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Author SHA1 Message Date
titzer@chromium.org
9eba79df6a Disable ranging for modulus in hopes it will fix arm. 
TBR=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/705113002

Cr-Commit-Position: refs/heads/master@{#25203}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25203 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 17:41:49 +00:00
balazs.kilvady@imgtec.com
700d7a2de5 MIPS: Turn ToNumberStub into a PlatformCodeStub again. 
Port 724a15e8bf
Port r25187

The HydrogenCodeStub is too expensive and there's no easy way to reduce
this cost, so turning it into a PlatformCodeStub solves that problem
until we can use TurboFan for code stubs.

TEST=mjsunit
BUG=
R=dusan.milosavljevic@imgtec.com

Review URL: https://codereview.chromium.org/707863002

Cr-Commit-Position: refs/heads/master@{#25202}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25202 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 16:27:32 +00:00
dcarney@chromium.org
720dc926f6 [turbofan] move label generation to code generator 
R=bmeurer@chromium.org

BUG=

Review URL: https://codereview.chromium.org/707803002

Cr-Commit-Position: refs/heads/master@{#25201}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25201 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 14:59:41 +00:00
titzer@chromium.org
e0cbbd2d8b [turbofan] Allocate a small amount of slack space to graph builder environments. 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/709463003

Cr-Commit-Position: refs/heads/master@{#25200}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25200 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 14:58:34 +00:00
bmeurer@chromium.org
6f18c1aaab [turbofan] Lower asm.js truncations to JSToNumber. 
- JSBitwiseOr(x, 0) => Word32Or(NumberToInt32(JSToNumber(x)), 0)
- JSMultiply(x, 1) => NumberMultiply(JSToNumber(x), 1)

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/706863003

Cr-Commit-Position: refs/heads/master@{#25198}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25198 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 13:55:43 +00:00
titzer@chromium.org
fb0a5a61bc Fix O(n^2) successor traversal in ControlReducer. 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/703163002

Cr-Commit-Position: refs/heads/master@{#25197}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25197 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 13:27:46 +00:00
bmeurer@chromium.org
88efe28d3c [turbofan] Combine JSToNumber and ChangeTaggedToFloat64 for fast SMI case. 
This does the following optimization during ChangeLowering:

 ChangeTaggedToFloat64(JSToNumber(x)) =>
   if IsSmi(x) then ChangeSmiToFloat64(x)
   else let y = JSToNumber(x) in
     if IsSmi(y) then ChangeSmiToFloat64(y)
     else LoadHeapNumberValue(y)

Also cleanup/rearrange some code duplication in ChangeLowering.

R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/703103003

Cr-Commit-Position: refs/heads/master@{#25195}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25195 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 13:26:19 +00:00
mstarzinger@chromium.org
9734f236a3 Revert "Remove workaround for successors on end block from scheduler." 
TBR=titzer@chromium.org

Review URL: https://codereview.chromium.org/705043002

Cr-Commit-Position: refs/heads/master@{#25194}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25194 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 13:12:16 +00:00
titzer@chromium.org
b309f3d208 [turbofan] (reland) Compute tighter ranges for modulus in Typer. 
R=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/694703004

Cr-Commit-Position: refs/heads/master@{#25193}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25193 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 13:10:49 +00:00
hpayer@chromium.org
652e1355a7 Fix marking time in cumulative gc stats. 
BUG=
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/708483004

Cr-Commit-Position: refs/heads/master@{#25192}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25192 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 12:59:31 +00:00
dcarney@chromium.org
a350f0d608 [turbofan] phis cannot take registers as inputs 
BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/704153002

Cr-Commit-Position: refs/heads/master@{#25191}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25191 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 12:56:44 +00:00
verwaest@chromium.org
f26d93e6f0 Allow JSArray fast moving elements even if the array's proto isn't Array.prototype in original state 
Otherwise array builtins don't work on internal arrays.

BUG=v8:3681
LOG=n
R=machenbach@chromium.org, mvstanton@chromium.org

Review URL: https://codereview.chromium.org/706703005

Cr-Commit-Position: refs/heads/master@{#25190}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25190 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 12:56:12 +00:00
bmeurer@chromium.org
35cc4af769 [turbofan] Push TruncateFloat64ToInt32 into phis. 
TEST=unittests
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/707683003

Cr-Commit-Position: refs/heads/master@{#25189}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25189 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 12:38:47 +00:00
mstarzinger@chromium.org
f9575cef57 Remove workaround for successors on end block from scheduler. 
R=titzer@chromium.org
TEST=cctest/test-scheduler/RPOLoop

Review URL: https://codereview.chromium.org/708763002

Cr-Commit-Position: refs/heads/master@{#25188}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25188 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 12:31:52 +00:00
bmeurer@chromium.org
9b72f14ced Turn ToNumberStub into a PlatformCodeStub again. 
The HydrogenCodeStub is too expensive and there's no easy way to reduce
this cost, so turning it into a PlatformCodeStub solves that problem
until we can use TurboFan for code stubs.

TEST=mjsunit
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/683913008

Cr-Commit-Position: refs/heads/master@{#25187}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25187 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 12:02:16 +00:00
machenbach@chromium.org
d04038bde5 Skip json2 on 64 bits debug. 
BUG=3681
LOG=n
TBR=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/701353003

Cr-Commit-Position: refs/heads/master@{#25186}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25186 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 11:53:13 +00:00
ishell@chromium.org
e1f93a82f2 Fix for an assertion failure in Map::FindTransitionToField(...). Appeared after r25136. 
BUG=chromium:430846
LOG=N
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/704183002

Cr-Commit-Position: refs/heads/master@{#25185}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25185 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 11:50:33 +00:00
mstarzinger@chromium.org
0b985c492e Reuse RPO traversal stack in the scheduler. 
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/695303003

Cr-Commit-Position: refs/heads/master@{#25184}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25184 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 11:40:46 +00:00
ishell@chromium.org
89617f06d1 Skip tests that timeout on arm64 
TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/709443002

Cr-Commit-Position: refs/heads/master@{#25183}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25183 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 10:24:49 +00:00
svenpanne@chromium.org
d56a21ebff The idea behind of this solution is to use the existing "relocation info" instead of consumption the CodeLinePosition events emitted by the V8 compilers. 
During generation code and relocation info are generated simultaneously.
When code generation is done you each code object has associated "relocation info".
Relocation information lets V8 to mark interesting places in the generated code: the pointers that might need to be relocated (after garbage collection),
correspondences between the machine program counter and source locations for stack walking.

This patch:
1. Add more source positions info in reloc info to make it suitable for source level mapping.
The amount of data should not be increased dramatically because (1) V8 already marks interesting places in the generated code and
(2) V8 does not write redundant information (it writes a pair (pc_offset, pos) only if pos is changed and skips other).
I measured it on Octane benchmark - for unoptimized code the number of source positions may achieve 2x ('lin_solve' from NavierStokes benchmark).

2. When a sample happens, CPU profiler finds a code object by pc, then use its reloc info to match the sample to a source line.
If a source line is found that hit counter is increased by one for this line.

3. Add a new public V8 API to get the hit source lines by CDT CPU profiler.
Note that it's expected a minor patch in Blink to pack the source level info in JSON to be shown.

4.Add a test that checks how the samples are distributed through source lines.
It tests two cases: (1) relocation info created during code generation and (2) relocation info associated with precompiled function's version.

Patch from Denis Pravdin <denis.pravdin@intel.com>;

R=svenpanne@chromium.org, yurys@chromium.org

Review URL: https://codereview.chromium.org/682143003

Patch from Weiliang <weiliang.lin@intel.com>.

Cr-Commit-Position: refs/heads/master@{#25182}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25182 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 09:17:14 +00:00
mstarzinger@chromium.org
361d7b0f0e Avoid redundant work in scheduler loop header/depth calculation. 
R=jarin@chromium.org

TEST=cctest/test-scheduler/LoopedFloatingDiamond2

Review URL: https://codereview.chromium.org/702683002

Cr-Commit-Position: refs/heads/master@{#25181}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25181 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 09:15:42 +00:00
bmeurer@chromium.org
8798c410e1 [turbofan] Turn various diamonds into selects. 
TEST=cctest/test-changes-lowering,mjsunit/asm,unittests
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/704463004

Cr-Commit-Position: refs/heads/master@{#25180}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25180 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 09:10:32 +00:00
marja@chromium.org
abb5fd1ee1 Retry: Parser & internalization fix: ensure no heap allocs during GetString(Handle<String>). 
The bug has always been there: when the parser is operating in the "immediately
internalize" mode and calls GetString, we get FlatContent of a string and then
do heap allocation.

The bug was uncovered by https://codereview.chromium.org/693803004/ (which put
the parser to the "immediately internalize" mode more often), but looking at the
code, it's possible that it can happen in other cases too.

This CL makes AstValueFactory handle this situation gracefully: it won't try to
internalize inside GetString(Handle<String>); it's unnecessary anyway since we
have the Handle<String> already.

BUG=
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/706533005

Cr-Commit-Position: refs/heads/master@{#25179}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25179 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 08:29:17 +00:00
dcarney@chromium.org
57b42dc51f [turbofan] extend register allocator testing with control flow 
R=bmeurer@chromium.org, jarin@chromium.org

BUG=

Review URL: https://codereview.chromium.org/699083003

Cr-Commit-Position: refs/heads/master@{#25178}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25178 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 08:28:45 +00:00
bmeurer@chromium.org
a7277a9b8c MIPS: Skip embenchen tests on big-endian. 
Emscripten requires little-endian arch. It has assertion for endianness:

assert(HEAPU8[0] === 255 && HEAPU8[3] === 0,
    'Typed arrays 2 must be run on a little-endian system');

TEST=mjsunit/asm/embenchen/*
BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/708663003

Patch from Paul Lind <paul.lind@imgtec.com>.

Cr-Commit-Position: refs/heads/master@{#25177}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25177 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 06:18:42 +00:00
bmeurer@chromium.org
881cece8de [turbofan] Transform x * -1.0 to -0.0 - x. 
TEST=msjunit/asm,unittests
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/683753004

Cr-Commit-Position: refs/heads/master@{#25176}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25176 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-06 06:13:46 +00:00
paul.lind@imgtec.com
f3b633cc0c MIPS: Fix uint32div bug after r25103. 
The div and mod instructions on MIPS are not safe for rhs 0.

TEST=test/mjsunit/asm/uint32div.js
BUG=
R=akos.palfi@imgtec.com

Review URL: https://codereview.chromium.org/704013002

Cr-Commit-Position: refs/heads/master@{#25174}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25174 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 22:49:13 +00:00
machenbach@chromium.org
b19ecf9753 Whitespace change to trigger bots (5) 
Cr-Commit-Position: refs/heads/master@{#25173}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25173 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 22:09:11 +00:00
machenbach@chromium.org
2593eb3dab Whitespace change to trigger bots (4) 
Cr-Commit-Position: refs/heads/master@{#25172}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25172 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 22:05:42 +00:00
machenbach@chromium.org
394a5d3cb0 Whitespace change to trigger bots (3) 
Cr-Commit-Position: refs/heads/master@{#25171}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25171 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 22:02:47 +00:00
machenbach@chromium.org
6e48921aa2 Whitespace change to trigger bots (2) 
Cr-Commit-Position: refs/heads/master@{#25170}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25170 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 21:59:22 +00:00
machenbach@chromium.org
e55a95d10d Whitespace change to trigger bots (1) 
Cr-Commit-Position: refs/heads/master@{#25169}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25169 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 21:55:23 +00:00
dusan.milosavljevic@imgtec.com
032ae8e876 MIPS: Fix instruction selection test expectations after r25120. 
TEST=unittests/InstructionSelectorCmpTest.Parameter,
     InstructionSelectorTest.Word32EqualWithZero
BUG=
R=paul.lind@imgtec.com

Review URL: https://codereview.chromium.org/706633003

Cr-Commit-Position: refs/heads/master@{#25167}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25167 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 18:51:43 +00:00
ishell@chromium.org
023c5e2f82 Skip tests that timout on arm64 
TBR=machenbach@chromium.org, bmeurer@chromium.org

Review URL: https://codereview.chromium.org/702163002

Cr-Commit-Position: refs/heads/master@{#25166}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25166 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 17:03:01 +00:00
mstarzinger@chromium.org
2235b52511 Fix printing and verification of RPO computation. 
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/700153002

Cr-Commit-Position: refs/heads/master@{#25165}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25165 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 15:45:52 +00:00
titzer@chromium.org
0f46c9b46a Revert "[turbofan] Compute tighter ranges for modulus in Typer." 
This reverts commit 482586747ca6bc0c94cc23f916fd190931d3a836.

TBR=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/702893002

Cr-Commit-Position: refs/heads/master@{#25164}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25164 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 15:19:45 +00:00
dcarney@chromium.org
9aa536f21a fix assert in arm64 gap resolver 
BUG=
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/708473002

Cr-Commit-Position: refs/heads/master@{#25163}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25163 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 15:09:48 +00:00
titzer@chromium.org
b2800d7d87 [turbofan] Compute tighter ranges for modulus in Typer. 
R=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/689133003

Cr-Commit-Position: refs/heads/master@{#25162}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25162 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 14:57:15 +00:00
machenbach@chromium.org
8db1bc7b06 Skip test in release mode for arm64 
TBR=bmeurer@chromium.org, ishell@chromium.org

Review URL: https://codereview.chromium.org/701013006

Cr-Commit-Position: refs/heads/master@{#25161}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25161 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 14:39:43 +00:00
machenbach@chromium.org
fbb3898f96 Make slow tests on arm64 
TBR=bmeurer@chromium.org, ishell@chromium.org

Review URL: https://codereview.chromium.org/701023003

Cr-Commit-Position: refs/heads/master@{#25160}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25160 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 14:32:46 +00:00
marja@chromium.org
ab5ae12e62 Revert "Parser & internalization fix: ensure no heap allocs during GetString(Handle<String>)." 
This reverts r25155.

Reason: breaks webkit unit tests.

BUG=
TBR=marja@chromium.org

Review URL: https://codereview.chromium.org/707483002

Cr-Commit-Position: refs/heads/master@{#25159}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25159 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 14:32:17 +00:00
marja@chromium.org
dddeb98df9 Parser & internalization fix: ensure no heap allocs during GetString(Handle<String>). 
The bug has always been there: when the parser is operating in the "immediately
internalize" mode and calls GetString, we get FlatContent of a string and then
do heap allocation.

The bug was uncovered by https://codereview.chromium.org/693803004/ (which put
the parser to the "immediately internalize" mode more often), but looking at the
code, it's possible that it can happen in other cases too.

This CL makes AstValueFactory handle this situation gracefully: it won't try to
internalize inside GetString(Handle<String>); it's unnecessary anyway since we
have the Handle<String> already.

R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/699343004

Cr-Commit-Position: refs/heads/master@{#25155}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25155 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 13:59:51 +00:00
machenbach@chromium.org
73835421d2 Make merge_to_branch more git-friendly. 
BUG=410721
LOG=n
TEST=script_test.py
R=tandrii@chromium.org
TBR=tandrii@chromium.org

Review URL: https://codereview.chromium.org/702843002

Cr-Commit-Position: refs/heads/master@{#25154}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25154 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 13:31:23 +00:00
jkummerow@chromium.org
8a3aeb62d0 HPhis with HParameter inputs must have Tagged representation 
BUG=v8:3670
LOG=n
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/702053002

Cr-Commit-Position: refs/heads/master@{#25153}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25153 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 13:24:43 +00:00
machenbach@chromium.org
90bfcce84b Skip box2d for gc stress. 
TBR=bmeurer@chromium.org, ishell@chromium.org

Review URL: https://codereview.chromium.org/696213003

Cr-Commit-Position: refs/heads/master@{#25152}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25152 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 13:12:46 +00:00
jarin@chromium.org
91eeae5849 [turbofan] Fix deopt for assignments in non-effect context. 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/701853002

Cr-Commit-Position: refs/heads/master@{#25151}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25151 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 13:09:14 +00:00
machenbach@chromium.org
1b4c25e0b7 Fix fast-variants feature in test driver. 
BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/701933003

Cr-Commit-Position: refs/heads/master@{#25150}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25150 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 13:05:46 +00:00
dcarney@chromium.org
ff5d8c16ce [turbofan] optimize hot loop in ResolveControlFlow 
R=jarin@chromium.org

BUG=

Review URL: https://codereview.chromium.org/694473002

Cr-Commit-Position: refs/heads/master@{#25149}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25149 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 12:47:14 +00:00
jkummerow@chromium.org
f96e386d9a Replace C++ bitfields with our own BitFields 
Shave this yak from orbit, it's the only way to be sure.

BUG=chromium:427616
LOG=n
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/700963002

Cr-Commit-Position: refs/heads/master@{#25148}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25148 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 12:41:46 +00:00
hpayer@chromium.org
66430307b5 Use compiler barrier instead of memory barrier for release/acquire atomic operations on mac. 
BUG=
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/694703003

Cr-Commit-Position: refs/heads/master@{#25147}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25147 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-11-05 12:35:51 +00:00