[Bug c/100410] [10 regression] optimization bug with -O3 -fno-strict-aliasing

2021-05-04 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100410 Jakub Jelinek changed: What|Removed |Added Target Milestone|10.4|10.3

[Bug c/100410] [10 regression] optimization bug with -O3 -fno-strict-aliasing

2021-05-04 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100410 Jakub Jelinek changed: What|Removed |Added Keywords|needs-bisection | Resolution|---

[Bug c/100410] [10 regression] optimization bug with -O3 -fno-strict-aliasing

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100410 Richard Biener changed: What|Removed |Added Keywords||needs-bisection CC|

[Bug c/100410] [10 regression] optimization bug with -O3 -fno-strict-aliasing

2021-05-04 Thread chantry.xavier at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100410 --- Comment #2 from Xavier --- It looks like it's already fixed in 10.3 and 11.1 : https://godbolt.org/z/W98edbPEx Do you confirm the code is correct, and it was a bug of 10.1 and 10.2 only ?

[Bug c/100410] [10 regression] optimization bug with -O3 -fno-strict-aliasing

2021-05-04 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100410 --- Comment #1 from Andrew Pinski --- I think you need align(1) also and not just packed attribute.