Viewing file:  popcount_1_run.c (1.11 KB) -rw-r--r--
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/* { dg-do run { target aarch64_sve_hw } } */
/* { dg-options "-O2 -ftree-vectorize" } */
#include "popcount_1.c"
extern void abort (void) __attribute__ ((noreturn));
unsigned int data[] = {
0x11111100, 6,
0xe0e0f0f0, 14,
0x9900aab3, 13,
0x00040003, 3,
0x000e000c, 5,
0x22227777, 16,
0x12341234, 10,
0x0, 0
};
int __attribute__ ((optimize (1)))
main (void)
{
unsigned int count = sizeof (data) / sizeof (data[0]) / 2;
uint32_t in32[count];
unsigned int out32[count];
for (unsigned int i = 0; i < count; ++i)
{
in32[i] = data[i * 2];
asm volatile ("" ::: "memory");
}
popcount_32 (out32, in32, count);
for (unsigned int i = 0; i < count; ++i)
if (out32[i] != data[i * 2 + 1])
abort ();
count /= 2;
uint64_t in64[count];
unsigned int out64[count];
for (unsigned int i = 0; i < count; ++i)
{
in64[i] = ((uint64_t) data[i * 4] << 32) | data[i * 4 + 2];
asm volatile ("" ::: "memory");
}
popcount_64 (out64, in64, count);
for (unsigned int i = 0; i < count; ++i)
if (out64[i] != data[i * 4 + 1] + data[i * 4 + 3])
abort ();
return 0;
}
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