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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/113433] [12/13/14 Regression] Missed optimization for redundancy computation elimination Date: Wed, 17 Jan 2024 03:08:47 +0000 [thread overview] Message-ID: <bug-113433-4-FLG7YzECo8@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-113433-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113433 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |missed-optimization Ever confirmed|0 |1 Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2024-01-17 Assignee|unassigned at gcc dot gnu.org |pinskia at gcc dot gnu.org --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- But it is a similar issue, we are left with: _1 = 1 - y_7(D); _5 = y_7(D) + -1; _6 = _1 / _5; Which is not folded as being as we don't know that `1 - x` and `x + -1` are negative opposites.
next prev parent reply other threads:[~2024-01-17 3:08 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-01-17 2:55 [Bug tree-optimization/113433] New: " 652023330028 at smail dot nju.edu.cn 2024-01-17 3:08 ` pinskia at gcc dot gnu.org [this message] 2024-01-17 8:09 ` [Bug tree-optimization/113433] " rguenth at gcc dot gnu.org 2024-03-09 4:40 ` law at gcc dot gnu.org 2024-05-26 5:43 ` [Bug tree-optimization/113433] [12/13/14/15 " pinskia at gcc dot gnu.org 2024-05-26 5:43 ` pinskia at gcc dot gnu.org
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