src/ia32/full-codegen-ia32.cc - Issue 6736006: Check for SSE2 support in FullCodeGenerator::EmitMathPow.

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Unified Diff: src/ia32/full-codegen-ia32.cc

Issue 6736006: Check for SSE2 support in FullCodeGenerator::EmitMathPow. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 9 years, 9 months ago

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Index: src/ia32/full-codegen-ia32.cc

diff --git a/src/ia32/full-codegen-ia32.cc b/src/ia32/full-codegen-ia32.cc

index 24b3f4702fa26b082affd98c2445b3b19a916cbf..2c82220c24d82070dc5e52718315449fbde172a7 100644

--- a/src/ia32/full-codegen-ia32.cc

+++ b/src/ia32/full-codegen-ia32.cc

@@ -2800,8 +2800,12 @@ void FullCodeGenerator::EmitMathPow(ZoneList<Expression*>* args) {

VisitForStackValue(args->at(0));

VisitForStackValue(args->at(1));

- MathPowStub stub;

- __ CallStub(&stub);

+ if (masm()->isolate()->cpu_features()->IsSupported(SSE2)) {

+ MathPowStub stub;

+ __ CallStub(&stub);

+ } else {

+ __ CallRuntime(Runtime::kMath_pow, 2);

+ }

context()->Plug(eax);

}

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