gcc/config/rs6000/option-defaults.h

   1 /* Definitions of default options for config/rs6000 configurations.
   2    Copyright (C) 1992-2021 Free Software Foundation, Inc.
   3
   4    This file is part of GCC.
   5
   6    GCC is free software; you can redistribute it and/or modify it
   7    under the terms of the GNU General Public License as published
   8    by the Free Software Foundation; either version 3, or (at your
   9    option) any later version.
  10
  11    GCC is distributed in the hope that it will be useful, but WITHOUT
  12    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  14    License for more details.
  15
  16    Under Section 7 of GPL version 3, you are granted additional
  17    permissions described in the GCC Runtime Library Exception, version
  18    3.1, as published by the Free Software Foundation.
  19
  20    You should have received a copy of the GNU General Public License and
  21    a copy of the GCC Runtime Library Exception along with this program;
  22    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23    <http://www.gnu.org/licenses/>.  */
  24
  25 /* This header needs to be included after any other headers affecting
  26    TARGET_DEFAULT.  */
  27
  28 #if TARGET_AIX_OS
  29 #define OPT_64 "maix64"
  30 #define OPT_32 "maix32"
  31 #else
  32 #define OPT_64 "m64"
  33 #define OPT_32 "m32"
  34 #endif
  35
  36 #ifndef OPTION_MASK_64BIT
  37 #define OPTION_MASK_64BIT 0
  38 #define MASK_64BIT 0
  39 #endif
  40
  41 #if TARGET_DEFAULT & OPTION_MASK_64BIT
  42 #define OPT_ARCH64 "!" OPT_32
  43 #define OPT_ARCH32 OPT_32
  44 #else
  45 #define OPT_ARCH64 OPT_64
  46 #define OPT_ARCH32 "!" OPT_64
  47 #endif
  48
  49 /* Support for a compile-time default CPU, et cetera.  The rules are:
  50    --with-cpu is ignored if -mcpu is specified; likewise --with-cpu-32
  51      and --with-cpu-64.
  52    --with-tune is ignored if -mtune or -mcpu is specified; likewise
  53      --with-tune-32 and --with-tune-64.
  54    --with-float is ignored if -mhard-float or -msoft-float are
  55      specified.  */
  56 #define OPTION_DEFAULT_SPECS \
  57   {"abi", "%{!mabi=elfv*:-mabi=%(VALUE)}" }, \
  58   {"tune", "%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}" }, \
  59   {"tune_32", "%{" OPT_ARCH32 ":%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}}" }, \
  60   {"tune_64", "%{" OPT_ARCH64 ":%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}}" }, \
  61   {"cpu", "%{!mcpu=*:-mcpu=%(VALUE)}" }, \
  62   {"cpu_32", "%{" OPT_ARCH32 ":%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
  63   {"cpu_64", "%{" OPT_ARCH64 ":%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
  64   {"float", "%{!msoft-float:%{!mhard-float:-m%(VALUE)-float}}" }