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Implement DoStackCheck in x64 crankshaft

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Review URL: http://codereview.chromium.org/6257002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6311 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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ricow@chromium.org 2011-01-14 11:35:02 +00:00
parent 962d7019aa
commit 7954752479
1 changed files with 9 additions and 1 deletions
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10
src/x64/lithium-codegen-x64.cc
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@ -1153,7 +1153,15 @@ void LCodeGen::DoDeleteProperty(LDeleteProperty* instr) {
void LCodeGen::DoStackCheck(LStackCheck* instr) {
Abort("Unimplemented: %s", "DoStackCheck");
// Perform stack overflow check.
NearLabel done;
ExternalReference stack_limit = ExternalReference::address_of_stack_limit();
__ CompareRoot(rsp, Heap::kStackLimitRootIndex);
__ j(above_equal, &done);
StackCheckStub stub;
CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
__ bind(&done);
}