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Fix implementation of compare-minus-zero-and-branch on ia32 and x64.

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R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/63573004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17657 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
yangguo@chromium.org 2013-11-12 15:11:06 +00:00
parent e83fd01ce6
commit 41db9af665
2 changed files with 2 additions and 2 deletions
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2
src/ia32/lithium-codegen-ia32.cc
View File

@ -2689,7 +2689,7 @@ void LCodeGen::DoCompareMinusZeroAndBranch(LCompareMinusZeroAndBranch* instr) {
} else {
Register value = ToRegister(instr->value());
Handle<Map> map = masm()->isolate()->factory()->heap_number_map();
__ CheckMap(eax, map, &if_false, DO_SMI_CHECK);
__ CheckMap(value, map, &if_false, DO_SMI_CHECK);
__ cmp(FieldOperand(value, HeapNumber::kExponentOffset),
Immediate(0x80000000));
__ j(not_equal, &if_false);

2
src/x64/lithium-codegen-x64.cc
View File

@ -2263,7 +2263,7 @@ void LCodeGen::DoCompareMinusZeroAndBranch(LCompareMinusZeroAndBranch* instr) {
} else {
Register value = ToRegister(instr->value());
Handle<Map> map = masm()->isolate()->factory()->heap_number_map();
__ CheckMap(rax, map, &if_false, DO_SMI_CHECK);
__ CheckMap(value, map, &if_false, DO_SMI_CHECK);
__ cmpl(FieldOperand(value, HeapNumber::kExponentOffset),
Immediate(0x80000000));
__ j(not_equal, &if_false);