Viewing file:  clrsb_1_run.c (1.1 KB) -rw-r--r--
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/* { dg-do run { target aarch64_sve_hw } } */
/* { dg-options "-O2 -ftree-vectorize" } */
#include "clrsb_1.c"
extern void abort (void) __attribute__ ((noreturn));
unsigned int data[] = {
0xffffff80, 24,
0xffffffff, 31,
0x00000000, 31,
0x80000000, 0,
0x7fffffff, 0,
0x000003ff, 21,
0x1fffffff, 2,
0x0000ffff, 15,
0xffff0000, 15
};
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");
}
clrsb_32 (out32, in32, count);
for (unsigned int i = 0; i < count; ++i)
if (out32[i] != data[i * 2 + 1])
abort ();
uint64_t in64[count];
unsigned int out64[count];
for (unsigned int i = 0; i < count; ++i)
{
in64[i] = (uint64_t) data[i * 2] << 32;
asm volatile ("" ::: "memory");
}
clrsb_64 (out64, in64, count);
for (unsigned int i = 0; i < count; ++i)
if (out64[i] != (data[i * 2] ? data[i * 2 + 1] : 63))
abort ();
return 0;
}
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