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Author SHA1 Message Date
yangguo@chromium.org
219e763155 Expose the content of Maps and WeakMaps through MapMirror. 
BUG=v8:3291
LOG=N
R=aandrey@chromium.org, yangguo@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=22452

Review URL: https://codereview.chromium.org/398513005

Patch from Alexandra Mikhaylova <amikhaylova@google.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22490 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-21 08:07:04 +00:00
paul.lind@imgtec.com
c18a36fd96 MIPS64: Correct register use. 
TEST: mozilla/js1_5/Regress/regress-366601.
TEST: mozilla/ecma_3/ExecutionContexts/10.1.3-1

BUG=
R=paul.lind@imgtec.com

Review URL: https://codereview.chromium.org/403993002

Patch from Yu Yin <xwafish@gmail.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22489 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-21 03:09:19 +00:00
weiliang.lin@intel.com
02247b18c0 X87: Cache IC handlers on the prototype's map if possible 
port r22483

original commit message:

  Cache IC handlers on the prototype's map if possible

  instead of on the receiver's map. Lazily overwrite cached handler if it is
  identical to the handler that just missed.

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/391423003

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22488 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-21 02:57:42 +00:00
verwaest@chromium.org
907086597e Migrate to current map if deprecated in SetProperty 
BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/404963002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22485 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-19 12:00:20 +00:00
balazs.kilvady@imgtec.com
6e824b6003 MIPS: Cache IC handlers on the prototype's map if possible. 
Port r22483 (6dd09cb)

Original commit message:
Instead of on the receiver's map. Lazily overwrite cached handler if it is
identical to the handler that just missed.

BUG=
R=akos.palfi@imgtec.com

Review URL: https://codereview.chromium.org/404813002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22484 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 17:11:52 +00:00
jkummerow@chromium.org
1211f606ae Cache IC handlers on the prototype's map if possible 
instead of on the receiver's map. Lazily overwrite cached handler if it is
identical to the handler that just missed.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/400523007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22483 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 13:50:21 +00:00
verwaest@chromium.org
7e29b64e27 Reimplement SetProperty using the LookupIterator 
BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/392243002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22482 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 13:47:25 +00:00
mstarzinger@chromium.org
9d2609fe98 Reland "Make v8::TryCatch able to consume natively thrown exceptions." 
R=svenpanne@chromium.org
BUG=chromium:362388
TEST=cctest/test-api/TryCatchNative
LOG=N

Review URL: https://codereview.chromium.org/399473006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22481 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 13:28:12 +00:00
hpayer@chromium.org
56fcbc4d65 Always sweep precisely off. 
BUG=

Review URL: https://codereview.chromium.org/400663003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22478 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 12:51:21 +00:00
machenbach@chromium.org
d9fa8f77e8 Add automatic tag script. 
The script can be run in a cron job to automatically tag
lkgrs.

BUG=391261
LOG=n
TEST=tools/push-to-trunk/script_test.py
TEST=tools/push-to-trunk/auto_tag.py --dry_run
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/400693002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22477 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 12:16:14 +00:00
hpayer@chromium.org
4c136e0baa Always sweep precisely. 
BUG=
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/394023007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22476 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 12:04:48 +00:00
hpayer@chromium.org
cb52b98637 Wait for sweeper threads when verifying the heap. 
BUG=
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/396793005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22475 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 12:00:11 +00:00
dcarney@chromium.org
353ab8e1be Revert "Bootstrapper::DetachGlobal also need to unset global_proxy's constructor to remove all refs to context" 
This reverts r22460 for potentially breaking the mac webkit build.

TBR=titzer@chromium.org

BUG=

Review URL: https://codereview.chromium.org/401813002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22474 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 11:47:35 +00:00
rmcilroy@chromium.org
fb3128f3f8 Really fix the arm builder bots by copying android_webview_build out one scope in toolchain.gypi 
Move android_webview_build variable to toolchain.gypi to fix arm builders.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/398643006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22473 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 11:36:40 +00:00
hpayer@chromium.org
1afdbb396c Fix 64-bit compile. 
BUG=
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/397373006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22472 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 11:30:50 +00:00
hpayer@chromium.org
6067ca6a62 Concurrent/parallel precise sweeping. 
BUG=
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/398333002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22471 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 11:04:20 +00:00
rmcilroy@chromium.org
d09d81f977 Move android_webview_build variable to toolchain.gypi to fix arm builders. 
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/392033005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22470 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 10:54:33 +00:00
rmcilroy@chromium.org
9d5bd59204 Fix the android_webview build's gyp files after the changes in r22444. 
The android_webview get's it's compiler flags from the Android build system,
so we should not be setting these flags in gyp when building the webview.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/399413002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22467 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 10:17:01 +00:00
Jacob.Bramley@arm.com
38cb7830aa Unravel kHeapObjectTagSize from the stub cache. 
The stub cache used kHeapObjectTagSize to scale indices, but there
doesn't appear to be a direct need for this. Instead, the stub cache has
its own kCacheIndexShift quantity.

BUG=
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/401613003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22466 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 09:57:39 +00:00
ernstm@chromium.org
de8cac4450 Make GCTracer persistent. 
This is essentially https://codereview.chromium.org/390823003/. It turns
out that it's safe to use a persistent GCTracer instead
of creating and destroying GCTracers for each GC, because
Scavenge and Mark-Sweep steps never overlap, and the tracking of
incremental marking also happens separately for the two types of GC.
Tracking of incremental marking will be moved into the GCTracer in a
follow-up patch.

R=hpayer@chromium.org, mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/403543002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22465 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 08:55:40 +00:00
machenbach@chromium.org
c4bee92ff1 [Auto-roll] Bump up version to 3.28.29.0 
TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/400913003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22464 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 08:43:49 +00:00
jochen@chromium.org
4e94ae8ab4 Add histograms for idle notification and incremental marking steps 
BUG=381820
LOG=n
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/401793002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22463 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 08:25:41 +00:00
jochen@chromium.org
1fd566cb24 Fix compilation after r22461: removed now unused var 
BUG=none
LOG=n
TBR=danno@chromium.org

Review URL: https://codereview.chromium.org/400123002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22462 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 08:00:51 +00:00
danno@chromium.org
1d2a4b8333 Remove experimental flags that are now required 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/397253002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22461 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 07:17:21 +00:00
dcarney@chromium.org
c0849f8b5a Bootstrapper::DetachGlobal also need to unset global_proxy's constructor to remove all refs to context 
DetachGlobal detaches original context of a global proxy object.

Before this patch, the constructor JSFunction still carried a reference to the old context after |Bootstrapper::DetachGlobal| call.
This patch removes the reference by setting the constructor null.

TEST=http/tests/security/isolatedWorld w/ --enable-leak-detection
LOG=N
BUG=364377
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/397953009

Patch from Kouhei Ueno <kouhei@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22460 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 06:05:59 +00:00
weiliang.lin@intel.com
2bb3f96570 X87: StubCallInterfaceDescriptor takes a context register. 
port r22448

original commit message:
  StubCallInterfaceDescriptor and CallInterfaceDescriptor are unified under a base class InterfaceDescriptor.

  Handling of the context register had to be massaged to effect the unification. This will make it easier
  to call hydrogen code stubs directly from crankshaft.

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/399313005

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22459 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-18 03:15:48 +00:00
balazs.kilvady@imgtec.com
6f23f4fe3b MIPS: StubCallInterfaceDescriptor and CallInterfaceDescriptor are unified under a base class InterfaceDescriptor. 
Port r22448 (a9e0b0e)

Original commit message:
Handling of the context register had to be massaged to effect the unification. This will make it easier to call hydrogen code stubs directly from crankshaft.

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

Review URL: https://codereview.chromium.org/400743002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22456 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 18:24:59 +00:00
jochen@chromium.org
b019be29eb Fix v8 Windows GN build. 
The paths for some of the Windows-specific files was incorrect.

R=jochen@chromium.org

Review URL: https://codereview.chromium.org/402693002

Patch from Brett Wilson <brettw@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22455 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 17:39:54 +00:00
yangguo@chromium.org
e3d9037121 Revert "Expose the content of Maps and WeakMaps through MapMirror." 
This reverts r22452.

TBR=amikhaylova@google.com

Review URL: https://codereview.chromium.org/399963002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22454 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 16:43:52 +00:00
mstarzinger@chromium.org
fab1adddd9 Remove fuzz-natives blacklist entries that no longer exist. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/393313003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22453 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 15:13:46 +00:00
yangguo@chromium.org
4116944ced Expose the content of Maps and WeakMaps through MapMirror. 
BUG=v8:3291
LOG=N
R=aandrey@chromium.org, yangguo@chromium.org

Review URL: https://codereview.chromium.org/398513005

Patch from Alexandra Mikhaylova <amikhaylova@google.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22452 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 15:07:59 +00:00
yangguo@chromium.org
f61b67ce0b Limit stack size when testing stack overflow in JSON.stringify. 
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/397073004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22451 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 13:23:02 +00:00
ernstm@chromium.org
8451b97b8e Move node statistics from GCTracer to Heap. 
R=hpayer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/397953012

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22450 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 13:00:46 +00:00
machenbach@chromium.org
43c3390eb2 [Auto-roll] Bump up version to 3.28.27.0 
TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/399753004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22449 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 11:57:09 +00:00
mvstanton@chromium.org
54636ae4e2 StubCallInterfaceDescriptor and CallInterfaceDescriptor are unified under a base class InterfaceDescriptor. 
Handling of the context register had to be massaged to effect the unification. This will make it easier to call hydrogen code stubs directly from crankshaft.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/384403002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22448 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 11:50:04 +00:00
yangguo@chromium.org
f58318ef16 Change String.prototype.concat to be more like similar functions. 
This is just cosmetic: We usually avoid using %FunctionSetLength.

R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/400583002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22447 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 10:54:25 +00:00
rmcilroy@chromium.org
51a6b0fd9d Add back a static_cast<int32_t> to assembler-arm.cc to fix WebView build. 
The WebView Mac builder is having trouble with resolving set_at_offset with an
intptr_t argument to the correct overload. Add back the static_cast which
was present before r22293 to resolve this.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/398893003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22446 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 10:34:59 +00:00
rmcilroy@chromium.org
1b5848c210 Some fixes to avoid breakages when enabling out-of-line constant pools. 
Three fixes which are required to pass all the tests when  out-of-line constant
pools are enabled for Arm:

 - Invalidate embedded objects in optimized code when it is deoptimized such
   that the weak pointers in the constant pool array are cleared.  This prevents
   a CHECK(heap_->mark_compact_collector()->IsMarked(object)) error when a
   verifying weak pointers in a deoptimized code object's constant pool.
 - Modify LargeObjectSpace::Verify to allow constant pool arrays in the
   large object space.
 - Increase the 32bit stack size limit, since the constant pool pointer
   is now on every stack frame, causing the size of each stack frame to
   increase by one word, and causing deep-recursion-test to fail.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/385163005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22445 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 10:03:30 +00:00
rmcilroy@chromium.org
e6936f2145 Reland "Remove erroneous uses of CXX / CXX_target / CXX_host from gyp." 
The current gyp config tries to test whether the compiler is an arm / mips
compiler and whether it supports -m32 / -m64 based on a test within gyp.
Unfortunately CXX / CXX_target / CXX_host are no no longer set early enough
in gyp for this to work, and so all of these tests were actually being done
using "$(which g++)" rather than the appropriate CXX_target / CXX_host compiler.

This change removes these dynamic tests and instead bases the decisions on
knowledge of the host / target / v8_target architecture combination.  The
the -m32/-m64 flags are set based on host_cxx_is_biarch / target_cxx_is_biarch,
which are set to reasonable defaults of only ia32/x64 or clang compilers
being build for biarch support.  The host_cxx_is_biarch / target_cxx_is_biarch
variables can be overriden if required.

Original Review URL: https://codereview.chromium.org/382343003
TBR=jkummerow@chromium.org

BUG=384474
LOG=NO

Review URL: https://codereview.chromium.org/400573002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22444 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 09:56:58 +00:00
rodolph.perfetta@arm.com
56ec59bd26 ARM64: always restore regexp register cache after a C function call. 
BUG=v8:3444
TEST=mjsunit/regress/regress-regexp-nocase.js
LOG=N
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/392403002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22443 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 09:55:48 +00:00
jochen@chromium.org
fe558594b9 Remove JSReceiver::GetPrototype and replace it with PrototypeIterator calls 
BUG=none
R=verwaest@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/390323002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22442 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 09:44:37 +00:00
verwaest@chromium.org
e36f1dde46 Remove hole handling since holes cannot occur in JSObjects anymore. 
The only case in which the hole can still occur, is in a pre-allocated PropertyCell in a GlobalObject. In that case it indicates that the property is absent.

BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/389353002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22441 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 09:06:49 +00:00
yangguo@chromium.org
ce5e9b0261 Go to slow path when JSON.stringifying the global proxy. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/396993004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22440 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 08:35:36 +00:00
ernstm@chromium.org
509faa8545 v8: GCTracer clean-up part 1. 
- Split GCTracer::~GCTracer into printing functions and update of variables
tracked on Heap.
- Clean-up recording of time, object size and memory size at the beginning and
end of GC.
- Consistently use enum notation in ScopeId.
- Disallow copy and assign for Scope and GCTracer.
- Remove unused stats on GCTracer.

R=hpayer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/396893004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22439 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 07:50:55 +00:00
yangguo@chromium.org
ee9ed36179 Mark test-mark-compact/Promotion as PASS, FAIL on arm64. 
BUG=v8:3446
LOG=N
TBR=hpayer@chromium.org

Review URL: https://codereview.chromium.org/400533002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22438 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-17 06:51:20 +00:00
yangguo@chromium.org
59de1ffbe5 Fix ninja build. 
TBR=jochen@chromium.org

Review URL: https://codereview.chromium.org/397463004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22435 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-16 14:59:49 +00:00
yangguo@chromium.org
d1333142e2 Ship ES6 Math functions. 
R=rossberg@chromium.org
BUG=v8:2938
LOG=Y

Review URL: https://codereview.chromium.org/394833002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22434 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-16 14:00:15 +00:00
yangguo@chromium.org
fea1d2b145 Fix PagedSpace size accounting. 
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/392163003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22433 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-16 13:36:46 +00:00
ernstm@chromium.org
f3c83ebe0e v8: fix tracking of longest_step in IncrementalMarking. 
longest_step is only output at the end of a mark-compact. We shouldn't
reset it after a Scavenge.

R=hpayer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/395153003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22432 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-16 13:19:31 +00:00
vogelheim@chromium.org
a42612b4a7 Change ScriptCompiler::CompileOptions to allow for two 'cache' modes 
(parser or code) and to be explicit about cache consumption or production
(rather than making presence of cached_data imply one or the other.)

Also add a --cache flag to d8, to allow testing the functionality.

-----------------------------
API change

Reason: Currently, V8 supports a 'parser cache' for repeatedly executing the same script. We'd like to add a 2nd mode that would cache code, and would like to let the embedder decide which mode they chose (if any).

Note: Previously, the 'use cached data' property was implied by the presence of the cached data itself. (That is, kNoCompileOptions and source->cached_data != NULL.) That is no longer sufficient, since the presence of data is no longer sufficient to determine /which kind/ of data is present.

Changes from old behaviour:

- If you previously didn't use caching, nothing changes.
Example:
  v8::CompileUnbound(isolate, source, kNoCompileOptions);

- If you previously used caching, it worked like this:

  - 1st run:
  v8::CompileUnbound(isolate, source, kProduceToCache);
  Then, source->cached_data would contain the
  data-to-be cached. This remains the same, except you
  need to tell V8 which type of data you want.
  v8::CompileUnbound(isolate, source, kProduceParserCache);

  - 2nd run:
  v8::CompileUnbound(isolate, source, kNoCompileOptions);
  with source->cached_data set to the data you received in
  the first run. This will now ignore the cached data, and
  you need to explicitly tell V8 to use it:
  v8::CompileUnbound(isolate, source, kConsumeParserCache);
-----------------------------

BUG=
R=marja@chromium.org, yangguo@chromium.org

Review URL: https://codereview.chromium.org/389573006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22431 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-07-16 12:18:33 +00:00