| /* { dg-do compile } */ |
| /* { dg-require-effective-target sync_int_long } */ |
| /* { dg-options "-O2 -finline-functions" } */ |
| /* { dg-options "-march=i486" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */ |
| /* { dg-options "-mcpu=v9" { target sparc*-*-* } } */ |
| |
| /* Test inlining __sync_bool_compare_and_swap. */ |
| |
| #include <stdbool.h> |
| |
| static bool |
| compare_and_swap(long *addr, long old, long new_val) |
| { |
| return __sync_bool_compare_and_swap(addr, old, new_val); |
| } |
| |
| void |
| foo (long *address) |
| { |
| long he_address = *address & ~1; |
| while (!compare_and_swap(address, he_address, he_address | 1)) |
| he_address = *address & ~1; |
| } |
