obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 60 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/gcc-have-sync-compare-and-swap.c b/gcc/testsuite/gcc.dg/gcc-have-sync-compare-and-swap.c
new file mode 100644
index 000000000..faed818d5
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/gcc-have-sync-compare-and-swap.c
@@ -0,0 +1,60 @@
+/* { dg-do link } */
+/* MIPS only supports these built-in functions for non-MIPS16 mode, and
+   -mflip-mips16 will change the mode of some functions to be different
+   from the command-line setting.  */
+/* { dg-skip-if "" { mips*-*-* } { "-mflip-mips16" } { "" } } */
+
+void f1()
+{
+#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1
+  typedef int __attribute__  ((__mode__ (__QI__))) qi_int_type;
+  qi_int_type qi_int;
+  __sync_bool_compare_and_swap (&qi_int, (qi_int_type)0, (qi_int_type)1);
+#endif
+}
+
+void f2()
+{
+#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2
+  typedef int __attribute__ ((__mode__ (__HI__))) hi_int_type;
+  hi_int_type hi_int;
+  __sync_bool_compare_and_swap (&hi_int, (hi_int_type)0, (hi_int_type)1);
+#endif
+}
+
+void f4()
+{
+#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
+  typedef int __attribute__ ((__mode__ (__SI__))) si_int_type;
+  si_int_type si_int;
+  __sync_bool_compare_and_swap (&si_int, (si_int_type)0, (si_int_type)1);
+#endif
+}
+
+void f8()
+{
+#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8
+  typedef int __attribute__ ((__mode__ (__DI__))) di_int_type;
+  di_int_type di_int;
+  __sync_bool_compare_and_swap (&di_int, (di_int_type)0, (di_int_type)1);
+#endif
+}
+
+void f16()
+{
+#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
+  typedef int __attribute__ ((__mode__ (__TI__))) ti_int_type;
+  ti_int_type ti_int;
+  __sync_bool_compare_and_swap (&ti_int, (ti_int_type)0, (ti_int_type)1);
+#endif
+}
+
+int main()
+{
+  f1();
+  f2();
+  f4();
+  f8();
+  f16();  
+  return 0;
+}