Prepare push to trunk.  Now working on version 3.16.13.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/12084091

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@13572 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Base iDef update code.

Review URL: https://codereview.chromium.org/12079042

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@13575 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: Support slow-mode prototypes for load and call ICs.

Port r13571 (c37a2f5).

Original commit message:
Support slow-mode prototypes for load and call ICs.

This changes LoadNonExistent to handle negative lookups as well.

BUG=

Review URL: https://chromiumcodereview.appspot.com/12089098
Patch from Paul Lind <plind44@gmail.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@13576 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
ARM: Add comments to clarify conditionally executed code dealing with d16-d31

Review URL: https://codereview.chromium.org/12087132
Patch from Hans Wennborg <hans@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@13578 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge KeyedLoad and NamedLoad stub compiler code.

Review URL: https://chromiumcodereview.appspot.com/12094082

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@13579 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge commit 'e64026976b7c2eb6a0104710dddec0793f45eb5d' into mbleed
MIPS: Merge KeyedLoad and NamedLoad stub compiler code.

Port r13579 (e640269)