src/compiler/x64/code-generator-x64.cc - Issue 654833002: [turbofan] Optimize division/modulus by constant.

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Unified Diff: src/compiler/x64/code-generator-x64.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/x64/code-generator-x64.cc

diff --git a/src/compiler/x64/code-generator-x64.cc b/src/compiler/x64/code-generator-x64.cc

index 441187668b84b6ca4dc00634d4e42e8b2b5978c4..361862cef38095063e143f3e0ca104ade0406b00 100644

--- a/src/compiler/x64/code-generator-x64.cc

+++ b/src/compiler/x64/code-generator-x64.cc

@@ -283,6 +283,9 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {

case kX64Imul:

ASSEMBLE_MULT(imulq);

break;

+ case kX64ImulHigh32:

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

+ break;

case kX64Idiv32:

__ cdq();

__ idivl(i.InputRegister(1));

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