1 #include <math.h> 2 fma(double x,double y,double z)3 double fma(double x, double y, double z) 4 { 5 __asm__ ("fmadd %0, %1, %2, %3" : "=d"(x) : "d"(x), "d"(y), "d"(z)); 6 return x; 7 } 8