Pass dependency to HLoadNamedField for array length load

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/267773004

Patch from Jing Bao <jing.bao@intel.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21162 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Move generated math methods from platform to codegen

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

Review URL: https://codereview.chromium.org/269823006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21163 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Produce cached data only for scripts which compile without errors.

ScriptCompiler::CompileUnbound handles cached data only when there was no
compilation error, so, if we produce the data for erroneous scripts, the
ScriptData object is leaked.

In addition, producing cached data for erroneous scripts makes little sense.

R=ulan@chromium.org
BUG=370327
LOG=N

Review URL: https://codereview.chromium.org/266423003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21164 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix for 3303 MultithreadedParallelIsolates has a race condition.

The fix is to make the code aging sequence hang off the isolate.

BUG=v8:3303
R=svenpanne@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/261953002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21165 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Pass in the map while creating JSFunction, and set prototype in the client.

BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/263083008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21166 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Removed default Isolate.

There is probably room for more cleanup after this...

BUG=359977
LOG=y
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/262163006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21167 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
ARM64: Introduce TempDoubleRegister as a lithium operand constraint.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/261933002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21168 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Only force creating initial maps when we have prototypes.

BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/261983007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21169 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Revert "Removed default Isolate."

This reverts commit r21167, cctest/test-serialize has to be fixed first.

TBR=dcarney@chromium.org

Review URL: https://codereview.chromium.org/267163002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21170 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fixed jump in non-SSE4.1 implementation of LMathFloor instruction on x64.

BUG=chromium:370384
LOG=N
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/261853009

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21171 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
ARM64: Sign extension on MemOperand for keyed ops

SXTW extend mode is usually cheaper on loads and stores than arithmetic,
so move it to the memory accesses where possible for Keyed loads and
stores.

BUG=
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/268483002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21172 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Re^3-land "Ship promises and weak collections"

R=jochen@chromium.org
BUG=

Review URL: https://codereview.chromium.org/266243003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21173 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Prevent liveedit on or under generators with open activations

R=yangguo@chromium.org
LOG=N
TEST=mjsunit/harmony/generators-debug-liveedit.js
BUG=

Review URL: https://codereview.chromium.org/266983004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21174 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Import features.gypi into BUILD.gn

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

Review URL: https://codereview.chromium.org/261203003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21175 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Remove strange v8_target_arch=="mac" conditions from gyp files

mac is not an architecture, and it doesn't make sense to compile in both
the ia32 and x64 archs at the same time

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

Review URL: https://codereview.chromium.org/255183002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21176 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Arm64: Ensure that csp is always aligned to 16 byte values even if jssp is not.

Even although the Arm64 specification specifies that csp
only needs to be aligned to 16 bytes if it is dereferenced, some implementations show poor performance if csp is every set to a non-aligned value.  This CL ensures that csp is always aligned to 16 byte values on these platforms and adds checks to ensure this in debug mode.

Also makes the following change:
 - Enable CPU support for arm64 to enable probing of cpu implementer and cpu part.
 - Add ALWAYS_ALIGN_CSP CpuFeature for Arm64 and set it based on runtime probing of the cpu implementer.
 - Rename PrepareForPush and PrepareForPop to PushPreamble and PopPostamble and move PopPostable after the pop.
 -

R=jacob.bramley@arm.com, ulan@chromium.org

Review URL: https://codereview.chromium.org/264773004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21177 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Revert "Prevent liveedit on or under generators with open activations"

Seems to crash some tests on buildbots.

TBR=ishell@chromium.org
CC=wingo@igalia.com,yangguo@chromium.org
BUG=

Review URL: https://codereview.chromium.org/273433002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21178 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Arm64: Fix check errors on Arm64 debug after r21177.

r21177 added extra AssertStackConsistency() checks which
increased code size on debug and caused the assembler buffer
to be too large.  Increased some of these buffers to
compensate.

Also, ProfileEntryHoolStub could use the wrong number of
instructions for kProfileEntryHookCallSize depending upon
whether debug code was being emitted or ALWAYS_ALIGN_CSP was
enabled.  Fixed this by taking ALWAYS_ALIGN_CSP into account
and ensuring that no debug code is emitted during
MaybeCallEntryHook().

TBR=ulan@chromium.org

Review URL: https://codereview.chromium.org/263213008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21179 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: Fix for 3303 MultithreadedParallelIsolates has a race condition.

Port r21165 (50673b25)

Original commit message:
The fix is to make the code aging sequence hang off the isolate.

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/264823004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21180 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix invalid ASSERT() in HasStableMapValue().

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/267363002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21183 ce2b1a6d-e550-0410-aec6-3dcde31c8c00