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comparison gcc/testsuite/gcc.dg/vect/vect-outer-4c-big-array.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 /* { dg-do compile } */
2 /* { dg-require-effective-target vect_int } */
3
4 #define N 320
5 #define M 1024
6 unsigned short in[N+M];
7 unsigned short coeff[M];
8 unsigned int out[N];
9
10 /* Outer-loop vectorization. */
11
12 void
13 foo (){
14 int i,j;
15 unsigned short diff;
16
17 for (i = 0; i < N; i++) {
18 diff = 0;
19 for (j = 0; j < M; j+=8) {
20 diff += in[j+i]*coeff[j];
21 }
22 out[i]=diff;
23 }
24 }
25
26 /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { target { vect_short_mult && { ! vect_no_align } } } } } */
27 /* { dg-final { scan-tree-dump-times "zero step in outer loop." 1 "vect" } } */