[Bug c/104937] wrong code with _Complex division and -fsanitize=undefined

2022-03-17 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104937 --- Comment #6 from Jakub Jelinek --- What we could for _Complex int just use the standard (a + b*i) / (c + d*i) = (a*c + b*d) / (c*c + d*d) + ((b*c - a*d) / (c*c + d*d))*i which would be 6 multiplications and 2 divisions instead of the current

[Bug c/104937] wrong code with _Complex division and -fsanitize=undefined

2022-03-16 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104937 Richard Biener changed: What|Removed |Added Component|sanitizer |c --- Comment #5 from Richard Biener