[Bug rtl-optimization/110791] [12/13/14 Regression] arm: Wrong code with -Os -march=armv8.1-m.main (maybe fmodulo-sched related)

2024-03-07 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110791 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P4 CC|

[Bug rtl-optimization/110791] [12/13/14 Regression] arm: Wrong code with -Os -march=armv8.1-m.main

2023-07-24 Thread acoplan at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110791 Alex Coplan changed: What|Removed |Added Keywords|needs-bisection | --- Comment #5 from Alex Coplan ---

[Bug rtl-optimization/110791] [12/13/14 Regression] arm: Wrong code with -Os -march=armv8.1-m.main

2023-07-24 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110791 Richard Biener changed: What|Removed |Added Target Milestone|--- |12.4 Keywords|

[Bug rtl-optimization/110791] [12/13/14 Regression] arm: Wrong code with -Os -march=armv8.1-m.main

2023-07-24 Thread wilco at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110791 Wilco changed: What|Removed |Added CC||wilco at gcc dot gnu.org --- Comment #4 from

[Bug rtl-optimization/110791] [12/13/14 Regression] arm: Wrong code with -Os -march=armv8.1-m.main

2023-07-24 Thread xry111 at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110791 Xi Ruoyao changed: What|Removed |Added Status|WAITING |UNCONFIRMED Ever confirmed|1

[Bug rtl-optimization/110791] [12/13/14 Regression] arm: Wrong code with -Os -march=armv8.1-m.main

2023-07-24 Thread acoplan at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110791 --- Comment #2 from Alex Coplan --- (In reply to Xi Ruoyao from comment #1) > Isn't this a UB? > > while (p >= path && *p != '/') > p--; > > This will cause p to become "::path[0] - 1". C23 6.5.6p9: In this case, with the input given

[Bug rtl-optimization/110791] [12/13/14 Regression] arm: Wrong code with -Os -march=armv8.1-m.main

2023-07-24 Thread xry111 at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110791 Xi Ruoyao changed: What|Removed |Added Status|UNCONFIRMED |WAITING CC|