1/* { dg-require-effective-target vect_float } */ 2 3#include <stdarg.h> 4#include "tree-vect.h" 5 6#define N 16 7 8float fa[N] __attribute__ ((__aligned__(16))); 9float fb[N+4] __attribute__ ((__aligned__(16))) = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0}; 10float fc[N] __attribute__ ((__aligned__(16))) = {0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 7.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5}; 11 12/* Like vect-80.c but the pointers are not annotated as restricted, 13 and therefore can't be antialiased. */ 14 15int 16main1 (float *pa, float *pb, float *pc) 17{ 18 int i; 19 float *q = pb + 4; 20 21 for (i = 0; i < N; i++) 22 { 23 pa[i] = q[i] * pc[i]; 24 } 25 26 for (i = 0; i < N; i++) 27 { 28 if (pa[i] != q[i] * pc[i]) 29 abort(); 30 } 31 32 return 0; 33} 34 35 36int main (void) 37{ 38 check_vect (); 39 40 main1 (fa, fb, fc); 41 42 return 0; 43} 44 45/* Currently the loops fail to vectorize due to aliasing problems. 46 If/when the aliasing problems are resolved, unalignment may 47 prevent vectorization on some targets. */ 48/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */ 49/* { dg-final { scan-tree-dump-times "can't determine dependence between" 1 "vect" } } */ 50/* { dg-final { cleanup-tree-dump "vect" } } */ 51