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Some users found the -mdaz-ftz option to be very useful, so I've backported the commit from main trunk to GCC 12 release branch:
r12-9536-gefcca6481eab18 and GCC 11 release branch: r11-10764-g003f9ab9e909a7

I also hope to downstream the patch to next GTS12/DTS12 and Rel9 system compiler GCC 11 release.

Releted GCC mail thread in https://gcc.gnu.org/pipermail/gcc-patches/2023-May/617425.html

This should be part of the rebase to GCC 11.4.

Not plans to backport to GTS 12 gcc at this point.

Do we have GTS13 on Rel8?

(In reply to Hongtao Liu from comment #2)
> Do we have GTS13 on Rel8?

There will be GTS 13 on RHEL8, yes.

(In reply to Marek Polacek from comment #3)
> (In reply to Hongtao Liu from comment #2)
> > Do we have GTS13 on Rel8?
> 
> There will be GTS 13 on RHEL8, yes.

I see, Thanks!

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (gcc bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2023:6598