On Thu, Nov 26, 2015 at 9:31 AM, Saraswati, Sujoy (OSTL) <sujoy.sarasw...@hpe.com> wrote: > Hi, > This patch removes flag_errno_math check for RINT, treating it similar to > nearbyint. > Regards, > Sujoy
Ok. Richard. > 2015-11-26 Sujoy Saraswati <sujoy.sarasw...@hpe.com> > > PR tree-optimization/61441 > * match.pd (f(x) -> x): Removed flag_errno_math check for RINT. > > Index: gcc/match.pd > =================================================================== > --- gcc/match.pd (revision 230851) > +++ gcc/match.pd (working copy) > @@ -2565,16 +2565,10 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT) > (fns (fns @0)) > (fns @0))) > /* f(x) -> x if x is integer valued and f does nothing for such values. */ > -(for fns (TRUNC FLOOR CEIL ROUND NEARBYINT) > +(for fns (TRUNC FLOOR CEIL ROUND NEARBYINT RINT) > (simplify > (fns integer_valued_real_p@0) > @0)) > -/* Same for rint. We have to check flag_errno_math because > - integer_valued_real_p accepts +Inf, -Inf and NaNs as integers. */ > -(if (!flag_errno_math) > - (simplify > - (RINT integer_valued_real_p@0) > - @0)) > > /* hypot(x,0) and hypot(0,x) -> abs(x). */ > (simplify
