/* { dg-require-effective-target vect_int } */ #include #include "tree-vect.h" #define N 32 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 u, t, s, x, y, z, w; for (i = 0; i < N; i++) { u = ptr->b - ptr->a; t = ptr->d - ptr->c; res[i].c = u + t; s = ptr->a + ptr->g; x = ptr->b + ptr->d; res[i].a = s + x; res[i].d = u + t; s = ptr->h - ptr->a; x = ptr->d - ptr->c; res[i].b = s + x; res[i].f = ptr->f + ptr->h; res[i].e = ptr->b + ptr->e; res[i].h = ptr->d - ptr->g; res[i].g = u + t; ptr++; } /* check results: */ for (i = 0; i < N; i++) { if (res[i].c != arr[i].b - arr[i].a + arr[i].d - arr[i].c || res[i].a != arr[i].a + arr[i].g + arr[i].b + arr[i].d || res[i].d != arr[i].b - arr[i].a + arr[i].d - arr[i].c || res[i].b != arr[i].h - arr[i].a + arr[i].d - arr[i].c || res[i].f != arr[i].f + arr[i].h || res[i].e != arr[i].b + arr[i].e || res[i].h != arr[i].d - arr[i].g || res[i].g != arr[i].b - arr[i].a + arr[i].d - 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; arr[i].f = i + 5; arr[i].g = i + 3; arr[i].h = 67; if (y) /* Avoid vectorization. */ abort (); } main1 (arr); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided8 } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */