/* { dg-do run } */ /* { dg-require-effective-target sync_int_long } */ /* { dg-options } */ /* { dg-options "-march=i486" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */ /* { dg-options "-mcpu=v9" { target sparc*-*-* } } */ /* { dg-message "note: '__sync_fetch_and_nand' changed semantics in GCC 4.4" "" { target *-*-* } 0 } */ /* Test basic functionality of the intrinsics. The operations should not be optimized away if no one checks the return values. */ __extension__ typedef __SIZE_TYPE__ size_t; extern void abort (void); extern void *memcpy (void *, const void *, size_t); static int AI[12]; static int init_noret_si[12] = { 0, 0, 0, 1, 0, 0, 0 , 0 , -1, 0, 0, -1 }; static int test_noret_si[12] = { 1, 1, 1, 0, 1, 4, 22, -12, 7 , 8, 9, ~7 }; static void do_noret_si (void) { __sync_val_compare_and_swap(AI+0, 0, 1); __sync_bool_compare_and_swap(AI+1, 0, 1); __sync_lock_test_and_set(AI+2, 1); __sync_lock_release(AI+3); __sync_fetch_and_add(AI+4, 1); __sync_fetch_and_add(AI+5, 4); __sync_fetch_and_add(AI+6, 22); __sync_fetch_and_sub(AI+7, 12); __sync_fetch_and_and(AI+8, 7); __sync_fetch_and_or(AI+9, 8); __sync_fetch_and_xor(AI+10, 9); __sync_fetch_and_nand(AI+11, 7); } static long AL[12]; static long init_noret_di[12] = { 0, 0, 0, 1, 0, 0, 0 , 0 , -1, 0, 0, -1 }; static long test_noret_di[12] = { 1, 1, 1, 0, 1, 4, 22, -12, 7 , 8, 9, ~7 }; static void do_noret_di (void) { __sync_val_compare_and_swap(AL+0, 0, 1); __sync_bool_compare_and_swap(AL+1, 0, 1); __sync_lock_test_and_set(AL+2, 1); __sync_lock_release(AL+3); __sync_fetch_and_add(AL+4, 1); __sync_fetch_and_add(AL+5, 4); __sync_fetch_and_add(AL+6, 22); __sync_fetch_and_sub(AL+7, 12); __sync_fetch_and_and(AL+8, 7); __sync_fetch_and_or(AL+9, 8); __sync_fetch_and_xor(AL+10, 9); __sync_fetch_and_nand(AL+11, 7); } int main() { memcpy(AI, init_noret_si, sizeof(init_noret_si)); memcpy(AL, init_noret_di, sizeof(init_noret_di)); do_noret_si (); do_noret_di (); if (memcmp (AI, test_noret_si, sizeof(test_noret_si))) abort (); if (memcmp (AL, test_noret_di, sizeof(test_noret_di))) abort (); return 0; }