[thirdparty/glibc.git] / sysdeps / alpha / soft-fp / ots_sub.c

/* Software floating-point emulation: subtraction.
   Copyright (C) 1997,1999,2004,2006 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Richard Henderson (rth@cygnus.com) and
		  Jakub Jelinek (jj@ultra.linux.cz).

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include "local-soft-fp.h"

void
_OtsSubX(long al, long ah, long bl, long bh, long _round)
{
  FP_DECL_EX;
  FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
  FP_DECL_RETURN(c);

  FP_INIT_ROUNDMODE;
  FP_UNPACK_SEMIRAW_Q(A, a);
  FP_UNPACK_SEMIRAW_Q(B, b);
  FP_SUB_Q(C, A, B);
  FP_PACK_SEMIRAW_Q(c, C);
  FP_HANDLE_EXCEPTIONS;

  FP_RETURN(c);
}
Commit	Line	Data
a598e3fc	1	/* Software floating-point emulation: subtraction.
fe0b1e85	2	Copyright (C) 1997,1999,2004,2006 Free Software Foundation, Inc.
a598e3fc RH	3	This file is part of the GNU C Library.
	4	Contributed by Richard Henderson (rth@cygnus.com) and
	5	Jakub Jelinek (jj@ultra.linux.cz).
	6
	7	The GNU C Library is free software; you can redistribute it and/or
	8	modify it under the terms of the GNU Lesser General Public
	9	License as published by the Free Software Foundation; either
	10	version 2.1 of the License, or (at your option) any later version.
	11
	12	The GNU C Library is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	Lesser General Public License for more details.
	16
	17	You should have received a copy of the GNU Lesser General Public
	18	License along with the GNU C Library; if not, write to the Free
	19	Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
	20	02111-1307 USA. */
	21
	22	#include "local-soft-fp.h"
	23
	24	void
	25	_OtsSubX(long al, long ah, long bl, long bh, long _round)
	26	{
	27	FP_DECL_EX;
	28	FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
	29	FP_DECL_RETURN(c);
	30
	31	FP_INIT_ROUNDMODE;
fe0b1e85 RM	32	FP_UNPACK_SEMIRAW_Q(A, a);
fe0b1e85 RM	33	FP_UNPACK_SEMIRAW_Q(B, b);
a598e3fc	34	FP_SUB_Q(C, A, B);
fe0b1e85	35	FP_PACK_SEMIRAW_Q(c, C);
a598e3fc RH	36	FP_HANDLE_EXCEPTIONS;
	37
	38	FP_RETURN(c);
	39	}