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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/105431] ICE: SIGSEGV in powi_as_mults_1 (tree-ssa-math-opts.cc:1512) with -Ofast and __builtin_pow()
Date: Thu, 19 May 2022 14:03:36 +0000 [thread overview]
Message-ID: <bug-105431-4-0IsPvfG24W@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-105431-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105431
--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Richard Biener
<rguenth@gcc.gnu.org>:
https://gcc.gnu.org/g:16a2fcfe247364088ca9d6d058d870bdfa28b345
commit r11-10020-g16a2fcfe247364088ca9d6d058d870bdfa28b345
Author: Richard Biener <rguenther@suse.de>
Date: Fri Apr 29 08:45:48 2022 +0200
tree-optimization/105431 - another overflow in powi handling
This avoids undefined signed overflow when calling powi_as_mults_1.
2022-04-29 Richard Biener <rguenther@suse.de>
PR tree-optimization/105431
* tree-ssa-math-opts.c (powi_as_mults_1): Make n unsigned.
(powi_as_mults): Use absu_hwi.
(gimple_expand_builtin_powi): Remove now pointless n != -n
check.
(cherry picked from commit 44b09adb9bad99dd7e3017c5ecefed7f7c9a1590)
next prev parent reply other threads:[~2022-05-19 14:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-29 5:27 [Bug tree-optimization/105431] New: " zsojka at seznam dot cz
2022-04-29 6:45 ` [Bug tree-optimization/105431] " rguenth at gcc dot gnu.org
2022-04-29 6:45 ` rguenth at gcc dot gnu.org
2022-04-29 8:04 ` jakub at gcc dot gnu.org
2022-04-29 8:17 ` rguenther at suse dot de
2022-04-29 8:23 ` zsojka at seznam dot cz
2022-04-29 9:10 ` cvs-commit at gcc dot gnu.org
2022-04-29 9:11 ` rguenth at gcc dot gnu.org
2022-05-19 12:47 ` cvs-commit at gcc dot gnu.org
2022-05-19 14:03 ` cvs-commit at gcc dot gnu.org [this message]
2022-05-27 13:15 ` cvs-commit at gcc dot gnu.org
2022-05-27 13:16 ` rguenth at gcc dot gnu.org
2022-10-31 19:57 ` pinskia at gcc dot gnu.org
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