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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/109907] Missed optimization for bit extraction (uses shift instead of single bit-test)
Date: Fri, 26 May 2023 23:34:10 +0000	[thread overview]
Message-ID: <bug-109907-4-ECVsV0Ydte@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-109907-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109907

--- Comment #25 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 55175
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55175&action=edit
Patch which fixes `signed < 0`

This patch improves comment #20 .

  parent reply	other threads:[~2023-05-26 23:34 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-19 10:10 [Bug middle-end/109907] New: [avr] " gjl at gcc dot gnu.org
2023-05-19 14:14 ` [Bug middle-end/109907] " pinskia at gcc dot gnu.org
2023-05-19 15:42 ` [Bug middle-end/109907] " pinskia at gcc dot gnu.org
2023-05-19 15:45 ` pinskia at gcc dot gnu.org
2023-05-19 20:03 ` pinskia at gcc dot gnu.org
2023-05-19 20:12 ` pinskia at gcc dot gnu.org
2023-05-19 20:41 ` gjl at gcc dot gnu.org
2023-05-19 20:55 ` pinskia at gcc dot gnu.org
2023-05-19 20:59 ` gjl at gcc dot gnu.org
2023-05-20  0:46 ` pinskia at gcc dot gnu.org
2023-05-20  5:09 ` pinskia at gcc dot gnu.org
2023-05-20  7:36 ` gjl at gcc dot gnu.org
2023-05-20  7:50 ` gjl at gcc dot gnu.org
2023-05-20 22:23 ` pinskia at gcc dot gnu.org
2023-05-20 22:40 ` pinskia at gcc dot gnu.org
2023-05-21  5:15 ` pinskia at gcc dot gnu.org
2023-05-21  5:36 ` pinskia at gcc dot gnu.org
2023-05-21  9:09 ` gjl at gcc dot gnu.org
2023-05-21  9:55 ` gjl at gcc dot gnu.org
2023-05-23  9:58 ` gjl at gcc dot gnu.org
2023-05-26  8:49 ` gjl at gcc dot gnu.org
2023-05-26 11:14 ` gjl at gcc dot gnu.org
2023-05-26 15:21 ` pinskia at gcc dot gnu.org
2023-05-26 16:08 ` gjl at gcc dot gnu.org
2023-05-26 23:11 ` pinskia at gcc dot gnu.org
2023-05-26 23:34 ` pinskia at gcc dot gnu.org [this message]
2023-05-26 23:49 ` pinskia at gcc dot gnu.org
2023-05-27  0:36 ` pinskia at gcc dot gnu.org
2023-05-27  4:02 ` pinskia at gcc dot gnu.org
2023-05-27 20:09 ` pinskia at gcc dot gnu.org
2023-06-11  9:22 ` cvs-commit at gcc dot gnu.org
2023-06-11  9:26 ` gjl at gcc dot gnu.org

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