/* { dg-require-effective-target vect_int } */ #include #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 "basic block vectorized" 1 "slp2" { target vect_hw_misalign } } } */ /* { dg-final { cleanup-tree-dump "slp2" } } */