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From: "deller at gmx dot de" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/102162] Byte-wise access optimized away at -O1 and above Date: Thu, 02 Sep 2021 14:00:56 +0000 [thread overview] Message-ID: <bug-102162-4-0MVjEc3tlZ@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-102162-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102162 --- Comment #31 from deller at gmx dot de --- Richard suggested that adding a compiler optimization barrier (__asm__ ("" : "+r" (__pptr))) might fix the problem. I tested the attached patch and it works nicely.
next prev parent reply other threads:[~2021-09-02 14:00 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-09-01 16:52 [Bug tree-optimization/102162] New: " danglin at gcc dot gnu.org 2021-09-01 18:52 ` [Bug tree-optimization/102162] " danglin at gcc dot gnu.org 2021-09-01 20:14 ` arnd at linaro dot org 2021-09-01 20:52 ` deller at gmx dot de 2021-09-01 20:56 ` dave.anglin at bell dot net 2021-09-01 21:08 ` dave.anglin at bell dot net 2021-09-01 21:15 ` deller at gmx dot de 2021-09-01 21:19 ` dave.anglin at bell dot net 2021-09-01 21:25 ` deller at gmx dot de 2021-09-01 21:29 ` deller at gmx dot de 2021-09-01 21:48 ` pinskia at gcc dot gnu.org 2021-09-01 21:51 ` [Bug middle-end/102162] " pinskia at gcc dot gnu.org 2021-09-01 21:52 ` pinskia at gcc dot gnu.org 2021-09-01 22:35 ` dave.anglin at bell dot net 2021-09-01 22:46 ` dave.anglin at bell dot net 2021-09-01 22:56 ` pinskia at gcc dot gnu.org 2021-09-01 23:19 ` pinskia at gcc dot gnu.org 2021-09-01 23:21 ` pinskia at gcc dot gnu.org 2021-09-01 23:29 ` pinskia at gcc dot gnu.org 2021-09-01 23:45 ` pinskia at gcc dot gnu.org 2021-09-01 23:55 ` pinskia at gcc dot gnu.org 2021-09-02 0:02 ` dave.anglin at bell dot net 2021-09-02 0:19 ` pinskia at gcc dot gnu.org 2021-09-02 0:23 ` pinskia at gcc dot gnu.org 2021-09-02 0:47 ` dave.anglin at bell dot net 2021-09-02 0:49 ` pinskia at gcc dot gnu.org 2021-09-02 3:33 ` pinskia at gcc dot gnu.org 2021-09-02 7:12 ` rguenth at gcc dot gnu.org 2021-09-02 9:01 ` arnd at linaro dot org 2021-09-02 9:41 ` deller at gmx dot de 2021-09-02 9:52 ` pinskia at gcc dot gnu.org 2021-09-02 13:59 ` deller at gmx dot de 2021-09-02 14:00 ` deller at gmx dot de [this message] 2021-09-03 23:25 ` deller at gmx dot de
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