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/* { dg-do compile } */
/* { dg-require-effective-target popcountl } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
#if __SIZEOF_LONG__ == 4
const unsigned long m1 = 0x55555555UL;
const unsigned long m2 = 0x33333333UL;
const unsigned long m4 = 0x0F0F0F0FUL;
const unsigned long h01 = 0x01010101UL;
const int shift = 24;
#else
const unsigned long m1 = 0x5555555555555555UL;
const unsigned long m2 = 0x3333333333333333UL;
const unsigned long m4 = 0x0f0f0f0f0f0f0f0fUL;
const unsigned long h01 = 0x0101010101010101UL;
const int shift = 56;
#endif
int popcount64c(unsigned long x)
{
x -= (x >> 1) & m1;
x = (x & m2) + ((x >> 2) & m2);
x = (x + (x >> 4)) & m4;
return (x * h01) >> shift;
}
/* { dg-final { scan-tree-dump-times "\.POPCOUNT" 1 "optimized" } } */
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