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

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [simulate-thread/] [atomic-other-longlong.c] - Blame information for rev 801

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

Line No. Rev Author Line
1 689 jeremybenn 
/* { dg-do link } */
2 
/* { dg-require-effective-target sync_long_long_runtime } */
3 
/* { dg-options "" } */
4 
/* { dg-options "-march=pentium" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
5 
/* { dg-final { simulate-thread } } */
6 
 
7 
 
8 
#include <stdio.h>
9 
#include "simulate-thread.h"
10 
 
11 
/* Test all the __sync routines for proper atomicity on 8 byte values.  */
12 
 
13 
unsigned long long zero = 0;
14 
unsigned long long max = ~0;
15 
 
16 
unsigned long long changing_value = 0;
17 
unsigned long long value = 0;
18 
unsigned long long ret;
19 
 
20 
void test_abort()
21 
{
22 
  static int reported = 0;
23 
  if (!reported)
24 
    {
25 
      printf ("FAIL: improper execution of __sync builtin.\n");
26 
      reported = 1;
27 
    }
28 
}
29 
 
30 
void simulate_thread_other_threads ()
31 
{
32 
}
33 
 
34 
int simulate_thread_step_verify ()
35 
{
36 
  if (value != zero && value != max)
37 
    {
38 
      printf ("FAIL: invalid intermediate result for value.\n");
39 
      return 1;
40 
    }
41 
  return 0;
42 
}
43 
 
44 
int simulate_thread_final_verify ()
45 
{
46 
  if (value != 0)
47 
    {
48 
      printf ("FAIL: invalid final result for value.\n");
49 
      return 1;
50 
    }
51 
  return 0;
52 
}
53 
 
54 
/* All values written to 'value' alternate between 'zero' and 'max'. Any other
55 
   value detected by simulate_thread_step_verify() between instructions would indicate
56 
   that the value was only partially written, and would thus fail this
57 
   atomicity test.
58 
 
59 
   This function tests each different __atomic routine once, with the
60 
   exception of the load instruction which requires special testing.  */
61 
__attribute__((noinline))
62 
void simulate_thread_main()
63 
{
64 
  ret = __atomic_exchange_n (&value, max, __ATOMIC_SEQ_CST);
65 
  if (ret != zero || value != max)
66 
    test_abort();
67 
 
68 
  __atomic_store_n (&value, zero, __ATOMIC_SEQ_CST);
69 
  if (value != zero)
70 
    test_abort();
71 
 
72 
  ret = __atomic_fetch_add (&value, max, __ATOMIC_SEQ_CST);
73 
  if (value != max || ret != zero)
74 
    test_abort ();
75 
 
76 
  ret = __atomic_fetch_sub (&value, max, __ATOMIC_SEQ_CST);
77 
  if (value != zero || ret != max)
78 
    test_abort ();
79 
 
80 
  ret = __atomic_fetch_or (&value, max, __ATOMIC_SEQ_CST);
81 
  if (value != max || ret != zero)
82 
    test_abort ();
83 
 
84 
  ret = __atomic_fetch_and (&value, max, __ATOMIC_SEQ_CST);
85 
  if (value != max || ret != max)
86 
    test_abort ();
87 
 
88 
  ret = __atomic_fetch_xor (&value, max, __ATOMIC_SEQ_CST);
89 
  if (value != zero || ret != max)
90 
    test_abort ();
91 
 
92 
  ret = __atomic_add_fetch (&value, max, __ATOMIC_SEQ_CST);
93 
  if (value != max || ret != max)
94 
    test_abort ();
95 
 
96 
  ret = __atomic_sub_fetch (&value, max, __ATOMIC_SEQ_CST);
97 
  if (value != zero || ret != zero)
98 
    test_abort ();
99 
 
100 
  ret = __atomic_or_fetch (&value, max, __ATOMIC_SEQ_CST);
101 
  if (value != max || ret != max)
102 
    test_abort ();
103 
 
104 
  ret = __atomic_and_fetch (&value, max, __ATOMIC_SEQ_CST);
105 
  if (value != max || ret != max)
106 
    test_abort ();
107 
 
108 
  ret = __atomic_xor_fetch (&value, max, __ATOMIC_SEQ_CST);
109 
  if (value != zero || ret != zero)
110 
    test_abort ();
111 
}
112 
 
113 
int main ()
114 
{
115 
  simulate_thread_main ();
116 
  simulate_thread_done ();
117 
  return 0;
118 
}

powered by: WebSVN 2.1.0

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