MIPS: math-emu: Optimise qNaN handling in `ieee754sp_fdp'
MIPS: math-emu: Optimise qNaN handling in `ieee754sp_fdp'

Rewrite qNaN handling in `ieee754sp_fdp' using the `ieee754_class_nan'
helper recently added, removing the external call to `ieee754sp_isnan'
and reducing the size of code by 16 instructions or 64 bytes.

Signed-off-by: Maciej W. Rozycki <78f3a3d9d6e4d907a7d12e475d0a751d6b7e256b@linux-mips.org>
Cc: 562397917b9a8bf316569a848858b12fb417723f@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9692/
Signed-off-by: Ralf Baechle <92f48d309cda194c8eda36aa8f9ae28c488fa208@linux-mips.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs