[Bug tree-optimization/71842] Optimize FMA when some arguments are simple constants

2016-07-25 Thread joseph at codesourcery dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71842 --- Comment #2 from joseph at codesourcery dot com --- On Mon, 11 Jul 2016, glisse at gcc dot gnu.org wrote: > double f(double x, double y){ return fma(x, y, 0.); } Would require -fno-signed-zeroes to be valid to optimize to x*y. > double

[Bug tree-optimization/71842] Optimize FMA when some arguments are simple constants

2016-07-12 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71842 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|