/* { dg-require-effective-target vect_float } */ #include #include "tree-vect.h" #define N 320 #define M 1024 float in[N+M]; float out[N]; /* Outer-loop vectorization. */ __attribute__ ((noinline)) void foo (){ int i,j; float diff; for (i = 0; i < N; i++) { diff = 0; for (j = 0; j < M; j+=4) { diff += in[j+i]; } out[i]=diff; } } int main (void) { check_vect (); int i, j; float diff; for (i = 0; i < N; i++) in[i] = i; foo (); for (i = 0; i < N; i++) { diff = 0; for (j = 0; j < M; j+=4) { diff += in[j+i]; } if (out[i] != diff) abort (); } return 0; } /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */