Revision: 20838
Author: [email protected]
Date: Thu Apr 17 11:30:25 2014 UTC
Log: X64: fix arguments adaptor stack check after r20751.
BUG=
[email protected]
Review URL: https://codereview.chromium.org/239703012
http://code.google.com/p/v8/source/detail?r=20838
Modified:
/branches/bleeding_edge/src/x64/builtins-x64.cc
=======================================
--- /branches/bleeding_edge/src/x64/builtins-x64.cc Tue Apr 15 08:26:26
2014 UTC
+++ /branches/bleeding_edge/src/x64/builtins-x64.cc Thu Apr 17 11:30:25
2014 UTC
@@ -1340,7 +1340,8 @@
__ subp(rcx, rdx);
// Make rdx the space we need for the array when it is unrolled onto the
// stack.
- __ PositiveSmiTimesPowerOfTwoToInteger64(rdx, rax, kPointerSizeLog2);
+ __ movp(rdx, rbx);
+ __ shlp(rdx, Immediate(kPointerSizeLog2));
// Check if the arguments will overflow the stack.
__ cmpp(rcx, rdx);
__ j(less_equal, stack_overflow); // Signed comparison.
--
--
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