Add support for Float32 representation changes.

R=bmeurer@chromium.org
BUG=v8:3589
LOG=n

Review URL: https://codereview.chromium.org/598963002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24180 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix windows build.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24181 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Whitespace change to test new chromium deps.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24182 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Whitespace change to test new chromium deps.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24183 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Whitespace change to test new chromium deps.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24184 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix bug in representation-change.h.

R=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/598933003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24185 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Test case of V8 failing to step into in some cases.

BUG=289497, v8:2888
R=yangguo@chromium.org, yurys@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/23441070

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24186 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Extend JSBuiltinReducer to cover Math.fround as well.

R=bmeurer@chromium.org
TEST=compiler-unittests/JSBuiltinReducerTest.MathFround

Review URL: https://codereview.chromium.org/594183004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24187 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[turbofan] ARM64 support for inverted logical ops

Select ARM64 inverted rhs instructions (bic, orn, eon) for cases where the rhs
input is inverted (using e/xor), and add some tests for this. Also, rename xor
to eor in the ARM64 backend.

BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/591383003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24188 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
X87: fixed branch distances.

port r24151.

original commit message:

  Forgot a few kNear occurences, only happens with --deopt-every-n-times.
  Death to manual jump distance calculation! :-P

BUG=
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/595263002

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24189 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
X87: Refactor bailout reasons and disable optimization in more cases.

port r24161.

original commit message:
  Refactor bailout reasons and disable optimization in more cases.

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/597913002

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24190 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Add tests for representation change of constants.

R=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/602713002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24191 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: [turbofan] Add backend support for float32.

Port r24179 (41b81c2)

LOG=n
BUG=v8:3589
TEST=compiler-unittests,cctest
R=paul.lind@imgtec.com

Review URL: https://codereview.chromium.org/601783002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24192 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: Minor fixes and additions needed for Turbofan.

These small changes can be landed indendently to avoid
cluttering up the initial turbofan CL.

BUG=
R=balazs.kilvady@imgtec.com

Review URL: https://codereview.chromium.org/602603005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24193 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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