PR middle-end/77357 - strlen of constant strings not folded
[official-gcc.git] / gcc / testsuite / gcc.dg / vect / bb-slp-26.c
blob91b6cacd4c59bbd8b422adcdfab35a4a9e5730fa
1 /* { dg-require-effective-target vect_int } */
3 #include <stdarg.h>
4 #include "tree-vect.h"
6 #define A 3
7 #define B 4
8 #define N 256
10 char src[N], dst[N];
12 void __attribute__((noinline,noclone))
13 foo (char * __restrict__ dst, char * __restrict__ src, int h, int stride)
15 int i;
16 h /= 16;
17 for (i = 0; i < h; i++)
19 dst[0] += A*src[0] + src[stride];
20 dst[1] += A*src[1] + src[1+stride];
21 dst[2] += A*src[2] + src[2+stride];
22 dst[3] += A*src[3] + src[3+stride];
23 dst[4] += A*src[4] + src[4+stride];
24 dst[5] += A*src[5] + src[5+stride];
25 dst[6] += A*src[6] + src[6+stride];
26 dst[7] += A*src[7] + src[7+stride];
27 dst += 8;
28 src += 8;
29 asm volatile ("" ::: "memory");
34 int main (void)
36 int i;
38 check_vect ();
40 for (i = 0; i < N; i++)
42 dst[i] = 0;
43 src[i] = i/8;
46 foo (dst, src, N, 8);
48 for (i = 0; i < N/2; i++)
50 if (dst[i] != A * src[i] + src[i+8])
51 abort ();
54 return 0;
57 /* { dg-final { scan-tree-dump-times "basic block vectorized" 1 "slp1" { target { vect64 && vect_hw_misalign } } } } */