Mercurial > hg > CbC > CbC_gcc

comparison gcc/testsuite/gcc.dg/vect/vect-74-big-array.c @ 111:04ced10e8804

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
1 /* { dg-require-effective-target vect_float } */
2
3 #include <stdarg.h>
4 #include "tree-vect.h"
5
6 #define N 128
7
8 /* Check handling of accesses for which the "initial condition" -
9 the expression that represents the first location accessed - is
10 more involved than just an ssa_name. */
11
12 float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
13 float b[N+4] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0};
14 float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 7.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5};
15
16 volatile int y = 0;
17
18 __attribute__ ((noinline)) int
19 main1 (float *__restrict__ pa, float * __restrict__ pb, float * __restrict__ pc)
20 {
21 int i;
22 float *q = pb + 4;
23
24 for (i = 0; i < N; i++)
25 {
26 b[i] = i;
27 c[i] = 0.5 + i;
28 if (y)
29 abort ();
30 }
31 for (; i < N+4; i++)
32 {
33 b[i] = i;
34 if (y)
35 abort ();
36 }
37
38 for (i = 0; i < N; i++)
39 {
40 pa[i] = q[i] * pc[i];
41 }
42
43 for (i = 0; i < N; i++)
44 {
45 if (pa[i] != q[i] * pc[i])
46 abort ();
47 }
48
49 return 0;
50 }
51
52 int main (void)
53 {
54 check_vect ();
55
56 main1 (a, b, c);
57
58 return 0;
59 }
60
61 /* Xfail until handling restrict is refined. See pr29145. */
62 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
63 /* Uncomment when this testcase gets vectorized again:
64 dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 3 "vect" { target vect_no_align } }
65 dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail vect_no_align } }
66 dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail vect_no_align } }
67 */