1 /* { dg-do run { target { bmi2 && { ia32 } } } } */
2 /* { dg-options "-mbmi2 -O2" } */
6 #include "bmi2-check.h"
8 __attribute__((noinline))
10 calc_mul_u32 (unsigned volatile a, unsigned b)
12 unsigned long long res = 0;
14 for (i = 0; i < b; ++i)
20 __attribute__((noinline))
21 unsigned calc_mulx_u32 (unsigned x, unsigned y, unsigned *res_h)
23 return (unsigned) _mulx_u32 (x, y, res_h);
30 unsigned a = 0xce7ace0;
31 unsigned b = 0xfacefff;
32 unsigned res_l, res_h;
33 unsigned long long res, res_ref;
35 for (i = 0; i < 5; ++i) {
39 res_ref = calc_mul_u32 (a, b);
40 res_l = calc_mulx_u32 (a, b, &res_h);
42 res = ((unsigned long long) res_h << 32) | res_l;