1 /* Supply a set of generic atomic functions to test the compiler make the
2 calls properly. */
3 /* { dg-do compile } */
4 /* { dg-options "-w" } */
5
6 /* Test that the generic builtins make calls as expected. This file provides
7 the exact entry points the test file will require. All these routines
8 simply set the first parameter to 1, and the caller will test for that. */
9
10 #include <stdlib.h>
11 #include <stdbool.h>
12 #include <string.h>
13
14
15 char
__atomic_exchange_1(char * p,char t,int i)16 __atomic_exchange_1 (char *p, char t, int i)
17 {
18 *p = 1;
19 }
20
21 short
__atomic_load_2(short * p,int i)22 __atomic_load_2 (short *p, int i)
23 {
24 *p = 1;
25 }
26
27 void
__atomic_store_1(char * p,char v,int i)28 __atomic_store_1 (char *p, char v, int i)
29 {
30 *p = 1;
31 }
32
__atomic_compare_exchange_2(short * p,short * a,short b,int y,int z)33 int __atomic_compare_exchange_2 (short *p, short *a, short b, int y, int z)
34 {
35 /* Fail if the memory models aren't correct as that will indicate the external
36 call has failed to remove the weak/strong parameter as required by the
37 library. */
38 if (y != __ATOMIC_SEQ_CST || z != __ATOMIC_ACQUIRE)
39 *p = 0;
40 else
41 *p = 1;
42 }
43
__atomic_fetch_add_1(char * p,char v,int i)44 char __atomic_fetch_add_1 (char *p, char v, int i)
45 {
46 *p = 1;
47 }
48
__atomic_fetch_add_2(short * p,short v,int i)49 short __atomic_fetch_add_2 (short *p, short v, int i)
50 {
51 *p = 1;
52 }
53
54 /* Really perform a NAND. PR51040 showed incorrect calculation of a
55 non-inlined fetch_nand. */
56 unsigned char
__atomic_fetch_nand_1(unsigned char * p,unsigned char v,int i)57 __atomic_fetch_nand_1 (unsigned char *p, unsigned char v, int i)
58 {
59 unsigned char ret;
60
61 ret = *p;
62 *p = ~(*p & v);
63
64 return ret;
65 }
66
__atomic_is_lock_free(int i,void * p)67 int __atomic_is_lock_free (int i, void *p)
68 {
69 return 10;
70 }
71