[PATCH] Fix float range reduction problems (#14283)

[Andreas Schwab]

Adhemerval Zanella <azanella@linux.vnet.ibm.com> writes:

> You were faster than me, I was intending to send this along with some ulp updates and fixes
> for long double after bz14328 additional tests.

Sorry if I stepped on your toes, please go on.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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