On Thu, Oct 28, 2021 at 2:23 AM Jakub Jelinek via Gcc-patches <gcc-patches@gcc.gnu.org> wrote: > > On Thu, Oct 28, 2021 at 10:11:36AM +0200, Richard Biener wrote: > > 2021-10-27 Richard Biener <rguent...@suse.de> > > > > PR middle-end/57245 > > * fold-const.c (fold_convert_const_real_from_real): Honor > > -frounding-math if the conversion is not exact. > > * simplify-rtx.c (simplify_const_unary_operation): Do not > > simplify FLOAT_TRUNCATE with sign dependent rounding. > > > > * gcc.dg/torture/fp-double-convert-float-1.c: New testcase. > > LGTM, thanks. > > Jakub >
This miscompiled libm in glibc: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103735 -- H.J.