OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [warn-addr-cmp.c] - Blame information for rev 867

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 149 jeremybenn 
/* { dg-do compile } */
2 
/* { dg-require-weak "" } */
3 
/* { dg-options "-Waddress" } */
4 
/* Warning when addr convert to bool always gives known result.
5 
   Ada/Pascal programmers sometimes write 0-param functions without
6 
   (), and might as well warn on variables, too.  */
7 
 
8 
int func (void);
9 
extern int var;
10 
int weak_func (void) __attribute__ ((weak));
11 
extern int weak_var __attribute__ ((weak));
12 
 
13 
int
14 
test_func_cmp (void)
15 
{
16 
  if (func)      /* { dg-warning "the address of 'func'" } */
17 
    return 1;
18 
  if (!func)     /* { dg-warning "the address of 'func'" } */
19 
    return 1;
20 
  if (&var)     /* { dg-warning "the address of 'var'" } */
21 
    return 1;
22 
  if (!&var)     /* { dg-warning "the address of 'var'" } */
23 
    return 1;
24 
  if (weak_func)
25 
    return 1;
26 
  if (!weak_func)
27 
    return 1;
28 
  if (&weak_var)
29 
    return 1;
30 
  if (!&weak_var)
31 
    return 1;
32 
  return 0;
33 
}
34 
 
35 
/* Test equality with 0 on the right hand side.  */
36 
int
37 
test_func_cmp_rhs_zero (void)
38 
{
39 
  if (func == 0)     /* { dg-warning "the address of 'func'" } */
40 
    return 1;
41 
  if (func != 0)     /* { dg-warning "the address of 'func'" } */
42 
    return 1;
43 
  if (&var == 0)     /* { dg-warning "the address of 'var'" } */
44 
    return 1;
45 
  if (&var != 0)     /* { dg-warning "the address of 'var'" } */
46 
    return 1;
47 
  if (weak_func == 0)
48 
    return 1;
49 
  if (weak_func != 0)
50 
    return 1;
51 
  if (&weak_var == 0)
52 
    return 1;
53 
  if (&weak_var != 0)
54 
    return 1;
55 
  return 0;
56 
}
57 
 
58 
/* Test equality with 0 on the left hand side.  */
59 
int
60 
test_func_cmp_lhs_zero (void)
61 
{
62 
  if (0 == func)     /* { dg-warning "the address of 'func'" } */
63 
    return 1;
64 
  if (0 != func)     /* { dg-warning "the address of 'func'" } */
65 
    return 1;
66 
  if (0 == &var)     /* { dg-warning "the address of 'var'" } */
67 
    return 1;
68 
  if (0 != &var)     /* { dg-warning "the address of 'var'" } */
69 
    return 1;
70 
  if (0 == weak_func)
71 
    return 1;
72 
  if (0 != weak_func)
73 
    return 1;
74 
  if (0 == &weak_var)
75 
    return 1;
76 
  if (0 != &weak_var)
77 
    return 1;
78 
  return 0;
79 
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.