Subversion Repositories openrisc_2011-10-31

/* Definitions of target machine for GNU compiler, for IBM RS/6000.

   Copyright (C) 2002, 2003, 2004, 2007 Free Software Foundation, Inc.

   Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)

   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 3, 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 COPYING3.  If not see

   .  */

/* 128-bit floating point.  ABI_V4 uses IEEE quad, AIX/Darwin

   adjust this in rs6000_override_options.  */

FLOAT_MODE (TF, 16, ieee_quad_format);

/* PSImode is used for the XER register.  The XER register

   is not used for anything; perhaps it should be deleted,

   except that that would change register numbers.  */

PARTIAL_INT_MODE (SI);

/* Add any extra modes needed to represent the condition code.

   For the RS/6000, we need separate modes when unsigned (logical) comparisons

   are being done and we need a separate mode for floating-point.  We also

   use a mode for the case when we are comparing the results of two

   comparisons, as then only the EQ bit is valid in the register.  */

CC_MODE (CCUNS);

CC_MODE (CCFP);

CC_MODE (CCEQ);

/* Vector modes.  */

VECTOR_MODES (INT, 8);        /*       V8QI V4HI V2SI */

VECTOR_MODES (INT, 16);       /* V16QI V8HI V4SI V2DI */

VECTOR_MODE (INT, DI, 1);

VECTOR_MODES (FLOAT, 8);      /*            V4HF V2SF */

VECTOR_MODES (FLOAT, 16);     /*       V8HF V4SF V2DF */