[PATCH 0/3] ARM with only 32-bit floats do not have fast 64-bit FMA

[Joseph Myers]

On Wed, 2 Sep 2020, Sebastian Huber wrote:

> https://sourceware.org/git/?p=glibc.git;a=blob;f=math/s_fma.c;h=4d73af4f65d511594b2395d032a135721c578484;hb=HEAD

No glibc configurations use that; they all use either a hardware 
instruction, an implementation based on sticky rounding as described by 
Boldo and Melquiond, or, in the absence of hardware exceptions and 
rounding modes, a soft-fp implementation.

-- 
Joseph S. Myers
joseph@codesourcery.com