Fix failure in unit tests

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/25665006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17083 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: Improve and simplify removal of unreachable code.

Port r17073 (ba68149)

Original commit message:
- Detect unreachable basic blocks of code either following an unconditional deopt or after a provably untaken branch of HBranch or HCompareObjectEqAndBranch instructions.
- Emit dummy uses in unreachable blocks during Hydrogen -> Lithium translation.

BUG=chromium:258519
R=mstarzinger@chromium.org, plind44@gmail.com

Review URL: https://codereview.chromium.org/25708004

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17084 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: Add support to load/store byte fields.

Port r17079 (0885ac2)

Original commit message:
This adds a new Byte representation and support for zero-extended
loads in HLoadNamedField and truncated stores in HStoreNamedField.

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/25460003

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17085 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Rename ComputeLoadStoreField to just handle ComputeStoreField.

R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/25683005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17086 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Cleanup map deprecation handling in the ICs

R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/25529002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17087 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Use PatchCache for call ICs.

R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/25464004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17088 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Don't use StubType to probe the code caches.
There is only one stub-type in the cache at all times. By ignoring the type up-front, we can in a later phase move cache probing before even computing the type.

BUG=
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/25520003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17089 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Avoid allocations in Object.observe access check tests

BUG=v8:2907
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/24999007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17090 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Inline some more compare operations.

BUG=
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/25009003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17091 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: Fix test262 failures and x64 compile failure.

Port r17082 (fc909df)

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/25560006

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17092 ce2b1a6d-e550-0410-aec6-3dcde31c8c00