/* Temporary library support for decimal floating point.
- Copyright (C) 2005 Free Software Foundation, Inc.
+ Copyright (C) 2005, 2006 Free Software Foundation, Inc.
-This file is part of GCC.
+ 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 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.
+ 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. */
+ 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"
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)
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;
}