On May 13, 2016 9:18:57 PM GMT+02:00, Cesar Philippidis <ce...@codesourcery.com> wrote: >The cse_sincos pass tries to optimize sequences such as > > sin (x); > cos (x); > >into a single call to sincos, or cexpi, when available. However, the >nvptx target has sin and cos instructions, albeit with some loss of >precision (so it's only enabled with -ffast-math). This patch teaches >cse_sincos pass to ignore sin, cos and cexpi instructions when the >target can expand those calls. This yields a 6x speedup in 314.omriq >from spec accel when running on Nvidia accelerators. > >Is this OK for trunk?
Isn't there an optab for sincos? ISTR x87 handles this pass just fine and also can do sin and cos. Richard. >Cesar
