+Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
+ (EDGE_CRITICAL_P): New predicate.
+ * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
+ handling.
+ (insert_insn_on_edge): Use EDGE_CRITICAL_P.
+ (dump_edge_info): Remove "crit".
+ * cfganal.c (mark_critical_edges): Kill.
+ * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
+ * cfgcleanup.c (cleanup_cfg): Likewise.
+ * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
+ (find_spanning_tree): Likewise.
+ * reg-stack.c (convert_regs_1): Likewise.
+ * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
+
+ * basic-block.h (create_basic_block_structure): New.
+ (create_basic_block): Update prototype.
+ (force_nonfallthru): New.
+ * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
+ * cfg.c (create_basic_block_structure): Rename from create_basic_block;
+ handle updating of block_for_insn, creating of empty BBs and BBs at
+ the end of INSN chain.
+ (create_basic_block): New function.
+ (split_block): Use create_basic_block.
+ (force_nonfallthru_and_redirect): Break out from ...; cleanup
+ (redirect_edge_and_branch_force): ... here.
+ (force_nonfallthru): New.
+ (split_edge): Rewrite to use force_nonfallthru and create_block.
+ * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
+ (find_basic_blocks): Free basic_block_for_insn.
+ * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
+
+ * cfg.c: Fix formating.
+ * cfgcleanup.c: Fix formating.
+ (merge_blocks, tail_recursion_label_p): Return bool.
+ (merge_blocks_move_predecessor_nojumps,
+ merge_blocks_move_successor_nojumps): Return void.
+
+2001-09-11 Jakub Jelinek <jakub@redhat.com>
+
+ * configure.in: Check whether assembler supports section merging.
+ * config.in: Rebuilt.
+ * configure: Rebuilt.
+ * varasm.c (variable_section, output_constant_pool): Pass alignment
+ to SELECT_SECTION and SELECT_RTX_SECTION.
+ (mergeable_string_section): New.
+ (mergeable_constant_section): New.
+ (default_elf_asm_named_section): Output SECTION_MERGE and
+ SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
+ * output.h (mergeable_string_section): New.
+ (mergeable_constant_section): New.
+ (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
+ * toplev.c (flag_merge_constants): New.
+ (f_options): Add -fmerge-constants and -fmerge-all-constants
+ options.
+ (toplev_main): Default to -fno-merge-constants if not optimizing.
+ * flags.h (flag_merge_constants): Add extern.
+ * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
+ * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
+ argument.
+ * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
+ Define if assembler has working .subsection -1 support.
+ (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
+ Put constant into special SHF_MERGE sections if the linker should
+ attempt to merge duplicates.
+ * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
+ macro argument.
+ Put constant into special SHF_MERGE sections if the linker should
+ attempt to merge duplicates.
+ * config/alpha/elf.h: Likewise.
+ (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
+ has working .subsection -1 support.
+ * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
+ SELECT_SECTION.
+ * config/svr3.h: Likewise.
+ * config/darwin.h: Likewise.
+ * config/arm/aof.h: Likewise.
+ * config/arm/linux-elf.h: Likewise.
+ * config/avr/avr.h: Likewise.
+ * config/c4x/c4x.h: Likewise.
+ * config/d30v/d30v.h: Likewise.
+ * config/i386/dgux.h: Likewise.
+ * config/i386/osfrose.h: Likewise.
+ * config/i386/sco5.h: Likewise.
+ * config/i386/svr3gas.h: Likewise.
+ * config/ia64/aix.h: Likewise.
+ * config/m32r/m32r.h: Likewise.
+ * config/m68k/m68k.h: Likewise.
+ * config/m88k/dgux.h: Likewise.
+ * config/m88k/m88k.h: Likewise.
+ * config/mcore/mcore-pe.h: Likewise.
+ * config/mips/mips.h: Likewise.
+ * config/pa/pa.h: Likewise.
+ * config/pa/pa-linux.h: Likewise.
+ * config/romp/romp.h: Likewise.
+ * config/rs6000/sysv4.h: Likewise.
+ * config/rs6000/xcoff.h: Likewise.
+ * config/s390/linux.h: Likewise.
+ * config/sparc/sparc.h: Likewise.
+ * config/sparc/sysv4.h: Likewise.
+ * config/stormy16/stormy16.h: Likewise.
+ * config/v850/v850.h: Likewise.
+ * config/vax/vms.h: Likewise.
+ * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
+ and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
+ * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
+ default_elf_asm_named_section for SHF_MERGE sections.
+
+Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
+ is OK.
+
+2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (split_specs_attrs): Allow for empty attributes with
+ empty TREE_PURPOSE. Fixes PR c/4294.
+
+Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * basic-block.h (cached_make_edge, make_single_succ): New.
+ (make_edge): Remove first parameter.
+ * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
+ * cfg.c (cached_make_edge): Rename from make_edge; return newly
+ created edge; use obstack allocation.
+ (make_edge, make_single_succ_edge): New.
+ (first_removed_edge): New static variable.
+ (init_flow): Initialize first_removed_edge and n_edges.
+ (clear_edges): Use remove_edge.
+ (flow_delete_block): Likewise.
+ (remove_edge): Add removed edges to the removed edges list.
+ (split_block, redirect_edge_and_branch_force, split_edge):
+ Use make_edge.
+ * cfganal.c (flow_call_edges_add): Updaet make_edge call.
+ (add_noreturn_fake_exit_edges): Likewise.
+ (connect_infinite_loops_to_exit): Liekwise.
+ * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
+ Use cached_make_edge.
+ * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
+ * profile.c (branch_prob): Update make_edge call.
+ * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
+
+2001-09-11 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c: Tidy formatting.
+ (local_symbolic_operand): Verify mode.
+ (alpha_sa_mask): Ignore unicos for eh_return.
+ (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
+ * config/alpha/alpha.md (umk divsi patterns): Remove.
+ (extendsfdf2): Remove unicos check.
+ (tablejump): Merge vms and unicos code; always use direct set
+ plus label_ref use.
+
+2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * config.gcc (alpha*-*-unicosmk*): New target.
+
+ * config/alpha/alpha-protos.h (symbolic_operand,
+ unicosmk_add_call_info_word, unicosmk_add_extern,
+ unicosmk_defer_case_vector, unicosmk_unique_section,
+ unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
+ unicosmk_asm_file_start, unicosmk_asm_file_end,
+ unicosmk_output_common): Declare.
+
+ * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
+ direct_return, function_arg, alpha_va_start, alpha_va_arg,
+ alpha_does_function_need_gp, alpha_end_function): Support Cray
+ Unicos/Mk.
+ (alpha_init_machine_status, alpha_mark_machine_status,
+ alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
+ unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
+ unicosmk_asm_named_section, unicosmk_insert_attributes,
+ unicosmk_section_type_flags, symbolic_operand,
+ unicosmk_output_module_name, unicosmk_output_default_externs,
+ unicosmk_output_dex, unicosmk_output_externs,
+ unicosmk_output_addr_vec, unicosmk_ssib_name,
+ unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
+ unicosmk_asm_file_end, unicosmk_output_common,
+ unicosmk_section_type_flags, unicosmk_unique_section,
+ unicosmk_add_call_info_word, unicosmk_text_section,
+ unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
+ unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
+ unicosmk_dex_count, unicosmk_special_name): New.
+ (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
+ TARGET_ABI_UNICOSMK.
+ (get_aligned_mem, alpha_expand_unaligned_load,
+ alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
+ alpha_expand_unaligned_store_words): Support big-endian mode.
+ (print_operand): Likewise. New format specifier 't'. Use
+ TARGET_AS_SLASH_BEFORE_SUFFIX.
+ (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
+ (alpha_pv_save_size): Update with above change.
+ (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
+ alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
+ Unicos/Mk.
+
+ * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
+ (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
+ (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
+ (EXTRA_CONSTRAINT): New constraint 'U'.
+ (PREDICATE_CODES): Add symbolic_operand.
+
+ * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
+ UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
+ (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
+ (integer division and modulus patterns): Split in default and
+ Unicos/Mk versions.
+ (*divmodsi_internal, *divmoddi_internal): Disable for
+ TARGET_ABI_UNICOSMK.
+ (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
+ little-endian and big-endian versions.
+ (ext, ins, msk): Likewise.
+ (extv, extzv, insv): Support big-endian mode.
+ (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
+ (call_umk, call_value_umk, *call_umk, tablejump_umk,
+ *tablejump_umk_internal, *call_value_umk): New.
+ (*movdi_nofix): Add pattern for loading an address into a register on
+ TARGET_ABI_UNICOSMK.
+ (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
+ (umk_mismatch_args, arg_home_umk): New.
+ (various insns): Don't use mov, fmov, nop, fnop and unop.
+ (realign): Support TARGET_ABI_UNICOSMK.
+
+ * config/alpha/unicosmk.h: New file.
+ * config/alpha/t-unicosmk: New file.
+
+ * fixinc/inclhack.def (unicosmk_restrict): New.
+ * fixinc/fixincl.x: Regenerate.
+
+ * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
+ (wchar_t): Check for and define __WCHAR_T__.
+
+2001-09-11 Richard Sandiford <rsandifo@redhat.com>
+
+ * combine.c (simplify_shift_const): Treat shifts by the mode
+ size as undefined.
+
+2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h (struct tokenrun): New.
+ (struct cpp_context): New member bol.
+ (struct cpp_reader): New members.
+ (_cpp_init_tokenrun): New.
+ * cppinit.c (cpp_create_reader): Set up the token runs.
+ * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
+ (lex_token): New internalised version of _cpp_lex_token. Don't
+ handle directives or the multiple include opimisation here any
+ more. Simply lex a token.
+ * cpplib.c (run_directive): Clear bol.
+ (_cpp_pop_buffer): Set bol.
+ * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
+ arguments.
+
+2001-09-11 Michael Meissner <meissner@redhat.com>
+
+ * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
+ give an error if the user uses -mfp32.
+ (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
+ default options.
+ (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
+ floating point register size.
+ (EXTRA_SPECS): Add CPP_FPR_SPEC.
+
+ * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
+ HOST_WIDE_INT_PRINT_DEC to properly print the result of
+ int_size_in_bytes.
+ * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
+ * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
+
+2001-09-11 Hans-Peter Nilsson <hp@axis.com>
+
+ * dbxout.c (dbxout_parms): Fix typo in comment.
+ * unroll.c (loop_find_equiv_value): Ditto.
+ * toplev.c (rest_of_compilation): Ditto.
+ * loop.c (scan_loop): Ditto.
+ * dwarf2out.c (struct dw_fde_struct): Ditto.
+
+2001-09-10 Zack Weinberg <zackw@panix.com>
+
+ * cpplex.c (parse_identifier): Fast-path optimize. Avoid
+ copying identifier when we're just going to throw it away.
+ (parse_identifier_slow): New routine to handle abnormal cases.
+ (_cpp_lex_token): Update call site.
+
+ * hashtable.c (ht_lookup): Don't assume that the string we've
+ been given is NUL-terminated.
+ * system.h: #define __builtin_expect(a, b) to (a) if not
+ GCC >=3.0.
+
+2001-09-10 Michael Meissner <meissner@redhat.com>
+
+ * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
+ binutils, gdb.
+
+2001-09-10 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
+
+Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * builtins.c (c_getstr): Correct thinko in last change and further
+ cleanup.
+
+2001-09-10 Tim Freeman <tim@fungibole.com>
+
+ * dwarf2out.c (incomplete_types, decl_scope_table): Make them
+ into varray's and register them as roots with the garbage
+ collector so they are not collected too soon.
+
+Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
+ New.
+ * basic-block.h (flow_obstack, label_value_list,
+ tail_recursion_label_list): Declare
+ (tidy_fallthru_edges): Declare.
+ (expunge_block, last_loop_beg_note): Delete.
+ (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
+ * cfg.c: New file
+ (basic_block_for_insn, label_value_list): Move from flow.c; make global.
+ (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
+ init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
+ flow_delete_insn, flow_delete_insn_chain, create_basic_block,
+ expunge_block, flow_delete_block, compute_bb_for_insn,
+ update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
+ make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
+ redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
+ try_redirect_by_replacing_jump, last_loop_beg_note,
+ redirect_edge_and_branch, redirect_edge_and_branch_force,
+ tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
+ split_edge, insert_insn_on_edge, commit_one_edge_insertion,
+ commit_edge_insertions, dump_flow_info, debug_flow_info,
+ dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
+ verify_flow_info, purge_dead_edges, purge_all_dead_edges):
+ Move here from flow.c
+ * cfganal.c: New file.
+ (forwarder_block_p, can_fallthru, mark_critical_edges,
+ mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
+ find_unreachable_blocks, create_edge_list, free_edge_list,
+ print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
+ flow_edge_list_print, remove_fake_successors, remove_fake_edges,
+ add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
+ flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
+ flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
+ flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
+ Move here from flow.c
+ * cfgbuild.c: New file
+ (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
+ make_edges, find_basic_blocks_1, find_basic_blocks,
+ find_sub_basic_blocks): Move here from flow.c
+ * cfgcleanup.c: New file.
+ (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
+ merge_blocks_move_predecessor_nojumps,
+ merge_blocks_move_successor_nojumps, merge_blocks,
+ flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
+ try_crossjump_bb, try_optimize_cfg): Move here from flow.c
+ (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
+ if succeeded.
+ * cfgloop.c: New file
+ (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
+ flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
+ flow_loop_exit_edges_find, flow_loop_nodes_find,
+ flow_loop_pre_header_scan, flow_loop_pre_header_find,
+ flow_loop_tree_node_add, flow_loops_tree_build,
+ flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
+ flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
+ Move here from flow.c
+ * flow.c: Remove everything moved elsewhere
+ * output.h (cleanup_cfg): Return bool.
+
+ * bb-reorder.c (reorder_block_def): Remove 'index'.
+ (insert_intra_1): Add argument BB, set block for new note.
+ (make_reorder_chain): Do not depdent on BB indexes.
+ (make_reorder_chain_1): Do not use BB indexes.
+ (label_for_bb): Likewise; set BB for new insn.
+ (emit_jump_to_block_after): Likewise.
+ (fixup_reoder_chain): Sanity check that all basic blocks
+ are chained; verify newly created insn chain; remove
+ undocnitional jump simplifying; Do not use BB indexes;
+ properly initialize count and frequency information;
+ dump reordered sequence.
+ (insert_intra_bb_scope_notes): update call of insert_intra_1.
+ (insert_inter_bb_scope_notes): Set block for new insn.
+ (reorder_basic_blocks): Dump flow info before reoredering.
+
+Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (clear_reg_alias_info): Use K&R format definition.
+ Avoid unsigned warning.
+ * builtins.c: Use "unsigned int", not "unsigned".
+ (target_char_cast): Use host_integerp and tree_low_cst.
+ (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
+ (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
+ (c_getstr): Likewise.
+ (std_expand_builtin_va_arg): Use int_size_in_bytes.
+ (builtin_memcpy_read_str): Avoid unsigned warning.
+ (expand_builtin_memcpy): Alignments are unsigned.
+ (expand_builtin_strncpy, expand_builtin_memset): Likewise.
+ (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
+ * predict.c (expensive_function_p): LIMIT now unsigned.
+ * resource.c (mark_target_live_regs): Make some vars unsigned.
+ * sdbout.c: Use "unsigned int", not "unsigned".
+ (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
+ (sdbout_source_line): Likewise.
+ (sdbout_record_type_name): Remove "const" for NAME declaration.
+ * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
+
+2001-09-10 Richard Sandiford <rsandifo@redhat.com>
+
+ * calls.c (store_one_arg): Expand comment.
+
+2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * calls.c (store_one_arg): Make sure that the entire argument is
+ pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
+
+2001-09-09 Richard Henderson <rth@redhat.com>
+
+ * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
+
+Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (combine_givs): Fix computing of benefit once giv is combined.
+
+2001-09-09 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_next_sequence_number): New.
+ (alpha_this_literal_sequence_number): New.
+ (alpha_this_gpdisp_sequence_number): New.
+ (some_operand, input_operand): Add HIGH.
+ (local_symbolic_operand): New.
+ (alpha_encode_section_info): New.
+ (alpha_legitimate_address_p): Allow LO_SUM.
+ (alpha_legitimize_address): Generate HIGH+LO_SUM.
+ (alpha_expand_mov): Likewise.
+ (secondary_reload_class): Check memory_operand not general_operand
+ for FP_REGS test.
+ (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
+ (alpha_expand_unaligned_store): Likewise.
+ (alpha_expand_unaligned_load_words): Likewise.
+ (alpha_expand_unaligned_store_words): Likewise.
+ (alpha_expand_block_clear): Likewise.
+ (print_operand): Handle %#, %*, %H.
+ (print_operand_address): Handle LO_SUM.
+ (find_lo_sum): New.
+ (alpha_does_function_need_gp): Use it.
+ (alpha_expand_block_move): Fix signed compare warnings.
+ (alpha_sa_mask, alpha_align_insns): Likewise.
+ * config/alpha/alpha-protos.h: Update.
+ * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
+ (MASK_EXPLICIT_RELOCS): New.
+ (TARGET_SWITCHES): Add -mexplicit-relocs.
+ (EXTRA_CONSTRAINT): Add 'T'.
+ (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
+ (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
+ (ENCODE_SECTION_INFO): Out line.
+ (REDO_SECTION_INFO_P): New.
+ (STRIP_NAME_ENCODING): New.
+ (ASM_OUTPUT_LABELREF): New.
+ (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
+ (PREDICATE_CODES): Update.
+ * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
+ call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
+ movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
+ builtin_setjmp_receiver_er, exception_receiver_1_er,
+ call_value_osf_1_er): New patterns.
+ (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
+ (movqi, movhi, movsi): Add explicit $31 base register to lda.
+ * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
+ (FINAL_PRESCAN_INSN): New.
+
+Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
+
+2001-09-08 Andreas Jaeger <aj@suse.de>
+
+ * i386.h (TARGET_SWITCHES): Fix description.
+
+2001-09-07 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (num_insns_constant): Compute number of instructions
+ more accurately.
+
+ * doc/install.texi: Explain AIX exception handling work-around.
+ Update URL for AIX fixes.
+
+2001-09-07 Jim Wilson <wilson@redhat.com>
+
+ * alias.c (clear_reg_alias_info): New.
+ * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
+ * rtl.h (clear_reg_alias_info): Declare.
+
+2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
+ available.
+ (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
+ (m16m,edivm,emulm): Change declaration to match definition.
+
+2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * reload.c (push_reload): Check for subreg_lowpart_p instead of
+ SUBREG_BYTE being 0 when determining if the inner part of a subreg
+ can be reloaded.
+
+2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * c-common.c (signed_or_unsigned_type): Handle machine mode types
+ which have no corresponding C type.
+ * fold_const.c (target_isinf,target_isnan,target_negative): Update
+ the representation of 64-bit doubles to work with 64-bit ints.
+
+2001-09-07 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/mips/mips.c (override_options): Do not override ISA when ABI
+ specified if MIPS_CPU_STRING_DEFAULT was specified.
+
+2001-09-07 Richard Henderson <rth@redhat.com>
+
+ * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
+ (express_from_1): Wrap lines.
+ * rtlanal.c (commutative_operand_precedence): Rename from
+ operand_preference; export.
+ * rtl.h: Declare it.
+ * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
+ (simplify_binary_operation): Invoke simplify_plus_minus on
+ (CONST (PLUS ...)) as well.
+ (struct simplify_plus_minus_op_data): New.
+ (simplify_plus_minus_op_data_cmp): New.
+ (simplify_plus_minus): Use them. Avoid infinite recursion with
+ simplify_binary_operation wrt CONST.
+
+Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
+
+ * h8300-protos.h (general_operand_dst_push): Remove.
+ * h8300.c (general_operand_dst_push): Likewise.
+ * h8300.h (OK_FOR_T): Likewise.
+ (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
+ * h8300.md (pushqi_h8300): New.
+ (pushqi_h8300hs): Likewise.
+ (pushqi): Likewise.
+ (pushhi_h8300): Likewise.
+ (pushhi_h8300hs): Likewise.
+ (pushhi): Likewise.
+
+Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * genattrtab.c (attr_printf): First arg is unsigned.
+ Clean up formatting of callers.
+
+2001-09-06 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/mips/mips.c (override_options): Allow abi32 with 64 bit
+ registers.
+
+2001-09-07 Andreas Jaeger <aj@suse.de>
+
+ * i386.h (TARGET_SWITCHES): Fix descriptions.
+
+2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
+
+ * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
+
+2001-09-06 Ira Ruben <ira@apple.com>
+
+ Remove OP_IDENTIFIER.
+ * tree.def (OP_IDENTIFIER): Remove.
+ * tree.c (tree_node_kind enum): Remove op_id_kind.
+ (tree_node_kind_names): Remove "op_identifiers".
+ (make_node): Remove OP_IDENTIFIER test.
+ (build_op_identifier): Removed because it isn't being used.
+ * print-tree.c (print_node): Remove OP_IDENTIFIER case.
+ * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
+
+2001-09-06 Richard Henderson <rth@redhat.com>
+
+ * simplify-rtx.c (simplify_binary_operation): Revert last change.
+
+2001-09-06 Richard Henderson <rth@redhat.com>
+
+ * simplify-rtx.c (simplify_binary_operation): Simplify contents
+ of CONST.
+
+2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
+ number used for CR register.
+
+Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
+ Joern Rennecke (amylaar@cygnus.com)
+
+ * h8300-protos.h (h8300_return_addr_rtx): New prototype.
+ * h8300.c (initial_offset): Handle offset between RP and FP.
+ (h8300_return_addr_rtx): New function.
+ * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
+ return register.
+ (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
+ (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
+ (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
+ (CAN_ELIMINATE, REGISTER_NAMES):
+ (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
+
+2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
+
+ Remove TYPE_NONCOPIED_PARTS.
+ * tree.h (TYPE_NONCOPIED_PARTS): Remove.
+ (struct tree_type): Remove noncopied_parts.
+ * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
+ * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
+ (fixed_type_p): Remove.
+ (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
+ (expand_expr, MODIFY_EXPR): Likewise.
+ * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
+ * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
+
+2001-09-06 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
+ compiler warnings.
+ (mask64_operand): Likewise.
+ (includes_rldic_lshift_p): Likewise.
+ (includes_rldicr_lshift_p): Likewise.
+
+2001-09-05 Ziemowit Laski <zlaski@apple.com>
+
+ * objc/objc-act.c (build_message_expr): If a class method cannot
+ be found, do not issue a warning if a corresponding instance
+ method exists in the root class.
+
+2001-09-05 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
+
+2001-09-05 Zack Weinberg <zack@codesourcery.com>
+
+ * function.c (ggc_mark_struct_function): Mark f->outer.
+ * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
+ * integrate.c (output_inline_function): ... not here.
+
+Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
+
+ * i386.c (size_cost): New static variable.
+ (override_function): Use size_cost when -Os is specified.
+
+ * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
+ properly; Use current_function_calls_eh_return.
+ (ix86_expand_epilogue): Avoid dummy optimize_size tests;
+ use leave to avoid depdendancy chain.
+
+ * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
+ get BB loop_depth instead of computing it from LOOP notes.
+
+ * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
+
+2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
+ * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+ UNALIGNED_DOUBLE_INT_ASM_OP): Define
+
+2001-09-05 Jeffrey A Law (law@cygnus.com)
+ Jason Merrill (jason@redhat.com)
+
+ * stor-layout.c (layout_type): Complain if an array's size can
+ not be represented in a size_t.
+
+ * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
+
+2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
+
+ * gcc.c: (process_command) Add parentheses around assignment
+ used as truth value.
+
+2001-09-05 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.c (save_restore_insns): Don't mark any register
+ save slots as unchanging if current_function_calls_eh_return.
+
+2001-09-05 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_legitimate_address_p): New.
+ * config/alpha/alpha-protos.h: Declare it.
+ * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
+ (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
+ (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
+ (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
+ (REG_OK_FOR_BASE_P): Select one of the above.
+
+2001-09-05 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
+ (crti.o): Prefix name of object file with $(T).
+ (crtn.o): Likewise.
+
+2001-09-05 David S. Miller <davem@redhat.com>
+
+ * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
+ * config/sparc/linux64.h: Likewise.
+
+2001-09-05 Andreas Jaeger <aj@suse.de>
+
+ * doc/invoke.texi (i386 Options): -mwide-multiply is not
+ available anymore, remove the documentation.
+ (i386 Options): Fix typo, cleanup index entries.
+
+ * prefix.c (concat): Remove, we can use the version from liberty.
+
+2001-09-05 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
+ New functions split out of md file expanders.
+ * config/alpha/alpha-protos.h: Declare them.
+ * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
+
+2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmacro.c (funlike_invocation_p): No need to restore context.
+
+2001-09-04 Richard Henderson <rth@redhat.com>
+
+ * reload.c (push_reload): Export.
+ * reload.h (push_reload): Declare it.
+
+ * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
+ (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
+ * config/alpha/alpha.c (alpha_legitimize_address): New.
+ (alpha_legitimize_reload_address): Likewise.
+ * config/alpha/alpha-protos.h: Declare them.
+
+2001-09-04 Stan Shebs <shebs@apple.com>
+
+ * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
+ * config/darwin.c (machopic_stub_name): Account for internally
+ generated lib calls such as memcpy.
+
+2001-09-04 Richard Henderson <rth@redhat.com>
+
+ * unwind.h (_UA_END_OF_STACK): New flag.
+ * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
+
+Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
+
+ * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
+
+2001-09-04 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.c (save_restore_insns): Change base_offset to
+ fp_offset in second call to mips_emit_frame_related_store.
+
+2001-09-04 Hans-Peter Nilsson <hp@axis.com>
+
+ * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
+ sometimes be represented as a NOTE of type
+ NOTE_INSN_DELETED_LABEL.
+ (Insns): Document NOTE_INSN_DELETED_LABEL.
+
+2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
+
+ * c-common.h (tree_dump_index): Add more comments.
+ * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
+ (dump_option_value_info): New struct.
+ (dump_options): New array.
+ (dump_switch_p): Parse switch options symbolically.
+ * doc/invoke.texi (-fdump-ast): Rename to ...
+ (-fdump-tree): ... here. Document that options are symbolic, and
+ not all are applicable.
+
2001-09-04 David S. Miller <davem@redhat.com>
* config/sparc/sparc.md (define_splits): Kill constraints.
+ Cleanup redundant and unused insn attributes.
+ * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
+ binary, and move. Mark ialu as default.
+ (commented out define_function_unit "alu"): Kill.
+ (define_attr "use_clobbered"): Kill.
+ (whole file): Kill address insn type references. Replace
+ all unary/binary/move references with ialu.
+ * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
+ references. Replace TYPE_{UNARY,BINARY,MOVE} references with
+ TYPE_IALU.
+
+ Simplify length insn attribute and make more judicious use
+ of insn attribute defaulting.
+ * config/sparc/sparc.md (all insns with length > one): Mark as
+ insn type multi if real instructions, else use default if
+ it is a forced splitter.
+ (all insns with length == one): Use default insn length.
+ (all insns of type ialu): Use default insn type.
+
+ Fix erroneous insn attribute settings.
+ (addx): Set insn type to misc.
+ (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
+ const_umulsidi3_sp64): Set insn type to imul.
+
+ Track SFmode vs DFmode insns according to UltraSPARC
+ scheduling rules.
+ * config/sparc/sparc.md ("fptype"): New attribute, default
+ to "single".
+ (all DFmode single insns): Mark as fptype "double".
+
2001-09-03 Jakub Jelinek <jakub@redhat.com>
* loop.c (express_from_1): Fix CONSTANT_P(a) case.
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