src/compiler/ia32/code-generator-ia32.cc - Issue 1021183002: [turbofan] Turn Math.clz32 into an inlinable builtin.

Keyboard Shortcuts

	File
u :	up to issue
j / k :	jump to file after / before current file
J / K :	jump to next file with a comment after / before current file
	Side-by-side diff
i :	toggle intra-line diffs
e :	expand all comments
c :	collapse all comments
s :	toggle showing all comments
n / p :	next / previous diff chunk or comment
N / P :	next / previous comment
<Up> / <Down> :	next / previous line

	Issue
u :	up to list of issues
j / k :	jump to patch after / before current patch
o / <Enter> :	open current patch in side-by-side view
i :	open current patch in unified diff view

	Issue List
j / k :	jump to issue after / before current issue
o / <Enter> :	open current issue

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

Issue 1021183002: [turbofan] Turn Math.clz32 into an inlinable builtin. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Created 5 years, 9 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

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 fe86e3aaac635e3d2b91e695ed30d94f245cd434..25bf0331c1557ceb7cab8a659cbe0ad817c2d041 100644

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

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

@@ -447,6 +447,9 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {

__ ror_cl(i.OutputOperand());

}

break;

+ case kIA32Lzcnt:

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

+ break;

case kSSEFloat64Cmp:

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

break;