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comparison gcc/testsuite/gcc.dg/vect/vect-alias-check-4.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
comparison
equal deleted inserted replaced
111:04ced10e8804 131:84e7813d76e9
1 /* { dg-do compile } */ 1 /* { dg-do compile } */
2 /* { dg-require-effective-target vect_int } */ 2 /* { dg-require-effective-target vect_int } */
3 /* { dg-additional-options "--param vect-max-version-for-alias-checks=0" } */ 3 /* { dg-additional-options "--param vect-max-version-for-alias-checks=0 -fopt-info-vec-all" } */
4 4
5 #define N 16 5 #define N 16
6 6
7 struct s1 { int a[N]; }; 7 struct s1 { int a[N]; };
8 struct s2 { struct s1 b; int c; }; 8 struct s2 { struct s1 b; int c; };
10 union u { struct s2 f; struct s3 g; }; 10 union u { struct s2 f; struct s3 g; };
11 11
12 /* We allow a and b to overlap arbitrarily. */ 12 /* We allow a and b to overlap arbitrarily. */
13 13
14 void 14 void
15 f1 (int a[][N], int b[][N]) 15 f1 (int a[][N], int b[][N]) /* { dg-message "vectorized 0 loops in function" } */
16 { 16 {
17 for (int i = 0; i < N; ++i) 17 for (int i = 0; i < N; ++i) /* { dg-missed "couldn't vectorize loop" } */
18 a[0][i] += b[0][i]; 18 a[0][i] += b[0][i];
19 /* { dg-message "will not create alias checks, as --param vect-max-version-for-alias-checks == 0" "" { target *-*-* } .-2 } */
19 } 20 }
20 21
21 void 22 void
22 f2 (union u *a, union u *b) 23 f2 (union u *a, union u *b) /* { dg-message "vectorized 0 loops in function" } */
23 { 24 {
24 for (int i = 0; i < N; ++i) 25 for (int i = 0; i < N; ++i) /* { dg-missed "couldn't vectorize loop" } */
25 a->f.b.a[i] += b->g.e.a[i]; 26 a->f.b.a[i] += b->g.e.a[i];
27 /* { dg-message "will not create alias checks, as --param vect-max-version-for-alias-checks == 0" "" { target *-*-* } .-2 } */
26 } 28 }
27 29
28 void 30 void
29 f3 (struct s1 *a, struct s1 *b) 31 f3 (struct s1 *a, struct s1 *b) /* { dg-message "vectorized 0 loops in function" } */
30 { 32 {
31 for (int i = 0; i < N - 1; ++i) 33 for (int i = 0; i < N - 1; ++i) /* { dg-missed "couldn't vectorize loop" } */
32 a->a[i + 1] += b->a[i]; 34 a->a[i + 1] += b->a[i]; /* { dg-missed "possible dependence between data-refs" } */
33 } 35 }
34 36
35 /* { dg-final { scan-tree-dump-not "LOOP VECTORIZED" "vect" } } */ 37 /* { dg-final { scan-tree-dump-not "LOOP VECTORIZED" "vect" } } */