modemap.def

gcc库的原代码,对编程有很大帮助.

/* Bytecode specific machine mode info for GNU C-compiler.
   Copyright (C) 1993 Free Software Foundation, Inc.

This file is part of GNU CC.

GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU CC 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* Map mode to signed, unsigned typecodes, bytecode to push const,
   to load, to store */
DEF_MODEMAP(QImode, QIcode, QUcode, constQI, loadQI, storeQI)
DEF_MODEMAP(HImode, HIcode, HUcode, constHI, loadHI, storeHI)
DEF_MODEMAP(VOIDmode, SIcode, SUcode, constSI, loadSI, storeSI)
DEF_MODEMAP(SImode, SIcode, SUcode, constSI, loadSI, storeSI)
DEF_MODEMAP(DImode, DIcode, DUcode, constDI, loadDI, storeDI)
DEF_MODEMAP(PSImode, Pcode, Pcode, constP, loadP, storeP)
DEF_MODEMAP(BLKmode, Pcode, Pcode, constP, loadP, neverneverland)
DEF_MODEMAP(SFmode, SFcode, SFcode, constSF, loadSF, storeSF)
DEF_MODEMAP(DFmode, DFcode, DFcode, constDF, loadDF, storeDF)