math: move x87-family rint functions to C with inline asm

[musl] / src / math / i386 / lrintl.c

#include <math.h>

long lrintl(long double x)
{
        long r;
        __asm__ ("fistpl %0" : "=m"(r) : "t"(x) : "st");
        return r;
}