R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/584043002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24500 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This also reverts r23606, which was an incorrect fix.

BUG=v8:3116,chromium:417640,chromium:415424
LOG=Y
TEST=mjsunit/regress/regress-3116.js
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/639383002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24499 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Fix uninitialized FixedArray potentially being left behind by ElementsTransitionGenerator::GenerateDoubleToObject

BUG=chromium:421843
LOG=n
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/636313003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24498 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/636173002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24497 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=dslomov@chromium.org, bmeurer@chromium.org

Review URL: https://codereview.chromium.org/645583002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24496 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=v8:3587
LOG=Y
R=arv@chromium.org, dslomov@chromium.org

Review URL: https://codereview.chromium.org/585373003

Patch from Caitlin Potter <caitpotter88@gmail.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24495 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/642053002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24494 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=dslomov@chromium.org, bmeurer@chromium.org

Review URL: https://codereview.chromium.org/641033003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24493 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

There's no need to apply 0xff when storing 8-bit values or 0xffff when
storing 16-bit values.

TEST=unittests
R=titzer@chromium.org

Review URL: https://codereview.chromium.org/642033002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24492 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/645553002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24491 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=arv@chromium.org, ishell@chromium.org
BUG=v:3330
LOG=N

Review URL: https://codereview.chromium.org/638623002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24490 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=417668
LOG=N
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/641653002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24489 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/643603002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24488 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=machenbach@chromium.org
LOG=n
BUG=none

Review URL: https://codereview.chromium.org/646493002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24487 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TEST=
BUG=
R=jkummerow@chromium.org, paul.lind@imgtec.com

Review URL: https://codereview.chromium.org/618193005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24486 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TEST=cctest,mjsunit
R=mstarzinger@chromium.org, jarin@chromium.org

Review URL: https://codereview.chromium.org/645493002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24485 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Also suppress a deliberate lock cycle in test-lockers

BUG=none
R=glider@chromium.org, machenbach@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/642023002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24484 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=none
R=yangguo@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/639353002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24483 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Support selecting Ubfx for shift-mask and mask-shift operations. Also, rename
the shifts to match the instruction names.

BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/633123002

Patch from Martyn Capewell <m.m.capewell@googlemail.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24482 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Every CompilationInfo has an ID generator now, and it is never
reset/copied/assigned. Simplified FunctionState.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/633373003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24481 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

It's used from multiple threads

BUG=none
R=yangguo@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/640773002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24480 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

port r24548.

original commit message:

   Updates to maintain flag --vector-ics

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/642603004

Patch from Chunyang Dai <chunyang.dai@intel.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24479 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/641973002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24478 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

- Fix the Macroassembler::TruncatingDiv to compute
  the correct result even when the magic number is negative.
- Fix the MULT instruction in the simulator.

TEST=mjsunit/compiler/division-by-constant
BUG=
R=dusan.milosavljevic@imgtec.com

Review URL: https://codereview.chromium.org/637273002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24475 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/641713002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24474 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

And do not use code points with PATTERN_* property for identifier start.
Maintain that \u180E is a white space character.

BUG=v8:2892
LOG=Y
R=dpino@igalia.com, mathias@qiwi.be

Review URL: https://codereview.chromium.org/638643002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24473 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=v8:3330
LOG=Y
R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/624013005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24472 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/635323002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24471 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=none
TBR=ishell@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/638943002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24470 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=chromium:410721
LOG=n
TEST=script_test.py
TBR=tandrii@chromium.org

Review URL: https://codereview.chromium.org/641633002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24468 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Port r24458 (18af11b)

Original commit message:
Experimental feature vector-ics needs some maintenance.

BUG=
R=dusan.milosavljevic@imgtec.com

Review URL: https://codereview.chromium.org/636163002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24467 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

it's not thread safe, and there are only initialized isolates now.

BUG=none
R=svenpanne@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/633363002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24466 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

it's used on several threads

BUG=none
R=svenpanne@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/639763002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24465 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/638553003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24464 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Also fix an awfull bug in simplified lowering.

TEST=cctest,mjsunit/asm
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/640603003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24463 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Lower NumberMultiply, NumberDivide, and NumberModulus to Int32Mul, Int32[U]Div, and Int32[U]Mod when possible in simplified-lowering.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/620553008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24462 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TEST=benchmarks/octane/zlib
TBR=jarin@chromium.org

Review URL: https://codereview.chromium.org/633373002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24461 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=none
R=svenpanne@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/637263003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24460 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

We hollow out the rotting core and with evil intent repurpose its dry carcass to empower ourselves; with such a shell we can test.

R=mstarzinger@chromium.org

BUG=

Review URL: https://codereview.chromium.org/637873002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24459 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Experimental feature vector-ics needs some maintenance.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/638523003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24458 ce2b1a6d-e550-0410-aec6-3dcde31c8c00