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* [Bug tree-optimization/102636] New: wrong code at -O1 on x86_64-linux-gnu @ 2021-10-07 9:17 zhendong.su at inf dot ethz.ch 2021-10-07 9:47 ` [Bug tree-optimization/102636] [12 Regression] wrong code at -O1 on x86_64-linux-gnu since r12-3136 jakub at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: zhendong.su at inf dot ethz.ch @ 2021-10-07 9:17 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102636 Bug ID: 102636 Summary: wrong code at -O1 on x86_64-linux-gnu Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zhendong.su at inf dot ethz.ch Target Milestone: --- [591] % gcctk -v Using built-in specs. COLLECT_GCC=gcctk COLLECT_LTO_WRAPPER=/local/suz-local/software/local/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-trunk/configure --disable-bootstrap --prefix=/local/suz-local/software/local/gcc-trunk --enable-languages=c,c++ --disable-werror --enable-multilib --with-system-zlib Thread model: posix Supported LTO compression algorithms: zlib gcc version 12.0.0 20211007 (experimental) [master r12-4219-g6496ae5c965] (GCC) [592] % [592] % gcctk -O0 small.c; ./a.out [593] % gcctk -Os small.c; ./a.out [594] % gcctk -O2 small.c; ./a.out [595] % gcctk -O3 small.c; ./a.out [596] % [596] % gcctk -O1 small.c; ./a.out Aborted [597] % [597] % cat small.c unsigned a; int main() { unsigned b = 1; for (; b < 4; b++) { a = (a ^ 2000000000) * -b; if (b > a) { __builtin_abort (); } a = 3000000000; } return 0; } ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/102636] [12 Regression] wrong code at -O1 on x86_64-linux-gnu since r12-3136 2021-10-07 9:17 [Bug tree-optimization/102636] New: wrong code at -O1 on x86_64-linux-gnu zhendong.su at inf dot ethz.ch @ 2021-10-07 9:47 ` jakub at gcc dot gnu.org 2021-10-07 10:20 ` pinskia at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: jakub at gcc dot gnu.org @ 2021-10-07 9:47 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102636 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |guojiufu at gcc dot gnu.org, | |jakub at gcc dot gnu.org Target Milestone|--- |12.0 Version|unknown |12.0 Ever confirmed|0 |1 Priority|P3 |P1 Last reconfirmed| |2021-10-07 Status|UNCONFIRMED |NEW Summary|wrong code at -O1 on |[12 Regression] wrong code |x86_64-linux-gnu |at -O1 on x86_64-linux-gnu | |since r12-3136 --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Started with r12-3136-g3673dcf6d6baeb67bb70ff03d4cb3f92beed0075 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/102636] [12 Regression] wrong code at -O1 on x86_64-linux-gnu since r12-3136 2021-10-07 9:17 [Bug tree-optimization/102636] New: wrong code at -O1 on x86_64-linux-gnu zhendong.su at inf dot ethz.ch 2021-10-07 9:47 ` [Bug tree-optimization/102636] [12 Regression] wrong code at -O1 on x86_64-linux-gnu since r12-3136 jakub at gcc dot gnu.org @ 2021-10-07 10:20 ` pinskia at gcc dot gnu.org 2022-01-24 10:43 ` rguenth at gcc dot gnu.org 2022-01-24 12:48 ` rguenth at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu.org @ 2021-10-07 10:20 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102636 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Depends on| |102131 --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I almost want to say this is a dup of bug 102131. Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102131 [Bug 102131] [12 Regression] wrong code at -O1 and above on x86_64-linux-gnu since r12-3136 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/102636] [12 Regression] wrong code at -O1 on x86_64-linux-gnu since r12-3136 2021-10-07 9:17 [Bug tree-optimization/102636] New: wrong code at -O1 on x86_64-linux-gnu zhendong.su at inf dot ethz.ch 2021-10-07 9:47 ` [Bug tree-optimization/102636] [12 Regression] wrong code at -O1 on x86_64-linux-gnu since r12-3136 jakub at gcc dot gnu.org 2021-10-07 10:20 ` pinskia at gcc dot gnu.org @ 2022-01-24 10:43 ` rguenth at gcc dot gnu.org 2022-01-24 12:48 ` rguenth at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu.org @ 2022-01-24 10:43 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102636 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |DUPLICATE --- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- dup *** This bug has been marked as a duplicate of bug 102131 *** ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/102636] [12 Regression] wrong code at -O1 on x86_64-linux-gnu since r12-3136 2021-10-07 9:17 [Bug tree-optimization/102636] New: wrong code at -O1 on x86_64-linux-gnu zhendong.su at inf dot ethz.ch ` (2 preceding siblings ...) 2022-01-24 10:43 ` rguenth at gcc dot gnu.org @ 2022-01-24 12:48 ` rguenth at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu.org @ 2022-01-24 12:48 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102636 Bug 102636 depends on bug 102131, which changed state. Bug 102131 Summary: [12 Regression] wrong code at -O1 and above on x86_64-linux-gnu since r12-3136 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102131 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2022-01-24 12:48 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2021-10-07 9:17 [Bug tree-optimization/102636] New: wrong code at -O1 on x86_64-linux-gnu zhendong.su at inf dot ethz.ch 2021-10-07 9:47 ` [Bug tree-optimization/102636] [12 Regression] wrong code at -O1 on x86_64-linux-gnu since r12-3136 jakub at gcc dot gnu.org 2021-10-07 10:20 ` pinskia at gcc dot gnu.org 2022-01-24 10:43 ` rguenth at gcc dot gnu.org 2022-01-24 12:48 ` rguenth at gcc dot gnu.org
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