+2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
+
+ * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
+
+2000-10-01 Mark Mitchell <mark@codesourcery.com>
+
+ * config/ns32k/genix.h: Remove.
+ * config/ns32k/x-genix: Likewise.
+ * config/ns32k/xm-genix.h: Likewise.
+ * config/fx80: Remove all filee in directory.
+ * config/pyr: Likewise.
+ * config/tahoe: Likewise.
+ * config/gmicro: Likewise.
+ * config/spur: Likewise.
+ * configure.in: Remove configury bits for above targets.
+ * configure: Regenerated.
+
+ * configure.in: Don't configure chill by default.
+ * configure: Regenerated.
+
+ * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
+ (lang_mark_false_label_stack): Remove.
+ * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
+ <top level> string in GC area.
+ (mark_splay_tree_node): New function.
+ (mark_splay_tree): Likewise.
+ * except.c (mark_eh_status): Only call lang_mark_false_label_stack
+ if it exists.
+ * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
+ * ggc-common.c (lang_mark_false_label_stack): Change type.
+ * ggc.h (ggc_alloc_string): Add comment.
+ (ggc_strdup): New function.
+
+Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.h (BRANCH_COST): Define as 0.
+
+ * config/pdp11/pdp11.c: #include "tree.h" added.
+
+2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
+ ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
+ with known shift count.
+ * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
+ New alternative for shift count 2 with no scratch register.
+ (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
+ "set_n" for shift counts 1 and 2.
+
+2000-09-30 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
+ the mask value from the individual SET operations.
+ (return_internal_si): Move the USE after the RETURN.
+ (return_internal_di): Likewise.
+ (return_and_restore_fpregs_si): Likewise.
+ (return_and_restore_fpregs_di): Likewise.
+ (return_eh_si): Likewise.
+ (return_eh_di): Likewise.
+ * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
+ or check, the USE.
+ (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
+ Don't generate a PARALLEL around a single operation movsi_to_cr.
+ Generate the RETURN first in any PARALLELs.
+
+ * rtlanal.c (single_set_1): Use fatal_insn to display the
+ invalid insn. Check for more cases when a USE or CLOBBER occurs
+ before a SET.
+ * Makefile.in: Update dependencies for rtlanal.o.
+
+2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * i386.c: Move include of "config.h" to before that of <setjmp.h>.
+
+2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
+ Consistently use @email for formatting email addresses.
+
+2000-09-29 Richard Henderson <rth@cygnus.com>
+
+ * cse.c (notreg_cost): New argument outer.
+ (COST): Pass in SET to notreg_cost
+ (COST_IN): New.
+ (fold_rtx): Use COST_IN. Prefer constants when costs
+ are the same.
+
+2000-09-29 David Edelsohn <edelsohn@gnu.org>
+
+ * fixinc/inclhack.def (broken_cabs): Generalize regex.
+ * fixinc/fixincl.x: Regenerate.
+
+2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * loop.c (check_final_value): A GIV is not replaceable if used
+ before set.
+
+Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
+
+ * version.c: Bump to gcc-2.97.
+
+Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * final.c (final_scan_insn): Remove extra extract_insn call;
+ Use caching for constrain_operands.
+ (cleanup_subreg_operands): Use caching for extract_insn.
+ * recog.c (constrain_operands_cached): New.
+ * recog.h (constrain_operands_cached): Declare.
+ * i386.c (ix86_attr_length_immediate_default,
+ ix86_attr_length_address_default, ix86_agi_dependant): Cache
+ extract_insn call.
+
+ * recog.c (asm_noperands): Tweak.
+ (extract_insn): Do not call asm_noperads for non-asm instructions.
+
+Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (recog_memoized): Rename to recog_memoized_1.
+ * recog.h (recog_memoized): Rename to recog_memoized_1.
+ (recog_memoized): New macro.
+ * rtl.h (single_set): Rename to single_set_1
+ (single_set): New macro.
+ * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
+ to be last.
+
+ * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
+ Do not use match_dup of input operands at outputs.
+ Use register_operand for memory expression.
+ (rep_movsi): Put use last, canonicalize.
+ Use register_operand for memory expression.
+ (rep_movqi): Put use last.
+ Use register_operand for memory expression.
+ (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
+ of input operands at outputs. Use register_operand for memory
+ expression.
+ (rep_stossi): Put use last; canonicalize; fix match_dup in
+ the address expression
+ (rep_stosqi): Likewise.
+ (memcmp expander): Update calls.
+ (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
+ the clobbers.
+
+ * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
+ VOIDmode.
+ (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
+
+2000-09-28 David O'Brien <obrien@FreeBSD.org>
+
+ * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
+ Contains the old contents of config/i386/freebsd.h
+ * config/i386/freebsd.h: Now the ELF rather than a.out config file.
+ Contains the old contents of config/i386/freebsd-elf.h
+ * config/i386/freebsd-elf.h: Retire this file -- contents moved to
+ config/i386/freebsd.h.
+ * configure.in: Adjust for above changes.
+ * po/POTFILES.in: Likewise.
+ * po/en_GB.po: Likewise.
+ * po/gcc.pot: Likewise.
+ * configure: Rebuilt.
+
+2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * doloop.c (doloop_modify): Prevent delete_insn() from
+ deleting too much. Prefer loop->top over loop->start as
+ target for the new JUMP insn.
+ (doloop_valid_p): Ignore loop with exit_count != 0.
+
+2000-09-28 Philipp Thomas <pthomas@suse.de>
+
+ * invoke.texi (i386 Options): Add athlon to table of possible
+ choices for -mcpu=.
+
+2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.h (output_clear_message_text): New function.
+ (output_message_text): New macro.
+
+ * diagnostic.c (clear_text_info): Rename to
+ output_clear_message_text.
+ (output_clear): Adjust.
+ (output_finish): Rename to output_finalize_message. Tweek.
+ (output_to_stream): Adjust.
+
+2000-09-28 Neil Booth <neilb@earthling.net>
+
+ * cpperror.c (_cpp_begin_message): Do the test for suppression
+ of warnings and pedantic warnings before the "is a warning an
+ error" tests.
+ * cppinit.c (cpp_handle_option): Remove surplus \n.
+ * cpplex.c (ON_REST_ARG): Delete.
+ (skip_block_comment): Initialise prevc.
+ (parse_args): Improve error messages.
+ (maybe_paste_with_next): Use CONTEXT_VARARGS rather
+ than ON_REST_ARG.
+ * cpplib.c (cpp_push_buffer): Fix grammar in message.
+ * cppmain.c (main): Set callbacks for #ident and #pragma
+ only if no_output option is false.
+ (do_pragma_implementation): Only call the #pragma handler
+ if it is set in the cpp_reader structure.
+
+Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
+
+ * integrate.c (copy_insn_list): if an ignored return value
+ is being clobbered, skip cloning that into the inline copy.
+
+2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
+ use @uref for formatting URLs.
+
+2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
+ name and prefix.
+
+Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
+
+ * gcc.c (cpp_options): Add spec for -ftabstop=.
+ (invoke_as): New spec that handles invoking as.
+ Update specs to handle -save-temps and -traditional.
+ * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
+ Use invoke_as.
+ * cp/lang-specs.h, objc/lang-specs.h: Update to use
+ invoke_as, and handle -save-temps and -traditional (if
+ appropriate).
+
+2000-09-26 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
+ op0 is a SUBREG.
+ (function_arg_slotno): Accept TImode/CTImode.
+ * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
+ to UNITS_PER_WORD.
+
+2000-09-26 Michael Hayes <mhayes@cygnus.com>
+
+ * flow.c (flow_loop_pre_header_scan): Punt if loop enters
+ from entry block.
+
+2000-09-25 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
+ (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
+ (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
+ (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
+
+Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
+
+ * cpplex.c (parse_args): Don't set VOID_REST flag.
+ (CONTEXT_VARARGS): New flag.
+ (maybe_paste_with_next): Set context earlier in loop. Use
+ it. Do varargs test with CONTEXT_VARARGS flag.
+ (push_arg_context): Set CONTEXT_VARARGS flag if we're
+ pushing an argument context for a varargs argument.
+ * cpplib.h (VOID_REST): Delete.
+ * gcc.dg/cpp/vararg1.c: Add test case.
+
+2000-09-25 Branko Cibej <branko.cibej@hermes.si>
+
+ * flags.h: Declare warning flag warn_system_headers.
+ * toplev.c: Define it.
+ (W_options): Add option -Wsystem-headers.
+ * diagnostic.c (count_error): Test warn_system_headers.
+ * invoke.texi: Add description for -Wsystem-headers.
+ * cpplib.h (cpp_options): New member warn_system_headers.
+ * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
+ CPP_IN_SYSTEM_HEADER.
+ * cpplib.c (do_import, do_pragma_once): Likewise.
+ * cpperror.c (_cpp_begin_message): Test warn_system_headers
+ and CPP_IN_SYSTEM_HEADER.
+ * cppinit.c (handle_option): Recognize -Wsystem_headers.
+ (print_help): Describe -Wsystem_headers.
+ * cpplex.c (lex_line): Reorganize condition so that warnings
+ about C++ comments in system headers can be enabled. Remove
+ label do_line_comment.
+
+Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
+
+ * cpplex.c (save_comment): Only store the initial '/'
+ now.
+ (lex_token): Combine handling of the two comment types.
+ Pass everything but the initial '/' to save_comment.
+
+Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
+
+ * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
+ _cpp_can_paste): New library-internal prototypes.
+ * cpplex.c (dump_param_spelling, output_line_command,
+ output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
+ cpp_printf, cpp_output_list): Move to cppoutput.c.
+ (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
+ * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
+ cppoutput.c.
+ * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
+ dump_param_spelling, output_line_command, cpp_scan_buffer,
+ cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
+ from elsewhere.
+ * Makefile.in: Add cppoutput.c.
+ * po/POTFILES.in: Add cppoutput.c.
+
+2000-09-25 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
+ * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
+ split until after reload.
+ (rotlsi3, rotldi3): New.
+
+2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.c (output_last_position): Define.
+ (set_real_maximum_length): Tweek.
+ * diagnostic.h (output_last_position): Declare.
+
+2000-09-25 Kazu Hirata <kazu@hxi.com>
+
+ * config/i386/i386.c: Fix formatting.
+
2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
* emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
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