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/* Fun with builtin functions */
#include <stdio.h>
int main(int argc, char ** argv)
{
unsigned int x = 0x12345678;
unsigned int y = 0xDEADBEEF;
unsigned long long xx = 0x1234567812345678ULL;
unsigned long long yy = 0x1234567800000000ULL;
unsigned long long zz = 0x123456789ABCDEF0ULL;
unsigned z;
double a = 3.14159;
double b = 2.718;
double c = 1.414;
unsigned short s = 0x1234;
signed int u = 1234567;
signed int v = -9999;
printf("bswap(%x) = %x\n", x, __builtin_bswap(x));
printf("bswap16(%x) = %x\n", s, __builtin_bswap16(s));
printf("bswap64(%llx) = %llx\n", zz, __builtin_bswap64(zz));
printf("clz(%x) = %d\n", x, __builtin_clz(x));
printf("clzll(%llx) = %d\n", (unsigned long long) x, __builtin_clzll(x));
printf("clzll(%llx) = %d\n", xx, __builtin_clzll(xx));
printf("cls(%d) = %d\n", u, __builtin_cls(u));
printf("cls(%d) = %d\n", v, __builtin_cls(v));
printf("clsll(%lld) = %d\n", (signed long long) u, __builtin_clsll(u));
printf("clsll(%lld) = %d\n", (signed long long) v, __builtin_clsll(v));
printf("fsqrt(%f) = %f\n", a, __builtin_fsqrt(a));
printf("fmadd(%f, %f, %f) = %f\n", a, b, c, __builtin_fmadd(a, b, c));
printf("fmsub(%f, %f, %f) = %f\n", a, b, c, __builtin_fmsub(a, b, c));
printf("fnmadd(%f, %f, %f) = %f\n", a, b, c, __builtin_fnmadd(a, b, c));
printf("fnmsub(%f, %f, %f) = %f\n", a, b, c, __builtin_fnmsub(a, b, c));
/* Make sure that ignoring the result of a builtin
doesn't cause an internal error */
(void) __builtin_bswap(x);
(void) __builtin_fsqrt(a);
return 0;
}
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