pr16105.c

来自「用于进行gcc测试」· C语言 代码 · 共 23 行

/* { dg-do compile } */
/* { dg-require-effective-target vect_float } */

#define VECTOR_SIZE 512

extern void check(const float * __restrict__ v);

void square(const float * __restrict__ a,
	    float * __restrict__ out)
{
    unsigned int i;
    for (i = 0; i < VECTOR_SIZE; i++) {
	float ai = a[i];
	float a2 = ai * ai;
	out[i] = a2; 
    }
    check(out);
}

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
/*  { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 2 "vect" { target vect_no_align } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */