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Author SHA1 Message Date
jacob.bramley@arm.com
6d9fcf1198 A64: Tidy up Push and Pop TODOs. 
This addresses several TODOs:
  - Push and Pop requests can be queued up so that arrays of Registers
    can be pushed efficiently, with just one PrepareForPush/Pop.
  - PushMultipleTimes now takes an Operand. This allows variable-length
    arguments arrays to be initialized, for example.
  - A NoUseRealAbortsScope has been added to Abort so that
    AssertStackConsistency can be called from PrepareForPush without
    introducing infinite recursion.

BUG=
R=rmcilroy@chromium.org, ulan@chromium.org

Review URL: https://codereview.chromium.org/170623002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19474 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 09:43:45 +00:00
baptiste.afsa@arm.com
78b2a18d02 A64: Remove early_exit unused mechanism in CompareMap. 
R=jochen@chromium.org, ulan@chromium.org

Review URL: https://codereview.chromium.org/169733003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19473 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 09:38:45 +00:00
baptiste.afsa@arm.com
53f2aefe08 A64: Replace a Cmp/Branch sequence by a conditional compare. 
R=jochen@chromium.org, ulan@chromium.org

Review URL: https://codereview.chromium.org/169403003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19472 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 09:37:07 +00:00
ulan@chromium.org
cf568ea0ed Do not emit receiver map in CheckPrototypes. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/170613002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19471 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 09:24:44 +00:00
jkummerow@chromium.org
21cb5ca20b Makefile: don't force -Dv8_optimized_debug=0 unnecessarily 
R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/170243003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19470 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 08:56:16 +00:00
marja@chromium.org
5b9465c2fc (Pre)Parser: Move ParseExpression and ParseArrayLiteral to ParserBase. 
Notes:
- The functions already did the same thing -> no changes in logic.
- One less glue function needed now.

R=ulan@chromium.org
BUG=v8:3126
LOG=N

Review URL: https://codereview.chromium.org/169853002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19469 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 08:56:11 +00:00
jkummerow@chromium.org
71be0fdb4e Fix zone_allocator to support comparison 
R=danno@chromium.org

Review URL: https://codereview.chromium.org/171713004

Patch from Daniel Clifford <danno@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19468 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 08:28:14 +00:00
machenbach@chromium.org
06a41fb259 Fast-forward version number on bleeding_edge to 3.25.0 
BUG=
R=danno@chromium.org

Review URL: https://codereview.chromium.org/170843008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19467 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 08:25:30 +00:00
machenbach@chromium.org
2846338595 Prepare push to trunk. Now working on version 3.24.41. 
R=jkummerow@chromium.org
TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/171783002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19464 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-19 01:05:18 +00:00
plind44@gmail.com
d4bcbb7089 MIPS: Second attempt at introducing a premonomorphic state in the call target caches. 
Port: r19457 (9d8d5f3)

Original commit message:
This time we don't go through the premonomorphic state for
the Array call target caches to avoid losing information from
allocation sites that aren't only used once, but where the
resulting array is used heavily.

Patch from Kasper Lund <kasperl@chromium.org>.

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/170903002

Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19463 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 19:29:56 +00:00
m.m.capewell@googlemail.com
59fdc54a20 A64: Fix WrapReceiver corrupting receiver register 
BUG=
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/170433006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19462 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 17:42:49 +00:00
alexandre.rames@arm.com
1f268f4b91 A64: Let the Simulator trap BLR XZR instructions. 
This instruction is used as a guard for the constant pool.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/170673003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19461 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 17:10:04 +00:00
jarin@chromium.org
58d0682f8d Add filler at the new space top when forcing scavenge. 
We only seem to force scavenge in our cctest test suite, so this is
expected to fix some flakiness in our tests, but it will not
improve stability of v8 itself.

R=hpayer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/167423004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19460 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 16:34:52 +00:00
plind44@gmail.com
ff0dbe3734 MIPS: Reland "Allow ICs to be generated for own global proxy." 
Port r19430 (70bb668)

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/170343004

Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19459 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 16:14:14 +00:00
alph@chromium.org
b4354d6d88 DevTools: Drop kSinTable dependency off the heap profiler ArrayBuffer backing_store test 
LOG=N
R=dslomov@chromium.org, yurys@chromium.org

Review URL: https://codereview.chromium.org/170253008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19458 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 15:57:44 +00:00
mvstanton@chromium.org
5224c3d0f0 Second attempt at introducing a premonomorphic state in the call 
target caches.

This time we don't go through the premonomorphic state for
the Array call target caches to avoid losing information from
allocation sites that aren't only used once, but where the
resulting array is used heavily.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/169683003

Patch from Kasper Lund <kasperl@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19457 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 15:33:34 +00:00
alexandre.rames@arm.com
d54305e12a A64: Minor code generation improvement: only load the object map if needed. 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/170503004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19456 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 15:14:23 +00:00
ulan@chromium.org
dafb11f8b3 Load target types and handlers before IC computation. 
BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/170563002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19455 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 15:12:58 +00:00
alph@chromium.org
8bdf7c2991 Fix compile on Windows 
TBR=yurys@chromium.org,dslomov@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/170543002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19454 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 14:21:09 +00:00
machenbach@chromium.org
77c278b94d Fix merge-to-branch options. 
BUG=
TBR=ulan@chromium.org

Review URL: https://codereview.chromium.org/170443003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19453 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 14:17:08 +00:00
machenbach@chromium.org
0f2c040c79 Fix merge-to-branch python port. 
This fixes a forgotten parameter when calling the script's toplevel method and adds the same usage message as in the bash script.

BUG=
TBR=ulan@chromium.org

Review URL: https://codereview.chromium.org/164373015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19450 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 14:05:59 +00:00
alph@chromium.org
901dee8d29 Fix compile error. 
LOG=N
TBR=yurys@chromium.org,dslomov@chromium.org

Review URL: https://codereview.chromium.org/166193005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19449 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 13:56:07 +00:00
machenbach@chromium.org
f15c700378 Fix merge-to-branch imports. 
BUG=
TBR=ulan@chromium.org

Review URL: https://codereview.chromium.org/170513002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19448 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 13:51:46 +00:00
jacob.bramley@arm.com
3cd9694919 A64: Fix compiler warning in r19444. 
BUG=
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/167463004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19447 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 13:51:24 +00:00
machenbach@chromium.org
6af4512ba7 Make merge-to-branch python port executable 
BUG=
TBR=ulan@chromium.org

Review URL: https://codereview.chromium.org/170493002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19446 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 13:47:56 +00:00
alph@chromium.org
1bace575f0 Allow self_size to be larger than 2GB in heap snapshots. 
LOG=N
R=dslomov@chromium.org, yurys@chromium.org

Review URL: https://codereview.chromium.org/166383002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19445 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 13:22:07 +00:00
alexandre.rames@arm.com
62116e2c12 A64: Let the MacroAssembler resolve branches to distant targets. 
Code generation would fail when assembling a branch to a label that is bound
outside the immediate range of the instruction. A64 is sensitive to this, as the
various branching instructions have different ranges, going down to +-32KB for
TBZ/TBNZ.  The MacroAssembler is augmented to handle branches to targets that
may exceed the immediate range of instructions.

When branching backward to a label exceeding the instruction range, the
MacroAssembler can simply tweak the generated code to use an unconditional
branch with a longer range. For example instead of
    B(cond, &label);
the MacroAssembler can generate:
    b(InvertCondition(cond), &done);
    b(&label);
    bind(&done);

Since the target is not known when the branch is emitted, forward branches uses
a different mechanism. The MacroAssembler keeps track of forward branches to
unbound labels. When the code generation approaches the end of the range of a
branch, a veneer is generated for the branch.

BUG=v8:3148
LOG=Y
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/169893002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19444 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 13:15:32 +00:00
machenbach@chromium.org
c2cd2083a3 Add merge-to-branch python port. 
- To ease a line-by-line review, the script is intentionally close to the former bash version
- Disambiguate the existing "-r" option for reviewer in the other scripts
- The options design will be refactored in a follow up CL

TEST=python -m unittest test_scripts.ScriptTest.testMergeToBranch
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/163183004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19443 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 13:09:14 +00:00
jacob.bramley@arm.com
847aad8059 Pass a BailoutReason to Runtime::kAbort. 
BUG=
R=rmcilroy@chromium.org, ulan@chromium.org

Review URL: https://codereview.chromium.org/168903004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19442 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 13:03:24 +00:00
dcarney@chromium.org
fb82addec0 templatize operand constructors 
R=jochen@chromium.org

BUG=

Review URL: https://codereview.chromium.org/170403003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19441 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 12:38:12 +00:00
verwaest@chromium.org
60c08a8bf2 Directly store the transition target on LookupResult in TransitionResult. 
BUG=chromium:343964
LOG=N
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/170343003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19440 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 12:19:32 +00:00
jochen@chromium.org
45452cc3db A64: Fix register usage in LCodeGen::ArgumentsLength 
The result should be just stored in a W register

BUG=none
R=m.m.capewell@googlemail.com, ulan@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/170363002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19439 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 11:56:55 +00:00
bmeurer@chromium.org
a7c82c49f4 Consistent use of const for LookupResult. 
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/170073003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19438 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 11:30:51 +00:00
yurys@chromium.org
c3291494d0 Create HandleScope before calling GetScriptLineNumber 
Otherwise we may crash.

BUG=None
LOG=N
R=alph@chromium.org, hpayer@chromium.org

Review URL: https://codereview.chromium.org/169773002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19437 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 11:30:38 +00:00
yangguo@chromium.org
83e7c38d86 Update LICENSE date. 
R=jkummerow@chromium.org, danno@chromium.org

Review URL: https://codereview.chromium.org/144663005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19436 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 10:50:22 +00:00
yangguo@chromium.org
be7b023a5c Harmony: implement Math.clz32 
R=dslomov@chromium.org, svenpanne@chromium.org
BUG=v8:2938
LOG=N

Review URL: https://codereview.chromium.org/169783002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19435 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 10:49:35 +00:00
svenpanne@chromium.org
dbce27047e Fixed and improved code for integral division. Fixed and extended tests. 
Arithmetic right shifting is *not* division in two's complement
representation, only in one's complement. So we convert to one's
complement, shift, and go back to two's complement. By permutating the
last steps, one can get efficient branch-free code. This insight comes
from the paleozoic era of computer science, see the paper from 1976:

   Guy Lewis Steele Jr.: "Arithmetic Shifting Considered Harmful"
   ftp://publications.ai.mit.edu/ai-publications/pdf/AIM-378.pdf

This results in better and more correct code than our previous
"neg/shift/neg" dance.

LOG=y
BUG=v8:3151
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/166793002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19434 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 10:45:27 +00:00
yangguo@chromium.org
9ffe004ae4 Harmony: implement Math.fround. 
R=jarin@chromium.org
BUG=v8:2938
LOG=N

Review URL: https://codereview.chromium.org/169513002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19433 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 10:43:06 +00:00
bmeurer@chromium.org
0ec3dc296a Revert "Handlify DescriptorArray::Merge()." 
This reverts commit r19410.

TBR=verwaest@chromium.org

Review URL: https://codereview.chromium.org/169113005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19432 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 10:38:25 +00:00
verwaest@chromium.org
80fd188657 Remove unnecessary checks in CompileStoreInterceptor on a64. 
BUG=
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/163963003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19431 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 10:14:11 +00:00
verwaest@chromium.org
2f9f49798a Reland "Allow ICs to be generated for own global proxy." 
BUG=
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/170343002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19430 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 10:10:06 +00:00
alexandre.rames@arm.com
544d445ea6 A64: Optimize a loop by using post-indexing. 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/169543002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19429 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 09:59:02 +00:00
alexandre.rames@arm.com
a4f0abe55b A64: Cleaning of Builtins::Generate_FunctionCall. 
This is mostly register renaming, and a minor optimization merging two TBZ into
one TST and BNE.

R=jochen@chromium.org

Review URL: https://codereview.chromium.org/166833002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19428 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 09:44:43 +00:00
jkummerow@chromium.org
9699ca6b71 Make tools/bash-completion.sh robust against arbitrary CWD 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/168983006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19427 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 09:12:11 +00:00
jochen@chromium.org
0213f7acb4 A64: Update DoAllocate() to use a W register for the size 
Inputs should always be 32bit

BUG=none
R=m.m.capewell@googlemail.com, ulan@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/167123004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19426 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 08:59:06 +00:00
jochen@chromium.org
4058894c50 Also compile A64 for quickcheck target 
We don't run tests yet because even in release mode, this will take a
considerable amount of time.

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

Review URL: https://codereview.chromium.org/169303006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19425 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 08:53:51 +00:00
jkummerow@chromium.org
e0842a75b9 Update v8heapconst.py 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/170263002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19424 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 08:50:19 +00:00
danno@chromium.org
438db990a0 Revert r19409: "Allow ICs to be generated for own global proxy." 
Causing Layout test crashes

TBR=verwaest@chromium.org

Review URL: https://codereview.chromium.org/170253002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19423 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-18 08:34:56 +00:00
palfia@homejinni.com
e97f597201 MIPS: Remove arch specific api callback generate functions. 
Port r19406 (4eab88a)

BUG=
R=gergely@homejinni.com

Review URL: https://codereview.chromium.org/169243003

Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19421 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-17 20:37:29 +00:00
danno@chromium.org
000878d995 A64: fix cctest/test-code-stubs-a64/ConvertDToI. 
R=danno@google.com

Review URL: https://codereview.chromium.org/169863002

Patch from Ulan Degenbaev <ulan@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19420 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-02-17 17:37:55 +00:00