mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-27 04:41:02 +08:00
fb08891109
* 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.
40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/* Software floating-point emulation: subtraction.
|
|
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"
|
|
|
|
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_Q(A, a);
|
|
FP_UNPACK_Q(B, b);
|
|
FP_SUB_Q(C, A, B);
|
|
FP_PACK_Q(c, C);
|
|
FP_HANDLE_EXCEPTIONS;
|
|
|
|
FP_RETURN(c);
|
|
}
|