blob: f19c575efb7927e20fa03a6010dfb4960e5cf70d (
plain)
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
37
38
39
40
41
|
/* Test for a bogus warning on comparison between signed and unsigned.
Origin: Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 8/21/2001. */
/* { dg-do compile } */
/* { dg-options "-Wsign-compare" } */
extern void bar(void);
int foo(int x, int y, unsigned u)
{
/* A *_DIV_EXPR is non-negative if both operands are. */
if (u < ((x=-22)/33)) /* { dg-warning "signed and unsigned" "DIV_EXPR" } */
return x;
if (u < ((x=22)/33))
return x;
if (u < ((x=22)/(y=33)))
return x;
if (u < (((x&0x10000)?128:64) / ((y&0x10000)?8:4)))
return x;
/* A *_MOD_EXPR is non-negative if the first operand is. */
if (u < ((x=-22)%33)) /* { dg-warning "signed and unsigned" "MOD_EXPR" } */
return x;
if (u < ((x=22)%-33))
return x;
if (u < ((x==y)%-33))
return x;
if (u < (((x=22)/33)%-33))
return x;
return 0;
}
|
