/* { dg-require-effective-target vect_int } */ #include #include "tree-vect.h" #define N 64 typedef struct { unsigned char a; unsigned char b; } s; volatile int y = 0; __attribute__ ((noinline)) int main1 (s *arr) { s *ptr = arr; s res[N]; int i; for (i = 0; i < N; i++) { res[i].a = ptr->b; res[i].b = ptr->b; ptr++; } /* check results: */ for (i = 0; i < N; i++) { if (res[i].a != arr[i].b || res[i].b != arr[i].b) abort (); } ptr = arr; /* Not vectorizable: gap in store. */ for (i = 0; i < N; i++) { res[i].a = ptr->b; ptr++; } /* check results: */ for (i = 0; i < N; i++) { if (res[i].a != arr[i].b) abort (); } return 0; } int main (void) { int i; s arr[N]; check_vect (); for (i = 0; i < N; i++) { arr[i].a = i; arr[i].b = i * 2; if (y) /* Avoid vectorization. */ abort (); } main1 (arr); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided2 } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */