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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/107407] [12/13 Regression] Wrong code at -Os on x86_64-linux-gnu since r12-383-g32955416d8040b1f Date: Wed, 26 Oct 2022 08:03:29 +0000 [thread overview] Message-ID: <bug-107407-4-xxck7G5Cla@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-107407-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107407 Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Component|c |tree-optimization Last reconfirmed| |2022-10-26 Target Milestone|--- |13.0 Ever confirmed|0 |1 CC| |marxin at gcc dot gnu.org, | |rguenth at gcc dot gnu.org Summary|Wrong code at -Os on |[12/13 Regression] Wrong |x86_64-linux-gnu |code at -Os on | |x86_64-linux-gnu since | |r12-383-g32955416d8040b1f --- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> --- A bit reduced, started with r12-383-g32955416d8040b1f int *a; static int **b = &a; int c[4]; int d; int e(int); static int f(char, int); void g() { e((f(0, 0), 0)); } int e(int h) { *a = 0; } int f(char k, int j) { for (;;) { for (; k <= 3; k++) { *b = &c[k]; for (; d <= 1; d++) *a = 3; } break; } } int main() { int i; g(); if (c[0] != 3) __builtin_abort (); }
next prev parent reply other threads:[~2022-10-26 8:03 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-10-26 7:44 [Bug c/107407] New: Wrong code at -Os on x86_64-linux-gnu shaohua.li at inf dot ethz.ch 2022-10-26 8:03 ` marxin at gcc dot gnu.org [this message] 2022-10-26 8:03 ` [Bug tree-optimization/107407] [12/13 Regression] Wrong code at -Os on x86_64-linux-gnu since r12-383-g32955416d8040b1f marxin at gcc dot gnu.org 2022-10-26 17:00 ` pinskia at gcc dot gnu.org 2022-10-28 9:48 ` rguenth at gcc dot gnu.org 2022-10-28 13:03 ` rguenth at gcc dot gnu.org 2022-10-28 13:40 ` cvs-commit at gcc dot gnu.org 2022-10-28 13:43 ` [Bug tree-optimization/107407] [12 " rguenth at gcc dot gnu.org 2022-12-12 11:20 ` cvs-commit at gcc dot gnu.org 2022-12-12 11:21 ` rguenth at gcc dot gnu.org
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