Hi! On Sat, Sep 21, 2019 at 08:14:13AM +0200, Jakub Jelinek wrote: > 2019-09-21 Jakub Jelinek <ja...@redhat.com> > > PR tree-optimization/91734 > * generic-match-head.c: Include fold-const-call.h. > * match.pd (sqrt(x) cmp c): Check the boundary value and > in case inexact computation of c*c affects comparison of the boundary, > turn LT_EXPR into LE_EXPR, GE_EXPR into GT_EXPR, LE_EXPR into LT_EXPR > or GT_EXPR into GE_EXPR. Punt for sqrt comparisons against NaN and > for -frounding-math. For c2, try the next smaller or larger floating > point constant depending on comparison code and if it has the same > sqrt as c2, use it instead of c2. > > * gcc.dg/pr91734.c: New test.
I'd like to ping this patch ( https://gcc.gnu.org/ml/gcc-patches/2019-09/msg01281.html ). Thanks. Jakub
