float fma(float a, float b, float c) {
 asm("mul.fma	%0,%2,%3" : "=f" (a) : "0" (a), "f" (b), "f" (c));
 return a;
}
main(){
 float a=2.0;
 float b=3.0;
 float c=4.0;
 a=fma(a,b,c);/*a=a*b+c=10.0*/
 printf("%f\n", a);
}