|
131
|
1 /* PR rtl-optimization/83424 */
|
|
|
2 /* { dg-do run { target int128 } } */
|
|
|
3 /* { dg-options "-O -fno-tree-ccp -fno-tree-coalesce-vars" } */
|
|
|
4
|
|
|
5 typedef unsigned char u8;
|
|
|
6 typedef unsigned int u32;
|
|
|
7 typedef unsigned __int128 u128;
|
|
|
8
|
|
|
9 u32 a, c;
|
|
|
10 u8 b;
|
|
|
11
|
|
|
12 static u128 __attribute__ ((noinline, noclone))
|
|
|
13 foo (u128 p)
|
|
|
14 {
|
|
|
15 u8 x = ~b;
|
|
|
16 p &= c;
|
|
|
17 x *= -p;
|
|
|
18 x &= a == 0;
|
|
|
19 x >>= 1;
|
|
|
20 return p + x;
|
|
|
21 }
|
|
|
22
|
|
|
23 int
|
|
|
24 main (void)
|
|
|
25 {
|
|
|
26 u128 x = foo (0);
|
|
|
27 if (x != 0)
|
|
|
28 __builtin_abort ();
|
|
|
29 return 0;
|
|
|
30 }
|
