[Bug target/63408] GCC emits incorrect FMA instruction on Cortex-M4 target

[itay at phobotic dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63408

--- Comment #2 from Itay Perl <itay at phobotic dot com> ---
Yes, I am certain.

1. Replacing the minus sign with a plus sign results in the same code
(including the constant)

2.  

    >>> struct.unpack('I', struct.pack('f', 100))[0]
    1120403456