gcc/config/mips/r3900.h

   1 /* Definitions of MIPS sub target machine for GNU compiler.
   2    Toshiba r3900.  You should include mips.h after this.
   3
   4    Copyright (C) 1989, 90-6, 1997 Free Software Foundation, Inc.
   5    Contributed by Gavin Koch (gavin@cygnus.com).
   6
   7 This file is part of GNU CC.
   8
   9 GNU CC is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 2, or (at your option)
  12 any later version.
  13
  14 GNU CC is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with GNU CC; see the file COPYING.  If not, write to
  21 the Free Software Foundation, 59 Temple Place - Suite 330,
  22 Boston, MA 02111-1307, USA.  */
  23
  24 #define SUBTARGET_CPP_SPEC "\
  25 %{!mabi=32: %{!mabi=n32: %{!mabi=64: -D__mips_eabi}}} \
  26 %{!msingle-float:-D__mips_soft_float} \
  27 %{mhard-float:%e-mhard-float not supported.} \
  28 %{msingle-float:%{msoft-float: \
  29   %e-msingle-float and -msoft-float can not both be specified.}}"
  30
  31 /* The following is needed because -mips3 and -mips4 set gp64 which in
  32    combination with abi=eabi, causes long64 to be set. */
  33 #define SUBTARGET_CPP_SIZE_SPEC "\
  34 %{mips3:-D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int} \
  35 %{mips4:-D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int} \
  36 %{!mips3:%{!mips4:%{!m4650:\
  37   -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int}}} "
  38
  39 /* by default (if not mips-something-else) produce code for the r3900 */
  40 #define SUBTARGET_CC1_SPEC "\
  41 %{mhard-float:%e-mhard-float not supported.} \
  42 %{msingle-float:%{msoft-float: \
  43   %e-msingle-float and -msoft-float can not both be specified.}}"
  44
  45 #define TARGET_DEFAULT (MASK_SOFT_FLOAT | MASK_MIPS3900)
  46 #define MIPS_CPU_STRING_DEFAULT "R3900"
  47 #define MIPS_ISA_DEFAULT 1
  48
  49 #define MULTILIB_DEFAULTS { "EB", "mips1", "msoft-float" }
  50
  51 /* We use the MIPS EABI by default.  */
  52 #define MIPS_ABI_DEFAULT ABI_EABI
  53
  54
  55 /* Debugging */
  56
  57 #define DWARF2_DEBUGGING_INFO
  58 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
  59
  60 /* For the 'preferred' cases ("gN" and "ggdbN") we need to tell the
  61    gnu assembler "dwarf-2" */
  62
  63 #define SUBTARGET_ASM_DEBUGGING_SPEC "\
  64 %{!mmips-as: \
  65   %{g:-gdwarf-2} %{g0:-gdwarf-2} %{g1:-gdwarf-2} %{g2:-gdwarf-2} %{g3:-gdwarf-2} \
  66   %{ggdb:-gdwarf-2} %{ggdb0:-gdwarf-2} %{ggdb1:-gdwarf-2} %{ggdb2:-gdwarf-2} %{ggdb3:-gdwarf-2} \
  67   %{gdwarf-2*:-gdwarf-2}} \
  68 %{gstabs:-g} %{gstabs0:-g0} %{gstabs1:-g1} %{gstabs2:-g2} %{gstabs3:-g3} \
  69 %{gstabs+:-g} %{gstabs+0:-g0} %{gstabs+1:-g1} %{gstabs+2:-g2} %{gstabs+3:-g3} \
  70 %{gcoff:-g} %{gcoff0:-g0} %{gcoff1:-g1} %{gcoff2:-g2} %{gcoff3:-g3}"
  71