1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
/* PR target/29776 */
/* PR tree-optimization/61725 */
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-vrp1" } */
/* { dg-final { scan-tree-dump-not "link_error" "vrp1"} } */
/* { dg-final { cleanup-tree-dump "vrp1" } } */
#define A(fn, arg, min, max) \
if (__builtin_##fn (arg) < min || __builtin_##fn (arg) > max) \
link_error ();
#define B(fn, min, max) \
A (fn, a, min, max) A (fn##l, b, min, max) A (fn##ll, c, min, max)
#define C(fn, min, sub) \
A (fn, a, min, ((int) sizeof (a) * __CHAR_BIT__ - sub)) \
A (fn##l, b, min, ((int) sizeof (b) * __CHAR_BIT__ - sub)) \
A (fn##ll, c, min, ((int) sizeof (c) * __CHAR_BIT__ - sub))
extern void link_error (void);
unsigned int d;
unsigned long e;
unsigned long long f;
void
foo (int a, long b, long long c)
{
C (ffs, 0, 0)
a &= 63; b &= 63; c &= 63;
B (ffs, 0, 6)
a++; b++; c++;
B (ffs, 1, 7)
a -= 2; b -= 2; c -= 2;
C (ffs, 0, 0)
a -= 63; b -= 63; c -= 63;
C (ffs, 1, 0)
}
|
