MIPS: Improve code aging sequence.
authorpalfia@homejinni.com <palfia@homejinni.com@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Wed, 17 Jul 2013 23:57:32 +0000 (23:57 +0000)
committerpalfia@homejinni.com <palfia@homejinni.com@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Wed, 17 Jul 2013 23:57:32 +0000 (23:57 +0000)
commit4e0e41871a3996834a601486c3d1d8d6bb6528c1
tree5667962a316882bba76eedb8178e414df6727356
parent462f6be930d0cbec67f4713daeb71de23f112c5f
MIPS: Improve code aging sequence.

Port r15697 (61d56196)

Original commit message:
The code aging sequence contains a load which is unecessary for optimised
function. This has been replaced by a nop.

BUG=

Review URL: https://codereview.chromium.org/19683005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15733 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
src/mips/assembler-mips.h
src/mips/codegen-mips.cc
src/mips/full-codegen-mips.cc
src/mips/lithium-codegen-mips.cc