summaryrefslogtreecommitdiff
path: root/libdecnumber/dpd/decimal128Local.h
diff options
context:
space:
mode:
Diffstat (limited to 'libdecnumber/dpd/decimal128Local.h')
-rw-r--r--libdecnumber/dpd/decimal128Local.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/libdecnumber/dpd/decimal128Local.h b/libdecnumber/dpd/decimal128Local.h
new file mode 100644
index 0000000000..1963678cdd
--- /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