[Bug c/94889] Negate function not getting optimised to bitwise not

2020-04-30 Thread gabravier at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94889 --- Comment #4 from Gabriel Ravier --- Investigated it a bit. It looks like with `-mavx2` the pcom pass decides to vectorize the loop, and it then later gets mowed down into a `~`.

[Bug c/94889] Negate function not getting optimised to bitwise not

2020-04-30 Thread satanichiya at waifu dot club
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94889 --- Comment #3 from Gooby --- Meant to say NOT, excuse me

[Bug c/94889] Negate function not getting optimised to bitwise not

2020-04-30 Thread satanichiya at waifu dot club
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94889 --- Comment #2 from Gooby --- Meant to say NOT, excuse me