src/ia32/code-stubs-ia32.cc - Issue 10917260: Microoptimization to regexps.

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Unified Diff: src/ia32/code-stubs-ia32.cc

Issue 10917260: Microoptimization to regexps. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/

Patch Set: Created 8 years, 3 months ago

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Index: src/ia32/code-stubs-ia32.cc

===================================================================

--- src/ia32/code-stubs-ia32.cc (revision 12500)

+++ src/ia32/code-stubs-ia32.cc (working copy)

@@ -4170,15 +4170,15 @@

Immediate(factory->fixed_array_map()));

// Set length.

__ mov(FieldOperand(ebx, FixedArray::kLengthOffset), ecx);

- // Fill contents of fixed-array with the-hole.

+ // Fill contents of fixed-array with undefined.

__ SmiUntag(ecx);

- __ mov(edx, Immediate(factory->the_hole_value()));

+ __ mov(edx, Immediate(factory->undefined_value()));

__ lea(ebx, FieldOperand(ebx, FixedArray::kHeaderSize));

- // Fill fixed array elements with hole.

+ // Fill fixed array elements with undefined.

// eax: JSArray.

// ecx: Number of elements to fill.

// ebx: Start of elements in FixedArray.

- // edx: the hole.

+ // edx: undefined.

Label loop;

__ test(ecx, ecx);

__ bind(&loop);

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