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From: "krebbel at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/98973] New: [11 regression] Wrong code with gcse store motion pass Date: Fri, 05 Feb 2021 09:10:57 +0000 [thread overview] Message-ID: <bug-98973-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98973 Bug ID: 98973 Summary: [11 regression] Wrong code with gcse store motion pass Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: krebbel at gcc dot gnu.org Target Milestone: --- This test aborts when compiled on IBM Z with: gcc -O3 t.c -o t -fgcse-sm it succeeds with -O2 or without -fgcse-sm Tested with Commit ID: 072f20c5559 It works with GCC 10 branch: eb15f761bc7 long a; int b, c; short d; int e[] = { 1, 1, 0, 1, 1, 1, 1, 1, 1, 1 }; void f () { g: c = 9; for (; c >= 3; c--) { int h[5]; for (; d; d--) ; for (; a;) if (e[c]) b = h[4]; if (e[c]) continue; goto g; } } int main () { f (); if (c != 2) __builtin_abort(); }
next reply other threads:[~2021-02-05 9:10 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-02-05 9:10 krebbel at gcc dot gnu.org [this message] 2021-02-05 9:15 ` [Bug rtl-optimization/98973] " rguenth at gcc dot gnu.org 2021-02-05 10:02 ` krebbel at gcc dot gnu.org 2021-02-05 10:03 ` krebbel at gcc dot gnu.org 2021-02-05 10:04 ` krebbel at gcc dot gnu.org 2021-02-05 10:11 ` krebbel at gcc dot gnu.org 2021-02-05 11:54 ` rguenth at gcc dot gnu.org 2021-02-05 12:19 ` jakub at gcc dot gnu.org 2021-02-05 12:39 ` rguenth at gcc dot gnu.org 2021-02-26 12:51 ` rguenth at gcc dot gnu.org 2021-04-09 8:16 ` rguenth at gcc dot gnu.org 2021-04-12 13:16 ` ebotcazou at gcc dot gnu.org 2021-04-13 15:58 ` law at gcc dot gnu.org 2021-04-27 11:40 ` [Bug rtl-optimization/98973] [11/12 " jakub at gcc dot gnu.org 2021-07-28 7:05 ` rguenth at gcc dot gnu.org 2022-04-21 7:48 ` rguenth at gcc dot gnu.org 2023-05-29 10:04 ` [Bug rtl-optimization/98973] [11/12/13/14 " jakub at gcc dot gnu.org
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