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Author SHA1 Message Date
verwaest@chromium.org
917ac7d413 Improve range analysis for smi phi 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/17498002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15247 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 14:11:52 +00:00
olivf@chromium.org
29d3461529 Let NaN flow as double into HBranch + some minor improvements 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/17082003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15246 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 13:51:03 +00:00
verwaest@chromium.org
2b485416ed Properly assign heapobject to constant functions. 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/17406009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15245 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 13:46:29 +00:00
verwaest@chromium.org
4922e3d206 Flexible representation for BuildIncrement, but CannotBeTagged. 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/17028017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15244 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 13:22:46 +00:00
verwaest@chromium.org
b17e759dc1 Add soft-deopt for uninitialized assignment 
R=hpayer@google.com

Review URL: https://chromiumcodereview.appspot.com/17071002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15241 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 13:09:43 +00:00
wingo@igalia.com
646a34e1e0 Generators: Avoid calling into runtime if operand stack is empty 
This patch makes yield sites save the resume continuation and context
inline.  If the operand stack is empty, we can avoid a call into the
runtime.  This also makes the SuspendJSGeneratorObject runtime function
less magical: it just has to save the operand stack and stack handlers.

This speeds up the following case by a factor of 3 or so:

  function* until(n) {
    for (var i = 0; i < n; i++)
      yield i;
  }

  function sum(iter) {
    var sum = 0;
    for (var x of iter) sum += x;
    return sum;
  }

  for (var i = 0; i < 10000; i++) sum(until(1000))

Also, there is no more sentinel value as the generators will resume in
the right place already, allowing me to remove the hack added to the
--debug-code check in r14437.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/15990004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15240 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 12:59:45 +00:00
dcarney@chromium.org
8202410cca deprecate old style callbacks 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/17069003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15239 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 12:53:19 +00:00
mstarzinger@chromium.org
697bee6157 Use +kCallerSPOffset instead of -kMarkerOffset to compute the args pointer 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/17451014

Patch from Haitao Feng <haitao.feng@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15238 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 12:51:36 +00:00
dcarney@chromium.org
a74f511e61 remove all old style callbacks - patch 3 
TBR=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/17336003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15237 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 12:28:27 +00:00
verwaest@chromium.org
149d31eb14 Fix the flags used to probe the megamorphic code cache. 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/17448017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15236 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 12:07:56 +00:00
olivf@chromium.org
4ee7a92d83 Lithium codegen should not pass around block_ids. Rather encapsulate the basic block to assembly label mapping in the LInstruction. 
BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/17276002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15235 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 11:50:50 +00:00
hpayer@chromium.org
6ed90f08ed Report store buffer overflows to v8 counters. 
BUG=
R=jkummerow@chromium.org, mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/17303006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15234 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 11:47:58 +00:00
hpayer@chromium.org
77f5c6c122 Don't let the GC clear the cache between cache invocations to pass test. 
BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/17218005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15233 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 11:23:34 +00:00
dcarney@chromium.org
3a5e4c45a6 windows test fix for 15221 
TBR=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/16831020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15232 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 11:03:04 +00:00
yangguo@chromium.org
928cbcdc8d Skip parallel recompilation tests if parallel recompilation is disabled. 
Parallel recompilation is usually disabled on single-core systems.

R=jkummerow@chromium.org
BUG=v8:2733

Review URL: https://codereview.chromium.org/17261021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15231 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 11:01:33 +00:00
wingo@igalia.com
f7ba3a7bb1 Fix stack frame reconstruction for generators with formal arguments 
The formal parameter count was always being treated as an untagged
integer, but it is actually a Smi on ia32 and arm.

R=mstarzinger@chromium.org
BUG=v8:2355
TEST=mjsunit/harmony/generators-iteration

Review URL: https://codereview.chromium.org/17485002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15230 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 10:48:34 +00:00
mstarzinger@chromium.org
ea87d08557 Revert r14930 and r14935 temporarily. 
This is a temporary revert to track down a potential perf regression
introduced in r14930. The following two changes were reverted:
- "Deprecate HAllocateObject in favor of HAllocate."
- "Added pretenuring support for call new."

R=danno@chromium.org
BUG=chromium:247504

Review URL: https://codereview.chromium.org/17491002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15229 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 10:48:14 +00:00
hpayer@chromium.org
d51a0d06e3 Make isolate id getter public. 
BUG=
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/17343004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15228 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 10:05:33 +00:00
hpayer@chromium.org
1609402534 Abort incremental marking in stress gc tests whenever we expect a full collection after executing CollectAllGarbage. 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/17482003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15227 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 10:04:53 +00:00
verwaest@chromium.org
e829fb4fa2 Merge assignment handling for Assignment and CompoundAssignment 
R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/17328005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15226 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 09:19:19 +00:00
dcarney@chromium.org
b9e5c586a8 symbols should be in the startup snapshot 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/17366004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15225 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 09:10:19 +00:00
rossberg@chromium.org
eb099a1a8c Introduce Type::Intersect function 
Also, fix bugs in Type::Union and Type::Maybe.

(This subsumes the in-flight fix for Union in https://codereview.chromium.org/16925008/, including test cases).

R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/17335003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15224 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 09:10:10 +00:00
yangguo@chromium.org
0d409f5213 Directly use C++ builtin of ArrayPush for String.prototype.split. 
R=svenpanne@chromium.org
BUG=v8:2737

Review URL: https://codereview.chromium.org/17283007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15223 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 08:13:21 +00:00
dcarney@chromium.org
640353d088 remove all old style callbacks - patch 1 of many 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/17064004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15222 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 08:12:59 +00:00
dcarney@chromium.org
89fb509c77 remove all old style callbacks - patch 2 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/17071004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15221 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 08:07:45 +00:00
yurys@chromium.org
2ab2e4843e Introduce THREADED_PROFILED_TEST macro 
A bunch of tests in test-api.cc need to be executed two times: with CPU profiler on and off to check different code paths. There are only two such tests at the moment but I'm going to add more and having this logic duplicated in all these tests look awkward. The tests are executed as part of Threading* tests and there is no much sense in running CPU profiler in that case. This change addresses both problems by introducing THREADED_PROFILED_TEST macro which mosly resembles THREADED_TEST except that when such test is executed as a standalone test (not part of a test-api/Threading*) it will first run the test normally and the start CPU profiler and run the test again.

BUG=244580
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/17072002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15220 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 06:46:56 +00:00
yurys@chromium.org
3b53f7dc61 Fix data race in v8::internal::UnboundQueue 
This change modifies memory accesses to ensure proper load/store ordering.

BUG=249750
R=dvyukov@google.com, jkummerow@chromium.org

Review URL: https://codereview.chromium.org/17294004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15219 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 06:23:34 +00:00
yurys@chromium.org
07ae09c124 Nuke OS::ReleaseStore, use Release_Store instead 
The operation is already implemented in atomicops.h No need to duplicate the code.

BUG=None
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/17222004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15218 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 06:16:24 +00:00
yurys@chromium.org
e64c79c2e7 Fix typo in #undef parameter 
BUG=None
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/17176003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15217 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-20 06:13:03 +00:00
verwaest@chromium.org
2ca5c6cd03 Fix using monomorphic store instruction for polymorphic stores. 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/16875008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15214 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 18:07:35 +00:00
plind44@gmail.com
127af45629 MIPS: Fix test-cpu-profiler/SampleWhenFrameIsNotSetup flakiness on MIPS simulator. 
BUG=v8:2628

TEST=cctest/test-cpu-profiler/SampleWhenFrameIsNotSetup
R=jkummerow@chromium.org, yurys@chromium.org

Review URL: https://codereview.chromium.org/17265004

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

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15213 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 17:20:25 +00:00
plind44@gmail.com
e6b83db740 MIPS: Fix cctest/test-assembler-mips on MIPS32R1 architecture. 
TEST=cctest/test-assembler-mips/MIPS3

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/17099010

Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15212 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 17:15:21 +00:00
plind44@gmail.com
f76e55fb38 MIPS: Use type feedback for Array (non-constructor) call sites. 
Port r15201 (8c56d50)

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/17447004

Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15211 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 17:08:46 +00:00
mstarzinger@chromium.org
ade5b02606 Lower limit for external allocation and improve tracing. 
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/16896012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15210 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 17:01:43 +00:00
mstarzinger@chromium.org
a527f451bc Deprecate old code aging mechanism. 
The old code aging mechanism is too agressive with flushing as it leads
to many functions being flushed and recompiled over and over again. By
now the new code aging mechanism has stabilized enough to deprecate the
old fallback mechanism.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/17061004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15209 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 17:00:01 +00:00
jkummerow@chromium.org
aea73c155d Remove unused counters 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/17157006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15208 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 16:50:38 +00:00
mvstanton@chromium.org
7f0f022792 Bugfix in hydrogen array literal code generation. 
If an array literal contains some non-constant elements, is of type SMI, and
then the boilerplate transitions to double or fast sometime after we've
crankshafted the code, then we could incorrectly store smis in double arrays.

BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/17334004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15207 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 13:48:50 +00:00
svenpanne@chromium.org
010d9aba16 Avoid relying on monkey-patchable things in String.prototype.split. 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/17391016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15206 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 12:25:40 +00:00
dslomov@chromium.org
51f3e2f055 Do not use weak handles for ArrayBuffers. 
Instead of allocating weak handles to free ArrayBuffer backing store, dispose of memory while walking the weak list of ArrayBuffers on GC.

Also, free all array buffers on isolate tear-down.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/16950013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15205 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 11:53:30 +00:00
jkummerow@chromium.org
7821715dc1 Always reset allowed OSR nesting level when reverting interrupt code patches. 
Also, --trap-on-deopt should only affect optimized functions, not hydrogen stubs.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/16848020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15204 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 09:38:28 +00:00
jkummerow@chromium.org
3ca50a576a x64: LAddI must use LEAL, not LEAQ 
R=danno@chromium.org

Review URL: https://codereview.chromium.org/17448005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15203 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 09:36:38 +00:00
yangguo@chromium.org
1be45275c6 Fix test for bots that force --parallel-recompilation as shell flag. 
R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/16914006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15202 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 09:32:05 +00:00
mvstanton@chromium.org
c70b41684d Use type feedback for Array (non-constructor) call sites. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/17155010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15201 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 09:25:24 +00:00
svenpanne@chromium.org
3f69800acc Removed ReplaceResultBuilder. 
Most of its code was dead, and the remaining part was a simple
one-liner, which is now inlined at its single call-site.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/17101021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15200 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 08:59:56 +00:00
hpayer@chromium.org
8f8461aff5 Disable stress_compaction flag in several GC tests to meet test 
expectations.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/17262002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15199 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 08:58:09 +00:00
hpayer@chromium.org
137a8c5181 Move static flag modifications to V8::InitializeOncePerProcessImpl(). 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/17250006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15198 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 08:57:26 +00:00
mstarzinger@chromium.org
6510948b2c Make Zone::allocation_size work with parallel zones. 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/16858018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15197 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 07:48:41 +00:00
yangguo@chromium.org
6e420a66be Tweak type info threshold. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/17390004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15196 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-18 14:36:17 +00:00
yangguo@chromium.org
627872ec67 Do not modify FLAG_parallel_recompilation after start up. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/17202006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15195 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-18 14:25:24 +00:00
mstarzinger@chromium.org
0524263a27 Remove obsolete elements kind check for array literals. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/17378005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15194 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-18 13:32:06 +00:00