Remove dead Space::ReserveSpace implementations.

R=ishell@chromium.org

Review URL: https://codereview.chromium.org/67813009

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17648 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Use %_IsMinusZero where applicable to replace hackery.

R=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/68453005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17649 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Reland "Implement Math.sin, cos and tan using table lookup and spline interpolation."

This relands r17594 with necessary fixes.

R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/70003004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17654 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix implementation of compare-minus-zero-and-branch on ia32 and x64.

R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/63573004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17657 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: Add initial hydrogenized NewStringAddStub.

Port r17635 (14180b1)

Original commit message:
The new stub is enabled via the --new-string-add flag, which is
disabled by default. For now, it's only a stripped down version
of the native StringAddStub, it's still work-in-progress.

BUG=v8:2990
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/69953005

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17664 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Remove dead FixedSpace class from the spaces hierarchy.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/66003003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17667 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Revert "linux: use CLOCK_{REALTIME,MONOTONIC}_COARSE"

This reverts r17642 (and follow-up fix r17644) for crashing the Chrome sandbox.

TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/69933005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17668 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix usage of EmitBranch in compare-minus-zero-and-branch.

R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/68933009

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17669 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: Introduce %_IsMinusZero.

Port r17639 (45b8a52)

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/61203006

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17671 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: Fix build after r17654.

FullCodeGenerator::EmitMathFloor(CallRuntime* expr) function is not used anywhere and breaks the build.

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/69293010

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17674 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/master'