From-SVN: r29514

From-SVN: r29455

From-SVN: r29361

From-SVN: r29358

From-SVN: r29349

        * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
        (strength_reduce): Release the varrays from the no-bivs early exit.

        * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
        the loop over the registers.

        * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
        for a new obstack.
        (restore_tree_status): Check that instead when freeing the obstack.

From-SVN: r29270

	* gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
	ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
	ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
	ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.

	* c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.

	* cccp.c (pcfinclude): Likewise.

	* global.c (allocno_compare): Likewise.

	* haifa-sched.c (rank_for_schedule): Likewise.

	* local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.

	* reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.

	* stupid.c (stupid_reg_compare): Likewise.

	* tree.c (_obstack_allocated_p): Likewise.

	* varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.

From-SVN: r29208

From-SVN: r29150

	* c-aux-info.c (concat): Don't define.

	* cccp.c (my_strerror): Likewise.  All callers changed to use
	xstrerror instead.
	(do_include): Call xstrdup, not xmalloc/strcpy.
	(grow_outbuf): Don't check if xrealloc returns NULL, it can't.
	(xmalloc, xrealloc, xcalloc, xstrdup): Don't define.

	* collect2.c (my_strsignal): Likewise.  All callers changed to use
	strsignal instead.
	(locatelib): Call xstrdup, not xmalloc/strcpy.

	* 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.

	* dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.

	* i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.

	* mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.

	* cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.

	* dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...

	* except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
	malloc/realloc.
	(find_all_handler_type_matches): Likewise.  Don't check return
	value.
	(get_new_handler, init_insn_eh_region, process_nestinfo): Call
	xmalloc, not malloc.
	(init_eh_nesting_info): Likewise.  Call xcalloc, not xmalloc/bzero.

	* gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
	(init_spec): Call xcalloc, not xmalloc/bzero.
	(set_spec): Call xstrdup, not save_string.
	(record_temp_file): Call xstrdup, not xmalloc/strcpy.
	(find_a_file): Call xstrdup, not xmalloc/strcpy.
	(process_command): Call xstrdup, not save_string.
	(main): Call xcalloc, not xmalloc/bzero.

	* gcov.c (xmalloc): Don't define.
	(create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
	(scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
	(output_data): Call xcalloc, not xmalloc/bzero.

	* haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.

	* mips-tdump.c (xmalloc): Don't define.
	(print_symbol): Call xmalloc, not malloc.
	(read_tfile): Call xcalloc, not calloc.

	* mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
	Don't define.  All callers of xfree/my_strsignal changed to use
	free/strsignal instead.
	(allocate_cluster): Call xcalloc, not calloc.

	* objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
	Fix memory leak, free allocated memory.

	* prefix.c (translate_name): Call xstrdup, not save_string.
	(update_path): Likewise.

	* profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.

	* protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
	Don't define.  Callers of xfree/savestring2 changed to use
	free/concat instead.

	* reload1.c (reload): Call xcalloc, not xmalloc/bzero.
	(init_elim_table): Likewise.

	* resource.c (init_resource_info): Likewise.

	* stupid.c (stupid_life_analysis): Likewise.

	* toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
	(open_dump_file): Call concat, not xmalloc/strcpy/...
	(clean_dump_file): Likewise.
	(compile_file): Call xstrdup, not xmalloc/strcpy.

From-SVN: r29148

        * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
        reg notes on a deleted insn.
        * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.

From-SVN: r29076

From-SVN: r29027

rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and bounds- check RTL accesses if --enable-checking.

1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>

	* rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
	bounds- check RTL accesses if --enable-checking.
	(RTVEC_ELT): Bounds check if --enable-checking.
	(XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
	XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
	(XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
	GET_NUM_ELEM.
	(X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
	X0BBDEF, X0ADVFLAGS):  New macros for accessing '0' slots of RTXes.

	(ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
	(NOTE_SOURCE_FILE): Use X0STR.
	(NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
	MEM_ALIAS_SET): Use X0INT.
	(NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
	JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
	Use X0EXP.
	* real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
	* rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
	(rtl_check_failed_bounds, rtl_check_failed_type1,
	rtl_check_failed_type2, rtvec_check_failed_bounds): New
	functions.
	(fancy_abort): Fix comment.

	* cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
	(cse_insn): Decrement LABEL_NUSES for jump target before
	deleting jump insn.
	* emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
	* final.c (alter_subreg): Compute regno before changing x to
	REG; set REGNO(x) after changing it.
	* flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
	notes containing CONST_INTs.
	(delete_eh_regions): Use NOTE_EH_HANDLER.
	* function.c (put_reg_into_stack): Make reg a MEM before
	initializing it.
	(fixup_var_refs_insns):  Save REG_NOTES (insn) in case we
	delete insn.
	(gen_mem_addressof): Make reg a MEM before initializing it.
	* integrate.c (copy_rtx_and_substitute): Copy '0' slots with
	X0WINT.
	* local-alloc.c (update_equiv_regs): Zap REG_NOTES before
	deleting an insn, not after.
	(block_alloc): Only look at PATTERN(insn) if we have to, and
	only if it's format class 'i'.
	* loop.c (check_dbra_loop): Check bl->biv->add_val is a
	CONST_INT before using its INTVAL.
	* print-rtl.c (print_rtx): Use X0STR.
	* regmove.c (fixup_match_1): Don't look at PATTERN of
	non-class-'i' insn chain elements.
	* reload.c (loc_mentioned_in_p): Take address of
	in->fld[1].rtx directly.
	* reload1.c (reload): Change reg to a MEM before initializing
	it.
	* varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
	have no names.
	* config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.

From-SVN: r29008

	* calls.c (emit_call_1): Mark parameter `stack_size' with
	ATTRIBUTE_UNUSED.
	(expand_call): Initialize variable `insn'.
	(emit_library_call): Likewise for variable `high_to_save'.
	(emit_library_call_value): Likewise.
	(store_one_arg): Likewise for variables `lower_bound' and
	`upper_bound'.

	* combine.c (try_combine): Likewise for variables `i2_code_number'
	and `other_code_number'.
	(find_split_point): Likewise for variables `pos', `unsignedp' and
	`inner'.
	(simplify_if_then_else): Likewise for variables `op' and `c1'.
	(simplify_and_const_int): Remove unused variable `width'.
	(merge_outer_ops): Likewise.

	* cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
	HOST_WIDE_INT' when comparing against one.
	(simplify_relational_operation): Likewise.
	(cse_insn): Initialize variables `src_eqv_volatile',
	`src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.

	* final.c (init_final): Constify parameter `filename'.
	(final_start_function): Mark parameter `optimize' with
	ATTRIBUTE_UNUSED.
	(profile_function): Likewise for parameters `first' and `optimize'.
	(output_source_line): Likewise for parameter `file'.

	* integrate.c (subst_constants): Cast a value to `size_t' when
	comparing against one.
	(mark_stores): Initialize variable `mode'.  Cast a value to
	`size_t' when comparing against one.

	* integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.

	* loop.c (move_movables): Initialize variable `first'.
	(strength_reduce): Likewise for variable `increment'.
	(check_dbra_loop): Likewise for variable `comparison_val'.  Cast a
	value to `size_t' when comparing against one.
	(load_mems): Initialize variable `end_label'.

	* output.h (init_final): Constify parameter.

	* reload.c (decompose): Initialize variable `base'.

	* reload1.c (reload): Likewise for variable `is_scalar'.
	(spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
	(choose_reload_regs): Initialize variable `mode'.
	(emit_reload_insns): Likewise for variable `store_insn'.
	(reload_cse_noop_set_p): Mark parameter `insn' with
	ATTRIBUTE_UNUSED.
	(reload_combine): Initialize variable `set'.

	* unroll.c (unroll_loop): Likewise for variable `local_label'.
	(copy_loop_body): Cast a value to `size_t' when comparing against
	one.

	* varasm.c (assemble_variable): Initialize variable `size_tree'.
	(const_hash): Add an `else abort()' in an if-else-if-else sequence.
	(remove_from_pending_weak_list): Mark parameter `name' with
	ATTRIBUTE_UNUSED.

From-SVN: r28860

	* rtl.h (rtx_format): Constify a char*.

	* rtl.c (rtx_format): Likewise.
	(copy_rtx, copy_most_rtx, read_rtx): Likewise.
	(init_rtl): Use accessor macro, not `rtx_format'.

	* alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
	char*.

	* caller-save.c (mark_referenced_regs): Likewise.

	* combine.c (subst, make_compound_operation, known_cond,
	gen_rtx_combine, update_table_tick, get_last_value_validate,
	use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.

	* cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
	refers_to_p, canon_reg, fold_rtx, cse_process_notes,
	count_reg_usage): Likewise.

	* emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
	Likewise.

	* final.c (leaf_renumber_regs_insn): Likewise.

	* flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
	dump_edge_info, count_reg_references): Likewise.

	* function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
	fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
	Likewise.

	* gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
	oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
	add_label_notes): Likewise.

	* genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
	clear_struct_flag, count_sub_rtxs, count_alternatives,
	compares_alternatives_p, contained_in_p, walk_attr_value,
	write_expr_attr_cache): Likewise.

	* genconfig.c (walk_insn_part): Likewise.

	* genemit.c (max_operand_1, gen_exp): Likewise.

	* genextract.c (walk_rtx): Likewise.

	* genflags.c (num_operands): Likewise.

	* genoutput.c (scan_operands): Likewise.

	* genpeep.c (match_rtx): Likewise.

	* genrecog.c (add_to_sequence): Likewise.

	* haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
	Likewise.

	* integrate.c (save_constants, copy_for_inline,
	copy_rtx_and_substitute, subst_constants, restore_constants):
	Likewise.

	* jump.c  (mark_jump_label, invert_exp, redirect_exp,
	rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.

	* local-alloc.c (contains_replace_regs, memref_referenced_p):
	Likewise.

	* loop.c (record_excess_regs, rtx_equal_for_loop_p,
	add_label_notes, replace_call_address, count_nonfixed_reads,
	invariant_p, find_single_use_in_loop, find_mem_givs,
	find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
	Likewise.

	* print-rtl.c (reg_names, print_rtx): Likewise.

	* recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.

	* reg-stack.c (stack_regs_mentioned_p, record_label_references,
	record_reg_life_pat, swap_rtx_condition, goto_block_pat,
	print_blocks): Likewise.

	* regclass.c (fix_register, record_address_regs,
	reg_scan_mark_refs): Likewise.

	* regmove.c (stable_but_for_p): Likewise.

	* reload.c (loc_mentioned_in_p, operands_match_p,
	find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
	copy_replacements, refers_to_regno_for_reload_p,
	refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
	reload_when_needed_name, reg_class_names, debug_reload_to_stream):
	Likewise.

	* reload1.c (eliminate_regs, scan_paradoxical_subregs,
	delete_address_reloads_1, count_occurrences,
	reload_cse_mem_conflict_p, reload_combine_note_use,
	add_auto_inc_notes): Likewise.

	* resource.c (mark_referenced_resources, mark_set_resources):
	Likewise.

	* rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
	reg_mentioned_p, regs_set_between_p, modified_between_p,
	modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
	rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
	may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
	jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.

	* sched.c (sched_analyze_2, attach_deaths): Likewise.

	* stupid.c (stupid_mark_refs): Likewise.

	* unroll.c (remap_split_bivs): Likewise.

	* varasm.c (mark_constants): Likewise.

	* a29k/a29k.c (uses_local_reg_p): Likewise.

	* alpha/alpha.c (summarize_insn): Likewise.

	* arm/arm.c (symbol_mentioned_p, label_mentioned_p,
	eliminate_lr2ip): Likewise.

	* arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.

	* i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
	reg_mentioned_in_mem): Likewise.

	* ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
	symbolic_reference_mentioned_p): Likewise.

	* romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.

	* sh/sh.c (regs_used, mark_use): Likewise.

	* vax/vax.c (vax_rtx_cost): Likewise.

From-SVN: r28784

	* machmode.h (mode_name): Constify a char*.

	* rtl.c (mode_name): Likewise.

	* genopinit.c (gen_insn): Use accessor macro, not `mode_name'.

	* optabs.c (init_libfuncs): Constify a char*.

	* print-tree.c (mode_name): Remove redundant declaration.
	(print_node): Use accessor macro, not `mode_name'.

	* reload1.c (dump_needs): Constify a char*.  Use accessor macro,
	not `mode_name'.
	(new_spill_reg): Constify a char*.

	* tree.c (mode_name): Remove redundant declaration.

From-SVN: r28783

1999-08-19 14:44 -0700  Zack Weinberg  <zack@bitmover.com>

	* rtl.def (NOTE): Change format to "iuu0n".
	(ADDR_DIFF_VEC): Change format to "eEee0".
	(ADDRESSOF): Change format to "eit".

	* rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
	(RTVEC_ELT): Change to match.
	(XVECEXP): Use XVEC and RTVEC_ELT.
	(INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
	ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
	(PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
	CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
	TRAP_CONDITION, TRAP_CODE): Use XEXP.
	(INTVAL): Use XWINT.
	(ADDRESSOF_DECL): Use XTREE.
	(SET_ADDRESSOF_DECL): Delete.
	(NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
	NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill.  These have been
	ifdefed out since 2.6 at least.
	(gen_rtvec_vv): Delete prototype.

	* rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
	not rtunion.
	(copy_most_rtx): Handle 't' format letter.
	* emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
	(gen_rtvec_vv): Delete function.  All callers changed to use
	gen_rtvec_v instead.
	* print-rtl.c (print_rtx): Move special casing of NOTEs to
	the '0' format letter.

	* function.c (gen_mem_addressof): Don't use
	SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
	instead.
	* integrate.c (copy_rtx_and_substitute): Likewise.
	Copy 't' slots with XTREE.
	(subst_constants): Treat 't' slots like '[swi]' slots.
	* cse.c (canon_hash, exp_equiv_p): Treat 't' slots like	'0' slots.
	* jump.c (rtx_equal_for_thread_p): Likewise.
	* rtlanal.c (rtx_equal_p): Likewise.
	* stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
	only four arguments.
	* gengenrtl.c (type_from_format): Provide correct types for
	'b' and 't' slots.


	* tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
	If a recent gcc is in use (always in stage2 and beyond), use
	statement expressions, so we don't make a function call unless
	the check fails.  Evaluate arguments exactly once.
	(CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
	TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
	Delete.
	(CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
	they evaluate their arguments exactly once, irrespective of
	the compiler in use.

	* tree.c [ENABLE_CHECKING]: Define whichever set of functions
	is used by the currently-enabled check macros.  This is:
	(tree_check_failed, tree_class_check_failed): For gcc.
	(tree_check, tree_class_check, cst_or_constructor_check,
	expr_check): For other compilers.

	* gencheck.c: Do not define any *_CHECK1 macros.

From-SVN: r28769

Include function.h in most files.  Remove most of the global variables
duplicated in function.h.  Add accessor macros for them which access
current_function.  Delete INLINE_HEADER rtx and related code, replace
with code using struct function to store inlining related data.

From-SVN: r28626

From-SVN: r28538

From-SVN: r28462

reload1.c (choose_reload_regs): Never call remove_adress_replacements when reload_out equals reload_in.

	* reload1.c (choose_reload_regs): Never call remove_adress_replacements
	when reload_out equals reload_in.

From-SVN: r28008

�
        * reload1.c (gen_reload): When synthesizing a 3 operand add
        sequence, improve test for when to reload OP1 into the reload
        register instead of OP0.

From-SVN: r27987

        * reload1.c (gen_mode_int): New function.
        (reload_cse_move2add): Use it to generate the new constants.

From-SVN: r26834

        * reload1.c (emit_reload_insns): Also find equivalent mems
        for subregs of pseudos.

From-SVN: r26444

        * cse.c (flush_hash_table): New function.
        (cse_insn): Flush the hash table when we encounter a volatile asm.
        (cse_basic_block): Use flush_hash_table instead of doing it
        inline.
        * reload1.c (reload_cse_regs_1): Flush known register values if
        we encounter a volatile asm.

From-SVN: r26304

From-SVN: r26042

	reload1.c (choose_reload_regs): If output-reloading for a
	simple move insn, try to inherit an equivalence for the input.

From-SVN: r25946

        * i386.h (PREFERRED_STACK_BOUNDARY): Define.
        * i386.c (ix86_compute_frame_size): New function.
        (ix86_prologue, ix86_epilogue): Use it.
        * i386.h (INITIAL_ELIMINATION_OFFSET): Likewise.
        * reload1.c: Provide default for PREFERRED_STACK_BOUNDARY.

From-SVN: r25909

reload1.c (reload_as_needed): Set reload_is_output_reload / reload_has_output_reload for auto_inc expressions...

	* reload1.c (reload_as_needed): Set reload_is_output_reload /
	reload_has_output_reload for auto_inc expressions that could be
	reloaded.  Call forget_old_reloads for REG_INC notes.

From-SVN: r25899

        * cccp.c (create_definition): Cast to U_CHAR* when assigning to one.
        * cppfiles.c (read_and_prescan): Likewise.
        Start a #define in column 0.
        * cpplib.c (cpp_define): Cast to U_CHAR* when assigning to one.
        (cpp_push_buffer): Likewise for cpp_buffer*.
        (do_include): Change the type of `fbeg' and `fend' to unsigned char*.
        (do_endif): Cast to char* when assigning to one.
        (do_assert): Likewise.
        (do_unassert): Likewise.
        (cpp_read_check_assertion): Change the type of `name' to U_CHAR*.
        Don't do unnecessary cast to char* anymore.
        * genrecog.c (make_insn_sequence): Cast to char** when assigning
        to one.  Cast the first argument of bzero to PTR.
        * loop.c (strength_reduce): Remove unused variable `note'.
        * reload1.c (new_insn_chain): Cast to struct insn_chain* when
        assigning to one.
        * rtl.c (copy_rtx): Use memcpy instead of bcopy.

From-SVN: r25860

	* reload1.c (eliminate_regs): Don't keep REG_DEAD notes around for
	things that were eliminated.

From-SVN: r25823

	* rtlanal.c (auto_inc_p): New function.
        * rtl.h (auto_inc_p): Prototype it.
	* reload1.c (add_auto_inc_notes): New function.
	(reload): Strip REG_INC notes and call add_auto_inc_notes
	for each insn to restore them correctly.

From-SVN: r25774

	* reload1.c (calculate_needs_all_insns): When ignore equivalence
	setting insn, clear need_elim, need_reload, and need_operand_change.

From-SVN: r25728

	* reload.1c (delete_address_reloads_1):  Check for reloads of
	CURRENT_INSN even if it sets DST.

From-SVN: r25701

	* reload1.c (choose_reload_regs): When inheriting from the frame
	pointer, don't clobber it.

From-SVN: r25669

	* reload1.c (reload_combine_note_store): Fix calculation of number
	of affected registers.

From-SVN: r25657

	* reload1.c (emit_reload_insns): If pseudo that can't be replaced
	with its equivalent constant, fall back to reload_in.

From-SVN: r25604

From-SVN: r25450

        * reload1.c (reload_combine_note_store): Second argument is no
        longer unused/ignored.  Handle multi-register hard regs.
        (move2add_note_store): Simplify.

From-SVN: r25124

reload1.c (reload_combine_note_store): Be more careful with STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.

        * reload1.c (reload_combine_note_store): Be more careful with
        STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
        (move2add_note_store): Likewise.

From-SVN: r25055

        * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
        * reload.c (find_reusable_reload): New function, broken out of
        push_reload.  Add code to verify that none of the involved
        outputs are subject to earlyclobbers.
        (push_reload): Break out new function find_reusable_reload.
        Delete "register" keyword for IN, OUT args.

From-SVN: r25010