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ricow@chromium.org 1028cf2631 Optimize the equality check case of ICCompare stubs.
This includes specialcasing the generation when we know that the maps
of the two objects are the same. In addition, a new specialized
compare ic known objects cache is created.

The reason for the cache is that we need to have access to the stub
code from the roots; if we do not, the GC will collect the stub. In
this specialized case we use the map pointer as key in the cache, and
we always do a lookup before generating code. Actually hitting
something in the cache will happen very rarely, but we could
potentially overwrite an existing stub, which again will lead to the
GC collecting this old stub (even if it is referenced from other code
objects)
Review URL: http://codereview.chromium.org/8520006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10216 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2011-12-08 17:17:21 +00:00
benchmarks Fix presubmit errors introduced by r10002. 2011-11-16 01:44:17 +00:00
build Upstream Android V8 change. 2011-11-23 17:32:34 +00:00
include Reapply r10158: Distinguish weak references in heap snapshots, group GC roots. 2011-12-06 17:41:47 +00:00
preparser Ignore flags with arguments in preparser-process. 2011-10-14 07:34:45 +00:00
samples Fix presubmit errors caused by updated depot tools 2011-09-08 19:57:14 +00:00
src Optimize the equality check case of ICCompare stubs. 2011-12-08 17:17:21 +00:00
test Ensure that non-optimized code objects are not flushed for inlined functions. 2011-12-08 16:07:07 +00:00
tools Upstream Android V8 change. 2011-11-23 17:32:34 +00:00
.gitignore Add *.so to .gitignore. 2011-09-07 21:09:13 +00:00
AUTHORS Debugger: fix stepping next with trycatch recursion 2011-09-13 14:38:39 +00:00
ChangeLog Prepare push to trunk. Now working on version 3.8.1. 2011-12-08 13:16:55 +00:00
LICENSE Fix the license info to correctly state Copyright "the V8 project 2011-01-19 09:20:18 +00:00
LICENSE.strongtalk Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.v8 Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.valgrind Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
Makefile Add MIPS support to top-level Makefile 2011-11-09 16:18:36 +00:00
SConstruct Adding NetBSD support for scons build. 2011-11-16 14:35:47 +00:00