/* { dg-require-effective-target vect_int } */ #include #include "tree-vect.h" #define N 24 typedef struct { unsigned char a; unsigned char b; unsigned char c; unsigned char d; unsigned char e; unsigned char f; unsigned char g; unsigned char h; } s; volatile int y = 0; __attribute__ ((noinline)) int main1 (s *arr) { int i; s *ptr = arr; s res[N]; unsigned char x; for (i = 0; i < N; i++) { res[i].c = ptr->b + ptr->c; x = ptr->c + ptr->f; res[i].a = x + ptr->b; res[i].d = ptr->b + ptr->c; res[i].b = ptr->c; res[i].f = ptr->f + ptr->e; res[i].e = ptr->b + ptr->e; res[i].h = ptr->c; res[i].g = ptr->b + ptr->c; ptr++; } /* check results: */ for (i = 0; i < N; i++) { if (res[i].c != arr[i].b + arr[i].c || res[i].a != arr[i].c + arr[i].f + arr[i].b || res[i].d != arr[i].b + arr[i].c || res[i].b != arr[i].c || res[i].f != arr[i].f + arr[i].e || res[i].e != arr[i].b + arr[i].e || res[i].h != arr[i].c || res[i].g != arr[i].b + arr[i].c) abort (); } ptr = arr; /* Not vectorizable: gap in store. */ for (i = 0; i < N; i++) { res[i].a = ptr->b; res[i].b = ptr->c; ptr++; } /* Check results. */ for (i = 0; i < N; i++) { if (res[i].a != arr[i].b || res[i].b != arr[i].c) abort (); } } 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; arr[i].c = 17; arr[i].d = i+34; arr[i].e = i * 3 + 5; arr[i].f = i * 5; arr[i].g = i - 3; arr[i].h = 56; if (y) /* Avoid vectorization. */ abort (); } main1 (arr); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided8 } } } */