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/* { dg-do run } */
/* { dg-options "-O3" } */
/* { dg-require-effective-target lp64 } */
/* { dg-require-effective-target ppc_cpu_supports_hw } */
#define NO_WARN_X86_INTRINSICS 1
#include "bmi2-check.h"
__attribute__((noinline))
unsigned long long
calc_mul_u32 (unsigned volatile a, unsigned b)
{
unsigned long long res = 0;
int i;
for (i = 0; i < b; ++i)
res += a;
return res;
}
__attribute__((noinline))
unsigned long long
gen_mulx (unsigned a, unsigned b)
{
unsigned long long res;
res = (unsigned long long)a * b;
return res;
}
static void
bmi2_test ()
{
unsigned i;
unsigned a = 0xce7ace0;
unsigned b = 0xfacefff;
unsigned long long res, res_ref;
for (i = 0; i < 5; ++i) {
a = a * (i + 1);
b = b / (i + 1);
res_ref = calc_mul_u32 (a, b);
res = gen_mulx (a, b);
if (res != res_ref)
abort();
}
}
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