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MIPS: Fix a bug in MacroAssembler::CheckFastElements.

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This fixes 3 mjsunit tests when running with --stress-opt: object-freeze,
object-prevent-extensions, object-seal.

Original commit was 54ce3d60 (r8176).

BUG=
TEST=

Review URL: http://codereview.chromium.org//7236024
Patch from Paul Lind <plind44@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8404 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
sgjesse@chromium.org 2011-06-24 08:26:47 +00:00
parent 840e31a0b3
commit 2f64c849f2
1 changed files with 2 additions and 3 deletions
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5
src/mips/macro-assembler-mips.cc
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@ -2657,9 +2657,8 @@ void MacroAssembler::CheckFastElements(Register map,
Register scratch,
Label* fail) {
STATIC_ASSERT(JSObject::FAST_ELEMENTS == 0);
lbu(scratch, FieldMemOperand(map, Map::kBitField2Offset));
And(scratch, scratch, Operand(Map::kMaximumBitField2FastElementValue));
Branch(fail, hi, scratch, Operand(zero_reg));
lbu(scratch, FieldMemOperand(map, Map::kInstanceTypeOffset));
Branch(fail, hi, scratch, Operand(Map::kMaximumBitField2FastElementValue));
}