Port r13236 (cd9236c5)

BUG=
TEST=

Review URL: https://codereview.chromium.org/11801002
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13322 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

MIPS: Remove redundant loads in DoCheckMaps Hoist the loop-invariant load out of the loop and call the other CheckMap function

Port r13253 (5af29105)

BUG=
TEST=

Review URL: https://codereview.chromium.org/11784014
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13321 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Remove code specific to KeyedLoadICs in DoCompiledStubFrame on all platforms, driving stub frame translation by the register parameter information found in a stub's CodeStubInterfaceDescriptor.

Review URL: https://codereview.chromium.org/11635015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13320 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=svenpanne@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11565014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13319 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ARM generated integer zero as either Operand(0, RelocInfo::NONE32), or
Operand(0), or Operand::Zero(). My change makes it use only
Operand::Zero().

This has no functional impact, it's pure cleanup.

R= ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11745030
Patch from JF Bastien <jfb@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13318 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

I had missed some earlier.

Followup to:
https://chromiumcodereview.appspot.com/11695006/

There are now NONE and NONE64 RelocInfo types, but only ARM uses them
both at the same time. They were added in:
https://chromiumcodereview.appspot.com/11191029/

R= ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11742045
Patch from JF Bastien <jfb@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13317 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Port r13247 (4dda8131)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/11782009
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13316 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Port r13288 (5fa2c889)

Original commit message:
This change associates TypeFeedbackIds with ToBoolean stubs in
full-compiled code on ARM, allowing their information to be used in
Crankshaft. This eliminates unnecessary checks, especially in
DoBranch.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/11801003
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13315 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: https://chromiumcodereview.appspot.com/11737032

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13314 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=verwaest@chromium.org
BUG=v8:2419

Review URL: https://chromiumcodereview.appspot.com/11759022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13313 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This reduces the time to run our test suite in debug mode considerably (from
8:43 to 4:05 on my local workstation using 32 threads). Note that the assertion
is so fast now that it doesn't need to be hidden behind --enable-slow-asserts.
Furthermore, the bookkeeping of the set is not measurable in all our benchmarks,
so I intentionally avoided any #ifdef chaos to keep things simple.

Review URL: https://codereview.chromium.org/11745027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13312 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This CL only does renaming, nothing else.

Followup to:
https://chromiumcodereview.appspot.com/11695006/

There are now NONE and NONE64 RelocInfo types, but only ARM uses them
both at the same time. They were added in:
https://chromiumcodereview.appspot.com/11191029/

R= ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11744020
Patch from JF Bastien <jfb@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13311 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=svenpanne@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11748029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13308 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

There are now NONE and NONE64 RelocInfo types, but only ARM uses them
both at the same time. They were added in:
  https://chromiumcodereview.appspot.com/11191029/

I'll rename NONE to NONE32 in a later CL.

This CL cleans up the RelocInfo::NONE usage by:
 - Using RelocInfo::IsNone when testing for NONE-ness.
 - Using NONE on 32-bit platforms (MIPS and IA32), and NONE64 on 64-bit
   platforms (x64).

This cleans up the code and prevents it from evolving bugs in the future
because NONE32 and NONE64 are used in misleading ways.

R= ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11695006
Patch from JF Bastien <jfb@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13307 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=dcarney@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11746015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13304 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: https://codereview.chromium.org/11744019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13303 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=yangguo@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11725006
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13302 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: https://codereview.chromium.org/11745011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13301 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=yangguo@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11727004
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13298 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

With these Makefile changes, it is possible to build V8 on the Raspberry Pi with the following make invocation:

make native armv7=false vfp3=off hardfp=on disassembler=on console=readline snapshot=on gdbjit=on strictaliasing=off

R=danno@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11722003
Patch from Luis Reis <luis.m.reis@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13297 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=yangguo@chromium.org

Review URL: https://codereview.chromium.org/11743012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13294 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=dcarney@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11738004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13293 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: https://chromiumcodereview.appspot.com/11416238

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13292 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=dcarney@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11727003
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13291 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: https://codereview.chromium.org/11550005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13290 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Zheng Liu
zheng.z.liu@intel.com

Review URL: https://chromiumcodereview.appspot.com/11624022
Patch from Zheng Liu <zheng.z.liu@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13289 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This change associates TypeFeedbackIds with ToBoolean stubs in
full-compiled code on ARM, allowing their information to be used in
Crankshaft. This eliminates unnecessary checks, especially in
DoBranch.

Review URL: https://chromiumcodereview.appspot.com/11635046
Patch from Jay Conrod <dconrod@codeaurora.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13288 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

CallApiFunctionAndReturn in X64

Review URL: https://codereview.chromium.org/11694008
Patch from Haitao Feng <haitao.feng@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13287 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This requires constant blinding before it can be enabled. There are other interesting optimizations that can be added later, detailed in a TODO.

BUG=optimization
R=ulan@chromium.org,mstarzinger@chromium.org, hwennborg@google.com

Review URL: https://chromiumcodereview.appspot.com/11191029
Patch from JF Bastien <jfb@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13286 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Right now it's impossible to figure out from headers that smis are left shifted
by 31 bit on x64, and only then tagged.

R=erik.corry@gmail.com

Review URL: https://codereview.chromium.org/11676005
Patch from Fedor Indutny <fedor@indutny.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13285 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Change is performance neutral but generates smaller code and encapsulates double alignment in the macro-assembler rather than at the allocation site.

Review URL: https://codereview.chromium.org/11684005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13284 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=danno@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11675006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13281 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/11675005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13280 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=ulan@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11678006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13279 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: https://chromiumcodereview.appspot.com/11660028
Patch from Haitao Feng <haitao.feng@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13278 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This is due to test failures in test-mark-compact/BootUpMemoryUse.

R=ulan@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11688003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13277 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=dcarney@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11669020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13276 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=yangguo@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11638037
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13275 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=ulan@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11662009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13274 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

An untagged int32 has zeros in the upper half even if it is negative.
Using cmpq to compare such numbers will incorrectly ignore the sign.

BUG=164442
R=mvstanton@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11665007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13273 ce2b1a6d-e550-0410-aec6-3dcde31c8c00