fma.c\arm\math\src - musl - musl - an implementation of the standard library for Linux-based systems

#include <math.h>
#if __ARM_FEATURE_FMA && __ARM_FP&8 && !__SOFTFP__
double fma(double x, double y, double z)
{
	__asm__ ("vfma.f64 %P0, %P1, %P2" : "+w"(z) : "w"(x), "w"(y));
	return z;
}
#else
#include "../fma.c"
#endif