glibc/sysdeps/alpha/soft-fp/ots_cvtxq.c
Richard Henderson a598e3fc04 * soft-fp/quad.h (union _FP_UNION_Q): Add longs structure. * sysdeps/alpha/Implies: Add alpha/soft-fp. * sysdeps/alpha/soft-fp/sfp-machine.h: Rewrite for GEM interface. * sysdeps/alpha/Subdirs, sysdeps/alpha/soft-fp/Makefile, sysdeps/alpha/soft-fp/Versions, sysdeps/alpha/soft-fp/local-soft-fp.h, sysdeps/alpha/soft-fp/ots_add.c, sysdeps/alpha/soft-fp/ots_cmp.c, sysdeps/alpha/soft-fp/ots_cmpe.c, sysdeps/alpha/soft-fp/ots_cvtqux.c, sysdeps/alpha/soft-fp/ots_cvtqx.c, sysdeps/alpha/soft-fp/ots_cvttx.c, sysdeps/alpha/soft-fp/ots_cvtxq.c, sysdeps/alpha/soft-fp/ots_cvtxt.c, sysdeps/alpha/soft-fp/ots_div.c, sysdeps/alpha/soft-fp/ots_mul.c, sysdeps/alpha/soft-fp/ots_nintxq.c, sysdeps/alpha/soft-fp/ots_sub.c: New files.
2004-03-06  Richard Henderson  <rth@redhat.com>

	* soft-fp/quad.h (union _FP_UNION_Q): Add longs structure.
	* sysdeps/alpha/Implies: Add alpha/soft-fp.
	* sysdeps/alpha/soft-fp/sfp-machine.h: Rewrite for GEM interface.
	* sysdeps/alpha/Subdirs, sysdeps/alpha/soft-fp/Makefile,
	sysdeps/alpha/soft-fp/Versions, sysdeps/alpha/soft-fp/local-soft-fp.h,
	sysdeps/alpha/soft-fp/ots_add.c, sysdeps/alpha/soft-fp/ots_cmp.c,
	sysdeps/alpha/soft-fp/ots_cmpe.c, sysdeps/alpha/soft-fp/ots_cvtqux.c,
	sysdeps/alpha/soft-fp/ots_cvtqx.c, sysdeps/alpha/soft-fp/ots_cvttx.c,
	sysdeps/alpha/soft-fp/ots_cvtxq.c, sysdeps/alpha/soft-fp/ots_cvtxt.c,
	sysdeps/alpha/soft-fp/ots_div.c, sysdeps/alpha/soft-fp/ots_mul.c,
	sysdeps/alpha/soft-fp/ots_nintxq.c, sysdeps/alpha/soft-fp/ots_sub.c:
	New files.
2004-03-06 20:46:23 +00:00

44 lines
1.4 KiB
C

/* Software floating-point emulation: float to integer conversion.
Copyright (C) 1997,1999,2004 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"
long
_OtsCvtXQ (long al, long ah, long _round)
{
FP_DECL_EX;
FP_DECL_Q(A);
long r, s;
/* If bit 3 is set, then integer overflow detection is requested. */
s = _round & 8 ? 1 : -1;
_round = _round & 3;
FP_INIT_ROUNDMODE;
FP_UNPACK_Q(A, a);
FP_TO_INT_Q(r, A, 64, s);
if (s > 0 && (_fex &= FP_EX_INVALID))
FP_HANDLE_EXCEPTIONS;
return r;
}