src/compiler/ia32/code-generator-ia32.cc - Issue 1405453003: CTZ instruction implemented as optional operator.

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

Issue 1405453003: CTZ instruction implemented as optional operator. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Fixed a bug when bmi1=false Created 5 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 a1de0578a8c12964453e6ac26e78115d40cb3b21..4ee799e7550fc483e49f84bc9c11b2ee83510150 100644

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

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

@@ -509,6 +509,9 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {

case kIA32Lzcnt:

__ Lzcnt(i.OutputRegister(), i.InputOperand(0));

break;

+ case kIA32Tzcnt:

+ __ Tzcnt(i.OutputRegister(), i.InputOperand(0));

+ break;

case kSSEFloat32Cmp:

__ ucomiss(i.InputDoubleRegister(0), i.InputOperand(1));

break;