/* Header file for fp-bit.c. */
-/* Copyright (C) 2000, 2002, 2003
- Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2002, 2003, 2006, 2009 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC 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 3, or (at your option) any later
+version.
-GNU CC 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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+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.
-/* As a special exception, if you link this library with other files,
- some of which are compiled with GCC, to produce an executable,
- this library does not by itself cause the resulting executable
- to be covered by the GNU General Public License.
- This exception does not however invalidate any other reasons why
- the executable file might be covered by the GNU General Public License. */
+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/>. */
#ifndef GCC_FP_BIT_H
#define GCC_FP_BIT_H
#endif /* ! FINE_GRAINED_LIBRARIES */
#if __LDBL_MANT_DIG__ == 113 || __LDBL_MANT_DIG__ == 106
-# define TMODES
+# if defined(TFLOAT) || defined(L_sf_to_tf) || defined(L_df_to_tf)
+# define TMODES
+# endif
#endif
typedef float SFtype __attribute__ ((mode (SF)));
typedef int TItype __attribute__ ((mode (TI)));
#endif
-/* The type of the result of a fp compare */
+/* The type of the result of a floating point comparison. This must
+ match `__libgcc_cmp_return__' in GCC for the target. */
#ifndef CMPtype
-#define CMPtype SItype
+typedef int CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
#endif
typedef unsigned int UHItype __attribute__ ((mode (HI)));
#endif
/* Preserve the sticky-bit when shifting fractions to the right. */
-#define LSHIFT(a) { a = (a & 1) | (a >> 1); }
+#define LSHIFT(a, s) { a = (a >> s) | !!(a & (((fractype) 1 << s) - 1)); }
/* numeric parameters */
/* F_D_BITOFF is the number of bits offset between the MSB of the mantissa
}
FLO_union_type;
-/* Prototypes */
+/* Prototypes. */
#if defined(L_pack_df) || defined(L_pack_sf) || defined(L_pack_tf)
-extern FLO_type pack_d (fp_number_type *);
+extern FLO_type pack_d (const fp_number_type *);
#endif
extern void unpack_d (FLO_union_type *, fp_number_type *);
#endif
#if defined(L_sf_to_usi) || defined(L_df_to_usi) || defined(L_tf_to_usi)
-#ifdef US_SOFTWARE_GOFAST
+#if defined(US_SOFTWARE_GOFAST) || defined(L_tf_to_usi)
extern USItype float_to_usi (FLO_type);
#endif
#endif