/* Test generic __atomic routines for proper function calling. memory model. */ /* { dg-options "-w" } */ /* { dg-do run } */ /* { dg-additional-sources "atomic-generic-aux.c" } */ /* Test that the generioc atomic builtins execute as expected.. sync-mem-generic-aux.c supplies a functional external entry point for the 4 generic functions. */ #include #include extern void abort(); typedef struct test { int array[10]; } test_struct; test_struct zero = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; test_struct ones = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }; test_struct a,b; int size = sizeof (test_struct); /* Test for consistency on sizes 1, 2, 4, 8, 16 and 32. */ int main () { test_struct c; __atomic_store (&a, &zero, __ATOMIC_RELAXED); if (memcmp (&a, &zero, size)) abort (); __atomic_exchange (&a, &ones, &c, __ATOMIC_SEQ_CST); if (memcmp (&c, &zero, size)) abort (); if (memcmp (&a, &ones, size)) abort (); __atomic_load (&a, &b, __ATOMIC_RELAXED); if (memcmp (&b, &ones, size)) abort (); if (!__atomic_compare_exchange (&a, &b, &zero, false, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE)) abort(); if (memcmp (&a, &zero, size)) abort (); if (__atomic_compare_exchange (&a, &b, &ones, false, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE)) abort(); if (memcmp (&b, &zero, size)) abort (); return 0; }