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Unified Diff: src/x64/lithium-codegen-x64.cc

Issue 6257002: Implement DoStackCheck in x64 crankshaft (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 9 years, 11 months ago
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Index: src/x64/lithium-codegen-x64.cc
===================================================================
--- src/x64/lithium-codegen-x64.cc (revision 6307)
+++ src/x64/lithium-codegen-x64.cc (working copy)
@@ -1153,7 +1153,15 @@
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);
}
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