Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/atomic-noinline.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/atomic-noinline.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,61 @@ +/* Test generic __atomic routines for proper function calling. + memory model. */ +/* { dg-options "-w -fno-inline-atomics" } */ +/* { dg-do run } */ +/* { dg-additional-sources "atomic-noinline-aux.c" } */ + +/* Test that -fno-inline-atomics works as expected. + atomic-generic-aux provide the expected routines which simply set the + value of the first parameter to */ + +#include <stdlib.h> +#include <stdbool.h> + +extern void abort (void); + +short as,bs,cs,ds; +char ac,bc,cc; + +int +main (void) +{ + + ac = __atomic_exchange_n (&bc, cc, __ATOMIC_RELAXED); + if (bc != 1) + abort (); + + as = __atomic_load_n (&bs, __ATOMIC_SEQ_CST); + if (bs != 1) + abort (); + + __atomic_store_n (&ac, bc, __ATOMIC_RELAXED); + if (ac != 1) + abort (); + + __atomic_compare_exchange_n (&as, &bs, cs, 0, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE); + if (as != 1) + abort (); + + ac = __atomic_fetch_add (&cc, 15, __ATOMIC_SEQ_CST); + if (cc != 1) + abort (); + + /* This should be translated to __atomic_fetch_add for the library */ + as = __atomic_add_fetch (&cs, 10, __ATOMIC_RELAXED); + if (cs != 1) + abort (); + + /* PR 51040 was caused by arithmetic code not patching up nand_fetch properly + when used an an external function. Look for proper return value here. */ + ac = 0x3C; + bc = __atomic_nand_fetch (&ac, 0x0f, __ATOMIC_RELAXED); + if (bc != ac) + abort (); + + if (!__atomic_is_lock_free (2, &ds)) + abort (); + if (ds != 1) + abort (); + + return 0; +}