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/* { dg-do run { target { bmi2 } } } */
/* { dg-options "-mbmi2 -O2" } */
#include <x86intrin.h>
#include "bmi2-check.h"
__attribute__((noinline))
unsigned
calc_pext_u32 (unsigned a, unsigned mask)
{
unsigned res = 0;
int i, k = 0;
for (i = 0; i < 32; ++i)
if (mask & (1 << i)) {
res |= ((a & (1 << i)) >> i) << k;
++k;
}
return res;
}
static void
bmi2_test ()
{
unsigned i;
unsigned src = 0xce7acc;
unsigned res, res_ref;
for (i = 0; i < 5; ++i) {
src = src * (i + 1);
res_ref = calc_pext_u32 (src, ~(i * 3));
res = _pext_u32 (src, ~(i * 3));
if (res != res_ref)
abort();
}
}
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