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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><!-- hennerik CVSweb $Revision: 1.93 $ --><TITLE>glibc.dead/soft-fp/op-2.h - view - 1.1.1.2</TITLE></HEAD><BODY BGCOLOR="#eeeeee"><table width="100%" border=0 cellspacing=0 cellpadding=1 bgcolor="#9999ee"><tr valign=bottom><td><a href="op-2.h#rev1.1.1.2"><IMG SRC="/icons/back.gif" ALT="[BACK]" BORDER="0" WIDTH="20" HEIGHT="22"></a> <b>Return to <A HREF="op-2.h#rev1.1.1.2">op-2.h</A> CVS log</b> <IMG SRC="/icons/text.gif" ALT="[TXT]" BORDER="0" WIDTH="20" HEIGHT="22"></td><td align=right><IMG SRC="/icons/dir.gif" ALT="[DIR]" BORDER="0" WIDTH="20" HEIGHT="22"> <b>Up to <a href="/cgi-bin/cvsweb.cgi/#dirlist">[Development]</a> / <a href="/cgi-bin/cvsweb.cgi/glibc.dead/#dirlist">glibc.dead</a> / <a href="/cgi-bin/cvsweb.cgi/glibc.dead/soft-fp/#dirlist">soft-fp</a></b></td></tr></table><HR noshade><table width="100%"><tr><td bgcolor="#ffffff">File: <a href="/cgi-bin/cvsweb.cgi/#dirlist">[Development]</a> / <a href="/cgi-bin/cvsweb.cgi/glibc.dead/#dirlist">glibc.dead</a> / <a href="/cgi-bin/cvsweb.cgi/glibc.dead/soft-fp/#dirlist">soft-fp</a> / <a href="/cgi-bin/cvsweb.cgi/glibc.dead/soft-fp/op-2.h">op-2.h</a> (<A HREF="/cgi-bin/cvsweb.cgi/~checkout~/glibc.dead/soft-fp/op-2.h?rev=1.1.1.2" target="cvs_checkout" onClick="window.open('/cgi-bin/cvsweb.cgi/~checkout~/glibc.dead/soft-fp/op-2.h?rev=1.1.1.2','cvs_checkout','resizeable,scrollbars');"><b>download</b></A>)<BR>Revision <B>1.1.1.2</B> <i>(vendor branch)</i>, <i>Thu Aug 2 11:38:45 2001 UTC</i> (3 years, 4 months ago) by <i>aj</i><BR>Branch: <b>glibc-2001-09-13, MAIN</b><BR>CVS Tags: <b>glibc-pre-merge-2001-09-13, glibc-2001-08-02, HEAD, GLIBC_MAIN</b><BR>Changes since <b>1.1.1.1: +8 -8 lines</b><PRE>Import from main glibc repository at 2001-08-02.</PRE></td></tr></table><HR noshade><PRE>/* Software floating-point emulation. Basic two-word fraction declaration and manipulation. Copyright (C) 1997,1998,1999 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson (<A HREF="mailto:rth@cygnus.com">rth@cygnus.com</A>), Jakub Jelinek (<A HREF="mailto:jj@ultra.linux.cz">jj@ultra.linux.cz</A>), David S. Miller (<A HREF="mailto:davem@redhat.com">davem@redhat.com</A>) and Peter Maydell (<A HREF="mailto:pmaydell@chiark.greenend.org.uk">pmaydell@chiark.greenend.org.uk</A>). 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. */#define _FP_FRAC_DECL_2(X) _FP_W_TYPE X##_f0, X##_f1#define _FP_FRAC_COPY_2(D,S) (D##_f0 = S##_f0, D##_f1 = S##_f1)#define _FP_FRAC_SET_2(X,I) __FP_FRAC_SET_2(X, I)#define _FP_FRAC_HIGH_2(X) (X##_f1)#define _FP_FRAC_LOW_2(X) (X##_f0)#define _FP_FRAC_WORD_2(X,w) (X##_f##w)#define _FP_FRAC_SLL_2(X,N) \ do { \ if ((N) < _FP_W_TYPE_SIZE) \ { \ if (__builtin_constant_p(N) && (N) == 1) \ { \ X##_f1 = X##_f1 + X##_f1 + (((_FP_WS_TYPE)(X##_f0)) < 0); \ X##_f0 += X##_f0; \ } \ else \ { \ X##_f1 = X##_f1 << (N) | X##_f0 >> (_FP_W_TYPE_SIZE - (N)); \ X##_f0 <<= (N); \ } \ } \ else \ { \ X##_f1 = X##_f0 << ((N) - _FP_W_TYPE_SIZE); \ X##_f0 = 0; \ } \ } while (0)#define _FP_FRAC_SRL_2(X,N) \ do { \ if ((N) < _FP_W_TYPE_SIZE) \ { \ X##_f0 = X##_f0 >> (N) | X##_f1 << (_FP_W_TYPE_SIZE - (N)); \ X##_f1 >>= (N); \ } \ else \ { \ X##_f0 = X##_f1 >> ((N) - _FP_W_TYPE_SIZE); \ X##_f1 = 0; \ } \ } while (0)/* Right shift with sticky-lsb. */#define _FP_FRAC_SRS_2(X,N,sz) \ do { \ if ((N) < _FP_W_TYPE_SIZE) \ { \ X##_f0 = (X##_f1 << (_FP_W_TYPE_SIZE - (N)) | X##_f0 >> (N) | \ (__builtin_constant_p(N) && (N) == 1 \ ? X##_f0 & 1 \ : (X##_f0 << (_FP_W_TYPE_SIZE - (N))) != 0)); \ X##_f1 >>= (N); \ } \ else \ { \ X##_f0 = (X##_f1 >> ((N) - _FP_W_TYPE_SIZE) | \ (((X##_f1 << (2*_FP_W_TYPE_SIZE - (N))) | \ X##_f0) != 0)); \ X##_f1 = 0; \
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