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comparison gcc/testsuite/gcc.dg/attr-vector_size.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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131:84e7813d76e9 145:1830386684a0
1 /* PR middle-end/89797 - ICE on a vector_size (1LU << 33) int variable
2 PR c/89798 - excessive vector_size silently accepted and truncated
3 { dg-do compile { target int32plus } }
4 { dg-options "-Wall -Wno-unused" } */
5
6 #define ASSERT(e) _Static_assert (e, #e)
7 #define VEC(N) __attribute__ ((vector_size (N)))
8 #define POW2(N) (1LLU << N)
9 #define CAT(a, b) a ## b
10 #define CONCAT(a, b) CAT (a, b)
11
12 #define DEFVEC(storage, N) \
13 typedef VEC (POW2 (N)) char CONCAT (Vec, N); \
14 storage CONCAT (Vec, N) CONCAT (v, N); \
15 ASSERT (sizeof (CONCAT (Vec, N)) == POW2 (N)); \
16 ASSERT (sizeof (CONCAT (v, N)) == POW2 (N))
17
18 DEFVEC (extern, 27);
19 DEFVEC (extern, 28);
20 DEFVEC (extern, 29);
21 DEFVEC (extern, 30);
22
23 #if __SIZEOF_SIZE_T__ > 4
24
25 DEFVEC (extern, 31);
26 DEFVEC (extern, 32);
27 DEFVEC (extern, 33);
28 DEFVEC (extern, 34);
29 DEFVEC (extern, 60);
30 DEFVEC (extern, 61);
31 DEFVEC (extern, 62);
32
33 VEC (POW2 (63)) char v63; /* { dg-error "'vector_size' attribute argument value '9223372036854775808' exceeds 9223372036854775807" "LP64" { target lp64 } } */
34
35 #else
36
37 VEC (POW2 (31)) char v31; /* { dg-error "'vector_size' attribute argument value '2147483648' exceeds 2147483647" "ILP32" { target ilp32 } } */
38
39 VEC (POW2 (32)) char v32; /* { dg-error "'vector_size' attribute argument value '4294967296' exceeds 2147483647" "ILP32" { target ilp32 } } */
40
41 #endif
42
43 void test_local_scope (void)
44 {
45 DEFVEC (auto, 27);
46 DEFVEC (auto, 28);
47 DEFVEC (auto, 29);
48 DEFVEC (auto, 30);
49
50 #if __SIZEOF_SIZE_T__ > 4
51
52 DEFVEC (auto, 31);
53 DEFVEC (auto, 32);
54 DEFVEC (auto, 33);
55 DEFVEC (auto, 34);
56 DEFVEC (auto, 60);
57 DEFVEC (auto, 61);
58 DEFVEC (auto, 62);
59
60 VEC (POW2 (63)) char v63; /* { dg-error "'vector_size' attribute argument value '9223372036854775808' exceeds 9223372036854775807" "LP64" { target lp64 } } */
61
62 #else
63
64 VEC (POW2 (31)) char v31; /* { dg-error "'vector_size' attribute argument value '2147483648' exceeds 2147483647" "ILP32" { target ilp32 } } */
65
66 VEC (POW2 (32)) char v32; /* { dg-error "'vector_size' attribute argument value '4294967296' exceeds 2147483647" "ILP32" { target ilp32 } } */
67
68 #endif
69 }