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Author SHA1 Message Date
titzer@chromium.org
68eb1e50ca Improve dead code elimination by transitively marking live code and removing all dead code. Replace unreachable phi removal algorithm with the new dead code elimination pass, which is more thorough. 
Review URL: https://codereview.chromium.org/14676011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14661 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-14 13:10:52 +00:00
danno@chromium.org
6862babfd6 Remove HIsNilAndBranch (it's now unused) 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/14971005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14660 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-14 12:56:53 +00:00
svenpanne@chromium.org
cfe3e039ca Don't use anonymous types declared in an anonymous union. 
They are a non-standard extension (probably in C1X, IIRC), but clang is unhappy
with them when -Wnested-anon-types is enabled, which seems to be implied by
-pedantic.

With this change and the previous fix for clang, we are now -Werror clean, even
on clang 3.3.

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/14850016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14659 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-14 12:04:04 +00:00
danno@chromium.org
b65b6d735f Ensure that soft-deopts don't count against opt_count 
This makes sure that Crankshaft doesn't disable optimization to early on hot functions that still contain unexecuted code without type information.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/14738009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14658 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-14 11:45:33 +00:00
svenpanne@chromium.org
483a2958fa Fixed linkage for Is template. 
With static linkage, clang 3.3 is unhappy about unused functions

   template <> inline bool Is<JSFunction>(Object* obj)
   template <> inline bool Is<JSArray>(Object* obj)

in any compilation unit apart from acessors.cc.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/14836014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14657 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-14 11:02:20 +00:00
ulan@chromium.org
bbf7885cc8 Prepare push to trunk. Now working on version 3.19.2. 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/15159002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14654 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-14 08:13:25 +00:00
mvstanton@chromium.org
604eb35515 BinaryOpStub::GenerateSmiStub() on 32bit would erroneously patch the IC in case of a gc requirement. Brought the behavior into line with ARM and x64. Also some cleanup to label names. 
BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/15102006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14653 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-14 06:53:46 +00:00
palfia@homejinni.com
63a883aa92 MIPS: Only flush SharedFunctionInfo optimized code cache when necessary 
Port r14650 (d045fbd3)

BUG=

Review URL: https://codereview.chromium.org/15035007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14652 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-14 00:28:45 +00:00
palfia@homejinni.com
8050d8b0bb MIPS: Elide hole checks on KeyedLoads of holey double arrays 
Port r14630 (124d01e7)

Original commit message:
Improves NavierStokes by about 5%

BUG=

Review URL: https://codereview.chromium.org/14762012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14651 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-14 00:28:01 +00:00
danno@chromium.org
ddd72aa14f Only flush SharedFunctionInfo optimized code cache when necessary 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/14604007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14650 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-13 19:22:18 +00:00
wingo@igalia.com
1634369af7 Don't flush code for generator functions. 
R=mstarzinger@chromium.org
BUG=v8:2681
TEST=mjsunit/regress/regress-2681

Review URL: https://codereview.chromium.org/14731023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14649 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-13 17:36:26 +00:00
dslomov@chromium.org
9f18535d77 Enable harmony_typed_arrays for shared build of d8. 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/14927014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14648 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-13 16:32:32 +00:00
dslomov@chromium.org
5777f3fb48 Enable native implementation of array buffer and typed arrays in d8 and tests. 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/15059009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14646 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-13 14:18:43 +00:00
dcarney@chromium.org
b774c3edfe stop using AsciiValue 
TBR=svenpanne@chomium.org
BUG=

Review URL: https://codereview.chromium.org/15129002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14645 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-13 14:18:05 +00:00
svenpanne@chromium.org
c1bc396c2d Consistently assume that arithmetic operations can overflow unless one can prove the opposite. 
Previously, HDiv never had its CanOverflow flag cleared and HMod had
inverted logic (compared to HAdd, HSub and HMul). Minor cleanups on the way.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/14617015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14644 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-13 13:48:15 +00:00
danno@chromium.org
ca5fa6b2ce Fix Win64 build 
TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/14978005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14639 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-13 13:20:47 +00:00
jkummerow@chromium.org
7636fdec27 Fix missing hole check for loads from Smi arrays when all uses are changes 
BUG=chromium:233737

Review URL: https://codereview.chromium.org/14978004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14638 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-13 11:58:10 +00:00
svenpanne@chromium.org
4525879eb0 Print range and type for phis, too. 
To comply with c1visualizer syntax, the format for ranges and types has changed
slightly. Furthermore, the format for phi uses has been changed a bit for more
consistency, too.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/14882006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14637 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-13 11:51:49 +00:00
danno@chromium.org
cf1b80703f Improve trace_opt output to help find compilation problems 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/14978003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14636 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-13 11:10:31 +00:00
mstarzinger@chromium.org
883d9c4b1c Prevent flushing of code that was set with %SetCode. 
This makes sure that shared function infos that break the one-to-one
mapping to code are marked as un-flushable. Otherwise enqueuing through
the GC meta-data field in the code object doesn't work.

R=rossberg@chromium.org
TEST=cctest/test-api/Threading4

Review URL: https://codereview.chromium.org/14710015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14635 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-13 10:59:00 +00:00
danno@chromium.org
05e8e0e7b4 Elide hole checks on KeyedLoads of holey double arrays 
Improves NavierStokes by about 5%

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/15014020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14630 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-13 07:35:26 +00:00
svenpanne@chromium.org
f853b08ad0 Fixed constant folding in HMod. 
We have to check for overflow before attempting to do a modulo operation,
otherwise Crankshaft itself segfaults on some platforms, e.g. ia32. Added tests
even for division, where the problem doesn't show up, just to be sure...

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/14617014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14629 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-13 07:32:38 +00:00
palfia@homejinni.com
d9195153fc MIPS: Track heap objects. 
Port r14625 (bfb25ed8)

BUG=

Review URL: https://codereview.chromium.org/15102002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14628 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 22:48:41 +00:00
palfia@homejinni.com
4e1acaa674 MIPS: Call to the right slow method. 
Port r14608 (339e0877)

BUG=

Review URL: https://codereview.chromium.org/14980008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14627 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 22:47:49 +00:00
verwaest@chromium.org
d15ecb5b8c Return failure when allocating maps fails. 
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/14707011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14626 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 17:43:04 +00:00
verwaest@chromium.org
df57747fc4 Track heap objects. 
R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/14996004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14625 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 17:17:50 +00:00
mstarzinger@chromium.org
d97fe8d4df Add Persistent::ClearAndLeak. 
This will be relevant after Persistent is changed to Dispose itself when
destructed. With Persistent::ClearAndLeak, Blink can take the ownership of the
object pointed by a Persistent and avoid it getting destructed.

BUG=
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/15023010

Patch from Marja Hölttä <marja@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14624 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 14:04:51 +00:00
mstarzinger@chromium.org
0b7c1450f1 Fix bogus arguments length check in StringLocaleCompare. 
R=rossberg@chromium.org
TEST=test262/15.5.4.9_3

Review URL: https://codereview.chromium.org/14972015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14623 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 13:50:10 +00:00
ulan@chromium.org
9e620bb689 Revert r14610 because of test-262 failures. 
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/14838012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14622 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 13:21:24 +00:00
palfia@homejinni.com
1235ce419a MIPS: Fix NaN handling for start and end indexes in ArraySlice. 
Casting NaN to int is unpredictable, on different architectures it produces different int value.

TEST=test262/S15.4.4.10_A2.1_T2, test262/S15.4.4.10_A2.2_T2

BUG=

Review URL: https://codereview.chromium.org/14812014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14621 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 13:04:42 +00:00
mstarzinger@chromium.org
64651ed565 Update Test262 harness to recent version. 
R=rossberg@chromium.org
TEST=test262

Review URL: https://codereview.chromium.org/14644015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14620 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 13:00:43 +00:00
wingo@igalia.com
3f09e0a3d8 Remove separate maps for function instances 
ES3 specified that functions created via Function() would have
enumerable prototypes, unlike function literals.  For this reason, V8
has always had two prototypes for functions: "function_map" for
literals, and "function_instance_map" for "function instances": those
functions created by Function().

However, since 2009 or so, both maps have been the same!  Both have had
writable, non-enumerable prototypes.  Moreover, ES5 changed to specify
that function instances would have non-enumerable prototypes.

This patch removes the separate maps for function instances in sloppy
and strict mode.

R=mstarzinger@chromium.org
TEST=mjsunit/function-prototype
BUG=

Review URL: https://codereview.chromium.org/14829005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14619 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 12:59:20 +00:00
mstarzinger@chromium.org
0a224352ad Deprecate the version of Context::New which returns a Persistent. 
BUG=
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/15059016

Patch from Marja Hölttä <marja@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14618 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 12:48:53 +00:00
svenpanne@chromium.org
22159a1cf2 Robustification: Always assign an environment to LModI when a deopt is possible. 
Currently things only work because of a very fragile interaction between minus
zero propagation and range analysis.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/14904008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14617 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 12:45:14 +00:00
verwaest@chromium.org
d24d961638 Clear new-space promotion if the type is smi. 
R=mvstanton@chromium.org

Review URL: https://chromiumcodereview.appspot.com/15098002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14616 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 12:19:34 +00:00
svenpanne@chromium.org
911c14556d Cleaned up Crankshaft pipeline a bit. 
Two tiny changes:

  * Some phases were missing an HPhase, which was added, so we can now see all
    phases in the visualizer output.

  * Consistently test commandline flags directly in the pipeline, making it
    clearer which parts are optional and which are not.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/15074005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14615 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 11:32:13 +00:00
mstarzinger@chromium.org
eb18db3ab4 Skip flaky regress-crbug-160010 regression test. 
R=ulan@chromium.org
BUG=chromium:160010
TEST=mjsunit/regress/regress-crbug-160010

Review URL: https://codereview.chromium.org/14908006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14614 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 10:39:16 +00:00
mstarzinger@chromium.org
8829a94c24 Remove obsolete HArrayLiteral instruction. 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/14847013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14613 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 09:52:08 +00:00
mstarzinger@chromium.org
efe91b56f6 Remove obsolete HObjectLiteral instruction. 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/14972008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14612 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 09:47:05 +00:00
ulan@chromium.org
cc1053379d Use AssumeRepresentation when the representation is known and will not change. 
R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/14793014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14611 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 09:31:28 +00:00
ulan@chromium.org
36910718fe Verify that no-side-effects scope does not add unsafe phis and does not change push-pop balance of the environment. 
R=danno@chromium.org
BUG=v8:2671

Review URL: https://chromiumcodereview.appspot.com/14696015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14610 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 09:26:53 +00:00
verwaest@chromium.org
e40419d998 Turn on tracking of fields. 
R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/14807006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14609 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 09:12:52 +00:00
verwaest@chromium.org
6246929762 Call to the right slow method. 
R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/14834009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14608 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 09:12:30 +00:00
ulan@chromium.org
f68c4452d3 ARM: fix constant pool length emitted for disassembler. 
R=jfb@chromium.org

Review URL: https://chromiumcodereview.appspot.com/14972007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14607 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 09:03:51 +00:00
verwaest@chromium.org
5068079aff Always use BuildCheckNonSmi, and don't emit check if HeapObject. 
R=mvstanton@chromium.org

Review URL: https://chromiumcodereview.appspot.com/14731016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14606 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 08:58:58 +00:00
verwaest@chromium.org
addb8f96c1 Don't CheckSmi when type is Smi. 
R=mvstanton@chromium.org

Review URL: https://chromiumcodereview.appspot.com/14890007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14605 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 08:39:37 +00:00
ulan@chromium.org
dabcf04670 Prepare push to trunk. Now working on version 3.19.1. 
R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/14919008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14602 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-10 08:13:08 +00:00
plind44@gmail.com
4b8d06fdf6 ARM: Fix register name in AllocateAsciiConsString. 
BUG=
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/15024004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14601 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-08 22:21:54 +00:00
palfia@homejinni.com
45ba023b47 MIPS: Use mutable heapnumbers to store doubles in fields. 
Port r14597 (6e9d7149)

BUG=

Review URL: https://codereview.chromium.org/14607009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14600 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-08 22:15:27 +00:00
mvstanton@chromium.org
ef5211d8af Parallel compilation bug: LCallNewArray dereferenced a handle unnecessarily. 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/14761010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14599 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-08 16:48:27 +00:00