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comparison gcc/testsuite/gcc.dg/simulate-thread/strict-align-global.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 /* { dg-do link } */
2 /* { dg-final { simulate-thread } } */
3
4 #include <stdio.h>
5 #include "simulate-thread.h"
6
7 /* This test verifies writes to globals do not write to adjacent
8 globals. This mostly happens on strict-align targets that are not
9 byte addressable (old Alphas, etc). */
10
11 char a = 0;
12 char b = 77;
13
14 void simulate_thread_other_threads()
15 {
16 }
17
18 int simulate_thread_step_verify()
19 {
20 if (b != 77)
21 {
22 printf("FAIL: Unexpected value. <b> is %d, should be 77\n", b);
23 return 1;
24 }
25 return 0;
26 }
27
28 /* Verify that every variable has the correct value. */
29 int simulate_thread_final_verify()
30 {
31 int ret = simulate_thread_step_verify ();
32 if (a != 66)
33 {
34 printf("FAIL: Unexpected value. <a> is %d, should be 66\n", a);
35 return 1;
36 }
37 return ret;
38 }
39
40 __attribute__((noinline))
41 void simulate_thread_main()
42 {
43 a = 66;
44 }
45
46 int main ()
47 {
48 simulate_thread_main();
49 simulate_thread_done();
50 return 0;
51 }