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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [atomic-compare-exchange-1.c] - Blame information for rev 698

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/* Test __atomic routines for existence and proper execution on 1 byte
   values with each valid memory model.  */
/* { dg-do run } */
/* { dg-require-effective-target sync_char_short } */
 
/* Test the execution of the __atomic_compare_exchange_n builtin for a char.  */
 
extern void abort(void);
 
char v = 0;
char expected = 0;
char max = ~0;
char desired = ~0;
char zero = 0;
 
#define STRONG 0
#define WEAK 1
 
main ()
{
 
  if (!__atomic_compare_exchange_n (&v, &expected, max, STRONG , __ATOMIC_RELAXED, __ATOMIC_RELAXED))
    abort ();
  if (expected != 0)
    abort ();
 
  if (__atomic_compare_exchange_n (&v, &expected, 0, STRONG , __ATOMIC_ACQUIRE, __ATOMIC_RELAXED))
    abort ();
  if (expected != max)
    abort ();
 
  if (!__atomic_compare_exchange_n (&v, &expected, 0, STRONG , __ATOMIC_RELEASE, __ATOMIC_ACQUIRE))
    abort ();
  if (expected != max)
    abort ();
  if (v != 0)
    abort ();
 
  if (__atomic_compare_exchange_n (&v, &expected, desired, WEAK, __ATOMIC_ACQ_REL, __ATOMIC_ACQUIRE))
    abort ();
  if (expected != 0)
    abort ();
 
  if (!__atomic_compare_exchange_n (&v, &expected, desired, STRONG , __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST))
    abort ();
  if (expected != 0)
    abort ();
  if (v != max)
    abort ();
 
  /* Now test the generic version.  */
 
  v = 0;
 
  if (!__atomic_compare_exchange (&v, &expected, &max, STRONG, __ATOMIC_RELAXED, __ATOMIC_RELAXED))
    abort ();
  if (expected != 0)
    abort ();
 
  if (__atomic_compare_exchange (&v, &expected, &zero, STRONG , __ATOMIC_ACQUIRE, __ATOMIC_RELAXED))
    abort ();
  if (expected != max)
    abort ();
 
  if (!__atomic_compare_exchange (&v, &expected, &zero, STRONG , __ATOMIC_RELEASE, __ATOMIC_ACQUIRE))
    abort ();
  if (expected != max)
    abort ();
  if (v != 0)
    abort ();
 
  if (__atomic_compare_exchange (&v, &expected, &desired, WEAK, __ATOMIC_ACQ_REL, __ATOMIC_ACQUIRE))
    abort ();
  if (expected != 0)
    abort ();
 
  if (!__atomic_compare_exchange (&v, &expected, &desired, STRONG , __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST))
    abort ();
  if (expected != 0)
    abort ();
  if (v != max)
    abort ();
 
  return 0;
}

Line No.	Rev	Author	Line
1	689	jeremybenn	`/* Test __atomic routines for existence and proper execution on 1 byte`
2			`values with each valid memory model. */`
3			`/* { dg-do run } */`
4			`/* { dg-require-effective-target sync_char_short } */`
5
6			`/* Test the execution of the __atomic_compare_exchange_n builtin for a char. */`
7
8			`extern void abort(void);`
9
10			`char v = 0;`
11			`char expected = 0;`
12			`char max = ~0;`
13			`char desired = ~0;`
14			`char zero = 0;`
15
16			`#define STRONG 0`
17			`#define WEAK 1`
18
19			`main ()`
20			`{`
21
22			`if (!__atomic_compare_exchange_n (&v, &expected, max, STRONG , __ATOMIC_RELAXED, __ATOMIC_RELAXED))`
23			`abort ();`
24			`if (expected != 0)`
25			`abort ();`
26
27			`if (__atomic_compare_exchange_n (&v, &expected, 0, STRONG , __ATOMIC_ACQUIRE, __ATOMIC_RELAXED))`
28			`abort ();`
29			`if (expected != max)`
30			`abort ();`
31
32			`if (!__atomic_compare_exchange_n (&v, &expected, 0, STRONG , __ATOMIC_RELEASE, __ATOMIC_ACQUIRE))`
33			`abort ();`
34			`if (expected != max)`
35			`abort ();`
36			`if (v != 0)`
37			`abort ();`
38
39			`if (__atomic_compare_exchange_n (&v, &expected, desired, WEAK, __ATOMIC_ACQ_REL, __ATOMIC_ACQUIRE))`
40			`abort ();`
41			`if (expected != 0)`
42			`abort ();`
43
44			`if (!__atomic_compare_exchange_n (&v, &expected, desired, STRONG , __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST))`
45			`abort ();`
46			`if (expected != 0)`
47			`abort ();`
48			`if (v != max)`
49			`abort ();`
50
51			`/* Now test the generic version. */`
52
53			`v = 0;`
54
55			`if (!__atomic_compare_exchange (&v, &expected, &max, STRONG, __ATOMIC_RELAXED, __ATOMIC_RELAXED))`
56			`abort ();`
57			`if (expected != 0)`
58			`abort ();`
59
60			`if (__atomic_compare_exchange (&v, &expected, &zero, STRONG , __ATOMIC_ACQUIRE, __ATOMIC_RELAXED))`
61			`abort ();`
62			`if (expected != max)`
63			`abort ();`
64
65			`if (!__atomic_compare_exchange (&v, &expected, &zero, STRONG , __ATOMIC_RELEASE, __ATOMIC_ACQUIRE))`
66			`abort ();`
67			`if (expected != max)`
68			`abort ();`
69			`if (v != 0)`
70			`abort ();`
71
72			`if (__atomic_compare_exchange (&v, &expected, &desired, WEAK, __ATOMIC_ACQ_REL, __ATOMIC_ACQUIRE))`
73			`abort ();`
74			`if (expected != 0)`
75			`abort ();`
76
77			`if (!__atomic_compare_exchange (&v, &expected, &desired, STRONG , __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST))`
78			`abort ();`
79			`if (expected != 0)`
80			`abort ();`
81			`if (v != max)`
82			`abort ();`
83
84			`return 0;`
85			`}`

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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [atomic-compare-exchange-1.c] - Blame information for rev 698