+2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * reload1.c (free_for_value_p): New function, frontend to
+ reload_reg_free_for_value_p. All callers of the latter now call
+ this function with an additional mode argument.
+
+2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * install.texi (Configurations): Remove obsolete documentation for
+ hppa*-*-*.
+
+2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * install.texi (Installation): Remove obsolete description for
+ libstdc++ which is now an integral part of GCC.
+
+2000-12-01 Jim Blandy <jimb@redhat.com>
+
+ * dbxout.c (dbxout_parms): Correctly describe parameters passed by
+ invisible reference in registers, but then spilled to the stack.
+ Remove code to emit a second stab for such parameters; it attempts
+ to describe the value's location by introducing a synthetic C++
+ `reference' type, and then saying the stack slot has that
+ reference type. This loses type information (breaking GDB's
+ `ptype' command, among other things) just to describe a location
+ which stabs can represent correctly in other ways.
+
+2000-12-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * final.c (output_addr_const) <PLUS>: Don't assume at least one
+ operand is a CONST_INT.
+
+ * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS.
+ (machine_dependent_reorg): Split all insns.
+ * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute
+ reg_class_contents[SIBCALL_REGS].
+ (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS.
+ * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel,
+ call_value_pcrel, call, call_value, sibcall): Match even when
+ not optimizing.
+ (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k'
+ for call address.
+ (sibcalli): Likewise.
+
+2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (warn_format, warn_format_y2k,
+ warn_format_extra_args, warn_format_nonliteral): Define.
+ (check_format_info): Check warn_format_nonliteral and
+ warn_format_extra_args.
+ (check_format_info_main): Check warn_format_y2k.
+ (set_Wformat): New function.
+ * c-common.h (warn_format_y2k, warn_format_extra_args,
+ warn_format_nonliteral, set_Wformat): Declare.
+ * c-decl.c (warn_format): Remove definition.
+ (c_decode_option): Handle -Wformat-nonliteral,
+ -Wno-format-extra-args and -Wno-format-y2k, and negated versions.
+ Use set_Wformat.
+ * invoke.texi: Document these new options and -Wformat=2.
+ * toplev.c (documented_lang_options): Add these new options.
+
+2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * builtins.def (BUILT_IN_IMAXABS): Add.
+ * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
+ * c-common.c (c_common_nodes_and_builtins): Create builtin
+ functions __builtin_imaxabs, and plain imaxabs unless
+ flag_no_nonansi_builtin outside C99 mode.
+ (expand_tree_builtin): Handle BUILT_IN_IMAXABS.
+ * extend.texi: Document builtin imaxabs.
+
+2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c: Include "defaults.h".
+ (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
+ (c_common_nodes_and_builtins): Create string_type_node,
+ const_string_type_node, wint_type_node, intmax_type_node,
+ uintmax_type_node, default_function_type, ptrdiff_type_node and
+ unsigned_ptrdiff_type_node.
+ * c-common.h (identifier_global_value): Declare.
+ * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
+ (init_decl_processing): Don't create string_type_node,
+ const_string_type_node, wint_type_node, intmax_type_node,
+ uintmax_type_node, default_function_type, ptrdiff_type_node and
+ unsigned_ptrdiff_type_node.
+ (identifier_global_value): New function.
+
+2000-12-01 Neil Booth <neilb@earthling.net>
+
+ * cppinit.c (initialize): Forgotten prototype.
+ * cpplex.c (_cpp_lex_token): Loop until not skipping.
+ Always clear PREV_WHITE upon meeting a new line.
+ * cpplib.c (end_directive): Set pfile->skipping after
+ skip_rest_of_line.
+ * cpplib.h (cpp_reader): Remove macro_pos.
+ * cppmacro.c (cpp_get_line): Don't do anything special inside
+ macros.
+ (parse_arg): Add PREV_WHITE if a token appears after new lines.
+ (funlike_invocation_p): Save and restore the output position
+ over a successful check for a '('.
+ (enter_macro_context): Delete uses of macro_pos.
+ (cpp_get_token): Don't use pfile->skipping.
+
+2000-12-01 Phil Edwards <pme@sources.redhat.com>
+
+ * diagnostic.c: Fix typos in comments.
+ * diagnostic.h: Likewise.
+
+2000-11-30 Phil Edwards <pme@sources.redhat.com>
+
+ * rtl.texi (Machine Modes): Document BImode and OImode.
+
+2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and
+ .FPP.
+
+2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-decl.c (grokdeclarator): If pedantic, warn about arrays with
+ incomplete element type.
+ (grokparms): Before checking for incomplete parameter type, check
+ the type isn't error_mark_node.
+
+2000-12-01 Jakub Jelinek <jakub@redhat.com>
+
+ * builtins.c (target_char_cast): New function.
+ (expand_builtin_strchr): Use it.
+ (expand_builtin_strrchr): Use it.
+ (builtin_memset_read_str): New function.
+ (expand_builtin_memset): Use target_char_cast.
+ Try to optimize memset with second argument non-zero using
+ store_by_pieces.
+
+2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * install.texi (avr): Replace incomplete list of supported MCU
+ types with a link to the current one ...
+ * invoke.texi (AVR Options): ... here. Update -mmcu= to list
+ all supported MCU types. Document -minit-stack= default.
+ Document new options -mno-tablejump, -mtiny-stack.
+ * md.texi (AVR family): Fix typo in 'w' constraint letter
+ description. Document 'q'. Update 'O'.
+
+2000-12-01 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * combine.c (cant_combine_insn_p): Only disallow insns involving
+ hard regs if they are reg-reg moves.
+ (try_combine, can_combine_p, combinable_i3pat): Delete old
+ SMALL_REGISTER_CLASSES tests.
+
+2000-12-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
+ whether X is a CONST_INT.
+ (addsubcosts): Likewise.
+
+ * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of
+ mis-used XINT.
+ (ARG_POINTER_REGNUM): Set to AP_REG.
+
+2000-11-30 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch,
+ splits): Only match on TARGET_SH4.
+
+ * combine.c (try_combine): Disregard USEs when updating LOG_LINKS
+ of subsequent insns.
+
+2000-11-30 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable.
+ * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
+
+2000-11-30 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn.
+ (DO_SELECT_SECTION): New.
+ (SELECT_SECTION): Use it.
+ (UNIQUE_SECTION_P): New.
+ (UNIQUE_SECTION): New.
+
+2000-11-30 Alexandre Oliva <aoliva@redhat.com>
+
+ * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status
+ from va_list before using it.
+
+2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de>
+
+ * flow.c (make_edge): Early out, if no flags to set.
+ (calculate_global_regs_live): Clear out garbage only when necessary.
+
+ * simplify-rtx.c (varray_type used_regs): New.
+ (clear_table): Use it to only clear necessary items.
+ (cselib_lookup, cselib_record_set): Remember newly set items.
+ (cselib_update_varray_sizes, cselib_init): Initialize and grow
+ used_regs.
+
+ * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
+ Move clearing of dead regs out of insn-loop.
+
+2000-11-30 Richard Henderson <rth@redhat.com>
+
+ * calls.c (expand_call): Emit queued insns before creating
+ the tail recursion sequence.
+
+2000-11-30 J. David Anglin <dave.anglin@nrc.ca>
+ Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def(): prevent dual double definition protection
+ * fixinc/fixincl.x: regenerate
+
+2000-11-29 Loren J. Rittle <ljrittle@acm.org>
+
+ * fixinc/Makefile.in (fixincl.x): Explicitly state the
+ location of the generated file.
+
+2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * README.FRESCO: Remove obsolete file.
+
+2000-11-30 Mark Kettenis <kettenis@gnu.org>
+
+ * configure.in: Reorganize handling of *-*-gnu*, to share target
+ specific make details with Linux. Update comments to clarify
+ the distinction between GNU/Linux and GNU/Hurd.
+ * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
+ TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from
+ config/t-linux for the Hurd.
+
+2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/mn10200/udivmod.c, config/mn10200/divmod.c,
+ config/mn10200/udivmodsi4.c: Moved from here.
+ * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here.
+ * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic
+ C division functions.
+ * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise.
+
+Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (conditional moves): Avoid holes in operand list.
+ (mod, umod patterns): Similarly.
+ (variable extract/shift patterns): Similarly.
+
+2000-11-30 Neil Booth <neilb@earthling.net>
+
+ * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
+ maybe_objc_check_decl, build_objc_string_object,
+ objc_declare_alias, objc_declare_class, build_message_expr,
+ build_protocol_expr, build_selector_expr, build_encode_expr,
+ get_class_ivars, start_class, start_protocol): Remove
+ redundant code, assuming doing_objc_thang is true.
+
+2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
+ (record_unscaled_index_insn_codes): Likewise.
+ (unscaled_index_insn_codes): Delete.
+ (max_unscaled_index_insn_codes_uid): Delete.
+ (output_function_prologue, output_function_epilogue, pa_reorg):
+ Don't use the unscaled index insn hack.
+
+ * pa.md: Remove hack from all index insns to reverse the operand
+ order of frame and stack pointer references incorrectly created
+ in the reload pass.
+
+ * function.h (emit_status): Delete member regno_pointer_flag and
+ rename regno_pointer_flag_length to regno_pointer_align_length.
+ Delete define for REGNO_POINTER_FLAG.
+ * integrate.h (inline_remap): Delete member regno_pointer_flag.
+ Add member x_regno_reg_rtx.
+ * rtl.h (rtx_def): Use frame_related bit to indicate register is
+ a pointer in REG expressions. Define REG_POINTER macro.
+ * alias.c (find_base_value, find_base_term): Use REG_POINTER
+ instead of REGNO_POINTER_FLAG.
+ * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
+ * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
+ of regno_pointer_flag_length. Remove code which refers to
+ regno_pointer_flag.
+ (mark_reg_pointer): Use REG_POINTER.
+ (free_emit_status): Remove code which refers to regno_pointer_flag.
+ (init_emit, mark_emit_status): Likewise.
+ * flow.c (dump_flow_info): Likewise.
+ * function.c (preserve_temp_slots): Likewise.
+ * integrate.c (expand_inline_function, copy_rtx_and_substitute):
+ Use x_regno_reg_rtx instead of regno_pointer_flag for function
+ pointer determination in map.
+ * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
+ * predict.c (estimate_probability): Likewise.
+ * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
+ * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
+ regno_pointer_flag for function pointer determination in map.
+ * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
+ REG_POINTER.
+ * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
+ Use REG_POINTER.
+ (restore_unscaled_index_insn_codes): Revise comment.
+
+ * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
+
+2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * extend.texi: Update documentation for attributes.
+
+2000-11-29 David O'Brien <obrien@FreeBSD.org>
+
+ * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
+ (ASM_DECLARE_OBJECT_NAME): Same.
+ (ASM_FILE_END): Same.
+ (ASM_FINISH_DECLARE_OBJECT): Same.
+ (ASM_IDENTIFY_GCC): Same.
+ (ASM_IDENTIFY_LANGUAGE): Same.
+ (ASM_OUTPUT_CONSTRUCTOR): Same.
+ (ASM_OUTPUT_DEF): Same.
+ (ASM_OUTPUT_DESTRUCTOR): Same.
+ (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
+ (ASM_OUTPUT_SECTION_NAME): Same.
+ (ASM_WEAKEN_LABEL): Same.
+ (BSS_SECTION_ASM_OP): Same.
+ (COMMON_ASM_OP): Same.
+ (CONST_SECTION_ASM_OP): Same.
+ (CONST_SECTION_FUNCTION): Same.
+ (CTORS_SECTION_ASM_OP): Same.
+ (DTORS_SECTION_ASM_OP): Same.
+ (ESCAPES): Same.
+ (FINI_SECTION_ASM_OP): Same.
+ (IDENT_ASM_OP): Same.
+ (IDENT_ASM_OP): Same.
+ (INIT_SECTION_ASM_OP): Same.
+ (INT_ASM_OP): Same.
+ (MAX_OFILE_ALIGNMENT): Same.
+ (SBSS_SECTION_ASM_OP): Same.
+ (SDATA_SECTION_ASM_OP): Same.
+ (SECTION_FUNCTION_TEMPLATE): Same.
+ (SELECT_SECTION): Same.
+ (SE_CONST_SECTION): Same.
+ (SIZE_ASM_OP): Same.
+ (SKIP_ASM_OP): Same.
+ (STRING_ASM_OP): Same.
+ (STRING_LIMIT): Same.
+ (TYPE_ASM_OP): Same.
+ (TYPE_OPERAND_FMT): Same.
+
+2000-11-29 Neil Booth <neilb@earthling.net>
+
+ * c-decl.c (c_decode_option): Don't handle -lang-objc.
+ * objc/lang-options.h: Remove -lang-objc.
+ * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
+ * objc/objc-act.c (lang_init_options): Set c_language.
+
+2000-11-29 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
+ tests.
+
+2000-11-29 Neil Booth <neilb@earthling.net>
+
+ * c-pragma.c (init_pragma): Update for parse_in type change.
+
+2000-11-29 Laurynas Biveinis <lauras@softhome.net>
+
+ * configure.in: recognize DOS-style absolute paths.
+
+2000-11-29 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.h (store_by_pieces): Add prototype.
+ (can_store_by_pieces): Likewise.
+ * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
+ (can_store_by_pieces): New.
+ (store_by_pieces): New.
+ (clear_by_pieces): New.
+ (clear_by_pieces_1): New.
+ (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
+ arbitrary compiler generated constants into memory block.
+ (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
+ * builtins.c (c_readstr): New.
+ (builtin_memcpy_read_str): New.
+ (expand_builtin_memcpy): If src is string constant and
+ emit_block_move would move it by pieces, compute integer constants
+ from the string and store it into memory block instead.
+ (builtin_strncpy_read_str): New.
+ (expand_builtin_strncpy): If N is not constant zero and c_strlen does
+ not return INTEGER_CST, don't optimize.
+ If N is larger than strlen(src) + 1, try to copy the string
+ including padding with store_by_pieces.
+ (expand_builtin_strcmp): If both arguments have side effects, don't
+ optimize.
+ (expand_builtin_fputs): If STR has side effects, don't optimize.
+
+2000-11-29 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
+ Add use of link register.
+
+2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * extend.texi: Update documentation for default format attributes.
+
+Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
+ a list, to keep track of the sections.
+
+2000-11-28 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.md (pic_load_addr): Split into
+ pic_load_addr_arm and pic_load_addr_thumb.
+
+ * config/arm/arm.c (legitimize_pic_address): Generate either
+ ARM or Thumb versions of pic_load_addr.
+ (arm_finalize_pic): Generate either ARM or Thumb versions of
+ pic_load_addr.
+
+2000-11-28 Richard Henderson <rth@redhat.com>
+
+ * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
+ after sibcall do_pending_stack_adjust.
+
+Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * jump.c (delete_insn): Check that REG_LABEL note actually contains
+ a CODE_LABEL.
+
+2000-11-28 Neil Booth <neilb@earthling.net>
+
+ * c-common.h: Remove flag_digraphs.
+ * c-decl.c: Remove flag_digraphs.
+ (c_decode_option): Don't set it.
+ * c-lex.c (init_c_lex): Don't do anything for digraphs.
+
+2000-11-28 Richard Henderson <rth@redhat.com>
+
+ * c-parse.in (finish_parse): Update for parse_in type change.
+ (_yylex): Likewise.
+
+2000-11-28 Neil Booth <neilb@earthling.net>
+
+ * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
+ indicating whether to scan all buffers on the stack or
+ just one.
+ * cppinit.c (do_includes): Update.
+ * cppmain.c (main): Update.
+ * cpplib.h: Update prototype.
+
+2000-11-28 Richard Henderson <rth@redhat.com>
+
+ * genoutput.c (validate_insn_operands): New.
+ (gen_insn): Call it.
+
+ * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
+ (divmoddi_internal): Likewise.
+ * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
+ * config/i960/i960.md (branch patterns): Likewise.
+ * config/ia64/ia64.md (tbit_and_0): Likewise.
+ (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
+ * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
+ * config/mips/mips.md (divmodsi4_internal): Likewise.
+ (divmoddi4_internal): Likewise.
+ * config/rs6000/rs6000.md (call patterns): Likewise.
+ * config/sh/sh.md (movsi_y): Likewise.
+ * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
+
+2000-11-28 Richard Henderson <rth@redhat.com>
+
+ * config.gcc: Kill residual pyramid support.
+
+2000-11-28 Neil Booth <neilb@earthling.net>
+
+ * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
+ * c-decl.c (c_decode_option): Update to match.
+ * c-lex.c (init_c_lex, yyparse): Update to match.
+ * c-lang.c (lang_init_options): Use cpp_create_reader.
+ * cppinit.c (cpp_init): Rename initialize.
+ (cpp_reader_init): Rename cpp_create_reader. Create the
+ reader. Initialize cpplib if appropriate.
+ * cpplib.h (cpp_create_reader) New prototype.
+ (cpp_init, cpp_reader_init): Delete prototypes.
+ * cppmain.c (general_init, setup_callbacks): New functions.
+ (main): Use them.
+ * fix-header.c (scan_in): Change type to cpp_reader *.
+ (read_scan_file): Update for new cpplib interface and scan_in type.
+
+ * cp/decl.c (parse_in): Change to cpp_reader *.
+ (lang_decode_option): Update.
+ * cp/lex.c (lang_init_options): Use new cpplib interface.
+ (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
+ * cp/spew.c (read_token): Update.
+ * objc/objc-act.c (lang_init_options): Update new cpplib interface.
+
+2000-11-28 Jakub Jelinek <jakub@redhat.com>
+
+ * loop.c (load_mems): Avoid using next_label to find end_label. If
+ jumping outside of the loop (other than loop end), don't hoist MEMs
+ out of loop.
+
+2000-11-28 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (expand_call): Don't disable tail recursion based
+ on the loop nest.
+
+2000-11-28 Neil Booth <neilb@earthling.net>
+
+ * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
+ (struct directive): Drop 4th argument from handlers.
+ (do_define, do_line, do_include, do_undef, do_else, do_elif,
+ do_endif): Similarly.
+ (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
+ (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
+ (make_definition, make_undef): Take a const char*.
+ (make_assertion): New function.
+ (struct directive_table): Update.
+ (main): Handle -A command line argument.
+ (handle_directive): Drop fourth handler argument.
+
+2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
+ is anything but REG or MEM, but look inside STRICT_LOW_PART.
+
+Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
+ (IS_ABSOLUTE_PATHNAME): New macro.
+ * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
+
+2000-11-28 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.md (truncxfsf2_2): Fix predicate.
+
+2000-11-27 Jim Wilson <wilson@redhat.com>
+
+ * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
+
+2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
+
+ * extend.texi (Nested Functions): Update URL of Usenix paper.
+
+2000-11-27 Mark Mitchell <mark@codesourcery.com>
+
+ * function.c (free_after_compilation): Clear x_clobber_return_insn.
+
+2000-11-27 Neil Booth <neilb@earthling.net>
+
+ * cppinit.c (cpp_reader_init): Remove handling of warn_paste
+ command line options.
+ (cpp_handle_option): Similarly.
+ * cpplib.h (struct cpp_options): Remove warn_paste.
+ * cppmacro.c (paste_tokens): Apart from assembler, make
+ unpasteable token warning mandatory.
+
+2000-11-27 Neil Booth <neilb@earthling.net>
+
+ * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
+ (main): Allocate a pending directive set of these. Use it.
+ Merge handling of -D and -U. Update handling of pending
+ directives. Free the memory after use.
+
+2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * flow.c (entry_exit_blocks): Add entry for cond_local_set.
+ (struct propagate_block_info): Add new member cond_local_set.
+ (propagate_block): Accept new arg cond_local_set. All callers
+ changed.
+ (init_propagate_block_info): Likewise.
+ (calculate_global_regs_live): Allocate & free cond_local_set. Always
+ rescan if there's overlap between cond_local_set and new_live_at_end.
+ (mark_set_1): Set bits either in cond_local_set or local_set, as
+ appropriate.
+ * basic-block.h (struct basic_block_def): New field cond_local_set.
+ (propagate_block, init_propagate_block_info): Update prototypes.
+
+Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
+ T register.
+
+2000-11-27 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (select_dominance_cc_mode): Handle new way that combine
+ canonicalizes conditional compares.
+ (arm_select_cc_mode): Likewise.
+ * arm.md: Garbage collect some dead code.
+ (cmp_and, cmp_ior): New patterns.
+ (splitter for conditional move with inverted false): Use cond_exec
+ and handle unordered comparisons.
+
+Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
+ * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
+ * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
+ ix86_force_to_memory and ix86_free_from_memory.
+
+2000-11-27 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
+ arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
+ anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
+ one_cmpldi2): Merge with splitters to create define_insn_and_split
+ patterns. Remove redundant splits.
+ (peephole2 for add:SI of invalid immediate): New.
+ (peephole2 for minus:SI of invalid immediate): New.
+ (peephole2 for ior:SI of invalid immediate): New.
+ (peephole for merge of move and compare): Convert ot peephole2.
+ (addsf3, adddf3): Mark as commutative.
+
+ * arm.md (thumb peephole for merging stack adjustments): Convert to
+ peephole2.
+
+2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
+
+ * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
+ (reload_cse_simplify_operands): Do nothing about operands where both
+ the operand and the match_operand fail to give us a mode.
+ * simplify-rtx.c (wrap_constant): New function.
+ (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
+ CONST describing the proper mode.
+ (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
+ cselib_lookup.
+ (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
+ htab_find_slot_with_hash.
+ (cselib_lookup): Likewise.
+
+ Based on a patch from Geoff Keating <geoffk@redhat.com>:
+ * loop.c (basic_induction_var): If a REG is set from something
+ that is not a biv, then the REG is not a biv. Even if it is
+ earlier set from something that is a biv.
+
+2000-11-27 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.in (extra_objs): Enclose extra_headers in quotes.
+ * configure: Rebuilt.
+
+2000-11-27 Neil Booth <neilb@earthling.net>
+
+ * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
+ Combine into the new function cb_change_file.
+ (init_c_lex): Update.
+ * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
+ (cpp_syshdr_flags): Delete.
+ * cpphash.h (_cpp_do_file_change): New prototype.
+ Move struct cpp_buffer here from...
+ * cpplib.h (struct cpp_buffer): ... here.
+ (enum cpp_fc_reason, struct cpp_file_loc,
+ struct_cpp_file_change, change_file): New.
+ (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
+ * cpplib.c (do_line): Update for new cb_change_file callback.
+ (_cpp_do_file_change): New function.
+ (_cpp_pop_buffer): Update to use it.
+ * cppmain.c (move_printer): Delete.
+ (main): Set up single callback cb_change_file.
+ (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
+ (cb_change_file): New.
+ * fix-header.c (cur_file, cb_change_file): New.
+ (recognized_function, read_scan_file): Update.
+ * scan-decls.c (scan_decls): Update.
+ * scan.h (recognized_function): Update prototype.
+
+2000-11-26 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (mark_tree_hashtable): New function.
+ * tree.c (mark_tree_hashtable_entry): New function.
+ (mark_tree_hashtable): Likewise.
+
+2000-11-27 Michael Meissner <meissner@redhat.com>
+
+ * d30v-protos.h (srelational_si_operator): Correctly spell
+ function.
+ (urelational_si_operator): Ditto.
+ (relational_si_operator): Ditto.
+ (d30v_expand_prologue): Add prototype.
+ (d30v_expand_epilogue): Ditto.
+
+ * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
+
+ * d30v.md (movcccc_*): Delete now unused patterns.
+ (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
+ IF_THEN_ELSE.
+ (define_cond_exec): Use 'b' to select branch flags.
+
2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
2000-11-26 Neil Booth <neilb@earthling.net>
- * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
- current buffer.
+ * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
+ current buffer.
2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
table and call output_file_names instead.
(file_info_cmp): Helper function to sort directory names.
-2000-11-26 Neil Booth <neilb@earthling.net>
+2000-11-26 Neil Booth <neilb@earthling.net>
- * cpplib.h (struct cpp_reader): Remove lang_asm.
- (struct cpp_options): Remove c89. New members lang,
- extended_numbers.
- * cppexp.c (parse_number): Use them.
- * cpphash.h (VALID_SIGN): Use them.
- * cppinit.c (set_lang, cpp_start_read): Update.
- * cpplex.c (parse_string, _cpp_lex_token): Update.
- * cpplib.c (_cpp_handle_directive): Update.
- * cppmacro.c (parse_args): Update.
- * cppmain.c (scan_buffer): Update.
+ * cpplib.h (struct cpp_reader): Remove lang_asm.
+ (struct cpp_options): Remove c89. New members lang,
+ extended_numbers.
+ * cppexp.c (parse_number): Use them.
+ * cpphash.h (VALID_SIGN): Use them.
+ * cppinit.c (set_lang, cpp_start_read): Update.
+ * cpplex.c (parse_string, _cpp_lex_token): Update.
+ * cpplib.c (_cpp_handle_directive): Update.
+ * cppmacro.c (parse_args): Update.
+ * cppmain.c (scan_buffer): Update.
Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* fold-const.c (fold, case CONVERT_EXPR): Always return tree of
proper type.
-2000-11-26 Neil Booth <neilb@earthling.net>
+2000-11-26 Neil Booth <neilb@earthling.net>
- * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
- * c-decl.c: Remove parse_in declaration.
- * c-lang.c: Similarly.
- * c-lex.c: Similarly.
- * c-parse.in: Similarly.
- * c-pragma.c: Similarly.
- * configure.in: Similarly.
- * cp/Make-lang.in: Similarly.
- * cp/spew.c: Similarly.
- * cp/decl2.c: Remove check for lang-c++ option.
- * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
- * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
- * c-lex.h: Add declaration of parse_in.
- * cppinit.c: Call set_lang after allocating pfile->pending.
- * configure: Regenerate.
+ * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
+ * c-decl.c: Remove parse_in declaration.
+ * c-lang.c: Similarly.
+ * c-lex.c: Similarly.
+ * c-parse.in: Similarly.
+ * c-pragma.c: Similarly.
+ * configure.in: Similarly.
+ * cp/Make-lang.in: Similarly.
+ * cp/spew.c: Similarly.
+ * cp/decl2.c: Remove check for lang-c++ option.
+ * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
+ * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
+ * c-lex.h: Add declaration of parse_in.
+ * cppinit.c: Call set_lang after allocating pfile->pending.
+ * configure: Regenerate.
2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
2000-11-25 Neil Booth <neilb@earthling.net>
- * c-common.c: Remove USE_CPPLIB conditional inclusions.
- * c-common.h: Similarly.
- * c-decl.c: Similarly.
+ * c-common.c: Remove USE_CPPLIB conditional inclusions.
+ * c-common.h: Similarly.
+ * c-decl.c: Similarly.
* c-lang.c: Similarly.
* c-lex.c: Similarly.
- * c-parse.in: Similarly.
- * c-pragma.c: Similarly.
- * c-pragma.h: Similarly.
- * gcc.c: Similarly.
- * toplev.c: Similarly.
- * cp/cp-tree.h: Similarly.
- * cp/decl2.c: Similarly.
- * cp/lang-specs.h: Similarly.
- * cp/lex.c: Similarly.
- * cp/lex.h: Similarly.
- * cp/spew.c: Similarly.
- * java/lang-options.h: Similarly.
- * objc/lang-specs.h: Similarly.
- * objc/objc-act.c: Similarly.
-
- * configure.in: Remove configure option.
- * config.in: Regenerate.
- * configure: Regenerate.
+ * c-parse.in: Similarly.
+ * c-pragma.c: Similarly.
+ * c-pragma.h: Similarly.
+ * gcc.c: Similarly.
+ * toplev.c: Similarly.
+ * cp/cp-tree.h: Similarly.
+ * cp/decl2.c: Similarly.
+ * cp/lang-specs.h: Similarly.
+ * cp/lex.c: Similarly.
+ * cp/lex.h: Similarly.
+ * cp/spew.c: Similarly.
+ * java/lang-options.h: Similarly.
+ * objc/lang-specs.h: Similarly.
+ * objc/objc-act.c: Similarly.
+
+ * configure.in: Remove configure option.
+ * config.in: Regenerate.
+ * configure: Regenerate.
2000-11-25 Richard Henderson <rth@redhat.com>
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