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From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/97873] Failure to optimize abs optimally (at least one completely useless instruction on x86) Date: Wed, 18 Nov 2020 18:23:33 +0000 [thread overview] Message-ID: <bug-97873-4-I5qlMXTSrP@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-97873-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97873 --- Comment #5 from Uroš Bizjak <ubizjak at gmail dot com> --- Created attachment 49588 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49588&action=edit Proposed patch Attached patch introduces relevant peephole2 pattern (and fixes some other issues).
next prev parent reply other threads:[~2020-11-18 18:23 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-17 10:05 [Bug tree-optimization/97873] New: Failure to optimize abs optimally (at least one " gabravier at gmail dot com 2020-11-17 15:30 ` [Bug target/97873] Failure to optimize abs optimally (at least one completely " rguenth at gcc dot gnu.org 2020-11-17 15:32 ` rguenth at gcc dot gnu.org 2020-11-18 5:16 ` crazylht at gmail dot com 2020-11-18 13:45 ` jakub at gcc dot gnu.org 2020-11-18 18:23 ` ubizjak at gmail dot com [this message] 2020-11-18 18:54 ` ubizjak at gmail dot com 2020-11-18 19:38 ` ubizjak at gmail dot com 2020-11-19 16:56 ` ubizjak at gmail dot com 2020-11-20 10:26 ` ubizjak at gmail dot com 2020-11-20 10:26 ` ubizjak at gmail dot com 2020-11-20 14:22 ` ubizjak at gmail dot com
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