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[Bug tree-optimization/61743] [4.10 Regression] Complete unroll is not happened for loops with short upper bound
- From: "ysrumyan at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 11 Aug 2014 15:02:16 +0000
- Subject: [Bug tree-optimization/61743] [4.10 Regression] Complete unroll is not happened for loops with short upper bound
- Auto-submitted: auto-generated
- References: <bug-61743-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61743
--- Comment #8 from Yuri Rumyantsev <ysrumyan at gmail dot com> ---
Richard,
I tested both proposed fixes and i turned out that the first one is preferable
since performance of benchmark came back. Note that hoisting 2nd vrp pass gave
us another 14% slowdown but I did not investigate it.
Should I tested your fix or you do it yourself?
Thanks.