X87: add part of backend support for X87.

port r24179.  we add the corresponding function implementation to pass
   the compilation.

original commit message:

   [turbofan] Add backend support for float32.

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/602003002

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24196 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix windows build after r24191.

TBR=titzer@chromium.org

Review URL: https://codereview.chromium.org/604693002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24197 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Improve memory usage in Turbofan.

BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/602643002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24198 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[x64] three operand imul supports first operand in memory location

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/596643003

Patch from Weiliang Lin <weiliang.lin@intel.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24199 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Only add samples to the idle time undershoot histogram if we actually did gc

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

Review URL: https://codereview.chromium.org/604543002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24200 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Use runtime.h to look for runtime function names.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/597943002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24201 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Move i18n-related runtime functions into a separate file.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/597943003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24202 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Switch v8 mirror in version script.

BUG=410721
LOG=n
TBR=tandrii@chromium.org

Review URL: https://codereview.chromium.org/601103003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24203 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Support large objects in the serializer/deserializer.

R=hpayer@chromium.org, mvstanton@chromium.org

Review URL: https://codereview.chromium.org/581223004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24204 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[turbofan] IA: support better left operand for commutative binops

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/591343002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24205 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Move union length computation out of loops.

R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/600713003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24206 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Make type fuzzer return non-standard bitsets too.
(Also speed up some types tests a little.)

R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/602553002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24207 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix argument check in RandomNumberGenerator::NextInt.

R=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/597993002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24208 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Give more precise types to some Math functions.

R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/602693002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24209 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix version increment.

TBR=tandrii@chromium.org
TEST=script_test.py

Review URL: https://codereview.chromium.org/600383003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24210 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Non-JSArrays must always have holey elements.

Drive-by cleanup: remove unused elements_kind_ field in CallNew.

BUG=chromium:416558
LOG=n
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/595333002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24211 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Add some tests about range types.
Add missing tests for context types.
Rearrange some other tests.
Make printing of constant types more useful.
Give counter-examples for properties that no longer hold.

R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/602613002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24212 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[Auto-roll] Bump up version to 3.29.89.0

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24213 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
convert disassembler to use OStream

R=svenpanne@chromium.org

BUG=

Review URL: https://codereview.chromium.org/598703003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24214 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Slightly adapt Math.fround test.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/606583002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24215 ce2b1a6d-e550-0410-aec6-3dcde31c8c00