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comparison gcc/testsuite/gcc.c-torture/execute/pr85582-3.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 target/85582 */
2
3 #ifdef __SIZEOF_INT128__
4 typedef __int128 S;
5 typedef unsigned __int128 U;
6 #else
7 typedef long long S;
8 typedef unsigned long long U;
9 #endif
10
11 __attribute__((noipa)) U
12 f1 (U x, int y)
13 {
14 return x << (y & -2);
15 }
16
17 __attribute__((noipa)) S
18 f2 (S x, int y)
19 {
20 return x >> (y & -2);
21 }
22
23 __attribute__((noipa)) U
24 f3 (U x, int y)
25 {
26 return x >> (y & -2);
27 }
28
29 int
30 main ()
31 {
32 U a = (U) 1 << (sizeof (U) * __CHAR_BIT__ - 7);
33 if (f1 (a, 5) != ((U) 1 << (sizeof (S) * __CHAR_BIT__ - 3)))
34 __builtin_abort ();
35 S b = (U) 0x101 << (sizeof (S) * __CHAR_BIT__ / 2 - 7);
36 if (f1 (b, sizeof (S) * __CHAR_BIT__ / 2) != (U) 0x101 << (sizeof (S) * __CHAR_BIT__ - 7))
37 __builtin_abort ();
38 if (f1 (b, sizeof (S) * __CHAR_BIT__ / 2 + 2) != (U) 0x101 << (sizeof (S) * __CHAR_BIT__ - 5))
39 __builtin_abort ();
40 S c = (U) 1 << (sizeof (S) * __CHAR_BIT__ - 1);
41 if ((U) f2 (c, 5) != ((U) 0x1f << (sizeof (S) * __CHAR_BIT__ - 5)))
42 __builtin_abort ();
43 if ((U) f2 (c, sizeof (S) * __CHAR_BIT__ / 2) != ((U) -1 << (sizeof (S) * __CHAR_BIT__ / 2 - 1)))
44 __builtin_abort ();
45 if ((U) f2 (c, sizeof (S) * __CHAR_BIT__ / 2 + 2) != ((U) -1 << (sizeof (S) * __CHAR_BIT__ / 2 - 3)))
46 __builtin_abort ();
47 U d = (U) 1 << (sizeof (S) * __CHAR_BIT__ - 1);
48 if (f3 (c, 5) != ((U) 0x1 << (sizeof (S) * __CHAR_BIT__ - 5)))
49 __builtin_abort ();
50 if (f3 (c, sizeof (S) * __CHAR_BIT__ / 2) != ((U) 1 << (sizeof (S) * __CHAR_BIT__ / 2 - 1)))
51 __builtin_abort ();
52 if (f3 (c, sizeof (S) * __CHAR_BIT__ / 2 + 2) != ((U) 1 << (sizeof (S) * __CHAR_BIT__ / 2 - 3)))
53 __builtin_abort ();
54 return 0;
55 }