gcc/config/rs6000/option-defaults.h

   1 /* Definitions of default options for config/rs6000 configurations.
   2    Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
   3    2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
   4    Free Software Foundation, Inc.
   5
   6    This file is part of GCC.
   7
   8    GCC is free software; you can redistribute it and/or modify it
   9    under the terms of the GNU General Public License as published
  10    by the Free Software Foundation; either version 3, or (at your
  11    option) any later version.
  12
  13    GCC is distributed in the hope that it will be useful, but WITHOUT
  14    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  16    License for more details.
  17
  18    Under Section 7 of GPL version 3, you are granted additional
  19    permissions described in the GCC Runtime Library Exception, version
  20    3.1, as published by the Free Software Foundation.
  21
  22    You should have received a copy of the GNU General Public License and
  23    a copy of the GCC Runtime Library Exception along with this program;
  24    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  25    <http://www.gnu.org/licenses/>.  */
  26
  27 /* This header needs to be included after any other headers affecting
  28    TARGET_DEFAULT.  */
  29
  30 #if TARGET_AIX_OS
  31 #define OPT_64 "maix64"
  32 #define OPT_32 "maix32"
  33 #else
  34 #define OPT_64 "m64"
  35 #define OPT_32 "m32"
  36 #endif
  37
  38 #ifndef OPTION_MASK_64BIT
  39 #define OPTION_MASK_64BIT 0
  40 #define MASK_64BIT 0
  41 #endif
  42
  43 #if TARGET_DEFAULT & OPTION_MASK_64BIT
  44 #define OPT_ARCH64 "!"OPT_32
  45 #define OPT_ARCH32 OPT_32
  46 #else
  47 #define OPT_ARCH64 OPT_64
  48 #define OPT_ARCH32 "!"OPT_64
  49 #endif
  50
  51 /* Support for a compile-time default CPU, et cetera.  The rules are:
  52    --with-cpu is ignored if -mcpu is specified; likewise --with-cpu-32
  53      and --with-cpu-64.
  54    --with-tune is ignored if -mtune or -mcpu is specified; likewise
  55      --with-tune-32 and --with-tune-64.
  56    --with-float is ignored if -mhard-float or -msoft-float are
  57      specified.  */
  58 #define OPTION_DEFAULT_SPECS \
  59   {"tune", "%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}" }, \
  60   {"tune_32", "%{" OPT_ARCH32 ":%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}}" }, \
  61   {"tune_64", "%{" OPT_ARCH64 ":%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}}" }, \
  62   {"cpu", "%{!mcpu=*:-mcpu=%(VALUE)}" }, \
  63   {"cpu_32", "%{" OPT_ARCH32 ":%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
  64   {"cpu_64", "%{" OPT_ARCH64 ":%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
  65   {"float", "%{!msoft-float:%{!mhard-float:-m%(VALUE)-float}}" }