2007-03-14 Jerry DeLisle <jvdelisle@gcc.gnu.org>

[pf3gnuchains/gcc-fork.git] / libdecnumber / decLibrary.c

diff --git a/libdecnumber/decLibrary.c b/libdecnumber/decLibrary.c
index 7cfd9b2..5a17250 100644 (file)
--- a/libdecnumber/decLibrary.c
+++ b/libdecnumber/decLibrary.c
@@ -1,22 +1,31 @@
 /* Temporary library support for decimal floating point.
-   Copyright (C) 2005 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 2, 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.
-
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING.  If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA.  */
+   Copyright (C) 2005, 2006 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 2, or (at your option)
+   any later version.
+
+   In addition to the permissions in the GNU General Public License,
+   the Free Software Foundation gives you unlimited permission to link
+   the compiled version of this file into combinations with other
+   programs, and to distribute those combinations without any
+   restriction coming from the use of this file.  (The General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into a combine executable.)
+
+   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.
+
+   You should have received a copy of the GNU General Public License
+   along with GCC; see the file COPYING.  If not, write to the Free
+   Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.  */
 
 #include "config.h"
 #include "decContext.h"
@@ -31,8 +40,7 @@ void __host_to_ieee_128 (_Decimal128, decimal128 *);
 extern int isinfd32 (_Decimal32);
 extern int isinfd64 (_Decimal64);
 extern int isinfd128 (_Decimal128);
-extern void __dfp_enable_traps (void);
-extern void __dfp_raise (int exception __attribute__ ((unused)));
+uint32_t __dec_byte_swap (uint32_t);
 
 int
 isinfd32 (_Decimal32 arg)
@@ -67,16 +75,21 @@ isinfd128 (_Decimal128 arg)
   return (decNumberIsInfinite (&dn));
 }
 
-int __dfp_traps;
-
-void
-__dfp_enable_traps (void)
-{
-  __dfp_traps = 1;
-}
-
-void
-__dfp_raise (int exception __attribute__ ((unused)))
+uint32_t
+__dec_byte_swap (uint32_t in)
 {
-  raise (SIGFPE);
+  uint32_t out = 0;
+  unsigned char *p = (unsigned char *) &out;
+  union {
+    uint32_t i;
+    unsigned char b[4];
+  } u;
+
+  u.i = in;
+  p[0] = u.b[3];
+  p[1] = u.b[2];
+  p[2] = u.b[1];
+  p[3] = u.b[0];
+
+  return out;
 }