github.com/afumu/libc@v0.0.6/musl/src/math/aarch64/fmaf.c (about)

     1  #include <math.h>
     2  
     3  float fmaf(float x, float y, float z)
     4  {
     5  	__asm__ ("fmadd %s0, %s1, %s2, %s3" : "=w"(x) : "w"(x), "w"(y), "w"(z));
     6  	return x;
     7  }