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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-common.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-common.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-common.h#rev1.1.1.2">op-common.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-common.h">op-common.h</a>&nbsp;(<A HREF="/cgi-bin/cvsweb.cgi/~checkout~/glibc.dead/soft-fp/op-common.h?rev=1.1.1.2" target="cvs_checkout" onClick="window.open('/cgi-bin/cvsweb.cgi/~checkout~/glibc.dead/soft-fp/op-common.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. Common operations. &nbsp; Copyright (C) 1997,1998,1999 Free Software Foundation, Inc. &nbsp; This file is part of the GNU C Library. &nbsp; Contributed by Richard Henderson (<A HREF="mailto:rth@cygnus.com">rth@cygnus.com</A>), &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Jakub Jelinek (<A HREF="mailto:jj@ultra.linux.cz">jj@ultra.linux.cz</A>), &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;David S. Miller (<A HREF="mailto:davem@redhat.com">davem@redhat.com</A>) and &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Peter Maydell (<A HREF="mailto:pmaydell@chiark.greenend.org.uk">pmaydell@chiark.greenend.org.uk</A>). &nbsp; The GNU C Library is free software; you can redistribute it and/or &nbsp; modify it under the terms of the GNU Lesser General Public &nbsp; License as published by the Free Software Foundation; either &nbsp; version 2.1 of the License, or (at your option) any later version. &nbsp; The GNU C Library is distributed in the hope that it will be useful, &nbsp; but WITHOUT ANY WARRANTY; without even the implied warranty of &nbsp; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. &nbsp;See the GNU &nbsp; Lesser General Public License for more details. &nbsp; You should have received a copy of the GNU Lesser General Public &nbsp; License along with the GNU C Library; if not, write to the Free &nbsp; Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA &nbsp; 02111-1307 USA. &nbsp;*/#define _FP_DECL(wc, X) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \ &nbsp;_FP_I_TYPE X##_c, X##_s, X##_e; &nbsp; &nbsp; &nbsp; \ &nbsp;_FP_FRAC_DECL_##wc(X)/* * Finish truely unpacking a native fp value by classifying the kind * of fp value and normalizing both the exponent and the fraction. */#define _FP_UNPACK_CANONICAL(fs, wc, X) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \do { &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp;switch (X##_e) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp;{ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \ &nbsp;default: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp;_FP_FRAC_HIGH_RAW_##fs(X) |= _FP_IMPLBIT_##fs; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp;_FP_FRAC_SLL_##wc(X, _FP_WORKBITS); &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \ &nbsp; &nbsp;X##_e -= _FP_EXPBIAS_##fs; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp;X##_c = FP_CLS_NORMAL; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp;break; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp;case 0: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \ &nbsp; &nbsp;if (_FP_FRAC_ZEROP_##wc(X)) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \ &nbsp; &nbsp; &nbsp;X##_c = FP_CLS_ZERO; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp;else &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp; &nbsp;{ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \ &nbsp; &nbsp; &nbsp; &nbsp;/* a denormalized number */ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp; &nbsp; &nbsp;_FP_I_TYPE _shift; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp; &nbsp; &nbsp;_FP_FRAC_CLZ_##wc(_shift, X); &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp; &nbsp; &nbsp;_shift -= _FP_FRACXBITS_##fs; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp; &nbsp; &nbsp;_FP_FRAC_SLL_##wc(X, (_shift+_FP_WORKBITS)); &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp; &nbsp; &nbsp;X##_e -= _FP_EXPBIAS_##fs - 1 + _shift; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp; &nbsp; &nbsp;X##_c = FP_CLS_NORMAL; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp; &nbsp; &nbsp;FP_SET_EXCEPTION(FP_EX_DENORM); &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp; &nbsp;} &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \ &nbsp; &nbsp;break; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\
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