Reviewers: danno,
Message:
Another tight loops improvement in the register allocator that was sitting
on my
table for a while.
Description:
For the values defined in the loop and spilled outside sink spill store out
of
the loop down to loop exit whenever possible.
BUG=v8:2450
Please review this at https://codereview.chromium.org/11575030/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files:
M src/hydrogen.h
M src/hydrogen.cc
M src/lithium-allocator.h
M src/lithium-allocator.cc
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