1 2001-09-10 Michael Meissner <meissner@redhat.com>
3 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
6 2001-09-10 David Edelsohn <edelsohn@gnu.org>
8 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
10 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12 * builtins.c (c_getstr): Correct thinko in last change and further
15 2001-09-10 Tim Freeman <tim@fungibole.com>
17 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
18 into varray's and register them as roots with the garbage
19 collector so they are not collected too soon.
21 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
23 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
25 * basic-block.h (flow_obstack, label_value_list,
26 tail_recursion_label_list): Declare
27 (tidy_fallthru_edges): Declare.
28 (expunge_block, last_loop_beg_note): Delete.
29 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
31 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
32 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
33 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
34 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
35 expunge_block, flow_delete_block, compute_bb_for_insn,
36 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
37 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
38 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
39 try_redirect_by_replacing_jump, last_loop_beg_note,
40 redirect_edge_and_branch, redirect_edge_and_branch_force,
41 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
42 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
43 commit_edge_insertions, dump_flow_info, debug_flow_info,
44 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
45 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
47 * cfganal.c: New file.
48 (forwarder_block_p, can_fallthru, mark_critical_edges,
49 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
50 find_unreachable_blocks, create_edge_list, free_edge_list,
51 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
52 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
53 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
54 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
55 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
56 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
58 * cfgbuild.c: New file
59 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
60 make_edges, find_basic_blocks_1, find_basic_blocks,
61 find_sub_basic_blocks): Move here from flow.c
62 * cfgcleanup.c: New file.
63 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
64 merge_blocks_move_predecessor_nojumps,
65 merge_blocks_move_successor_nojumps, merge_blocks,
66 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
67 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
68 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
71 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
72 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
73 flow_loop_exit_edges_find, flow_loop_nodes_find,
74 flow_loop_pre_header_scan, flow_loop_pre_header_find,
75 flow_loop_tree_node_add, flow_loops_tree_build,
76 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
77 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
79 * flow.c: Remove everything moved elsewhere
80 * output.h (cleanup_cfg): Return bool.
82 * bb-reorder.c (reorder_block_def): Remove 'index'.
83 (insert_intra_1): Add argument BB, set block for new note.
84 (make_reorder_chain): Do not depdent on BB indexes.
85 (make_reorder_chain_1): Do not use BB indexes.
86 (label_for_bb): Likewise; set BB for new insn.
87 (emit_jump_to_block_after): Likewise.
88 (fixup_reoder_chain): Sanity check that all basic blocks
89 are chained; verify newly created insn chain; remove
90 undocnitional jump simplifying; Do not use BB indexes;
91 properly initialize count and frequency information;
92 dump reordered sequence.
93 (insert_intra_bb_scope_notes): update call of insert_intra_1.
94 (insert_inter_bb_scope_notes): Set block for new insn.
95 (reorder_basic_blocks): Dump flow info before reoredering.
97 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
99 * alias.c (clear_reg_alias_info): Use K&R format definition.
100 Avoid unsigned warning.
101 * builtins.c: Use "unsigned int", not "unsigned".
102 (target_char_cast): Use host_integerp and tree_low_cst.
103 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
104 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
105 (c_getstr): Likewise.
106 (std_expand_builtin_va_arg): Use int_size_in_bytes.
107 (builtin_memcpy_read_str): Avoid unsigned warning.
108 (expand_builtin_memcpy): Alignments are unsigned.
109 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
110 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
111 * predict.c (expensive_function_p): LIMIT now unsigned.
112 * resource.c (mark_target_live_regs): Make some vars unsigned.
113 * sdbout.c: Use "unsigned int", not "unsigned".
114 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
115 (sdbout_source_line): Likewise.
116 (sdbout_record_type_name): Remove "const" for NAME declaration.
117 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
119 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
121 * calls.c (store_one_arg): Expand comment.
123 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
125 * calls.c (store_one_arg): Make sure that the entire argument is
126 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
128 2001-09-09 Richard Henderson <rth@redhat.com>
130 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
132 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
134 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
136 2001-09-09 Richard Henderson <rth@redhat.com>
138 * config/alpha/alpha.c (alpha_next_sequence_number): New.
139 (alpha_this_literal_sequence_number): New.
140 (alpha_this_gpdisp_sequence_number): New.
141 (some_operand, input_operand): Add HIGH.
142 (local_symbolic_operand): New.
143 (alpha_encode_section_info): New.
144 (alpha_legitimate_address_p): Allow LO_SUM.
145 (alpha_legitimize_address): Generate HIGH+LO_SUM.
146 (alpha_expand_mov): Likewise.
147 (secondary_reload_class): Check memory_operand not general_operand
149 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
150 (alpha_expand_unaligned_store): Likewise.
151 (alpha_expand_unaligned_load_words): Likewise.
152 (alpha_expand_unaligned_store_words): Likewise.
153 (alpha_expand_block_clear): Likewise.
154 (print_operand): Handle %#, %*, %H.
155 (print_operand_address): Handle LO_SUM.
157 (alpha_does_function_need_gp): Use it.
158 (alpha_expand_block_move): Fix signed compare warnings.
159 (alpha_sa_mask, alpha_align_insns): Likewise.
160 * config/alpha/alpha-protos.h: Update.
161 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
162 (MASK_EXPLICIT_RELOCS): New.
163 (TARGET_SWITCHES): Add -mexplicit-relocs.
164 (EXTRA_CONSTRAINT): Add 'T'.
165 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
166 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
167 (ENCODE_SECTION_INFO): Out line.
168 (REDO_SECTION_INFO_P): New.
169 (STRIP_NAME_ENCODING): New.
170 (ASM_OUTPUT_LABELREF): New.
171 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
172 (PREDICATE_CODES): Update.
173 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
174 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
175 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
176 builtin_setjmp_receiver_er, exception_receiver_1_er,
177 call_value_osf_1_er): New patterns.
178 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
179 (movqi, movhi, movsi): Add explicit $31 base register to lda.
180 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
181 (FINAL_PRESCAN_INSN): New.
183 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
185 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
187 2001-09-08 Andreas Jaeger <aj@suse.de>
189 * i386.h (TARGET_SWITCHES): Fix description.
191 2001-09-07 David Edelsohn <edelsohn@gnu.org>
193 * rs6000.c (num_insns_constant): Compute number of instructions
196 * doc/install.texi: Explain AIX exception handling work-around.
197 Update URL for AIX fixes.
199 2001-09-07 Jim Wilson <wilson@redhat.com>
201 * alias.c (clear_reg_alias_info): New.
202 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
203 * rtl.h (clear_reg_alias_info): Declare.
205 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
207 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
209 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
210 (m16m,edivm,emulm): Change declaration to match definition.
212 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
214 * reload.c (push_reload): Check for subreg_lowpart_p instead of
215 SUBREG_BYTE being 0 when determining if the inner part of a subreg
218 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
220 * c-common.c (signed_or_unsigned_type): Handle machine mode types
221 which have no corresponding C type.
222 * fold_const.c (target_isinf,target_isnan,target_negative): Update
223 the representation of 64-bit doubles to work with 64-bit ints.
225 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
227 * config/mips/mips.c (override_options): Do not override ISA when ABI
228 specified if MIPS_CPU_STRING_DEFAULT was specified.
230 2001-09-07 Richard Henderson <rth@redhat.com>
232 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
233 (express_from_1): Wrap lines.
234 * rtlanal.c (commutative_operand_precedence): Rename from
235 operand_preference; export.
237 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
238 (simplify_binary_operation): Invoke simplify_plus_minus on
239 (CONST (PLUS ...)) as well.
240 (struct simplify_plus_minus_op_data): New.
241 (simplify_plus_minus_op_data_cmp): New.
242 (simplify_plus_minus): Use them. Avoid infinite recursion with
243 simplify_binary_operation wrt CONST.
245 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
247 * h8300-protos.h (general_operand_dst_push): Remove.
248 * h8300.c (general_operand_dst_push): Likewise.
249 * h8300.h (OK_FOR_T): Likewise.
250 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
251 * h8300.md (pushqi_h8300): New.
252 (pushqi_h8300hs): Likewise.
254 (pushhi_h8300): Likewise.
255 (pushhi_h8300hs): Likewise.
258 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
260 * genattrtab.c (attr_printf): First arg is unsigned.
261 Clean up formatting of callers.
263 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
265 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
268 2001-09-07 Andreas Jaeger <aj@suse.de>
270 * i386.h (TARGET_SWITCHES): Fix descriptions.
272 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
274 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
276 2001-09-06 Ira Ruben <ira@apple.com>
278 Remove OP_IDENTIFIER.
279 * tree.def (OP_IDENTIFIER): Remove.
280 * tree.c (tree_node_kind enum): Remove op_id_kind.
281 (tree_node_kind_names): Remove "op_identifiers".
282 (make_node): Remove OP_IDENTIFIER test.
283 (build_op_identifier): Removed because it isn't being used.
284 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
285 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
287 2001-09-06 Richard Henderson <rth@redhat.com>
289 * simplify-rtx.c (simplify_binary_operation): Revert last change.
291 2001-09-06 Richard Henderson <rth@redhat.com>
293 * simplify-rtx.c (simplify_binary_operation): Simplify contents
296 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
298 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
299 number used for CR register.
301 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
302 Joern Rennecke (amylaar@cygnus.com)
304 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
305 * h8300.c (initial_offset): Handle offset between RP and FP.
306 (h8300_return_addr_rtx): New function.
307 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
309 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
310 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
311 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
312 (CAN_ELIMINATE, REGISTER_NAMES):
313 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
315 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
317 Remove TYPE_NONCOPIED_PARTS.
318 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
319 (struct tree_type): Remove noncopied_parts.
320 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
321 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
322 (fixed_type_p): Remove.
323 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
324 (expand_expr, MODIFY_EXPR): Likewise.
325 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
326 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
328 2001-09-06 Alan Modra <amodra@bigpond.net.au>
330 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
332 (mask64_operand): Likewise.
333 (includes_rldic_lshift_p): Likewise.
334 (includes_rldicr_lshift_p): Likewise.
336 2001-09-05 Ziemowit Laski <zlaski@apple.com>
338 * objc/objc-act.c (build_message_expr): If a class method cannot
339 be found, do not issue a warning if a corresponding instance
340 method exists in the root class.
342 2001-09-05 Richard Henderson <rth@redhat.com>
344 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
346 2001-09-05 Zack Weinberg <zack@codesourcery.com>
348 * function.c (ggc_mark_struct_function): Mark f->outer.
349 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
350 * integrate.c (output_inline_function): ... not here.
352 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
354 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
356 * i386.c (size_cost): New static variable.
357 (override_function): Use size_cost when -Os is specified.
359 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
360 properly; Use current_function_calls_eh_return.
361 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
362 use leave to avoid depdendancy chain.
364 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
365 get BB loop_depth instead of computing it from LOOP notes.
367 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
369 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
371 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
372 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
373 UNALIGNED_DOUBLE_INT_ASM_OP): Define
375 2001-09-05 Jeffrey A Law (law@cygnus.com)
376 Jason Merrill (jason@redhat.com)
378 * stor-layout.c (layout_type): Complain if an array's size can
379 not be represented in a size_t.
381 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
383 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
385 * gcc.c: (process_command) Add parentheses around assignment
388 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
390 * config/mips/mips.c (save_restore_insns): Don't mark any register
391 save slots as unchanging if current_function_calls_eh_return.
393 2001-09-05 Richard Henderson <rth@redhat.com>
395 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
396 * config/alpha/alpha-protos.h: Declare it.
397 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
398 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
399 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
400 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
401 (REG_OK_FOR_BASE_P): Select one of the above.
403 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
405 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
406 (crti.o): Prefix name of object file with $(T).
409 2001-09-05 David S. Miller <davem@redhat.com>
411 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
412 * config/sparc/linux64.h: Likewise.
414 2001-09-05 Andreas Jaeger <aj@suse.de>
416 * doc/invoke.texi (i386 Options): -mwide-multiply is not
417 available anymore, remove the documentation.
418 (i386 Options): Fix typo, cleanup index entries.
420 * prefix.c (concat): Remove, we can use the version from liberty.
422 2001-09-05 Richard Henderson <rth@redhat.com>
424 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
425 New functions split out of md file expanders.
426 * config/alpha/alpha-protos.h: Declare them.
427 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
429 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
431 * cppmacro.c (funlike_invocation_p): No need to restore context.
433 2001-09-04 Richard Henderson <rth@redhat.com>
435 * reload.c (push_reload): Export.
436 * reload.h (push_reload): Declare it.
438 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
439 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
440 * config/alpha/alpha.c (alpha_legitimize_address): New.
441 (alpha_legitimize_reload_address): Likewise.
442 * config/alpha/alpha-protos.h: Declare them.
444 2001-09-04 Stan Shebs <shebs@apple.com>
446 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
447 * config/darwin.c (machopic_stub_name): Account for internally
448 generated lib calls such as memcpy.
450 2001-09-04 Richard Henderson <rth@redhat.com>
452 * unwind.h (_UA_END_OF_STACK): New flag.
453 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
455 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
457 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
459 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
461 * config/mips/mips.c (save_restore_insns): Change base_offset to
462 fp_offset in second call to mips_emit_frame_related_store.
464 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
466 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
467 sometimes be represented as a NOTE of type
468 NOTE_INSN_DELETED_LABEL.
469 (Insns): Document NOTE_INSN_DELETED_LABEL.
471 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
473 * c-common.h (tree_dump_index): Add more comments.
474 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
475 (dump_option_value_info): New struct.
476 (dump_options): New array.
477 (dump_switch_p): Parse switch options symbolically.
478 * doc/invoke.texi (-fdump-ast): Rename to ...
479 (-fdump-tree): ... here. Document that options are symbolic, and
480 not all are applicable.
482 2001-09-04 David S. Miller <davem@redhat.com>
484 * config/sparc/sparc.md (define_splits): Kill constraints.
486 Cleanup redundant and unused insn attributes.
487 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
488 binary, and move. Mark ialu as default.
489 (commented out define_function_unit "alu"): Kill.
490 (define_attr "use_clobbered"): Kill.
491 (whole file): Kill address insn type references. Replace
492 all unary/binary/move references with ialu.
493 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
494 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
497 Simplify length insn attribute and make more judicious use
498 of insn attribute defaulting.
499 * config/sparc/sparc.md (all insns with length > one): Mark as
500 insn type multi if real instructions, else use default if
501 it is a forced splitter.
502 (all insns with length == one): Use default insn length.
503 (all insns of type ialu): Use default insn type.
505 Fix erroneous insn attribute settings.
506 (addx): Set insn type to misc.
507 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
508 const_umulsidi3_sp64): Set insn type to imul.
510 Track SFmode vs DFmode insns according to UltraSPARC
512 * config/sparc/sparc.md ("fptype"): New attribute, default
514 (all DFmode single insns): Mark as fptype "double".
516 2001-09-03 Jakub Jelinek <jakub@redhat.com>
518 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
520 2001-09-03 Richard Henderson <rth@redhat.com>
522 * function.h (struct function): Add arg_pointer_save_area_init.
523 * function.c (expand_function_end): Init arg_pointer_save_area.
524 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
525 when called from a nested function.
527 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
529 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
532 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
534 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
536 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
538 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
539 (emit_push_insn): Use specified padding direction when
540 STACK_PUSH_CODE is POST_INC.
542 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
544 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
546 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
548 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
550 * cppinit.c (cpp_start_read): Free the imacros list as we
551 traverse it. Don't free the chains before returning.
552 (_cpp_push_next_buffer): Only try pushing buffers if we've
553 completed -imacros handling.
555 2001-08-31 Eric Christopher <echristo@redhat.com>
557 * gcc.c (handle_braces): Add explaination for abort.
559 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
561 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
562 move adjustment of bitpos instead.
564 2001-08-31 Zack Weinberg <zack@codesourcery.com>
566 * function.c: Remove all_functions. Make outer_function_chain
568 (init_function_start): Don't add new function structure to
570 (find_function_data, push_function_context_to,
571 pop_function_context_from, put_var_into_stack,
572 trampoline_address): Update for changed structure element names.
573 (push_function_context_to): Disentangle.
574 (free_after_compilation): Also free F.
575 (expand_dummy_function_end): Don't free cfun here.
576 (put_var_into_stack): Comment why we can't use find_function_data here.
577 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
578 (mark_function_chain): Split into maybe_mark_struct_function and
579 ggc_mark_struct_function. Export the latter.
580 (init_function_once): Mark from cfun and outer_function_chain;
583 * function.h (struct function): Kill next_global. Rename next
584 to outer. All users updated to match.
585 (all_functions, outer_function_chain): Don't declare.
587 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
588 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
589 don't touch f->inlinable, after calling rest_of_compilation.
591 * tree.h: Forward-declare struct function. Prototype
592 ggc_mark_struct_function.
594 2001-08-31 Kazu Hirata <kazu@hxi.com>
596 * config/h8300/h8300.md (*andorhi3): Fix typos.
598 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
600 * calls.c (emit_library_call_value): Don't use a fixed
601 argument after VA_CLOSE, i.e. out of scope in traditional C.
603 * emit-rtl.c (gen_rtvec): Likewise.
605 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
607 * Makefile.in (c-pragma.o): Depend on output.h.
608 (reorg.o): Depend on except.h.
610 * c-pragma.c: Include output.h.
612 * reorg.c: Include except.h.
614 * unwind-dw2.c: Call __builtin_alloca, not alloca.
616 2001-08-31 Richard Henderson <rth@redhat.com>
618 * sched-deps.c (add_dependence): Don't elide dependancy if the
619 conditional used by insn is modified in elem.
621 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
623 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
625 2001-08-31 Diego Novillo <dnovillo@redhat.com>
627 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
630 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
632 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
634 (stormy16_asm_out_constructor): New function.
635 (TARGET_ASM_CONSTRUCTOR): Define.
636 (TARGET_ASM_DESTRUCTOR): Define.
638 2001-08-31 Andreas Jaeger <aj@suse.de>
640 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
641 * loop.c (add_label_notes): Likewise.
642 * reload.c (find_reloads): Likewise.
643 * config/sh/sh.c (machine_dependent_reorg): Likewise.
645 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
647 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
648 code here. Take _Unwind_{W,Sw}ord*.
649 (read_encoded_value_with_base): Use them.
650 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
652 (extract_cie_info): Simplify read_?leb128 handling.
653 (execute_stack_op, execute_cfa_program): Likewise.
654 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
656 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
658 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
659 the frame pointer to pop the stack if convenient.
661 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
662 Don't use post-increment before combine.
663 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
664 a call-saved register.
666 2001-08-31 Andreas Jaeger <aj@suse.de>
668 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
671 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
673 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
674 not DIV/MOD, of course.
676 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
678 * rtl.def: Undo my patch commited 2001-08-27.
680 * genattrtab.c: Ditto.
684 * sched-int.h: Ditto.
686 * target-def.h: Ditto.
690 * haifa-sched.c: Ditto.
692 * sched-rgn.c: Ditto.
694 * sched-vis.c: Ditto.
696 * Makefile.in: Ditto.
698 * doc/md.texi: Ditto.
700 * doc/tm.texi: Ditto.
702 * doc/contrib.texi: Ditto.
704 * doc/gcc.texi: Ditto.
706 * genattrtab.h: Remove it.
708 * genautomata.c: Remove it.
710 * genattr.c: Undo my patch and Richard Henderson's patch commited
713 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
715 * config.gcc (h8300-*-elf*): New case.
716 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
717 (SUBTARGET_CPP_SPEC): Define.
718 (EXTRA_SPECS): Define.
719 (SUBTARGET_EXTRA_SPECS): Define.
720 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
721 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
723 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
725 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
726 (LIB2FUNCS_EXTRA): Define.
727 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
728 config/h8300/fixunssfsi.c: New file.
730 2001-08-30 Kazu Hirata <kazu@hxi.com>
732 * config/h8300/h8300.md (zero_extendqihi2): Changes to
733 define_expand to accomodate target-specific attributes.
734 (anonymous zero_extendqihi2 patterns): New.
736 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
738 * h8300.md (*andorhi3): New pattern.
740 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
742 * h8300.c (dosize): Fix test for "sub".
744 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
746 * c-typeck.c (pointer_diff): Try to eliminate common term before
749 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
751 * config/arm/arm.c (arm_compute_initial_elimination_offset):
752 Account for the saves of the FP registers.
754 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
755 (TEXT_SECTION_ASM_OP): Define.
756 (INIT_SECTION_ASM_OP): Define.
757 (FINI_SECTION_ASM_OP): Define.
758 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
759 (RDATA_SECTION_FUNCITON): Provide prototype.
761 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
763 * reload1.c (move2add_note_store): Correct typo checking for
766 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
768 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
769 note should not be considered outside the libcall block.
771 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
773 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
775 2001-08-29 Kazu Hirata <kazu@hxi.com>
777 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
779 2001-08-29 Kazu Hirata <kazu@hxi.com>
781 * config/h8300/h8300-protos.h: Add a prototype for
783 * config/h8300/h8300.c (emit_logical_op): New.
784 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
791 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
793 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
794 comparison with rtx INTVAL.
795 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
797 * pa.h (FUNCTION_ARG_SIZE): Likewise.
799 2001-08-29 Kazu Hirata <kazu@hxi.com>
801 * config/h8300/lib1funcs.asm: Update the copyright. Fix
804 2001-08-29 Kazu Hirata <kazu@hxi.com>
806 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
807 (reg n) to (mem (pre_dec (reg n))
808 (anonymous movsi pattern): Likewise.
810 2001-08-29 Kazu Hirata <kazu@hxi.com>
812 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
814 2001-08-29 Kazu Hirata <kazu@hxi.com>
816 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
817 several special constants.
819 2001-08-29 Kazu Hirata <kazu@hxi.com>
821 * config/h8300/lib1funcs.asm: Fix comment typos.
823 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
825 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
826 Fix format specifier warnings.
828 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
829 inet_makeaddr, semctl): Prototype.
831 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
832 (save_restore_insns): Use base_offset, not gp_offset.
834 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
835 (ASM_OUTPUT_BYTE): Fix format specifier warning.
837 2001-08-29 Richard Henderson <rth@redhat.com>
839 * bb-reorder.c (function_tail_eff_head): New.
840 (record_effective_endpoints): Set it.
841 (fixup_reorder_chain): Use it.
843 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
845 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
847 2001-08-28 Dale Johannesen <dalej@apple.com>
849 * config/darwin.c (machopic_function_base_name): Add const
850 qualifier to a string.
851 (darwin_encode_section_info): Ditto.
853 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
855 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
858 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
860 * df.h (struct df): Add rts_order variable.
862 * df.c (df_visit_next_rts): New function.
863 (df_visit_next): Renamed to df_visit_next_rc
864 (df_analyse_1): Allocate/compute/free rts_order as well.
865 (df_rd_global_compute): Use df_visit_next_rc instead of
867 (df_ru_global_compute): Use df_visit_next_rts instead of
870 * flow.c (flow_reverse_top_sort_order_compute): New function.
872 * basic-block.h: Add prototype.
874 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
876 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
877 blocks, the BB_REACHABLE is now set, rather than aux being
878 non-NULL. Update the test to reflect this.
880 2001-08-28 Eric Christopher <echristo@redhat.com>
882 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
883 config/mips/crti.asm: Ditto.
885 2001-08-28 Eric Christopher <echristo@redhat.com>
886 Richard Henderson <rth@redhat.com>
888 * c-pragma.h (add_weak): Move prototype from here...
889 * output.h (add_weak): ... to here.
890 * varasm.c (add_weak): Fix typo.
891 * config/mips/crti.asm: New file.
892 * config/mips/crtn.asm: Ditto.
893 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
894 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
895 (INVOKE__main): Ditto.
896 (INIT_SECTION_ASM_OP): New.
897 (FINI_SECTION_ASM_OP): Ditto.
898 (STARTFILE_SPEC): Add crti.
899 (ENDFILE_SPEC): Add crtn.
900 * config/mips/elf64.h: Same.
901 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
903 * config/mips/vxworks.h: Ditto.
904 * config/mips/t-elf: Support crti and crtn.
906 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
908 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
911 2001-08-28 Richard Henderson <rth@redhat.com>
913 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
914 (one_cmplbi2 splitter): Remove redundant test.
916 2001-08-28 Dale Johannesen <dalej@apple.com>
918 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
920 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
922 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
924 2001-08-28 Stan Shebs <shebs@apple.com>
926 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
927 (UNALIGNED_SHORT_ASM_OP): Define.
928 (UNALIGNED_INT_ASM_OP): Define.
930 2001-08-28 Will Cohen <wcohen@redhat.com>
932 * config/rs6000/rs6000.md (store_multiple): Correct RTL
933 generation for first set.
935 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
937 * flow.c (redirect_edge_succ_nodup): Return new edge.
938 (try_simplify_condjump): Use new edge.
939 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
941 * cse.c (cse_basic_block): Skip note instructions.
943 2001-08-27 Richard Henderson <rth@redhat.com>
945 * combine.c (combine_simplify_rtx): Don't reverse condition
946 if there is no reverse for the condition.
947 (simplify_comparison): Don't simplify subregs from INT to FP.
949 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
950 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
951 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
952 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
953 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
954 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
956 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
958 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
959 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
961 (adddi_dilshr32, adddi_dishl32): Only data register can be
962 source for mem destination.
964 * expmed.c (store_bit_field): Ignore adjustment to bitpos
965 and use bitnum to decide about register move.
967 2001-08-27 Richard Henderson <rth@redhat.com>
969 * genattr.c (main): Emit state_t even when not doing scheduling.
971 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
972 Richard Henderson <rth@redhat.com>
974 * gcse.c (reg_first_set, reg_last_set): Replace with ...
975 (reg_avail_info, current_bb): ... these.
976 (oprs_unchanged_p, record_last_reg_set_info): Use them.
977 (compute_hash_table): Likewise.
979 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
981 * flow.c (verify_flow_info): Use checksums to verify edges.
983 2001-08-27 Richard Henderson <rth@redhat.com>
985 * genautomata.c (expand_automata): Always create a description.
987 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
989 * optabs.c (expand_binop): Correctly handle the carry in multiword
990 add/subtract operations.
992 2001-08-27 Fred Fish <fnf@be.com>
994 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
997 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
999 * reload.c (find_reloads_toplev): Back out this change:
1001 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
1003 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
1004 mem if the address is a mode_dependent_address_p.
1006 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1008 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
1009 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
1010 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
1013 * genattr.c (main): New variable num_insn_reservations. Increase
1014 it if there is DEFINE_INSN_RESERVATION. Output automaton based
1015 pipeline hazard recognizer interface.
1017 * genattrtab.h: New file.
1019 * genattrtab.c: Include genattrtab.h.
1020 (attr_printf, check_attr_test, make_internal_attr,
1021 make_numeric_value): Move protypes into genattrtab.h. Define them
1023 (num_dfa_decls): New global variable.
1024 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
1025 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
1026 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
1027 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
1029 * genautomata.c: New file.
1031 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
1033 * sched-int.h: (curr_state): Add the external definition for
1034 automaton pipeline interface.
1035 (haifa_insn_data): Add comments for members blockage and units.
1037 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
1038 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
1039 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
1040 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
1041 TARGET_SCHED_DFA_POST_CYCLE_INSN,
1042 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
1043 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
1045 (TARGET_SCHED): Use the new macros.
1047 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
1048 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
1049 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
1050 dfa_bubble): New members in gcc_target.sched.
1052 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
1053 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
1054 (insn_queue): Redefine it as pointer to array.
1055 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
1057 (max_insn_queue_index_macro_value): New variable.
1058 (curr_state, dfa_state_size, ready_try): New varaibles for
1059 automaton interface.
1060 (ready_element, ready_remove, max_issue): New function prototypes
1061 for automaton interface.
1062 (choose_ready): New function prototype.
1063 (insn_unit, blockage_range): Add comments.
1064 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
1065 FUNCTION_UNITS_SIZE == 0.
1066 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
1067 actual_hazard, potential_hazard): Add comments.
1068 (insn_cost): Use cost -1 as undefined value. Remove
1069 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
1071 (ready_element, ready_remove): New functions for automaton
1073 (schedule_insn): Add new code for automaton pipeline interface.
1074 (queue_to_ready): Add new code for automaton pipeline interface.
1075 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
1076 (debug_ready_list): Print newline when the queue is empty.
1077 (max_issue): New function for automaton pipeline interface.
1078 (choose_ready): New function.
1079 (schedule_block): Add new code for automaton pipeline interface.
1080 Print ready list before scheduling each insn.
1081 (sched_init): Add new code for automaton pipeline interface.
1082 Initiate insn cost by -1.
1083 (sched_finish): Free the current automaton state and finalize
1084 automaton pipeline interface.
1086 * sched-rgn.c: Include target.h.
1087 (init_ready_list, new_ready, debug_dependencies): Add new code for
1088 automaton pipeline interface.
1090 * sched-vis.c: Include target.h.
1091 (get_visual_tbl_length): Add code for automaton interface.
1092 (target_units, print_block_visualization): Add comments.
1094 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
1095 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
1096 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
1097 (getruntime.o, genautomata.o): New entries.
1098 (genattrtab.o): Add new dependency file genattrtab.h.
1099 (genattrtab): Add new dependencies. Link it with `libm.a'.
1100 (getruntime.o, hashtab.o): New entries for canadian cross.
1102 * doc/md.texi: Description of automaton based model.
1104 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
1106 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
1107 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
1108 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
1109 TARGET_SCHED_DFA_POST_CYCLE_INSN,
1110 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
1111 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
1112 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
1114 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
1115 MAX_DFA_ISSUE_RATE): New macro descriptions.
1117 * doc/contrib.texi: Add dfa based scheduler contribution.
1119 * doc/gcc.texi: Add more information about genattrtab.
1121 2001-08-27 Diego Novillo <dnovillo@redhat.com>
1123 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
1126 2001-08-27 Richard Henderson <rth@redhat.com>
1128 * function.c (expand_function_end): Don't init arg_pointer_save_area.
1129 (get_arg_pointer_save_area): New. Create an init it here.
1130 (fix_lexical_addr): Use it.
1131 * function.h: Declare it.
1132 * builtins.c (expand_builtin_setjmp_receiver): Use it.
1133 * stmt.c (expand_nl_goto_receiver): Use it.
1135 2001-08-27 Richard Henderson <rth@redhat.com>
1137 * final.c (final_scan_insn): Don't enter APP_ON mode for
1140 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
1141 alignment for assemble_integer for DW_EH_PE_aligned.
1142 * except.c (output_function_exception_table): Likewise.
1144 2001-08-26 Andreas Jaeger <aj@suse.de>
1146 * c-tree.h: Add prototyp for c_sizeof_nowarn.
1148 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
1150 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
1152 2001-08-27 Alan Modra <amodra@bigpond.net.au>
1154 * config/rs6000/rs6000.c (mask_operand): Rewrite without
1156 (mask64_operand): Likewise.
1157 (rldic_operand): Delete.
1158 (includes_lshift64_p): Delete.
1159 (includes_rldic_lshift_p): New function.
1160 (includes_rldicr_lshift_p): New function.
1161 (print_operand): Don't call rldic_operand in case 'W'.
1162 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
1163 (includes_lshift64_p): Remove.
1164 (includes_rldic_lshift_p): Declare.
1165 (includes_rldicr_lshift_p): Declare.
1166 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
1167 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
1168 Replace match_operand rldic_operand predicate with
1169 const_int_operand. Replace includes_lshift64_p condition with
1170 includes_rldic_lshift_p.
1171 <ashldi3_internal 64 bit rldicr patterns>: New.
1173 2001-08-27 Andreas Jaeger <aj@suse.de>
1175 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
1176 * errors.c: Likewise.
1177 * final.c: Likewise.
1178 * dwarf2asm.c: Likewise.
1179 * doprint.c (checkit): Likewise.
1180 * diagnostic.c: Likewise.
1181 * collect2.c: Likewise.
1182 * calls.c: Likewise.
1183 * c-semantics.c (build_stmt): Likewise.
1184 * c-format.c (status_warning): Likewise.
1185 * c-errors.c (pedwarn_c99): Likewise.
1186 * builtins.c (validate_arglist): Likewise.
1187 * config/pj/pj.c (pj_printf): Likewise.
1188 * fix-header.c: Likewise.
1190 * gcov.c (fnotice): Likewise.
1191 * gensupport.c (message_with_line): Likewise.
1192 * mips-tfile.c: Likewise.
1193 * protoize.c (notice): Likewise.
1194 * read-rtl.c (fatal_with_file_and_line): Likewise.
1195 * rtl-error.c: Likewise.
1196 * tradcpp.c: Likewise.
1198 * cp/tree.c (build_min_nt): Likewise.
1199 (build_min): Likewise.
1200 * cp/lex.c: Likewise.
1201 * cp/errfn.c: Likewise.
1202 * cp/rtti.c (create_pseudo_type_info): Likewise.
1204 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
1206 * df.c (df_uses_record): Return after recording all uses
1209 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
1211 * df.c (df_insn_modify): Realloc the INSN table here, if
1212 necessary, here, too.
1214 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
1216 * config/mips/mips.c (mips_function_value): Handle complex return
1219 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
1221 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
1223 * reload.c (make_memloc): Copy result if it is still
1224 reg_equiv_memory_loc[regno] on return.
1225 (subst_reloads) [ENABLE_CHECKING]: Check that none of
1226 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
1227 reg_equiv_mem are modified by the substitutions.
1229 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1231 * predict.c (expensive_function_p): New.
1232 * rtl.h (expensive_function_p): Declare.
1233 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
1234 (use_fast_prologue_epilogue): New static variable.
1235 (expand_prologue): Set it; emit short prologues if unset.
1236 (expand_epilogue): Likewise.
1238 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
1240 * config.gcc: Add stormy16-*-elf case.
1241 * config/stormy16/stormy-abi: New file.
1242 * config/stormy16/stormy16-lib2.c: New file.
1243 * config/stormy16/stormy16-protos.h: New file.
1244 * config/stormy16/stormy16.c: New file.
1245 * config/stormy16/stormy16.h: New file.
1246 * config/stormy16/stormy16.md: New file.
1247 * config/stormy16/t-stormy16: New file.
1249 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1251 * i386.h (no-accumulate-outgoing-args): Use proper mask.
1253 2001-08-24 David Edelsohn <edelsohn@gnu.org>
1255 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
1256 descriptor members are pointer size, not constant 4.
1257 * config/rs6000/rs6000.md (define_splits): Remove more unused
1260 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1262 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
1264 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
1266 * cp/rtti.c (VPARAMS): Fix parameter.
1268 2001-08-24 Zack Weinberg <zackw@panix.com>
1270 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
1272 (mode_for_extraction): No need for #ifdefs. Add default-case abort
1274 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
1275 in if controlling use of insv.
1276 (extract_bit_field): Likewise, for extv and extzv.
1278 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1280 * i386.md (movcc peep2): Fix load of 0.
1282 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1284 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
1285 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
1287 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
1289 * c-pragma.h: Move weak_syms and weak_decls...
1290 * varasm.c: ...here. Now static.
1291 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
1292 depend on HANDLE_PRAGMA_WEAK.
1294 * c-common.c (c_alignof, c_alignof_expr): Move here...
1295 * c-typeck.c: ...from here.
1296 * c-tree.h, c-common.h: Adjust.
1298 2001-08-23 Bernd Schmidt <bernds@redhat.com>
1300 * config/ia64/ia64.c (rws_update): If !pred, set write_count
1301 instead of incrementing it.
1303 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
1304 asm ready, don't try to move them all into the same array element.
1306 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1308 * function.c (thread_prologue_and_epilogue_insns): Avoid
1309 fallthru flag on edge to exit.
1311 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
1313 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
1316 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
1318 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
1319 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
1320 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
1323 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
1325 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
1326 replace "GNU CC" with "GCC".
1328 2001-08-23 Richard Henderson <rth@redhat.com>
1330 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
1331 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
1332 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
1333 Need GR between FR and not GR_AND_FR.
1334 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
1335 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
1336 AR regs before GR regs.
1337 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
1338 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
1339 (REGISTER_MOVE_COST): Update.
1340 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
1342 2001-08-23 Richard Henderson <rth@redhat.com>
1344 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
1347 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
1349 * reload1.c (emit_reload_insns): Don't look for notes
1350 on a NULL store_insn.
1352 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1354 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
1355 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
1356 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
1357 format specifier warnings.
1358 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
1360 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
1362 * config/i386/i386-protos.h: Correct declaration of
1363 i386_pe_asm_named_section.
1365 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
1367 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
1369 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1371 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
1373 * cpperror.c (print_location): Don't show _Pragma.
1374 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
1375 and file change callback generation here.
1376 (stack_include_file): Update use of cpp_push_buffer.
1377 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
1378 (struct cpp_buffer): Remove type, pfile members.
1379 * cppinit.c (cpp_handle_option): Use free_chain.
1380 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
1381 (skip_escaped_newlines, get_effective_char, lex_percent): Take
1382 a cpp_reader rather than a cpp_buffer.
1383 (skip_escaped_newlines, get_effective_char, skip_block_comment,
1384 skip_line_comment, parse_string, lex_percent, lex_dot,
1385 _cpp_lex_token): Update accordingly.
1386 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
1388 (cpp_push_buffer): Update prototype.
1389 (run_directive): Update use of cpp_push_buffer.
1390 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
1391 handle_assertion): Update use of run_directive.
1392 * cpplib.h (enum cpp_buffer_type): Remove.
1393 (cpp_push_buffer): Update prototype.
1394 * fix-header.c (read_scan_file): Update.
1396 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1398 * gcc.c (struct prefix_list): Change prefix to const char *.
1400 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1402 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
1404 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
1406 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
1409 * jump.c (squeeze_notes): Take parms by reference. Handle END being
1412 * ifcvt.c (dead_or_predicable): Adjust.
1413 * loop.c (find_and_verify_loops): Adjust.
1414 * stmt.c (expand_end_case): Adjust.
1415 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
1416 head and end insn pointers in the basic block, not just local copies.
1417 (merge_blocks_move_predecessor_nojumps): Likewise.
1419 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
1421 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
1422 bitmap.h, builtin-types.def, builtins.c, builtins.def,
1423 c-aux-info.c, c-common.c, c-common.def, c-common.h,
1424 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
1425 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
1426 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
1427 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
1428 conditions.h, config.gcc, configure.frag, configure.in,
1429 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
1430 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
1431 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
1432 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
1433 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
1434 emit-rtl.c, errors.c, errors.h, except.c, except.h,
1435 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
1436 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
1437 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
1438 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
1439 gencheck.c, gencodes.c, genconfig.c, genemit.c,
1440 genextract.c, genflags.c, gengenrtl.c, genmultilib,
1441 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
1442 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
1443 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
1444 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
1445 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
1446 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
1447 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
1448 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
1449 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
1450 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
1451 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
1452 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
1453 params.h, predict.c, predict.def, predict.h, prefix.c,
1454 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
1455 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
1456 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
1457 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
1458 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
1459 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
1460 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
1461 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
1462 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
1463 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
1464 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
1465 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
1466 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
1467 xcoffout.h: replace "GNU CC" with "GCC".
1469 2001-08-21 Richard Henderson <rth@redhat.com>
1471 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
1472 (final_scan_insn): Consider jump tables data even if we have no
1473 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
1475 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
1476 (ASM_OUTPUT_CASE_END): Remove.
1477 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
1478 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
1479 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
1481 2001-08-21 Richard Henderson <rth@redhat.com>
1483 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
1484 at barrier insns. Emit stop bits before barriers.
1486 * flow.c (flow_find_cross_jump): Don't consider unconditional
1487 return insns for commoning.
1489 * final.c (compute_alignments): Fix typo.
1491 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
1492 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
1493 (store_bit_field): Use mode_for_extraction more places.
1494 (extract_bit_field): Likewise.
1496 2001-08-21 Zack Weinberg <zackw@panix.com>
1498 * caller-save.c: Don't include insn-codes.h.
1499 (reg_save_code, reg_restore_code): Make arrays of int.
1500 All uses updated to match.
1501 (insert_save, insert_restore): No need to initialize "code"
1502 variable upon declaration.
1503 * Makefile.in: update dependencies; fix typo in clean rule.
1505 2001-08-21 Richard Henderson <rth@redhat.com>
1507 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
1508 (merge_if_block): Handle fallout from same.
1510 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1512 * builtins.c (type_to_class): Fix typo in last change.
1514 2001-08-21 Richard Henderson <rth@redhat.com>
1516 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
1517 ia64_asm_output_label.
1519 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
1520 copy of gp while the real gp register contains garbage.
1522 2001-08-21 Zack Weinberg <zackw@panix.com>
1524 * expmed.c (mode_for_extraction): New function.
1525 (store_bit_field, extract_bit_field): Use it.
1526 * expr.h: Prototype it and provide an enum for its first argument.
1528 * combine.c, function.c, recog.c: Don't include insn-codes.h.
1529 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
1530 and digging through the insn_data tables.
1531 * Makefile.in: Update dependencies.
1533 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
1535 * cppfiles.c (stack_include_file): line-map.c now handles include
1537 (handle_missing_handler): Similarly.
1538 (_cpp_execute_include): Similarly.
1539 (_cpp_pop_file_buffer): Similarly.
1540 * cpphash.h (struct cpp_reader): Remove system_include_depth,
1541 buffer_stack_depth and include_depth.
1542 * cpplib.c (do_include_common): line-map.c now handles include depth.
1543 (cpp_push_buffer): Similarly.
1544 (_cpp_pop_buffer): Similarly.
1545 * cppmacro.c (builtin_macro): Update.
1546 * line-map.c (init_line_maps): Set depth.
1547 (add_line_map): Increment "used" earlier. Update and use the
1549 (trace_include): Use the include depth.
1550 * line-map.h (struct line_maps): New member depth.
1552 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
1554 * cppfiles.c (stack_include_file): Don't handle -H here.
1555 * cppinit.c (cpp_start_read): Set include tracing after
1556 cpp_post_options and after stacking the main file.
1557 * line-map.c (trace_include): New.
1558 (init_line_maps, add_line_map): Update.
1559 * line-map.h (struct line_maps): New member trace_includes.
1561 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
1563 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
1564 * cppfiles.c (stack_include_file): Only stack a file if there
1565 is something to do. Return a boolean indicating whether a
1566 buffer was stacked or not.
1567 (_cpp_execute_include): Similarly.
1568 (_cpp_read_file): Similarly.
1569 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
1571 2001-08-21 Sam Steingold <sds@gnu.org>
1573 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
1574 (RECACHE): keep obufp_before_macroname up to date
1576 2001-08-21 Zack Weinberg <zackw@panix.com>
1578 * stmt.c: Don't include insn-codes.h.
1579 (expand_end_case): Machine specific logic moved to expr.c.
1580 No need to worry about __builtin_classify_type.
1581 (check_for_full_enumeration_handling, emit_case_nodes):
1584 * builtins.o (expand_builtin_classify_type): Split up so code
1585 can be shared with fold_builtin_classify_type.
1586 (type_to_class, fold_builtin_classify_type): New functions.
1587 (fold_builtins): Handle __builtin_classify_type.
1589 * expr.c (do_tablejump): Now static.
1590 (case_values_threshold, try_casesi, try_tablejump): New;
1591 code mostly from stmt.c (expand_end_case).
1592 (expr.h): Update prototypes.
1594 * Makefile.in (stmt.o): Update dependencies.
1596 2001-08-21 Will Cohen <wcohen@redhat.com>
1598 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
1599 declaration of variable i.
1600 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
1601 declaration of variable i.
1603 2001-08-21 Richard Henderson <rth@redhat.com>
1605 * crtstuff.c: Fix thinko last change. Move list tails to start
1606 of CRT_END section. Tidy ifdefs.
1607 (__EH_FRAME_BEGIN__): Always static for ELF.
1608 (__do_global_ctors_1): Rename from __frame_dummy.
1609 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
1610 name change; don't hide __EH_FRAME_BEGIN__.
1612 2001-08-21 Richard Henderson <rth@redhat.com>
1614 * gdbinit.in: Move break on exit after break on fancy_abort.
1616 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
1619 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
1621 * cpphash.h (_cpp_push_next_buffer): New.
1622 * cppinit.c (do_includes): Remove.
1623 (push_include, free_chain, _cpp_push_next_buffer): New.
1624 (cpp_start_read): Use them to rework command line option handling.
1625 (cpp_handle_option): Combine handling of -include and -imacros.
1626 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
1627 appropriate. Always insert missing \n at EOF.
1628 * cpplib.c (start_directive): Get the directive position right.
1629 * cppmain.c (cb_file_change): Always print the first line, unless
1632 2001-08-20 Andreas Jaeger <aj@suse.de>
1634 * profile.c (compute_branch_probabilities): Remove extra new-line
1636 * flow.c (verify_flow_info): Likewise.
1638 2001-08-20 Diego Novillo <dnovillo@redhat.com>
1640 * basic-block.h (basic_block): Add new field 'flags'.
1641 (BB_REACHABLE): Define.
1642 (expunge_block): Declare.
1643 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
1644 (EXIT_BLOCK_PTR): Ditto.
1645 (expunge_block): Remove static declaration.
1646 (cleanup_cfg): Clear bb->aux on every basic block.
1647 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
1648 computing reachability.
1649 (delete_unreachable_blocks): Delete block b if b->flags has
1652 2001-08-20 Diego Novillo <dnovillo@redhat.com>
1654 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
1656 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1658 * sparc.c (sparc_variable_issue): Fix typo in last change.
1660 2001-08-20 Richard Henderson <rth@redhat.com>
1662 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
1664 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
1666 * pa.h (RETURN_IN_MEMORY): Improve comment.
1668 2001-08-20 Janis Johnson <janis187@us.ibm.com>
1670 * doc/invoke.texi (Profiling options): Clarify the interactions
1671 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
1673 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
1675 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
1678 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1680 * gcc.c (make_relative_prefix): Allocate a sufficiently large
1683 2001-08-20 Richard Henderson <rth@redhat.com>
1685 * final.c (end_final): Fix typo last change.
1687 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
1689 * cppinit.c (init_standard_includes): The returned buffer
1690 is already malloc-ed.
1691 * gcc.c (add_prefix): Similarly.
1692 * prefix.c (translate_name): Update to support clear buffer
1694 (update_path): Similarly. Be sure to free any newly allocated
1695 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
1697 * prefix.h (update_path): Update prototype and document.
1698 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
1699 up and update to new buffer ownership rules.
1700 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
1702 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1704 * final.c (compute_alignments): New function.
1705 (init_insn_lengths): Do not care label_align.
1706 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
1707 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
1708 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
1709 (shorted_branches): Realloc label_align array; do
1710 not call init_insn_lengths; Do not care about loop alignments.
1711 * output.h (compute_alignments): Declare.
1712 * toplev.c (rest_of_compilation): Call compute_alignments.
1713 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
1715 * predict.c (block_info_def): Add npredecesors, remove nvisited;
1716 change visited to tovisit.
1717 (propagate_freq): Use faster traversing algorithm.
1718 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
1719 to tovisit; reverse meaning.
1721 * predict.c (struct block_info_def): Remove nvisited.
1722 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
1723 (estimate_bb_frequencies): Call mark_dfs_back_edges.
1725 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
1727 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
1728 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
1729 (TARGET_FUSED_MADD): New.
1730 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
1731 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
1732 the multiply-add instructions.
1734 2001-08-19 Richard Henderson <rth@redhat.com>
1736 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
1737 is aligned to pointer size.
1739 2001-08-19 Richard Henderson <rth@redhat.com>
1741 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
1742 display markers during final schedule.
1744 2001-08-19 Richard Henderson <rth@redhat.com>
1746 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
1748 2001-08-19 Richard Henderson <rth@redhat.com>
1750 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
1752 (ASM_NAME_TO_STRING): Remove.
1753 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
1754 in the same string. Remove support for expressions.
1756 2001-08-19 Richard Henderson <rth@redhat.com>
1758 * config/i386/i386.md (tablejump): Make an expander; handle
1759 pic relative addressing here.
1760 (tablejump_1): Rename from tablejump_pic.
1763 2001-08-19 Richard Henderson <rth@redhat.com>
1765 * regclass.c (fix_register): Fix typo.
1767 2001-08-18 Richard Henderson <rth@redhat.com>
1769 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
1770 (struct _Unwind_Context): Expand br_loc to hold it.
1771 (uw_frame_state_for): Handle leaf functions better.
1772 (uw_update_reg_address): Update for br_loc change.
1774 2001-08-18 Richard Henderson <rth@redhat.com>
1776 * crtstuff.c: Move list heads before code that uses them.
1777 (__JCR_LIST__): Remove initial null.
1778 (frame_dummy, __frame_dummy): Do java registration here ...
1779 (__do_global_ctors_aux): ... not here.
1781 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
1782 (__do_global_dtors_aux): Update to match.
1783 (__JCR_LIST__, __do_jv_register_classes): New.
1785 * config/ia64/crtend.asm (__JCR_END__): New.
1786 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
1787 instead of an indirect LTOFF22 reloc.
1789 2001-08-18 Richard Henderson <rth@redhat.com>
1791 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
1792 * regclass.c (init_reg_sets_1): Fix typo.
1793 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
1794 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
1795 (ia64_compute_frame_size): Make ar.unat live when in use.
1796 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
1797 for ar.pfs; remove ar.unat handling.
1798 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
1800 (PREDICATE_CODES): Add ar_pfs_reg_operand.
1801 * config/ia64/ia64-protos.h: Update decls.
1802 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
1803 (sibcall_pic): Likewise.
1805 2001-08-18 Richard Henderson <rth@redhat.com>
1807 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
1808 pred_rel_mutex when searching for insn_group_barrier.
1809 * config/ia64/ia64.md (cycle_display): Combine the expander
1812 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
1813 bit before asm as needed.
1815 2001-08-18 Richard Henderson <rth@redhat.com>
1817 * timevar.def (TV_MACH_DEP): New.
1818 * toplev.c (rest_of_compilation): Use it.
1819 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
1821 2001-08-18 Zack Weinberg <zackw@panix.com>
1823 * unwind-dw2.c (execute_stack_op): Add default aborts to
1824 the inner switches to prevent warnings.
1826 2001-08-18 Richard Henderson <rth@redhat.com>
1828 * timevar.h (struct timevar_time_def): Change element type to float.
1829 (ticks_to_msec, clocks_to_msec): Likewise.
1830 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
1831 (get_time): Likewise.
1832 (timevar_print): Adjust zero check and printing to match.
1834 2001-08-18 Zack Weinberg <zackw@panix.com>
1836 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
1837 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
1838 Eliminate overfull or underfull hboxes.
1840 2001-08-18 Zack Weinberg <zackw@panix.com>
1842 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
1844 2001-08-18 Zack Weinberg <zackw@panix.com>
1846 * haifa-sched.c: Convert to target hooks. Macros replaced
1847 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
1848 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
1849 MD_SCHED_FINISH, and HAVE_cycle_display.
1850 * target-def.h (TARGET_SCHED_ADJUST_COST,
1851 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
1852 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
1853 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
1854 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
1855 New hook #defines to be overridden.
1856 (TARGET_SCHED): Bring them all together.
1857 (TARGET_INITIALIZER): Update.
1858 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
1859 instead of 'struct rtx_def *' throughout.
1860 (struct sched): New set of hooks for the scheduler.
1861 * Makefile.in (haifa-sched.o): Depend on target.h.
1862 * doc/tm.texi: Document the new scheduler hooks, together in
1863 their own section, instead of scattered around.
1864 Fix a bunch of underfull/overfull hboxes.
1866 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
1867 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
1868 sparc.h: Don't define any of the old scheduler macros.
1870 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
1871 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
1872 sparc.c: Create hook functions from code extracted from
1873 corresponding target header, or make existing hooks static, as
1874 appropriate. Set the appropriate entries in targetm.
1876 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
1877 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
1878 rs6000-protos.h, s390-protos.h, sparc-protos.h:
1879 Remove prototypes for functions which are now static.
1881 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
1882 related gunk; the Haifa scheduler is now the only choice.
1884 2001-08-18 Zack Weinberg <zackw@panix.com>
1886 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
1887 * genopinit.c: Put floating point divide insns in sdiv_optab.
1888 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
1889 * config/gofast.h, config/c4x/c4x.h,
1890 config/ia64/hpux_longdouble.h, config/mips/mips.h,
1891 config/pa/long_double.h, config/rs6000/sysv4.h,
1892 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
1893 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
1894 (init_optabs): Use init_optabv for overflow-trapping optabs.
1895 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
1896 cmp_optab RTX codes so have_insn_for can find them.
1898 * optabs.c (expand_simple_binop, expand_simple_unop,
1899 have_insn_for, gen_sub3_insn): New interfaces.
1900 * expr.h: Prototype new functions.
1901 (enum optab_methods): Move here from optabs.h.
1903 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
1904 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
1905 Use new functions instead of working directly with optabs.
1906 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
1907 unroll.c: Don't include optabs.h.
1908 * caller-save.c, combine.c, function.c, stmt.c: Just include
1909 insn-codes.h, not optabs.h.
1910 * Makefile.in: Update dependencies.
1912 * combine.c (make_compound_operation, simplify_comparison):
1913 Fix typos testing for this or that instruction.
1915 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1917 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
1918 generating libgcc.a.
1920 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1922 * except.c (TYPE_HASH): Delete.
1924 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
1927 * tree.c (TYPE_HASH): Delete.
1929 * tree.h (TYPE_HASH): Define.
1931 2001-08-18 Graham Stott <grahams@redhat.com>
1933 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
1935 (adddi3_internal_2+2): Likewise.
1936 (eh_set_lr_di+1): Likewise.
1938 2001-08-17 Richard Henderson <rth@redhat.com>
1940 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1941 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
1942 * dwarf2asm.c: ... here.
1943 * dwarfout.c: Remove them.
1945 * varasm.c (assemble_integer): Add align parameter.
1946 (assemble_real, output_constant, output_constructor): Likewise.
1947 * output.h: Update decls.
1948 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
1949 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
1950 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
1951 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
1952 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
1955 * final.c (end_final): Abort profile block generation if we
1956 havn't layed it out properly.
1957 * output.h (assemble_eh_integer): Remove stale decl.
1958 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
1960 (assemble_integer): Handle unaligned data.
1961 (assemble_real): Abort on unaligned data.
1962 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
1964 (default_dtor_section_asm_out_destructor): Use assemble_align.
1965 (default_named_section_asm_out_constructor): Likewise.
1966 (default_ctor_section_asm_out_constructor): Likewise.
1967 * config/darwin.c (machopic_asm_out_constructor): Likewise.
1968 (machopic_asm_out_destructor): Likewise.
1969 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
1970 (nextstep_asm_out_destructor): Likewise.
1971 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
1972 (vms_asm_out_destructor): Likewise.
1974 2001-08-17 Richard Henderson <rth@redhat.com>
1976 * config/mips/iris6.h (TARGET_IRIX6): New.
1977 (current_section_name, current_section_flags): New.
1978 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
1979 (MAX_OFILE_ALIGNMENT): New.
1980 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
1981 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
1982 (copy_file_data): Split out from
1983 (mips_asm_file_end): ... here.
1984 (mips_asm_file_start): Remove extra .section directive. Use
1985 tmpfile instead of mips_make_temp_file.
1986 (mips_unique_section): Use const char * as needed for warnings.
1987 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
1988 re-add align parameter.
1989 (iris6_asm_named_section): New.
1990 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
1991 (iris6_asm_output_align, iris6_section_align_1): New.
1992 (iris6_asm_file_start, iris6_asm_file_end): New.
1993 * config/mips/mips-protos.h: Update decls.
1995 2001-08-17 Janis Johnson <janis187@us.ibm.com>
1997 * doc/install.texi (Install GCC): Add links to build status pages.
1999 (Final install): Ditto; request updates for specific info
2001 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
2003 * cpperror.c (print_location): Don't take a file name; use the
2005 (_cpp_begin_message): Similarly.
2006 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2007 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
2008 (cpp_pedwarn_with_file_and_line): Remove.
2009 * cppfiles.c (stack_include_file): Update; set filename to stdin
2010 here when appropriate.
2011 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
2012 (_cpp_begin_message): Don't take a file name.
2013 * cppinit.c: Add comment.
2014 * cpplex.c: Fix end-of-directive indicator.
2015 * cpplib.c: Don't include intl.h.
2016 (run_directive, do_diagnostic): Update.
2017 (do_line): Update to not use nominal_fname.
2018 (cpp_push_buffer): Don't take a filename.
2019 * cpplib.h (struct ht): Remove.
2020 (cpp_push_buffer): Don't take a filename.
2021 (cpp_pedwarn_with_file_and_line): Remove.
2022 * cppmacro.c (struct cpp_macro): Remove file.
2023 (builtin_macro): Update.
2024 (_cpp_create_definition): Update.
2025 * cppmain.c: Correct comment.
2026 * fix-header.c (read_scan_file): Update.
2028 2001-08-17 Kazu Hirata <kazu@hxi.com>
2030 * sbitmap.c: Fix comment formatting.
2031 * sched-deps.c: Likewise.
2032 * sibcall.c: Likewise.
2033 * simplify-rtx.c: Likewise.
2035 * ssa-ccp.c: Likewise.
2036 * stor-layout.c: Likewise.
2037 * timevar.c: Likewise.
2038 * toplev.c: Likewise.
2039 * unwind-dw2.c: Likewise.
2040 * unwind-dw2-fde.c: Likewise.
2041 * varasm.c: Likewise.
2043 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2045 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
2046 or larger than an integer in memory.
2048 2001-08-17 Zack Weinberg <zackw@panix.com>
2050 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
2051 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
2052 * rtl.h: Don't forward-declare union tree_node here. Don't
2053 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
2054 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
2055 and tree respectively.
2056 * tree.h: Don't forward-declare struct rtx_def here. Don't
2057 typedef tree here. Change all uses of struct rtx_def *,
2058 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
2059 and tree respectively.
2061 2001-08-17 Richard Henderson <rth@redhat.com>
2063 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
2064 config/mips/openbsd.h: Fix typos last change.
2066 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2068 * doc/invoke.texi (Optimize Options): The default for
2069 -finline-limit is 600.
2071 2001-08-17 Richard Henderson <rth@redhat.com>
2073 * varasm.c (text_section): Allow TEXT_SECTION to override the
2074 printing of TEXT_SECTION_ASM_OP.
2075 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
2076 (DATA_SECTION, BSS_SECTION): Remove.
2077 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
2078 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
2079 Rename from s/_NAME//.
2080 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
2081 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
2082 (TEXT_SECTION): ... here. New.
2083 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
2084 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
2085 * config/mips/openbsd.h: Likewise.
2086 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
2087 (mips_asm_file_end): Likewise test.
2088 (mips_output_function_epilogue): Likewise. Switch back to data
2089 section after emitting the function.
2091 * doc/tm.texi (Sections): Document TEXT_SECTION.
2093 2001-08-17 Richard Henderson <rth@redhat.com>
2095 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
2096 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
2098 2001-08-17 Richard Henderson <rth@redhat.com>
2100 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
2101 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
2102 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
2103 Add aligned attribute.
2105 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
2107 * config/sh/sh.md: Add modes to unspecs in first insn to match
2108 those in the second.
2110 * Makefile.in: Fix collect2 copy for Cygwin.
2112 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2114 Install the proper patch.
2115 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
2116 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
2117 (expand_function_start): Likewise.
2118 * stmt.c (expand_decl): Likewise.
2119 * varasm.c (make_decl_rtx): Likewise.
2121 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2123 * final.c: Undo my previous accidental checkin.
2124 * output.h: Likewise.
2125 * tm.texi: Likewise.
2127 2001-08-16 Richard Henderson <rth@redhat.com>
2129 * varasm.c (named_section_flags): Remove align parameter.
2130 * varasm.c, dwarf2out.c: Update all callers.
2131 * output.h: Update prototypes.
2133 * target.h (target.asm_out.named_section): Remove align parameter.
2134 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
2135 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
2136 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
2137 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
2138 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
2140 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
2141 (get_named_section_flags, set_named_section_flags): New.
2142 (named_section_flags): Use them.
2143 (named_section): Do decl vs section flags check here...
2144 (default_section_type_flags): ... not here.
2145 (init_varasm_once): Create in_named_htab.
2146 (resolve_unique_section): Mark reloc unused.
2148 2001-08-16 Richard Henderson <rth@redhat.com>
2150 * varasm.c (force_const_mem): Keep pool alignment in bits.
2151 (output_constant_pool): Use assemble_align.
2153 2001-08-16 Zack Weinberg <zackw@panix.com>
2155 * doc/tm.texi: Remove extra @table command.
2157 2001-08-16 Zack Weinberg <zackw@panix.com>
2159 * final.c (shorten_branches): Clear the end of the label_align
2160 array only if we made it larger. Break up messy expressions
2163 * diagnostic.c (internal_error): Check for error recursion
2164 before doing ICE suppression.
2166 * timevar.c: Timing variables now count in milliseconds.
2167 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
2168 (get_time): Not here.
2169 (timevar_print): Don't print any timer whose user, cpu, and
2170 wall times are all zero as displayed.
2171 * timevar.h: Update comment aboout units. Make timevar
2174 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
2176 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
2177 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
2178 (expand_function_start): Likewise.
2179 * stmt.c (expand_decl): Likewise.
2180 * varasm.c (make_decl_rtx): Likewise.
2182 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
2184 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
2185 (finalize_record_size): Don't set TYPE_USER_ALIGN.
2187 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2189 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
2192 2001-08-16 Andreas Jaeger <aj@suse.de>
2194 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
2197 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
2199 * rtl.h (only_sets_cc0_p): New prototype.
2200 * jump.c (sets_cc0_p): Handle INSN.
2201 (only_sets_cc0_p): New function.
2202 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
2203 (tidy_fallthru_edge): Likewise.
2204 * integrate.c (copy_insn_list): Likewise.
2205 * unroll.c (unroll_loop): Likewise.
2206 (copy_loop_body): Likewise.
2208 2001-08-15 Jason Eckhardt <jle@redhat.com>
2210 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
2212 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2214 * predict.c (struct block_info_def): Remove nvisited.
2215 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
2216 (estimate_bb_frequencies): Call mark_dfs_back_edges.
2218 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
2219 (ix86_adjust_cost): Teach scheduler that latency to load operand can
2222 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2224 * predict.def: Update hitrates.
2226 2001-08-15 Richard Henderson <rth@redhat.com>
2228 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
2230 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
2232 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
2233 note from its associated jump.
2235 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2237 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
2238 also on 64-bit s390x targets.
2240 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
2242 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
2244 (arm_expand_prologue): Handled nested functions which take a
2245 variable argument list.
2246 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
2247 macro with an invocation of
2248 arm_compute_initial_elimination_offset.
2249 * config/arm/arm-protos.h: Prototype
2250 arm_compute_initial_elimination_offset.
2252 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2254 * doc/install.texi (Specific, avr): Fix markup.
2255 (Specific, c4x): Ditto.
2257 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2259 * predict.c (dump_prediction): Change `bool' parameter to `int'.
2261 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
2263 * Makefile.in (OBJS): Add rtl-error.o
2264 (rtl-error.o): New rule.
2265 (diagnostic.o): Adjust dependency.
2266 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
2267 error_for_asm, _fatal_insn, _fatal_insn_not_found,
2268 warning_for_asm): Move to...
2269 rtl-error.c: ...here. New file.
2271 2001-08-14 Richard Henderson <rth@redhat.com>
2273 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
2274 if USING_SJLJ_EXCEPTIONS.
2276 2001-08-14 Steve Ellcey <sje@cup.hp.com>
2278 * tlink.c (scan_linker_output): Check string for unsatisfied in
2279 addition to undefined and unresolved.
2281 2001-08-14 Graham Stott <grahams@redhat.com>
2283 * libgcc2.c (*): Replace EH_FRAME_SECTION with
2284 EH_FRAME_SECTION_NAME.
2286 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2288 * genattrtab.c (simplify_test_exp_in_temp): New function.
2289 (simplify_test_exp): Avoid explicit use of temporary obstack.
2290 (simplify_cond, insert_right_side, evaluate_eq_attr,
2291 simplify_and_tree, simplify_or_tree, eliminate_known_true):
2292 Use simplify_test_exp_in_temp.
2293 (optimize_attrs): Iterate until expression stabilizes.
2295 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
2297 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
2298 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
2300 2001-08-13 Richard Henderson <rth@redhat.com>
2302 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
2303 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
2304 * config/arm/conix-elf.h: Likewise.
2306 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
2308 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
2310 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2312 * gcse.c (hash_scan_set): Expressions that are set as part of
2313 jump instructions are not available.
2315 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2317 * config/s390/s390.c (print_operand, s390_function_prologue,
2318 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
2320 2001-08-13 Richard Henderson <rth@redhat.com>
2322 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
2323 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
2324 * doc/tm.texi (Exception Region Output): Document it.
2326 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
2328 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
2329 DWARF2 instead of stabs by default.
2331 2001-08-13 David Edelsohn <edelsohn@gnu.org>
2333 * config/rs6000/rs6000.c: Include optabs.h.
2335 2001-08-13 David Edelsohn <edelsohn@gnu.org>
2337 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
2338 save/restore routines.
2339 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
2341 2001-08-13 Andreas Jaeger <aj@suse.de>
2343 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
2344 the english is correct.
2346 2001-08-13 Zack Weinberg <zackw@panix.com>
2348 * expr.h: Split out optab- and libfunc-related code to...
2349 * optabs.h, libfuncs.h: ... these new headers.
2351 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
2353 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
2355 * mkconfig.sh: Don't include insn-codes.h from config.h.
2357 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
2358 enum insn_code is available. Move reload_in_optab and
2359 reload_out_optab array declarations to optabs.h.
2360 * regmove.c (gen_add3_insn): Move to optabs.c, export from
2361 there, prototype in expr.h.
2362 * gencodes.c: Cleanup: zap global variables, don't use
2363 printf where puts will do, don't bother defining MAX_INSN_CODE
2364 which nothing uses, let CODE_FOR_nothing get its value implicitly.
2366 * genemit.c, genopinit.c: Include optabs.h in generated file.
2367 * genoutput.c: Include insn-codes.h in generated file.
2368 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
2369 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
2370 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
2371 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
2372 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
2373 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
2375 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
2376 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
2377 config/m88k/m88k.c, config/sparc/sparc.c:
2379 * reload.c: Include expr.h and optabs.h before reload.h.
2380 * config/alpha/alpha.c: Include tree.h before reload.h.
2381 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
2382 and reload.h in that order.
2383 * config/sparc/sparc.c: Include debug.h.
2384 * recog.c: Include insn-codes.h.
2386 2001-08-13 Andreas Jaeger <aj@suse.de>
2388 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
2391 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2393 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
2394 * gcc.c (init_spec): Fix typo in comment.
2395 * varasm.c (data_section): Fix typo in comment.
2397 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2399 * predict.c (dump_prediction): New argument "USED".
2400 (combine_predictions_for_insn): Determine the used heuristics,
2401 output the case no heuristic applied.
2402 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
2404 2001-08-13 Andreas Jaeger <aj@suse.de>
2406 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
2409 2001-08-13 Kazu Hirata <kazu@hxi.com>
2411 * jump.c: Fix formatting.
2413 2001-08-13 Kazu Hirata <kazu@hxi.com>
2415 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
2418 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
2420 * loop.c (check_dbra_loop): Use condjump_label to compute
2423 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
2424 to better document the files they're in.
2426 2001-08-12 Zack Weinberg <zackw@panix.com>
2428 * recog.h (struct insn_operand_data): Shrink 'mode' field
2431 2001-08-12 Kazu Hirata <kazu@hxi.com>
2433 * gcc.c: Fix comment formatting.
2434 * gccspec.c: Likewise.
2437 * genemit.c: Likewise.
2438 * gengenrtl.c: Likewise.
2439 * genrecog.c: Likewise.
2440 * gensupport.c: Likewise.
2441 * ggc-page.c: Likewise.
2442 * global.c: Likewise.
2443 * graph.c: Likewise.
2444 * ifcvt.c: Likewise.
2445 * integrate.c: Likewise.
2447 * libgcc2.c: Likewise.
2449 * mbchar.c: Likewise.
2450 * optabs.c: Likewise.
2451 * predict.c: Likewise.
2452 * prefix.c: Likewise.
2453 * profile.c: Likewise.
2454 * protoize.c: Likewise.
2456 * recog.c: Likewise.
2457 * regclass.c: Likewise.
2458 * regmove.c: Likewise.
2459 * reg-stack.c: Likewise.
2460 * reload1.c: Likewise.
2461 * resource.c: Likewise.
2462 * rtlanal.c: Likewise.
2465 2001-08-12 Kazu Hirata <kazu@hxi.com>
2467 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
2468 a tree representing a constant is passed to the macro.
2470 2001-08-12 Richard Henderson <rth@redhat.com>
2472 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
2473 (rs6000_elf_asm_out_destructor): New.
2474 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
2475 (DTORS_SECTION_ASM_OP): Remove.
2476 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2477 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
2479 2001-08-12 David Edelsohn <edelsohn@gnu.org>
2482 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2483 * gcc.c (set_collect_gcc_options): New function, split out from
2485 Ignore elided switches.
2486 (do_spec_1): Invoke before executing command.
2487 (set_input): Export.
2488 Move declaration ...
2489 * gcc.h (set_input): ... here.
2490 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
2493 2001-08-12 Richard Henderson <rth@redhat.com>
2495 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
2496 thinko wrt TARGET_RELOCATABLE.
2498 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
2500 * fix-header.c (cb_file_change): Update prototype.
2502 2001-08-11 Zack Weinberg <zackw@panix.com>
2504 * toplev.c (set_float_handler): Make static.
2505 * toplev.h: Don't prototype set_float_handler.
2507 * simplify-rtx.c: Don't include setjmp.h.
2508 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
2510 (simplify_unary_operation, simplify_binary_operation): Use them,
2511 via do_float_handler.
2513 * fold-const.c: Don't include setjmp.h.
2514 (exact_real_inverse_1): New function.
2515 (exact_real_inverse): Use it, via do_float_handler.
2517 * varasm.c: Don't include setjmp.h.
2518 (assemble_real_1): New function.
2519 (assemble_real): Use it, via do_float_handler.
2520 Call internal_error if we get a trap here.
2522 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
2523 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
2525 2001-08-11 Zack Weinberg <zackw@panix.com>
2527 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
2528 STACK_BOUNDARY if not already defined.
2530 * calls.c, function.c, reload1.c, explow.c: Don't default
2531 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
2532 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
2534 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
2537 * doc/tm.texi: Document that STACK_BOUNDARY is required;
2538 clarify difference between it and PREFERRED_STACK_BOUNDARY.
2540 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
2542 * cppmacro.c (enter_macro_context): Push macro expansions even
2545 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2547 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
2548 (rs6000_elf_section_type_flags): Actually return a value.
2550 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
2552 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
2553 Clean up code: add missing comments and prototypes, fix warnings,
2554 remove obsolete code, fix spacing to conform to coding style.
2556 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
2558 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
2559 and TARGET_ASM_CLOSE_PAREN.
2560 (regclass_map): CC register belongs to class NO_REGS.
2561 (legitimize_pic_address): Don't generate unnecessary moves
2562 (to avoid confusing loop optimization).
2563 (check_and_change_labels): Replace jump_long by indirect_jump.
2564 (s390_final_chunkify): Don't start a new literal pool on section
2565 switch in 64-bit code.
2566 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
2568 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
2569 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
2570 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
2572 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
2573 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
2574 (CONST_COSTS): Fixed incorrect costs.
2576 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
2577 Use emit_jump instead of emit_jump_insn (gen_jump).
2578 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
2579 (to avoid confusing flow analysis).
2580 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
2581 (casesi, casesi_jump): New.
2582 (jump_long): Removed. Functionality merged into indirect_jump.
2583 (indirect_jump): Accept address_operand, not just register_operand.
2584 (cjump_long, icjump_long): Use same logic as indirect_jump.
2585 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
2586 Fixed broken setjmp/longjmp handling.
2587 (do_builtin_setjmp_setup): Removed.
2589 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
2590 broken GNU as versions that don't accept .quad with large
2591 negative values. Use hexadecimal output instead.
2592 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
2593 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
2594 FUNCTION_EPILOGUE): Removed. Now in targetm.
2596 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
2598 * config/s390/fixdfdi.h: Add missing copyright statement.
2599 Fix type conflicts on 64-bit. Add missing SFmode routines.
2601 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
2604 2001-08-11 Richard Henderson <rth@redhat.com>
2606 * rtl.h (REG_EH_RETHROW): Remove.
2607 * rtl.c (reg_note_name): Update.
2608 * combine.c (distribute_notes): Don't check for it.
2610 2001-08-11 Richard Henderson <rth@redhat.com>
2612 * combine.c (distribute_notes): Place REG_SETJMP.
2614 2001-08-11 Richard Henderson <rth@redhat.com>
2616 * doc/extend.texi (Arrays and pointers implementation): Discourage
2617 relying on sign-extension of pointers.
2619 2001-08-11 H.J. Lu <hjl@gnu.org>
2621 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
2623 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
2624 RDATA_SECTION_ASM_OP.
2626 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2628 * doc/install.texi (Specific, c4x): Fix cross-reference to the
2629 main manual to work both for info and HTML versions.
2631 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
2632 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2634 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
2635 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
2636 (struct cpp_pool): New member first.
2637 * cppinit.c (append_include_chain): Plug memory leaks.
2638 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
2639 Allocate pragma structures from the (aligned) macro pool to
2640 avoid leaking memory.
2641 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
2642 so we don't leak memory.
2643 * hashtable.c (ht_destroy): New.
2644 * hashtable.h (ht_destroy): New.
2646 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
2647 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2649 * c-lex.c (map): Make const.
2650 (cb_file_change): Update for callback passing a line map.
2651 Don't assume we have a previous map. Remove sanity check
2652 about popping too many files.
2653 * cpperror.c (print_location): Make map const.
2654 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
2655 (cpp_make_system_header): Similarly.
2656 (search_from): Similarly.
2657 (_cpp_execute_include): Don't remember where we came from.
2658 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
2659 (struct cpp_reader): Make map const.
2660 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
2661 * cpplib.c (do_line): Update; line maps now hold sysp.
2662 (cpp_push_buffer): Similarly.
2663 (_cpp_do_file_change): Similarly; callback with map instead.
2664 (cpp_get_line_maps): Constify return value.
2665 (_cpp_pop_buffer): Update.
2666 * cpplib.h (struct cpp_file_change): Remove.
2667 (struct cpp_callbacks): Update.
2668 (cpp_get_line_maps): Constify return value.
2669 * cppmacro.c (_cpp_create_definition): Update.
2670 * cppmain.c (struct printer): Constify map.
2671 (maybe_print_line): Similarly.
2672 (print_line): Similarly. Deduce flags 1 and 2 here.
2673 (cb_file_change): Update.
2674 * line-map.c (free_line_maps): Warn regardless.
2675 (add_line_map): Return pointer to const. When passed NULL to_file
2676 with LC_LEAVE, use the obvious values for the return point so the
2677 caller doesn't have to figure them out.
2678 (lookup_line): Return pointer to const.
2679 (print_containing_files): Take pointer to const.
2680 * line-map.h (struct line_map): New members reason, sysp.
2681 (add_line_map): Return pointer to const.
2682 (lookup_line): Similarly.
2683 (print_containing_files): Take pointer to const.
2685 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
2686 Richard Henderson <rth@redhat.com>
2688 * regmove.c (regmove_optimize): Avoid setting a register twice in
2691 2001-08-10 Richard Henderson <rth@redhat.com>
2693 * doc/extend.texi (Arrays and pointers implementation): Document
2694 behavior of pointer/integer conversion.
2696 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
2698 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
2700 2001-08-10 Richard Henderson <rth@redhat.com>
2702 * doc/extend.texi (C Implementation): New chapter.
2703 * doc/gcc.texi (Top): Link it in.
2705 2001-08-10 Andrew Cagney <ac131313@redhat.com>
2707 * doc/install.texi (Specific): Fix CVS merge botch.
2709 2001-08-10 Richard Henderson <rth@redhat.com>
2711 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
2712 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
2714 2001-08-10 Zack Weinberg <zackw@stanford.edu>
2716 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
2717 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
2718 this macro is now required.
2720 * cselib.c (cselib_process_insn), flow.c (propagate_block),
2721 loop.c (find_and_verify_loops), reload.c (reload): Check
2722 for rtx code of CALL_INSN, not CALL, when deciding if we
2723 need to check for REG_SETJMP note.
2725 * gcse.c (compute_hash_table, compute_store_table): Update
2726 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
2729 * config/avr/avr.c: Fix typo.
2730 * config/convex/convex.c (expand_movstr): Use adjust_address.
2731 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
2733 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
2734 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
2736 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
2737 Do define STACK_BOUNDARY.
2738 * config/i370/i370.c: Include expr.h.
2739 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
2740 config/pa/som.h, config/v850/v850.h: Take in_ctors and
2741 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
2742 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
2743 * config/m88k/m88k.c: Include c-tree.h after expr.h.
2744 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
2745 * config/romp/romp.c: Include expr.h after tree.h.
2747 (output_fpop): Use xmalloc, not oballoc.
2748 * config/we32k/we32k.c: Include expr.h.
2750 2001-08-10 Kazu Hirata <kazu@hxi.com>
2752 * config/h8300/h8300.h: Fix formatting.
2754 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
2756 * c-common.h (RETURN_NULLIFIED_P): Lose.
2757 * c-semantics.c (genrtl_return_stmt): Don't check it.
2759 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
2761 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
2762 (mips_annotate_frame_insn): New function.
2763 (mips_emit_frame_related_store): New function.
2764 (save_restore_insns): Don't mark instructions that set up the base
2765 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
2766 the store instructions instead.
2767 (mips_expand_prologue): If the stack size is moved into a temporary
2768 register, do not mark that move as frame-related. Add a
2769 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
2771 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
2773 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
2774 stack slot as unchanging if current_function_calls_eh_return.
2776 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
2778 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
2779 access the second half of the TFmode scratch operand.
2781 2001-08-10 Anthony Green <green@redhat.com>
2783 * java/class.c (emit_register_classes): Conditionalize code on
2786 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2788 * doc/install.texi (Specific, avr): Fix cross-reference to the
2789 main manual to work both for info and HTML versions.
2791 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2793 * stmt.c (expand_null_return_1): Remove code to generate simple returns
2794 and "use_goto" argument.
2795 (expand_null_return, expand_value_return): Update all callers.
2796 * function.c (expand_function_end): Remove code to generate simple
2798 * config/vax/vax.md (epilogue): New expander for function return.
2799 * doc/md.texi (epilogue): Remove "if defined".
2801 2001-08-09 Zack Weinberg <zackw@stanford.edu>
2803 * Makefile.in: Partially revert my previous change:
2804 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
2805 of the hashtab.o and safe-ctype.o rules.
2807 2001-08-09 Richard Henderson <rth@redhat.com>
2809 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
2810 (USE_COLLECT2): Remove duplicate definition.
2811 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
2812 (use_collect2): Remove dead code.
2813 * configure.in (use_collect2): Remove will_use_collect2 and
2814 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
2815 * configure: Rebuild.
2817 * target.h (targetm.asm_out.constructor): New.
2818 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
2819 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
2820 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
2821 * varasm.c (in_ctors, in_dtors): New.
2822 (assemble_constructor, assemble_destructor): Remove.
2823 (default_stabs_asm_out_destructor): New.
2824 (default_named_section_asm_out_destructor): New.
2825 (dtors_section, default_dtor_section_asm_out_destructor): New.
2826 (default_stabs_asm_out_constructor): New.
2827 (default_named_section_asm_out_constructor): New.
2828 (ctors_section, default_ctor_section_asm_out_constructor): New.
2829 * output.h: Update declarations.
2830 * c-decl.c (c_expand_body): Use target hooks instead of
2831 assemble_constructor and assemble_destructor.
2832 * profile.c (output_func_start_profiler): Likewise.
2833 * objc/objc-act.c (finish_objc): Likewise.
2834 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
2835 for the constructor.
2836 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
2838 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
2839 (DTORS_SECTION_ASM_OP): Likewise.
2840 (__CTOR_LIST__): Use attribute section when possible.
2841 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
2843 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
2844 ASM_OUTPUT_CONSTRUCTOR.
2846 * config/darwin.c (machopic_asm_out_constructor): New.
2847 (machopic_asm_out_destructor): New.
2848 * config/darwin-protos.h: Update declarations.
2849 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2850 (ASM_OUTPUT_DESTRUCTOR): Remove.
2851 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2852 * config/nextstep.c (nextstep_asm_out_constructor): New.
2853 (nextstep_asm_out_destructor): New.
2854 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2855 (ASM_OUTPUT_DESTRUCTOR): Remove.
2856 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2857 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
2858 ASM_OUTPUT_*STRUCTOR.
2859 * config/i386/aix386ng.h: Likewise.
2861 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
2862 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
2863 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2864 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2865 * config/lynx.h: Likewise.
2866 * config/netware.h: Likewise.
2867 * config/psos.h: Likewise.
2868 * config/alpha/alpha-interix.h: Likewise.
2869 * config/alpha/elf.h: Likewise.
2870 * config/arc/arc.h: Likewise.
2871 * config/arm/aof.h: Likewise.
2872 * config/arm/coff.h: Likewise.
2873 * config/arm/elf.h: Likewise.
2874 * config/c4x/c4x.h: Likewise.
2875 * config/h8300/h8300.h: Likewise.
2876 * config/i386/cygwin.h: Likewise.
2877 * config/i386/djgpp.h: Likewise.
2878 * config/i386/i386-coff.h: Likewise.
2879 * config/i386/i386-interix.h: Likewise.
2880 * config/i386/sco5.h: Likewise.
2881 * config/i386/vsta.h: Likewise.
2882 * config/i386/win32.h: Likewise.
2883 * config/i960/i960-coff.h: Likewise.
2884 * config/ia64/sysv4.h: Likewise.
2885 * config/m68hc11/m68hc11.h: Likewise.
2886 * config/m68k/coff.h: Likewise.
2887 * config/m68k/mot3300.h: Likewise.
2888 * config/m88k/m88k.h: Likewise.
2889 * config/mcore/mcore-pe.h: Likewise.
2890 * config/mcore/mcore.h: Likewise.
2891 * config/mips/elf.h: Likewise.
2892 * config/mips/elf64.h: Likewise.
2893 * config/mips/iris6.h: Likewise.
2894 * config/pa/pa64-hpux.h: Likewise.
2895 * config/rs6000/sysv4.h: Likewise.
2896 * config/sh/sh.h: Likewise.
2897 * config/sparc/litecoff.h: Likewise.
2899 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
2900 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2901 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2902 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2903 (ASM_OUTPUT_DESTRUCTOR): Remove.
2904 * config/a29k/a29k.c: Move include of tree.h.
2905 * config/a29k/udi.h: Delete file.
2906 * config/alpha/alpha.c (vms_asm_out_constructor): New.
2907 (vms_asm_out_destructor): New.
2908 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
2909 (EXTRA_SECTION_FUNCTIONS): Likewise.
2910 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2911 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2912 * config/c4x/c4x.c: Move include of tree.h.
2913 * config/clipper/clipper.c (clix_asm_out_constructor): New.
2914 (clix_asm_out_destructor): New.
2915 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2916 (ASM_OUTPUT_DESTRUCTOR): Remove.
2917 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2918 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2919 (TARGET_ASM_CONSTRUCTOR): New.
2920 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
2921 (sco_asm_out_constructor): New.
2922 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
2923 * config/i386/svr3gas.h: Remove stack grows up code.
2924 Remove code duplicated from i386/sysv3.h.
2925 (TARGET_ASM_CONSTRUCTOR): New.
2926 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2927 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
2928 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2929 (TARGET_ASM_CONSTRUCTOR): New.
2930 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
2931 (m68hc11_asm_out_destructor): New.
2932 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
2933 (TARGET_ASM_DESTRUCTOR): New.
2934 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
2935 * config/m68k/dpx2.h: Properly undef all the bits inherited from
2936 config/svr3.h pertaining to section manipulation.
2937 * config/m68k/dpx2g.h: Remove #if 0 code.
2938 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
2939 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
2940 (ASM_OUTPUT_CONSTRUCTOR): Remove.
2941 (TARGET_ASM_CONSTRUCTOR): New.
2942 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
2943 (m88k_svr3_asm_out_constructor): New.
2944 (m88k_svr3_asm_out_destructor): New.
2945 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2946 (ASM_OUTPUT_DESTRUCTOR): Remove.
2947 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2948 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
2949 * config/rs6000/aix.h: Likewise.
2950 * config/mips/rtems64.h: Don't undef removed constructor related bits.
2951 * config/mips/vxworks.h: Likewise.
2952 * config/rs6000/lynx.h: Likewise.
2953 * config/sh/elf.h: Likewise.
2954 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
2955 (DTORS_SECTION_ASM_OP): New.
2956 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2957 (ASM_OUTPUT_DESTRUCTOR): Remove.
2958 * config/sparc/sol2-sld-64.h: Likewise.
2959 * config/vax/vax.c (vms_asm_out_constructor): New.
2960 (vms_asm_out_destructor): New.
2961 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2962 (ASM_OUTPUT_DESTRUCTOR): Remove.
2963 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2965 * doc/tm.texi (@node Initialization): Update.
2967 2001-08-09 Richard Henderson <rth@redhat.com>
2969 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
2970 (__do_global_dtors_aux): Use gp-relative static data to avoid
2971 one dynamic relocation.
2972 (__do_frame_setup): Register Java classes.
2973 * config/alpha/crtend.asm (__JCR_END__): New.
2975 2001-08-09 Zack Weinberg <zackw@stanford.edu>
2977 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
2978 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
2979 (GEN, STAGESTUFF): Add new files.
2980 (insn-constants.h, s-constants, tm-preds.h, s-preds,
2981 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
2982 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
2983 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
2984 as well as insn-codes.h and insn-flags.h in config.h; and no
2985 extra headers in tconfig.h and hconfig.h.
2987 * gencodes.c: Eliminate code to generate predicate declarations
2988 or #defines for md-file constants.
2989 * genconstants.c, genpreds.c: New files.
2991 * i386.md: Re-order guard expressions such that TARGET_64BIT
2992 comes first, when this permits better optimization. Add
2993 TARGET_64BIT to more x86-64 patterns. Add comment explaining
2994 why this is desirable.
2996 2001-08-09 Jakub Jelinek <jakub@redhat.com>
2998 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
2999 (find_fde_for_dso): Remove.
3000 (_Unwind_IteratePhdrCallback): New.
3001 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
3002 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
3004 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3006 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
3007 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
3009 2001-08-09 Graham Stott <grahams@redhat.com>
3011 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
3012 (vis_no_unit): Use it.
3013 (visualize_no_unit): Add the insn only if room exists.
3015 2001-08-09 Graham Stott <grahams@redhat.com>
3017 * predict.c (estimate_probability): Replace magic numbers with
3018 appropriate enumeration.
3020 2001-08-09 Graham Stott <grahams@redhat.com>
3022 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
3024 (EXTRACT_FLAGS): Likewise.
3026 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
3028 * config/mips/mips.c (mips_legitimate_address_p): Check for
3029 CONST_INT in last patch.
3031 2001-08-08 Anthony Green <green@redhat.com>
3033 * java/class.c (emit_register_classes): Use assemble_jcr if
3034 possible. Keep the original mechanism as a fallback.
3035 * defaults.h (JCR_SECTION_NAME): Define if we have named section
3036 and weak symbol support.
3037 * crtstuff.c (__JCR_LIST__): Define.
3038 (__JCR_END__): Define.
3039 (_Jv_RegiserClasses): Define weak symbol if possible.
3040 (__do_global_ctors_aux): Register classes for ELF targets with
3041 weak symbol support.
3043 2001-08-08 Kazu Hirata <kazu@hxi.com>
3045 * dbxout.c: Fix comment formatting.
3046 * dependence.c: Likewise.
3048 * diagnostic.c: Likewise.
3049 * dominance.c: Likewise.
3050 * doprint.c: Likewise.
3051 * dwarf2out.c: Likewise.
3052 * dwarfout.c: Likewise.
3053 * emit-rtl.c: Likewise.
3054 * except.c: Likewise.
3055 * explow.c: Likewise.
3056 * expmed.c: Likewise.
3059 * fold-const.c: Likewise.
3060 * function.c: Likewise.
3062 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3064 * global.c (retry_global_alloc): Avoid shadowing allocno.
3066 2001-08-08 Mark Mitchell <mark@codesourcery.com>
3068 * except.c (remove_fixup_regions): Fix typo.
3070 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
3072 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
3073 unsigned HOST_WIDE_INT to avoid warning.
3074 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
3075 * flow.c (set_block_for_new_insns): Likewise.
3077 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
3079 * sibcall.c (return_value_pseudo): New static variable.
3080 (skip_copy_to_return_value): Handle return_value_pseudo.
3081 (call_ends_block_p): Ensure that return_value_pseudo is set.
3082 (optimize_sibling_and_tail_recursive_call): Discover the
3083 load of pseudo return value in alternate exit block.
3085 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3087 * calls.c (ECF_ALWAYS_RETURN): New constant.
3088 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
3089 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
3090 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
3091 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
3092 * rtl.c (reg_note_name): New name.
3093 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
3095 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
3097 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
3099 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3101 * alias.c (get_alias_set): Return a previously calculated
3102 alias set for a VAR_DECL.
3103 * function.c (gen_mem_addressof): Calculate the alias set before
3106 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
3108 * predict.def: Set hitrates according our experimental run.
3110 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3112 * i386.h (HARD_REGNO_RENAME_OK): New macro.
3114 2001-08-08 H.J. Lu <hjl@gnu.org>
3116 * config/mips/mips.c (mips_unique_section): New. Copied from
3119 * config/mips/mips-protos.h (mips_unique_section): New
3122 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
3124 * config/mips/little.h: New. Generic little endian mips
3125 targets. Only mips*-*-linux* is converted to use it so far.
3127 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
3128 (WCHAR_TYPE): Defined
3129 (WCHAR_TYPE_SIZE): Likewise.
3130 (INIT_SUBTARGET_OPTABS): Likewise.
3131 (BSS_SECTION_ASM_OP): Likewise.
3132 (SBSS_SECTION_ASM_OP): Likewise.
3133 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
3134 (ASM_DECLARE_OBJECT_NAME): Likewise.
3135 (UNIQUE_SECTION): Likewise.
3136 (EXTRA_SECTIONS): Likewise.
3137 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3138 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3139 (ASM_OUTPUT_DEF): Likewise.
3140 (HANDLE_SYSV_PRAGMA): Removed.
3141 (NO_IMPLICIT_EXTERN_C): Likewise.
3142 (TARGET_MEM_FUNCTIONS): Likewise.
3143 (STARTFILE_SPEC): Likewise.
3144 (ENDFILE_SPEC): Likewise.
3145 (LIB_SPEC): Likewise.
3146 (INVOKE__main): Likewise.
3147 (CTOR_LIST_BEGIN): Likewise.
3148 (CTOR_LIST_END): Likewise.
3149 (DTOR_LIST_BEGIN): Likewise.
3150 (DTOR_LIST_END): Likewise.
3151 (SET_ASM_OP): Likewise.
3152 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3153 (ASM_OUTPUT_DEF): Likewise.
3154 (ASM_OUTPUT_IDENT): Likewise.
3156 * config/mips/mips.h (ASM_SPEC): Undefine before define.
3157 (CPLUSPLUS_CPP_SPEC): Likewise.
3158 (ASM_APP_ON) Redefine only if not defined.
3159 (ASM_APP_OFF): Likewise.
3160 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3161 (ASM_OUTPUT_IDENT): Likewise.
3163 * config.gcc: Update tm_file for Linux/mips.
3165 2001-08-08 Bernd Schmidt <bernds@redhat.com>
3167 * cselib.c (cselib_record_sets): If insn is predicated, turn
3168 sources into IF_THEN_ELSEs.
3170 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
3171 Turn into define_insn_and_split.
3173 * sched-deps.c: Include "cselib.h".
3174 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
3175 Use cselib to turn memory addresses into VALUEs.
3176 (sched_analyze): Call cselib_init/cselib_finish if necessary.
3177 * sched-int.h (struct sched_info): New member USE_CSELIB.
3178 * sched-ebb.c (ebb_sched_info): Initialize it.
3179 * sched-rgn.c (rgn_sched_info): Likewise.
3180 * Makefile.in (sched-deps.o): Update dependencies.
3182 * cselib.h (cselib_subst_to_values): Declare.
3183 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
3184 that have no value and autoincs to be handled by generating a new
3187 2001-08-08 Graham Stott <grahams@redhat.com>
3189 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
3190 within fixed length SEQUENCE.
3192 2001-08-08 Graham Stott <grahams@redhat.com>
3194 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
3195 (diagnostic_prefixing_rule): Likewise.
3196 (diagnostic_line_cutoff): Likewise.
3197 (diagnostic_kind_count): Likewise.
3199 2001-08-08 Graham Stott <grahams@redhat.com>
3201 * alias.c (find_base_decl): Delete redundent assignment.
3203 2001-08-08 Graham Stott <grahams@redhat.com>
3205 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
3206 (abs): Uppercase and paranthesize macro parameter.
3207 (MEM_DEPENDENCY): Add whitespace.
3209 2001-08-08 Graham Stott <grahams@redhat.com>
3211 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
3212 failure check for CONST_INT
3214 2001-08-08 Graham Stott <grahams@redhat.com>
3216 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
3217 (libcall_dead_p): Likewise.
3219 (mark_used_regs): Constify fmt.
3220 (find_use_as_address): Likewise.
3222 2001-08-08 Graham Stott <grahams@redhat.com>
3224 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
3227 2001-08-08 Graham Stott <grahams@redhat.com>
3229 * combine.c (combine_simplify_rtx): Update comment and
3230 remove erroneous test.
3232 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
3234 * cppinit.c (cpp_finish): Pop the final buffer without comment.
3235 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
3236 take care to avoid multiple no-newline at EOF warnings in that
3239 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
3241 * calls.c (expand_call): Do not emit INSN_SETJMP note.
3242 (emit_library_call_value_1): Likewise.
3243 (emit_call_1): Emit REG_SETJMP note.
3244 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
3246 * cselib.c (cselib_process_insn): Likewise.
3247 * flow.c (propagate_block): Likewise.
3248 * loop.c (find_and_verify_loops): Likewise.
3249 * reload.c (find_equiv_regs): Likewise.
3250 * reload1.c (reload): Likewise.
3251 * resource.c (mark_referenced_resources,
3252 mark_set_resources): Likewise.
3253 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
3254 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
3255 * haifa-sched.c (unlink_other_notes): Likewise.
3256 (reemit_notes): Likewise.
3257 * sched-ebb.c (sched_ebb): Likewise.
3258 * sched-rgc.c (sched_region): Likewise.
3259 * rtl.c (note_insn_name): Likewise.
3260 (reg_note_name): Add REG_SETJMP
3261 * rtl.h (reg_note): Add REG_SETJMP.
3262 (insn_note): Remove NOTE_INSN_SETJMP.
3264 * profile.c (branch_prob): Add fake edges for setjmp.
3266 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
3268 * config.gcc: Quote target_cpu_default2 correctly for
3269 powerpc*-*-* targets.
3271 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
3273 * cpplib.h, line-map.h: Update comments.
3274 * cppmain.c (printer_init): Move inline.
3275 (maybe_print_line, print_line): Take a map pointer.
3276 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
3277 (cb_file_change): Don't use prior value of print.map.
3279 2001-08-07 David Edelsohn <edelsohn@gnu.org>
3281 * doc/install.texi: Document fine-grained multilib configuration.
3283 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3285 * rtlanal.c (find_first_parameter_load): Call note_stores
3286 only on the instructions.
3288 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3290 * alias.c (nonlocal_mentioned_p):
3291 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
3292 * calls.c (emit_call_1): Likewise.
3293 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
3294 * cselib.c (cselib_process_insn): Likewise.
3295 * df.c (df_insns_modify): Likewise.
3296 * flow.c (need_fake_edge_p): Likewise.
3297 (propagate_one_insn): Likewise.
3298 * haifa-sched.c (reemit_notes): Likewise.
3299 * integrate.c (copy_insn_list): Likewise.
3300 * jump.c (delete_prior_computation): Likewise.
3301 * local-alloc.c (validate_equiv_mem): Likewise.
3302 * loop.c (scan_loop): Likewise.
3303 * predict.c (estimate_probability): Likewise.
3304 * reload.c (reload): Likewise.
3305 * sched-deps (sched_analyze): Likewise.
3306 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
3307 * gcse.c (compute_hash_table): Likewise.
3308 (mark_call): Likewise.
3309 (store_killed_in_insn): Likewise.
3311 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
3313 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
3315 2001-08-06 Richard Henderson <rth@redhat.com>
3317 * varasm.c (assemble_gc_entry): Remove.
3318 * output.h: Likewise.
3320 2001-08-06 Richard Henderson <rth@redhat.com>
3322 * varasm.c (assemble_constructor): Take a symbol_ref and a
3323 priority instead of a bare string. Move priority handling
3324 here from cp/decl2.c.
3325 * output.h: Update decls.
3327 * c-decl.c (c_expand_body): Update calls to assemble_constructor
3328 and assemble_destructor.
3329 * profile.c (output_func_start_profiler): Likewise.
3330 * objc/objc-act.c (finish_objc): Likewise.
3331 (build_module_descriptor): Return the symbol not the symbol name.
3333 2001-08-06 David Edelsohn <edelsohn@gnu.org>
3335 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
3336 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
3337 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
3338 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
3339 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
3340 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
3342 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
3344 * cpperror.c (print_containing_files): Moved to line-map.c.
3345 (print_location): line-map.c handles re-listing or otherwise.
3346 * cpphash.h (struct lexer_state): Remove next_bol.
3347 (struct cpp_buffer): Remove include_stack_listed.
3348 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
3349 Remove faked buffer handling.
3350 (_cpp_do_file_change): Tweak.
3351 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
3352 * cppmain.c (struct printer): Remove filename.
3353 (print_line, cb_file_change): Update accordingly.
3354 * line-map.c: Include intl.h.
3355 (init_line_maps): Initialize last_listed.
3356 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
3357 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
3358 (print_containing_files): New.
3359 * line-map.h (struct line_maps): New member last_listed.
3360 (print_containing_files, INCLUDED_FROM): New.
3361 * Makefile.in: Update.
3362 * po/POTFILES.in: Add line-map.c.
3364 2001-08-06 Richard Henderson <rth@redhat.com>
3366 * except.c (convert_from_eh_region_ranges_1): Never mark
3367 USE or CLOBBER insns as throwing.
3369 * expr.c (store_constructor): Don't clobber memory targets.
3371 2001-08-06 Andreas Jaeger <aj@suse.de>
3373 * profile.c (branch_prob): Remove unused variable insn.
3375 * Makefile.in (local-alloc.o): Add dependency on except.h.
3377 * local-alloc.c: Include except.h for can_throw_internal prototype.
3379 2001-08-06 Richard Henderson <rth@redhat.com>
3381 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3382 * function.c (expand_main_function): Implement it.
3383 * doc/tm.texi: Document it.
3385 2001-08-06 Stan Shebs <shebs@apple.com>
3387 * doc/install.texi: Document powerpc-*-darwin* details.
3389 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
3391 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
3392 (ASM_CPU_SPEC): Move back to rs6000.h
3393 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
3395 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
3397 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
3400 * config/rs6000/linux64.h: Ditto.
3402 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
3403 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
3406 Remove accidently readded definitions of FUNCTION_PROLOGUE,
3407 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
3409 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
3412 2001-08-05 Richard Henderson <rth@redhat.com>
3414 * local-alloc.c (update_equiv_regs): Do not move insns that
3417 2001-08-05 Jan Hubicka <jh@suse.cz>
3419 * Makefile.in (reload1.o): Add dedendancy on except.h
3420 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
3422 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
3423 indicating wehther edges has been cleaned up.
3424 * reload1.c: Inlucde except.h
3425 (fixup_abnormal_edges): Accept deleted insns.
3426 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
3429 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
3431 * cpplib.c (do_line): Correct line number after pop_buffer.
3433 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
3435 PR preprocessor/3824
3436 * line-map.c: Update comments.
3437 * line-map.h: Update comments.
3438 * tradcif.y: Don't consider large numbers unsigned.
3440 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
3442 PR preprocessor/3081
3443 * c-lex.c (map): New.
3444 (cb_file_change): Update map and use it.
3445 (cb_def_pragma, cb_define, cb_undef): Use map and line.
3446 (c_lex): Update to use map.
3447 * cpperror.c (print_location): Move to using logical line numbers.
3448 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
3449 (cpp_make_system_header): Similarly.
3450 (_cpp_execute_include): Stop line numbering hacks. Store the
3451 line we will return to.
3452 * cpphash.h (CPP_BUF_LINE): Remove.
3453 (struct cpp_buffer): Remove lineno and pseudo_newlines.
3454 Add map and return_to_line.
3455 (_cpp_do_file_change): Update.
3456 * cppinit.c (cpp_start_read): Update line kludge.
3457 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
3458 (trigraph_ok): Use logical line numbers for diagnostics.
3459 (skip_block_comment): Likewise.
3460 (skip_whitespace): Likewise.
3461 (skip_line_comment): Use pfile->line instead.
3462 (_cpp_lex_token): Update to use logical line numbering exclusively.
3463 Handle BOL locally. Accept new lines in directives, but keep
3464 pfile->line decremented. Diagnostics use logical lines. Update
3466 * cpplib.c (SEEN_EOL): New.
3467 (skip_rest_of_line, check_eol): Use it.
3468 (end_directive): Increase line number when accepting the newline
3469 at the end of a directive.
3470 (run_directive): Simplify.
3471 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
3472 (_cpp_do_file_change): Update to take buffer line number as an
3473 argument, and store the current map in the cpp_reader. Remove
3474 line number kludges.
3475 (_cpp_do__Pragma): Restore output position after a _Pragma.
3476 (cpp_push_buffer): Don't set output line or lineno.
3477 (_cpp_pop_buffer): Transfer more info from a faked buffer.
3478 Remove line kludge. Set output_line.
3479 * cppmacro.c (builtin_macro): Update handling of __LINE__.
3480 (parse_arg): Use logical lines.
3481 (save_lookahead_token): Save EOFs too now.
3482 * cppmain.c (struct printer): Fix comments.
3483 (printer_init): Simplify, let caller do errors.
3484 (scan_translation_unit, check_multiline_token, dump_macro): Update.
3485 (maybe_print_line): Simplify.
3486 (print_line): Don't print a linemarker if -P.
3487 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
3488 (cb_file_change): Simplify.
3489 * line-map.h (LAST_SOURCE_LINE): Fix.
3490 (CURRENT_LINE_MAP): New.
3492 2001-08-05 Bernd Schmidt <bernds@redhat.com>
3494 * doloop.c (doloop_modify_runtime): Properly compute number of
3495 iterations if loop was unrolled.
3497 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
3498 if their CSELIB_VAL_PTRs are.
3500 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
3501 (setup_spill_pointers): Initialize it.
3502 (spill_restore_mem): Set it.
3503 (do_spill, do_restore): Use it to add REG_INC note.
3504 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
3506 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
3507 asms if other insns are available.
3509 * config/ia64/ia64.c (condop_operator): New predicate.
3510 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
3511 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
3514 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
3515 temporary register than directly using a MEM.
3517 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
3519 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
3520 parameter in last change.
3522 2001-08-04 Zack Weinberg <zackw@panix.com>
3524 * sparc.md: Don't use #if inside C test expression.
3526 2001-08-04 Richard Henderson <rth@redhat.com>
3528 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
3530 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
3532 * cpphash.h (struct cpp_reader): New member directive_line.
3533 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
3534 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
3535 do_pragma): Pass line to callbacks.
3536 (start_directive): Record line of directive.
3537 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
3538 cb_include): Similarly.
3539 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
3542 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
3544 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
3547 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3549 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
3551 * reload1.c (fixup_abnormal_edges): New static function.
3554 * flow.c (need_fake_edge_p): New function.
3555 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
3556 avoid call insn to be very last insn in the insn stream.
3558 * profile.c (branch_prob): Call flow_call_edges_add instead of
3559 doing that by hand; cleanup cfg to re-merge basic blocks once
3562 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3564 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
3565 are also on line-map.h.
3566 * cppfiles.c (stack_include_file): Update.
3567 * cpphash.h (struct cpp_buffer): New member return_at_eof.
3568 (_cpp_pop_buffer): New.
3569 * cppinit.c (cpp_destroy, cpp_finish): Update.
3570 (do_includes): Mark each buffer to return at EOF.
3571 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
3572 return as requested.
3573 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
3574 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
3575 * cpplib.h (cpp_pop_buffer): Remove.
3576 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
3577 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
3579 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
3581 (do_preprocessing): Update.
3582 * fix-header.c (read_scan_file): Update. No need to pop buffers.
3583 * c-parse.in (_yylex): Similarly.
3584 * scan-decls.c (scan_decls): Similarly.
3585 * line-map.h: Update comments.
3587 * objc/Make-lang.in (objc-act.o): Update dependencies.
3589 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3591 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
3592 and soft register for operand 0.
3593 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
3595 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3597 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
3598 register for operand 0.
3599 ("bitcmpqi_z_used"): Allow memory for operand 0.
3600 (split "bitcmpqi"): New split to handle address reg as operand 1.
3602 2001-08-04 Andreas Jaeger <aj@suse.de>
3604 * gcse.c: Revert Daniel's last patch.
3606 2001-08-03 Zack Weinberg <zackw@stanford.edu>
3608 * sparc-protos.h: Add prototypes for fp_zero_operand and
3610 * sh-protos.h: Add prototype for fpul_operand.
3612 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
3614 * doc/extend.texi (Other Builtins): Fix typo in last change.
3616 2001-08-03 Richard Henderson <rth@redhat.com>
3618 * target.h (gcc_target): Add asm_out.named_section,
3619 section_type_flags, have_named_sections.
3620 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
3621 (TARGET_HAVE_NAMED_SECTIONS): New.
3622 (TARGET_SECTION_TYPE_FLAGS): New.
3624 * Makefile.in (toplev.o): Depend on TARGET_H.
3625 (varasm.o, dbxout.o): Likewise.
3626 * c-common.c (decl_attributes): Check targetm.have_named_sections
3627 instead of ifdef ASM_OUTPUT_SECTION_NAME.
3628 * dbxout.c (dbxout_function_decl): Likewise.
3629 (dbxout_function_end): Likewise.
3630 * toplev.c (compile_file): Likewise.
3631 * varasm.c (exception_section): Likewise.
3632 * cp/decl2.c (finish_objects): Likewise.
3634 * defaults.h (EH_FRAME_SECTION): Remove.
3635 (EH_FRAME_SECTION_ASM_OP): Remove.
3636 (EH_FRAME_SECTION_NAME): New.
3637 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
3638 (UNIQUE_SECTION_P): Remove.
3639 * dwarf2out.c (SECTION_FORMAT): Remove.
3640 (ASM_OUTPUT_SECTION): Remove.
3641 (output_call_frame_info): Use named_section_flags.
3642 (output_comp_unit, dwarf2out_start_source_file): Likewise.
3643 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
3644 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
3645 * varasm.c (in_eh_frame, eh_frame_section): Remove.
3646 (named_section_flags): New.
3647 (named_section): Use it and targetm.section_type_flags.
3648 (resolve_unique_section): New.
3649 (assemble_start_function): Use it.
3650 (asm_emit_uninitialised, assemble_variable): Likewise.
3651 (default_section_type_flags): New.
3652 (default_no_named_section, default_elf_asm_named_section): New.
3653 (default_coff_asm_named_section, default_pe_asm_named_section): New.
3654 * output.h: Update varasm.c decls.
3655 (SECTION_*): New flags.
3657 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
3658 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
3660 * config/elfos.h (UNIQUE_SECTION_P): Remove.
3661 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
3662 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
3663 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
3664 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
3665 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
3666 * config/mips/elf.h, config/mips/elf64.h: Likewise.
3667 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
3668 * config/pa/pa64-hpux.h,
3670 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
3671 (TARGET_ASM_NAMED_SECTION): New.
3672 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
3673 * config/alpha/vms.h, config/arm/coff.h: Likewise.
3674 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
3675 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
3676 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
3677 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
3678 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
3679 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
3680 * config/i386/sco5.h, config/i386/win32.h: Likewise.
3681 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
3682 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
3683 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
3684 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
3685 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
3686 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
3687 * config/sparc/sysv4.h: Likewise.
3689 * config/nextstep.h: Error until named sections implemented.
3691 * config/a29k/a29k.c (a29k_asm_named_section): New.
3692 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
3693 (vms_section_type_flags, vms_asm_named_section): New.
3694 * config/arm/arm.c (arm_elf_asm_named_section): New.
3695 * config/avr/avr.c (asm_output_section_name): Remove.
3696 * config/avr/avr-protos.h: Update.
3697 * config/c4x/c4x.c (c4x_asm_named_section): New.
3698 * config/h8300/h8300.c (h8300_asm_named_section): New.
3699 * config/i386/i386.c (sco_asm_named_section): New.
3700 * config/i386/winnt.c (SECTION_PE_SHARED): New.
3701 (i386_pe_section_type_flags): New.
3702 (i386_pe_asm_named_section): New.
3703 * config/i386/i386-protos.h: Update.
3704 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
3705 * config/mcore/mcore.c (mcore_asm_named_section): New.
3706 * config/mips/mips.c (iris6_asm_named_section): New.
3707 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
3708 instead of UNIQUE_SECTION_P.
3709 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
3710 (xcoff_asm_named_section): New.
3711 * config/sh/sh.c (sh_asm_named_section): New.
3712 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
3714 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
3715 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
3716 (EH_FRAME_SECTION_NAME): New.
3717 (EXCEPTION_SECTION): New.
3718 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
3719 (DEBUG_*_SECTION): Remove.
3720 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
3721 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
3722 (EH_FRAME_SECTION_ASM_OP): Remove.
3724 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
3725 (ASM_OUTPUT_SECTION_NAME): Remove.
3726 (TARGET_ASM_NAMED_SECTION): New.
3727 (TARGET_HAVE_NAMED_SECTIONS): New.
3728 (TARGET_SECTION_TYPE_FLAGS): New.
3729 (EH_FRAME_SECTION_ASM_OP): Remove.
3730 (EH_FRAME_SECTION_NAME): New.
3732 2001-08-03 Zack Weinberg <zackw@stanford.edu>
3734 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
3735 for complex expressions when cfun == 0.
3736 * doc/extend.texi: Document that __builtin_constant_p can be
3737 used in data initializers as well as functions.
3739 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
3741 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
3742 variable I locally, instead of expecting a declaration in the
3745 2001-08-03 Richard Henderson <rth@redhat.com>
3747 * except.c (collect_one_action_chain): Add an explicit cleanup
3748 action if regions surrounding a catch were encoded entirely
3749 within the call-site entry.
3751 2001-08-03 Richard Henderson <rth@redhat.com>
3753 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
3754 don't take REGNO of a non-register.
3756 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3758 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
3759 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
3760 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
3761 (__gthread_mutex_init_function): New function for mutex initialization.
3763 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
3765 * Makefile.in: Revert screwed up commit.
3767 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3769 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
3770 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
3771 merged by linker script to get a final _exit().
3772 (__do_global_dtors): New for destructor handling in specific exit
3774 (__do_global_ctors): New for constructors in specific install section.
3775 (__map_data_section): Map data sections before running constructors.
3776 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
3777 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
3778 (DTORS_SECTION_ASM_OP): Likewise.
3779 (CTORS_SECTION_FUNCTION): Define to force a reference to
3781 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
3783 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
3785 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
3787 * Makefile.in: Add df.h to gcse.c dependencies.
3789 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3791 * varasm.c (output_constant_def_contents): Use for the length of a
3792 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
3793 depending on which is larger.
3795 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
3797 * gcse.c: Include df.h for use as a dataflow analyzer.
3799 Declaration of reg_set_info: gone.
3800 New df_analyzer variable used by store motion.
3801 (reg_set_info): Deleted.
3802 (mark_mem_regs): New function, analyze regs used by a mem.
3803 (store_ops_ok): Use dataflow analyzer results to determine if
3804 necessary regs are changed in the block.
3805 (find_moveable_store): Remove check for symbol ref, we can handle
3806 much more complex expressions now.
3807 (compute_store_table): Remove most of the code, it's unnecessary
3808 now that the dataflow analyzer records the info for us.
3809 (store_killed_after): Add parameter to say whether to do the
3810 store_ops_okay test, used to speed up testing when we already know
3811 the answer, and just want to know if the store itself was killed.
3812 (build_store_vector): Largely rewritten to calculate the various
3813 vectors properly, and somewhat optimized.
3814 (store_motion): Init the df_analyzer, get REG_DEF chains.
3815 Also handle trapping expressions (since mems almost always trap)
3816 (simple_mem): Redefine what a simple mem is.
3818 2001-08-03 DJ Delorie <dj@redhat.com>
3820 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
3821 set from a constant part of the condition.
3823 2001-08-01 Andrew Cagney <ac131313@redhat.com>
3825 * mkdeps.c (deps_add_default_target): Make local variable
3826 ``start'' a const char pointer.
3827 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
3829 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3831 * doc/install.texi (Configuration): Fix markup.
3832 (Specific, i?86-*-udk): Likewise.
3833 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
3835 Document --enable-threads and --enable-libgcj status.
3836 (Specific, mips-sgi-irix*): Canonicalize triples.
3837 (Specific, mips-sgi-irix5): Warn about problems with this config.
3838 Mention required GNU as patch.
3839 Native assembler problems are fixed.
3840 (Specific, mips-sgi-irix6): Update O32 ABI support status.
3841 Document --enable-threads and --enable-libgcj status.
3843 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3845 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
3848 2001-08-03 Richard Henderson <rth@redhat.com>
3850 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
3853 2001-08-03 Richard Henderson <rth@redhat.com>
3855 * rtlanal.c (find_first_parameter_load): Stop if we
3856 reach a CODE_LABEL at BOUNDARY.
3858 2001-08-03 Richard Henderson <rth@redhat.com>
3860 * config/alpha/alpha.md (force_movdi): New insn.
3861 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
3862 Tweek FRP marking of VMS prologue insns.
3863 * config/alpha/vms.h (EPILOGUE_USES): New.
3865 2001-08-02 Richard Henderson <rth@redhat.com>
3867 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
3869 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
3871 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
3872 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
3873 config/convex/convex.h, config/d30v/d30v.c,
3874 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
3875 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
3876 config/mips/mips.h, config/mn10200/mn10200.h,
3877 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
3878 config/v850/v850.h, config/vax/openbsd.h,
3879 config/vax/openbsd1.h, config/vax/ultrix.h,
3880 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
3881 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
3882 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
3883 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
3884 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
3885 in comments and documentation.
3887 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3891 * Makefile.in (line-map.o): New.
3892 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
3893 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
3894 * cpperror.c (print_containing_files): Similarly.
3895 (print_location): Update. Don't output a space before _Pragma.
3896 * cppfiles.c (stack_include_file): Set to line 1 immediately.
3897 (stack_include_filee, cpp_make_system_header): Update.
3898 (_cpp_execute_include): Get logical line number right for calling
3899 as-yet-unterminated #include.
3900 * cpphash.h (struct cpp_reader): Add line_maps.
3901 (_cpp_do_file_change): Update.
3902 * cppinit.c (cpp_create_reader): Initialize line maps.
3903 (cpp_destroy): Destroy line maps.
3904 (cpp_start_read): Get logical line number right.
3905 * cpplex.c (parse_string): Only warn once for multi-line strings.
3906 Use boolean variable for null warning.
3907 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
3909 (do_include_common): End the directive early.
3910 (do_line): Don't warn about out-of-range lines in preprocessed
3911 source. Update. Remove unused variables.
3912 (_cpp_do_file_change): Update for new line mapping.
3913 (pragma_cb): New typedef.
3914 (cpp_register_pragma): Stop looking ahead before calling the
3916 (do_pragma_system_header): End directive early.
3917 (cpp_get_line_maps): New.
3918 (cpp_pop_buffer): Fudge logical line. Update.
3919 * cpplib.h: Include line-map.h
3920 (enum cpp_fc_reason): Remove.
3921 (struct cpp_file_change): Update.
3922 (cpp_get_line_maps): New.
3923 * cppmain.c (struct_printer): New member map.
3924 (cb_file_change): Update for new mappings.
3925 * fix-header.c (cb_file_change): Similarly.
3927 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3929 * Makefile.in (libgcc.mk): Define mkinstalldirs.
3930 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
3932 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
3934 * config/vax/vax.c: include expr.h.
3936 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3938 * Makefile.in ($(srcdir)/configure): Only rebuild in
3940 ($(srcdir)/config.in): Only define in maintainer mode.
3941 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
3943 2001-08-02 David Edelsohn <edelsohn@gnu.org>
3945 * doc/install.texi (Install GCC: Binaries): Update Bull info.
3947 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3949 * gcc.c (set_collect_gcc_options): New function, split out from
3951 Ignore elided switches.
3952 (do_spec_1): Invoke before executing command.
3953 (set_input): Export.
3954 Move declaration ...
3955 * gcc.h (set_input): ... here.
3956 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3959 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
3962 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
3964 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
3966 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
3968 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
3969 for the unnamed instructions it expands to.
3971 2001-08-02 Richard Henderson <rth@redhat.com>
3973 * regclass.c (call_really_used_regs): Conditionally define.
3974 (init_reg_sets_1): Don't use it if not defined.
3975 (fix_register): Similarly, don't set it.
3977 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3979 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
3980 Correct comment that had been missed in the previous change.
3982 2001-08-01 Stan Shebs <shebs@apple.com>
3984 * config/darwin.c (machopic_stub_name): Try matching by name.
3985 (update_stubs): New function.
3986 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
3989 2001-08-01 Richard Henderson <rth@redhat.com>
3991 * except.c (output_function_exception_table): Use assemble_align.
3992 * varasm.c (assemble_eh_label): Remove.
3993 (assemble_eh_align, assemble_eh_integer): Remove.
3995 2001-08-01 Robert Lipe <robertl@caldera.com>
3997 * dwarfout.c: Remove reference to README.DWARF.
3999 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
4001 * regclass.c (call_really_used_regs): New array for registers which
4002 are actually used by a call.
4003 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
4005 (fix_register): Set call_really_used too.
4006 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
4007 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
4009 2001-08-01 Richard Henderson <rth@redhat.com>
4011 * read-rtl.c (read_name): Consider \r whitespace.
4013 2001-07-11 Andrew Cagney <ac131313@redhat.com>
4015 * config.gcc: Recognize powerpc-*-netbsd*.
4017 * doc/install.texi (Host/target specific installation notes for
4018 GCC): Mention powerpc-*-netbsd*.
4020 * config/rs6000/netbsd.h: New file.
4021 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
4022 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
4023 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
4024 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
4025 (TARGET_VERSION): Redefine.
4027 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
4028 mcall-netbsd as a match for mcall-sysv.
4029 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
4030 (ncrti.S, ncrtn.S): New targets.
4031 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
4033 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
4034 "netbsd' as a V4 ABI.
4035 (ASM_SPEC): Check for -mcall-netbsd.
4036 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
4037 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
4038 (LIB_SPEC, ENDFILE_SPEC): Ditto.
4039 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
4040 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
4041 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
4042 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
4044 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
4045 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
4047 2001-08-01 Mark Kettenis <kettenis@gnu.org>
4049 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
4050 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
4051 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
4052 including "unwind-pe.h".
4054 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
4056 * rs6000.md (define_splits): Kill unused constraints.
4058 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
4059 Jan Hubicka <jh@suse.cz>
4061 * function.c (thread_prologue_and_epilogue_insns): Kill code
4062 dealing with non-existent CFG.
4064 2001-08-01 Kazu Hirata <kazu@hxi.com>
4066 * alias.c: Fix comment formatting.
4067 * bitmap.c: Likewise.
4068 * builtins.c: Likewise.
4069 * calls.c: Likewise.
4070 * c-common.c: Likewise.
4071 * c-decl.c: Likewise.
4072 * c-dump.c: Likewise.
4073 * c-lex.c: Likewise.
4074 * collect2.c: Likewise.
4075 * combine.c: Likewise.
4076 * conflict.c: Likewise.
4077 * cppfiles.c: Likewise.
4078 * cppinit.c: Likewise.
4079 * cpplex.c: Likewise.
4080 * cpplib.c: Likewise.
4081 * cppmacro.c: Likewise.
4082 * cppspec.c: Likewise.
4083 * c-pragma.c: Likewise.
4084 * crtstuff.c: Likewise.
4086 * cselib.c: Likewise.
4087 * c-semantics.c: Likewise.
4088 * c-typeck.c: Likewise.
4090 2001-08-01 H.J. Lu <hjl@gnu.org>
4092 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
4094 2001-08-01 H.J. Lu <hjl@gnu.org>
4096 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
4098 2001-08-01 Ziemowit Laski <zlaski@apple.com>
4100 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
4101 contextualizing Objective-C class name lookup by the lexer.
4102 (typespec_reserved_nonattr): Disable ObjC class name lookup after
4104 (protocoldef): Add support for forward @protocol declarations.
4105 (yylexname): Suppress ObjC class name lookup in certain contexts;
4106 re-enable after lookup is complete.
4107 (_yylex): Re-enable ObjC class name lookup when certain
4108 punctuation marks are seen.
4110 * objc/objc-act.c (check_protocol_recursively): New function used
4111 for finding circular dependencies in protocols.
4112 (objc_declare_protocols): New function for handling forward
4113 @protocol declarations.
4114 (receiver_is_class_object): Detect the case when 'self' is used
4115 inside of a class method.
4116 (build_message_expr): Issue a warning if class method is desired
4117 but instance method is found instead.
4118 (conforms_to_protocol): Streamline.
4119 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
4120 protocol Foo, even if 'Bar foo' does not.
4121 (check_protocols): Streamline.
4122 (start_protocol): Add checks for circular and duplicate protocol
4124 (encode_aggregate_within): For typedefs of structs, encode the
4126 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
4127 (objc_declare_protocols): New prototype.
4129 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4131 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
4132 * cpplex.c (handle_newline): Update prototype. Maintain logical
4134 (skip_escaped_newlines, skip_block_comment, parse_string):
4136 (_cpp_lex_token): Update, and store token position within the token.
4137 * cpplib.h (struct cpp_token): Add line and column entries.
4138 * cppmacro.c (replace_args): Position stringified tokens correctly.
4140 2001-08-01 Andreas Jaeger <aj@suse.de>
4142 * basic-block.h: Add prototype for last_loop_beg_note.
4144 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
4146 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
4147 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
4149 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
4150 while handling WITH_CLEANUP_EXPR node. Use second operand calling
4151 expand_decl_cleanup.
4152 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
4154 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
4155 operand while calling simple_cst_equal.
4156 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
4157 operand is the cleanup expression, the third is the RTL_EXPR.
4158 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
4160 2001-07-31 Jeff Sturm <jsturm@one-point.com>
4162 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
4164 2001-07-31 matthew green <mrg@eterna.com.au>
4166 * config.gcc (i386-*-netbsdelf): New description.
4167 * config/i386/netbsd-elf.h: New file.
4169 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
4171 * loop.c (check_dbra_loop): Use single_set to compute
4174 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
4176 PowerPC reorg and support for powerpc64-*-linux*.
4178 Also fixes emitting of constants on 32 bit and 64 bit
4181 * config.gcc: powerpc64-*-linux* is a new target.
4182 Things that needed aix.h now also include xcoff.h
4184 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
4186 Move AIX specific stuff into aix.h.
4187 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
4188 with more than just XCOFF now.
4189 (SET_ASM_OP): Remove, now defined where needed.
4190 (FUNCTION_PROLOGUE): New macro definition.
4191 (FUNCTION_EPILOGUE): New macro definition.
4192 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
4194 * config/rs6000/xcoff.h: New file.
4196 * config/rs6000/linux64.h: New file.
4198 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
4200 2001-07-31 Alan Modra <amodra@bigpond.net.au>
4202 * rs6000.c (print_operand_address): Handle ELF syntax.
4203 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
4204 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
4205 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
4207 2001-07-31 David Edelsohn <edelsohn@gnu.org>
4209 * rs6000.c (rs6000_override_options): Only disable
4210 flag_function_sections for XCOFF.
4211 (exact_log2_cint_operand): New predicate.
4212 (reg_or_{add,sub}_cint64_operand): New predicates.
4213 (add_operand): Compare CONST_INT with fewer function calls.
4214 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
4215 (print_operand, case 'p'): Ensure positive operand.
4216 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
4217 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
4218 (PREDICATE_CODES): Add new predicates.
4219 * rs6000.md (addsi3): Split 32-bit constants more correctly.
4220 (divsi3, modsi3): Ensure positive power-of-2.
4221 (adddi3): Use new predicate. Split 32-bit constants more
4222 correctly. Re-arrange splitter to handle any constant.
4223 (subdi3): Use new predicate.
4224 (divdi3, moddi3): Ensure positive power-of-2.
4225 (movdi): Use rs6000_emit_set_const.
4226 (load_toc_v4_pic_di): Delete.
4228 2001-07-31 Graham Stott <grahams@redhat.com>
4230 * function.c (pad_below): Revert 2001-07-26 patch.
4232 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4234 * reg-stack (convert_regs_1): Fix best edge condition.
4236 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4238 * jump.c (duplicate_loop_exit_test): Better test for jumps
4239 entering the loop; create loop pre_header.
4241 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
4243 * doc/install.texi: Add s390 and s390x as new targets.
4244 * doc/invoke.texi: Add documantation of S/390 and zSeries
4246 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
4248 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
4250 * config/m68k/m68k.md: Replace all general_operand with
4251 nonimmediate_operand for all destinations.
4252 * config/m68k/m68k.c (not_sp_operand): Likewise.
4254 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
4256 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
4258 2001-07-30 Richard Henderson <rth@redhat.com>
4260 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
4261 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
4263 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
4265 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
4266 Add missing doc strings
4267 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
4268 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
4270 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4272 * i386.c (ix86_output_main_function_alignment_hack): New function.
4273 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
4275 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
4276 edges by EDGE_DFS_BACK flag.
4277 (dump_edge_info): Add dfs_back flag.
4278 * basic-block.h (EDGE_DFS_BACK): New constant.
4279 (mark_dfs_back_edges): Declare.
4280 * alias.c (loop_p): Remove.
4281 (mark_constant_function): Use mark_dfs_back_edges.
4283 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
4284 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
4285 (compensate_edge): Break out from ...
4286 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
4287 (convert_regs_2): Set block_done once block is really done;
4288 Do updating of the predecesors counts.
4290 * toplev.c (rest_of_compilation): Recompute block_for_insn
4291 before post-reload cfg_cleanup.
4292 * function.c (thread_prologue_epilogue_insns):
4293 Call set_block_for_new_insns when emitting prologue directly.
4295 2001-07-30 Andreas Jaeger <aj@suse.de>
4297 * jump.c: Add prototype for mark_modified_reg.
4299 * cse.c (set_live_p): Add unused attribute.
4301 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
4303 (scan_for_source_files): Use long for count to avoid overflow.
4304 (output_data): Likewise.
4305 (output_data): Don't use string concatatenation to silence gcc
4308 * predict.c: Fix typos and grammar.
4310 * gcse.c (insert_insn_end_bb): Remove unused variables.
4312 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
4314 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
4315 (attempt_auto_inc): LIkewise.
4316 (mark_used_reg): Likewise.
4317 (try_pre_increment_1): Likewise.
4318 * regclass.c (regclass): Likewise.
4319 * global.c (allocno_compare): Update comment; change scaling factor.
4320 * local-alloc.c (QTY_CMP_PRI): Likewise.
4321 * regs.h (REG_FREQ_FROM_BB): New.
4322 (REG_FREQ_MAX): Likewise.
4324 2001-07-30 H.J. Lu <hjl@gnu.org>
4326 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
4329 2001-07-30 H.J. Lu (hjl@gnu.org)
4331 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
4332 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4333 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
4335 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
4337 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
4338 as -mthumb-interwork when -mcpu=arm7 is specified.
4340 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4342 * predict.def (noreturn, loop branch, loop exit): Mark as first
4345 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
4347 * combine.c (try_combine): Avoid barrier after noop jumps.
4349 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4351 * cpphash.h (struct cpp_reader): Remove import_warning.
4352 * cpplib.c (skip_rest_of_line): Don't bother turning off
4354 (parse_include): Move include handling to...
4355 (do_include_common): ... here. Move import warning from...
4356 (do_import): ... here.
4357 (do_pragma_poison): Don't do a callback for poison identifiers.
4358 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
4359 * cppmain.c (setup_callbacks): Similarly.
4361 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
4363 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
4364 handle multiple sets.
4365 * except.c (sjlj_mark_call_sites): .... here.
4366 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
4368 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4370 Suggested by Richard Henderson and Richard Kenner:
4371 * combine.c (recog_for_combine): Use the fake recog
4372 only if instruction does not match.
4373 * rtl.h (NOOP_MOVE_INSN_CODE): New.
4374 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
4376 * combine.c (try_combine): Discover noop jump as direct jump.
4378 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
4380 * df.c (df_rd_global_compute): Add successors to worklist, not
4382 (df_ru_global_compute): Ditto.
4384 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
4386 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
4387 increment REG_N_SETS.
4389 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
4391 * sbitmap.h: New prototype for sbitmap_a_xor_b.
4393 * sbitmap.c (sbitmap_a_xor_b): New function.
4394 ifdef the basic block stuff on IN_GCC.
4396 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4398 * cppexp.c (parse_defined): Always record the macro name.
4399 (lex): Don't worry about identifiers, or special-case
4401 (_cpp_parse_expr): Figure out at the end of the routine
4402 whether we saw a valid !defined() expression.
4403 * cppfiles.c (stack_include_file): Update for mi_valid.
4404 (_cpp_pop_file_buffer): Similarly.
4405 * cpplex.c (_cpp_lex_token): Similarly.
4406 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
4407 mi_if_not_defined, mi_lexed): Remove.
4409 * cpplib.c (do_if): Simplify.
4410 (do_endif, push_conditional, _cpp_handle_directive): Update
4411 for renaming of mi_state to mi_valid.
4413 * cpp.texi: Add index entries for digraphs, and add comment
4414 that C++ refers to them as alternative tokens.
4416 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4418 * basic-block.h (CLEANUP_PRE_LOOP): New.
4419 * except.c (finish_eh_generation): Update call of cleanup_cfg.
4420 * sibcall.c (optimize_sibling_calls): Likewise.
4421 * toplev.c (rest_of_compilation): Likewise.
4422 * flow.c (try_forward_edges): Take argument MODE;
4423 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
4424 (try_optimize_cfg): Update call of try_forward_edges.
4426 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
4427 Jan Hubicka <jh@suse.cz>
4429 * (validate_replace_rtx_1): Fix simplification of MINUS.
4431 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
4433 PR preprocessor/3669
4434 * cppinit.c (init_dependency_output): Turn off dump requests
4435 if sending dependencies to stdout.
4437 2001-07-28 Richard Henderson <rth@redhat.com>
4439 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
4442 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
4444 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
4446 2001-07-28 Kazu Hirata <kazu@hxi.com>
4448 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
4449 is VAR_DECL first to prevent an ICE.
4451 2001-07-28 Richard Henderson <rth@redhat.com>
4453 * varasm.c (immed_real_const_1): Don't elide special cases for
4455 (clear_const_double_mem): Clear const_tiny_rtx too.
4457 2001-07-28 Richard Henderson <rth@redhat.com>
4459 * dwarf2out.c (dw_val_class_offset): New.
4460 (struct dw_ranges_struct, dw_ranges_ref): New.
4461 (ranges_table, ranges_table_allocated): New.
4462 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
4463 (add_AT_offset, add_ranges, output_ranges): New.
4464 (print_die, output_die): Handle dw_val_class_offset.
4465 (attr_checksum, size_of_die, value_format): Likewise.
4466 (gen_lexical_block_die): Handle non-contiguous blocks.
4467 (gen_block_die): Likewise.
4468 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
4469 if needed. Dump the ranges table.
4470 * final.c (final_start_function): Remove unnecessary notes and
4471 rebuild the block tree before numbering the blocks.
4472 * function.c (reorder_blocks_0): Walk the existing block tree
4473 to unmark all blocks.
4474 (reorder_blocks_1): Create block fragments when duplicate block
4476 (reorder_fix_fragments): New.
4477 (reorder_blocks): Call it.
4478 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
4480 2001-07-28 Richard Henderson <rth@redhat.com>
4482 * emit-rtl.c (adjust_address): Make a copy of the memory address.
4484 2001-07-28 Richard Henderson <rth@redhat.com>
4486 * flow.c (add_to_mem_set_list): New function.
4487 (init_propagate_block_info): Use it.
4488 (mark_set_1): Likewise.
4489 (insn_dead_p): Canonicalize memory address for dead store
4490 comparison. Allow wider mode stores to kill narrower mode stores.
4491 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
4492 (invalidate_mems_from_set): Don't handle MEMs.
4494 2001-07-28 Kazu Hirata <kazu@hxi.com>
4496 * config/h8300/h8300.h: Fix formatting.
4498 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4500 * basic-block.h (EDGE_FREQUENCY): New macro.
4501 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
4503 * flow.c (find_sub_basic_blocks): Likewise.
4504 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
4505 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
4507 * predict.c (DEF_PREDICTOR): New argument FLAGS.
4508 (HITRATE): New macro.
4509 (PRED_FLAG_FIRST_MATCH): New constant.
4510 (predictor_info): New field flgags.
4511 (combine_predictions_for_insn): Use DS theory to combine
4512 probabilities; set the edge probabilities when finished.
4513 (estimate_probability): Avoid duplicated matches
4514 of LOOP_BRANCH heuristics for nested loops; update comment.
4515 * predict.def: Add flags for each prediction, set probabilities
4516 according to B&L paper.
4517 * predict.h (DEF_PREDICTOR): New argument FLAGS.
4519 * profile.c (compute_branch_probabilities): Cleanup way the edge
4520 probabilities are computed and REG_BR_PROB notes are dropped; if
4521 values does not match, emit error.
4522 (init_branch_prob): Do error instead of warning when profile driven
4523 feedback is missing or corrupt.
4525 2001-07-27 DJ Delorie <dj@redhat.com>
4527 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
4528 against a constant, try to adjust the compare to have the desired
4529 constant in it so that min/max optimizations happen more often.
4531 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4533 * flow.c (last_loop_beg_note): New function.
4534 (redirect_edge_and_branch): Use it.
4535 (split_edge): Likewise.
4537 * alias.c (loop_p): Avoid uninitialized memory access.
4539 * flow.c (try_forward_edges): Avoid accessing freed memory.
4541 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
4544 2001-07-26 Andrew Haley <aph@redhat.com>
4545 Joern Rennecke <amylaar@redhat.com>
4547 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
4548 (SUBTARGET_CPP_ENDIAN_SPEC): New.
4549 (SUBTARGET_CPP_SPEC): New.
4551 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
4552 (SUBTARGET_CPP_PTR_SPEC): New.
4553 (CPP_DEFAULT_CPU_SPEC): New.
4554 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
4555 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
4556 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
4557 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
4558 (SUBTARGET_CPP_SPEC): Define as an empty string.
4560 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4562 * doc/install.texi (Configuration): Properly link the host
4563 specific instructions also when generating HTML.
4565 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
4567 * flow.c (redirect_edge_and_branch_force): Test
4568 target->global_live_at_start.
4570 2001-07-26 Richard Henderson <rth@redhat.com>
4572 * simplify-rtx.c (avoid_constant_pool_reference): Export.
4573 * rtl.h (avoid_constant_pool_reference): Declare it.
4574 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
4575 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
4577 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4579 * rtl.h (cleanup_barriers): Declare.
4580 * jump.c (cleanup_barriers): New function.
4581 * toplev.c (rest_of_compilation): Call cleanup_barriers
4582 before loop optimizer and after bb_reorder.
4584 * flow.c (back_edge_of_syntactic_loop_p): New.
4585 (split_edge): Use it.
4587 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4589 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
4591 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
4593 * cse.c (cse_process_notes): Replace any registers if the address
4596 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
4598 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
4599 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
4600 (propagate_block): Update prototype.
4601 * flow.c (update_life_info): Simplify the CFG and
4602 recalculate the global regs which are alive when
4603 removing dead code during a global update.
4604 (propagate_block): Return non-zero if an INSN is
4607 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4609 * Makefile.in (LIBICONV): Define.
4611 2001-07-26 Catherine Moore <clm@redhat.com>
4613 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
4614 of conditional to avoid tree checking errors.
4616 2001-07-26 Kazu Hirata <kazu@hxi.com>
4618 * regmove.c (regmove_optimize): Don't replace a reg with
4619 another reg of a different mode.
4621 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
4623 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
4624 limit length of dependancy flush list.
4625 * params.h (MAX_PENDING_LIST_LENGTH): Define.
4626 * sched-int.h (struct deps): Add pending_flush_length field.
4627 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
4628 has 1 element in it.
4629 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
4630 (sched_analyze): After a jump, if the pending memory flush list is too
4631 large, flush the pending lists.
4632 (init_deps): Initialize pending_flush_length to 0.
4633 * doc/invoke.texi (max_pending_list_length): Document parameter.
4635 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
4637 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
4638 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
4639 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
4641 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4643 * cpphash.h (struct_lexer_state): Delete was_skipping.
4644 Move skipping here from struct cpp_reader.
4645 * cpplex.c (parse_identifier): Update.
4646 (_cpp_lex_token): Don't skip tokens in a directive.
4647 * cpplib.c (struct if_stack): Update.
4648 (start_directive, end_directive): Don't change skipping state.
4649 (_cpp_handle_directive): Update.
4650 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
4651 (do_else, do_endif): Update; only check for excess tokens if not
4652 in a skipped conditional block.
4653 (push_conditional): Update for new struct if_stack.
4655 2001-07-26 Graham Stott <grahams@redhat.com>
4657 * function.c (locate_and_pad_parm): Also pad initial offset
4658 so that the total argument size also includes the padding.
4660 2001-07-26 Graham Stott <grahams@redhat.com>
4662 * gensupport.c (alter_output_for_insn): Correct enable checking failure
4663 change XSTR to XTMPL.
4665 (process_one_cond_exec): Likewise
4667 2001-07-25 Richard Henderson <rth@redhat.com>
4669 * varasm.c (assemble_variable): Create DECL_RTL before setting
4672 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
4674 * predict.c (estimate_probability): Avoid duplicated predictions.
4676 * loop.c (find_and_verify_loops): Grok multiple barriers.
4678 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4680 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
4682 * dbxout.c: Consistently use putc instead of fputc.
4683 (print_wide_int): New function; call instead of direct fprintf.
4684 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
4685 (dbxout_type_fields, dbxout_type_method_1): Likewise.
4686 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
4687 (print_int_cst_octal): Likewise.
4688 (print_octal): Show we wrote characters.
4689 (dbxout_type): Set have_used_extensions in more places.
4691 2001-07-25 Catherine Moore <clm@redhat.com>
4693 * config/v850/v850.c (v850_va_arg): Use addr
4694 instead of valist to build incr.
4696 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
4698 * flow.c (delete_dead_jumptables): New function.
4699 (life_analyzis): Call it.
4700 * bb-reorder.c (skip_insns_after_block): Handle contradictory
4703 2001-07-25 Richard Henderson <rth@redhat.com>
4705 * except.c (reachable_handlers): Handle a region being removed
4706 out from under a RESX.
4708 2001-07-25 Richard Henderson <rth@redhat.com>
4710 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
4711 swap GE/GT if it is an fp comparison.
4713 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
4715 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
4718 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
4720 * ssa.c (rename_insn_1): Do not wrap an assignment to a
4721 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
4724 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
4726 (visit_expression): When attempting to simplify an expression,
4727 retrieve any modes for arguments before they are simplified
4730 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
4731 Janis Johnson <janis@us.ibm.com>
4733 * stmt.c (expand_goto): A nonlocal goto can be a call too.
4734 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
4735 pointer parameters to match documented usage of nonlocal_goto.
4736 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
4737 parameters to their correct order.
4738 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
4739 parameters to their correct order.
4741 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
4743 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
4745 2001-07-25 Jan Hubicka <jh@suse.cz>
4746 Richard Henderson <rth@redhat.com>
4748 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
4750 (make_edges): New argument update_p; populate the edge cache if set.
4751 (find_basic_blocks): Update make_edges invocation.
4753 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4755 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
4757 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4759 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
4760 -Acpu and -Amachine.h.
4761 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
4762 Corrected header to say ELF not a.out.
4763 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
4764 when given -msoft-float.
4766 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4768 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
4769 extra multilib parts like arm-elf.
4770 (i960-*-coff*, i960-*-rtems): Should not use collect2.
4771 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
4772 crtfini.o as extra multilib parts.
4774 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4776 * configure.in: Add rtems as a supported thread model.
4777 * gthr-rtems.h: Add missing entry point __gthread_active_p.
4778 * configure: Rebuilt.
4780 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
4782 * stor-layout.c (get_mode_alignment): make it work when
4783 BITS_PER_UNIT is not a power of two.
4784 * builtins.c (get_pointer_alignment): Likewise.
4786 2001-07-24 Richard Henderson <rth@redhat.com>
4788 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
4789 the retrieved constant into the expected mode.
4791 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4793 * flow.c (try_simplify_condjump): Avoid duplicated edges.
4794 (verify_flow_info): Check for duplicated edges; clarify
4797 * flow.c (block_label): Update basic_block_for_insn.
4798 (commit_edge_insertions): Call compute_bb_for_insn.
4800 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
4803 * flow.c (redirect_edge_and_branch,
4804 try_optimize_cfg): Use redirect_edge_succ_nodup
4805 (redirect_edge_succ_nodup): New.
4806 * basic_block.h (redirect_edge_succ_nodup): Declare.
4808 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
4811 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
4813 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
4814 (try_crossjump_to_edge): Update commetns.
4815 (try_crossjump_bb): Likewise.
4817 2001-07-24 Richard Henderson <rth@redhat.com>
4819 * combine.c (distribute_notes): Move set of need_refresh
4820 for noop_move_p down to catch all cases.
4822 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
4824 * recog.c (split_all_insns_noflow): New.
4825 * rtl.h (split_all_insns_noflow): Declare.
4826 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
4827 * m68hc11.c (m68hc11_reorg): Likewise.
4828 * sh.c (machine_dependent_reorg): Likewise.
4829 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
4832 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
4834 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
4835 (ashlsi3_n splitter): Likewise.
4836 (lshrsi3_n splitter): Likewise.
4838 (GOTaddr2picreg): Make const SImode.
4839 (sym_label2reg): Likewise.
4840 (symGOT2reg): Likewise.
4841 (symGOTOFF2reg) Likewise.
4843 (casesi_worker_0): Make unspec SImode.
4845 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
4847 * config/sh/sh.c (barrier_align): Check that an operand really is
4848 an insn before extracting its INSN_CODE.
4850 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
4852 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
4855 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
4856 for SImode to prevent overflow.
4858 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4860 * config/mips/irix6-libc-compat.c: New file.
4861 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
4862 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
4865 2001-07-24 lars brinkhoff <lars@nocrew.org>
4867 * rtl.texi (REG_POINTER): Document.
4868 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
4869 QFmode, HFmode, TQFmode, QCmode, and HCmode.
4871 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4873 * flow.c (delete_noop_moves): Do not confuse libcall regions.
4875 2001-07-23 Richard Henderson <rth@redhat.com>
4877 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
4879 2001-07-23 Kazu Hirata <kazu@hxi.com>
4881 * config/h8300/h8300-protos.h: Add a prototype for
4882 general_operand_dst_push.
4883 * config/h8300/h8300.c (general_operand_dst_push): New.
4884 * config/h8300/h8300.h (OK_FOR_T): New.
4885 (EXTRA_CONSTRAINT): Use it.
4886 * config/h8300/h8300.md (movqi_push): Remove and integrate into
4887 the existing movqi pattern.
4888 (movhi_push): Likewise.
4890 * reload.c: Fix comment typos.
4892 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4894 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
4896 2001-07-23 H.J. Lu (hjl@gnu.org)
4898 * doc/extend.texi: Update __builtin_return_address and
4899 __builtin_frame_address.
4901 2001-07-23 Richard Henderson <rth@redhat.com>
4903 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
4905 * config/i386/i386.md: New setcc+movzbl peephole2.
4907 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4909 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
4910 * objc/objc-act.c: Include debug.h.
4911 (synth_module_prologue): Save and restore debug hooks too.
4913 2001-07-23 lars brinkhoff <lars@nocrew.org>
4915 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
4916 and C4X_FLOAT_FORMAT.
4917 (BOOL_TYPE_SIZE): Document.
4919 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
4921 * unroll.c (loop_iterations): Fix miscalculation of initial
4924 2001-07-13 Andrew Haley <aph@redhat.com>
4926 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
4927 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
4928 * config/sh/sh.c (sh_can_redirect_branch): New function.
4929 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
4930 * reorg.c (steal_delay_list_from_target): Use
4931 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
4933 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4935 * flow.c (try_simplify_condjump): Unlink insn chain on
4936 fallthru edge; use can_fallthru.
4938 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4940 * basic-block.h (find_sub_basic_block): Declare.
4941 * flow.c (make_edges): New arguments MIN and MAX;
4942 (find_sub_basic_blocks): Revamp to use make_edges
4943 and purge_dead_edges.
4944 (find_basic_blocks): Update call of find_sub_basic_block.
4946 * recog.c (split_all_insns): Always expect CFG to be consistent;
4947 call find_sub_basic_blocks in case something has changed.
4948 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
4951 * basic-block.h (delete_noop_moves): Declare.
4952 * combine.c (combine_instructions): Call it.
4953 (recog_for_combine): Tolerate noop moves
4954 (distribute_notes): Force refresh when register dies at noop move.
4955 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
4957 (life_analysis): Update delete_noop_moves call.
4958 (set_noop_p): Move too ...
4959 * rtlanal.c (noop_move_p): ... here.
4960 * rtl.h (noop_move_p): Declare.
4962 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
4963 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
4965 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
4966 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
4968 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
4970 * reload.c (push_reload): Fix typo in comment.
4971 (find_reloads_address): Ditto.
4972 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
4974 2001-07-22 Richard Henderson <rth@redhat.com>
4976 * flow.c: Grammar check and clarify a lot of comments.
4977 (try_simplify_condjump): Rename variables to be clearer.
4978 (try_forward_edges): Skip complex and fallthru edges.
4979 Rearrange tests to avoid duplicate checks.
4980 (flow_find_cross_jump): Likewise.
4981 (outgoing_edges_match): Allow match if neither branch has
4982 probability data. Loosen probability match to 5%.
4983 (try_crossjump_to_edge): Hoist repeated indirection into
4985 (try_crossjump_bb): Don't check complex edges. Eliminate
4986 redundant crossjump tests.
4987 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
4988 checks before more expensive checks.
4990 2001-07-22 Richard Henderson <rth@redhat.com>
4992 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
4993 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
4996 2001-07-22 Richard Henderson <rth@redhat.com>
4998 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
4999 (const_sint32_operand): Likewise.
5000 * m68k.md (anon mulsi pattern): Use const_int_operand not
5001 const_sint32_operand.
5002 (umulsi3_highpart): Zero extend a constant input.
5003 (smulsi3_highpart): Don't bother checking SImode constant.
5004 (const_umulsi3_highpart): Give op3 DImode.
5005 (const_smulsi3_highpart): Likewise.
5007 2001-07-22 Richard Henderson <rth@redhat.com>
5009 * flow.c (split_block): Make sure bb_note is included in the
5010 new block when splitting before a label.
5012 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5014 * basic-block.h (redirect_edge_and_branch_force,
5015 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
5016 * flow.c (redirect_edge_and_branch_force,
5017 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
5018 (redirect_edge_and_branch_force): Fix copying of lifeness information.
5019 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
5020 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
5021 instead of label; update CFG after transformation.
5022 (find_if_case_1): Update call, use redirect_edge_and_branch_force
5023 for finishing the transformation; handle even case where ELSE
5024 does not follow THEN.
5025 (find_if_case_2): Update call of dead_or_predictable; simplify
5028 * emit-rtl.c (split_branch_probability): New global variable.
5029 (try_split): Take care to set split_branch_probability and
5030 create REG_BR_PROB note for new jump insns.
5031 * md.texi (define_split): Document new feature.
5033 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
5035 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
5037 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
5038 (asm_out_file): Remove redundant declaration.
5039 (assemble_asm): Remove old #if 0 block.
5040 (assemble_variable): Remove end of function; debug output is
5041 now handled with global_decl. Remove old #if 0 block. Update.
5042 Remove saved_in_section and associated no-op code.
5043 * Makefile.in (varasm.o): Correct dependencies.
5045 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
5047 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5048 the definition in defaults.h.
5050 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
5052 * jump.c: Update comments.
5053 (delete_barrier_successors, delete_unreferenced_labels,
5054 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
5055 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
5056 jump_optimize, jump_optimize_minimal): Kill.
5057 (rebuild_jump_labels): Move code from jump_optimize_1.
5058 (purge_line_number_notes): Likewise.
5059 (copy_loop_headers): Likewise.
5060 * reg-stack.c: Update comment.
5062 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
5063 JUMP_AFTER_REGSCAN): Kill.
5064 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
5065 purge_line_number_notes and copy_loop_headers.
5067 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
5068 Richard Henderson <rth@redhat.com>
5070 * dbxout.c (dbxout_global_decl): New.
5071 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
5072 * sdbout.c (sdbout_finish): New.
5073 (sdbout_debug_hooks): Use it, add comments.
5074 (sdbout_global_decl): Defer initialised public vars to
5076 * varasm.c (assemble_variable): Don't output debug information
5077 for file-scope variables.
5079 2001-07-22 Richard Henderson <rth@redhat.com>
5081 * config/alpha/alpha.c (get_trap_mode_suffix): New.
5082 (get_round_mode_suffix): New.
5083 (print_operand): Use them for [/]. Remove support for [&'`()+].
5084 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
5085 * config/alpha/alpha.md (attr round_suffix): New.
5086 (attr trap_suffix): New.
5087 (all insns): Set them appropriately. Use %/ instead of the
5090 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5092 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
5094 2001-07-22 Richard Henderson <rth@redhat.com>
5096 * regrename.c (regrename_optimize): Compute nregs for each
5097 potential target register.
5099 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
5100 Richard Henderson <rth@redhat.com>
5102 * dbxout.c (dbxout_global_decl): New.
5103 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
5104 * sdbout.c (sdbout_finish): New.
5105 (sdbout_debug_hooks): Use it, add comments.
5106 (sdbout_global_decl): Defer initialised public vars to
5108 * varasm.c (assemble_variable): Don't output debug information
5109 for file-scope variables.
5111 2001-07-21 H.J. Lu (hjl@gnu.org)
5113 * config/mips/mips.c (mips_cpu): Moved into ...
5114 (override_options): Here.
5116 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
5118 (mips_cpu): Removed.
5120 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5122 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
5123 ("iorqi3"): Likewise.
5124 ("xorqi3"): Likewise.
5125 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
5126 ("*subhi3_sp): Likewise.
5127 ("*subhi3"): Likewise.
5128 ("extendhisi2"): Accept D, X and Y as source operand to avoid
5131 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
5133 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
5134 * config/freebsd.h: Likewise.
5135 * config/linux.h: Likewise.
5136 * config/openbsd.h: Likewise.
5137 * config/alpha/linux-elf.h: Likewise.
5138 * config/arm/linux-elf.h: Likewise.
5139 * config/d30v/d30v.h: Likewise.
5140 * config/fr30/fr30.h: Likewise.
5141 * config/ia64/aix.h: Likewise.
5142 * config/ia64/ia64.h: Likewise.
5143 * config/mips/linux.h: Likewise.
5144 * config/pj/pj.h: Likewise.
5145 * config/rs6000/linux.h: Likewise.
5146 * config/sparc/linux.h: Likewise.
5147 * config/sparc/linux64.h: Likewise.
5149 2001-07-20 Bruce Korb <bkorb@gnu.org>
5151 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
5152 because getc() and char* may disagree on signedness.
5154 2001-07-20 Richard Henderson <rth@redhat.com>
5156 * doc/rtl.texi (REG_DEAD): Update for current semantics.
5158 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
5159 insns to delete in the presence of cc0 in a jump insn.
5161 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5162 Jan Hubicka <jh@suse.cz>
5164 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
5165 of doing the change by hand.
5167 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5169 * rtlanal.c (set_noop_p): Return true for noop jumps.
5171 * expr.c (emit_single_push_insn): Add call to push expander.
5172 * expr.h (optab_index): Add OTI_push
5173 (push_optab): New constant.
5174 * genopinit.c (optabs): Add push_optab.
5175 * optabs.c (init_optab): Init push optab.
5176 * md.texi (push??1): Document
5178 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5180 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
5181 expand to emit the pattern; put a REG_INC note for push/pop
5183 ("movdf", "movdf_internal"): Likewise.
5184 ("movsi", "movsi_internal"): Likewise.
5185 ("movsf", "movsf_internal"): Likewise.
5186 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
5188 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5190 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
5193 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
5195 * params.def: Change default max inline insns to 100.
5197 2001-07-20 Diego Novillo <dnovillo@redhat.com>
5199 * combine.c (combine_simplify_rtx): Generate a new shift operation
5200 when simplifying the first operand of a (neg (ashift)) expression.
5202 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
5204 * regclass.c (N_REG_INTS): Use only 32 bits per element.
5206 2001-07-20 Kelley Cook <kelley.cook@home.com>
5208 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
5209 information. Move rest into ...
5210 (*-*-solaris): ... here. Eliminate redundant information and
5211 reword necessary packages section. Delete 4.x assembler bug info.
5212 (sparc-sun-*): Merge into ...
5213 (sparc-sun-sunos*): here.
5215 2001-07-20 Catherine Moore <clm@redhat.com>
5217 * config/v850/v850.md (casesi): Generate LABEL_REF
5220 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
5222 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
5223 * i386.c (ix86_zero_extend_to_Pmode): Make global.
5224 * i386.md (strclrsi expander): Use it.
5226 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5228 * integrate.c (copy_insn_list): handle
5229 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
5230 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
5231 identically as to CODE_LABEL.
5233 * fold-const (fold): Convert A/B/C to A/(B*C) and
5236 * except.c (connect_post_landing_pads): Delete the RESX insns.
5238 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
5240 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
5242 * config/mips/mips.md (nmadd/nmsub): Use macro.
5244 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
5246 * cppinit.c (remove_dup_dir): Make static.
5247 (remove_dup_dirs): Make static. Only warn about preempting a
5248 system directory with a non-system directory.
5250 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
5252 * ifcvt.c (noce_try_store_flag_constants): Correct order
5253 of parameters to trunc_int_for_mode.
5255 2001-07-19 Mark Mitchell <mark@codesourcery.com>
5257 * reorg.c (fill_simple_delay_slots): If an instruction might throw
5258 an exception that will be caught within this function, do not fill
5259 its delay slot with any subsequent instruction.
5261 2001-07-19 Steve Ellcey <sje@cup.hp.com>
5263 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
5264 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
5265 pointer extension instruction.
5266 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
5267 * simplify-rtx.c (simplify_unary_operation) Likewise.
5268 * explow.c (convert_memory_address) Check value of
5269 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
5271 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
5272 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
5273 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
5274 Add Multilib Support.
5275 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
5276 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
5277 Add Multilib Support.
5278 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
5280 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
5281 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
5282 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
5284 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
5286 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
5287 old and new operands in `<', `3' and `b'.
5289 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
5291 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
5292 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
5293 (toplev.o): Don't depend on xcoffout.h.
5294 * c-decl.c: Include debug.h
5295 (duplicate_decls): Use debug hook.
5296 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
5297 (dbx_debug_hooks, xcoff_debug_hooks): Update.
5298 (dbxout_types): Remove.
5299 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
5300 * debug.c (do_nothing_debug_hooks): Update.
5301 (debug_true_tree, debug_nothing_rtx): New.
5302 * debug.h (struct rtx_def): New.
5303 (struct gcc_debug_hooks): New hooks ignore_block,
5304 outlining_inline_function and label.
5305 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
5306 dwarf2out_frame_finish): New.
5307 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
5308 Make static, update prototype.
5309 (dwarf2_debug_hooks): Update.
5310 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
5311 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
5312 * dwarfout.c (dwarf_debug_hooks): Update.
5313 * emit-rtl.c: Include debug.h.
5314 (remove_unnecessary_notes): Use debug hook.
5315 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
5316 (final_scan_insn): Use debug hook.
5317 * integrate.c (output_inline_function): Use debug hook.
5318 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
5319 (sdb_debug_hooks): Update.
5320 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
5321 * toplev.c: Don't include xcoffout.h.
5322 (note_outlining_of_inline_function, debug_ignore_block): Remove.
5323 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
5325 * tree.h (dwarf2out_do_frame): Remove.
5327 2001-07-19 Catherine Moore <clm@cygnus.com>
5329 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
5331 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
5333 * reload1.c (eliminate_regs_in_insn): When updating a set
5334 to the frame pointer to the hardware frame pointer, perform
5335 the update always not just when REPLACE is set.
5337 * reload1.c (choose_reload_regs): Don't inherit a reload
5338 that crosses multiple registers if registers past the first
5339 don't fit in the desired class.
5341 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
5342 when negating constants.
5344 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
5346 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
5347 * doc/tree.texi: Ditto.
5349 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
5350 Jakub Jelinek <jakub@redhat.com>
5352 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
5353 (extract_cie_info): Handle "eh" augmentation properly,
5355 (struct frame_state, __frame_state_for): New.
5357 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5359 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
5360 HANDLE_SYSV_PRAGMA): Define.
5361 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
5363 (copy_object): Caller changed.
5365 2001-07-19 Andreas Schwab <schwab@suse.de>
5367 * configure.in (assembler dwarf2 debug_line support): Define nop
5369 * configure: Regenerated.
5371 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
5373 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
5375 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
5376 to conditionally compiled block.
5377 (dbx_debug_hooks, xcoff_debug_hooks): Update.
5378 * dbxout.h (dbxout_function): Remove.
5379 * debug.c (do_nothing_debug_hooks): Update.
5380 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
5381 global_decl, deferred_inline_function.
5382 * dwarf2out.c (dwarf2_debug_hooks): Update.
5383 (dwarf2out_global_decl): New.
5384 * dwarfout.c: Don't include dwarfout.h.
5385 (dwarfout_global_decl, dwarfout_function_decl,
5386 dwarfout_deferred_inline_function): New.
5387 (dwarf_debug_hooks): Update.
5388 * dwarfout.h: Remove.
5389 * final.c: Don't include dwarfout.h.
5390 * sdbout.c (sdbout_global_decl): New.
5391 (sdbout_debug_hooks): Update.
5392 * toplev.c: Don't include dwarfout.h.
5393 (check_global_declarations, rest_of_compilation): Use new debug hooks.
5394 (note_deferral_of_defined_inline_function): Remove.
5395 * toplev.h (note_deferral_of_defined_inline_function): Remove.
5396 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
5397 * ch/lex.c: Don't include dwarfout.h.
5398 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
5399 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
5400 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
5401 * cp/optimize.c: Include debug.h.
5402 (maybe_clone_body): Use debug hook.
5403 * cp/semantics.c: Include debug.h.
5404 (expand_body): Use debug hook.
5405 * po/POTFILES.in: Remove dwarfout.h.
5407 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
5409 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
5410 * c-parse.in (yyerror, _yylex): Similarly.
5411 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
5412 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
5414 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
5415 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
5417 2001-07-18 Jeff Sturm <jsturm@one-point.com>
5419 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
5420 in-class declaration at -g1. Fixes c++/2814.
5422 2001-07-18 Richard Henderson <rth@redhat.com>
5424 * doc/md.texi (reload_in/out): Document restrictions in predicates
5425 and constraints for these patterns. Document empty string matching
5428 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5430 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
5432 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5434 * cse.c: Undo my previous patch.
5436 2001-07-18 Tom Tromey <tromey@redhat.com>
5439 * configure: Rebuilt.
5440 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
5442 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
5444 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
5445 Jan Hubicka <jh@suse.cz>
5447 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
5448 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
5449 * jump.c (mark_jump_label): Do not forward branches.
5451 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
5453 * cse.c (delete_trivially_dead_insns): Delete the libcall block
5454 when return value is unused.
5456 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5458 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
5460 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
5462 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
5463 on error. We can't blindly return the result of
5464 pthread_mutex_trylock because it returns a positive number on
5465 error, while we must return -1 on error.
5466 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
5468 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
5470 2001-07-18 Andreas Jaeger <aj@suse.de>
5472 * integrate.c (output_inline_function): Correct type of debug_hooks.
5474 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
5476 * combine.c (combine_simplify_rtx): DIV can be treated
5477 associatively for floats if unsafe math optimisations are enabled.
5479 2001-07-17 Richard Henderson <rth@redhat.com>
5481 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
5483 2001-07-17 Richard Henderson <rth@redhat.com>
5485 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
5486 don't force the function address into a register.
5487 (expand_call, emit_library_call_value_1): Update callers.
5488 * builtins.c (expand_builtin_apply): Likewise.
5489 * expr.h (prepare_call_address): Update decl.
5491 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
5493 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
5495 * config/i386/chorus.h: Move up.
5496 * config/sparc/chorus.h: Likewise.
5497 * config/rs6000/chorus.h: Likewise.
5498 * config/chorus.h: Moved here.
5500 2001-07-17 Andreas Schwab <schwab@suse.de>
5502 * configure.in (assembler eh_frame optimization): Handle big
5504 * configure: Regenerated.
5506 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
5508 * expr.c (epxand_expr): Convert divisions into multiplications by
5509 reciprocals if -ffast-math.
5511 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
5513 * dbxout.c (dbxout_really_begin_function): Rename to
5514 dbxout_begin_function.
5515 (dbx_debug_hooks, xcoff_debug_hooks): Update.
5516 (dbxout_begin_function): Remove.
5517 (dbxout_function): Update.
5518 (dbxout_source_line): Update prototype.
5519 * dbxout.h (dbxout_begin_function): Remove.
5520 * debug.c (do_nothing_debug_hooks): Update.
5521 (debug_nothing_tree): Update.
5522 (debug_nothing_charstar_rtx): Remove.
5523 * debug.h (union tree_node): Declare.
5524 (struct rtx_def): Remove.
5525 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
5526 begin_function. Change source_line prototype.
5527 (debug_nothing_tree): New.
5528 (debug_nothing_charstar_rtx): Delete.
5529 (dwarf2out_begin_prologue): Moved from ...
5531 * dwarf2out.c (dwarf2_debug_hooks): Update.
5532 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
5533 debug info, call dwarf2out_source_line.
5534 (dwarf2out_souce_line): Update prototype.
5535 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
5536 Change prototype, make static.
5537 (dwarfout_source_line): Update prototype.
5538 (dwarf_debug_hooks): Update.
5539 * dwarfout.h (dwarfout_begin_function): Remove.
5540 * final.c (final_start_function, final_scan_insn): Use appropriate
5541 debug hooks, update to use notice_source_line.
5542 (output_source_line): Rename notice_source_line. Don't call the
5543 source_line debug hook.
5544 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
5545 make static, update prototype.
5546 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
5548 (sdbout_end_prologue): New.
5549 (sdbout_source_line): Update prototype.
5550 (sdbout_debug_hooks): Update.
5551 (sdbout_symbol): Remove unused var.
5552 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
5554 * varasm.c: Include debug.h.
5555 (assemble_start_function): Use begin_function debug_hook.
5556 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
5557 update with prototype.
5558 (xcoffout_source_line): Update prototype.
5559 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
5561 (xcoffout_source_line): Update prototype.
5563 2001-07-17 Richard Henderson <rth@redhat.com>
5565 * c-typeck.c (build_binary_op): Do not shorten unsigned
5566 right shift after sign extension.
5568 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
5570 * combine.c (combine_simplify_rtx): Attempt to simplify
5571 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
5573 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
5574 (simplify_binary_operation, simplify_unary_operation,
5575 simplify_relational_operation): Use it.
5577 * combine.c (combine_simplify_rtx): Don't do associative law
5578 on divisions; allow associative law on floats.
5580 2001-07-17 H.J. Lu <hjl@gnu.org>
5581 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5583 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
5584 ASM_OUTPUT_WEAK_ALIAS are defined.
5585 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
5586 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
5588 * config/mips/iris5.h: ... here.
5589 (HANDLE_SYSV_PRAGMA): Defined as 1.
5590 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
5591 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
5594 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
5596 * c-parse.in (all_prefix_attributes): New variable.
5597 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
5598 (maybe_resetattrs): New production.
5599 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
5600 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
5601 notype_initdcl, nested_function, notype_nested_function,
5602 component_decl, components, components_notype,
5603 component_declarator, component_notype_declarator,
5604 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
5605 ivars, mydecl, myparm): Update. Avoid prefix attributes just
5606 after a comma being applied to more than one declarator.
5607 * doc/extend.texi (Attribute Syntax): Update. Remove
5608 documentation of bugs that are no longer present.
5610 2001-07-13 Eric Christopher <echristo@redhat.com>
5612 * config/mips/mips.h: Change TUNE_MIPS* options to use
5614 (EXTRA_SPECS): Add cc1_cpu_spec.
5615 * config/mips/mips.md (muldf3): Fix typo.
5617 2001-07-16 Richard Henderson <rth@redhat.com>
5619 * config/m68k/m68k.c: Include expr.h and reload.h.
5620 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
5621 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
5623 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
5624 Richard Henderson <rth@redhat.com>
5626 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
5627 (insn_live_p): Fix fall off end of function.
5628 (dead_libcall_p): Remove COUNTS argument; update callers.
5629 (delete_trivially_dead_insns): Remove unused variables.
5631 2001-07-17 Andreas Jaeger <aj@suse.de>
5633 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
5636 * lcm.c (optimize_mode_switching): Avoid warning for unused
5637 variable if !NORMAL_MODE.
5639 * flow.c (try_crossjump_to_edge): Remove unused variable.
5641 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
5643 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
5644 atexit declaration in stdlib.h.
5646 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
5648 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
5650 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5652 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
5653 * except.c (finish_eh_generation): Update call of cleanup_cfg;
5654 do rebuild_jump_labels instead of jump_optimize
5655 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
5656 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
5657 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
5659 * flow.c: Include timevar.h
5660 (find_basic_block): Push/pop timevar;
5661 (cleanup_cfg): Likewise.
5662 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
5663 * Makefile: Add dependencies on timevar.h
5665 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
5666 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
5668 * rtl.h (delete_trivially_dead_insns): Add new parameter.
5669 * toplev.c (rest_of_compilation): Update calls.
5670 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
5671 (delete_trivially_dead_insns): ... here; accept new argument
5672 preserve_basic_blocks; preserve basic blocks if set.
5674 * reg-stack.c (stack_regs_mentioned): Return 0 if
5675 stack_regs_mentioned_data is not initialized.
5676 (reg_to_stack): Make stack_regs_mentioned survive after the
5677 reg-stack is completted; do not call cleanup_cfg.
5678 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
5679 make cleanup_cfg after bb-reorder to output to debug file.
5681 2001-07-16 Richard Henderson <rth@redhat.com>
5683 * regclass.c (init_reg_sets): Use only 32 bits per initializer
5684 from int_reg_class_contents.
5686 2001-07-16 Richard Henderson <rth@redhat.com>
5688 * hard-reg-set.h (regs_invalidated_by_call): Declare.
5689 * regclass.c (regs_invalidated_by_call): Move from cse.c.
5690 (init_reg_sets_1): Move initialization from cse_main.
5691 * cse.c (regs_invalidated_by_call): Move to regclass.c.
5692 (cse_main): Move its initialization also.
5693 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
5694 * flow.c (propagate_one_insn): Likewise.
5695 * gcse.c (compute_hash_table): Likewise.
5696 (compute_kill_rd, compute_store_table): Likewise.
5697 * sched-deps.c (sched_analyze_1): Likewise.
5699 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
5701 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
5704 2001-07-16 Steve Ellcey <sje@cup.hp.com>
5706 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
5707 in if statement so we don't access undefined memory.
5709 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
5711 * gcse.c: Update comment at top.
5712 Update comment on mem handling.
5713 mem_last_set, mem_first_set, mem_set_in_block: gone.
5714 Declaration of reg_set_info: gone.
5715 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
5716 pointless with load_killed_in_block_p (they are *more*
5717 conservative then it, not less, and less accurate).
5718 (oprs_not_set_p): Ditto.
5719 (alloc_gcse_mem): Don't allocate mem_set_in_block
5720 (free_gcse_mem): Don't free it, either.
5721 (record_last_mem_set_info): Update comment in front, remove
5722 mem_*set_* stuff. Note the reason we don't handle stores directly
5724 (compute_hash_table): Update comments to reflect reality. Remove
5725 mem_*set_* references.
5726 (reset_opr_set_tables): Remove mem_*set_* references.
5728 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
5729 (mark_clobber): Ditto (on both parts, we double set here too).
5730 (expr_killed_p): Remove mem_set_in_block test.
5731 (compute_transp): Remove mem_set_in_block test.
5733 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
5734 of edge, and removal of phi alternative to dump file.
5735 (ssa_ccp_substitute_constants): Add note about register now being
5736 constant, and which uses were replaced in what insns to dump file.
5738 2001-07-16 Andreas Jaeger <aj@suse.de>
5740 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
5741 variables of type HOST_WIDEST_INT.
5743 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
5744 (__bb_exit_func): Correct type of count_max to avoid overflow.
5745 (num_digits): Handle long long argument.
5747 * combine.c (gen_lowpart_for_combine): Remove unused variable.
5749 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5751 * output.h (sdb_begin_function_line): Restore as an extern
5753 * sdbout.c (sdb_begin_function_line): Make extern.
5755 2001-07-15 Richard Henderson <rth@redhat.com>
5757 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
5758 * genrecog.c (maybe_both_true_mode): New.
5759 (maybe_both_true_2): Use it.
5760 (write_switch): Don't put Pmode in a switch.
5761 * rtl.c (mode arrays): Don't explicitly size them.
5763 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5765 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
5766 handling; move unconditional splitting before mode switching.
5768 * i386.md (type): Add fistp type.
5769 (i387, length_attr, scheduling definitions): Handle this type.
5770 (fix_trunc?f?i2): Revamp to use mode switching.
5771 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
5772 * i386.h (fp_cw_mode): New enum
5773 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
5774 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
5776 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5778 * Makefile.in (integrate.o): Add debug.h.
5779 * integrate.c (debug.h): Add.
5780 (output_inline_function): Save, reset, and restore debug_hooks.
5782 2001-07-15 Richard Henderson <rth@redhat.com>
5784 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
5785 instead of COMPARE for the EQUIV expression.
5787 2001-07-15 Richard Henderson <rth@redhat.com>
5789 * flow.c (redirect_edge_and_branch_force): Initialize
5790 global_live_at_start and global_live_at_end.
5791 (allocate_bb_life_data): Export.
5792 * basic-block.h (allocate_bb_life_data): Declare.
5793 * toplev.c (rest_of_compilation): Call it.
5795 2001-07-15 Richard Henderson <rth@redhat.com>
5797 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
5798 (alpha_tablejump_best_label): New.
5799 * config/alpha/alpha-protos.h: Declare them.
5800 * config/alpha/alpha.md: Use braced strings for code blocks.
5801 (tablejump_osf): Break out add with r29.
5802 (tablejump_osf_internal): Remove.
5803 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
5804 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
5806 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5808 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
5811 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
5813 * i386-protos.h (ix86_split_fp_branch): Update prototype.
5814 (ix86_fp_jump_nontrivial_p): New.
5815 * i386.md (fp_jcc_?): Update call of split_fp_branch;
5816 use ix86_fp_jump_nontrivial_p.
5817 * i386.c (ix86_fp_jump_nontrivial_p): New.
5818 (ix86_split_fp_branch): Accept code instead of rtx.
5819 (ix86_expand_compare): Expand comparison early in case
5820 doing so is resonably cheap.
5822 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
5824 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
5826 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
5827 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
5829 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
5831 * dbxout.c (dbxout_source_line): Make static, update prototype.
5832 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
5833 (dbxout_init, dbxout_finish, dbxout_source_line,
5834 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
5835 * dbxout.h (dbxout_source_line): Delete.
5836 * debug.c (debug_nothing_file, debug_nothing_file_int,
5837 debug_nothing_file_charstar_rtx): New.
5838 (do_nothing_debug_hooks): Update.
5839 (debug_nothing_void, debug_nothing_charstar_rtx,
5840 dwarf2out_end_epilogue): New.
5841 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
5842 * debug.h (struct rtx_def): Declare.
5843 (gcc_debug_hooks): New hooks source_line, end_epilogue
5845 (debug_nothing_void, debug_nothing_charstar_rtx,
5846 dwarf2out_end_epilogue): New.
5847 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
5848 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
5849 (dwarf2_debug_hooks): Update.
5850 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
5851 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
5852 * dwarf2out.h (dwarf2out_source_line): Remove.
5853 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
5854 Make static, update prototype.
5855 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
5856 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
5857 (dwarf_debug_hooks): Update.
5858 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
5859 dwarfout_end_function): Remove.
5860 * final.c (profile_function): Use debug hooks for ending functions
5862 (output_source_line, final_end_function): Update prototype,
5864 (final_start_function, final_scan_insn): Update.
5865 * output.h (sdb_begin_function_line): Remove.
5866 (final_end_function): Update prototype.
5867 * sdbout.c (sdb_begin_function_line): Make static.
5868 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
5869 (sdbout_source_line): New.
5870 (sdbout_end_epilogue, sdbout_end_function): Make static, update
5872 (sdb_debug_hooks): Update.
5873 (sdbout_init, sdbout_source_line,
5874 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
5875 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
5876 * toplev.c (compile_file, rest_of_compilation): Update.
5877 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
5878 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
5879 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
5880 Update for prototype changes.
5881 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
5882 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
5884 2001-07-15 Richard Henderson <rth@redhat.com>
5886 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
5887 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
5888 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
5889 * config/alpha/alpha.c: Likewise.
5890 * config/alpha/alpha.md: Likewise.
5891 * config/alpha/alpha32.h: Likewise.
5892 * config/alpha/vms.h: Likewise.
5895 2001-07-14 Richard Henderson <rth@redhat.com>
5897 * config/alpha/alpha.md: Use define_constants for unspec values.
5898 Substitute throughout.
5900 2001-07-14 Tim Josling <tej@melbpc.org.au>
5902 * tree.def (EXPON_EXPR) remove. Never supported anyway.
5904 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
5906 * pa.md: Remove unused constraints from define_split's.
5908 2001-04-14 Richard Henderson <rth@redhat.com>
5910 * ifcvt.c (find_cond_trap): Test for exit block.
5912 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
5914 Re-install recently reverted patch.
5915 * emit-rtl.c (try_split): Update mark_jump_label call.
5916 * flow.c (find_sub_basic_blocks): Likewise.
5917 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
5919 (mark_all_labels): Kill second parameter.
5920 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
5921 (rebuild_jump_labels, jump_optimize_minimal): Update call
5923 (jump_optimize_1): Kill crossjumping code.
5924 (mark_jump_label): Kill cross_jump parameter.
5925 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
5926 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
5927 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
5929 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
5931 (dump_file_info): Likewise.
5932 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
5933 reorganize passes to do reg-stack first, bb-reorder second.
5934 * invoke.texi (-d letters doc): Remove the jump2 pass.
5936 2001-07-14 Richard Henderson <rth@redhat.com>
5938 * ifcvt.c (find_cond_trap): New.
5939 (find_if_header): Call it.
5940 (merge_if_block): Relax existing jump sanity check.
5941 * jump.c (jump_optimize_1): Remove conditional trap handling.
5943 2001-07-14 Alan Modra <amodra@bigpond.net.au>
5945 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
5947 (insn_refs_are_delayed): Correct comment.
5948 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
5949 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
5950 instead of r31. Make associated insn !TARGET_64BIT, and
5951 provide an additional 64-bit insn that clobbers r2.
5953 (udivsi3): Likewise.
5955 (umodsi3): Likewise.
5957 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
5959 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
5961 * flow.c (redirect_edge_and_branch_force, split_edge,
5962 try_crossjump_to_edge): Use set_block_for_new_insns.
5963 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
5965 2001-07-13 H.J. Lu (hjl@gnu.org)
5967 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
5970 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
5972 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
5974 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
5976 * c-common.c (decl_attributes): Take a pointer to the node to
5977 which attributes are to be attached, and a flags argument.
5978 * c-common.h (enum attribute_flags): New.
5979 (decl_attributes): Update prototype.
5980 * c-decl.c (start_decl, push_parm_decl, finish_struct,
5981 finish_enum, start_function): Update calls to decl_attributes.
5982 * c-parse.in (component_declarator, component_notype_declarator,
5983 label): Update calls to decl_attributes.
5985 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
5987 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
5988 * config/avr/avr.c (legitimate_address_p): Return value changed
5989 from letter to register classes. For better debugging.
5991 2001-07-13 Kazu Hirata <kazu@hxi.com>
5993 * jump.c (reversed_comparison_code_parts): Fix comment typos.
5995 2001-07-13 H.J. Lu (hjl@gnu.org)
5997 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
5999 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
6001 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
6002 correctly for shared configurations.
6003 * config/t-libgcc-pic: New.
6004 * config/{i386,m68k,sparc}/t-openbsd: New.
6005 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
6006 Support -shared. Support debugging libraries with -g.
6007 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
6008 frame information does not emit pointer diffs.
6009 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
6012 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6014 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
6016 2001-07-13 David Edelsohn <edelsohn@gnu.org>
6018 * combine.c (try_combine): Ensure const_int pow2 is positive.
6020 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
6022 * config.gcc: Add configuration for s/390.
6023 * config/s390/s390.c: New. Subroutines for code generation.
6024 * config/s390/s390.h: New. Definitions for s/390.
6025 * config/s390/s390-protos.h: New. Prototypes.
6026 * config/s390/linux.h: New. Definitions for linux for s/390.
6027 * config/s390/linux64.h: New. Definitions for linux for zSeries.
6028 * config/s390/t-linux: New. Makefile fragment.
6029 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
6030 * config/s390/fixdfdi.h: New. Fix L_fix*di.
6032 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
6034 * emit-rtl.c (try_split): Update mark_jump_label call.
6035 * flow.c (find_sub_basic_blocks): Likewise.
6036 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
6038 (mark_all_labels): Kill second parameter.
6039 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
6040 (rebuild_jump_labels, jump_optimize_minimal): Update call
6042 (jump_optimize_1): Kill crossjumping code.
6043 (mark_jump_label): Kill cross_jump parameter.
6044 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
6045 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
6046 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
6048 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
6050 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6051 reorganize passes to do reg-stack first, bb-reorder second.
6052 * invoke.texi (-d letters doc): Remove the jump2 pass.
6054 2001-07-12 Steve Ellcey <sje@cup.hp.com>
6056 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
6058 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6060 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
6062 (verify_flow_info): Make diagnostics prettier.
6064 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
6066 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
6068 * flow.c (outgoing_edges_match): Return early if condition reversal
6071 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
6073 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
6074 (mips_move_2words): When splitting a move into two instructions,
6075 prefix the second address operand with '%D'.
6077 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
6079 * Makefile.in (final.o): Depend on debug.h.
6080 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
6081 (dbx_debug_hooks): Add new hooks.
6082 (xcoff_debug_hooks): New.
6083 * debug.c (debug_nothing_file_int_int): New.
6084 (do_nothing_debug_hooks): Update.
6085 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
6086 (debug_nothing_file_int_int): New.
6087 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
6088 static, update prototype.
6089 (dwarf2_debug_hooks): Update.
6090 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
6091 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
6092 static, update prototype.
6093 (dwarf_debug_hooks): Update.
6094 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
6095 * final.c: Include debug.h.
6096 (final_scan_insn): Use debug hooks when beginning and ending blocks.
6097 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
6098 static, update prototype.
6099 (sdb_debug_hooks): Update.
6100 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
6101 * toplev.c: Distinguish between xcoff and dbx.
6103 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
6104 Call all debug hooks, not just dwarf ones.
6106 2001-07-11 Timothy Wall <twall@redhat.com>
6108 * config.gcc: Add configuration for AIX5/IA64.
6109 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
6110 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
6111 support prefix/suffix code.
6112 * config/ia64/t-aix: New. Makefile fragment.
6113 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
6115 2001-07-11 Kazu Hirata <kazu@hxi.com>
6117 * recog.c (validate_change): Fix a comment typo.
6119 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
6121 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
6122 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
6124 * dbxout.c (dbx_debug_hooks): Add new hooks.
6125 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
6127 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
6129 * dbxout.h (dbxout_start_new_source_file,
6130 dbxout_resume_previous_source_file): Delete.
6131 * debug.c (do_nothing_debug_hooks): Add new hooks.
6132 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
6133 (debug_nothing_int_charstar, debug_nothing_int): New.
6134 * debug.h (gcc_debug_hooks): New hooks define, undef,
6135 start_source_file and end_source_file.
6136 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
6137 (debug_nothing_int_charstar, debug_nothing_int): New.
6138 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
6139 the conditionally compiled section.
6140 (dwarf2out_start_source_file, dwarf2out_end_source_file,
6141 dwarf2out_define, dwarf2out_undef): Make static.
6142 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
6143 dwarf2out_define, dwarf2out_undef): Remove.
6144 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
6145 (dwarfout_start_source_file, dwarfout_end_source_file,
6146 dwarfout_define, dwarfout_undef): Make static.
6147 (dwarfout_start_source_file_check,
6148 dwarfout_end_source_file_check): New.
6149 (dwarfout_define, dwarfout_finish): Update.
6150 * dwarfout.h (dwarfout_start_new_source_file,
6151 dwarfout_resume_previous_source_file, dwarfout_define,
6152 dwarfout_undef): Remove.
6153 * sdbout.c (sdb_debug_hooks): Add new hooks.
6154 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
6156 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
6157 make static, take an arg.
6158 * sdbout.h (sdbout_start_new_source_file,
6159 sdbout_resume_previous_source_file): Delete.
6160 * toplev.c (debug_start_source_file, debug_end_source_file,
6161 debug_define, debug_undef): Delete.
6162 * toplev.h (debug_start_source_file, debug_end_source_file,
6163 debug_define, debug_undef): Delete.
6165 * java/jcf-parse.c: Include debug.h.
6166 (parse_class_file): Update to use debug hooks directly.
6167 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
6169 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6171 * alias.c (set_mem_alias_set): New function.
6172 * rtl.h (set_mem_alias_set): Declare it.
6173 * builtins.c (expand_builtin_return_addr): Call it instead of
6174 using MEM_ALIAS_SET accessor.
6175 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
6176 (get_memory_rtx, expand_builtin_va_arg): Likewise.
6177 (expand_builtin_va_copy):Likewise.
6178 * caller-save.c (setup_save_areas): Likewise.
6179 * calls.c (compute_argument_addresses): Likewise.
6180 * explow.c (set_mem_attributes): Likewise.
6181 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
6182 (expand_assignment, store_constructor_field, store_field): Likewise.
6183 (expand_expr_unaligned): Likewise.
6184 * function.c (assign_stack_temp_for_type): Likewise.
6185 (put_reg_into_stack, gen_mem_addressof): Likewise.
6186 * ifcvt.c (noce_try_cmove_arith): Likewise.
6187 * reload1.c (reload, alter_reg): Likewise.
6188 * config/alpha/alpha.c (get_aligned_mem): Likewise.
6189 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
6190 (alpha_expand_unaligned_store): Likewise
6191 (alpha_expand_unaligned_load_words): Likewise.
6192 (alpha_expand_unaligned_store_words): Likewise.
6193 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
6194 (alpha_expand_epilogue): Likewise.
6195 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
6196 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
6197 * config/i386/i386.c (legitimize_pic_address): Likewise.
6198 * config/i960/i960.c (setup_incoming_varargs): Likewise.
6199 * config/ia64/ia64.c (spill_restore_mem): Likewise.
6200 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
6201 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
6202 * config/mips/mips.c (mips_va_arg): Likewise.
6203 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
6204 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
6205 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
6206 (setup_incoming_varargs, rs6000_va_arg): Likewise.
6207 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
6208 (rs6000_emit_epilogue): Likewise.
6209 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
6210 * config/sparc/sparc.c (sparc_va_arg): Likewise.
6211 * config/v850/v850.c (v850_va_arg): Likewise.
6213 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
6215 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
6216 when fallthru edge is present.
6217 (mege_blocks): Handle case where creation of jump insn
6220 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
6221 CLEANUP_POST_REGSTACK): New constants.
6222 * except.c (finish_eh_generation): Update call of cleanup_cfg,
6223 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
6224 * output.h (cleanup_cfg): Update prototype.
6225 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
6226 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
6227 cleanup_cfg call; kill missleading comment.
6228 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
6229 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
6230 parameter; control optimizations performed using it.
6231 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
6232 try_crossjump_bb): New functions.
6234 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
6236 * pa.c (pa_output_function_prologue): Delete prototype. Make function
6238 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
6239 pa_output_function_prologue.
6240 * pa-protos.h (pa_output_function_prologue): New prototype.
6242 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
6244 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
6245 and low to get correct sign extension in low+high test.
6247 2001-07-11 Janis Johnson <janis@us.ibm.com>
6249 * gcov.c (arcdata): Use gcov_type to fix branch percentage
6250 for large hit count.
6252 * profile.c (branch_prob): Fix .bbg info for computed gotos
6255 2001-07-11 Mark Mitchell <mark@codesourcery.com>
6257 * stmt.c (parse_output_constraint): New function, split out
6259 (expand_asm_operands): ... here. Use parse_output_constraint.
6260 * tree.h (parse_output_constraint): Declare it.
6262 2001-07-11 Richard Henderson <rth@redhat.com>
6264 * bitmap.c: Comment some functions; fiddle whitespace.
6265 (bitmap_free): Don't export.
6266 (bitmap_element_allocate): Use memset.
6267 * bitmap.h (bitmap_free): Don't declare.
6269 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
6271 * gcse.c, lcm.c, sched-deps.c:
6272 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
6274 * flow.c (flow_loops_find): Free dom if we found no loops, since
6275 we aren't going to save it.
6277 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
6280 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
6282 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
6284 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6286 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
6287 #ifndef DWARF2_DEBUGGING_INFO.
6289 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6291 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
6293 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6295 * config/mips/mips.c (gen_int_relational): Tell the caller not to
6296 reverse a branch if a NE comparison is implemented with GTU.
6298 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6299 H.J. Lu <hjl@gnu.org>
6301 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
6303 (call_internal2): Likewise.
6304 (call_value_internal1): Likewise.
6305 (call_value_internal2): Likewise.
6306 (call_value_multiple_internal1): Likewise.
6307 (call_value_multiple_internal2): Likewise.
6309 2001-07-10 Kazu Hirata <kazu@hxi.com>
6311 * calls.c (emit_library_call_value_1): Fix a comment typo.
6312 * dwarf2out.c (mem_loc_descriptor): Likewise.
6313 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
6315 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
6317 * simplify-rtx.c (simplify_subreg): Fix typo in comment
6319 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6321 * recog.c (offsettable_address_p): Handle LO_SUM case.
6322 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
6323 instead of plus_constant.
6325 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6327 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
6328 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
6330 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6332 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
6333 adjust_address_nv instead of plus_constant.
6335 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
6337 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
6338 dwarf2out.o): Depend on debug.h, wrap long lines.
6339 * dbxout.c: Include debug.h.
6340 (dbx_debug_hooks): New.
6341 (dbxout_init): Make static, take just 2 args.
6342 (dbxout_finish): Make static.
6343 * dbxout.h (dbxout_init, dbxout_finish): Delete.
6344 * debug.c: New file.
6345 * debug.h: New file.
6346 * dwarf2out.c: Include debug.h.
6347 (dwarf2_debug_hooks): New.
6348 (dwarf2out_init): Make static.
6349 (dwarf2out_finish): Make static, take 2 args.
6350 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
6351 * dwarfout.c: Include debug.h.
6352 (dwarf_debug_hooks): New.
6353 (dwarfout_init): Make static.
6354 (dwarfout_finish): Make static, take 2 args.
6355 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
6356 * sdbout.c: Include debug.h.
6357 (sdb_debug_hooks): New.
6358 (sdbout_init): Make static, take 2 args.
6359 * sdbout.h (sdbout_init): Delete.
6360 * toplev.c: Include debug.h.
6362 (compile_file): Set deubg_hooks based on command line options.
6363 Use the hooks unconditionally rather than conditional compilation.
6365 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
6367 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
6368 first_insn_after_basic_block_note instead.
6370 * df.c (df_bb_refs_unlink): #if 0 out for now.
6372 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
6374 * ssa.h: Add prototype for ssa_const_prop
6375 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
6376 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
6377 (ssa_fast_dce): Remove unused variable
6379 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6381 * diagnostic.c (finish_diagnostic): Rename to
6382 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
6385 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
6387 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
6390 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
6391 (dump_file): Only pad the demangled name with spaces if the
6392 mangled name was padded with spaces.
6394 2001-07-10 Bernd Schmidt <bernds@redhat.com>
6396 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
6399 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6401 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
6402 extraction if no direct load if either EXPAND_CONST_ADDRESS or
6405 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
6406 whether can put offset inside LO_SUM to check mode alignment, not size.
6408 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6410 * doc/tm.texi (Misc): Fix thinko.
6412 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
6414 * regmove.c (replace_in_call_usage): Fix warnings.
6415 * sched-deps.c (add_dependence): Fix warnings.
6416 * simplify-rtx.c (simplify_subreg): Likewise.
6417 Return NULL_RTX instead of NULL.
6419 * reg-stack.c (emit_swap_insn): Eliminate warnings.
6420 (subst_asm_stack_regs): Likewise.
6422 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
6425 * dwarf2out.c (output_call_frame_info): Declare i as int.
6426 (build_abbrev_table): Declare n_alloc as int.
6427 (dwarf2out_finish): Initialize die.
6428 * except.c: Declare sjlj_funcdef_number as unsigned.
6429 (connect_post_landing_pads): Declare j as unsigned.
6430 (convert_to_eh_region_ranges): Initialize call_site.
6431 (output_function_exception_table): Initialize tt_format_size.
6432 * expr.c (move_by_pieces_1): Initialize to1.
6433 (store_constructor): Initialize minelt and maxelt.
6434 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
6435 * function.c (instantiate_decls): Avoid signed/unsigned warning.
6437 * c-decl.c (combine_parm_decls): Unused, remove.
6438 * c-tree.h: Remove prototype for combine_parm_decls.
6440 * reload.c (push_reload): Fix warning.
6441 (regno_clobbered_p): Likewise.
6442 * reload1.c (replace_pseudos_in_call_usage): Likewise.
6443 (reload_combine): Likewise.
6445 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
6446 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
6448 * bitmap.c (bitmap_operation): Change user.
6449 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
6451 2001-07-10 Eric Christopher <echristo@redhat.com>
6453 * config/mips/mips.c (override_options): Fix typo.
6455 2001-07-09 Stan Shebs <shebs@apple.com>
6457 * target.h (struct gcc_target): New fields init_builtins and
6459 * target-def.h (TARGET_INIT_BUILTINS): New macro.
6460 (TARGET_EXPAND_BUILTIN): New macro.
6461 (TARGET_INITIALIZER): Add them.
6462 * builtins.c: Include target.h.
6463 (expand_builtin): Use targetm.expand_builtin.
6464 (default_init_builtins): New function.
6465 (default_expand_builtin): New function.
6466 * expr.h (default_init_builtins): Declare.
6467 (default_expand_builtin): Declare.
6468 * c-common.c (c_common_nodes_and_builtins): Use
6469 targetm.init_builtins.
6470 * defaults.h (MD_INIT_BUILTINS): Remove.
6471 * Makefile.in (builtins.o): Depend on target.h.
6473 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
6474 (TARGET_EXPAND_BUILTIN): Define.
6475 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
6476 (MD_EXPAND_BUILTIN): Remove.
6478 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
6479 (TARGET_EXPAND_BUILTIN): Define.
6480 (c4x_init_builtins): Make endlink arg a local.
6481 (c4x_print_operand): Fix typos in adjust_address usages.
6482 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
6483 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
6484 (MD_EXPAND_BUILTIN): Remove.
6486 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
6487 (TARGET_EXPAND_BUILTIN): Define.
6488 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
6489 (ix86_init_builtins): Call new function only if TARGET_MMX.
6490 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
6491 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
6492 (MD_EXPAND_BUILTIN): Remove.
6494 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
6495 (TARGET_EXPAND_BUILTIN): Define.
6496 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
6497 (MD_EXPAND_BUILTIN): Remove.
6499 * doc/tm.texi: Document these changes.
6501 2001-07-09 Diego Novillo <dnovillo@redhat.com>
6503 * basic-block.h (tree_node): Forward declare if needed.
6504 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
6505 (BLOCK_HEAD_TREE): Define.
6506 (BLOCK_END_TREE): Define.
6507 (struct loops): Rename field 'tree' to 'tree_root'.
6508 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
6510 (flow_loops_tree_build): Rename reference to field 'tree' to
6512 (flow_loops_level_compute): Ditto.
6513 * predict.c (estimate_bb_frequencies): Ditto.
6514 * tree.h (struct tree_common): Add field 'aux'.
6516 2001-07-09 Stan Shebs <shebs@apple.com>
6518 * config/darwin.c (darwin_encode_section_info): Don't mark any
6519 DECL_EXTERNAL node as defined.
6521 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
6523 * pa.c (pa_init_machine_status, pa_mark_machine_status,
6524 pa_free_machine_status, hppa_init_pic_save): Delete.
6525 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
6526 (hppa_profile_hook): Use hppa_pic_save_rtx.
6527 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
6528 hppa_init_pic_save): Delete.
6529 (hppa_pic_save_rtx): Declare.
6530 * pa.md (call, call_value, sibcall, sibcall_value,
6531 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
6533 2001-07-09 Kazu Hirata <kazu@hxi.com>
6535 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
6536 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
6538 2001-07-09 Andreas Jaeger <aj@suse.de>
6540 * output.h: Add declaration of final_forward_branch_p.
6542 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
6544 * varray.c: Include errors.h for internal_error and trim_filename
6547 * Makefile.in (varray.o): Add errors.h.
6549 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
6551 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
6552 * optabs.c (have_add2_insn): Check whether the add insn chosen
6553 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
6554 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
6556 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
6558 * Makefile.in (OBJS): Add ssa-ccp.o
6559 (ssa-ccp.o): Add dependencies.
6560 * toplev.c (DFI_ssa_ccp): New dump file enum.
6561 (dump_file): Add entry for dumping after SSA CCP.
6562 (flag_ssa_ccp): New flag variable.
6563 (f_options): Add -fssa-ccp.
6564 (rest_of_compilation): Run SSA CCP if requested.
6565 * timevar.def (TV_SSA_CCP): New timevar.
6566 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
6567 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
6568 Fix minor typo in SSA DCE documentation.
6569 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
6570 Add documentation for new dump option. Renumber dump files
6573 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6575 * emit-rtl.c (gen_highpart_mode): New.
6576 * rtl.h (gen_highpart_mode): Declare.
6577 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
6578 operand can be VOIDmode constant.
6580 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
6582 * flow.c (redirect_edge_and_branch_force): New.
6583 (can_fallthru): Ensure that basic blocks are succeeding.
6584 (try_optimize_cfg): Do not delete basic block if it is the last one.
6586 * flow.c (try_redirect_by_replacing_jump): Do not remove
6587 jumps with side effects, unlink chain on fallthru edge;
6588 set block for new jump instruction; avoid basic block to
6589 over by line number note.
6591 * flow.c (try_simplify_condjump): Verify that the condjump
6592 is not always falling trought.
6595 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
6597 * flow.c (forwarder_block_p): Fix for fallthru blocks.
6598 (try_redirect_by_replacing_jump): Update properly the count
6599 and frequency information.
6601 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6603 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
6604 address that is a LO_SUM specially.
6605 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
6607 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
6609 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
6610 (operand_subword): Use them.
6611 (change_address_1): Renamed from change_address; new arg VALIDATE.
6612 * expr.h: Reflect above changes; change_address now macro.
6613 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
6615 * cselib.c (add_mem_for_addr): Likewise.
6616 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
6617 * regmove.c (try_apply_stack_adjustment): Likewise.
6618 * reload.c (push_reload, make_memloc): Likewise.
6619 * reload1.c (eliminate_regs): Likewise.
6620 * simplify-rtx.c (simplify_replace_rtx): Likewise.
6621 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
6623 * combine.c (make_extraction, simplify_shift_const): Likewise.
6624 (gen_lowpart_for_combine): Likewise.
6625 * cse.c (gen_lowpart_if_possible): Likewise.
6626 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
6627 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
6628 * optabs.c (gen_move_insn): Likewise.
6629 * reload1.c (alter_reg): Likewise.
6630 * simplify-rtx.c (simplify_subreg): Likewise.
6631 * stmt.c (expand_anon_union_decl): Likewise.
6632 * recog.c (validate_replace_rtx_1): Likewise.
6634 * Makefile.in (recog.o): Add $(EXPR_H).
6635 * explow.c (stabilize): Call replace_equiv_address.
6636 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
6637 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
6639 2001-07-03 Andrew Haley <aph@redhat.com>
6641 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
6642 the mode of the memory location.
6644 2001-07-09 Bo Thorsen <bo@suse.co.uk>
6646 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
6648 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
6650 * final.c (output_addr_const): Use target opening and
6651 closing parentheses.
6652 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
6653 defaults, add to TARGET_ASM_OUT.
6654 * target.h (struct gcc_target): Add open_paren and close_paren.
6655 * doc/md.texi: Update.
6656 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
6657 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
6658 TARGET_ASM_CLOSE_PAREN.
6659 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
6661 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
6663 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
6664 * config/a29k/a29k.h: Similarly.
6665 * config/alpha/alpha.h: Similarly.
6666 * config/arc/arc.h: Similarly.
6667 * config/arm/aof.h: Similarly.
6668 * config/arm/aout.h: Similarly.
6669 * config/avr/avr.h: Similarly.
6670 * config/c4x/c4x.h: Similarly.
6671 * config/clipper/clipper.h: Similarly.
6672 * config/convex/convex.h: Similarly.
6673 * config/d30v/d30v.h: Similarly.
6674 * config/dsp16xx/dsp16xx.h: Similarly.
6675 * config/elxsi/elxsi.h: Similarly.
6676 * config/fr30/fr30.h: Similarly.
6677 * config/h8300/h8300.h: Similarly.
6678 * config/i370/i370.h: Similarly.
6679 * config/i386/i386.h: Similarly.
6680 * config/i860/i860.h: Similarly.
6681 * config/i960/i960.h: Similarly.
6682 * config/ia64/ia64.h: Similarly.
6683 * config/m32r/m32r.h: Similarly.
6684 * config/m68hc11/m68hc11.h: Similarly.
6685 * config/m68k/m68k.h: Similarly.
6686 * config/m88k/m88k.h: Similarly.
6687 * config/mcore/mcore.h: Similarly.
6688 * config/mips/mips.h: Similarly.
6689 * config/mn10200/mn10200.h: Similarly.
6690 * config/mn10300/mn10300.h: Similarly.
6691 * config/ns32k/ns32k.h: Similarly.
6692 * config/pa/pa.h: Similarly.
6693 * config/pdp11/pdp11.h: Similarly.
6694 * config/pj/pj.h: Similarly.
6695 * config/romp/romp.h: Similarly.
6696 * config/rs6000/rs6000.h: Similarly.
6697 * config/sh/sh.h: Similarly.
6698 * config/sparc/sparc.h: Similarly.
6699 * config/v850/v850.h: Similarly.
6700 * config/vax/vax.h: Similarly.
6701 * config/we32k/we32k.h: Similarly.
6703 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
6705 * doc/c-tree.texi: Document representation of attributes.
6707 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
6709 * doc/tm.texi: Update some places for the rename of target to
6712 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
6714 * target.h (struct gcc_target): Add insert_attributes.
6715 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
6716 (TARGET_INITIALIZER): Update.
6717 * tree.c, tree.h (default_insert_attributes): New function.
6718 Update comments on other default functions to refer to targetm,
6720 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
6721 TARGET_INSERT_ATTRIBUTES.
6722 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
6723 * c-common.c (decl_attributes): Use targetm.insert_attributes.
6724 Don't use PRAGMA_INSERT_ATTRIBUTES.
6725 * Makefile.in (c-common.o): Depend on $(TARGET_H).
6726 * c-decl.c (start_decl, start_function): Don't call
6727 SET_DEFAULT_DECL_ATTRIBUTES.
6728 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
6729 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
6731 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
6732 (c4x_check_attribute): Avoid modifying attribute list itself.
6733 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
6735 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
6736 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
6738 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
6739 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
6741 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
6742 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
6744 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
6745 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
6746 Adjust parameters. Make static.
6748 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
6750 * c-common.c (decl_attributes): Only take a single attributes
6752 * c-common.h (decl_attributes): Update prototype.
6753 * c-decl.c (start_decl, start_function): Only take a single
6754 attributes parameter. Update calls to decl_attributes.
6755 (finish_struct, finish_enum): Update calls to decl_attributes.
6756 (push_parm_decl): Expect unified list of attributes. Update call
6758 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
6759 notype_nested_function, component_declarator,
6760 component_notype_declarator, label): Update calls to
6762 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
6763 lists that are passed to push_parm_decl.
6764 * c-tree.h (start_function, start_decl): Update prototypes.
6765 * config/sh/sh-protos.h, config/sh/sh.c
6766 (sh_pragma_insert_attributes): Only take a single attributes
6768 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
6769 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
6770 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
6771 build_module_descriptor, generate_static_references,
6772 generate_strings, build_selector_translation_table,
6773 generate_descriptor_table, generate_protocols,
6774 generate_ivars_list, generate_dispatch_table,
6775 generate_protocol_list, generate_category,
6776 generate_shared_structures, really_start_method, add_objc_decls,
6777 generate_classref_translation_entry): Update calls to start_decl
6779 (build_tmp_function_decl, start_method_def): Unify attribute lists
6780 that are passed to push_parm_decl.
6782 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
6784 * final.c (no_asm_to_stream): New.
6785 (final_scan_insn): Use target structures for prologue ends
6786 and epilogue starts.
6787 * output.h (no_asm_to_stream): New.
6788 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
6789 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
6790 (TARGET_ASM_OUT): Update.
6791 * target.h (struct gcc_target): New members function_end_prologue
6792 and function_begin_epilogue.
6793 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
6794 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
6795 * config/alpha/alpha.c (output_end_prologue): Rename to
6796 alpha_output_function_end_prologue. Use in target struct
6798 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
6799 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
6800 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
6801 ia64_output_function_end_prologue. Use in target struct
6803 (ia64_function_prologue, ia64_funciton_epilogue): Rename
6804 mistyped prototypes.
6805 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
6806 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
6808 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
6809 an use in target struct, make static.
6810 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
6813 2001-07-08 Richard Henderson <rth@redhat.com>
6815 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
6817 2001-07-08 Richard Henderson <rth@redhat.com>
6819 * config/i386/i386.md: Remove constraints strings from define_split
6820 and define_peephole2 patterns.
6821 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
6822 (eh_return): Use them.
6824 2001-07-08 Richard Henderson <rth@redhat.com>
6826 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
6827 Document MD_FALLBACK_FRAME_STATE_FOR.
6829 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6831 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
6832 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
6834 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
6836 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
6838 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
6839 of the label inside NAME as opposed to just the end of NAME.
6841 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
6843 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
6844 * config/alpha/alpha.c (alpha_init_machine_status,
6845 alpha_mark_machine_status, alpha_free_machine_status): Delete.
6846 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
6847 (vms_valid_decl_attribute_p): Make static, conditionally compile.
6848 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
6850 2001-07-06 Stan Shebs <shebs@apple.com>
6852 * target.h (targetm): Rename global from "target", so as not to
6853 conflict with local variables.
6855 * c-typeck.c: Ditto.
6859 * cp/decl2.c: Ditto.
6860 * cp/typeck.c: Ditto.
6861 * 1750a/1750a.c: Ditto.
6862 * a29k/a29k.c: Ditto.
6866 * clipper/clipper.c: Ditto.
6867 * convex/convex.c: Ditto.
6868 * d30v/d30v.c: Ditto.
6869 * dsp16xx/dsp16xx.c: Ditto.
6870 * elxsi/elxsi.c: Ditto.
6871 * fr30/fr30.c: Ditto.
6872 * h8300/h8300.c: Ditto.
6873 * i370/i370.c: Ditto.
6874 * i386/i386.c: Ditto.
6875 * i860/i860.c: Ditto.
6876 * i960/i960.c: Ditto.
6877 * ia64/ia64.c: Ditto.
6878 * m32r/m32r.c: Ditto.
6879 * m68hc11/m68hc11.c: Ditto.
6880 * m68k/m68k.c: Ditto.
6881 * m88k/m88k.c: Ditto.
6882 * mips/mips.c: Ditto.
6883 * ns32k/ns32k.c: Ditto.
6885 * pdp11/pdp11.c: Ditto.
6886 * romp/romp.c: Ditto.
6887 * rs6000/rs6000.c: Ditto.
6889 * sparc/sparc.c: Ditto.
6891 * we32k/we32k.c: Ditto.
6892 * doc/tm.texi: Update the manual to match.
6894 2001-07-06 Richard Henderson <rth@redhat.com>
6896 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
6897 DWARF2_UNWIND_INFO not just whether it is defined.
6899 2001-07-06 Diego Novillo <dnovillo@redhat.com>
6901 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
6902 call to simplify_binary_operation returns a new pattern.
6904 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6906 * glimits.h (__SHRT_MAX__): New.
6907 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
6908 (SHRT_MAX): Define in terms of __SHRT_MAX__.
6910 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
6912 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
6915 2001-07-06 Richard Henderson <rth@redhat.com>
6917 * bitmap.c (bitmap_release_memory): Move adjacent to the
6918 allocation functions.
6919 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
6920 the implementation. Binary search for the set bit.
6921 (bitmap_union_of_diff): Allocate the temporary on the stack
6922 instead of using xmalloc.
6924 2001-07-06 Richard Henderson <rth@redhat.com>
6926 * genrecog.c (validate_pattern): Warn for constraints in
6927 define_{expand,split,peephole2}. Remove strict_low_part
6928 before looking up match_dup.
6930 2001-07-06 DJ Delorie <dj@redhat.com>
6932 * doc/gcc.texi (Makefile): Rename to be a more general purpose
6933 chapter about various build hints and history. Add section
6934 talking about the various types of native and cross builds.
6936 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
6938 * Makefile.in (final.o): Depend on target.h.
6939 * final.c: Include target.h.
6940 (default_function_pro_epilogue): New.
6941 (final_start_function): Use target structure for function prologues.
6942 (final_end_function): Use target structure for function epilogues.
6943 * fold-const.c (real_hex_to_f): Constify s and p.
6944 * output.h (default_function_pro_epilogue): New.
6945 * real.h (real_hex_to_f): Update prototype.
6946 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
6947 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
6948 (TARGET_INITIALIZER): Update.
6949 * target.h (gcc_target): Add struct asm_out.
6950 * doc/tm.texi: Update.
6953 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
6954 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
6955 in cpu/cpu.c, or rename old functions consistently. Take
6956 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
6957 redundant macros and prototypes. Make new functions static.
6959 * 1750a/1750a.c: Similarly.
6960 * 1750a/1750a.h: Similarly.
6961 * a29k/a29k-protos.h: Similarly.
6962 * a29k/a29k.c: Similarly.
6963 * a29k/a29k.h: Similarly.
6964 * arc/arc-protos.h: Similarly.
6965 * arc/arc.c: Similarly.
6966 * arc/arc.h: Similarly.
6967 * arm/arm-protos.h: Similarly.
6968 * arm/arm.c: Similarly.
6969 * arm/arm.h: Similarly.
6970 * avr/avr-protos.h: Similarly.
6971 * avr/avr.c: Similarly.
6972 * avr/avr.h: Similarly.
6973 * clipper/clipper-protos.h: Similarly.
6974 * clipper/clipper.c: Similarly.
6975 * clipper/clipper.h: Similarly.
6976 * convex/convex.c: Similarly.
6977 * convex/convex.h: Similarly.
6978 * d30v/d30v-protos.h: Similarly.
6979 * d30v/d30v.c: Similarly.
6980 * d30v/d30v.h: Similarly.
6981 * d30v/d30v.md: Similarly.
6982 * dsp16xx/dsp16xx-protos.h: Similarly.
6983 * dsp16xx/dsp16xx.c: Similarly.
6984 * dsp16xx/dsp16xx.h: Similarly.
6985 * elxsi/elxsi.c: Similarly.
6986 * elxsi/elxsi.h: Similarly.
6987 * fr30/fr30.c: Similarly.
6988 * fr30/fr30.md: Similarly.
6989 * h8300/h8300-protos.h: Similarly.
6990 * h8300/h8300.c: Similarly.
6991 * h8300/h8300.h: Similarly.
6992 * i370/i370-protos.h: Similarly.
6993 * i370/i370.c: Similarly.
6994 * i370/i370.h: Similarly.
6995 * i386/i386.c: Similarly.
6996 * i386/osf1elf.h: Similarly.
6997 * i386/osfrose.h: Similarly.
6998 * i860/i860-protos.h: Similarly.
6999 * i860/i860.c: Similarly.
7000 * i860/i860.h: Similarly.
7001 * i960/i960-protos.h: Similarly.
7002 * i960/i960.c: Similarly.
7003 * i960/i960.h: Similarly.
7004 * ia64/ia64-protos.h: Similarly.
7005 * ia64/ia64.c: Similarly.
7006 * ia64/ia64.h: Similarly.
7007 * m32r/m32r-protos.h: Similarly.
7008 * m32r/m32r.c: Similarly.
7009 * m32r/m32r.h: Similarly.
7010 * m68hc11/m68hc11-protos.h: Similarly.
7011 * m68hc11/m68hc11.c: Similarly.
7012 * m68hc11/m68hc11.h: Similarly.
7013 * m68k/crds.h: Similarly.
7014 * m68k/dpx2.h: Similarly.
7015 * m68k/m68k-protos.h: Similarly.
7016 * m68k/m68k.c: Similarly.
7017 * m68k/m68k.h: Similarly.
7018 * m68k/news.h: Similarly.
7019 * m88k/m88k-protos.h: Similarly.
7020 * m88k/m88k.c: Similarly.
7021 * m88k/m88k.h: Similarly.
7022 * mips/mips-protos.h: Similarly.
7023 * mips/mips.c: Similarly.
7024 * mips/mips.h: Similarly.
7025 * ns32k/merlin.h: Similarly.
7026 * ns32k/ns32k.c: Similarly.
7027 * ns32k/ns32k.h: Similarly.
7028 * ns32k/tek6000.h: Similarly.
7029 * pa/pa-protos.h: Similarly.
7030 * pa/pa.c: Similarly.
7031 * pa/pa.h: Similarly.
7032 * pdp11/2bsd.h: Similarly.
7033 * pdp11/pdp11-protos.h: Similarly.
7034 * pdp11/pdp11.c: Similarly.
7035 * pdp11/pdp11.h: Similarly.
7036 * romp/romp-protos.h: Similarly.
7037 * romp/romp.c: Similarly.
7038 * romp/romp.h: Similarly.
7039 * rs6000/rs6000-protos.h: Similarly.
7040 * rs6000/rs6000.c: Similarly.
7041 * rs6000/rs6000.h: Similarly.
7042 * rs6000/sysv4.h: Similarly.
7043 * sh/sh-protos.h: Similarly.
7044 * sh/sh.c: Similarly.
7045 * sh/sh.h: Similarly.
7046 * sparc/sparc-protos.h: Similarly.
7047 * sparc/sparc.c: Similarly.
7048 * sparc/sparc.h: Similarly.
7049 * vax/vax.c: Similarly.
7050 * vax/vax.h: Similarly.
7051 * vax/vms.h: Similarly.
7052 * we32k/we32k.c: Similarly.
7053 * we32k/we32k.h: Similarly.
7055 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
7057 * basic-block.h (first_insn_after_basic_block_note): Declare.
7058 * flow.c (first_insn_after_basic_block_note): Define. Moved
7060 * ssa.c (first_insn_after_basic_block_note): Remove.
7061 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
7063 (ssa_eliminate_dead_code): Properly update the CFG and PHI
7064 nodes when we find a dead conditional branch. Insert BARRIERs
7065 after any blocks with no successors, but which do not have
7068 2001-07-06 Zack Weinberg <zackw@stanford.edu>
7070 * varray.c (varray_check_failed): Use internal_error.
7072 2001-07-05 Andrew Haley <aph@redhat.com>
7074 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
7075 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
7076 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
7078 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
7080 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
7081 reference if the target constant is also a SYMBOL_REF.
7083 2001-07-05 Eric Christopher <echristo@redhat.com>
7085 * config/mips/mips.h (MASK_MIPS3900): Remove.
7086 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
7087 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
7088 (TARGET_MIPS3900): Change to use mips_arch.
7089 (TARGET_MIPS4000): New.
7090 (TARGET_MIPS4100): New.
7091 (TARGET_MIPS4300): New.
7092 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
7093 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
7095 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
7096 (ISA_HAS_BRANCHLIKELY): To here.
7097 (CC1_CPU_SPEC): New.
7098 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
7099 (mips_arch_string): Declare.
7100 (mips_arch): Declare.
7101 (TARGET_OPTIONS): Add -march and -mtune.
7103 * config/mips/mips.c (mips_arch_string): New.
7105 (override_options): Handle -march for codegen and -mtune
7106 for scheduling. Use mips_arch. Move tx39 target default here.
7107 (mips_parse_cpu): Move error message to override_options.
7109 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
7111 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
7113 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
7114 (MIPS Options): Ditto. Change mcpu entry to historical text.
7116 2001-07-05 H.J. Lu (hjl@gnu.org)
7118 * config/mips/mips.c (mips_parse_cpu): New function to parse
7121 2001-07-05 Jim Wilson <wilson@redhat.com>
7123 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
7124 * config/ia64/t-ia64: Likewise.
7125 (LIB1ASMFUNCS): Update comment.
7127 2001-07-05 David Edelsohn <edelsohn@gnu.org>
7129 * doc/install.texi (Install GCC: Binaries): Fix typo.
7131 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7133 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
7134 reference using the stack pointer, adjust it since we push Y
7136 ("*ashrsi3"): Likewise.
7137 ("*lshrsi3"): Likewise.
7139 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7141 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
7142 when -fomit-frame-pointer is used.
7144 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
7146 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
7147 (try_redirect_by_replacing_jump): Reverse updating properly the
7148 count and frequency information. Reverse removing cc0 setter.
7149 (forwarder_block_p): Reverse fixing for fallthru blocks.
7151 2001-07-05 DJ Delorie <dj@redhat.com>
7153 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
7154 (translate_options): If the above is defined, use it to map
7155 given options to new options.
7156 * doc/tm.texi: Document it.
7158 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
7159 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7161 * doc/invoke.texi (Optimize Options): Document that -fgcse may
7162 cause programs using computed gotos to run more slowly.
7164 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7166 * doc/install.texi (Specific): Markup, spelling and typo fixes.
7168 Consistently require binutils 2.11.2, not prereleases.
7169 (Specific, decstation-*): Canonicalize as mips-dec-*.
7170 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
7172 (Specific, m68k-altos): Removed reference to README.altos, deleted.
7173 (Specific, mips-*): Reword MIPS C compiler requirements.
7174 (Specific, powerpc*-*-*): New, mention --with-cpu once.
7175 (Specific, sunv5): Removed, obsolete.
7177 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
7179 * dwarf2out.c (output_loc_list): Use an all ones mask for
7180 .text asm output and don't rely on long long
7181 literals. Reformat some long lines.
7183 2001-07-05 Andreas Jaeger <aj@suse.de>
7185 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
7188 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7190 * dwarf2out.c (dwarf2out_define): Update comment.
7191 (dwarf2out_undef): Ditto.
7192 (dwarf2out_start_source_file): Ditto.
7193 (dwarf2out_end_source_file): Ditto.
7194 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
7195 since we never call the start/end debug hook for the primary file.
7197 2001-07-04 Kazu Hirata <kazu@hxi.com>
7199 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
7202 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
7204 * cppinit.c (remove_dup_dirs): Inform if a system include
7205 directory is being reordered.
7206 * doc/invoke.texi (Directory Options): GCC warns if you hide a
7208 * doc/cpp.texi (Search Paths): Likewise.
7209 * doc/gcc.texi (Interoperation): Remove information about
7212 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
7214 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
7215 (VARRAY_TOP_CHAR_PTR): Likewise.
7217 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7219 * gcc.c (process_command): Don't assign elements of a const char*.
7221 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7223 * emit-rtl.c (change_address): Don't abort if invalid address while
7224 reload is in progress.
7226 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7228 * c-lex.c (cb_file_change): Pass line number to
7229 debug_start_source_file.
7230 (cb_undefine): Pass correct line number to debug_undef.
7232 * toplev.c (debug_start_source_file): Add line number to
7233 parameters. Pass it along to dwarf2out_start_source_file.
7234 (decode_g_option): Stop resetting debug level back to normal when
7235 we change debug formats, unless the current level is
7236 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
7239 * toplev.h (debug_start_source_file): Add line number to
7242 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
7245 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
7247 Output debug_macinfo data for starting file if requested.
7248 (dwarf2out_end_source_file): Output debug_macinfo data for ending
7250 (dwarf2out_define): Output debug_macinfo data for defining a macro
7252 (dwarf2out_undef): Output debug_macinfo data for undefining a
7254 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
7255 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
7256 (macinfo_section_label): New. DWARF2 macro info section label.
7257 (dwarf2out_init): If we want macro info, output the start label
7259 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
7260 attribute to the compilation unit die pointing to the macro info.
7262 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7264 * dwarf2out.c (new_loc_list): Move to inside #ifdef
7265 DWARF2_DEBUGGING_INFO.
7266 (add_loc_descr_to_loc_list): Ditto.
7267 (output_loc_list): Ditto.
7268 Also, fix thinko in curr not being initialized.
7269 (gen_internal_sym): Ditto.
7271 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7273 * emit-rtl.c (replace_equiv_address): New function.
7274 * expr.h (replace_equiv_address): New declaration.
7275 * explow.c (validize_mem): Call it instead of change_address and
7276 also call if -fforce-addr and address is constant.
7277 * expr.c: Replace more calls to change_address with adjust_address
7278 and/or replace_equiv_address or to validize_mem.
7279 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
7280 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
7281 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
7282 * config/i370/i370.md, config/i860/i860.md: Likewise.
7283 * config/i960/i960.md, config/mips/mips.c: Likewise.
7284 * config/mips/mips.md, config/pa/pa.md: Likewise.
7285 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
7286 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
7288 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7290 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
7292 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
7295 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
7297 * doc/include: New directory.
7298 * doc/fdl.texi: Move to doc/include/fdl.texi.
7299 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
7300 * doc/include/funding.texi, doc/include/gpl.texi: New files.
7301 * doc/gcc.texi: Use funding.texi and gpl.texi.
7302 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
7303 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
7304 Update dependencies and use -I $(docdir)/include.
7306 2001-07-04 Anthony Green <green@redhat.com>
7308 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
7310 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7312 * doc/install.texi (sparc64-*-*): Remove garbage.
7314 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
7316 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
7317 Fix typo in last change to use adjust_address.
7319 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7321 * doc/install.texi (Specific): Update information for *-*-solaris*.
7323 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7325 * explow.c (plus_constant_wide): Reinitialize Y for restart.
7327 2001-07-03 Stan Shebs <shebs@apple.com>
7329 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
7330 case for flag_no_mach_text_sections.
7331 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
7332 * config/darwin.c (flag_no_mach_text_sections): Remove.
7333 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
7335 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7337 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
7338 and avoid checking for constant as first operand.
7339 * recog.c (find_constant_term_loc): No longer static.
7340 (adj_offettable_operand): Delete.
7341 * rtl.h (adj_offsettable_operand): Delete declaration.
7342 (find_constant_term): Add declaration.
7343 * caller-save.c: Replace calls to adj_offsettable_operand with calls
7345 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
7346 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
7347 * config/i386/i386.c, config/i386/i386.md: Likewise.
7348 * config/i860/i860.c, config/i960/i960.c: Likewise.
7349 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
7350 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
7351 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
7352 * config/mips/mips.c, config/mips/mips.md: Likewise.
7353 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
7354 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
7355 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
7356 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
7357 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
7358 * config/ns32k/ns32k.md: Likewise.
7360 2001-07-03 Zack Weinberg <zackw@stanford.edu>
7362 * rtl.c (copy_rtx): Handle 'T' format letter.
7363 * gensupport.c (collect_insn_data): Likewise.
7364 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
7366 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
7368 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
7369 -B option. Use 'dir' not 'foo' as example directory name.
7371 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7373 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
7374 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
7376 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
7378 * doc/cppinternals.texi: Improve formatting and logical markup.
7380 2001-07-03 Andreas Jaeger <aj@suse.de>
7382 * Makefile.in (insn-recog.o): Add dependency on reload.h.
7384 * genrecog.c (write_header): Include reload.h for prototypes in
7387 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
7390 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
7391 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
7392 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
7393 i386_pe_valid_type_attribute_p): Add.
7394 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
7395 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
7397 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7399 * explow.c (plus_constant_wide, case LO_SUM): New case.
7400 (plus_constant_for_output_wide): Delete.
7401 * rtl.h (plus_constant_for_output): Delete.
7402 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
7403 instead of plus_constant_for_output.
7404 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
7405 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
7406 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
7407 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
7408 * config/sparc/sparc.md: Likewise.
7409 Convert some change_address calls to adjust_address.
7411 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
7413 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
7414 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
7415 documentation of -std and -Wwrite-strings.
7417 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
7419 * cse.c (canon_hash): Don't register registers in very small
7420 register classes, as extending their lifetime might cause
7423 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7425 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7427 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7428 (try_redirect_by_replacing_jump): Update properly the count
7429 and frequency information.
7431 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
7433 * toplev.c (dump_file_index): Move SSA dumps just after first
7435 (dump_file): Corresponding changes.
7436 (rest_of_compilation): Move SSA path to just after the first
7438 * doc/gcc.texi (Passes): Update due to movement of SSA path.
7439 * doc/invoke.texi: Update dump file #s as they were completely
7440 out of date with reality.
7442 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
7444 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
7446 * expr.c (emit_move_insn_1): Deal with non-default
7449 * expr.c (emit_single_push_insn): Fix warning.
7451 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7453 * expr.c (emit_move_insn_1): Avoid modifying
7454 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
7456 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7458 * emit-rtl.c (adjust_address): New function.
7459 * expr.h (adjust_address): Add declaration.
7460 * builtins.c: Replace some calls to change_address with calls to it
7462 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
7463 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
7464 * config/arm/arm.c, config/convex/convex.c: Likewise.
7465 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
7466 * config/i386/i386.c, config/i386/i386.md: Likewise.
7467 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
7468 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
7469 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
7470 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
7471 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
7473 2001-07-02 Jim Wilson <wilson@redhat.com>
7475 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
7477 2001-07-02 Steve Ellcey <sje@cup.hp.com>
7479 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
7480 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
7482 2001-07-02 Zack Weinberg <zackw@stanford.edu>
7484 * cppinit.c (lang_defaults): New table.
7485 (set_lang): Just read from lang_defaults into the live options
7488 2001-07-02 Zack Weinberg <zackw@stanford.edu>
7490 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
7491 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
7492 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
7494 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7496 * doc/install.texi: Various spelling and markup fixes.
7497 (Installing GCC): Component specific installation instructions are
7500 Warn about removing old install dir in the presence of shared libs.
7501 (Configuration): Invoke with options target to match configure
7503 Consistently refer to gas, gld pathnames.
7504 Invert --enable-multilib documentation.
7505 Remove references to old compiler versions.
7507 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7509 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
7511 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7513 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
7515 (Specific, mips*-sgi-irix5): Note IDO download.
7516 Reworded MIPS C hints.
7517 Use GNU as instead of GAS.
7519 Removed SGI Freeware reference, IRIX 6 only.
7520 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
7521 Note N64 library requirement/workaround.
7523 Complete list of structure passing bug victims.
7525 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7527 * doc/install.texi: Remove CVS Id.
7529 2001-07-02 Andreas Jaeger <aj@suse.de>
7531 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
7532 (find_inherently_necessary): Remove unused variable.
7534 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
7536 * c-common.h (TDI_inlined): New ast dump phase.
7537 (dump_flag_name): New function.
7538 * c-dump.c (dump_files): Add inlined phase.
7539 (dump_flag_name): Define.
7540 * doc/invoke.texi (-fdump-ast-inlined): Document.
7542 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7544 * stor-layout.c (layout_decl): Revert change to handling of alignment
7547 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7549 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
7552 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
7554 * doc/tm.texi (FUNCTION_ARG): Document that the last call
7557 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
7559 * tlink.c (recompile_files): Remove COMPILER_PATH and
7560 LIBRARY_PATH from the environment.
7562 2001-07-01 Zack Weinberg <zackw@stanford.edu>
7564 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
7565 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
7567 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
7569 * c-parse.in (OBJC_STRING): Kill.
7570 (objc_string): Decompose to [objc_string] '@' STRING.
7571 (reswords): Take the leading '@' off all the Objective C keywords.
7572 (objc_rid_sans_at): Kill.
7573 (init_reswords): Don't initialize it.
7574 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
7575 (_yylex): Kill reconsider label. Look ahead one token after
7576 an '@'; if we get an identifier, check whether it's an
7577 Objective C @-keyword. If so, return the keyword. Otherwise,
7578 put back the token and return the '@' as a terminal.
7580 * cpplib.c (lex_macro_node): Remove unnecessary check for
7581 leading '@' on identifier. Clarify control flow and commentary.
7583 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7585 * cse.c (new_label_ref): Variable deleted.
7586 (insert): Remove set of new_label_ref.
7587 (check_for_label_ref): New function.
7588 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
7590 See ChangeLog.5 for earlier changes.