OSDN Git Service

Also apply the insn to prefetch ratio heuristic to loops with known trip count.
authorspop <spop@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 17 May 2010 22:34:03 +0000 (22:34 +0000)
committerMasaki Muranaka <monaka@monami-software.com>
Sun, 23 May 2010 05:11:13 +0000 (14:11 +0900)
commit21dd3d8ff3046cb4d1da2e3d19a04ae6399c97a7
treeaf6ea78ebdfbfe7ecd7207a0c7dba862de7c9905
parente2eb5a8a7d8362f37d0eb26d913df0e36a054609
Also apply the insn to prefetch ratio heuristic to loops with known trip count.

2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>

* doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
* tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
the insn to prefetch ratio heuristic to loops with known trip count.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159515 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/doc/invoke.texi
gcc/tree-ssa-loop-prefetch.c