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emit_x64_vector: Amend value definition in SSE 4.1 path for EmitVectorSignExtend16()

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We should be defining the value after the results have been calculated
to be consistent with the rest of the code.
This commit is contained in:
Lioncash 2018-08-31 08:34:20 -04:00 committed by Merry
parent e50adae441
commit 4fc51f41b1
1 changed files with 1 additions and 1 deletions
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2
src/backend/x64/emit_x64_vector.cpp
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@ -2452,8 +2452,8 @@ void EmitX64::EmitVectorSignExtend16(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
const Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
ctx.reg_alloc.DefineValue(inst, a);
code.pmovsxwd(a, a);
ctx.reg_alloc.DefineValue(inst, a);
} else {
const Xbyak::Xmm a = ctx.reg_alloc.UseXmm(args[0]);
const Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();