https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36821
kargl at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |kargl at gcc dot gnu.org
--- Comment #7 from kargl at gcc dot gnu.org ---
(In reply to CVS Commits from comment #6)
> The master branch has been updated by hongtao Liu <liuho...@gcc.gnu.org>:
>
> https://gcc.gnu.org/g:e54375d85d4aa5889869c2672158083b2106b623
>
> commit r13-4891-ge54375d85d4aa5889869c2672158083b2106b623
> Author: liuhongt <hongtao....@intel.com>
> Date: Mon Dec 12 15:43:58 2022 +0800
>
> x86: Add a new option -mdaz-ftz to enable FTZ and DAZ flags in MXCSR.
>
> if (mdaz-ftz)
> link crtfastmath.o
> else if ((Ofast || ffast-math || funsafe-math-optimizations)
> && !shared && !mno-daz-ftz)
> link crtfastmath.o
> else
> Don't link crtfastmath.o
>
> gcc/ChangeLog:
>
> PR target/55522
> PR target/36821
> * config/i386/gnu-user-common.h (GNU_USER_TARGET_MATHFILE_SPEC):
> Link crtfastmath.o whenever -mdaz-ftz is specified. Don't link
> crtfastmath.o when -share or -mno-daz-ftz is specified.
> * config/i386/i386.opt (mdaz-ftz): New option.
> * doc/invoke.texi (x86 options): Document mftz-daz.
Does -mdaz-ftz actually activate all of -ffast-math and/or
-funsafe-math-optimizations?
