[Bug tree-optimization/78071] -Os -ffast-math generates pow() for 1/(x*x)

2016-10-21 Thread colanderman at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78071 --- Comment #2 from Chris King --- Created attachment 39867 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39867&action=edit suboptimal output with -Os -ffast-math

[Bug tree-optimization/78071] -Os -ffast-math generates pow() for 1/(x*x)

2016-10-21 Thread colanderman at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78071 --- Comment #1 from Chris King --- Created attachment 39866 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39866&action=edit Expected output