parent cda75e2079
commit af28e89a13
1 changed files with 8 additions and 3 deletions
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11
src/backend_x64/emit_x64_vector.cpp
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@ -1000,9 +1000,14 @@ void EmitX64::EmitVectorMaxU16(EmitContext& ctx, IR::Inst* inst) {
return; return;
} }
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u16, 8>& result, const std::array<u16, 8>& a, const std::array<u16, 8>& b){ auto args = ctx.reg_alloc.GetArgumentInfo(inst);
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::max(x, y); }); const Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
}); const Xbyak::Xmm b = ctx.reg_alloc.UseXmm(args[1]);
code.psubusw(a, b);
code.paddw(a, b);
ctx.reg_alloc.DefineValue(inst, a);
} }
void EmitX64::EmitVectorMaxU32(EmitContext& ctx, IR::Inst* inst) { void EmitX64::EmitVectorMaxU32(EmitContext& ctx, IR::Inst* inst) {