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yangguo@chromium.org
165e42c291 MIPS: Inline inequality compares of strings into CompareICStub 
Port r10988 (c6c9ebb5).

Original commit message:

Inline inequality compares of strings into CompareICStub instead of jumping into the CompareStub that handles the generic case.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9669026
Patch from Daniel Kalmar <kalmard@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11002 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-12 08:24:10 +00:00
svenpanne@chromium.org
9de66b9f3a Prepare push to trunk. Now working on version 3.9.18. 
R=jkummerow@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9690004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10999 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-12 08:15:43 +00:00
loislo@chromium.org
0b360fb519 V8 crashes when profile generator allocates a buffer for HeapEntry'es bigger than 2Gb. 
BUG=none
TEST=profile-generator tests

Review URL: https://chromiumcodereview.appspot.com/9632020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10998 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-11 15:04:50 +00:00
loislo@chromium.org
dd711075fa Style fix after reapplying the patch r10996. 
BUG=none
TEST=none
TBR=mikhail.naganov@gmail.com

Review URL: https://chromiumcodereview.appspot.com/9664042

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10997 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-11 07:35:21 +00:00
loislo@chromium.org
f4f4bd0a46 We have a problem with really big apps. The snapshot for such pages doesn't fit into JS heap on DevTools front-end side. I'd like to move the snapshot's nodes data into Int32Array. 
This will reduce the pressure. At this moment it is not possible because the snapshot uses uint64_t for ids.

BUG=none
TEST=profiler-generator tests

Review URL: https://chromiumcodereview.appspot.com/9617006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10996 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-11 07:02:19 +00:00
loislo@chromium.org
ed0ceee589 Revert "We have a problem with really big apps. The snapshot for such pages doesn't fit into JS heap on DevTools front-end side. I'd like to move the snapshot's nodes data into Int32Array." 
This reverts commit 8c08ecc2782d5a8c60eb0692ec8f13d6da3cdc58.

BUG=none
TEST=none

Review URL: https://chromiumcodereview.appspot.com/9666038

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10995 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-11 06:12:10 +00:00
loislo@chromium.org
7b4c4a527f We have a problem with really big apps. The snapshot for such pages doesn't fit into JS heap on DevTools front-end side. I'd like to move the snapshot's nodes data into Int32Array. 
This will reduce the pressure. At this moment it is not possible because the snapshot uses uint64_t for ids.

BUG=none
TEST=profiler-generator tests

Review URL: https://chromiumcodereview.appspot.com/9617006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10994 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-11 06:00:55 +00:00
yangguo@chromium.org
1d679f9c37 Fixed VFP detection through compiler defines. 
BUG=http://code.google.com/p/v8/issues/detail?id=1996
TEST=none

Review URL: https://chromiumcodereview.appspot.com/9669003
Patch from Rodolph Perfetta <rodolph.perfetta@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10993 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 22:11:16 +00:00
jkummerow@chromium.org
efee39a075 Profiler experiments: update flag default values. 
This doesn't enable the experimental profiler by default, it just tunes its behavior when it is enabled.

Review URL: https://chromiumcodereview.appspot.com/9668009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10992 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 17:55:54 +00:00
jkummerow@chromium.org
1d4221a4d3 Profiler experiments: merge self-optimization code into interrupt-at-exit 
Review URL: https://chromiumcodereview.appspot.com/9633012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10991 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 16:23:06 +00:00
danno@chromium.org
15ffc2e249 Fix presubmit problem with elements template macro 
TBR=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9665002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10990 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 14:53:02 +00:00
danno@chromium.org
17b7d33d53 Implement efficient element copying in ElementsAccessors. 
Review URL: https://chromiumcodereview.appspot.com/9638014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10989 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 13:48:29 +00:00
yangguo@chromium.org
e711ff38ef Inline inequality compares of strings into CompareICStub instead of jumping into the CompareStub that handles the generic case. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9649027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10988 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 13:12:59 +00:00
ulan@chromium.org
cb2f2a2391 Fix compile errors on Windows introduced by r10983. 
R=mstarzinger@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9652030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10987 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 13:01:32 +00:00
vegorov@chromium.org
9ad61f635e Add Code-related fields to postmortem metadata 
Review URL: https://chromiumcodereview.appspot.com/9361008
Patch from David Pacheco <dap@joyent.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10986 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 12:34:42 +00:00
vegorov@chromium.org
95884b7c6b MIPS: Introduce basic type feedback for for-in statements to avoid deopts. 
Port r10901 (a54f1a3).

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9586004
Patch from Daniel Kalmar <kalmard@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10985 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 12:30:04 +00:00
rossberg@chromium.org
d46d9a38da Fix warning. 
R=mstarzinger@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9655025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10984 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 12:08:05 +00:00
ulan@chromium.org
1767fef60b Implement date library functions in C++. 
Developed together with Andreas Rossberg based on:
  https://chromiumcodereview.appspot.com/9117034/
  https://chromiumcodereview.appspot.com/9307083/

R=rossberg@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9572008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10983 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 12:07:29 +00:00
rossberg@chromium.org
13d31b6594 Implement caching scheme for Date fields. 
This is based on https://chromiumcodereview.appspot.com/9117034/

Doesn't have much impact on its own, but is the basis for Ulan's CL https://chromiumcodereview.appspot.com/9117034/, which moves the logic to C++.

R=ulan@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9307083

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10982 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 11:19:55 +00:00
rossberg@chromium.org
8604da7f06 New class for Date objects: caches individual date components. 
First step, cache slots not used yet.

R=ulan@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9117034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10981 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 11:11:55 +00:00
erik.corry@gmail.com
3c334c2056 Prepare push to trunk. Now working on version 3.9.17. 
Review URL: https://chromiumcodereview.appspot.com/9652028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10978 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 10:39:45 +00:00
yangguo@chromium.org
1697db0cde Add clobber list to arm inline asm. 
While enabling "-fstack-protector", compiler generates code in
function prologue and epilogue to do stack check. However, without
knowing that 'r1', 'r2' and 'r3' is used/destroyed in inline asm,
compiler assumes that 'r1', 'r2', or 'r3' can be used exclusively,
which leads to a core dump.

Fix to this is quite straightforward, just add clobber list to the
inlineasm.

BUG=None
TEST=manually checked the generated asm code,boot up chrome browser successfully with this modification

Review URL: https://chromiumcodereview.appspot.com/9618017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10977 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 10:20:42 +00:00
jkummerow@chromium.org
6dd05d9b34 Refactored push-to-trunk.sh and merge-to-branch.sh. 
Moved common code into tools/common-includes.sh.
Added automated rolling of V8 into Chromium to push-to-trunk.sh.

Review URL: https://chromiumcodereview.appspot.com/9463041

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10976 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 10:16:00 +00:00
yangguo@chromium.org
9f1846173c Simplify V8::FillHeapNumberWithRandom. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9592047

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10975 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 09:51:34 +00:00
ulan@chromium.org
e6576f0938 Revert r10435 and r10923 because of failures. 
r10435 CL: http://codereview.chromium.org/9195005
r10923 CL: https://chromiumcodereview.appspot.com/9601010

R=fschneider@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9653025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10974 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 09:04:39 +00:00
svenpanne@chromium.org
0b2632fae8 Added support functions for using Literal keys in a HashMap. 
This is a preparatory step for using the HashMap clas with Literal keys in the
full code generator. It removes some duplicated code already and removes the
need for 2 HashMaps at each use, which was overly complicated.

Removed one dead function on the way.

Review URL: https://chromiumcodereview.appspot.com/9639011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10973 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-09 08:34:35 +00:00
mikhail.naganov@gmail.com
ab86e03a05 Fix signed / unsigned warnings for ?: operators reported by Xcode 4.x clang compiler. 
The patch is based on the report provided by github user Zakay.

BUG=none
TEST=none

Review URL: https://chromiumcodereview.appspot.com/9592030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10970 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-08 18:27:39 +00:00
rossberg@chromium.org
dbb95bc5f0 Fix minifier to distinguish regexps from divisions (to some extent). 
Rrraaa, I have to say, doing program rewriting via regexp rules is an inherently broken idea...

R=mstarzinger@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9644001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10969 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-08 16:38:44 +00:00
fschneider@chromium.org
068c6e5014 Fix a bug in the x64 elements transition code. 
1. The write barrier (RecordWriteStub) expects that pointer stored
points to an initialized object. Specifically, the map must be set
before it is stored.

2. The backing store for smi-only elements can only be reused for
double elements if it is in new-space. Otherwise, we need to allocate
a fresh one because the old one is in pointer-space and the new one
has to be in data-space.

BUG=117037
Review URL: https://chromiumcodereview.appspot.com/9633017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10968 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-08 15:46:23 +00:00
mstarzinger@chromium.org
7d20d0b1d8 Fix syntactical issue in r10965. 
R=rossberg@chromium.org
TEST=mjsunit/object-is

Review URL: https://chromiumcodereview.appspot.com/9641015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10967 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-08 13:30:10 +00:00
rossberg@chromium.org
448b620dad Basic interface inference for modules. 
All module expressions, and all variables that might refer to modules,
are assigned interfaces (module types) that are resolved using
unification. This is necessary to deal with the highly recursive
nature of ES6 modules, which does not allow any kind of bottom-up
strategy for resolving module names and paths.

Error messages are rudimental right now. Probably need to track
more information to make them nicer.

R=svenpanne@chromium.org
BUG=v8:1569
TEST=

Review URL: https://chromiumcodereview.appspot.com/9615009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10966 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-08 13:03:07 +00:00
mstarzinger@chromium.org
1d89a176ec Implement Object.is and Number.is[Finite,NaN] functions. 
R=rossberg@chromium.org
TEST=mjsunit/object-is,mjsunit/number-is

Review URL: https://chromiumcodereview.appspot.com/9630009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10965 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-08 12:49:24 +00:00
yangguo@chromium.org
13689a4f13 Set debug break slot at init of loop variable in a for loop. 
BUG=102153
TEST=regress-102153.js

Review URL: https://chromiumcodereview.appspot.com/9625011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10963 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-08 10:21:43 +00:00
jkummerow@chromium.org
16f8a9545e Un-braindead-ify test-debug/DebugBreakLoop 
Review URL: https://chromiumcodereview.appspot.com/9623007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10962 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-08 08:09:27 +00:00
mstarzinger@chromium.org
4b4b3a4da7 Add kAbortIncrementalMarkingMask flag for GC. 
This adds an additional flag to control whether incremental marking
should be aborted when requesting a GC, providing a finer granularity
between kNoGCFlags and kMakeHeapIterableMask.

R=ulan@chromium.org
BUG=v8:1608

Review URL: https://chromiumcodereview.appspot.com/9608006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10961 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 17:52:16 +00:00
vegorov@chromium.org
47b6027c37 Add HeapProfiler::GetPersistentHandleCount to be able to track the number of persistent handles 
It turns out that an increasing number of persistent handles is a good signal for bugs in the bindings layer

BUG=none
TEST=cctest/test-heap-profiler/PersistentHandleCount

Review URL: https://chromiumcodereview.appspot.com/9620007
Patch from Jochen Eisinger <jochen@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10960 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 17:38:50 +00:00
jkummerow@chromium.org
1a768b1143 Profiler experiments: Honor postponing of interrupts in HandleStackGuardInterrupt 
Review URL: https://chromiumcodereview.appspot.com/9620009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10959 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 17:31:33 +00:00
ulan@chromium.org
7e8c7fa368 Ignore soft heap limit when reserving space. 
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9605014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10958 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 16:24:11 +00:00
yangguo@chromium.org
3ae794c498 Tweaks to SubStringStub 
Review URL: https://chromiumcodereview.appspot.com/9625003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10957 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 14:19:28 +00:00
svenpanne@chromium.org
1729e3c0dd Make the runtime entry for setting/changing accessors "atomic". 
Previously, there were 1 or 2 calls to the runtime when accessors were changed
or set. This doesn't really work well with property attributes, leading to some
hacks and complicates things even further when trying to share maps in presence
of accessors. Therefore, the runtime entry now takes the full triple (getter,
setter, attributes), where the getter and/or the setter can be null in case they
shouldn't be changed.

For now, we do basically the same on the native side as we did before on the
JavaScript side, but this will change in future CLs, the current CL is already
large enough.

Note that object literals with a getter and a setter for the same property still
do 2 calls, but this is a little bit more tricky to fix and will be handled in a
separate CL.

Review URL: https://chromiumcodereview.appspot.com/9616016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10956 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 13:24:44 +00:00
mstarzinger@chromium.org
b732b2e32a Implement --download-data for test harness. 
This allows the test harness to download missing test suite data if
necessary. We use the bzip2 archive for test262 because it is faster
than cloning the repository and also works without any Mercurial
installation.

R=yangguo@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9619002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10955 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 12:51:31 +00:00
fschneider@chromium.org
886a1c6469 Avoid starting a new basic block when inlining a function. 
Instead of creating a fresh basic block for the inlined body,
I just simulate the outer environment in the middle of the current
block before updating the current environment to the inlined environment and
emitting the enter-inlined instruction.
Review URL: https://chromiumcodereview.appspot.com/9618052

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10954 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 12:04:28 +00:00
svenpanne@chromium.org
cbeaf7f584 Caught yet another escaped hole. 
Review URL: https://chromiumcodereview.appspot.com/9592048

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10953 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 11:48:36 +00:00
yangguo@chromium.org
67540abe08 Fix compile with debuggersupport=off. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9546051

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10952 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 10:57:36 +00:00
svenpanne@chromium.org
64340007e0 Never let the hole escape... 
Review URL: https://chromiumcodereview.appspot.com/9605042

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10951 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 10:03:32 +00:00
danno@chromium.org
d0437e781d MIPS: Simplify the deopt entry method. 
The t9 register will always hold the address of the current entry when deoptimizing,
so it can be used as the basis of calculation.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9546017
Patch from Daniel Kalmar <kalmard@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10950 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 09:05:41 +00:00
danno@chromium.org
107d25a8a7 MIPS: Minor optimizations in Builtins::Generate_ArgumentsAdaptorTrampoline. 
The branch delay slot is now utilized in a few loops.
This is the cleanup of an old TODO.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9618013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10949 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-07 08:59:43 +00:00
yangguo@chromium.org
fc60fdab9c MIPS: Port r10939 to x64 and arm (inline Math.random in crankshaft). 
Port r10947 (d85b4e).

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9615016
Patch from Daniel Kalmar <kalmard@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10948 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-06 17:39:12 +00:00
yangguo@chromium.org
c3c36137da Port r10939 to x64 and arm (inline Math.random in crankshaft). 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9615012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10947 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-06 16:12:11 +00:00
yangguo@chromium.org
5440d43d42 Fix nosse2 tests. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9617004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10944 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-06 13:37:25 +00:00