2000-02-29 21:29:14 +01:00
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/* Subroutines for long double support.
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2002-07-16 21:39:27 +02:00
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Copyright (C) 2000, 2002 Free Software Foundation, Inc.
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2000-02-29 21:29:14 +01:00
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2003-08-23 03:32:59 +02:00
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This file is part of GCC.
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2000-02-29 21:29:14 +01:00
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2003-08-23 03:32:59 +02:00
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GCC is free software; you can redistribute it and/or modify
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2000-02-29 21:29:14 +01:00
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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2000-05-16 01:14:17 +02:00
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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2003-08-23 03:32:59 +02:00
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GCC is distributed in the hope that it will be useful,
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2000-02-29 21:29:14 +01:00
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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2003-08-23 03:32:59 +02:00
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along with GCC; see the file COPYING. If not, write to
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2000-02-29 21:29:14 +01:00
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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int _U_Qfcmp (long double a, long double b, int);
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long _U_Qfcnvfxt_quad_to_sgl (long double);
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2001-04-13 02:12:12 +02:00
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int _U_Qfeq (long double, long double);
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int _U_Qfne (long double, long double);
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int _U_Qfgt (long double, long double);
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int _U_Qfge (long double, long double);
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int _U_Qflt (long double, long double);
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int _U_Qfle (long double, long double);
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int _U_Qfcomp (long double, long double);
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long double _U_Qfneg (long double);
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#ifdef __LP64__
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int __U_Qfcnvfxt_quad_to_sgl (long double);
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#endif
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unsigned int _U_Qfcnvfxt_quad_to_usgl(long double);
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2002-07-16 21:39:27 +02:00
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unsigned long long _U_Qfcnvfxt_quad_to_udbl(long double);
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2001-04-13 02:12:12 +02:00
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2000-02-29 21:29:14 +01:00
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int
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_U_Qfeq (long double a, long double b)
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{
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return (_U_Qfcmp (a, b, 4) != 0);
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}
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int
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_U_Qfne (long double a, long double b)
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{
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return (_U_Qfcmp (a, b, 4) == 0);
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}
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int
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_U_Qfgt (long double a, long double b)
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{
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return (_U_Qfcmp (a, b, 17) != 0);
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}
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int
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_U_Qfge (long double a, long double b)
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{
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return (_U_Qfcmp (a, b, 21) != 0);
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}
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int
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_U_Qflt (long double a, long double b)
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{
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return (_U_Qfcmp (a, b, 9) != 0);
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}
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int
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_U_Qfle (long double a, long double b)
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{
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return (_U_Qfcmp (a, b, 13) != 0);
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}
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int
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_U_Qfcomp (long double a, long double b)
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{
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if (_U_Qfcmp (a, b, 4) == 0)
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return 0;
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return (_U_Qfcmp (a, b, 22) != 0 ? 1 : -1);
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}
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long double
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_U_Qfneg (long double a)
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{
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return (0.0L - a);
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}
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#ifdef __LP64__
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/* This routine is only necessary for the PA64 port; for reasons unknown
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_U_Qfcnvfxt_quad_to_sgl returns the integer in the high 32bits of the
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return value. Ugh. */
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int
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__U_Qfcnvfxt_quad_to_sgl (long double a)
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{
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return _U_Qfcnvfxt_quad_to_sgl (a) >> 32;
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}
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#endif
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2001-02-21 06:05:25 +01:00
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/* HP only has signed conversion in library, so need to synthesize an
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unsigned version */
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unsigned int
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_U_Qfcnvfxt_quad_to_usgl(long double a)
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{
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extern long long _U_Qfcnvfxt_quad_to_dbl (long double a);
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return (unsigned int) _U_Qfcnvfxt_quad_to_dbl (a);
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}
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2002-07-16 21:39:27 +02:00
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/* HP only has signed conversion in library, so need to synthesize an
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unsigned version */
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typedef union {
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long long unsigned int u[2];
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long double d[1];
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} quad_type;
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unsigned long long
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_U_Qfcnvfxt_quad_to_udbl(long double a)
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{
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extern quad_type _U_Qfcnvfxt_quad_to_quad (long double a);
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quad_type u;
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u = _U_Qfcnvfxt_quad_to_quad(a);
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return u.u[1];
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}
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