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comparison gcc/testsuite/gcc.dg/pr68835-2.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900 (2017-10-27)
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68:561a7518be6b 111:04ced10e8804
1 /* PR tree-optimization/68835 */
2 /* { dg-do run { target int128 } } */
3 /* { dg-options "-O2" } */
4
5 __attribute__((noinline, noclone)) unsigned __int128
6 foo (void)
7 {
8 unsigned __int128 x = (unsigned __int128) 0xffffffffffffffffULL;
9 struct { unsigned __int128 a : 65; } w;
10 w.a = x;
11 w.a += x;
12 return w.a;
13 }
14
15 int
16 main ()
17 {
18 unsigned __int128 x = foo ();
19 if ((unsigned long long) x != 0xfffffffffffffffeULL
20 || (unsigned long long) (x >> 64) != 1)
21 __builtin_abort ();
22 return 0;
23 }