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2007-08-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
[pf3gnuchains/gcc-fork.git] / gcc / testsuite / gcc.dg / ia64-sync-4.c
1 /* { dg-do compile } */
2 /* { dg-require-effective-target sync_int_long } */
3 /* { dg-options "-O2 -finline-functions" } */
4 /* { dg-options "-march=i486" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
5 /* { dg-options "-mcpu=v9" { target sparc*-*-* } } */
6
7 /* Test inlining __sync_bool_compare_and_swap.  */
8
9 #include <stdbool.h>
10
11 static bool
12 compare_and_swap(long *addr, long old, long new_val)
13 {
14   return __sync_bool_compare_and_swap(addr, old, new_val);
15 }
16
17 void
18 foo (long *address)
19 {
20   long he_address = *address & ~1;
21   while (!compare_and_swap(address, he_address, he_address | 1))
22     he_address = *address & ~1;
23 }