src/x64/codegen-x64.cc - Issue 2023763010: [x64] Make xmm0 allocatable and use xmm15 as scratch register instead.

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

Issue 2023763010: [x64] Make xmm0 allocatable and use xmm15 as scratch register instead. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Created 4 years, 7 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 114cbdc2d0c8893d3c70969556367ae7a9bc8046..6731e9eba86a5fe2e4826e9b21eba8249076fb9b 100644

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

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

@@ -243,8 +243,9 @@ void ElementsTransitionGenerator::GenerateSmiToDouble(

// rbx: current element (smi-tagged)

__ JumpIfNotSmi(rbx, &convert_hole);

__ SmiToInteger32(rbx, rbx);

- __ Cvtlsi2sd(xmm0, rbx);

- __ Movsd(FieldOperand(r14, r9, times_8, FixedDoubleArray::kHeaderSize), xmm0);

+ __ Cvtlsi2sd(kScratchDoubleReg, rbx);

+ __ Movsd(FieldOperand(r14, r9, times_8, FixedDoubleArray::kHeaderSize),

+ kScratchDoubleReg);

__ jmp(&entry);

__ bind(&convert_hole);

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