+2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * invoke.texi (-Wtraditional): Update WRT function macros.
+
+Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * except.c (free_exception_table): Do not free NULL.
+
+2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (do_if): Don't save and restore only_seen_white here.
+ * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
+ and skipping here.
+
+2000-05-29 Richard Earnshaw (rearnsha@arm.com)
+
+ * flow.c (mark_used_reg): If a register is unconditionally live,
+ remove any conditional death information.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * final.c (current_output_insn): New.
+ (final_scan_insn): Set it.
+ * output.h: Declare it.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * stor-layout.c (finalize_record_size): Fix typo.
+
+ * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
+ if nlabel is null.
+
+2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (cpp_reader): Remove if_stack. Change
+ potential_control_macro to a cpp_hashnode *. Add skipping flag.
+ * cpphash.h (struct ihash): Change control_macro to a
+ cpp_hashnode * and shorten name to cmacro.
+ Add NEVER_REINCLUDE constant.
+
+ * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
+ Examine the cmacro node directly, no need to call cpp_defined.
+ (_cpp_execute_include, read_include_file): Set cmacro to
+ NEVER_REINCLUDE, not U"".
+ * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
+ (cpp_get_token): If pfile->skipping is true, discard text and
+ keep scanning until we hit a directive; don't expand macros.
+
+ * cpplib.c (struct if_stack): Remove if_succeeded, add
+ was_skipping. Change control_macro to a cpp_hashnode * and
+ shorten name to cmacro. Remove typedef IF_STACK.
+ (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
+ (conditional_skip, skip_if_group,
+ consider_directive_while_skipping): Delete.
+ (push_conditional): New.
+ (_cpp_handle_directive): Don't process directives other than
+ conditionals if we are skipping.
+
+ (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
+ Update to new scheme.
+ (validate_else): Skip rest of line here, unconditionally.
+ (_cpp_unwind_if_stack): The stack is per-buffer. Force
+ pfile->skipping off.
+
+ (all): Remove `scare quotes' from error messages.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * function.c (emit_return_into_block): New line_note arg; emit it.
+ (thread_prologue_and_epilogue_insns): Attempt to locate a line note
+ for the close brace to accompany HAVE_return. Move all line notes
+ following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * longlong.h [__alpha] (count_leading_zeros): New.
+ (count_trailing_zeros): New.
+ (COUNT_LEADING_ZEROS_0): New.
+
+ * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
+ (alpha_split_conditional_move): New.
+ * config/alpha/alpha-protos.h: Prototype them.
+ * config/alpha/alpha.h (PREDICATE_CODES): Update.
+ (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
+ * config/alpha/alpha.md: Update ffs cix commentary.
+ (*ze_and_ne): New.
+ (*nabssf2, *nabsdf2): New.
+ (*mov[qhsd]icc_internal): Use add_operand.
+ (if_then_else constant splitters): New.
+ (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
+ (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (force_to_mode) [MINUS]: Convert subtraction from
+ a constant to NEG or NOT when conditions allow.
+
+ * combine.c (combine_simplify_rtx): Don't create an if_then_else
+ unless both args are general_operand. Don't canonicalize plus
+ to ior unless it helps.
+
+ * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
+ instead track register_life_up_to_date. Toggle no_new_pseudos
+ around if_convert.
+
+2000-05-28 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
+ so output_operand doesn't see them.
+
+Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * lcm.c (make_preds_opaque): Fix comment.
+ (optimize_mode_switching): Use NORMAL_MODE instead of
+ MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
+ FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
+ Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
+ * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
+ (MODE_USES_IN_EXIT_BLOCK): Delete.
+ (MODE_AT_ENTRY) Rename to NORMAL_MODE.
+ * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
+ (MODE_AT_ENTRY): Rename to NORMAL_MODE.
+ (MODE_NEEDED): Don't look for USE.
+ (EPILOGUE_USES): Define.
+
+Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * mklibgcc.in (all): Variable initialised to `libgcc'.
+
+2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * toplev.h (skip_leading_substring): New macro.
+ * toplev.c (decode_f_option): Use skip_leading_substring instead
+ of strncmp.
+ (decode_W_option): Likewise.
+
+2000-05-28 Nick Clifton <nickc@cygnus.com>
+
+ * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
+ modify reg_names.
+
+2000-05-28 Richard Henderson <rth@cygnus.com>
+
+ * regclass.c (record_operand_costs): Protect reg_changes_size
+ with CLASS_CANNOT_CHANGE_SIZE.
+
+ * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
+
+2000-05-28 Richard Henderson <rth@cygnus.com>
+
+ * function.c (diddle_return_value): A pcc-style struct return
+ returns a pointer.
+
+2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c: Read files in, using mmap if possible, then
+ prescan them separately.
+ (read_file, read_with_read): New functions.
+ * cpplex.c: Don't define UCHAR_MAX.
+ (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
+ the file here.
+
+ * cppinit.c (handle_option): Automatically define __cplusplus,
+ __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
+ the respective -lang switch.
+
+ * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
+ prototype): Move to...
+ * cpplib.h: ... here. Rename struct hashnode to struct
+ cpp_hashnode and give it a typedef. Rename _cpp_lookup to
+ cpp_lookup. Add 'fe_value' slot, a union tree_node *.
+
+2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.md (movsi): Constify 'name'.
+
+ * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
+ (class_can_change_size): New variable.
+ (reg_changes_size): New variable.
+ (init_reg_sets_1): Initialise class_can_change_size.
+ (record_operand_costs): Remove subreg_changes_size.
+ Don't pass it around. Instead update reg_changes_size.
+ (regclass): Initialise and free reg_changes_size. If a register
+ changes size, don't preference it to a class that contains
+ registers that can't change size.
+ (record_reg_classes): Don't look at subreg_changes_size.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * print-rtl.c (reg_names): Remove const.
+ * regclass.c (reg_names): Likewise.
+ * regs.h (reg_names): Likewise.
+ * hard-reg-set.h (reg_names): Likewise.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (alpha_does_function_need_gp): Test
+ TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
+ (alpha_expand_prologue): Emit prologue_mcount if needed.
+ * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
+ * config/alpha/alpha.md (prologue_mcount): New.
+ * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
+ (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
+ * config/alpha/netbsd.h: Likewise.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
+ change to config/elfos.h.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (resource.o): Depend on except.h.
+ * except.h (output_exception_table_data): Prototype.
+ * genconfig.c (gen_peephole2): Prototype.
+ * genemit.c (main): Include ggc.h.
+ * genoutput.c: Revert parts of last change: include errors.h
+ (main): Set progname.
+ * recog.c: Include hard-reg-set.h before recog.h.
+ * resource.c: Include except.h.
+
+ * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
+ with RTX_CODE.
+ (alpha_write_linkage): Protect with BUFSIZ.
+ (alpha_need_linkage): Update prototype.
+ * config/alpha/alpha.c (function_arg): Move VMS code here.
+ (alpha_links_base): Remove.
+ (alpha_links): New.
+ (mark_alpha_links_node, mark_alpha_links): New.
+ (alpha_write_one_linkage): New.
+ (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
+ (alpha_write_linkage): Use splay_tree_foreach.
+ * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
+ to get the linkage symbol.
+ (call_value_vms): Likewise.
+ * config/alpha/elf.h (output_file_directive): Remove decl.
+ (ctors_section, dtors_section): Prototype.
+ (sbss_section, sdata_section): Prototype.
+ * config/alpha/vms.h (FUNCTION_ARG): Remove.
+ (readonly_section, link_section, literals_section): Prototype.
+ (ctors_section, dtors_section): Prototype.
+ (vms_valid_decl_attribute_p): Remove decl.
+ (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
+
+2000-05-27 Geoff Keating <geoffk@cygnus.com>
+
+ * reload.c (get_secondary_mem): Don't widen floating-point modes.
+
+ * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
+ substituting the REG in a (subreg:X (reg:Y ...)).
+
+2000-05-28 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
+ first token of a line BOL. Update EOF code for this.
+ Remove illegal directive check - it appears in the (not
+ yet committed) caller.
+ * cpplib.h (BOL): New flag.
+
+2000-05-28 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (_cpp_init_toklist): No comment space to initialise.
+ (_cpp_free_toklist): No comment space to free.
+ (expand_comment_space): Remove.
+ (save_comment_space): Place the comment in the current token and
+ not in a separate comment space.
+ (_cpp_lex_line): Save comments during plain code and #define
+ directives only.
+ * cpplib.h (struct _cpp_toklist): Remove comment space.
+
+2000-05-28 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c (parse_assertion): Supply extra argument to
+ _cpp_init_toklist.
+ * cpplib.c (do_assert, do_unassert): Similarly.
+ * cpphash.h (_cpp_init_toklist) Update.
+ (_cpp_expand_token_space): New.
+ (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
+ * cpplex.c (_cpp_init_toklist): New argument.
+ (parse_string2): New argument multiline_ok.
+ (spell_token): Take a const cpp_token *.
+ (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
+ (SPELL_ macros): Replace with enum.
+ (expand_token_space): Replace with _cpp_expand_token_space.
+ Take COUNT argument.
+ (IS_DIRECTIVE): Update.
+ (_cpp_lex_line): Update token structure before parsing number.
+ Don't assume start at beginning of token list.
+ (save_comment): Use INIT_TOKEN_NAME.
+
+2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
+
+ * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
+ -Wmissing-prototypes.
+ * configure: Regenerate.
+ * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
+
+ * builtins.c, calls.c: Change all instances of gen_call_* or
+ gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
+ * calls.c (struct_value_size_rtx): Separate definition from
+ initialization to avoid unused variable warning.
+
+ * genflags.c (gen_macro): New function.
+ (gen_proto): Call it for gen_call_* and gen_sibcall_*.
+ (gen_nonproto): Delete.
+ (gen_insn): Put all insns on the same obstack.
+ (main): Generate prototypes for everything unconditionally.
+
+ * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
+ out check for wchar_t.
+ * acconfig.h: Add template for ssize_t. Remove @TOP@.
+ * system.h: Add infrastructure for defining missing
+ TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
+ definitions of UCHAR_MAX and SSIZE_MAX.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+ * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
+ Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
+ headers.
+ (clean): No need to delete libgcc1.a, libgcc1-asm.a,
+ libgcc2.a, or libgcc1.null.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (recog.o): Don't depend on resource.h.
+ * recog.c: Don't include resource.h.
+ (recog_last_allowed_insn): Remove.
+ (recog_next_insn): Remove.
+ (struct peep2_insn_data): New.
+ (peep2_insn_data, peep2_current): New.
+ (peep2_next_insn): New.
+ (peep2_regno_dead_p, peep2_reg_dead_p): New.
+ (peep2_find_free_register): New.
+ (peephole2_optimize): Track life information by insn as we go.
+ * recog.h: Update declarations.
+ * resource.c (find_free_register, reg_dead_p): Remove.
+ * resource.h: Remove their declarations.
+ * toplev.c: Include hard-reg-set.h before recog.h.
+
+ * genconfig.c (max_insns_per_peep2): New.
+ (gen_peephole2): New.
+ (main): Call it.
+ * genemit.c (output_peephole2_scratches): Generate calls to
+ peep2_find_free_register; adjust surrounding code.
+ (main): Have insn-emit.c include hard-reg-set.h before recog.h.
+ * genrecog.c (change_state): Don't track last_insn.
+ (write_action): Write into *_pmatch_len before accepting.
+ (write_tree): Adjust peephole2_insns and subroutines to match.
+
+ * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
+
+ * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
+ (hard_int_register_operand): New.
+ * config/alpha/alpha-protos.h: Declare it.
+ * config/alpha/alpha.h (PREDICATE_CODES): Update.
+ * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
+ as needed; use peep2_reg_dead_p instead of dead_or_set_p.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * function.c (thread_prologue_epilogue_insns): Don't move the
+ line note at the head of the chain. Only force a lineno note
+ before the end of block 0.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * gensupport.c (collect_insn_data): Record the maximum number
+ of alternatives, not the last seen.
+
+ * genoutput.c: Don't include errors.h.
+ (struct data): Add lineno member.
+ (have_error): New.
+ (scan_operands): Use message_with_line instead of error.
+ (validate_insn_alternatives): Likewise.
+ (gen_insn): Accept and store the pattern's line number.
+ (gen_peephole, gen_expand, gen_split): Likewise.
+ (main): Don't set progname. Pass line_no to gen_foo.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
+ * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
+ * config/d30v/d30v.md (attr predicable): New.
+ (all insn patterns): Mark non-predicable patterns; use %: on the rest.
+ (andsi3*): Unify into one pattern.
+ (iorsi3*, xorsi3*): Likewise.
+ (peephole2 patterns): Use peep2_reg_dead_p; verify not a
+ conditional return.
+ (old cond_exec patterns): Remove.
+ (define_cond_exec): New.
+
+Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.h (TREE_CODE_LENGTH): New macro.
+ * c-common.c (c_find_base_decl): Use it.
+ * expr.c (safe_from_p): Likewise.
+ * print-tree.c (print_node): Likewise.
+ * tree.c (make_node, copy_node, get_identifier): Likewie.
+ (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
+ (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
+ * fold-const.c (make_range): Likewise.
+ (fold): Likewise; also use first_rtl_op.
+ * c-iterate.c (collect_iterators): Use first_rtl_op.
+ * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
+ Use IS_EXPR_CODE_CLASS.
+ (preexpand_calls): Likewise.
+ * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
+ and TREE_CODE_LENGTH.
+ * stmt.c (warn_if_unused_value): If no operands, no unused value.
+
+2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
+ than '%1(%*)'.
+ (movdi_internal64): Likewise.
+
+ * config/rs6000/rs6000.md: Correct order of operands for DImode
+ boolean patterns.
+
+ * config/rs6000/rs6000.c (boolean_or_operator): New function.
+ * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
+ * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
+ * config/rs6000/rs6000.md: Use boolean_or_operator instead of
+ boolean_operator for the boolean patterns without NOTs.
+
+ * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
+ from reg_or_u_cint_operand. Change comment and behaviour.
+ (logical_operand): Clean up, add assertion.
+ (non_logical_cint_operand): Also check for
+ reg_or_logical_cint_operand.
+ * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
+ * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
+ in the expander.
+ (xorsi3): Likewise.
+ (iordi3): Likewise.
+ (xordi3): Likewise.
+
+2000-05-26 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (struct record_layout_info): Rename to (struct
+ record_layout_info_s).
+ * stor-layout.c (start_record_layout): Replace
+ `record_layout_info' with `record_layout_info_s'.
+
+2000-05-26 Richard Earnshaw <rearnsha@arm.com>
+
+ * flow.c (find_label_refs): New function.
+ (find_basic_blocks_1): Call it for each alternative of a call
+ placeholder.
+
+2000-05-26 Richard Earnshaw <rearnsha@arm.com>
+
+ * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
+ of get_pc.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (alpha_comparison_operator): Don't be
+ so strict about DImode.
+ (alpha_swapped_comparison_operator): Likewise.
+ * config/alpha/alpha.md (*setne_internal): Name it. Allow
+ any integer output mode.
+ (*setcc_internal): Likewise.
+ (*setcc_swapped_internal): Likewise.
+ (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
+ (*mov[qhs]icc_internal): New.
+ (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
+
+2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * bb-reorder.c (reorder_block_def): Reorder elements for size.
+ Remove add_jump; add next; replace flags with visited.
+ (rbd_init): Remove.
+ (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
+ (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
+ (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
+ (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
+ (RBI): New.
+ (reorder_index, reorder_last_visited): Remove.
+ (skip_insns_after_block): Rewrite to use a switch.
+ (get_common_dest): Remove.
+ (chain_reorder_blocks): Remove.
+ (record_effective_endpoints): Split out from reorder_basic_blocks.
+ (make_reorder_chain): Likewise. Loop until all blocks are placed.
+ (make_reorder_chain_1): Renamed from old make_reorder_chain.
+ Only construct the reorder chain, do not move insns. Try harder
+ to tail recurse.
+ (label_for_bb, emit_jump_to_block_after): New.
+ (fixup_reorder_chain): Use them. Do bulk block movement. Examine
+ and adjust the jump insns appropriately. Fixup basic_block_info.
+ (verify_insn_chain): Always define.
+ (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
+ in allocation size.
+ (make_new_scope): Don't write zeros to calloc'd space.
+ (build_scope_forest): Rely on xrealloc to DTRT.
+ (reorder_basic_blocks): Don't build loop nest. Don't fail if
+ profile_arc_flag. Streamline EH test.
+
+ * flow.c (redirect_edge_succ, redirect_edge_pred): New.
+ * basic-block.h: Declare them.
+
+2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
+
+ * emit-rtl.c (reset_used_decls): New function.
+ (unshare_all_rtl_again): Call it.
+
+2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (maybe_macroexpand): Warn about function-like
+ macros used in non-function context, if -Wtraditional.
+
+2000-05-25 Mark Mitchell <mark@codesourcery.com>
+
+ * recog.c (peephole2_optimize): Use INSN_P.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (seq_contains_jump): New.
+ (noce_try_store_flag_constants): Use it to fail conversion.
+ (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
+
+2000-05-25 Mark Mitchell <mark@codesourcery.com>
+
+ * except.h (can_throw): Declare it.
+ * except.c (can_throw): Give it external linkage.
+ * resource.c (find_dead_or_set_registers): Use can_throw.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_set_1): Don't record conditionally dead memory.
+
+2000-05-25 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
+ and pc_set at the place of simplejump_p and condjump_p.
+ * cse.c (record_jump_equiv): Likewise.
+ * emit-rtl.c (emit): Likewise.
+ * explow.c (find_next_ref): Likewise.
+ * flow.c (tidy_fallthru_edge): Likewise.
+ (init_propagate_block_info): Likewise.
+ * gcse.c (delete_null_pointer_checks): Likewise.
+ * ifcvt.c (cond_exec_get_condition, noce_get_condition,
+ dead_or_predicable): Likewise.
+ * integrate.c (copy_insn_list): Likewise.
+ * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
+ for_each_insn_in_loop, check_dbra_loop, get_condition,
+ insert_bct, load_mems): Likewise.
+ * resource.c (find_dead_or_set_registers): Likewise.
+ * sibcalls.c (simplejump_p): Likewise.
+ * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
+
+2000-05-25 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
+ to STRING case. Use doubleword STRING move for TARGET_POWERPC64
+ when unaligned.
+ * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
+ (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
+ (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
+ * rs6000.md: Name various internal patterns.
+
+2000-05-25 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (invert_exp_1): Remove first argument, use pc_set
+ to get the expression.
+ (redirect_exp): Make static; redirect only the pc_set expression,
+ remove first argument.
+ (invert_exp): Remove first argument, make static.
+ (jump_optimize): Use any_condjump_p, any_uncondjump_p and
+ any_onlyjump at most places where we originaly did condjump_p
+ and simplejump_p.
+ (jump_back_p, follow_jumps, thread_jumps): Likewise.
+ (delete_barrier_succesors): Use pc_set.
+ (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
+ calls of invert_exp and redirect_exp.
+ * rtl.h (redirect_exp, invert_exp): Remove.
+ * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * stmt.c (expand_end_bindings): Fix thinko last change.
+
+2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
+ Andrew Haley <aph@cygnus.com>
+
+ * except.c (func_eh_entry): Add emitted field.
+ (new_eh_region_entry): Set emitted field to 0;
+ (output_exception_table_entry): Only emit previously un-emitted data,
+ and send it to the eh_data section.
+ (output_exception_table): Break out common parts. Output
+ exception table for entire compilation unit to eh_data section.
+ (output_exception_table_data): Common parts of output_exception_table.
+ Send output to eh_data section.
+ (output_function_exception_table): Output exception table data for
+ a single function to eh_data section.
+ (free_exception_table): New external to free the table.
+ * except.h (free_exception_table): Add prototype.
+ (output_function_exception_table): Add prototype.
+ * final.c (final_end_function): Output function exception table
+ for IA64_UNWIND_INFO.
+ (final_scan_insn): Emit any unwind directives for an insn.
+
+ * frame-dwarf2.c: New file containing all DWARF 2 specific code
+ from frame.c.
+ * frame.c: Remove all DWARF 2 specific code.
+ * config/ia64/frame-ia64.c: New file.
+ (gthread_stuff): Make all gthread available with
+ IA64_UNWIND_INFO.
+ (dwarf_fde): Define an IA64 struct for dwarf_fde.
+ (__register_frame_info, __register_frame): Move to common area of file.
+ (__register_frame_info_table, __register_frame_table): Move to common i
+ area.
+ (__deregister_frame_info, __deregister_frame): Move to common area.
+ (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
+ (read_uleb128): New version for ia64.
+ (get_unwind_record): Read the next IA-64 unwind record.
+ (read_R_record): Read a region header record.
+ (process_a_b_reg_code): X record helper.
+ (read_X_record): Read an X format record.
+ (read_B_record): Read a B format record.
+ (P3_record_types): List of record types matching the P3 format.
+ (P7_record_types): List of record types matching the P7 format.
+ (P8_record_types): List of record types matching the P8 format.
+ (read_P_record): Read a P format record.
+ (init_ia64_reg_loc): Set default fields for a register.
+ (init_ia64_unwind_frame): Set defaults for all register records.
+ (execute_one_ia64_descriptor): Execute one descriptor record.
+ (rse_address_add): Calculate the position of a local reg in memory.
+ (normalize_reg_loc): Turn a location descriptor into a memory address.
+ (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
+ within a specified PC offset range.
+ (get_real_reg_value): Given a register location, retrieve its value.
+ (set_real_reg_value): Change the value of a register location.
+ (copy_reg_value): Copy reg values, if needed.
+ (copy_saved_reg_state): Copy all registers that need to be copied.
+ (process_state_between): Normalize all frame register records that
+ fall within the specified PC range.
+ (frame_translate): Take a processed frame description, and turn
+ everything into addresses.
+ (build_ia64_frame_state ): Find and create frame state record for a PC.
+ (get_personality): Get the personality routine for a given frame.
+ (get_except_table): Get the exception table for a given frame.
+ (record_name): Unwind record names for debugging.
+ (print_record): Print and unwind record.
+ (print_all_records): Print an entire unwind image.
+ (__ia64_backtrace): Print a backtrace.
+ (ia64_backtrace_helper): New function.
+ (__register_frame_info_aux): New function.
+ * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
+
+ * frame.h (enum unw_record_type): New unwind record types.
+ (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
+ (struct unw_r_record, unwind_record): New unwind record structs.
+ (struct unwind_info_ptr): Unwind information layout.
+ (IA64_UNW_LOC_TYPE_*): Macros for different types for location
+ descriptors.
+ (struct ia64_reg_loc): Register location description.
+ (struct ia64_frame_state): Location of all registers in a frame.
+ (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
+ * libgcc2.c (__ia64_personality_v1): Personality routine.
+ (__calc_caller_bsp): Calculate the bsp register for the caller's
+ frame.
+ (ia64_throw_helper): Figure out who to return to and set up the
+ registers.
+ (__throw): Throw routine.
+
+ * output.h (assemble_eh_align, assemble_eh_label): New functions
+ to generate EH info where we want it.
+ (assemble_eh_integer): New function.
+ * toplev.c (compile_file): Output module level exception table for
+ non-ia64 targets.
+ (main): Set exceptions_via_longjump and flag_new_exceptions based
+ on IA64_UNWIND_INFO too.
+
+ * varasm.c (assemble_eh_label): Generate a label via
+ ASM_OUTPUT_EH_LABEL if it has been specified.
+ (assemble_eh_align): Generate an alignment directive via
+ ASM_OUTPUT_EH_ALIGN if it has been specified.
+ (assemble_eh_label): Generate an integer value via
+ ASM_OUTPUT_EH_type if they have been specified.
+ * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
+ (ia64_init_builtins): Add __builtin_ia64_bsp
+ and __builtin_ia64_flushrs.
+ (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
+ IA64_BUILTIN_FLUSHRS.
+ * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
+ IA64_BUILTIN_FLUSHRS.
+
+ * config/ia64/ia64.md (flushrs): New insn to flush the register
+ stack. Add to unspec list.
+
+ * config/ia64/crtbegin.asm (frame_object): Change size.
+ (__do_frame_setup_aux): New function.
+ * config/ia64/crtend.asm: call __do_frame_setup_aux.
+ * config/ia64/t-ia64 (LIB2ADDEH): Add.
+ * Makefile.in (LIB2ADDEH): Add.
+ (LIB2ADD): Use LIB2ADDEH.
+
+2000-05-24 Richard Henderson <rth@cygnus.com>
+
+ * recog.c (offsettable_address_p): If mode size is zero, assume
+ BIGGEST_ALIGNMENT.
+
+2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
+
+ * configure.in: Check for -Wno-long-long option support and improve
+ handling of warning CFLAGS for stages 1 and 2.
+ * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
+ * configure: Regenerate.
+
+Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
+
+ * gcc.texi: Remove contributor list. Instead include contrib.texi.
+ * contrib.texi: New file.
+
+Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (basic_induction_var): Avoid double recording of an increment.
+
+Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * Back out this patch:
+ Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
+ * loop.h (struct induction): Add multi_insn_incr.
+ * loop.c (basic_induction_var): New multi_insn_incr argument.
+ Set it if we search back through previous insns for the biv.
+ (record_biv): New multi_insn_incr argument; fill in struct induction.
+ (strength_reduce): Discard an iv with multiple bivs, any of
+ which require multiple insns to increment.
+
+ * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
+
+Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * rtl.h (loc_mentioned_in_p): Declare.
+ * reload.c (loc_mentioned_in_p): Moved from here...
+ * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
+ Fix loop increment for 'E' handling.
+ * loop.c (strength_reduce): When doing biv->giv conversion,
+ take multi-insn biv increments into account.
+
+2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
+
+ * stmt.c (expand_end_bindings): Look through NOTEs to find a
+ BARRIER.
+
+2000-05-24 Mark Mitchell <mark@codesourcery.com>
+
+ * calls.c (expand_call): Handle cleanups in tail-recursion
+ arguments analagously to cleanups in sibling calls.
+
+2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
+ All callers changed.
+
+2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
+
+ * expr.c (expand_assignment, store_expr, expand_expr,
+ expand_expr_unaligned): Set in_check_memory_usage while emitting
+ chkr_check_addr libcall.
+
+2000-05-24 Nick Clifton <nickc@cygnus.com>
+
+ * fold-const.c (extract_muldiv): When constructing a
+ multiplier/divisor, do not expect const_binop to correctly
+ determine if overflow has occured, so check explicitly.
+
+2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
+
+ * c-decl.c (build_enumerator): Don't modify the value's type,
+ convert it.
+
+2000-05-24 Andreas Jaeger <aj@suse.de>
+
+ * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
+
+2000-05-24 Eric Christopher <echristo@cygnus.com>
+
+ * configure.in: Redefine inhibit_libc conditions.
+ * libgcc2.c: Remove inhibit_libc conditional define.
+ * configure: Regenerate.
+
+2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
+
+ * configure.in: For --enable-languages=LIST, check for empty LIST.
+ * configure: Regenerate.
+
+2000-05-24 Lars Brinkhoff <lars@nocrew.org>
+
+ * pdp11.h (STACK_BOUNDARY): Define.
+
+2000-05-24 Jakub Jelinek <jakub@redhat.com>
+
+ * ifcvt.c (if_convert): Update life info globally.
+
+2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * emit-rtl.c (unshare_all_decls): New function.
+ (unshare_all_rtl): Call it.
+
+2000-05-23 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in: Treat 'strongarm' as if it were 'arm' when
+ determining cpu type.
+
+ * configure: Regenerate.
+
+ * config/arm/arm.c: Change 'char *' to 'const char *' for cases
+ where constant strings are involved.
+
+ * config/arm/arm.h (arm_condition_codes): Change type to 'const
+ char *'.
+
+ * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
+ cases where constant strings are involved.
+
+Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/sh/sh.c (gen_far_branch, split_branches): Update
+ to reflect new prototypes for redirect_jump and invert_jump.
+ (sh_insn_length_adjustment): Get rid of const warnings.
+
+2000-05-23 Kazu Hirata <kazu@hxi.com>
+
+ * invoke.texi (Options for Debugging Your Program or GCC): Update
+ the names of dump files.
+
+Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
+ * configure: Regenerated.
+
+2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * simplify-rtx.c (SIGN_EXTEND): New macro.
+ (simplify_unary_operation, simplify_binary_operation,
+ simplify_relational_operation): Use SIGN_EXTEND. Make low
+ halves of (low, high) pairs unsigned if they weren't already.
+ (simplify_ternary_operation): Cast INTVAL to unsigned before
+ comparing to a MODE_BITSIZE.
+
+2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
+ rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
+
+ * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
+ gcc_AC_NEED_DECLARATIONS.
+
+ * dwarfout.c: Don't prototype time().
+
+ * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
+
+ * system.h: Likewise.
+
+ * toplev.c: Likewise.
+
+2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-decl.c (pushdecl): Invert sense of test for non-global types.
+
+Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
+
2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
* config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
git://gcc.gnu.org / gcc.git / blobdiff