src/compiler/ia32/code-generator-ia32.cc - Issue 654833002: [turbofan] Optimize division/modulus by constant.

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Unified Diff: src/compiler/ia32/code-generator-ia32.cc

Issue 654833002: [turbofan] Optimize division/modulus by constant. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 6 years, 2 months ago

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Index: src/compiler/ia32/code-generator-ia32.cc

diff --git a/src/compiler/ia32/code-generator-ia32.cc b/src/compiler/ia32/code-generator-ia32.cc

index 8543fd7849859b24364c489c9a097875099aef1b..81cf8997047d89c49a7dfbcd707a39468167714a 100644

--- a/src/compiler/ia32/code-generator-ia32.cc

+++ b/src/compiler/ia32/code-generator-ia32.cc

@@ -244,6 +244,9 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {

__ imul(i.OutputRegister(), i.InputOperand(1));

}

break;

+ case kIA32ImulHigh:

+ __ imul(i.InputRegister(1));

+ break;

case kIA32Idiv:

__ cdq();

__ idiv(i.InputOperand(1));