?? vect-104.c
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/* { dg-require-effective-target vect_int } */#include <stdlib.h>#include <stdarg.h>#include "tree-vect.h"#define N 3struct extraction{ int a[N][N]; int b[N][N];};static int a[N][N] = {{1,2,3},{4,5,6},{7,8,9}};static int b[N][N] = {{17,24,7},{0,2,3},{4,31,82}};static int c[N][N] = {{1,2,3},{4,6,8},{8,9,9}};int main1 (int x) { int i,j; struct extraction *p; p = (struct extraction *) malloc (sizeof (struct extraction)); for (i = 0; i < N; i++) { for (j = 0; j < N; j++) { p->a[i][j] = a[i][j]; p->b[i][j] = b[i][j]; if (x == 135) abort (); /* to avoid vectorization */ } } /* Not vectorizable: distance = 1. */ for (i = 1; i < N; i++) { for (j = 0; j < N; j++) { *((int *)p + x + i + j) = *((int *)p + x + i + j + 1); } } /* check results: */ for (i = 0; i < N; i++) { for (j = 0; j < N; j++) { if (p->a[i][j] != c[i][j]) abort(); } } return 0;}int main (void){ check_vect (); return main1 (N);}/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" } } *//* { dg-final { scan-tree-dump-times "possible dependence between data-refs" 1 "vect" } } *//* { dg-final { cleanup-tree-dump "vect" } } */
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