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comparison gcc/testsuite/c-c++-common/torture/pr87248.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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111:04ced10e8804 131:84e7813d76e9
1 /* PR middle-end/87248 */
2 /* { dg-do run } */
3
4 void
5 foo (signed char *p, int q)
6 {
7 *p = q & (-__SCHAR_MAX__ - 1) ? (-__SCHAR_MAX__ - 1) : 0;
8 }
9
10 int
11 bar (long long x)
12 {
13 return x & (-__INT_MAX__ - 1) ? (-__INT_MAX__ - 1) : 0;
14 }
15
16 int
17 main ()
18 {
19 #if __INT_MAX__ > 4 * __SCHAR_MAX__
20 signed char a[4];
21 foo (a, __SCHAR_MAX__ + 1U);
22 foo (a + 1, 2 * (__SCHAR_MAX__ + 1U));
23 foo (a + 2, -__INT_MAX__ - 1);
24 foo (a + 3, (__SCHAR_MAX__ + 1U) / 2);
25 if (a[0] != (-__SCHAR_MAX__ - 1) || a[1] != a[0] || a[2] != a[0] || a[3] != 0)
26 __builtin_abort ();
27 #endif
28 #if __LONG_LONG_MAX__ > 4 * __INT_MAX__
29 if (bar (__INT_MAX__ + 1LL) != (-__INT_MAX__ - 1)
30 || bar (2 * (__INT_MAX__ + 1LL)) != (-__INT_MAX__ - 1)
31 || bar (-__LONG_LONG_MAX__ - 1) != (-__INT_MAX__ - 1)
32 || bar ((__INT_MAX__ + 1LL) / 2) != 0)
33 __builtin_abort ();
34 #endif
35 return 0;
36 }