Re: [PATCH] middle-end/57245 - honor -frounding-math in real truncation

[Jakub Jelinek via Gcc-patches]

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