mips-modes.def

Mac OS X 10.4.9 for x86 Source Code gcc 实现源代码

/* MIPS extra machine modes. 
   Copyright (C) 2003, 2004 Free Software Foundation, Inc.

This file is part of GCC.

GCC 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.

GCC 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 GCC; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* MIPS has a quirky almost-IEEE format for all its
   floating point.  */
RESET_FLOAT_FORMAT (SF, mips_single_format);
RESET_FLOAT_FORMAT (DF, mips_double_format);

/* Irix6 will override this via MIPS_TFMODE_FORMAT.  */
FLOAT_MODE (TF, 16, mips_quad_format);

/* Vector modes.  */
VECTOR_MODES (FLOAT, 8);      /*            V4HF V2SF */

/* Paired single comparison instructions use 2 or 4 CC.  */
CC_MODE (CCV2);
ADJUST_BYTESIZE (CCV2, 8);
ADJUST_ALIGNMENT (CCV2, 8);

CC_MODE (CCV4);
ADJUST_BYTESIZE (CCV4, 16);
ADJUST_ALIGNMENT (CCV4, 16);