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[Bug tree-optimization/81611] [8 Regression] gcc un-learned loop / post-increment optimization
- From: "aoliva at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 26 Dec 2017 23:42:51 +0000
- Subject: [Bug tree-optimization/81611] [8 Regression] gcc un-learned loop / post-increment optimization
- Auto-submitted: auto-generated
- References: <bug-81611-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81611
--- Comment #5 from Alexandre Oliva <aoliva at gcc dot gnu.org> ---
Created attachment 42968
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42968&action=edit
partial candidate patch
Alas, although it restores good code for x86_64 and arm, it doesn't go as far
as enabling avr to use auto_inc (though auto_inc use is restored on arm).
Still looking...