config.gcc: Add m32c-elf support.

* config.gcc: Add m32c-elf support.

* doc/contrib.texi: Mention m32c.
* doc/extend.texi: Document m32c extensions.
* doc/install.texi: Mention m32c.
* doc/invoke.texi: Document m32c options.
* doc/md.texi: Document m32c constraints.

* config/m32c/addsub.md: New file.
* config/m32c/bitops.md: New file.
* config/m32c/cond.md: New file.
* config/m32c/jump.md: New file.
* config/m32c/m32c-lib1.S: New file.
* config/m32c/m32c-lib2.c: New file.
* config/m32c/m32c-modes.def: New file.
* config/m32c/m32c-pragma.c: New file.
* config/m32c/m32c-protos.h: New file.
* config/m32c/m32c.abi: New file.
* config/m32c/m32c.c: New file.
* config/m32c/m32c.h: New file.
* config/m32c/m32c.md: New file.
* config/m32c/m32c.opt: New file.
* config/m32c/minmax.md: New file.
* config/m32c/mov.md: New file.
* config/m32c/muldiv.md: New file.
* config/m32c/predicates.md: New file.
* config/m32c/prologue.md: New file.
* config/m32c/shift.md: New file.
* config/m32c/t-m32c: New file.

From-SVN: r102207

1 files changed, 105 insertions, 0 deletions

diff --git a/gcc/config/m32c/m32c-protos.h b/gcc/config/m32c/m32c-protos.h
new file mode 100644
index 0000000..ebc4526
--- /dev/null
+++ b/gcc/config/m32c/m32c-protos.h
@@ -0,0 +1,105 @@
+/* Target Prototypes for R8C/M16C/M32C
+   Copyright (C) 2005
+   Free Software Foundation, Inc.
+   Contributed by Red Hat.
+
+   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 2, 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 COPYING.  If not, write to the Free
+   Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+#define MM enum machine_mode
+#define UINT unsigned int
+
+int  m32c_class_likely_spilled_p (int);
+void m32c_conditional_register_usage (void);
+int  m32c_const_ok_for_constraint_p (HOST_WIDE_INT, char, const char *);
+UINT m32c_dwarf_frame_regnum (int);
+int  m32c_eh_return_data_regno (int);
+void m32c_emit_epilogue (void);
+void m32c_emit_prologue (void);
+int  m32c_epilogue_uses (int);
+int  m32c_extra_address_constraint (char, const char *);
+int  m32c_extra_memory_constraint (char, const char *);
+int  m32c_function_arg_regno_p (int);
+void m32c_init_expanders (void);
+int  m32c_initial_elimination_offset (int, int);
+void m32c_output_reg_pop (FILE *, int);
+void m32c_output_reg_push (FILE *, int);
+void m32c_override_options (void);
+int  m32c_print_operand_punct_valid_p (int);
+int  m32c_push_rounding (int);
+int  m32c_reg_class_from_constraint (char, const char *);
+void m32c_register_pragmas (void);
+int  m32c_regno_ok_for_base_p (int);
+int  m32c_trampoline_alignment (void);
+int  m32c_trampoline_size (void);
+
+#if defined(RTX_CODE) && defined(TREE_CODE)
+
+rtx  m32c_function_arg (CUMULATIVE_ARGS *, MM, tree, int);
+rtx  m32c_function_value (tree, tree);
+
+#endif
+
+#ifdef RTX_CODE
+
+int  m32c_cannot_change_mode_class (MM, MM, int);
+int  m32c_class_max_nregs (int, MM);
+rtx  m32c_eh_return_stackadj_rtx (void);
+void m32c_emit_eh_epilogue (rtx);
+int  m32c_extra_constraint_p (rtx, char, const char *);
+int  m32c_extra_constraint_p2 (rtx, char, const char *);
+int  m32c_hard_regno_nregs (int, MM);
+int  m32c_hard_regno_ok (int, MM);
+rtx  m32c_incoming_return_addr_rtx (void);
+void m32c_initialize_trampoline (rtx, rtx, rtx);
+int  m32c_legitimate_address_p (MM, rtx, int);
+int  m32c_legitimate_constant_p (rtx);
+int  m32c_legitimize_address (rtx *, rtx, MM);
+int  m32c_legitimize_reload_address (rtx *, MM, int, int, int);
+rtx  m32c_libcall_value (MM);
+int  m32c_limit_reload_class (MM, int);
+int  m32c_memory_move_cost (MM, int, int);
+int  m32c_mode_dependent_address (rtx);
+int  m32c_modes_tieable_p (MM, MM);
+bool m32c_mov_ok (rtx *, MM);
+int  m32c_preferred_output_reload_class (rtx, int);
+int  m32c_preferred_reload_class (rtx, int);
+int  m32c_prepare_move (rtx *, MM);
+int  m32c_prepare_shift (rtx *, int, int);
+void m32c_print_operand (FILE *, rtx, int);
+void m32c_print_operand_address (FILE *, rtx);
+int  m32c_reg_ok_for_base_p (rtx, int);
+int  m32c_register_move_cost (MM, int, int);
+MM   m32c_regno_reg_class (int);
+rtx  m32c_return_addr_rtx (int);
+int  m32c_secondary_reload_class (int, MM, rtx);
+int  m32c_split_move (rtx *, MM, int);
+int  m32c_split_psi_p (rtx *);
+
+#endif
+
+#ifdef TREE_CODE
+
+void m32c_function_arg_advance (CUMULATIVE_ARGS *, MM, tree, int);
+tree m32c_gimplify_va_arg_expr (tree, tree, tree *, tree *);
+void m32c_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, int);
+bool m32c_promote_function_return (tree);
+
+#endif
+
+#undef MM
+#undef UINT