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, 172 insertions, 0 deletions

diff --git a/gcc/config/pa/pa-protos.h b/gcc/config/pa/pa-protos.h
new file mode 100644
index 000000000..53dcda009
--- /dev/null
+++ b/gcc/config/pa/pa-protos.h
@@ -0,0 +1,172 @@
+/* Prototypes for pa.c functions used in the md file & elsewhere.
+   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2010
+   Free Software Foundation,
+   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/>.  */
+
+#ifdef RTX_CODE
+/* Prototype function used in various macros.  */
+extern int symbolic_operand (rtx, enum machine_mode);
+extern int tls_symbolic_operand (rtx);
+extern rtx pa_eh_return_handler_rtx (void);
+
+/* Used in insn-*.c.  */
+extern int following_call (rtx);
+extern int function_label_operand (rtx, enum machine_mode);
+extern int lhs_lshift_cint_operand (rtx, enum machine_mode);
+
+/* Define functions in pa.c and used in insn-output.c.  */
+
+extern const char *output_and (rtx *);
+extern const char *output_ior (rtx *);
+extern const char *output_move_double (rtx *);
+extern const char *output_fp_move_double (rtx *);
+extern const char *output_block_move (rtx *, int);
+extern const char *output_block_clear (rtx *, int);
+extern const char *output_cbranch (rtx *, int, rtx);
+extern const char *output_lbranch (rtx, rtx, int);
+extern const char *output_bb (rtx *, int, rtx, int);
+extern const char *output_bvb (rtx *, int, rtx, int);
+extern const char *output_dbra (rtx *, rtx, int);
+extern const char *output_movb (rtx *, rtx, int, int);
+extern const char *output_parallel_movb (rtx *, rtx);
+extern const char *output_parallel_addb (rtx *, rtx);
+extern const char *output_call (rtx, rtx, int);
+extern const char *output_indirect_call (rtx, rtx);
+extern const char *output_millicode_call (rtx, rtx);
+extern const char *output_mul_insn (int, rtx);
+extern const char *output_div_insn (rtx *, int, rtx);
+extern const char *output_mod_insn (int, rtx);
+extern const char *singlemove_string (rtx *);
+extern void output_arg_descriptor (rtx);
+extern void output_global_address (FILE *, rtx, int);
+extern void print_operand (FILE *, rtx, int);
+extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx);
+extern void hppa_encode_label (rtx);
+extern int arith11_operand (rtx, enum machine_mode);
+extern int adddi3_operand (rtx, enum machine_mode);
+extern int indexed_memory_operand (rtx, enum machine_mode);
+extern int symbolic_expression_p (rtx);
+extern int symbolic_memory_operand (rtx, enum machine_mode);
+extern bool pa_tls_referenced_p (rtx);
+extern int pa_adjust_insn_length (rtx, int);
+extern int int11_operand (rtx, enum machine_mode);
+extern int reg_or_cint_move_operand (rtx, enum machine_mode);
+extern int arith5_operand (rtx, enum machine_mode);
+extern int uint5_operand (rtx, enum machine_mode);
+extern int pic_label_operand (rtx, enum machine_mode);
+extern int plus_xor_ior_operator (rtx, enum machine_mode);
+extern int borx_reg_operand (rtx, enum machine_mode);
+extern int shadd_operand (rtx, enum machine_mode);
+extern int arith_operand (rtx, enum machine_mode);
+extern int read_only_operand (rtx, enum machine_mode);
+extern int move_dest_operand (rtx, enum machine_mode);
+extern int move_src_operand (rtx, enum machine_mode);
+extern int prefetch_cc_operand (rtx, enum machine_mode);
+extern int prefetch_nocc_operand (rtx, enum machine_mode);
+extern int and_operand (rtx, enum machine_mode);
+extern int arith32_operand (rtx, enum machine_mode);
+extern int uint32_operand (rtx, enum machine_mode);
+extern int reg_before_reload_operand (rtx, enum machine_mode);
+extern int reg_or_0_operand (rtx, enum machine_mode);
+extern int reg_or_0_or_nonsymb_mem_operand (rtx, enum machine_mode);
+extern int pre_cint_operand (rtx, enum machine_mode);
+extern int post_cint_operand (rtx, enum machine_mode);
+extern int div_operand (rtx, enum machine_mode);
+extern int int5_operand (rtx, enum machine_mode);
+extern int movb_comparison_operator (rtx, enum machine_mode);
+extern int ireg_or_int5_operand (rtx, enum machine_mode);
+extern int fmpyaddoperands (rtx *);
+extern int fmpysuboperands (rtx *);
+extern int call_operand_address (rtx, enum machine_mode);
+extern void emit_bcond_fp (rtx[]);
+extern int emit_move_sequence (rtx *, enum machine_mode, rtx);
+extern int emit_hpdiv_const (rtx *, int);
+extern int is_function_label_plus_const (rtx);
+extern int jump_in_call_delay (rtx);
+extern int hppa_fpstore_bypass_p (rtx, rtx);
+extern int attr_length_millicode_call (rtx);
+extern int attr_length_call (rtx, int);
+extern int attr_length_indirect_call (rtx);
+extern int attr_length_save_restore_dltp (rtx);
+
+/* Declare functions defined in pa.c and used in templates.  */
+
+extern struct rtx_def *return_addr_rtx (int, rtx);
+
+extern int fp_reg_operand (rtx, enum machine_mode);
+extern int arith_double_operand (rtx, enum machine_mode);
+extern int ireg_operand (rtx, enum machine_mode);
+extern int lhs_lshift_operand (rtx, enum machine_mode);
+extern int pc_or_label_operand (rtx, enum machine_mode);
+#ifdef ARGS_SIZE_RTX
+/* expr.h defines ARGS_SIZE_RTX and `enum direction' */
+#ifdef TREE_CODE
+extern enum direction function_arg_padding (enum machine_mode, const_tree);
+#endif
+#endif /* ARGS_SIZE_RTX */
+extern int non_hard_reg_operand (rtx, enum machine_mode);
+extern int eq_neq_comparison_operator (rtx, enum machine_mode);
+extern int insn_refs_are_delayed (rtx);
+extern rtx get_deferred_plabel (rtx);
+#endif /* RTX_CODE */
+
+extern int integer_store_memory_operand (rtx, enum machine_mode);
+extern int ldil_cint_p (HOST_WIDE_INT);
+extern int zdepi_cint_p (unsigned HOST_WIDE_INT);
+
+extern void output_ascii (FILE *, const char *, int);
+extern HOST_WIDE_INT compute_frame_size (HOST_WIDE_INT, int *);
+extern int and_mask_p (unsigned HOST_WIDE_INT);
+extern int cint_ok_for_move (HOST_WIDE_INT);
+extern void hppa_expand_prologue (void);
+extern void hppa_expand_epilogue (void);
+extern bool pa_can_use_return_insn (void);
+extern int ior_mask_p (unsigned HOST_WIDE_INT);
+extern void compute_zdepdi_operands (unsigned HOST_WIDE_INT,
+				     unsigned *);
+#ifdef RTX_CODE
+extern const char * output_64bit_and (rtx *);
+extern const char * output_64bit_ior (rtx *);
+extern int cmpib_comparison_operator (rtx, enum machine_mode);
+#endif
+
+
+/* Miscellaneous functions in pa.c.  */
+#ifdef TREE_CODE
+extern int reloc_needed (tree);
+extern bool pa_return_in_memory (const_tree, const_tree);
+#endif /* TREE_CODE */
+
+extern void pa_asm_output_aligned_bss (FILE *, const char *,
+				       unsigned HOST_WIDE_INT,
+				       unsigned int);
+extern void pa_asm_output_aligned_common (FILE *, const char *,
+					  unsigned HOST_WIDE_INT,
+					  unsigned int);
+extern void pa_asm_output_aligned_local (FILE *, const char *,
+					 unsigned HOST_WIDE_INT,
+					 unsigned int);
+extern void pa_hpux_asm_output_external (FILE *, tree, const char *);
+extern bool pa_cannot_change_mode_class (enum machine_mode, enum machine_mode,
+					 enum reg_class);
+extern bool pa_modes_tieable_p (enum machine_mode, enum machine_mode);
+extern HOST_WIDE_INT pa_initial_elimination_offset (int, int);
+
+extern const int magic_milli[];
+extern int shadd_constant_p (int);