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[Bug tree-optimization/80155] [7 regression] Performance regression with code hoisting enabled
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 23 Mar 2017 09:02:35 +0000
- Subject: [Bug tree-optimization/80155] [7 regression] Performance regression with code hoisting enabled
- Auto-submitted: auto-generated
- References: <bug-80155-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80155
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 41031
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41031&action=edit
second patch candidate
Second candidate, instead of inhibiting PHI insertions this limits use of them
during elimination. This should allow existing 2nd level opportunities to
continue to be handled.