[Bug target/102224] [12 regession] wrong code for `x * copysign(1.0, x)`

2021-09-06 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102224 --- Comment #4 from Andrew Pinski --- There was just a recent patch which touched this in the x86 backend.

[Bug target/102224] [12 regession] wrong code for `x * copysign(1.0, x)`

2021-09-06 Thread gabravier at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102224 --- Comment #5 from Gabriel Ravier --- Actually it seems to me like this is a GCC 9 regression, ever since this pattern exists: GCC 9, 10 and 11 emit the exact same faulty code.