Initial revision

From-SVN: r14831

gcc/config/mips/r3900.h

+/* Definitions of MIPS sub target machine for GNU compiler. 
+   Toshiba r3900.  You should include mips.h after this.
+
+   Copyright (C) 1989, 90-6, 1997 Free Software Foundation, Inc.
+   Contributed by Gavin Koch (gavin@cygnus.com).
+
+This file is part of GNU CC.
+
+GNU CC 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.
+
+GNU CC 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 GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#define SUBTARGET_CPP_SPEC "\
+%{!mabi=32: %{!mabi=n32: %{!mabi=64: -D__mips_eabi}}} \
+%{!msingle-float:-D__mips_soft_float} \
+%{mhard-float:%e-mhard-float not supported.} \
+%{msingle-float:%{msoft-float: \
+  %e-msingle-float and -msoft-float can not both be specified.}}"
+
+/* The following is needed because -mips3 and -mips4 set gp64 which in
+   combination with abi=eabi, causes long64 to be set. */
+#define SUBTARGET_CPP_SIZE_SPEC "\
+%{mips3:-D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int} \
+%{mips4:-D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int} \
+%{!mips3:%{!mips4:%{!m4650:\
+  -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int}}} "
+
+/* by default (if not mips-something-else) produce code for the r3900 */
+#define SUBTARGET_CC1_SPEC "\
+%{mhard-float:%e-mhard-float not supported.} \
+%{msingle-float:%{msoft-float: \
+  %e-msingle-float and -msoft-float can not both be specified.}}"
+
+#define TARGET_DEFAULT (MASK_SOFT_FLOAT | MASK_MIPS3900)
+#define MIPS_CPU_STRING_DEFAULT "R3900"
+#define MIPS_ISA_DEFAULT 1
+
+#define MULTILIB_DEFAULTS { "EB", "mips1", "msoft-float" }
+
+/* We use the MIPS EABI by default.  */
+#define MIPS_ABI_DEFAULT ABI_EABI
+
+
+/* Debugging */
+
+#define DWARF2_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+
+/* For the 'preferred' cases ("gN" and "ggdbN") we need to tell the 
+   gnu assembler "dwarf-2" */
+   
+#define SUBTARGET_ASM_DEBUGGING_SPEC "\
+%{!mmips-as: \
+  %{g:-gdwarf-2} %{g0:-gdwarf-2} %{g1:-gdwarf-2} %{g2:-gdwarf-2} %{g3:-gdwarf-2} \
+  %{ggdb:-gdwarf-2} %{ggdb0:-gdwarf-2} %{ggdb1:-gdwarf-2} %{ggdb2:-gdwarf-2} %{ggdb3:-gdwarf-2} \
+  %{gdwarf-2*:-gdwarf-2}} \
+%{gstabs:-g} %{gstabs0:-g0} %{gstabs1:-g1} %{gstabs2:-g2} %{gstabs3:-g3} \
+%{gstabs+:-g} %{gstabs+0:-g0} %{gstabs+1:-g1} %{gstabs+2:-g2} %{gstabs+3:-g3} \
+%{gcoff:-g} %{gcoff0:-g0} %{gcoff1:-g1} %{gcoff2:-g2} %{gcoff3:-g3}"
+