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authorRichard Henderson <rth@redhat.com>2012-05-01 08:48:28 -0700
committerRichard Henderson <rth@gcc.gnu.org>2012-05-01 08:48:28 -0700
commit483104922ad93037381da8f37a8b2bb471799650 (patch)
tree729dc91fa97f38042aa7777ca6267ebed2edb3e8 /libatomic/fadd_n.c
parente8053cf5b5b8d982efd4d77d9922ac63fcf478d2 (diff)
downloadgcc-483104922ad93037381da8f37a8b2bb471799650.tar.gz
Add libatomic as a target library.
From-SVN: r187018
Diffstat (limited to 'libatomic/fadd_n.c')
-rw-r--r--libatomic/fadd_n.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/libatomic/fadd_n.c b/libatomic/fadd_n.c
new file mode 100644
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--- /dev/null
+++ b/libatomic/fadd_n.c
@@ -0,0 +1,45 @@
+/* Copyright (C) 2012 Free Software Foundation, Inc.
+ Contributed by Richard Henderson <rth@redhat.com>.
+
+ This file is part of the GNU Atomic Library (libatomic).
+
+ Libatomic is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ Libatomic is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details.
+
+ Under Section 7 of GPL version 3, you are granted additional
+ permissions described in the GCC Runtime Library Exception, version
+ 3.1, as published by the Free Software Foundation.
+
+ You should have received a copy of the GNU General Public License and
+ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <libatomic_i.h>
+
+#define NAME add
+#define OP(X,Y) ((X) + (Y))
+
+/* Defer to HAVE_ATOMIC_FETCH_ADD, which some targets implement specially,
+ even if HAVE_ATOMIC_FETCH_OP is not defined. */
+#if !SIZE(HAVE_ATOMIC_FETCH_OP)
+# undef HAVE_ATOMIC_FETCH_OP_1
+# undef HAVE_ATOMIC_FETCH_OP_2
+# undef HAVE_ATOMIC_FETCH_OP_4
+# undef HAVE_ATOMIC_FETCH_OP_8
+# undef HAVE_ATOMIC_FETCH_OP_16
+# define HAVE_ATOMIC_FETCH_OP_1 HAVE_ATOMIC_FETCH_ADD_1
+# define HAVE_ATOMIC_FETCH_OP_2 HAVE_ATOMIC_FETCH_ADD_2
+# define HAVE_ATOMIC_FETCH_OP_4 HAVE_ATOMIC_FETCH_ADD_4
+# define HAVE_ATOMIC_FETCH_OP_8 HAVE_ATOMIC_FETCH_ADD_8
+# define HAVE_ATOMIC_FETCH_OP_16 HAVE_ATOMIC_FETCH_ADD_16
+#endif
+
+#include "fop_n.c"