src/x64/codegen-x64.cc - Issue 23654026: Use xorps to break the cvtsi2sd unnecessary dependence due to its partially written

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Unified Diff: src/x64/codegen-x64.cc

Issue 23654026: Use xorps to break the cvtsi2sd unnecessary dependence due to its partially written (Closed) Base URL: git://github.com/v8/v8.git@master

Patch Set: rebase to master and address comments Created 7 years, 3 months ago

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Index: src/x64/codegen-x64.cc

diff --git a/src/x64/codegen-x64.cc b/src/x64/codegen-x64.cc

index 24773c2595d1303aac57cacd10cad243a868e9e0..4beff435e605d18c0aadcfacfea2efc30578a274 100644

--- a/src/x64/codegen-x64.cc

+++ b/src/x64/codegen-x64.cc

@@ -386,7 +386,7 @@ void ElementsTransitionGenerator::GenerateSmiToDouble(

// rbx: current element (smi-tagged)

__ JumpIfNotSmi(rbx, &convert_hole);

__ SmiToInteger32(rbx, rbx);

- __ cvtlsi2sd(xmm0, rbx);

+ __ Cvtlsi2sd(xmm0, rbx);

__ movsd(FieldOperand(r14, r9, times_8, FixedDoubleArray::kHeaderSize),

xmm0);

__ jmp(&entry);

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