From-SVN: r43968

	* flow.c (try_optimize_cfg): Delete whole chain of trivially dead
	basic blocks.
	(verify_flow_info): Make diagnostics prettier.

From-SVN: r43967

	* java/io/FileOutputStream.java (FileOutputStream): Throw
	FileNotFoundException, not IOException.

From-SVN: r43966

	* flow.c (find_basic_blocks_1): Do not emit NOP after call.

	* flow.c (outgoing_edges_match): Return early if condition reversal
	failed.

From-SVN: r43965

	* config/mips/mips.c (print_operand): Extend '%D' to memory operands.
	(mips_move_2words): When splitting a move into two instructions,
	prefix the second address operand with '%D'.

From-SVN: r43964

decl.c (make_rtl_for_nonlocal_decl): Set DECL_C_HARD_REGISTER for `register' variables with an asm-specification.

	* decl.c (make_rtl_for_nonlocal_decl): Set DECL_C_HARD_REGISTER
	for `register' variables with an asm-specification.

From-SVN: r43963

From-SVN: r43960

	* Makefile.in (final.o): Depend on debug.h.
	* dbxout.c (dbxout_begin_block, dbxout_end_block): New.
	(dbx_debug_hooks): Add new hooks.
	(xcoff_debug_hooks): New.
	* debug.c (debug_nothing_file_int_int): New.
	(do_nothing_debug_hooks): Update.
	* debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
	(debug_nothing_file_int_int): New.
	* dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
	static, update prototype.
	(dwarf2_debug_hooks): Update.
	* dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
	* dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
	static, update prototype.
	(dwarf_debug_hooks): Update.
	* dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
	* final.c: Include debug.h.
	(final_scan_insn): Use debug hooks when beginning and ending blocks.
	* sdbout.c (sdbout_begin_block, sdbout_end_block): Make
	static, update prototype.
	(sdb_debug_hooks): Update.
	* sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
	* toplev.c: Distinguish between xcoff and dbx.

	* f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
	Call all debug hooks, not just dwarf ones.

From-SVN: r43959

ia64-aix port from Tim Wall
        * config.gcc: Add configuration for AIX5/IA64.
        * config/ia64/aix.h: New.  AIX5/IA64-specific configuration.
        * config/ia64/crt[in].asm: New.  Generic static ctor/dtor
	support prefix/suffix code.
        * config/ia64/t-aix: New.  Makefile fragment.
        * config/ia64/unwind-aix.c: New.  Unwind table entry lookup.

From-SVN: r43958

2001-07-11  Kazu Hirata  <kazu@hxi.com>

	* recog.c (validate_change): Fix a comment typo.

From-SVN: r43956

2001-07-11   Felix Natter  <fnatter@gmx.net>

	* docs/html/17_intro/porting-howto.xml:  Initial checkin of
	master copy.
	* docs/html/17_intro/porting-howto.html:  check in v0.9.3

From-SVN: r43953

	* Makefile.in (c-lex.o): Wrap long lines.  Depend on debug.h.
	* c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
	hooks directly.
	* dbxout.c (dbx_debug_hooks): Add new hooks.
	(dbxout_start_new_source_file): Rename dbxout_start_source_file,
	make static.
	(dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
	make static.
	* dbxout.h (dbxout_start_new_source_file,
	dbxout_resume_previous_source_file): Delete.
	* debug.c (do_nothing_debug_hooks): Add new hooks.
	(debug_nothing_init_finish): Rename debug_nothing_file_charstar.
	(debug_nothing_int_charstar, debug_nothing_int): New.
	* debug.h (gcc_debug_hooks): New hooks define, undef,
	start_source_file and end_source_file.
	(debug_nothing_init_finish): Rename debug_nothing_file_charstar.
	(debug_nothing_int_charstar, debug_nothing_int): New.
	* dwarf2out.c (dwarf2_debug_hooks): Add new hooks.
	(dwarf2out_start_source_file, dwarf2out_end_source_file,
	dwarf2out_define, dwarf2out_undef): Make static.
	* dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
	dwarf2out_define, dwarf2out_undef): Remove.
	* dwarfout.c (dwarf_debug_hooks): Add new hooks.
	(dwarfout_start_source_file, dwarfout_end_source_file,
	dwarfout_define, dwarfout_undef): Make static.
	(dwarfout_start_source_file_check,
	dwarfout_end_source_file_check): New.
	(dwarfout_define, dwarfout_finish): Update.
	* dwarfout.h (dwarfout_start_new_source_file,
	dwarfout_resume_previous_source_file, dwarfout_define,
	dwarfout_undef): Remove.
	* sdbout.c (sdb_debug_hooks): Add new hooks.
	(sdbout_start_new_source_file): Rename sdbout_start_source_file,
	make static.
	(sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
	make static, take an arg.
	* sdbout.h (sdbout_start_new_source_file,
	sdbout_resume_previous_source_file): Delete.
	* toplev.c (debug_start_source_file, debug_end_source_file,
	debug_define, debug_undef): Delete.
	* toplev.h (debug_start_source_file, debug_end_source_file,
	debug_define, debug_undef): Delete.

	* java/jcf-parse.c: Include debug.h.
	(parse_class_file): Update to use debug hooks directly.
	* java/Make-lang.in (jcf-parse.o): Depend on debug.h.

From-SVN: r43952

	* alias.c (set_mem_alias_set): New function.
	* rtl.h (set_mem_alias_set): Declare it.
	* builtins.c (expand_builtin_return_addr): Call it instead of
	using MEM_ALIAS_SET accessor.
	(expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
	(get_memory_rtx, expand_builtin_va_arg): Likewise.
	(expand_builtin_va_copy):Likewise.
	* caller-save.c (setup_save_areas): Likewise.
	* calls.c (compute_argument_addresses): Likewise.
	* explow.c (set_mem_attributes): Likewise.
	* expr.c (emit_single_push_insn, emit_push_insn): Likewise.
	(expand_assignment, store_constructor_field, store_field): Likewise.
	(expand_expr_unaligned): Likewise.
	* function.c (assign_stack_temp_for_type): Likewise.
	(put_reg_into_stack, gen_mem_addressof): Likewise.
	* ifcvt.c (noce_try_cmove_arith): Likewise.
	* reload1.c (reload, alter_reg): Likewise.
	* config/alpha/alpha.c (get_aligned_mem): Likewise.
	(alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
	(alpha_expand_unaligned_store): Likewise
	(alpha_expand_unaligned_load_words): Likewise.
	(alpha_expand_unaligned_store_words): Likewise.
	(alpha_expand_block_clear, alpha_expand_prologue): Likewise.
	(alpha_expand_epilogue): Likewise.
	* config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
	* config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
	* config/i386/i386.c (legitimize_pic_address): Likewise.
	* config/i960/i960.c (setup_incoming_varargs): Likewise.
	* config/ia64/ia64.c (spill_restore_mem): Likewise.
	* config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
	* config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
	* config/mips/mips.c (mips_va_arg): Likewise.
	* config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
	* config/pa/pa.c (hppa_builtin_saveregs): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
	(setup_incoming_varargs, rs6000_va_arg): Likewise.
	(rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
	(rs6000_emit_epilogue): Likewise.
	* config/sh/sh.c (sh_builtin_saveregs): Likewise.
	* config/sparc/sparc.c (sparc_va_arg): Likewise.
	* config/v850/v850.c (v850_va_arg): Likewise.

From-SVN: r43951

	* flow.c (merge_blocks_move_successor_nojumps): Do not crash
	when fallthru edge is present.
	(mege_blocks): Handle case where creation of jump insn
	is required.

	* basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
	CLEANUP_POST_REGSTACK): New constants.
	* except.c (finish_eh_generation): Update call of cleanup_cfg,
	* jump.c (rtx_renumbered_equal_p): Handle 't' fields.
	* output.h (cleanup_cfg): Update prototype.
	* reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
	* sibcall.c (optimize_sibling_and_tail_recursive_call): Update
	cleanup_cfg call; kill missleading comment.
	* toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
	* flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
	parameter; control optimizations performed using it.
	(flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
	try_crossjump_bb): New functions.

From-SVN: r43950

2001-07-11  Phil Edwards  <pme@sources.redhat.com>

	* docs/doxygen/run_doxygen:  Don't keep output from previous run.
	* docs/doxygen/user.cfg.in:  Tweaks.
	* include/bits/c++config:  Documentation comments for Doxygen.
	* include/bits/char_traits.h:  Likewise.
	* include/bits/limits_generic.h:  Likewise.
	* include/bits/std_stdexcept.h:  Likewise.
	* include/bits/stl_pair.h:  Likewise.
	* libsupc++/exception:  Likewise.
	* libsupc++/new:  Likewise.
	* libsupc++/typeinfo:  Likewise.
	* libmath/Makefile.am:  Update and correct copyright.

From-SVN: r43948

	* pa.c (pa_output_function_prologue): Delete prototype.  Make function
	extern.
	* pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
	pa_output_function_prologue.
	* pa-protos.h (pa_output_function_prologue): New prototype.

From-SVN: r43947

2001-07-11  David Billinghurst <David.Billinghurst@riotinto.com>

	* g77.f-torture/execute/intrinsic77.f: New test.

From-SVN: r43946

stmt.c (emit_case_nodes): Widen high and low instead of new_bound and low to get correct sign extension...

	* stmt.c (emit_case_nodes): Widen high and low instead of new_bound
	and low to get correct sign extension in low+high test.

From-SVN: r43945

        * gcov.c (arcdata): Use gcov_type to fix branch percentage
        for large hit count.

From-SVN: r43944

From-SVN: r43943

        * profile.c (branch_prob): Fix .bbg info for computed gotos
        and C++ EH code.

From-SVN: r43942

	* stmt.c (parse_output_constraint): New function, split out
	from ...
	(expand_asm_operands): ... here.  Use parse_output_constraint.
	* tree.h (parse_output_constraint): Declare it.

	* semantics.c (finish_asm_stmt): Mark the output operands
	to an asm addressable, if necessary.

From-SVN: r43941

        * bitmap.c: Comment some functions; fiddle whitespace.
        (bitmap_free): Don't export.
        (bitmap_element_allocate): Use memset.
        * bitmap.h (bitmap_free): Don't declare.

From-SVN: r43940

        * gcse.c, lcm.c, sched-deps.c:
        s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g

        * flow.c (flow_loops_find): Free dom if we found no loops, since
        we aren't going to save it.

        * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
        done.

From-SVN: r43938

From-SVN: r43937

	* dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
	#ifndef DWARF2_DEBUGGING_INFO.

From-SVN: r43936

From-SVN: r43935

	* gcc.c-torture/compile/20010711-2.c: New tests.

From-SVN: r43934

From-SVN: r43933

From-SVN: r43932

mips.c (gen_int_relational): Tell the caller not to reverse a branch if a NE comparison is implemented with GTU.

	* config/mips/mips.c (gen_int_relational): Tell the caller not to
	reverse a branch if a NE comparison is implemented with GTU.

From-SVN: r43931

	* mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
	constant addresses.
	(call_internal2): Likewise.
	(call_value_internal1): Likewise.
	(call_value_internal2): Likewise.
	(call_value_multiple_internal1): Likewise.
	(call_value_multiple_internal2): Likewise.

Co-Authored-By: H.J. Lu <hjl@gnu.org>

From-SVN: r43930

2001-07-11  Ben Elliston  <bje@redhat.com>

	PR c++/80
	* decl.c (finish_enum): New "attributes" argument; pass it to
	cplus_decl_attributes.  Use a narrower type if the enum is packed.
	* cp-tree.h (finish_enum): Adjust prototype.
	* parse.y (enum_head): New non-terminal.
	(structsp): Use it. Enums now may be preceded or followed by
	optional attributes -- pass their chained tree to finish_enum().
	* pt.c (tsubst_enum): Pass NULL_TREE for the new argument.

From-SVN: r43929

2001-07-11  Ben Elliston  <bje@redhat.com>

	* g++.old-deja/g++.other/enum5.C: New test.

From-SVN: r43928

2001-07-10  Alexandre Petit-Bianco  <apbianco@redhat.com>

	* lang-specs.h: Forbit the use if `-femit-class-file{s}' without
	`-fsyntax-only.' Fixes PR java/3248

2001-07-10  Alexandre Petit-Bianco  <apbianco@redhat.com>

	* jcf-io.c (find_class): Clarified error message. Fixes PR java/2603

2001-07-10  Alexandre Petit-Bianco  <apbianco@redhat.com>

	* parse.h (INNER_ENCLOSING_SCOPE_CHECK): No `this' is fine if the
	current function is static. Fixes PR java/1970

2001-07-09  Alexandre Petit-Bianco  <apbianco@redhat.com>

	* parse.y (patch_method_invocation): Add enclosing context to ctor
	calls if necessary. Fixes PR java/2953

2001-07-09  Alexandre Petit-Bianco  <apbianco@redhat.com>

	* parse.y (resolve_package): Abort if qualified expression member
	isn't right.
	(qualify_ambiguous_name): Don't qualify as type if `this' in use.
	Fixes PR java/1391

(http://gcc.gnu.org/ml/gcc-patches/2001-07/msg00701.html )

From-SVN: r43927

From-SVN: r43925

	* pt.c (tsubst_decl): Set DECL_CONTEXT for namespace-scope
	variables.

From-SVN: r43924

From-SVN: r43922

From-SVN: r43921

From-SVN: r43920