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-*-* } && ia32 } } } */ 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 compare_and_swap(long * addr,long old,long new_val)12compare_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 foo(long * address)18foo (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 } 24