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Bug 857378 - Update YARR from WebKit upstream. r=dvander

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This commit is contained in:
Sean Stangl 2013-04-03 13:47:50 -07:00
parent 6c2c636700
commit 9abf5b6cb0
1 changed files with 3 additions and 0 deletions
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3
js/src/yarr/YarrJIT.cpp
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@ -2558,6 +2558,9 @@ class YarrGenerator : private MacroAssembler {
push(X86Registers::ebp);
move(stackPointerRegister, X86Registers::ebp);
push(X86Registers::ebx);
// The ABI doesn't guarantee the upper bits are zero on unsigned arguments, so clear them ourselves.
zeroExtend32ToPtr(index, index);
zeroExtend32ToPtr(length, length);
#elif WTF_CPU_X86
push(X86Registers::ebp);
move(stackPointerRegister, X86Registers::ebp);