math: fix two fma issues (only affects non-nearest rounding mode, x86)
[musl] / arch / x86_64 /
drwxr-xr-x   ..
-rw-r--r-- 2696 atomic.h
drwxr-xr-x - bits
-rw-r--r-- 194 pthread_arch.h
-rw-r--r-- 1166 reloc.h
-rw-r--r-- 1827 syscall_arch.h