obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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1 files changed, 195 insertions, 0 deletions

diff --git a/gcc/config/frv/frv-protos.h b/gcc/config/frv/frv-protos.h
new file mode 100644
index 000000000..04a3f9242
--- /dev/null
+++ b/gcc/config/frv/frv-protos.h
@@ -0,0 +1,195 @@
+/* Frv prototypes.
+   Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2007, 2008, 2009, 2010
+   Free Software Foundation, Inc.
+   Contributed by Red Hat, Inc.
+
+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 3, 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 COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+/* CPU type.  This must be identical to the cpu enumeration in frv.md.  */
+typedef enum frv_cpu
+{
+  FRV_CPU_GENERIC,
+  FRV_CPU_FR550,
+  FRV_CPU_FR500,
+  FRV_CPU_FR450,
+  FRV_CPU_FR405,
+  FRV_CPU_FR400,
+  FRV_CPU_FR300,
+  FRV_CPU_SIMPLE,
+  FRV_CPU_TOMCAT
+} frv_cpu_t;
+
+extern frv_cpu_t frv_cpu_type;			/* value of -mcpu= */
+
+/* Define functions defined in frv.c */
+extern void frv_expand_prologue			(void);
+extern void frv_expand_epilogue			(bool);
+extern frv_stack_t *frv_stack_info		(void);
+extern void frv_debug_stack			(frv_stack_t *);
+extern int frv_initial_elimination_offset	(int, int);
+
+#ifdef RTX_CODE
+extern int frv_legitimate_address_p_1		(enum machine_mode, rtx,
+						 int, int, int);
+extern rtx frv_find_base_term			(rtx);
+
+#ifdef TREE_CODE
+extern void frv_init_cumulative_args		(CUMULATIVE_ARGS *, tree,
+						 rtx, tree, int);
+
+extern bool frv_function_value_regno_p		(const unsigned int);
+#endif /* TREE_CODE */
+
+extern int frv_expand_block_move		(rtx *);
+extern int frv_expand_block_clear		(rtx *);
+extern rtx frv_dynamic_chain_address		(rtx);
+extern rtx frv_return_addr_rtx			(int, rtx);
+extern rtx frv_index_memory			(rtx, enum machine_mode, int);
+extern const char *frv_asm_output_opcode
+				 	(FILE *, const char *);
+extern void frv_final_prescan_insn	(rtx, rtx *, int);
+extern void frv_emit_move		(enum machine_mode, rtx, rtx);
+extern int frv_emit_movsi		(rtx, rtx);
+extern const char *output_move_single	(rtx *, rtx);
+extern const char *output_move_double	(rtx *, rtx);
+extern const char *output_condmove_single
+					(rtx *, rtx);
+extern int frv_emit_cond_branch		(rtx *);
+extern int frv_emit_scc			(rtx *);
+extern rtx frv_split_scc		(rtx, rtx, rtx, rtx, HOST_WIDE_INT);
+extern int frv_emit_cond_move		(rtx, rtx, rtx, rtx);
+extern rtx frv_split_cond_move		(rtx *);
+extern rtx frv_split_minmax		(rtx *);
+extern rtx frv_split_abs		(rtx *);
+extern void frv_split_double_load	(rtx, rtx);
+extern void frv_split_double_store	(rtx, rtx);
+#ifdef BB_HEAD
+extern void frv_ifcvt_init_extra_fields	(ce_if_block_t *);
+extern void frv_ifcvt_modify_tests	(ce_if_block_t *, rtx *, rtx *);
+extern void frv_ifcvt_modify_multiple_tests
+					(ce_if_block_t *, basic_block,
+					 rtx *, rtx *);
+extern rtx frv_ifcvt_modify_insn	(ce_if_block_t *, rtx, rtx);
+extern void frv_ifcvt_modify_final	(ce_if_block_t *);
+extern void frv_ifcvt_modify_cancel	(ce_if_block_t *);
+#endif
+extern enum reg_class frv_secondary_reload_class
+					(enum reg_class,
+					 enum machine_mode, rtx);
+extern int frv_hard_regno_mode_ok	(int, enum machine_mode);
+extern int frv_hard_regno_nregs		(int, enum machine_mode);
+extern int frv_class_max_nregs		(enum reg_class rclass,
+					 enum machine_mode mode);
+extern int frv_legitimate_constant_p	(rtx);
+extern enum machine_mode frv_select_cc_mode (enum rtx_code, rtx, rtx);
+#endif	/* RTX_CODE */
+
+extern int frv_trampoline_size		(void);
+extern int direct_return_p		(void);
+extern int frv_issue_rate		(void);
+extern int frv_acc_group		(rtx);
+
+#ifdef TREE_CODE
+extern int frv_adjust_field_align	(tree, int);
+#endif
+
+#ifdef RTX_CODE
+extern int integer_register_operand	(rtx, enum machine_mode);
+extern int frv_load_operand		(rtx, enum machine_mode);
+extern int gpr_or_fpr_operand		(rtx, enum machine_mode);
+extern int gpr_no_subreg_operand	(rtx, enum machine_mode);
+extern int gpr_or_int6_operand		(rtx, enum machine_mode);
+extern int fpr_or_int6_operand		(rtx, enum machine_mode);
+extern int gpr_or_int_operand		(rtx, enum machine_mode);
+extern int gpr_or_int12_operand		(rtx, enum machine_mode);
+extern int gpr_fpr_or_int12_operand	(rtx, enum machine_mode);
+extern int gpr_or_int10_operand		(rtx, enum machine_mode);
+extern int move_source_operand		(rtx, enum machine_mode);
+extern int move_destination_operand	(rtx, enum machine_mode);
+extern int condexec_source_operand	(rtx, enum machine_mode);
+extern int condexec_dest_operand	(rtx, enum machine_mode);
+extern int lr_operand			(rtx, enum machine_mode);
+extern int gpr_or_memory_operand	(rtx, enum machine_mode);
+extern int fpr_or_memory_operand	(rtx, enum machine_mode);
+extern int reg_or_0_operand		(rtx, enum machine_mode);
+extern int fcc_operand			(rtx, enum machine_mode);
+extern int icc_operand			(rtx, enum machine_mode);
+extern int cc_operand			(rtx, enum machine_mode);
+extern int fcr_operand			(rtx, enum machine_mode);
+extern int icr_operand			(rtx, enum machine_mode);
+extern int cr_operand			(rtx, enum machine_mode);
+extern int call_operand			(rtx, enum machine_mode);
+extern int fpr_operand			(rtx, enum machine_mode);
+extern int even_reg_operand		(rtx, enum machine_mode);
+extern int odd_reg_operand		(rtx, enum machine_mode);
+extern int even_gpr_operand		(rtx, enum machine_mode);
+extern int odd_gpr_operand		(rtx, enum machine_mode);
+extern int quad_fpr_operand		(rtx, enum machine_mode);
+extern int even_fpr_operand		(rtx, enum machine_mode);
+extern int odd_fpr_operand		(rtx, enum machine_mode);
+extern int dbl_memory_one_insn_operand	(rtx, enum machine_mode);
+extern int dbl_memory_two_insn_operand	(rtx, enum machine_mode);
+extern int int12_operand		(rtx, enum machine_mode);
+extern int int6_operand			(rtx, enum machine_mode);
+extern int int5_operand			(rtx, enum machine_mode);
+extern int uint5_operand		(rtx, enum machine_mode);
+extern int uint4_operand		(rtx, enum machine_mode);
+extern int uint1_operand		(rtx, enum machine_mode);
+extern int int_2word_operand		(rtx, enum machine_mode);
+extern int pic_register_operand		(rtx, enum machine_mode);
+extern int pic_symbolic_operand		(rtx, enum machine_mode);
+extern int small_data_register_operand	(rtx, enum machine_mode);
+extern int small_data_symbolic_operand	(rtx, enum machine_mode);
+extern int upper_int16_operand		(rtx, enum machine_mode);
+extern int uint16_operand		(rtx, enum machine_mode);
+extern int symbolic_operand		(rtx, enum machine_mode);
+extern int relational_operator		(rtx, enum machine_mode);
+extern int signed_relational_operator	(rtx, enum machine_mode);
+extern int unsigned_relational_operator	(rtx, enum machine_mode);
+extern int float_relational_operator	(rtx, enum machine_mode);
+extern int ccr_eqne_operator		(rtx, enum machine_mode);
+extern int minmax_operator		(rtx, enum machine_mode);
+extern int condexec_si_binary_operator	(rtx, enum machine_mode);
+extern int condexec_si_media_operator	(rtx, enum machine_mode);
+extern int condexec_si_divide_operator	(rtx, enum machine_mode);
+extern int condexec_si_unary_operator	(rtx, enum machine_mode);
+extern int condexec_sf_conv_operator	(rtx, enum machine_mode);
+extern int condexec_sf_add_operator	(rtx, enum machine_mode);
+extern int condexec_memory_operand	(rtx, enum machine_mode);
+extern int intop_compare_operator	(rtx, enum machine_mode);
+extern int acc_operand			(rtx, enum machine_mode);
+extern int even_acc_operand		(rtx, enum machine_mode);
+extern int quad_acc_operand		(rtx, enum machine_mode);
+extern int accg_operand			(rtx, enum machine_mode);
+extern rtx frv_matching_accg_for_acc	(rtx);
+extern void frv_expand_fdpic_call	(rtx *, bool, bool);
+extern rtx frv_gen_GPsym2reg		(rtx, rtx);
+extern int frv_legitimate_memory_operand (rtx, enum machine_mode, int);
+
+/* Information about a relocation unspec.  SYMBOL is the relocation symbol
+   (a SYMBOL_REF or LABEL_REF), RELOC is the type of relocation and OFFSET
+   is the constant addend.  */
+struct frv_unspec {
+  rtx symbol;
+  int reloc;
+  HOST_WIDE_INT offset;
+};
+
+extern bool frv_const_unspec_p (rtx, struct frv_unspec *);
+
+#endif
+