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9cf3909975
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606 Commits

Author SHA1 Message Date
bmeurer@chromium.org
9cf3909975 Track field types. 
This is an initial step towards tracking the exact types instead of just the representations of fields. It adds support to track up to one map of heap object field values, eliminating various map checks on values loaded from such fields, at the cost of making stores to such fields slightly more expensive.

TEST=mjsunit/field-type-tracking
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/167303005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20701 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-14 06:29:15 +00:00
ulan@chromium.org
ff953ac055 Make maps in monomorphic IC stubs weak. 
Maps in monomorphic Load, KeyedLoad, Store, KeyedStore, and CompareNil IC
stubs are treated as weak references by the marking visitor.

During generation of an IC stub with a weak map, the stub is appended to the
dependent code array of the map. When the map dies, all stubs in its dependent
code array are invalidated by setting embedded maps to undefined.

BUG=v8:2073
LOG=Y
TEST=cctest/test-heap/WeakMapInMonomorphic*IC
R=mstarzinger@chromium.org, verwaest@chromium.org

Review URL: https://codereview.chromium.org/188783003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20679 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-11 10:36:09 +00:00
hpayer@chromium.org
0387b23552 Disable concurrent sweeping. 
BUG=
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/232413003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20638 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-10 07:56:40 +00:00
hpayer@chromium.org
24692b306c Turn on concurrent sweeping. 
BUG=
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/230733002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20612 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-09 12:27:20 +00:00
hpayer@chromium.org
7f54e1999c Remove gc greedy mode. 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/227553005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20550 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-07 14:22:32 +00:00
yurys@chromium.org
681c15eb4e Remove debugger_auto_break flag 
The flag was introduced to support console debugger in Chrome. That debugger was replaced by DevTools long time ago and the flag is always true now.

BUG=None
LOG=Y
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/220743003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20393 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-01 11:23:23 +00:00
jochen@chromium.org
b7039334ae Revert 20313 - "Ship promises and weak collections" 
> R=mstarzinger@chromium.org
> BUG=
>
> Committed: https://code.google.com/p/v8/source/detail?r=20211
>
> Review URL: https://codereview.chromium.org/206163004

R=rossberg@chromium.org
TBR=rossberg@chromium.org
LOG=y
BUG=n

Review URL: https://codereview.chromium.org/219303002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20353 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-31 12:40:32 +00:00
rossberg@chromium.org
826cf64fd3 Ship promises and weak collections 
R=mstarzinger@chromium.org
BUG=

Committed: https://code.google.com/p/v8/source/detail?r=20211

Review URL: https://codereview.chromium.org/206163004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20313 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-27 16:42:34 +00:00
dslomov@chromium.org
76b8f25edb This implements allocating small typed arrays in heap. 
R=mvstanton@chromium.org, verwaest@chromium.org

Review URL: https://codereview.chromium.org/150813004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20279 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-26 12:50:13 +00:00
dslomov@chromium.org
cdc9812756 Revert "This implements allocating small typed arrays in heap." 
This reverts commit r20244 for breaking Win64 build and webkit tests.

TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/208503007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20250 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-25 14:12:58 +00:00
dslomov@chromium.org
654b6a27d1 This implements allocating small typed arrays in heap. 
R=mvstanton@chromium.org, verwaest@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=20240

Review URL: https://codereview.chromium.org/150813004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20244 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-25 13:21:58 +00:00
dslomov@chromium.org
727bc2153e Revert "This implements allocating small typed arrays in heap." 
This reverts commit r20240 for breaking Windows build.

TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/211003003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20242 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-25 12:58:22 +00:00
dslomov@chromium.org
322a474bf2 This implements allocating small typed arrays in heap. 
R=mvstanton@chromium.org, verwaest@chromium.org

Review URL: https://codereview.chromium.org/150813004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20240 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-25 12:51:49 +00:00
rossberg@chromium.org
2e1b16de2a Revert "Ship promises and weak collections" 
Reason: breaks Blink layout tests.

R=machenbach@chromium.org
BUG=

Review URL: https://codereview.chromium.org/210853003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20233 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-25 10:57:52 +00:00
titzer@chromium.org
3c31102025 First implementation of store elimination. 
BUG=
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/100253004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20224 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-25 09:06:16 +00:00
rossberg@chromium.org
33be68c2fa Ship promises and weak collections 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/206163004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20211 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-24 16:59:04 +00:00
yangguo@chromium.org
479bb2ffbf Disable concurrent OSR. 
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/208263011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20172 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-24 07:44:50 +00:00
yangguo@chromium.org
265ae63173 Enable concurrent OSR. 
R=danno@chromium.org

Review URL: https://codereview.chromium.org/208253002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20165 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-21 14:05:49 +00:00
jochen@chromium.org
2ce0bebba1 Rename A64 port to ARM64 port 
BUG=354405
R=ulan@chromium.org, rodolph.perfetta@arm.com
LOG=y

Review URL: https://codereview.chromium.org/207823003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20148 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-21 09:28:26 +00:00
yangguo@chromium.org
eb34943cfb Revert "Enable Concurrent OSR" due to A64 failures. 
This reverts r20096.

TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/206173002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20097 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-20 08:19:25 +00:00
yangguo@chromium.org
65d0d384c7 Enable concurrent OSR. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/139983008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20096 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-20 08:04:28 +00:00
jkummerow@chromium.org
da6e5ebcdf Add FLAG_trace_bce 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/203193006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20088 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-19 16:03:56 +00:00
rossberg@chromium.org
58d623f228 Stage ES6 promises and weak collections 
Split collections flag into weak and non-weak.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/201593004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20019 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-18 09:57:14 +00:00
yangguo@chromium.org
4e390c64f1 Harmony: move math features to es-staging. 
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/195123002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19886 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-13 09:51:59 +00:00
adamk@chromium.org
8bd05193c7 Reland "Enable Object.observe by default" again 
This re-re-re-lands enabling Object.observe. The Chromium tests that
failed last time this was rolled into Chromium have been disabled in
https://src.chromium.org/viewvc/chrome?view=revision&revision=256706

This patch should be safe to merge once that lands.

BUG=v8:2409
LOG=Y
TBR=rossberg@chromium.org,dslomov@chromium.org,rafaelw@chromium.org

Review URL: https://codereview.chromium.org/198383002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19868 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-13 00:20:06 +00:00
rmcilroy@chromium.org
f9288fca53 Update serializer to be able to deal with ool constant pool. 
This CL depends on CL https://codereview.chromium.org/179813005/ landing first.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/190883002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19826 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-11 20:52:00 +00:00
dslomov@chromium.org
f6dac13dcb Revert "Enable Object.observe by default" 
This reverts commit r19734 for breeaking ChromiumOS browser tests.
'OpenSpecialTypes/FileManagerBrowserTest.Test/3' started to time out,
bisecting the roll led to this change.
http://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Tests%20%282%29/builds/22224

TBR=rafaelw@chromium.org,rossberg@chromium.org
BUG=v8:2409
LOG=Y

Review URL: https://codereview.chromium.org/195123005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19816 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-11 18:15:44 +00:00
dslomov@chromium.org
5961614702 Revert "Enable concurrent sweeping." 
This reverts commit r19792 for breaking ARM tests.

TBR=hpayer@chromium.org

Review URL: https://codereview.chromium.org/194553003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19802 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-11 14:59:19 +00:00
hpayer@chromium.org
fd2f351237 Enable concurrent sweeping. 
BUG=
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/166683002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19792 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-11 11:37:53 +00:00
bmeurer@chromium.org
48fea83dad Merge the "Compute Minus Zero Checks" phase into the range analysis. 
It is not safe to access the range for an SSA value
after range analysis.

BUG=v8:3204
LOG=y
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/192673002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19751 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-10 11:49:29 +00:00
rafaelw@chromium.org
6503dfb72b Reland "Enable Object.observe by default" 
Original Issue: https://codereview.chromium.org/183683022/

TBR=rossberg
BUG=v8:2409
LOG=Y

Review URL: https://codereview.chromium.org/189513010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19736 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-08 04:41:06 +00:00
rafaelw@chromium.org
0cc44c14e5 Revert "Enable Object.observe by default" 
TBR=rossberg
BUG=

Review URL: https://codereview.chromium.org/190853007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19735 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-08 03:54:42 +00:00
rafaelw@chromium.org
dcf9842e07 Enable Object.observe by default 
R=rossberg@chromium.org, rossberg
BUG=v8:2409
LOG=Y

Review URL: https://codereview.chromium.org/183683022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19734 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-08 02:47:53 +00:00
rossberg@chromium.org
758a688bb6 Add --es-staging flag 
...and remove some obsolete ones.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/165723008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19669 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-05 10:07:07 +00:00
ishell@chromium.org
1d3f32ea79 Don't disable hash randomization option in predictable mode. 
We don't need it because
1) hash randomization uses random generator whose results depend on --random-seed option which is set in predictable mode.
2) disabling hash randomization triggers assert in snapshot mode.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/171813015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19647 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-03-04 12:42:43 +00:00
mstarzinger@chromium.org
947a5e6b3a Implement and enable zapping of code space while sweeping. 
R=danno@chromium.org, hpayer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/181513004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19568 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-27 09:36:29 +00:00
jochen@chromium.org
201436d4bd A64: Hardwire the decoder and the simulator 
If one of --trace-sim --debug-sim or --log-instruction-stats flags is
given, we use the decoder dispatcher instead.

BUG=none
R=rodolph.perfetta@arm.com, ulan@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/177533023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19564 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-26 14:50:58 +00:00
dcarney@chromium.org
499b31e222 Crash like chrome. Currently, most chrome crashes do not yield useful stack traces as v8 does a silent abort and chrome's crash symbolization does not kick in. 
R=svenpanne@chromium.org

BUG=

Review URL: https://codereview.chromium.org/179793004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19544 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-25 13:53:06 +00:00
plind44@gmail.com
b83da9f5c3 MIPS: Add flag for testing long branch mode. 
TEST=
BUG=
R=jkummerow@chromium.org, plind44@gmail.com

Review URL: https://codereview.chromium.org/173773003

Patch from Dusan Milosavljevic <Dusan.Milosavljevic@rt-rk.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19520 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-20 21:03:26 +00:00
mstarzinger@chromium.org
984af9c721 Add flags for write barrier elimination and local allocation folding. 
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/166163003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19382 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-14 14:58:05 +00:00
vegorov@chromium.org
8f170a66e7 Improve positions tracking inside the HGraphBuilder. 
Instead of tracking simple absolute offset from the start of the script like other places do, track a pair of (inlining id, offset from the start of inlined function).

This enables us to pinpoint with inlining path an instruction came from. Previously in multi-script environments we emitted positions that made very little sense because inside a single optimized function they would point to different scripts without a way to distinguish them.

Start dumping the source of every inlined function to make possible IR viewing tools with integrated source views as there was previously no way to acquire this information from IR dumps. We also dump source position at which each inlining occured.

Tracked positions are written into hydrogen.cfg as pos:<inlining-id>_<offset>.

Flag --emit-opt-code-positions is renamed by this change into --hydrogen-track-positions to better convey it's meaning.

In addition this change assigned global unique identifier to each optimization performed inside isolate. This allows to precisely match compilation artifacts (e.g. IR and disassembly) and deoptimizations.

BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/140683011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19360 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-13 16:09:28 +00:00
jochen@chromium.org
ee2b095a57 Introduce --job-based-sweeping flag and use individual jobs for sweeping if set 
BUG=v8:3104
R=hpayer@chromium.org
LOG=y

Review URL: https://codereview.chromium.org/143803007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19357 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-13 15:36:17 +00:00
ulan@chromium.org
e95bc7eec8 Merge experimental/a64 to bleeding_edge. 
BUG=v8:3113
LOG=Y
R=jochen@chromium.org, rmcilroy@chromium.org, rodolph.perfetta@arm.com

Review URL: https://codereview.chromium.org/148293020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19311 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-12 09:19:30 +00:00
ishell@chromium.org
994f0f6dda Fix for a smi stores optimization on x64 with a test case. 
BUG=338425
LOG=N
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/152923006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19288 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-11 16:02:18 +00:00
yangguo@chromium.org
1f7feb9696 Remove obsolete stack trace string in a message object. 
The stack trace string is an ancient relic that is no longer being used.
We use the structured stack trace object instead.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/159013002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19264 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-11 09:29:51 +00:00
yangguo@chromium.org
07c2af5a46 Remove unused --stack-trace-on-abort flag. 
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/156783004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19252 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-11 07:29:23 +00:00
yangguo@chromium.org
557b40d90c Add flag to print stack trace on illegal exception. 
This would help a lot with native Javascript code.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/156373003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19251 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-11 07:28:05 +00:00
bmeurer@chromium.org
2b60325def [Sheriff] Revert "Check elimination temporarily disabled.", "Fix for buildbot failure after r19102." and "Check elimination improvement: propagation of state through phis is supported, CheckMap narrowing implemented." 
This reverts commit r19102, r19105 and r19170 for breaking the
Chrome browser_tests. Will reland once fixed.

R=ishell@chromium.org

Review URL: https://codereview.chromium.org/130053007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19179 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-07 07:36:30 +00:00
ishell@chromium.org
4a0d4109e4 Check elimination temporarily disabled. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/149523004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19170 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-06 17:31:00 +00:00
ishell@chromium.org
a26bd05be3 Optimized stores of smis on x64 temporarily disabled. 
BUG=338425
LOG=N
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/132753008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19155 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-06 13:16:44 +00:00