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Author SHA1 Message Date
svenpanne@chromium.org
2389a514a0 Synced Scons with GYP build. ;-) 
TBR=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/11155005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12720 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-15 07:07:58 +00:00
svenpanne@chromium.org
6cf48ce3d7 Fixed heap verification guards. 
TBR=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/11147016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12719 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-15 06:34:22 +00:00
danno@chromium.org
bf83c5fe32 Use immediate add when possible in space allocator 
Save one instruction in allocating new space by using an immediate add if
possible to calculate the new top of heap.

BUG=

Review URL: https://chromiumcodereview.appspot.com/11091068
Patch from Anthony Berent <aberent@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12718 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 14:06:03 +00:00
ulan@chromium.org
c969afe137 Reland r12342: Flush monomorphic ICs on context disposal instead of context exit. 
The crashes that caused r12342 to be reverted are fixed in r12563.

R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11092081

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12715 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 13:49:12 +00:00
mstarzinger@chromium.org
bf85da7441 Move code flushing support into shared visitor. 
This is a first step towards incremental code flushing. The code
flushing support is now shared between full and incremental marking.
The code flusher itself is not yet activated in incremental mode and
will require some additional adaptations.

R=ulan@chromium.org
BUG=v8:1609

Review URL: https://codereview.chromium.org/11028016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12714 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 12:41:29 +00:00
mvstanton@chromium.org
b3c0ed8245 Enable --verify-heap in release mode 
R=mstarzinger@chromium.org
BUG=v8:2120

Review URL: https://codereview.chromium.org/11118018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12713 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 11:41:14 +00:00
svenpanne@chromium.org
1f3bdabd80 Ensure that we do not accidentally emit debug code. 
The call sites are more concise, the naming is better and at least one
case of superfluous code in release mode was removed.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/11108011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12712 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 11:09:14 +00:00
danno@chromium.org
0457a3be0a DoNumberTagD performance improvement 
Allocate heap entry untagged and tag at end to avoid having to subtract off
the tag offset before storing the value.

BUG=

Review URL: https://codereview.chromium.org/11028115
Patch from Anthony Berent <aberent@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12711 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 10:58:25 +00:00
ulan@chromium.org
ede725d2f7 Fix vstr.cc S, [mem] to emit vstr instead of vldr. 
BUG=emits wrong instruction
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11118015
Patch from JF Bastien <jfb@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12710 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 09:27:12 +00:00
verwaest@chromium.org
9ecabf526c Make EnumCacheBridge immutable. 
Review URL: https://chromiumcodereview.appspot.com/11048051

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12709 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 08:16:49 +00:00
svenpanne@chromium.org
48d92f6167 MIPS: Consistently use named getters for Lithium operands on ARM. 
Port r12527 (24ed881a)

BUG=
TEST=

Review URL: https://codereview.chromium.org/11109003
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12708 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-12 07:05:00 +00:00
jkummerow@chromium.org
c756e14b0b Prepare push to trunk. Now working on version 3.14.4. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/11094073

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12705 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 15:35:24 +00:00
verwaest@chromium.org
b75705f07b Don't clear EnumLength but rather copy the enum cache. Added regression test for crashes from chromecrash. 
Review URL: https://chromiumcodereview.appspot.com/11103036

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12704 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 15:33:34 +00:00
jkummerow@chromium.org
942e7424e9 Use native context to retrieve ErrorMessageForCodeGenerationFromStrings 
BUG=155076

Review URL: https://codereview.chromium.org/11093073

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12703 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 14:14:24 +00:00
svenpanne@chromium.org
86bcbcdc0b HChange is only deletable under certain circumstances. 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/11092075

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12702 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 14:14:03 +00:00
rossberg@chromium.org
348736efaa Find a stack limit for the test that works on both Win32 and Linux64. 
R=mstarzinger@chromium.org
BUG=151625

Review URL: https://codereview.chromium.org/11086073

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12701 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 13:10:24 +00:00
rossberg@chromium.org
ddbd426821 Increase stack size for test to work on x64. 
R=jkummerow@chromium.org
BUG=151625

Review URL: https://codereview.chromium.org/11098070

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12700 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 12:11:46 +00:00
verwaest@chromium.org
ad6a21c0d0 Remove descriptors pointer. 
Secondary changes:
- don't transfer ownership back on CNLT
- turned debugging checks back into ASSERT

Review URL: https://chromiumcodereview.appspot.com/11099064

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12699 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 12:01:19 +00:00
rossberg@chromium.org
00132da734 Bump variable limit further to 2^17. 
R=jkummerow@chromium.org
BUG=151625

Review URL: https://codereview.chromium.org/11099063

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12698 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 11:40:10 +00:00
svenpanne@chromium.org
f03fd70d9e Added a simple dead code removal phase. 
We iteratively remove all dead Hydrogen instruction until we reach a fixed point. We consider an instruction dead if it is unused, has no observable side effects and is deletable. The last part of the condition is currently not very nice: We basically have to whitelist "safe" instructions, because we are missing more detailed dependencies and/or more detailed tracking of side effects.

We disable dead code elimination for now in our test runners, because we have tons of poorly written tests which wouldn't test anymore what they are supposed to test with this phase enabled. To get test coverage for dead code elimination itself, we should enable it on a few build bots. This is not really a perfect state, but the best we can do for now.

This patch includes a few const-correctness fixes, most of them were necessary for this CL.

Review URL: https://codereview.chromium.org/11088027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12697 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-11 10:52:58 +00:00
verwaest@chromium.org
bfb2db2329 Prepare push to trunk. Now working on version 3.14.3. 
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11098047

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12692 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 17:05:00 +00:00
ulan@chromium.org
cd3907cadd ARM: allow VFP3 instructions when hardfloat is enabled. 
R=danno@chromium.org
BUG=152506

Review URL: https://chromiumcodereview.appspot.com/11028116

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12691 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 16:15:29 +00:00
verwaest@chromium.org
e5620d5a58 Also use binary search to search through valid entries. 
Review URL: https://chromiumcodereview.appspot.com/11028056

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12690 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 14:48:07 +00:00
verwaest@chromium.org
c2a9d49393 Transition ownership back if the descriptors were shared via elements transitions. 
BUG=

Review URL: https://chromiumcodereview.appspot.com/11091044

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12689 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 13:13:35 +00:00
verwaest@chromium.org
dde1cdfb8e Fix transition conversion from CONSTANT_FUNCTION to FIELD. 
Review URL: https://chromiumcodereview.appspot.com/11094044

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12688 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 12:31:50 +00:00
verwaest@chromium.org
55e924c595 Fix CNLT regression. 
This happens when a map A with no descriptors in fast_holey_elements
mode first gets some properties, making it share descriptor arrays with
a map B to which it transitions. Then map A transitions elements kind to
dictionary_elements in map C. C stores the empty_descriptor_array in its
own transition array. When adding a property to C, C transitions to D
and shares the descriptors. If D dies, a CNLT clears the transition
array of C, making the descriptor array of A (and thus also of B) shine
through. If a property is now added to an object in state C, it'll inherit
all the properties of A (and B). If those properties had high field indices,
we do not have a large enough backing store for the single newly added
property, and we'll write out of bounds.

BUG=chromium:151749

Review URL: https://chromiumcodereview.appspot.com/11017054

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12687 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 12:29:44 +00:00
mstarzinger@chromium.org
8b299a5b0e Fix compilation failure on ARM in r12685. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/11103004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12686 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 11:58:22 +00:00
mstarzinger@chromium.org
2c7b630d09 Enable compilation of GDBJIT interface on Linux. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/11093046

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12685 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-10 11:13:15 +00:00
mstarzinger@chromium.org
270316e953 Improve page flag checking sequence on ARM. 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/11090021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12682 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-09 15:12:39 +00:00
svenpanne@chromium.org
f81b06dde5 Make sure that the context argument of HAdd is never NULL. 
Although this doesn't hurt currently, it hurts any future compiler
pass relying on the invariant that no operand is NULL.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/11088026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12681 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-09 13:53:24 +00:00
rossberg@chromium.org
012ae4761c Clarify that date parsing follows Safari. 
R=ulan@chromium.org
BUG=145198

Review URL: https://codereview.chromium.org/11085006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12680 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-09 08:34:39 +00:00
mstarzinger@chromium.org
4887285da4 Make GDBJIT interface compile again. 
R=ulan@chromium.org
BUG=v8:1804

Review URL: https://codereview.chromium.org/11022007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12679 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-09 08:24:58 +00:00
danno@chromium.org
037558c1c0 Add PRESUBMIT script to V8 
Currently, it executes the OWNERS check and tools/presubmit.py, as well as a
check for a non-empty commit message

BUG=none
TEST=run git cl presubmit

Review URL: https://codereview.chromium.org/11092002
Patch from Jochen Eisinger <jochen@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12678 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-08 13:49:57 +00:00
svenpanne@chromium.org
5d11c5ee69 Fixed Accessors::FunctionGetPrototype's proto chain traversal. 
Actually it didn't traverse that far... ;-) Did some cleanup on the way.

R=rossberg@chromium.org
BUG=chrome:143967
TEST=regress/regress-143967.js

Review URL: https://codereview.chromium.org/11087004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12677 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-08 12:58:46 +00:00
danno@chromium.org
0a41d2731c ARM: Fast path for integer inputs to EmitVFPTruncate 
BUG=none
TEST=none

Review URL: https://codereview.chromium.org/11049025
Patch from Martyn Capewell <m.m.capewell@googlemail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12676 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-08 12:50:15 +00:00
danno@chromium.org
29264132c4 Add OWNERS file 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/11028073

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12674 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-08 11:58:08 +00:00
rossberg@chromium.org
0c2fd0daa7 Use dot_for_symbol. 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11087002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12672 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-08 11:39:08 +00:00
ulan@chromium.org
7bea116e50 Change default ARCH version in android low-level profiler script to 4.6 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11086002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12671 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-08 11:11:30 +00:00
rossberg@chromium.org
329cf12363 Make sure that names of temporaries do not clash with real variables. 
R=mstarzinger@chromium.org
BUG=v8:2322

Review URL: https://codereview.chromium.org/11035054

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12668 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-05 12:47:34 +00:00
rossberg@chromium.org
b07f38a46b Reject local module declarations. 
R=mstarzinger@chromium.org
BUG=150628

Review URL: https://codereview.chromium.org/11033025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12665 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-05 09:14:08 +00:00
rossberg@chromium.org
3f7b5c338a Reject uses of lexical for-loop variable on the RHS. 
R=mstarzinger@chromium.org
BUG=v8:2322

Review URL: https://codereview.chromium.org/11031045

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12664 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-05 09:07:53 +00:00
jkummerow@chromium.org
f1d3d734de push-to-trunk.sh/merge-to-branch.sh: use "git apply" instead of "patch" to apply patches 
Review URL: https://codereview.chromium.org/11031065

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12663 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-05 08:58:02 +00:00
verwaest@chromium.org
6e1bafc808 Revert "Allow partial scanning of large arrays in order to avoid" 
This reverts commit r12619.

BUG=

Review URL: https://chromiumcodereview.appspot.com/11029023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12660 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-04 11:09:17 +00:00
danno@chromium.org
a92a9c8a2c MIPS: Changed "marked" nops to use sll(zero_reg, at, type). 
We use marking bits in nops (in the 'sa' field) for debug markers, and for some IC stuff. A normal NOP in mips is sll(zero_reg, zero_reg, 0), where the 0 is a 5 bit immediate field in 'sa'.

See enum NopMarkerTypes at around line 654 of assembler-mips.h

The problem is that these markers use encodings that are reserved for the 'ssnop' and 'ehb' instructions. These are instructions used for hazard barriers.

It does not break anything, but it will slow things down a little bit as some pipeline stages are cleared, etc.

This commit changes the "marked" NOPs to sll(zero_reg, at, type) instructions, which is also a NOP operation on MIPS.

BUG=
TEST=

Review URL: https://codereview.chromium.org/10990110
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12657 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-04 09:46:50 +00:00
ulan@chromium.org
a80f7f42dd Make sure all labels are bound and linked in ARM DoModI. 
BUG=v8:2354

TBR=danno@chromium.org,subratokde@codeaurora.org

Review URL: https://chromiumcodereview.appspot.com/11038017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12656 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-02 16:48:45 +00:00
mstarzinger@chromium.org
739c9f6f01 Fix slot recording of code target patches. 
This makes sure that we only record relocation slots for code target
patches that happen in marked objects. Unmarked ones might be visited
again, whereas marked ones are alive and will not be visited again.

R=ulan@chromium.org
BUG=chromium:152615,chromium:144230

Review URL: https://codereview.chromium.org/11040021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12655 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-02 15:46:55 +00:00
ulan@chromium.org
64cc601e49 Change the Android makefile to use GCC 4.6 instead of GCC 4.4.3. 
Android NDK 8b includes GCC 4.6

R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11032018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12654 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-02 13:20:27 +00:00
jkummerow@chromium.org
e0c7d8301f Revert "Adding a high-resolution timer to platform win32." 
This reverts r12651.

Review URL: https://codereview.chromium.org/11033014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12652 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-02 11:07:26 +00:00
jkummerow@chromium.org
bdc466422b Adding a high-resolution timer to platform win32. 
BUG=None

Review URL: https://codereview.chromium.org/10867057
Patch from Sergey Rogulenko <rogulenko@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12651 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-02 10:59:44 +00:00
jkummerow@chromium.org
ecc7f4baad Replacing circular queue by single buffer in CPU Profiler. 
BUG=None

Review URL: https://codereview.chromium.org/10871039
Patch from Sergey Rogulenko <rogulenko@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12650 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-02 10:51:00 +00:00