Imported gcc-4.4.3

[msp430-gcc.git] / libdecnumber / dpd / decimal128Local.h

diff --git a/libdecnumber/dpd/decimal128Local.h b/libdecnumber/dpd/decimal128Local.h
new file mode 100644 (file)
index 0000000..1963678
--- /dev/null
+++ b/libdecnumber/dpd/decimal128Local.h
@@ -0,0 +1,42 @@
+/* Local definitions for use with the decNumber C Library.
+   Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+
+   This file is part of GCC.
+
+   GCC 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, or (at your option) any later
+   version.
+
+   GCC 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/>.  */
+
+#if !defined(DECIMAL128LOCAL)
+
+/* The compiler needs sign manipulation functions for decimal128 which
+   are not part of the decNumber package.  */
+
+/* Set sign; this assumes the sign was previously zero.  */
+#define decimal128SetSign(d,b) \
+  { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] |= ((unsigned) (b) << 7); }
+
+/* Clear sign.  */
+#define decimal128ClearSign(d) \
+  { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] &= ~0x80; }
+
+/* Flip sign.  */
+#define decimal128FlipSign(d) \
+  { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] ^= 0x80; }
+
+#endif