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Account for loop unrolling in the insn-to-prefetch ratio heuristic.
author
spop
<spop@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 7 May 2010 16:15:52 +0000
(16:15 +0000)
committer
Masaki Muranaka
<monaka@monami-software.com>
Sun, 23 May 2010 05:02:51 +0000
(14:02 +0900)
2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
* tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
Account for loop unrolling in the insn-to-prefetch ratio heuristic.
(loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
the unroll_factor.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159162
138bc75d
-0d04-0410-961f-
82ee72b054a4
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