patch-2.4.20 linux-2.4.20/arch/parisc/math-emu/hppa.h

• Lines: 43
• Date: Thu Nov 28 15:53:10 2002
• Orig file: linux-2.4.19/arch/parisc/math-emu/hppa.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/arch/parisc/math-emu/hppa.h linux-2.4.20/arch/parisc/math-emu/hppa.h
@@ -0,0 +1,42 @@
+/*
+ * Linux/PA-RISC Project (http://www.parisc-linux.org/)
+ *
+ * Floating-point emulation code
+ *  Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
+ *
+ *    This program 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 2, or (at your option)
+ *    any later version.
+ *
+ *    This program 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.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifdef __NO_PA_HDRS
+    PA header file -- do not include this header file for non-PA builds.
+#endif
+
+
+/* amount is assumed to be a constant between 0 and 32 (non-inclusive) */
+#define Shiftdouble(left,right,amount,dest)			\
+    /* int left, right, amount, dest; */			\
+    dest = ((left) << (32-(amount))) | ((unsigned int)(right) >> (amount))
+
+/* amount must be less than 32 */
+#define Variableshiftdouble(left,right,amount,dest)		\
+    /* unsigned int left, right;  int amount, dest; */		\
+    if (amount == 0) dest = right;				\
+    else dest = ((((unsigned) left)&0x7fffffff) << (32-(amount))) |	\
+          ((unsigned) right >> (amount))
+
+/* amount must be between 0 and 32 (non-inclusive) */
+#define Variable_shift_double(left,right,amount,dest)		\
+    /* unsigned int left, right;  int amount, dest; */		\
+    dest = (left << (32-(amount))) | ((unsigned) right >> (amount))