Viewing file:  bb-slp-8.c (1.05 KB) -rw-r--r--
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/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 16
unsigned int out[N];
unsigned int in[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
__attribute__ ((noinline)) int
main1 (unsigned int x, unsigned int y, unsigned int *pin, unsigned int *pout)
{
int i;
unsigned int a0, a1, a2, a3;
/* pin and pout may alias. But since all the loads are before the first
store the basic block is vectorizable. */
a0 = *pin++ + 23;
a1 = *pin++ + 142;
a2 = *pin++ + 2;
a3 = *pin++ + 31;
*pout++ = a0 * x;
*pout++ = a1 * y;
*pout++ = a2 * x;
*pout++ = a3 * y;
if (i)
__asm__ volatile ("" : : : "memory");
/* Check results. */
if (out[0] != (in[0] + 23) * x
|| out[1] != (in[1] + 142) * y
|| out[2] != (in[2] + 2) * x
|| out[3] != (in[3] + 31) * y)
abort ();
return 0;
}
int main (void)
{
check_vect ();
main1 (2, 3, &in[0], &out[0]);
return 0;
}
/* { dg-final { scan-tree-dump-times "optimized: basic block" 1 "slp2" { target vect_hw_misalign } } } */
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