When an array index (in an array access) is a simple "expression + constant", just embed the constant in the array access operation so that the full index expression is (potentially) no longer used and its live range can be much shorter.
This is effective in conjunction with array bounds check removal (otherwise the index is anyway used in the check).

Review URL: https://chromiumcodereview.appspot.com/10382055

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11596 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=jkummerow@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10413005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11593 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Disable optimization for functions that have scopes that cannot be reconstructed from the context chain.

BUG=v8:2071
TEST=mjsunit/regress/regress-2071.js

Review URL: https://chromiumcodereview.appspot.com/10388164

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11592 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=jkummerow@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10389203

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11591 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This is to make sure that inline functions are only exported by
libv8.so and not also by all clients. This is the v8 version of
https://chromiumcodereview.appspot.com/10386108/

This CL depends on http://codereview.chromium.org/10310156/ landing
first.

BUG=chromium:90078

Review URL: https://chromiumcodereview.appspot.com/10399036

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11590 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=2138
TEST=

Review URL: https://chromiumcodereview.appspot.com/10392158

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11589 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Remove %_SwapElements.  This inlined runtime contained an optimization that was dangerous in the presence of incremental compaction.  It also prevented QuickSort from array.js from being optimized by Crankshaft, so it is probably better to do without it.  We have high hopes that this will fix bug=117879.
Review URL: https://chromiumcodereview.appspot.com/10392150

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11588 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: https://chromiumcodereview.appspot.com/10387116

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11587 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Based on http://codereview.chromium.org/10310156

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10398057

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11586 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=ulan@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10332194

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11581 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=rossberg@chromium.org
BUG=128146
TEST=

Review URL: https://chromiumcodereview.appspot.com/10382196

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11580 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10389169

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11579 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

CL being reverted: https://chromiumcodereview.appspot.com/10238005

BUG=128146
TEST=regress-128146

Review URL: https://chromiumcodereview.appspot.com/10386166

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11578 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This causes map transitions to be treated weakly during incremental
marking and hence allows clearing of non-live transitions. The marking
code is now shared between incremental and non-incremental mode.

R=vegorov@chromium.org
BUG=v8:1465
TEST=cctest/test-heap/Regress1465

Review URL: https://chromiumcodereview.appspot.com/10310168

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11577 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

MIPS: Fix simplification of DoLoadNamedFieldPolymorphic.  This is a commit of https://chromiumcodereview.appspot.com/10391096/ for Akos Palfi

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11572 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=ulan@chromium.org
BUG=v8:1465

Review URL: https://chromiumcodereview.appspot.com/10388158

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11571 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=mstarzinger@chromium.org
BUG=chromium:128018
TEST=test/mjsunit/regress/regress-128018.js

Review URL: https://chromiumcodereview.appspot.com/10387130

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11570 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This zaps the contents of stale descriptor arrays and prototype
transition arrays before overwriting references to them. It should help
to discover accidental sharing early and is needed for the heap verifier
when map collection with incremental marking lands.

R=ulan@chromium.org
BUG=v8:1465

Review URL: https://chromiumcodereview.appspot.com/10383186

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11569 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This is useful for users who overwrite Error.prepareStackTrace but want to use
this functionality for formatting the individual frames.

BUG=NONE
TEST=NONE

Review URL: https://chromiumcodereview.appspot.com/10388140


Review URL: https://chromiumcodereview.appspot.com/10332172

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11568 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=ulan@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10389144

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11565 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=yangguo@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10383182

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11564 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10388140

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11563 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: https://chromiumcodereview.appspot.com/10387127

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11562 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=2126
TEST=

Review URL: https://chromiumcodereview.appspot.com/10381149
Patch from Geoffrey Garside <ggarside@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11561 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Add properties buffer, byteLength, and byteOffset to typed arrays.

R=yangguo@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10389140

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11560 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: https://chromiumcodereview.appspot.com/10310116
Patch from Lijuan Xiao <lijuan.xiao@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11559 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=yangguo@chromium.org
BUG=v8:1465
TEST=cctest/test-heap/Regress1465

Review URL: https://chromiumcodereview.appspot.com/10391136

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11558 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

(Still breaks a couple of WebKit tests.)

R=mstarzinger@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10381147

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11557 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This causes map transitions to be treated weakly during incremental
marking and hence allows clearing of non-live transitions. The marking
code is now shared between incremental and non-incremental mode.

R=vegorov@chromium.org
BUG=v8:1465
TEST=cctest/test-heap/Regress1465

Review URL: https://chromiumcodereview.appspot.com/10386046

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11556 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: https://chromiumcodereview.appspot.com/10332137

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11554 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

None of the values can in fact be negative, while object IDs
can have the highest bit set which lead to negative values appear
in the snapshot that front-end is unable to parse.

Review URL: https://chromiumcodereview.appspot.com/10356143

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11553 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=yangguo@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10389094

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11550 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TEST="make x64.release" works fine on MacOS

Review URL: https://chromiumcodereview.appspot.com/10310123

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11547 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: https://chromiumcodereview.appspot.com/10383128

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11546 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: https://chromiumcodereview.appspot.com/10386089

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11543 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This is now bug 2123.
TBR=mstarzinger
Review URL: https://chromiumcodereview.appspot.com/10391061

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11540 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

stub) unless there is a pointer map.  This does not fix the 3d-raytrace
regression, that will be in another change.
Review URL: https://chromiumcodereview.appspot.com/10382102

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11539 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: https://chromiumcodereview.appspot.com/10382106

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11538 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Supported commands:

- dd: to print memory region
- s: to search for a word in available memory regions
- list: to list available memory regions

R=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10378087

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11537 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=mstarzinger@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10383085

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11536 ce2b1a6d-e550-0410-aec6-3dcde31c8c00