X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2FChangeLog;h=53d4d0dccd86c9e7f01e03f6661648eacd81ebd5;hb=e9750a4eb43a8fc219810d4a6745baa42173a430;hp=abad0ac46c51fa9f80345ca1e2ed7dc564bd1426;hpb=d1f6ae0c9050665ae2bf936cc6fd0dcc076ee0d9;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/ChangeLog b/gcc/ChangeLog index abad0ac46c5..53d4d0dccd8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,543 @@ +2002-05-24 Bryce McKinlay + + * tree.c (decl_type_context): Return NULL_TREE if decl's context is a + namespace. + +2002-05-24 Andreas Jaeger + + * ggc-page.c (alloc_page): Cast variables of type size_t to + unsigned long, adjust printf format string. + (ggc_alloc): Likewise. + (ggc_print_statistics): Likewise. + (ggc_print_statistics): Correct printf format string for SCALE to + use unsigned long. + +2002-05-24 Danny Smith + + * config/i386/mingw32.h (CPP_SPEC): Remove -remap. + +2002-05-23 Gabriel Dos Reis + Zack Weinberg + + * config/i386/mingw32.h (OUTPUT_QUOTED_STRING): Properly output + quoted strings. + * dwarf2out.c (lookup_filename): Properly quote filename in .file + directive in assembly file. + * config/m68k/dpx2.h (ASM_OUTPUT_SOURCE_FILENAME): Likewise. + * config/m88k/m88k.h (ASM_OUTPUT_SOURCE_FILENAME): Likewise. + * config/pj/pj.h (ASM_FILE_START): Likewise. + * config/rs6000/xcoff.h (ASM_FILE_START): Likewise. + * config/avr/avr.c (asm_file_end): Likewise. + * toplev.c (output_quoted_string): Handle possibly signed plain + char. + * toplev.h (output_clean_symbol_name): Declare + * toplev.c (output_clean_symbol_name): Define. + * config/alpha/alpha.c (unicosmk_output_module_name): Use it. + * config/1750a/1750a.h (ASM_FILE_START): Likewise. + +2002-05-24 Alan Modra + + * config/rs6000/rs6000.c (output_toc): Mask longs to 32 bits. + +2002-05-23 Vladimir Makarov + + * genautomata.c (reserv_sets_hash_value): Use shift equal to 3/4 + of size of unsigned. + +2002-05-23 Richard Henderson + + * configure.in (HAVE_AS_TLS): New test. + * config.in, configure: Rebuild. + * config/i386/i386.c (TARGET_HAVE_TLS): Set if HAVE_AS_TLS. + (ix86_tls_dialect_string, ix86_tls_dialect): New. + (override_options): Set it. + (tls_model_chars, tls_symbolic_operand): New. + (tls_symbolic_operand_1, global_dynamic_symbolic_operand): New. + (local_dynamic_symbolic_operand, initial_exec_symbolic_operand): New. + (local_exec_symbolic_operand): New. + (get_pic_label_name): Merge into output_set_got. + (ix86_asm_file_end): Emit pic_label_name if defined. + (legitimate_constant_p, constant_address_p): New. + (legitimate_pic_operand_p): New. + (legitimate_pic_address_disp_p): Handle GOTTPOFF, NTPOFF, DTPOFF. + (legitimate_address_p): Likewise. + (ix86_encode_section_info): Rename from i386_; handle tls decls. + (ix86_strip_name_encoding): New. + (get_thread_pointer): New. + (legitimize_address): Handle tls symbols. + (output_pic_addr_const): Handle GOTTPOFF, TPOFF, NTPOFF, DTPOFF. + Remove UNSPEC_PLT. + (struct machine_function): Add some_ld_name. + (get_some_local_dynamic_name, get_some_local_dynamic_name_1): Set it. + (print_operand) [&]: Use it. Handle UNSPEC_TP. + (output_addr_const_extra): New. + (maybe_get_pool_constant): New. + (ix86_split_to_parts): Use it. + (ix86_expand_move): Handle tls symbols. + (ix86_tls_get_addr): New. + * config/i386/i386.h (TARGET_GNU_TLS, TARGET_SUN_TLS): New. + (TARGET_OPTIONS): Add tls-dialect. + (CONSTANT_ADDRESS_P): Use new out-of-line function. + (LEGITIMATE_CONSTANT_P): Likewise. + (LEGITIMATE_PIC_OPERAND_P): Likewise. + (TARGET_STRIP_NAME_ENCODING): New. + (ASM_OUTPUT_LABELREF): New. + (PRINT_OPERAND_PUNCT_VALID_P): Add '&'. + (OUTPUT_ADDR_CONST_EXTRA): New. + (PREDICATE_CODES): Update. + (ix86_tls_dialect, ix86_tls_dialect_string): New. + * config/i386/i386.md: Regroup and renumber unspec constants. + (tls_global_dynamic_gnu, tls_global_dynamic_sun): New. + (tls_local_dynamic_base_gnu, tls_local_dynamic_base_sun): New. + (tls_global_dynamic, tls_local_dynamic_base): New. + (tls_local_dynamic_once): New. + * config/i386/i386-protos.h: Update. + +2002-05-23 Richard Henderson + + * genemit.c (gen_insn): Print file:lineno comment before function. + (main): likewise. + * gensupport.c (struct queue_elem): Add filename member. + (queue_pattern): Initialize it; update all callers. + (process_include): Don't free filename. + (read_md_rtx): Set read_rtx_filename. + +2002-05-23 Hans Boehm + + * config/ia64/linux.h (IA64_GATE_AREA_END): Adjust for 64K pages. + +2002-05-23 Richard Henderson + + * config/i386/i386.c (output_set_got): Fix typo in pic no-deep case. + +2002-05-23 Richard Henderson + + * doc/extend.texi (C++98 Thread-Local Edits): Update with + commentary from Mark. + +2002-05-23 Zdenek Dvorak + + * bb-reorder.c (make_reorder_chain, make_reorder_chain_1): + Use FOR_EACH_BB macros to iterate over basic block chain. + * cfg.c (clear_edges, clear_bb_flags, dump_flow_info, + alloc_aux_for_blocks, clear_aux_for_blocks, alloc_aux_for_edges): + Likewise. + * cfganal.c (set_edge_can_fallthru_flag, flow_call_edges_add, + find_unreachable_blocks, create_edge_list, verify_edge_list, + remove_fake_edges, add_noreturn_fake_exit_edges, + flow_preorder_transversal_compute, flow_dfs_compute_reverse_execute): + Likewise. + * cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks, + find_sub_basic_blocks): Likewise. + * cfgcleanup.c (try_optimize_cfg, delete_unreachable_blocks): + Likewise. + * cfglayout.c (record_effective_endpoints, cleanup_unconditional_jumps): + Likewise. + * cfgloop.c (flow_loops_cfg_dump, flow_loops_find): + Likewise. + * cfgrtl.c (compute_bb_for_insn, tidy_fallthru_edges, + commit_edge_insertions, commit_edge_insertions_watch_calls, + print_rtl_with_bb, verify_flow_info, purge_all_dead_edges): Likewise. + * combine.c (combine_instructions, reg_dead_at_p): Likewise. + * conflict.c (conflict_graph_compute): Likewise. + * df.c (df_bitmaps_alloc, df_bitmaps_free, df_alloc, df_analyse_1, + df_modified_p, df_refs_unlink, df_dump): Likewise. + * dominance.c (calc_dfs_tree, calculate_dominance_info): Likewise. + * final.c (compute_alignments): Likewise. + * flow.c (update_life_info, update_life_info_in_dirty_blocks, + delete_noop_moves, calculate_global_regs_live, allocate_bb_life_data, + count_or_remove_death_notes): Likewise. + * gcse.c (oprs_unchanged_p, record_last_reg_set_info, + compute_hash_table, compute_kill_rd, compute_rd, compute_ae_kill, + classic_gcse, compute_transp, cprop, compute_pre_data, + compute_transpout, invalidate_nonnull_info, + delete_null_pointer_checks_1, delete_null_pointer_checks, + compute_code_hoist_vbeinout, hoist_code, compute_ld_motion_mems, + compute_store_table, build_store_vectors, store_motion): Likewise. + * global.c (global_conflicts, mark_elimination): Likewise. + * graph.c (print_rtl_graph_with_bb): Likewise. + * haifa-sched.c (sched_init): Likewise. + * ifcvt.c (if_convert): Likewise. + * lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete, + compute_available, compute_nearerout, compute_rev_insert_delete, + optimize_mode_switching): Likewise. + * local-alloc.c (local_alloc, update_equiv_regs): Likewise. + * predict.c (estimate_probability, note_prediction_to_br_prob, + propagate_freq, counts_to_freqs, expensive_function_p, + estimate_bb_frequencies): Likewise. + * profile.c (instrument_edges, get_exec_counts, + compute_branch_probabilities, compute_checksum, branch_prob, + find_spanning_tree): Likewise. + * recog.c (split_all_insns, peephole2_optimize): Likewise. + * reg-stack.c (reg_to_stack, convert_regs_entry, convert_regs): + Likewise. + * regclass.c (scan_one_insn, regclass): Likewise. + * regmove.c (mark_flags_life_zones, regmove_optimize, + record_stack_memrefs): Likewise. + * regrename.c (regrename_optimize, copyprop_hardreg_forward): Likewise. + * reload1.c (reload, reload_combine, fixup_abnormal_edges): Likewise. + * resource.c (find_basic_block): Likewise. + * sched-ebb.c (schedule_ebbs): Likewise. + * sched-rgn.c (is_cfg_nonregular, build_control_flow, + find_single_block_region, find_rgns, schedule_insns) + * sibcall.c (optimize_sibling_and_tail_recursive_call) + * ssa-ccp.c (optimize_unexecutable_edges, + ssa_ccp_df_delete_unreachable_insns): Likewise. + * ssa-dce.c (ssa_eliminate_dead_code): Likewise. + * ssa.c (find_evaluations, compute_dominance_frontiers_1, + rename_block, convert_to_ssa, compute_conservative_reg_partition, + compute_coalesced_reg_partition, rename_equivalent_regs, + convert_from_ssa): Likewise. + * config/ia64/ia64.c (emit_predicate_relation_info, process_epilogue, + process_for_unwind_directive): Likewise. + + * df.c (FOR_ALL_BBS): Removed. + * gcse.c (struct null_pointer_info): Type of current_block field + changed. + (struct reg_avail_info): Type of last_bb field changed. + * config/ia64/ia64.c (block_num): Removed. + (need_copy_state): Type changed. + (last_block): New. + +2002-05-23 Neil Booth + + * cppinit.c (mark_named_operators): Split out from init_builtins. + (cpp_finish_options): Call it from here instead. + +2002-05-23 Jason Thorpe + + * builtin-attrs.def: Update copyright years. + (ATTR_NONNULL): New attribute identifier. + (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_3): New + attribute tree lists. + (DEF_FORMAT_ATTRIBUTE): Chain a nonnull attribute for the + format operand. + (ATTR_FORMAT_ARG_1, ATTR_FORMAT_ARG_2): Use... + (DEF_FORMAT_ARG_ATTRIBUTE): ...this to generate format_arg + attribute lists. Chain the appropriate nonnull attribute. + * c-format.c (check_format_arg): Remove null format string + warning. + * testsuite/gcc.dg/format/null-1.c: New test. + +2002-05-23 Rainer Orth + + * Makefile.in (ADAC): Define. + (SYSLIBS): Define. + (.SUFFIXES): Move before language makefile fragments. + (STAGE2_FLAGS_TO_PASS): Use stage CC as ADAC. + +2002-05-23 Mark Mitchell + + * varasm.c (make_decl_rtl): Don't allow weak variables to be + placed in common. + +Thu May 23 19:43:41 CEST 2002 Jan Hubicka + + * cfg.c (dump_flow_info): Print results of + maybe_hot/probably_never_executed predicates. + * toplev.c (open_dump_file): Print function frequency. + +2002-05-23 David S. Miller + + * cse.c (approx_reg_cost_1, approx_reg_cost): Recode to not use + regsets. + +2002-05-23 Jason Thorpe + + * c-common.c (warn_nonnull): Declare. + (c_common_attribute_table): Add "nonnull" attribute. + (handle_nonnull_attribute, check_function_nonnull, nonnull_check_p, + check_nonnull_arg, get_nonnull_operand, check_function_arguments, + check_function_arguments_recurse): New functions. + * c-common.h (warn_nonnull): Declare extern. + (check_function_arguments, check_function_arguments_recurse): New + prototypes. + * c-decl.c (c_decode_option): Add -Wnonnull option. + * c-format.c (set_Wformat): Set warn_nonnull if enabling + format checking. + (format_check_context): New structure. + (check_format_info_recurse): Remove recursion and rename to... + (check_format_arg): ...this. Update comment. + (check_format_info): Use check_function_arguments_recurse. + * c-typeck.c (build_function_call): Call check_function_arguments + instead of check_function_format. + * doc/extend.texi: Document "nonnull" attribute. + * doc/invoke.texi: Docuemnt -Wnonnull option. + * testsuite/gcc.dg/nonnull-1.c: New test. + * testsuite/gcc.dg/nonnull-2.c: New test. + +2002-05-23 David S. Miller + + * basic-block.h (CLEANUP_NO_INSN_DEL): Define it. + * cfgcleanup.c (cleanup_cfg): If it is set do not + attempt to delete trivially dead insns. + * except.c (finish_eh_generation): Pass it to cleanup_cfg. + * toplev.c (rest_of_compilation): Document non-trivial aspect + the RTL before optimize_save_area_alloca is run. + +2002-05-23 Neil Booth + + * c-lex.c (indent_level): Remove. + (cb_file_change, c_lex): Remove indent level handling. + * c-lex.h (indent_level): Remove. + * input.h (struct file_stack): Remove indent_level. + * toplev.c (push_srcloc): Remove indent_level handling. + +2002-05-23 Jakub Jelinek + + PR target/6753 + * config/i386/i386.md (sse_movdfcc, sse_movdfcc_eq): Use Y instead + of x in constraints for clarity. + (sse_mov?fcc split): abort if op2 == op3. + (sse_movsfcc_const0_1, sse_movsfcc_const0_2, sse_movsfcc_const0_3, + sse_movsfcc_const0_4): Add earlyclobber. + (sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3, + sse_movdfcc_const0_4): Likewise. Use DFmode, not SFmode. + Use Y instead of x in constraints. + +2002-05-23 Richard Henderson + + * doc/extend.texi (C99 Thread-Local Edits): New subsection. + (C++98 Thread-Local Edits): New subsection. + + * config/i386/i386.c, config/i386/i386.h: Tidy comments and whitespace. + (ix86_arch): Set type to enum processor_type. + + * config/i386/i386.md (movsi_1, movdi_1_rex64): Use + LEGITIMATE_PIC_OPERAND_P not SYMBOLIC_CONST. + +2002-05-23 Jakub Jelinek + + * configure.in: Fix as version test for binutils 2.12.1 releases + (without dates). + * configure: Rebuilt. + +2002-05-23 Richard Henderson + + * config/i386/i386.c (get_pic_label_name): New. + (load_pic_register): Remove. + (output_set_got): New. + (ix86_expand_prologue): Use gen_set_got; mark insn REG_MAYBE_DEAD. + * config/i386/i386.md (UNSPEC_SET_GOT): New. + (UNSPECV_PROLOGUE_SET_GOT, UNSPECV_PROLOGUE_GET_PC): Remove. + (prologue_set_got, prologue_get_pc): Remove. + (set_got, set_got_nopic, set_got_deep, set_got_nodeep): New. + (builtin_setjmp_receiver): Use gen_set_got. + * config/i386/i386-protos.h: Update. + +Thu May 23 09:22:23 CEST 2002 Jan Hubicka + + * gcse.c (hash_expr): Do not use alias set for hashing. + +2002-05-22 Kevin Buettner + + * dbxout.c (dbxout_class_name_qualifiers): New function. + (dbxout_symbol): Output class/struct qualifiers for a .stabs entry. + +2002-05-23 Neil Booth + + * cpperror.c (_cpp_begin_message): No special casing + of CPP_FATAL_LIMIT. + * cppinit.c (sanity_checks): s/DL_FATAL/DL_ICE/. + (output_deps, cpp_handle_option, cpp_post_options): Use DL_ERROR. + * cpplib.c (do_include_common): Use DL_ERROR. + * cpplib.h (CPP_FATAL_LIMIT, CPP_FATAL_ERRORS, DL_FATAL): Remove. + (DL_ICE): Renumber. + * fix-header.c (read_scan_file): Update. + +2002-05-22 Richard Henderson + + * config/i386/i386.c (ix86_expand_call): New function, extracted + from md call patterns. Add pic_offset_table_rtx to + CALL_INSN_FUNCTION_USAGE when needed. + * config/i386/i386.md (call_pop, call): Use ix86_expand_call. + (call_value_pop, call_value, untyped_call): Likewise. + (call_exp, call_value_exp): Remove. + * config/i386/i386-protos.h: Update. + +2002-05-22 Richard Henderson + + * varasm.c (default_section_type_flags): Check for VAR_DECL + before using DECL_THREAD_LOCAL. + +2002-05-22 David Edelsohn + + * config/rs6000/aix43.h (LINK_SPEC): Add PE initializer. + (STARTFILE_SPEC): Delete PE crt0.o. + * config/rs6000/aix51.h: Same. + * config/rs6000/rs6000.c: Use TARGET_XCOFF, not OBJECT_FORMAT_COFF. + * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): Append [DS] to + function descriptor symbol. Use RS6000_OUTPUT_BASENAME. + (ASM_OUTPUT_DEF_FROM_DECLS): Use RS6000_OUTPUT_BASENAME. + * config/rs6000/xcoff.h (ASM_OUTPUT_DEF): Define. + +2002-05-22 Richard Henderson + + * varasm.c (default_section_type_flags): Handle tls data and + default sections. + (default_unique_section): Handle tls sections. + +2002-05-23 Alan Modra + + * configure.in (CROSS): Define NATIVE_CROSS. + * configure: Regenerate. + * gcc.c (STARTFILE_PREFIX_SPEC): Define. + (startfile_prefix_spec): New var. + (static_specs): Add startfile_prefix_spec. + (do_spec_2): Split out from.. + (do_spec): ..here. + (main): Process startfile_prefix_spec. + * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC) Change name of + dynamic linker. + (STARTFILE_PREFIX_SPEC): Define. + (STARTFILE_LINUX_SPEC, ENDFILE_LINUX_SPEC): Rewrite without + absolute paths. + +2002-05-22 Kazu Hirata + + * cpperror.c: Fix formatting. + * cppexp.c: Likewise. + * cppfiles.c: Likewise. + * cpphash.c: Likewise. + * cpphash.h: Likewise. + * cppinit.c: Likewise. + * cpplex.c: Likewise. + * cpplib.c: Likewise. + * cppmacro.c: Likewise. + * cppmain.c: Likewise. + * cppspec.c: Likewise. + +2002-05-22 Jakub Jelinek + + * combine.c (force_to_mode): Use gen_int_mode. + Don't clear CONST_INT bits outside of mode. + +2002-05-22 Richard Henderson + + * fixinc/inclhack.def (thread_keyword): Match __thread as last arg. + * fixinc/fixincl.x, fixinc/tests/base/pthread.h: Rebuild. + +2002-05-22 Jakub Jelinek + + PR c/6643 + * emit-rtl.c (widen_memory_access): Only call compare_tree_int + if DECL_SIZE_UNIT is INTEGER_CST. + +2002-05-22 Richard Henderson + + * flow.c (life_analysis): Delete broken reg_label check. + +2002-05-22 Richard Henderson + + * fixinc/inclhack.def (thread_keyword): Allow as any prototype arg. + * fixinc/fixincl.x, fixinc/tests/base/pthread.h: Rebuild. + +Wed May 22 18:39:57 2002 J"orn Rennecke + + * t-sh (LIB2FUNCS_EXTRA): Now embed-bb.c. + (embed-bb.c): New rule. + * t-sh64 (LIB2FUNCS_EXTRA): Don't change. + * config/sh/embed_bb.c: Delete. + +Wed May 22 18:25:29 2002 J"orn Rennecke + + * c-common.c (cb_register_builtins): Don't indent '#' of #define. + +2002-05-22 Kazu Hirata + + * config/h8300/h8300.md (*andorqi3): New. + +2002-05-22 Neil Booth + + PR preprocessor/6517 + * Makefile.in: Update. + * c-common.c (c_common_post_options): Add preprocessor + errors to the error count. + * c-lang.c (c_post_options): Kill. + (LANG_HOOKS_POST_OPTIONS): Use c_common_post_options. + * hooks.h: Add header guards. + * langhooks-def.h: Include hooks.h. + (LANG_HOOKS_POST_OPTIONS): Update. + * langhooks.h (struct lang_hooks): Update post_options. + * toplev.c (parse_options_and_default_flags): Update. +objc: + * objc-lang.c (objc_post_options): Kill. + (LANG_HOOKS_POST_OPTIONS): Use c_common_post_options. + +2002-05-21 Bruce Korb + + * fixinc/tests/base/pthread.h(THREAD_KEYWORD_CHECK): add fix check + * fixinc/inclhack.def(thread_keyword): use c_fix = format. + * fixinc/fixincl.x: regen. + +2002-05-21 Kazu Hirata + + * cfgbuild.c: Fix formatting. + * cfg.c: Likewise. + * cfgcleanup.c: Likewise. + * cfglayout.c: Likewise. + * cfgloop.c: Likewise. + * cfgrtl.c: Likewise. + +2002-05-21 Richard Henderson + + * c-common.h (enum rid): Add RID_THREAD. + * c-decl.c (start_decl): Do not set DECL_COMMON for tls variables. + (grokdeclarator): Grok __thread. + * c-parse.in (reswords): Add __thread. + (rid_to_yy): Add RID_THREAD. + + * tree.h (DECL_THREAD_LOCAL): New. + (struct tree_decl): Add thread_local_flag. + * print-tree.c (print_node): Dump DECL_THREAD_LOCAL. + * tree.c (staticp): TLS variables are not static. + + * target-def.h (TARGET_HAVE_TLS): New. + * target.h (have_tls): New. + * output.h (SECTION_TLS): New. + * varasm.c (assemble_variable): TLS variables can't be common for now. + (default_section_type_flags): Handle .tdata and .tbss. + (default_elf_asm_named_section): Handle SECTION_TLS. + (categorize_decl_for_section): Handle DECL_THREAD_LOCAL. + + * flags.h (flag_tls_default): Declare. + * toplev.c (flag_tls_default): Define. + (display_help): Display help for it. + (decode_f_option): Set it. + + * doc/extend.texi (Thread-Local): New node describing language-level + thread-local storage. + * doc/invoke.texi (-ftls-model): Document. + + * fixinc/inclhack.def (thread_keyword): New. + * fixinc/fixincl.x: Rebuild. + +2002-05-21 Jeffrey A Law + + * optabs.c (expand_binop): For double-word integer multiplies, + do not compute intermediate results into something that is + not a register (such as a SUBREG or MEM). + + * i386.c (ix86_sched_reorder_ppro): Fix typo/thinko. + (ix86_sched_reorder): Make sure to initialize scheduling + data even when there's only one insn in the ready queue. + +2002-05-21 Vladimir Makarov + + * genautomata.c (reserv_sets_hash_value): Fix a typo. + +2002-05-21 Vladimir Makarov + + * genautomata.c (reserv_sets_hash_value): Define hash_value as + set_el_t. Transform the hash value into unsigned. + (output_cycle_reservs): Fix bug with output of repeated `nothing'. + (transform_3): Add code to process `(A,B)+(D,E)'. + +2002-05-21 NIIBE Yutaka + + * reload1.c (do_output_reload): Run delete_output_reload + only if optimizing. + 2002-05-21 Roger Sayle PR middle-end/6600 @@ -33,30 +573,33 @@ 2002-05-21 Zdenek Dvorak - * bb-reorder.c (make_reorder_chain_1): Modified. + * bb-reorder.c (make_reorder_chain_1): Use prev_bb/next_bb to get to + neighbouring basic blocks. Use ENTRY_BLOCK_PTR->next_bb instead of + BASIC_BLOCK (0). Use EXIT_BLOCK_PTR->prev_bb instead of + BASIC_BLOCK (n_basic_blocks - 1). * cfganal.c (can_fallthru, flow_call_edges_add, - flow_preorder_transversal_compute): Modified. + flow_preorder_transversal_compute): Too. * cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks, - find_sub_basic_blocks): Modified. - * cfgcleanup.c (try_simplify_condjump, try_optimize_cfg): Modified. + find_sub_basic_blocks): Too. + * cfgcleanup.c (try_simplify_condjump, try_optimize_cfg): Too. * cfglayout.c (skip_insns_after_block, fixup_reorder_chain, - fixup_fallthru_exit_predecessor, cfg_layout_redirect_edge): Modified. - * cfgrtl.c (tidy_fallthru_edges, verify_flow_info): Modified. + fixup_fallthru_exit_predecessor, cfg_layout_redirect_edge): Too. + * cfgrtl.c (tidy_fallthru_edges, verify_flow_info): Too. * combine.c (this_basic_block): Type changed to basic_block. (combine_instructions, set_nonzero_bits_and_sign_copies, try_combine, nonzero_bits, num_sign_bit_copies, get_last_value_validate, - get_last_value, distribute_notes, distribute_links): Modified. - * final.c (compute_alignments): Modified. - * flow.c (regno_uninitialized, regno_clobbered_at_setjmp): Modified. - * function.c (thread_prologue_and_epilogue_insns): Modified. - * gcse.c (compute_code_hoist_vbeinout): Modified. - * global.c (build_insn_chain): Modified. - * ifcvt.c (find_if_block, find_cond_trap): Modified. - * predict.c (last_basic_block_p, note_prediction_to_br_prob): Modified. - * regmove.c (regmove_optimize): Modified. - * resource.c (find_basic_block): Modified. - * sched-ebb.c (schedule_ebbs): Modified. - * ssa-dce.c (find_control_dependence, find_pdom): Modified. + get_last_value, distribute_notes, distribute_links): Too. + * final.c (compute_alignments): Too. + * flow.c (regno_uninitialized, regno_clobbered_at_setjmp): Too. + * function.c (thread_prologue_and_epilogue_insns): Too. + * gcse.c (compute_code_hoist_vbeinout): Too. + * global.c (build_insn_chain): Too. + * ifcvt.c (find_if_block, find_cond_trap): Too. + * predict.c (last_basic_block_p, note_prediction_to_br_prob): Too. + * regmove.c (regmove_optimize): Too. + * resource.c (find_basic_block): Too. + * sched-ebb.c (schedule_ebbs): Too. + * ssa-dce.c (find_control_dependence, find_pdom): Too. 2002-05-21 Andreas Jaeger