Revision: 12823
Author: [email protected]
Date: Thu Oct 25 08:45:24 2012
Log: Update ReceiverObjectNeedsWriteBarrier to include HFastLiteral
This will prevent unnecessary write barriers for literals.
BUG=none
TEST=none
Review URL: https://codereview.chromium.org/11143005
Patch from Derek J Conrod <[email protected]>.
http://code.google.com/p/v8/source/detail?r=12823
Modified:
/branches/bleeding_edge/src/hydrogen-instructions.h
=======================================
--- /branches/bleeding_edge/src/hydrogen-instructions.h Thu Oct 25 08:23:39
2012
+++ /branches/bleeding_edge/src/hydrogen-instructions.h Thu Oct 25 08:45:24
2012
@@ -3917,7 +3917,8 @@
inline bool ReceiverObjectNeedsWriteBarrier(HValue* object,
HValue* new_space_dominator) {
- return !object->IsAllocateObject() || (object != new_space_dominator);
+ return (!object->IsAllocateObject() && !object->IsFastLiteral()) ||
+ (object != new_space_dominator);
}
--
v8-dev mailing list
[email protected]
http://groups.google.com/group/v8-dev
