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author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-05-01 15:48:28 +0000 |
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committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-05-01 15:48:28 +0000 |
commit | 6db1d2ca83f9327020b75f6c1610649bb18e71db (patch) | |
tree | 729dc91fa97f38042aa7777ca6267ebed2edb3e8 /libatomic/testsuite/libatomic.c/atomic-exchange-5.c | |
parent | d8219307493056ea48203be157f0cfb468698f2d (diff) | |
download | ppe42-gcc-6db1d2ca83f9327020b75f6c1610649bb18e71db.tar.gz ppe42-gcc-6db1d2ca83f9327020b75f6c1610649bb18e71db.zip |
Add libatomic as a target library.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187018 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libatomic/testsuite/libatomic.c/atomic-exchange-5.c')
-rw-r--r-- | libatomic/testsuite/libatomic.c/atomic-exchange-5.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/libatomic/testsuite/libatomic.c/atomic-exchange-5.c b/libatomic/testsuite/libatomic.c/atomic-exchange-5.c new file mode 100644 index 00000000000..b0c84b17fd3 --- /dev/null +++ b/libatomic/testsuite/libatomic.c/atomic-exchange-5.c @@ -0,0 +1,63 @@ +/* Test __atomic routines for existence and proper execution on 16 byte + values with each valid memory model. */ +/* { dg-do run } */ +/* { dg-require-effective-target sync_int_128_runtime } */ +/* { dg-options "-mcx16" { target { i?86-*-* x86_64-*-* } } } */ + +/* Test the execution of the __atomic_X builtin for a 16 byte value. */ + +extern void abort(void); + +__int128_t v, count, ret; + +main () +{ + v = 0; + count = 0; + + if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) != count++) + abort (); + + if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) != count++) + abort (); + + if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) != count++) + abort (); + + if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) != count++) + abort (); + + if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) != count++) + abort (); + + /* Now test the generic version. */ + + count++; + + __atomic_exchange (&v, &count, &ret, __ATOMIC_RELAXED); + if (ret != count - 1 || v != count) + abort (); + count++; + + __atomic_exchange (&v, &count, &ret, __ATOMIC_ACQUIRE); + if (ret != count - 1 || v != count) + abort (); + count++; + + __atomic_exchange (&v, &count, &ret, __ATOMIC_RELEASE); + if (ret != count - 1 || v != count) + abort (); + count++; + + __atomic_exchange (&v, &count, &ret, __ATOMIC_ACQ_REL); + if (ret != count - 1 || v != count) + abort (); + count++; + + __atomic_exchange (&v, &count, &ret, __ATOMIC_SEQ_CST); + if (ret != count - 1 || v != count) + abort (); + count++; + + return 0; +} |