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From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/107404] [12/13 Regression] Wrong code with -O3 since r12-6416-g037cc0b4a6646cc8 Date: Thu, 03 Nov 2022 10:00:34 +0000 [thread overview] Message-ID: <bug-107404-4-UUaPqpuN33@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-107404-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107404 Uroš Bizjak <ubizjak at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|unassigned at gcc dot gnu.org |ubizjak at gmail dot com Status|NEW |ASSIGNED --- Comment #5 from Uroš Bizjak <ubizjak at gmail dot com> --- Patch in testing: --cut here-- diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 85567980aa3..436eabb691a 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -21800,7 +21800,8 @@ (define_peephole2 && REGNO (operands[2]) != REGNO (operands[1]) && peep2_reg_dead_p (2, operands[1]) && peep2_reg_dead_p (4, operands[2]) - && !reg_overlap_mentioned_p (operands[0], operands[3])" + && !reg_overlap_mentioned_p (operands[0], operands[3]) + && !reg_mentioned_p (operands[2], operands[6])" [(parallel [(set (match_dup 7) (match_dup 8)) (set (match_dup 1) (match_dup 9))]) (set (match_dup 0) (match_dup 3)) --cut here--
next prev parent reply other threads:[~2022-11-03 10:00 UTC|newest] Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-10-26 0:40 [Bug tree-optimization/107404] New: [12/13 Regression] Wrong code with -O3 vsevolod.livinskiy at gmail dot com 2022-10-26 0:59 ` [Bug tree-optimization/107404] " pinskia at gcc dot gnu.org 2022-10-26 1:07 ` pinskia at gcc dot gnu.org 2022-10-26 6:36 ` [Bug tree-optimization/107404] [12/13 Regression] Wrong code with -O3 since r12-6416-g037cc0b4a6646cc8 marxin at gcc dot gnu.org 2022-10-26 6:36 ` marxin at gcc dot gnu.org 2022-10-26 8:58 ` rsandifo at gcc dot gnu.org 2022-10-26 9:05 ` jakub at gcc dot gnu.org 2022-10-26 11:13 ` rsandifo at gcc dot gnu.org 2022-11-03 9:29 ` [Bug target/107404] " ubizjak at gmail dot com 2022-11-03 10:00 ` ubizjak at gmail dot com [this message] 2022-11-03 13:18 ` cvs-commit at gcc dot gnu.org 2022-11-03 16:13 ` cvs-commit at gcc dot gnu.org 2022-11-03 16:18 ` ubizjak at gmail dot com
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