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X64: Always use rax as left register from DoInstanceOfKnownGlobal.

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On IA32 we use InstanceofStub::left(), but on x64 we have just used rax and rdx directly. This fixes the assertion crashes on x64 crankshaft.


Review URL: http://codereview.chromium.org/6596101

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7010 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
ricow@chromium.org 2011-03-02 07:52:14 +00:00
parent ed7265ea21
commit 33bc7f974f
1 changed files with 1 additions and 1 deletions
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src/x64/lithium-x64.cc
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@ -1158,7 +1158,7 @@ LInstruction* LChunkBuilder::DoInstanceOf(HInstanceOf* instr) {
LInstruction* LChunkBuilder::DoInstanceOfKnownGlobal( LInstruction* LChunkBuilder::DoInstanceOfKnownGlobal(
HInstanceOfKnownGlobal* instr) { HInstanceOfKnownGlobal* instr) {
LInstanceOfKnownGlobal* result = LInstanceOfKnownGlobal* result =
new LInstanceOfKnownGlobal(UseRegisterAtStart(instr->value())); new LInstanceOfKnownGlobal(UseFixed(instr->value(), rax));
return MarkAsCall(DefineFixed(result, rax), instr); return MarkAsCall(DefineFixed(result, rax), instr);
} }