musl-tcc/src/math/powerpc64/truncf.c

#include <math.h>

#ifdef _ARCH_PWR5X

float truncf(float x)
{
	__asm__ ("friz %0, %1" : "=f"(x) : "f"(x));
	return x;
}

#else

#include "../truncf.c"

#endif