1 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
3 * doc/cppinternals.texi: Update.
5 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
7 * cpphash.h (struct cpp_pool): Remove locks and locked.
8 (struct cpp_context): Add member buff.
9 (struct cpp_reader): Remove member argument_pool.
10 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
11 * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
12 * cpplex.c (chunk_suitable): Remove pool argument.
13 (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
14 (new_buff, _cpp_extend_buff): Update.
15 (_cpp_get_buff): Fix silly pointer bug. Be more selective about
16 which buffer is returned.
17 (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
18 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
19 * cppmacro.c (lock_pools, unlock_pools): Remove.
20 (push_ptoken_context): Take a _cpp_buff.
21 (enter_macro_context): Pool locking removed.
22 (replace_args): Use a _cpp_buff for the replacement list with
24 (push_token_context): Clear buff.
25 (expand_arg): Use _cpp_pop_context.
26 (_cpp_pop_context): Free a context's buffer, if any.
28 2001-09-26 DJ Delorie <dj@redhat.com>
30 * c-typeck.c (digest_init): Check for sizeless arrays.
32 2001-09-26 Richard Henderson <rth@redhat.com>
34 * optabs.c (init_one_libfunc): Create a dummy function type
35 instead of using error_mark_node.
37 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
39 * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
40 _cpp_extend_buff, _cpp_free_buff): New.
41 (struct cpp_reader): New member free_buffs.
42 * cppinit.c (cpp_destroy): Free buffers.
43 * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
44 _cpp_extend_buff, _cpp_free_buff): New.
45 * cpplib.h (struct cpp_options): Remove unused member.
46 * cppmacro.c (collect_args): New. Combines the old parse_arg
47 and parse_args. Use _cpp_buff for memory allocation.
48 (funlike_invocation_p, replace_args): Update.
50 Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
52 * final.c (final_scan_insn): Use delete_insn instead of delete_note.
54 2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
56 * except.c (sjlj_mark_call_sites): Change address inside sequence.
58 2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
60 * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
63 2001-09-25 Janis Johnson <janis187@us.ibm.com>
64 Jim Wilson <wilson@redhat.com>
66 * doc/install.texi (Specific, ia64-*-linux): Document.
68 Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
70 * Makefile.in (cfgrtl.o): Add.
71 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
72 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
73 free_aux_for_edge): Declare.
75 (HAVE_return): Undefine.
76 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
77 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
78 free_aux_for_edge): New global functions.
79 (first_delete_block): New static variable.
80 (init_flow): Clear first_delete_block.
81 (basic_block_for_insn, label_value_list, tail_recursion_label_list,
82 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
83 try_redirect_by_replacing_jump, last_loop_beg_note,
84 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
85 delete_insn, delete_insn_chain, create_basic_block_structure,
86 create_basic_block, flow_delete_block, compute_bb_for_insn,
87 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
88 set_block_for_new_insns, split_block, merge_blocks_nomove,
89 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
90 redirect_edge_and_branch, force_nonfallthru_and_redirect,
91 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
92 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
93 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
94 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
95 purge_all_dead_edges): Move to ....
96 * cfgrtl.c: New file; .... Here.
98 * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
99 (reroder_basic_block): Use alloc_aux_for_blocks.
100 * predict.c (estimate_bb_frequencies): Likewise; use
102 * profile.c (compute_branch_probabilities): Likewise.
103 (branch_prob): Likewise.
104 * reg-stack.c (reg_to_stack): Likewise.
106 * emit-rtl.c (emit_insns_after): Never return NULL.
108 * basic-block.h (set_block_for_new_insns): Delete.
109 * cfgrtl.c (set_block_for_new_insns): Delete.
111 * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
112 calls when crossjumping.
114 * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
115 * unroll.c (copy_loop_body): Use delete_insn.
117 * final.c (final, final_scan_insn): Use delete_insn/delete_note.
118 * function.c (fixup_var_refs_insn, fixup_var_refs_1,
119 keep_stack_depressed): Likewise.
120 * gcse.c (cprop_cc0_jump): Likewise.
121 * local-alloc.c (update_equiv_regs): Likewise.
122 * loop.c (scan_loop, loop_delete_insns): Likewise.
123 * regmove.c (try_auto_increment, fixup_match_1): Likewise.
124 * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
125 delete_output_reload, delete_address_reloads_1,
126 reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
128 * sibcall.c (replace_call_placeholder): Likewise.
129 * cse.c (cse_insn): Likewise.
131 2001-09-25 Bernd Schmidt <bernds@redhat.com>
133 From Graham Stott <grahams@redhat.com>
134 (def_builtin): Only define builtins appropriate for target_flags. All
136 (builtin_decsription): Add new field mask which is used to determine
137 when to define the builtin via the macro def_builtin.
139 (bdesc_comi): Initialise new mask fields.
140 (bdesc_2srg): Likewise.
141 (bdesc_1arg): Likewise.
143 * config/i386/i386.c (ix86_init_builtins): Correct return type
144 building v4hi_ftype_v4hi_int_int tree node.
145 (ix86_expand_sse_comi): Fix typo swapping operands.
146 Don't swap comparision condition, it is already swapped.
147 (ix86_expand_sse_compare): Before swapping operands
148 move operand 1 into new rtx and not the target rtx.
149 Don't swap comparison condition, it is already swapped.
150 Always check whether we need to create a new TARGET.
152 * config/i386/i386.md: (sse_comi) Fix typos.
153 (sse_ucomi): Likewise.
154 (cvtss2si): Fix operand 0 contraint.
155 (cvttss2si): Likewise.
156 (sse_unpckhps): Fix mode for operand 2.
157 (sse_unpcklps): Likewise.
159 2001-09-25 Graham Stott <grahams@redhat.com>
161 * sibcall.c (skip_copy_to_return_value): Tighten return value
164 2001-09-24 David Edelsohn <edelsohn@gnu.org>
166 * rs6000.c (lwa_operand): Address must be word aligned.
168 Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
170 * tree.c (type_hash_marked_p): Consider as marked if debug symbol
172 (type_hash_mark): Mark type itself.
174 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
176 * c-lex.c (cb_def_pragma): Update.
177 (c_lex): Update, and skip padding.
178 * cppexp.c (lex, parse_defined): Update, remove unused variable.
179 * cpphash.h (struct toklist): Delete.
181 (struct cpp_context): Update.
182 (struct cpp_reader): New members eof, avoid_paste.
183 (_cpp_temp_token): New.
184 * cppinit.c (cpp_create_reader): Update.
185 * cpplex.c (_cpp_temp_token): New.
186 (_cpp_lex_direct): Add PREV_WHITE when parsing args.
187 (cpp_output_token): Don't print leading whitespace.
188 (cpp_output_line): Update.
189 * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
190 do_include_common, do_line, do_ident, do_pragma,
191 do_pragma_dependency, _cpp_do__Pragma, parse_answer,
192 parse_assertion): Update.
193 (get_token_no_padding): New.
194 * cpplib.h (CPP_PADDING): New.
195 (AVOID_LPASTE): Delete.
196 (struct cpp_token): New union member source.
197 (cpp_get_token): Update.
198 * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
199 (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
200 replace_args, quote_string, stringify_arg, parse_arg, next_context,
201 enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
202 _cpp_backup_tokens, _cpp_create_definition): Update.
203 (push_arg_context): Delete.
204 (padding_token, push_token_context, push_ptoken_context): New.
205 (make_string_token, make_number_token): Update, rename.
206 (cpp_get_token): Update to handle tokens as pointers to const,
207 and insert padding appropriately.
208 * cppmain.c (struct printer): New member prev.
209 (check_multiline_token): Constify.
210 (do_preprocessing, cb_line_change): Update.
211 (scan_translation_unit): Update to handle spacing.
212 * scan-decls.c (get_a_token): New.
213 (skip_to_closing_brace, scan_decls): Update.
214 * fix-header.c (read_scan_file): Update.
216 * doc/cpp.texi: Update.
218 2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
220 * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
221 leak by passing malloc'ed pointer to reconcat, not concat.
223 2001-09-24 DJ Delorie <dj@redhat.com>
225 * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
227 2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
229 * flow.c (delete_dead_jumptables): Delete jumptable if the only
230 reference is from the literal pool.
232 2001-09-24 Janis Johnson <janis187@us.ibm.com>
234 * doc/install.texi (Final install): Request additional information
235 in mail about successful builds.
237 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
239 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
240 initial value of return pointer register instead of value in frame-20.
243 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
245 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
246 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
247 the libcall if there isn't a referenced identifier for the symbol.
249 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
251 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
252 non 64-bit machines. Use these as a plabel for the trampoline.
253 (TRAMPOLINE_SIZE): Adjust size for new words.
254 (INITIALIZE_TRAMPOLINE): Initialize new words.
255 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
256 pointer to the plabel in the trampoline.
258 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
260 * pa.c (function_arg): Pass floating arguments in both general and
261 floating registers in indirect (dynamic) calls when generating code
262 for the 32 bit ABI and the HP assembler.
264 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
266 * doc/install.texi: Markup fixes.
267 Use Solaris 2, SunOS 4 as appropriate.
268 (Specific, *-*-solaris2*): Explain this.
269 Unconditionally warn against /usr/ucb tools.
270 Remove Sun as warning, obsolete.
271 Move X11 header bug workaround here, update patches.
272 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
273 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
275 2001-09-23 Zack Weinberg <zack@codesourcery.com>
277 * errors.h (warning, error, fatal, internal_error): Don't mark
278 with ATTRIBUTE_PRINTF_n.
279 * toplev.h (internal_error, fatal_io_error, warning, error,
280 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
281 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
284 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
286 * function.c (pop_function_context_from): var_refs_queue
287 and temp slots now in GC memory.
288 (mark_function_status, free_after_compilation): Likewise;
289 also struct function now in GC memory.
290 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
291 (combine_temp_slots): Likewise.
292 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
293 (prepare_function_start): Use GC memory for struct function.
294 (mark_temp_slot): Deleted.
295 (gcc_mark_struct_function): struct function now in GC memory.
297 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
298 code for division, not modulus.
300 * rtl.def (MEM): Remove obsolete part of comment.
302 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
304 * c-format.c (init_function_format_info): Check __builtin_printf
305 and __builtin_fprintf even if -ffreestanding. Check C99 functions
308 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
310 * c-common.c (format_attribute_table): Remove decl.
311 * tree.h (format_attribute_table, lang_attribute_table): New decls.
312 (lang_attribute_common): Likewise.
314 * function.c (fix_lexical_address): Use set_mem_alias_set.
315 (expand_function_start): Likewise.
316 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
318 * varasm.c (output_constant): Fix unused variable warning.
320 * attribs.c: New file, from c-common.c.
321 (attribute_tables): Now four elements.
322 (format_attribute_table, lang_attribute_common): New variables.
323 (init_attributes): Reflect above changes.
324 (handle_mode_attribute): Delete check for wider than uintmax.
325 * c-common.c: Delete parts moved to attribs.c.
326 (enum attrs): Deleted; unused.
327 (c_format_attribute_table): New variable.
328 (c_common_lang_init): Initialize format_attribute_table with it.
329 * c-common.h (decl_attributes): Remove decl.
330 * tree.h (decl_attribute): Move it to here.
331 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
332 (attribs.o): New rule.
334 2001-09-22 Andreas Jaeger <aj@suse.de>
336 * builtins.c (c_getstr): Remove unused variable.
338 2001-09-21 Richard Henderson <rth@redhat.com>
340 * reload1.c (reload): Use delete_insn instead of splatting
343 2001-09-21 Richard Henderson <rth@redhat.com>
345 * reload.c (push_secondary_reload): Don't check for "=" in output
346 constraint after ""->ALL_REGS check.
348 2001-09-21 Richard Henderson <rth@redhat.com>
350 * predict.c (expected_value_to_br_prob): Use pc_set.
352 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
353 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
355 2001-09-21 Richard Henderson <rth@redhat.com>
357 * rtl.h (LCT_RETURNS_TWICE): New.
358 * calls.c (emit_call_1): Set current_function_calls_setjmp for
360 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
361 to ECF_RETURNS_TWICE.
362 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
365 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
367 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
370 2001-09-21 Richard Henderson <rth@redhat.com>
372 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
375 2001-09-21 Richard Henderson <rth@redhat.com>
377 * tree.def (FDESC_EXPR): New.
378 * expr.c (expand_expr): Handle it.
379 * varasm.c (initializer_constant_valid_p): Likewise.
380 (output_constant): Likewise.
381 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
382 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
383 (ASM_OUTPUT_FDESC): New.
384 * doc/tm.texi: Document the new macros.
386 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
388 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
389 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
390 once merging is complete.
392 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
394 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
396 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
398 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
399 that would be invalid after a merge.
401 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
403 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
404 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
406 (flow_delete_insn): This one.
407 (delete_insn_chain): Rename from ...; do not care labels.
408 (flow_delete_insn_chain): ... this one.
409 (flow_delete_block): Remove the insns one BB has been expunged.
410 (merge_blocks_nomove): Likewise.
411 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
412 updating BB boundaries.
413 (tidy_fallthru_edge): Likewise.
414 (commit_one_edge_insertion): Likewise.
415 * cfgbuild.c (find_basic_block): Likewise.
416 (find_basic_blocks_1): Likewise.
417 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
418 (try_crossjump_to_edge): Likewise.
419 (try_optimize_cfg): Likewise.
420 * cse.c (delete_trivially_dead_insns): Likewise.
421 * df.c (df_insn_delete): Likewise.
422 * doloop.c (doloop_modify): Use delete_related_insns.
423 * emit-rtl.c (try_split): Likewise.
424 (remove_insn): Update BB boundaries.
425 * expect.c (connect_post_landing_pads): Use delete_related_insns.
426 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
427 updating BB boundaries.
428 (propagate_block_delete_insn): Likewise.
429 (propagate_block_delete_libcall): Likewise.
430 * function.c (delete_handlers): Use delete_related_insns.
431 (thread_prologue_and_epilogue_insns): Likewise.
432 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
433 * genpeep.c (gen_peephole): Use delete_related_insns.
434 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
436 (find_cond_trap): Likewise.
437 * integrate.c (save_for_inline): Use delete_related_insns.
438 (copy_insn_list): Likewise.
439 * jump.c (pruge_linie_number_notes): Likewise.
440 (duplicate_loop_exit_test): Likewise.
441 (delete_computation): Likewise.
442 (delete_related_insn): Rename from ...; use delete_insn
443 (delete_insn): ... this one.
444 (redirect_jump): Use delete_related_insns.
445 * loop.c (scan_loop): Likewise.
446 (move_movables): Likewise.
447 (find_and_verify_loops): Likewise.
448 (check_dbra_loop): Likewise.
449 * recog.c (peephole2_optimize): Likewise.
450 * reg-stack.c (delete_insn_for_stacker): Remove.
451 (move_for_stack_reg): Use delete_insn.
452 * regmove.c (combine_stack_adjustments_for_block): Likewise.
453 * reload1.c (delete_address_reloads): Use delete_related_insns.
454 (fixup_abnormal_edges): Use delete_insn.
455 * recog.c (emit_delay_sequence): Use delete_related_insns.
456 (delete_from-delay_slot): Likewise.
457 (delete_scheduled_jump): likewise.
458 (optimize_skip): Likewise.
459 (try_merge_delay_insns): Likewise.
460 (full_simple_delay_slots): Likewise.
461 (fill_slots_from_thread): Likewise.
462 (relax_delay_slots): Likewise.
463 (make_return_insns): Likewise.
464 (dbr_schedule): Likewise.
465 * rtl.h (delete_insn): Rename to delete_related_insns.
466 (delete_insn, delete_insn_chain): New prototypes.
467 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
468 by df_insn_delete already.
469 * ssa-dce.c (delete_insn_bb): Use delete_insn.
470 * ssa.c (convert_from_ssa): Use delete_related_insns.
471 * unroll.c (unroll_loop): Likewise.
472 (calculate_giv_inc): Likewise.
473 (copy_loop_body): Likewise.
475 * i386-protos.h (ix86_libcall_value, ix86_function_value,
476 ix86_function_arg_regno_p, ix86_function_arg_boundary,
477 ix86_return_in_memory, ix86_function_value): Declare.
478 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
479 new static valurables.
480 (x86_64_reg_class): New enum
481 (x86_64_reg_class_name): New array.
482 (classify_argument, examine_argument, construct_container,
483 merge_classes): New static functions.
484 (optimization_options): Enable flag_omit_frame_pointer and disable
485 flag_pcc_struct_return on 64bit.
486 (ix86_libcall_value, ix86_function_value,
487 ix86_function_arg_regno_p, ix86_function_arg_boundary,
488 ix86_return_in_memory, ix86_function_value): New global functions.
489 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
490 (function_arg_advance): Handle x86_64 passing conventions.
491 (function_arg): Likewise.
492 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
493 (RETURN_IN_MEMORY): Move offline.
494 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
495 (FUNCTION_VALUE_REGNO_P): New macro.
496 (FUNCTION_ARG_REGNO_P): Move offline.
497 (struct ix86_args): Add maybe_vaarg.
498 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
499 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
501 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
503 * s390.md: Changed attributes for scheduling.
504 * s390.c: (s390_adjust_cost, s390_adjust_priority)
507 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
509 Table-driven attributes.
510 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
511 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
512 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
513 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
514 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
515 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
516 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
517 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
518 * tree.h (struct tree_decl): Change machine_attributes to
520 * doc/c-tree.texi: Document that all attributes are now attached
522 * c-common.c (add_attribute, attrtab, attrtab_idx,
523 default_valid_lang_attribute, valid_lang_attribute): Remove.
524 (attribute_tables, attributes_initialized,
525 c_common_attribute_table, default_lang_attribute_table): New
527 (handle_packed_attribute, handle_nocommon_attribute,
528 handle_common_attribute, handle_noreturn_attribute,
529 handle_unused_attribute, handle_const_attribute,
530 handle_transparent_union_attribute, handle_constructor_attribute,
531 handle_destructor_attribute, handle_mode_attribute,
532 handle_section_attribute, handle_aligned_attribute,
533 handle_weak_attribute, handle_alias_attribute,
534 handle_no_instrument_function_attribute,
535 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
536 handle_no_limit_stack_attribute, handle_pure_attribute): New
538 (init_attributes, decl_attributes): Rewrite to implement
539 table-driven attributes.
540 * c-common.h (enum attribute_flags): Move to tree.h.
541 * c-format.c (decl_handle_format_attribute,
542 decl_handle_format_arg_attribute): Rename to
543 handle_format_attribute and handle_format_arg_attribute. Update
544 for table-driven attributes.
545 * c-common.h (decl_handle_format_attribute,
546 decl_handle_format_arg_attribute): Remove prototypes.
547 (handle_format_attribute, handle_format_arg_attribute): Add
549 * c-decl.c (grokdeclarator): Handle attributes nested inside
551 * c-parse.in (setattrs, maybe_setattrs): Remove.
552 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
553 Update to handle nested attributes properly.
554 (maybe_resetattrs, after_type_declarator,
555 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
556 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
558 (make_pointer_declarator): Update to handle nested attributes
560 * doc/extend.texi: Update documentation of limits of attributes
561 syntax. Warn about problems with attribute semantics in C++.
562 * target.h (struct target): Remove valid_decl_attribute and
563 valid_type_attribute. Add attribute_table and
564 function_attribute_inlinable_p.
565 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
566 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
567 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
569 (TARGET_INITIALIZER): Update.
570 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
572 (function_attribute_inlinable_p): New function. Check for the
573 presence of any machine attributes before using
574 targetm.function_attribute_inlinable_p.
575 (function_cannot_inline_p): Update.
576 * Makefile.in (integrate.o): Update dependencies.
577 * doc/tm.texi: Update documentation of target attributes and
578 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
579 * tree.c (default_valid_attribute_p, valid_machine_attribute):
581 (default_target_attribute_table,
582 default_function_attribute_inlinable_p): New.
583 (lookup_attribute): Update comment to clarify handling of multiple
584 attributes with the same name.
585 (merge_attributes, attribute_list_contained): Allow multiple
586 attributes with the same name but different arguments to appear in
587 the same attribute list.
588 * tree.h (default_valid_attribute_p): Remove prototype.
589 (struct attribute_spec): New.
590 (default_target_attribute_table): Declare.
591 (enum attribute_flags): Move from c-common.h. Add
592 ATTR_FLAG_TYPE_IN_PLACE.
593 (default_function_attribute_inlinable_p): Declare.
594 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
595 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
596 (TARGET_ATTRIBUTE_TABLE): Define.
597 (vms_attribute_table): New.
598 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
599 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
600 (TARGET_ATTRIBUTE_TABLE): Define.
601 (arc_attribute_table, arc_handle_interrupt_attribute): New.
602 * config/arm/arm.c (arm_valid_type_attribute_p,
603 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
605 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
607 (TARGET_ATTRIBUTE_TABLE): Define.
608 (arm_attribute_table, arm_handle_fndecl_attribute,
609 arm_handle_isr_attribute): New.
610 * config/avr/avr.c (avr_valid_type_attribute,
611 avr_valid_decl_attribute): Remove.
612 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
614 (TARGET_ATTRIBUTE_TABLE): Define.
615 (avr_attribute_table, avr_handle_progmem_attribute,
616 avr_handle_fndecl_attribute): New.
617 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
618 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
619 (TARGET_ATTRIBUTE_TABLE): Define.
620 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
621 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
622 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
623 (TARGET_ATTRIBUTE_TABLE): Define.
624 (h8300_attribute_table, h8300_handle_fndecl_attribute,
625 h8300_handle_eightbit_data_attribute,
626 h8300_handle_tiny_data_attribute): New.
627 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
628 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
630 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
632 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
633 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
635 (TARGET_ATTRIBUTE_TABLE): Define.
636 (ix86_attribute_table, ix86_handle_cdecl_attribute,
637 ix86_handle_regparm_attribute): New.
638 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
639 i386_pe_valid_type_attribute_p): Remove.
640 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
641 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
642 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
643 (TARGET_ATTRIBUTE_TABLE): Define.
644 (ia64_attribute_table): New.
645 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
646 interrupt_ident2, model_ident1, model_ident2): Remove.
647 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
648 (TARGET_ATTRIBUTE_TABLE): Define.
649 (init_idents): Update.
650 (m32r_attribute_table, m32r_handle_model_attribute): New.
651 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
653 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
654 (TARGET_ATTRIBUTE_TABLE): Define.
655 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
656 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
657 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
658 (TARGET_ATTRIBUTE_TABLE): Define.
659 (mcore_attribute_table, mcore_handle_naked_attribute): New.
660 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
661 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
662 (TARGET_ATTRIBUTE_TABLE): Define.
663 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
664 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
665 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
666 (TARGET_ATTRIBUTE_TABLE): Define.
667 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
668 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
669 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
670 (TARGET_ATTRIBUTE_TABLE): Define.
671 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
672 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
674 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
676 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
677 (TARGET_ATTRIBUTE_TABLE): Define.
678 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
680 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
681 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
682 (TARGET_ATTRIBUTE_TABLE): Define.
683 (v850_attribute_table, v850_handle_interrupt_attribute,
684 v850_handle_data_area_attribute): New.
685 * config/v850/v850-c.c (mark_current_function_as_interrupt):
686 Return void. Call decl_attributes instead of
687 valid_machine_attribute.
689 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
691 * sh-protos.h (sh_pr_n_sets): Declare.
692 * sh.c (calc_live_regs): If the initial value for PR has been copied,
693 look at the copy to determine if PR needs to be saved.
694 sh_pr_n_sets: New function.
695 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
696 (ALLOCATE_INITIAL_VALUE): Define.
698 * sh.c (initial_elimination_offset):
699 Fix RETURN_ADDRESS_POINTER_REGNUM case.
701 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
703 * integrate.c (allocate_initial_values): New function.
704 * integrate.h (allocate_initial_values): Declare.
705 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
707 * reload1.c (reload): And initialization of reg_equiv_memory_loc
709 * toplev.c (rest_of_compilation): To here.
710 Call allocate_initial_values.
711 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
713 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
715 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
717 2001-09-20 DJ Delorie <dj@redhat.com>
719 * c-typeck.c (really_start_incremental_init): Discriminate
720 between zero-length arrays and flexible arrays.
721 (push_init_level): Detect zero-length arrays and handle them
722 like fixed-sized arrays.
723 * expr.c (store_constructor): Handle zero-length arrays and
724 flexible arrays correctly.
725 * doc/extend.texi: Update zero-length array notes.
727 2001-09-20 Jim Wilson <wilson@redhat.com>
729 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
730 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
731 for issue port conflicts.
732 (cycle_end_fill_slots): TYPE_L instructions take two slots.
734 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
736 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
739 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
741 * fold-const.c (hashtab.h): Include.
742 (int_const_binop): Remove FORSIZE arg and compute from type; all
744 Call size_int_type_wide for all single-word constants.
745 (size_htab_hash, size_htab_eq): New functions.
746 (size_int_type_wide): Rework to use hash table.
747 * ggc-common.c (hashtab.h): Include.
748 (struct d_htab_root): New struct.
749 (d_htab_roots): New variable.
750 (ggc_add_deletable_htab, ggc_htab_delete): New functions
751 (ggc_mark_roots): Handle deletable htabs.
752 * ggc-page.c (ggc_marked_p): New function.
753 * ggc-simple.c (ggc_marked_p): Likewise.
754 * ggc.h: Reformatting throughout.
755 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
756 * tree.c (init_obstacks): Make type_hash_table a deletable root.
757 (type_hash_add): Allocate struct type_hash from GC memory.
758 (mark_hash_entry, mark_type_hash): Deleted.
759 (type_hash_marked_p, type_hash_mark): New functions.
760 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
762 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
764 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
767 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
769 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
770 array-too-large test for signed sizetype.
772 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
774 * i386.md (indirect_jump): Allow Pmode operand.
775 (tablejump): LIkewise; perform expansion to 64bit mode.
776 * i386.c (symbolic_operand): Allow 64bit PIC references.
777 (pic_symbolic_operand): Likewise.
778 (ix86_find_base_term): Strip the 64bit PIC references.
779 (legitimate_pic_address_disp_p): Handle 64bit PIC.
780 (legitimize_pic_address): Likewise.
781 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
782 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
784 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
786 * stringpool.c (get_identifier_with_length): New function.
787 * tree.h (get_identifier_with_length): New prototype.
789 2001-09-19 Alan Modra <amodra@bigpond.net.au>
790 David Edelsohn <edelsohn@gnu.org>
793 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
794 already sign-extended.
796 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
797 * config/rs6000/rs6000.c (logical_operand): Always compare op as
799 (rs6000_emit_set_long_const): Avoid unnecessary shift.
800 (output_profile_hook): Declare label_name const.
801 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
802 to match constraints.
804 2001-09-19 Stan Shebs <shebs@apple.com>
806 * alias.c: Fix typos in comments.
807 * sched-rgn.c (init_ready_list): Ditto.
808 * unwind-dw2.c (uw_frame_state_for): Ditto.
809 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
810 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
811 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
813 2001-09-19 Richard Henderson <rth@redhat.com>
815 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
817 * Makefile.in (cfg.o): Depend on TM_P_H.
819 2001-09-19 Richard Henderson <rth@redhat.com>
821 * config/alpha/alpha.c (local_symbol_p): Split out from ...
822 (local_symbolic_operand): ... here.
823 (small_symbolic_operand): Check mode.
824 (global_symbolic_operand): New.
825 (input_operand): Reject symbolics if explicit relocs.
826 (call_operand): Tidy.
827 (alpha_legitimize_address): Use movdi_er_high_g.
828 (alpha_expand_mov): Likewise.
829 * config/alpha/alpha-protos.h: Update.
830 * config/alpha/alpha.h (PREDICATE_CODES): Update.
831 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
832 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
833 (UNSPECV_LDGP2): Remove.
834 (all call patterns): Use 's' not 'i' for symbolic constraint.
835 (call_osf call_value_osf): Use call_operand.
836 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
837 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
838 (prologue_ldgp_1_er): Remove.
839 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
840 (builtin_setjmp_receiver_er patterns): Use them.
841 (exception_receiver_er): Likewise.
843 2001-09-19 Richard Henderson <rth@redhat.com>
845 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
847 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
848 and NON_LOCAL_GOTO notes.
849 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
850 copy over CALL_INSN_FUNCTION_USAGE.
852 2001-09-18 Catherine Moore <clm@redhat.com>
854 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
857 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
859 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
860 new-style tm_file specification. Specify correct tm_p_file,
861 md_file, and out_file for s390x.
863 * config/s390/linux.h, linux64.h: Don't include other target
864 macro header files. Now handled via tm_file.
866 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
867 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
868 are defined before use.
870 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
872 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
873 code generation only for Gnu assembler.
875 2001-09-18 Catherine Moore <clm@redhat.com>
877 * config/stormy16 (LIB_SPEC): Remove -lnosys.
879 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
881 * config/mips/mips.c (mips_frame_set): New.
882 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
883 a parallel frame-related expression with a set for each register.
885 2001-09-18 Philip Blundell <philb@gnu.org>
887 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
890 2001-09-17 Dale Johannesen <dalej@apple.com>
892 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
893 * config/rs6000/aix.h (FIXED_R2): Define.
894 * config/rs6000/darwin.h (FIXED_R2): Define.
895 * config/rs6000/sysv4.h (FIXED_R2): Define.
897 2001-09-17 Jeff Sturm <jsturm@one-point.com>
899 * except.c (dw2_build_landing_pads): New local
900 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
901 barrier after clobbers. Fixes c++/4012.
903 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
905 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
907 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
909 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
910 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
912 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
914 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
917 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
919 * cpphash.h (_cpp_lex_direct): New.
920 * cpplex.c (_cpp_lex_token): Update.
921 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
922 and increment that pointer.
923 * cppmacro.c (alloc_expansion_token): New.
924 (lex_expansion_token): Lex macro expansion directly into
927 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
929 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
931 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
933 * basic-block.h (free_bb_for_insn): Declare.
934 * bb-reorder.c (label_for_bb): Use block_label.
935 (emit_jump_to_block_after): Remove.
936 (insert_intra_1): Do not update block_for_insn.
937 (insert_inter_bb_scope_notes): Likewise; update bb->end
938 * cfg.c (free_bb_for_insn): New.
939 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
940 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
941 (commit_one_edge_insertion): Likewise.
942 (commit_one_edge_insertion): Do not update BB boundary.
943 (commit_edge_insertions): Do not call compute_bb_for_insn.
944 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
945 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
946 (merge_blocks_move_successor_nojumps): Likewise.
947 (try_crossjump_to_edge): Do not update block_for_insn.
948 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
949 * df.c (df_pattern_emit_later): Do not update BB boundary.
950 (df_jump_pattern_emit_after): Likewise.
951 (df_insn_move_before): Use emit_insn_before.
952 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
954 (add_insn_after, add_insn_before, emit_insns_after): Update BB
955 boundaries and basic_block_for_insn.
956 (reorder_insns_nobb): Rename from reorder_insns.
957 (reorder_insns): New.
958 (emit_block_insn_before, emit_block_insn_after): Kill.
959 * flow.c (check_function_return_warnings): Do not call
960 compute_bb_for_insn; Do not free basic_block_for_insn.
961 (attempt_auto_inc): Do not update basic_block_for_insn.
962 * function.c (emit_return_into_block): Likewise;
963 do not update BB boundaries.
964 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
965 (insert_insn_end_bb): Use emit_insn_before; Likewise.
966 (pre_insert_copy_insn): Likewise.
967 (update_ld_motion_notes): Likewise.
968 (insert_insn_start_bb): Likewise.
969 (replace_store_insn): Likewise.
970 * ifcvt.c (noce_process_if_block): Likewise.
971 (if_convert): Do not call compute_bb_for_insn.
972 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
973 Use emit_insn_before and emit_insn_after.
974 * recog.c (split_all_insns): Do not update BB boundaries;
975 Do not call compute_bb_for_insn.
976 (peephole2_optimize): Do not update BB boundaries.
977 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
979 (emit_swap_insn): Likewise.
980 (convert_regs_1): Likewise.
981 * reload1.c (reload): Call compute_bb_for_insn.
982 * rtl.h (reorder_insns_nobb): Declare.
983 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
984 * toplev.c (rest_of_compilation): Call free_bb_for_insn
985 at places CFG is invalidated; do not call compute_bb_for_insn.
987 * cfg.c (expunge_block): Invalidate BB structure.
989 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
992 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
994 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
996 * cpphash.h (_cpp_lex_token): Update prototype.
997 * cpplex.c (_cpp_lex_token): New prototype.
998 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
999 lex_macro_node, read_flag, do_pragma_poison): Update.
1000 * cppmacro.c (cpp_get_token, parse_params,
1001 lex_expansion_token): Update.
1003 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1005 * cppmain.c (scan_translation_unit): Don't worry about
1006 putting a space after hashes.
1007 * cpplib.c (directive_diagnostics): New.
1008 (_cpp_handle_directive): Update to use directive_diagnostics.
1009 (run_directive): Don't toggle prevent_expansion.
1010 (do_line): Backup in case of the line extension.
1011 * cpplib.h (cpp_lexer_pos): Remove.
1012 * cppmacro.c (_cpp_create_definition): Precede a leading #
1015 2001-09-15 Richard Henderson <rth@redhat.com>
1017 * c-typeck.c (comptypes): Handle zero-length arrays properly.
1019 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1021 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
1023 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1025 PR preprocessor/3571
1026 * tradcpp.c (handle_directive): Skip non-vertical space.
1028 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1030 * cppmain.c (setup_callbacks): Set line callback only
1031 if outputting preprocessed source.
1033 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1035 * collect2.c (main): Const-ification.
1036 * gcc.c (translate_options, process_command): Use xstrdup in
1037 lieu of xmalloc/strcpy.
1038 (main): Use concat in lieu of xmalloc/strcpy/strcat.
1040 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1042 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
1045 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1047 * scan-decls.c (scan_decls): Fix typo.
1049 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1051 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
1052 Split mlstring_pos into mls_line and mls_col.
1053 * cppinit.c (cpp_create_reader): Initialize line to 1.
1054 (cpp_destroy): Free tokenruns.
1055 (push_include): Don't update lexer_pos.
1056 * cpplex.c (unterminated, parse_string): Update.
1057 (lex_token): Don't update lexer_pos, update.
1058 * cpplib.c (if_stack): Save line instead of line + col.
1059 (start_directive, _cpp_do__Pragma, do_else, do_elif,
1060 push_conditional, _cpp_pop_buffer): Update.
1061 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
1062 (_cpp_create_definition): Update.
1064 2001-09-15 Eric Christopher <echristo@redhat.com>
1066 * config/mips/abi64.h: Add support for MEABI.
1068 2001-09-15 Eric Christopher <echristo@redhat.com>
1070 * config/mips/mips.md: Add unspec #2.
1072 (reload_outdi): Ditto.
1073 (reload_outsi): Ditto.
1076 2001-09-15 Eric Christopher <echristo@redhat.com>
1077 Jason Eckhardt <jle@redhat.com>
1079 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
1080 * config/mips/isa32-linux.h: New file.
1081 * config/mips/isa3264.h: Ditto.
1082 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
1083 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
1084 (output_block_mode): Support MEABI.
1085 (function_arg): Ditto. Fix floating point arg passing.
1086 (mips_va_start): Ditto.
1087 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
1089 (mips_asm_file_start): Add new section to pass abi to gdb.
1090 (function_arg_pass_by_reference): Support MEABI.
1091 (mips_parse_cpu): Support mips32 and mips64 processors.
1092 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
1093 TARGET_MIPS5KC. Support isa32 and isa64.
1094 (processor_type): Add r4kc, r5kc, r20kc.
1095 (GENERATE_MULT3_SI): New.
1096 (GENERATE_MULT3_DI): Ditto.
1097 (GENERATE_MULT3): Remove.
1098 (ISA_HAS_64BIT_REGS): Add isa == 64.
1099 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
1100 (ISA_HAS_MADD_MSUB): New.
1101 (ISA_HAS_CLZ_CLO): Ditto.
1102 (ISA_HAS_DCLZ_DCLO): Ditto.
1103 (ABI_GAS_ASM_SPEC): New.
1104 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
1107 (SUBTARGET_CC1_SPEC): Ditto.
1108 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
1109 (PAD_VARARGS_DOWN): Support MEABI.
1110 (HARD_REGNO_NREGS): Move to mips.c.
1111 (ASM_OUTPUT_IDENT): Add #undef.
1112 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
1113 (mulsi3): Use GENERATE_MULT3_SI.
1114 (mulsi3_mult3): Ditto. Support mips32, mips64.
1115 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
1116 (mul_sub_si): New pattern.
1117 (unnamed splitters): New.
1118 (muldi3): Use GENERATE_MULT3_DI.
1119 (muldi3_internal2): Ditto.
1120 (movdicc): Support mips32.
1121 * config/mips/t-isa3264: New file.
1123 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
1125 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
1126 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
1127 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
1129 * reorg.c (fill_slots_from_thread): After call to
1130 steal_delay_list_from_target, update own_thread as new_thread may
1133 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
1135 * cpperror.c (print_location): Take line and column, for
1136 default positioning use the previously lexed token.
1137 (_cpp_begin_message): Take line and column.
1138 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1139 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1140 * cpphash.h (_cpp_begin_message): Update prototype.
1141 * cppinit.c (push_include): Don't set output line.
1142 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
1143 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
1144 (do_pragma): Kludge for front ends. Don't expand macros at all.
1145 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
1146 (struct cpp_token): Remove output_line.
1147 (struct cpp_callbacks): New member line_change.
1148 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
1149 cpp_get_token): Preserve BOL flag.
1150 (cpp_get_line): Remove.
1151 (_cpp_backup_tokens): Remove useless abort().
1152 * cppmain.c (cb_line_change): New.
1153 (scan_translation_unit): Don't worry about starting new lines here.
1154 * scan-decls.c (scan_decls): Update.
1155 * c-lex.c (c_lex, init_c_lex): Update.
1156 (cb_line_change, src_lineno): New.
1158 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
1160 * tree.c (append_random_chars): Generate the random
1161 characters in a reproducable fashion.
1163 2001-09-14 Richard Henderson <rth@redhat.com>
1165 * config/i386/i386.c (internal_label_prefix): New.
1166 (internal_label_prefix_len): New.
1167 (override_options): Set them.
1168 (local_symbolic_operand): New.
1169 (legitimate_pic_address_disp_p): Use it.
1170 (legitimize_pic_address): Likewise.
1172 2001-09-14 Marc Espie <espie@openbsd.org>
1174 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
1177 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1179 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
1180 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
1182 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
1184 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
1185 invocation of SUBREG_REGNO_OFFSET.
1187 * haifa-sched.c: Fix typo in FSF copyright statement.
1188 * sched-deps.c: Fix typo in FSF copyright statement.
1189 * sched-ebb.c: Fix typo in FSF copyright statement.
1190 * sched-rgn.c: Fix typo in FSF copyright statement.
1191 * sched-vis.c: Fix typo in FSF copyright statement.
1193 * config.gcc: Move inclusion of arm elf specific header files
1194 from the files themselves into the tm_file variable. Make
1195 sure that elfos.h is included before target specific elf
1197 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
1199 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
1200 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
1201 ASM_OUTPUT_CASE_LABEL): Protect definition.
1202 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
1203 not already defined.
1204 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
1205 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
1206 Remove duplicate definition.
1207 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
1208 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
1209 (RDATA_SECTION_FUNCTION): Remove redundant definition.
1210 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
1211 Remove inclusion of arm/elf.h.
1212 * config/arm/unknown-elf.h: as for conix-elf.h.
1213 (STARTFILE_SPEC): Include crti.o and crtn.o.
1214 * config/arm/linux-elf.h: as for conix-elf.h.
1215 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
1216 * config/arm/strongarm-elf.h: Remove inclusion of
1218 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
1219 * config/arm/unknown-elf-oabi.h: Remove inclusion of
1220 unknown-elf.h and elf.h.
1221 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
1222 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
1223 ASM_WEAKEN_LABEL): Remove redundant definition.
1224 * config/arm/elf.h: Test for inclusion of elfos.h
1225 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
1226 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
1227 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
1228 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
1229 redundant definition.
1230 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
1231 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
1232 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
1233 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
1234 Add rules to build crti.o and crtn.o
1235 * crti.asm: New file.
1236 * crtn.asm: New file.
1238 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
1240 * c-parse.in (_yylex): Use _cpp_backup_tokens.
1241 * cpphash.h (struct tokenrun): Add prev.
1242 (struct lexer_state): Remove bol.
1243 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
1244 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
1246 * cppinit.c (cpp_create_reader): Don't set bol.
1247 (cpp_destroy): Don't free lookaheads.
1248 * cpplex.c (lex_directive): Remove.
1249 (next_tokenrun): Update.
1250 (_cpp_lex_token): Clean up logic.
1251 (lex_token): Update to return a pointer to lexed token, since it
1252 can move to the start of the buffer. Simpify newline handling.
1253 * cpplib.c (SEEN_EOL): Update.
1254 (skip_rest_of_line): Remove lookahead stuff.
1255 (end_directive): Line numbers are already incremented. Revert
1256 to start of lexed token buffer if we can.
1257 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
1258 parse_answer): Use _cpp_backup_tokens.
1259 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
1260 instead. Don't check for EOL.
1261 (do_include_common, do_line, do_pragma_system_header): Use
1263 * cpplib.h (BOL, _cpp_backup_tokens): New.
1264 * cppmacro.c (save_lookahead_token, take_lookahead_token,
1265 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
1266 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
1267 (builtin_macro): Don't use cpp_get_line.
1268 (cpp_get_line): Short term kludge.
1269 (parse_arg): Handle directives in arguments here. Back up when
1270 appropriate. Store EOF at end of argument list.
1271 (funlike_invocation_p): Use _cpp_backup_tokens.
1272 (push_arg_context): Account for EOF at end of list.
1273 (cpp_get_token): Remove lookahead stuff. Update.
1275 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1277 * c-parse.in (yyerror): Const-ification and/or static-ization.
1278 * c-typeck.c (push_member_name): Likewise.
1279 * collect2.c (main): Likewise.
1280 * dbxout.c (dbxout_parms): Likewise.
1281 * diagnostic.c (format_with_decl): Likewise.
1282 * dwarf2out.c (output_ranges): Likewise.
1283 * dwarfout.c (fundamental_type_code): Likewise.
1284 * except.c (dw2_output_call_site_table): Likewise.
1285 * gcc.c (do_spec_1): Likewise.
1286 * genopinit.c (optabs): Likewise.
1287 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
1288 gen_declaration_1, handle_impent): Likewise.
1289 * protoize.c (default_include, in_system_include_dir, abspath):
1291 * sched-vis.c (visualize_stall_cycles): Likewise.
1292 * sdbout.c (plain_type_1, sdbout_end_function,
1293 sdbout_end_epilogue): Likewise.
1294 * varasm.c (decode_reg_name): Likewise.
1296 * 1750a.c (mod_regno_adjust): Likewise.
1297 * alpha.c (alpha_write_one_linkage,
1298 unicosmk_output_default_externs): Likewise.
1299 * arm.c (arm_condition_codes): Likewise.
1300 * arm.h (arm_condition_codes): Likewise.
1301 * avr.c (output_movsisf, encode_section_info): Likewise.
1302 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1304 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1305 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1306 * m88k.c (output_function_profiler): Likewise.
1307 * mips.c (mips_output_conditional_branch): Likewise.
1308 * ns32k.c (ns32k_out_reg_names): Likewise.
1309 * ns32k.h (ns32k_out_reg_names): Likewise.
1310 * pj.c (pj_output_rval): Likewise.
1311 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1312 * sparc.c (sparc_flat_function_prologue,
1313 sparc_flat_function_epilogue): Likewise.
1315 2001-09-13 Markus Werle <numerical.simulation@web.de>
1316 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1318 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1319 Aachen University of Technology".
1321 2001-09-13 Andreas Schwab <schwab@suse.de>
1323 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1326 2001-09-13 Richard Henderson <rth@redhat.com>
1328 * config/alpha/alpha.c (small_symbolic_operand): New.
1329 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1330 (some_operand, input_operand): Don't handle HIGH.
1331 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1332 (alpha_expand_mov): Likewise.
1333 (print_operand) [H]: Just print HIGH symbol.
1334 (print_operand_address): Handle small data.
1335 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1336 (TARGET_SWITCHES): Add -msmall-data/large-data.
1337 (PIC_OFFSET_TABLE_REGNUM): New.
1338 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1339 (PREDICATE_COES): Update.
1340 * config/alpha/alpha.md (adddi_er_high): New.
1341 (adddi_er_low): Handle small data.
1342 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1343 prefer .sdata to .rodata.
1344 (SELECT_RTX_SECTION): Likewise.
1346 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1348 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1349 defining __size_t and leaving size_t undefined.
1351 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1353 * basic-block.h (expunge_block): Declare.
1354 * cfg.c (expunge_block): Remove static declaration.
1356 2001-09-12 Richard Henderson <rth@redhat.com>
1358 * integrate.c (copy_insn_list): Copy label name from
1359 NOTE_INSN_DELETED_LABEL.
1361 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1363 * c-common.c (c_tree_code_name): Const-ification.
1364 * c-decl.c (c_decode_option): Likewise.
1365 * c-typeck.c (warn_for_assignment): Likewise.
1366 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
1368 * cppinit.c (output_deps): Likewise.
1369 * dependence.c (dependence_string, direction_string): Likewise.
1370 * dwarf2out.c (output_ranges): Likewise.
1371 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
1372 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
1373 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1374 standard_startfile_prefix, standard_startfile_prefix_1,
1375 standard_startfile_prefix_2, tooldir_base_prefix,
1376 standard_bindir_prefix, find_a_file): Likewise.
1377 * genattrtab.c (make_length_attrs): Likewise.
1378 * gencheck.c (tree_codes): Likewise.
1379 * genemit.c (gen_split): Likewise.
1380 * genrecog.c (special_mode_pred_table): Likewise.
1381 * graph.c (graph_ext): Likewise.
1382 * protoize (default_include): Likewise.
1383 * reload.c (reload_when_needed_name): Likewise.
1384 * sched-vis.c (visualize_stall_cycles): Likewise.
1385 * tlink.c (recompile_files): Likewise.
1386 * toplev.c (decode_g_option): Likewise.
1387 * tradcpp.c (output_deps): Likewise.
1388 * varasm.c (decode_reg_name): Likewise.
1390 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1393 * avr.c (avr_regnames, encode_section_info): Likewise.
1394 * c4x.c (float_reg_names): Likewise.
1395 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1396 * elfos.h (const_section): Likewise.
1397 * i386.c (ix86_comp_type_attributes): Likewise.
1398 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1399 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1400 * ia64.c (type_names): Likewise.
1401 * m68hc11.c (reg_class_names): Likewise.
1402 * m88k.c (m_options): Likewise.
1403 * mips.c (mips_output_conditional_branch, mips_unique_section):
1405 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1406 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1407 ultra_code_names): Likewise.
1408 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1410 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1412 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1413 Use --fatal-warnings option for gas.
1414 * configure: Rebuilt.
1416 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1418 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1420 2001-09-11 Jim Wilson <wilson@redhat.com>
1422 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1424 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1426 * builtins.c (c_strlen): Treat an offset too large for a
1427 HOST_WIDE_INT as out of range.
1429 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1431 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1432 (EDGE_CRITICAL_P): New predicate.
1433 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1435 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1436 (dump_edge_info): Remove "crit".
1437 * cfganal.c (mark_critical_edges): Kill.
1438 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1439 * cfgcleanup.c (cleanup_cfg): Likewise.
1440 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1441 (find_spanning_tree): Likewise.
1442 * reg-stack.c (convert_regs_1): Likewise.
1443 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1445 * basic-block.h (create_basic_block_structure): New.
1446 (create_basic_block): Update prototype.
1447 (force_nonfallthru): New.
1448 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1449 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1450 handle updating of block_for_insn, creating of empty BBs and BBs at
1451 the end of INSN chain.
1452 (create_basic_block): New function.
1453 (split_block): Use create_basic_block.
1454 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1455 (redirect_edge_and_branch_force): ... here.
1456 (force_nonfallthru): New.
1457 (split_edge): Rewrite to use force_nonfallthru and create_block.
1458 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1459 (find_basic_blocks): Free basic_block_for_insn.
1460 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1462 * cfg.c: Fix formating.
1463 * cfgcleanup.c: Fix formating.
1464 (merge_blocks, tail_recursion_label_p): Return bool.
1465 (merge_blocks_move_predecessor_nojumps,
1466 merge_blocks_move_successor_nojumps): Return void.
1468 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1470 * configure.in: Check whether assembler supports section merging.
1471 * config.in: Rebuilt.
1472 * configure: Rebuilt.
1473 * varasm.c (variable_section, output_constant_pool): Pass alignment
1474 to SELECT_SECTION and SELECT_RTX_SECTION.
1475 (mergeable_string_section): New.
1476 (mergeable_constant_section): New.
1477 (default_elf_asm_named_section): Output SECTION_MERGE and
1478 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1479 * output.h (mergeable_string_section): New.
1480 (mergeable_constant_section): New.
1481 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1482 * toplev.c (flag_merge_constants): New.
1483 (f_options): Add -fmerge-constants and -fmerge-all-constants
1485 (toplev_main): Default to -fno-merge-constants if not optimizing.
1486 * flags.h (flag_merge_constants): Add extern.
1487 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1488 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1490 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1491 Define if assembler has working .subsection -1 support.
1492 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1493 Put constant into special SHF_MERGE sections if the linker should
1494 attempt to merge duplicates.
1495 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1497 Put constant into special SHF_MERGE sections if the linker should
1498 attempt to merge duplicates.
1499 * config/alpha/elf.h: Likewise.
1500 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1501 has working .subsection -1 support.
1502 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1504 * config/svr3.h: Likewise.
1505 * config/darwin.h: Likewise.
1506 * config/arm/aof.h: Likewise.
1507 * config/arm/linux-elf.h: Likewise.
1508 * config/avr/avr.h: Likewise.
1509 * config/c4x/c4x.h: Likewise.
1510 * config/d30v/d30v.h: Likewise.
1511 * config/i386/dgux.h: Likewise.
1512 * config/i386/osfrose.h: Likewise.
1513 * config/i386/sco5.h: Likewise.
1514 * config/i386/svr3gas.h: Likewise.
1515 * config/ia64/aix.h: Likewise.
1516 * config/m32r/m32r.h: Likewise.
1517 * config/m68k/m68k.h: Likewise.
1518 * config/m88k/dgux.h: Likewise.
1519 * config/m88k/m88k.h: Likewise.
1520 * config/mcore/mcore-pe.h: Likewise.
1521 * config/mips/mips.h: Likewise.
1522 * config/pa/pa.h: Likewise.
1523 * config/pa/pa-linux.h: Likewise.
1524 * config/romp/romp.h: Likewise.
1525 * config/rs6000/sysv4.h: Likewise.
1526 * config/rs6000/xcoff.h: Likewise.
1527 * config/s390/linux.h: Likewise.
1528 * config/sparc/sparc.h: Likewise.
1529 * config/sparc/sysv4.h: Likewise.
1530 * config/stormy16/stormy16.h: Likewise.
1531 * config/v850/v850.h: Likewise.
1532 * config/vax/vms.h: Likewise.
1533 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1534 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1535 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1536 default_elf_asm_named_section for SHF_MERGE sections.
1538 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1540 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1543 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1545 * c-common.c (split_specs_attrs): Allow for empty attributes with
1546 empty TREE_PURPOSE. Fixes PR c/4294.
1548 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1550 * basic-block.h (cached_make_edge, make_single_succ): New.
1551 (make_edge): Remove first parameter.
1552 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1553 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1554 created edge; use obstack allocation.
1555 (make_edge, make_single_succ_edge): New.
1556 (first_removed_edge): New static variable.
1557 (init_flow): Initialize first_removed_edge and n_edges.
1558 (clear_edges): Use remove_edge.
1559 (flow_delete_block): Likewise.
1560 (remove_edge): Add removed edges to the removed edges list.
1561 (split_block, redirect_edge_and_branch_force, split_edge):
1563 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1564 (add_noreturn_fake_exit_edges): Likewise.
1565 (connect_infinite_loops_to_exit): Liekwise.
1566 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1567 Use cached_make_edge.
1568 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1569 * profile.c (branch_prob): Update make_edge call.
1570 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1572 2001-09-11 Richard Henderson <rth@redhat.com>
1574 * config/alpha/alpha.c: Tidy formatting.
1575 (local_symbolic_operand): Verify mode.
1576 (alpha_sa_mask): Ignore unicos for eh_return.
1577 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1578 * config/alpha/alpha.md (umk divsi patterns): Remove.
1579 (extendsfdf2): Remove unicos check.
1580 (tablejump): Merge vms and unicos code; always use direct set
1583 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1585 * config.gcc (alpha*-*-unicosmk*): New target.
1587 * config/alpha/alpha-protos.h (symbolic_operand,
1588 unicosmk_add_call_info_word, unicosmk_add_extern,
1589 unicosmk_defer_case_vector, unicosmk_unique_section,
1590 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1591 unicosmk_asm_file_start, unicosmk_asm_file_end,
1592 unicosmk_output_common): Declare.
1594 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1595 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1596 alpha_does_function_need_gp, alpha_end_function): Support Cray
1598 (alpha_init_machine_status, alpha_mark_machine_status,
1599 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1600 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1601 unicosmk_asm_named_section, unicosmk_insert_attributes,
1602 unicosmk_section_type_flags, symbolic_operand,
1603 unicosmk_output_module_name, unicosmk_output_default_externs,
1604 unicosmk_output_dex, unicosmk_output_externs,
1605 unicosmk_output_addr_vec, unicosmk_ssib_name,
1606 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1607 unicosmk_asm_file_end, unicosmk_output_common,
1608 unicosmk_section_type_flags, unicosmk_unique_section,
1609 unicosmk_add_call_info_word, unicosmk_text_section,
1610 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1611 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1612 unicosmk_dex_count, unicosmk_special_name): New.
1613 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1614 TARGET_ABI_UNICOSMK.
1615 (get_aligned_mem, alpha_expand_unaligned_load,
1616 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1617 alpha_expand_unaligned_store_words): Support big-endian mode.
1618 (print_operand): Likewise. New format specifier 't'. Use
1619 TARGET_AS_SLASH_BEFORE_SUFFIX.
1620 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1621 (alpha_pv_save_size): Update with above change.
1622 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1623 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1626 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1627 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1628 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1629 (EXTRA_CONSTRAINT): New constraint 'U'.
1630 (PREDICATE_CODES): Add symbolic_operand.
1632 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1633 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1634 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1635 (integer division and modulus patterns): Split in default and
1637 (*divmodsi_internal, *divmoddi_internal): Disable for
1638 TARGET_ABI_UNICOSMK.
1639 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1640 little-endian and big-endian versions.
1641 (ext, ins, msk): Likewise.
1642 (extv, extzv, insv): Support big-endian mode.
1643 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1644 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1645 *tablejump_umk_internal, *call_value_umk): New.
1646 (*movdi_nofix): Add pattern for loading an address into a register on
1647 TARGET_ABI_UNICOSMK.
1648 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1649 (umk_mismatch_args, arg_home_umk): New.
1650 (various insns): Don't use mov, fmov, nop, fnop and unop.
1651 (realign): Support TARGET_ABI_UNICOSMK.
1653 * config/alpha/unicosmk.h: New file.
1654 * config/alpha/t-unicosmk: New file.
1656 * fixinc/inclhack.def (unicosmk_restrict): New.
1657 * fixinc/fixincl.x: Regenerate.
1659 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1660 (wchar_t): Check for and define __WCHAR_T__.
1662 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1664 * combine.c (simplify_shift_const): Treat shifts by the mode
1667 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1669 * cpphash.h (struct tokenrun): New.
1670 (struct cpp_context): New member bol.
1671 (struct cpp_reader): New members.
1672 (_cpp_init_tokenrun): New.
1673 * cppinit.c (cpp_create_reader): Set up the token runs.
1674 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1675 (lex_token): New internalised version of _cpp_lex_token. Don't
1676 handle directives or the multiple include opimisation here any
1677 more. Simply lex a token.
1678 * cpplib.c (run_directive): Clear bol.
1679 (_cpp_pop_buffer): Set bol.
1680 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1683 2001-09-11 Michael Meissner <meissner@redhat.com>
1685 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1686 give an error if the user uses -mfp32.
1687 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1689 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1690 floating point register size.
1691 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1693 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1694 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1696 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1697 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1699 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1701 * dbxout.c (dbxout_parms): Fix typo in comment.
1702 * unroll.c (loop_find_equiv_value): Ditto.
1703 * toplev.c (rest_of_compilation): Ditto.
1704 * loop.c (scan_loop): Ditto.
1705 * dwarf2out.c (struct dw_fde_struct): Ditto.
1707 2001-09-10 Zack Weinberg <zackw@panix.com>
1709 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1710 copying identifier when we're just going to throw it away.
1711 (parse_identifier_slow): New routine to handle abnormal cases.
1712 (_cpp_lex_token): Update call site.
1714 * hashtable.c (ht_lookup): Don't assume that the string we've
1715 been given is NUL-terminated.
1716 * system.h: #define __builtin_expect(a, b) to (a) if not
1719 2001-09-10 Michael Meissner <meissner@redhat.com>
1721 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1724 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1726 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1728 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1730 * builtins.c (c_getstr): Correct thinko in last change and further
1733 2001-09-10 Tim Freeman <tim@fungibole.com>
1735 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1736 into varray's and register them as roots with the garbage
1737 collector so they are not collected too soon.
1739 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1741 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1743 * basic-block.h (flow_obstack, label_value_list,
1744 tail_recursion_label_list): Declare
1745 (tidy_fallthru_edges): Declare.
1746 (expunge_block, last_loop_beg_note): Delete.
1747 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1749 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1750 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1751 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1752 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1753 expunge_block, flow_delete_block, compute_bb_for_insn,
1754 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1755 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1756 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1757 try_redirect_by_replacing_jump, last_loop_beg_note,
1758 redirect_edge_and_branch, redirect_edge_and_branch_force,
1759 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1760 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1761 commit_edge_insertions, dump_flow_info, debug_flow_info,
1762 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1763 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1764 Move here from flow.c
1765 * cfganal.c: New file.
1766 (forwarder_block_p, can_fallthru, mark_critical_edges,
1767 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1768 find_unreachable_blocks, create_edge_list, free_edge_list,
1769 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1770 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1771 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1772 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1773 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1774 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1775 Move here from flow.c
1776 * cfgbuild.c: New file
1777 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1778 make_edges, find_basic_blocks_1, find_basic_blocks,
1779 find_sub_basic_blocks): Move here from flow.c
1780 * cfgcleanup.c: New file.
1781 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1782 merge_blocks_move_predecessor_nojumps,
1783 merge_blocks_move_successor_nojumps, merge_blocks,
1784 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1785 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1786 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1788 * cfgloop.c: New file
1789 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1790 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1791 flow_loop_exit_edges_find, flow_loop_nodes_find,
1792 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1793 flow_loop_tree_node_add, flow_loops_tree_build,
1794 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1795 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1796 Move here from flow.c
1797 * flow.c: Remove everything moved elsewhere
1798 * output.h (cleanup_cfg): Return bool.
1800 * bb-reorder.c (reorder_block_def): Remove 'index'.
1801 (insert_intra_1): Add argument BB, set block for new note.
1802 (make_reorder_chain): Do not depdent on BB indexes.
1803 (make_reorder_chain_1): Do not use BB indexes.
1804 (label_for_bb): Likewise; set BB for new insn.
1805 (emit_jump_to_block_after): Likewise.
1806 (fixup_reoder_chain): Sanity check that all basic blocks
1807 are chained; verify newly created insn chain; remove
1808 undocnitional jump simplifying; Do not use BB indexes;
1809 properly initialize count and frequency information;
1810 dump reordered sequence.
1811 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1812 (insert_inter_bb_scope_notes): Set block for new insn.
1813 (reorder_basic_blocks): Dump flow info before reoredering.
1815 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1817 * alias.c (clear_reg_alias_info): Use K&R format definition.
1818 Avoid unsigned warning.
1819 * builtins.c: Use "unsigned int", not "unsigned".
1820 (target_char_cast): Use host_integerp and tree_low_cst.
1821 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1822 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1823 (c_getstr): Likewise.
1824 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1825 (builtin_memcpy_read_str): Avoid unsigned warning.
1826 (expand_builtin_memcpy): Alignments are unsigned.
1827 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1828 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1829 * predict.c (expensive_function_p): LIMIT now unsigned.
1830 * resource.c (mark_target_live_regs): Make some vars unsigned.
1831 * sdbout.c: Use "unsigned int", not "unsigned".
1832 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1833 (sdbout_source_line): Likewise.
1834 (sdbout_record_type_name): Remove "const" for NAME declaration.
1835 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1837 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1839 * calls.c (store_one_arg): Expand comment.
1841 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1843 * calls.c (store_one_arg): Make sure that the entire argument is
1844 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1846 2001-09-09 Richard Henderson <rth@redhat.com>
1848 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1850 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1852 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1854 2001-09-09 Richard Henderson <rth@redhat.com>
1856 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1857 (alpha_this_literal_sequence_number): New.
1858 (alpha_this_gpdisp_sequence_number): New.
1859 (some_operand, input_operand): Add HIGH.
1860 (local_symbolic_operand): New.
1861 (alpha_encode_section_info): New.
1862 (alpha_legitimate_address_p): Allow LO_SUM.
1863 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1864 (alpha_expand_mov): Likewise.
1865 (secondary_reload_class): Check memory_operand not general_operand
1867 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1868 (alpha_expand_unaligned_store): Likewise.
1869 (alpha_expand_unaligned_load_words): Likewise.
1870 (alpha_expand_unaligned_store_words): Likewise.
1871 (alpha_expand_block_clear): Likewise.
1872 (print_operand): Handle %#, %*, %H.
1873 (print_operand_address): Handle LO_SUM.
1875 (alpha_does_function_need_gp): Use it.
1876 (alpha_expand_block_move): Fix signed compare warnings.
1877 (alpha_sa_mask, alpha_align_insns): Likewise.
1878 * config/alpha/alpha-protos.h: Update.
1879 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1880 (MASK_EXPLICIT_RELOCS): New.
1881 (TARGET_SWITCHES): Add -mexplicit-relocs.
1882 (EXTRA_CONSTRAINT): Add 'T'.
1883 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1884 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1885 (ENCODE_SECTION_INFO): Out line.
1886 (REDO_SECTION_INFO_P): New.
1887 (STRIP_NAME_ENCODING): New.
1888 (ASM_OUTPUT_LABELREF): New.
1889 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1890 (PREDICATE_CODES): Update.
1891 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1892 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1893 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1894 builtin_setjmp_receiver_er, exception_receiver_1_er,
1895 call_value_osf_1_er): New patterns.
1896 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1897 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1898 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1899 (FINAL_PRESCAN_INSN): New.
1901 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1903 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1905 2001-09-08 Andreas Jaeger <aj@suse.de>
1907 * i386.h (TARGET_SWITCHES): Fix description.
1909 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1911 * rs6000.c (num_insns_constant): Compute number of instructions
1914 * doc/install.texi: Explain AIX exception handling work-around.
1915 Update URL for AIX fixes.
1917 2001-09-07 Jim Wilson <wilson@redhat.com>
1919 * alias.c (clear_reg_alias_info): New.
1920 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1921 * rtl.h (clear_reg_alias_info): Declare.
1923 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1925 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1927 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1928 (m16m,edivm,emulm): Change declaration to match definition.
1930 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1932 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1933 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1936 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1938 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1939 which have no corresponding C type.
1940 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1941 the representation of 64-bit doubles to work with 64-bit ints.
1943 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1945 * config/mips/mips.c (override_options): Do not override ISA when ABI
1946 specified if MIPS_CPU_STRING_DEFAULT was specified.
1948 2001-09-07 Richard Henderson <rth@redhat.com>
1950 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1951 (express_from_1): Wrap lines.
1952 * rtlanal.c (commutative_operand_precedence): Rename from
1953 operand_preference; export.
1954 * rtl.h: Declare it.
1955 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1956 (simplify_binary_operation): Invoke simplify_plus_minus on
1957 (CONST (PLUS ...)) as well.
1958 (struct simplify_plus_minus_op_data): New.
1959 (simplify_plus_minus_op_data_cmp): New.
1960 (simplify_plus_minus): Use them. Avoid infinite recursion with
1961 simplify_binary_operation wrt CONST.
1963 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1965 * h8300-protos.h (general_operand_dst_push): Remove.
1966 * h8300.c (general_operand_dst_push): Likewise.
1967 * h8300.h (OK_FOR_T): Likewise.
1968 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1969 * h8300.md (pushqi_h8300): New.
1970 (pushqi_h8300hs): Likewise.
1972 (pushhi_h8300): Likewise.
1973 (pushhi_h8300hs): Likewise.
1976 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1978 * genattrtab.c (attr_printf): First arg is unsigned.
1979 Clean up formatting of callers.
1981 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1983 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1986 2001-09-07 Andreas Jaeger <aj@suse.de>
1988 * i386.h (TARGET_SWITCHES): Fix descriptions.
1990 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1992 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1994 2001-09-06 Ira Ruben <ira@apple.com>
1996 Remove OP_IDENTIFIER.
1997 * tree.def (OP_IDENTIFIER): Remove.
1998 * tree.c (tree_node_kind enum): Remove op_id_kind.
1999 (tree_node_kind_names): Remove "op_identifiers".
2000 (make_node): Remove OP_IDENTIFIER test.
2001 (build_op_identifier): Removed because it isn't being used.
2002 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
2003 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
2005 2001-09-06 Richard Henderson <rth@redhat.com>
2007 * simplify-rtx.c (simplify_binary_operation): Revert last change.
2009 2001-09-06 Richard Henderson <rth@redhat.com>
2011 * simplify-rtx.c (simplify_binary_operation): Simplify contents
2014 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2016 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
2017 number used for CR register.
2019 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2020 Joern Rennecke (amylaar@cygnus.com)
2022 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
2023 * h8300.c (initial_offset): Handle offset between RP and FP.
2024 (h8300_return_addr_rtx): New function.
2025 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
2027 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
2028 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
2029 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
2030 (CAN_ELIMINATE, REGISTER_NAMES):
2031 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
2033 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
2035 Remove TYPE_NONCOPIED_PARTS.
2036 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
2037 (struct tree_type): Remove noncopied_parts.
2038 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
2039 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
2040 (fixed_type_p): Remove.
2041 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
2042 (expand_expr, MODIFY_EXPR): Likewise.
2043 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
2044 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
2046 2001-09-06 Alan Modra <amodra@bigpond.net.au>
2048 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
2050 (mask64_operand): Likewise.
2051 (includes_rldic_lshift_p): Likewise.
2052 (includes_rldicr_lshift_p): Likewise.
2054 2001-09-05 Ziemowit Laski <zlaski@apple.com>
2056 * objc/objc-act.c (build_message_expr): If a class method cannot
2057 be found, do not issue a warning if a corresponding instance
2058 method exists in the root class.
2060 2001-09-05 Richard Henderson <rth@redhat.com>
2062 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
2064 2001-09-05 Zack Weinberg <zack@codesourcery.com>
2066 * function.c (ggc_mark_struct_function): Mark f->outer.
2067 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
2068 * integrate.c (output_inline_function): ... not here.
2070 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2072 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
2074 * i386.c (size_cost): New static variable.
2075 (override_function): Use size_cost when -Os is specified.
2077 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
2078 properly; Use current_function_calls_eh_return.
2079 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
2080 use leave to avoid depdendancy chain.
2082 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
2083 get BB loop_depth instead of computing it from LOOP notes.
2085 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
2087 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2089 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2090 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2091 UNALIGNED_DOUBLE_INT_ASM_OP): Define
2093 2001-09-05 Jeffrey A Law (law@cygnus.com)
2094 Jason Merrill (jason@redhat.com)
2096 * stor-layout.c (layout_type): Complain if an array's size can
2097 not be represented in a size_t.
2099 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
2101 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
2103 * gcc.c: (process_command) Add parentheses around assignment
2104 used as truth value.
2106 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2108 * config/mips/mips.c (save_restore_insns): Don't mark any register
2109 save slots as unchanging if current_function_calls_eh_return.
2111 2001-09-05 Richard Henderson <rth@redhat.com>
2113 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
2114 * config/alpha/alpha-protos.h: Declare it.
2115 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
2116 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
2117 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
2118 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
2119 (REG_OK_FOR_BASE_P): Select one of the above.
2121 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2123 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
2124 (crti.o): Prefix name of object file with $(T).
2127 2001-09-05 David S. Miller <davem@redhat.com>
2129 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
2130 * config/sparc/linux64.h: Likewise.
2132 2001-09-05 Andreas Jaeger <aj@suse.de>
2134 * doc/invoke.texi (i386 Options): -mwide-multiply is not
2135 available anymore, remove the documentation.
2136 (i386 Options): Fix typo, cleanup index entries.
2138 * prefix.c (concat): Remove, we can use the version from liberty.
2140 2001-09-05 Richard Henderson <rth@redhat.com>
2142 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
2143 New functions split out of md file expanders.
2144 * config/alpha/alpha-protos.h: Declare them.
2145 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
2147 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
2149 * cppmacro.c (funlike_invocation_p): No need to restore context.
2151 2001-09-04 Richard Henderson <rth@redhat.com>
2153 * reload.c (push_reload): Export.
2154 * reload.h (push_reload): Declare it.
2156 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
2157 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2158 * config/alpha/alpha.c (alpha_legitimize_address): New.
2159 (alpha_legitimize_reload_address): Likewise.
2160 * config/alpha/alpha-protos.h: Declare them.
2162 2001-09-04 Stan Shebs <shebs@apple.com>
2164 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
2165 * config/darwin.c (machopic_stub_name): Account for internally
2166 generated lib calls such as memcpy.
2168 2001-09-04 Richard Henderson <rth@redhat.com>
2170 * unwind.h (_UA_END_OF_STACK): New flag.
2171 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
2173 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2175 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
2177 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
2179 * config/mips/mips.c (save_restore_insns): Change base_offset to
2180 fp_offset in second call to mips_emit_frame_related_store.
2182 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
2184 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
2185 sometimes be represented as a NOTE of type
2186 NOTE_INSN_DELETED_LABEL.
2187 (Insns): Document NOTE_INSN_DELETED_LABEL.
2189 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
2191 * c-common.h (tree_dump_index): Add more comments.
2192 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
2193 (dump_option_value_info): New struct.
2194 (dump_options): New array.
2195 (dump_switch_p): Parse switch options symbolically.
2196 * doc/invoke.texi (-fdump-ast): Rename to ...
2197 (-fdump-tree): ... here. Document that options are symbolic, and
2198 not all are applicable.
2200 2001-09-04 David S. Miller <davem@redhat.com>
2202 * config/sparc/sparc.md (define_splits): Kill constraints.
2204 Cleanup redundant and unused insn attributes.
2205 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
2206 binary, and move. Mark ialu as default.
2207 (commented out define_function_unit "alu"): Kill.
2208 (define_attr "use_clobbered"): Kill.
2209 (whole file): Kill address insn type references. Replace
2210 all unary/binary/move references with ialu.
2211 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
2212 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
2215 Simplify length insn attribute and make more judicious use
2216 of insn attribute defaulting.
2217 * config/sparc/sparc.md (all insns with length > one): Mark as
2218 insn type multi if real instructions, else use default if
2219 it is a forced splitter.
2220 (all insns with length == one): Use default insn length.
2221 (all insns of type ialu): Use default insn type.
2223 Fix erroneous insn attribute settings.
2224 (addx): Set insn type to misc.
2225 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
2226 const_umulsidi3_sp64): Set insn type to imul.
2228 Track SFmode vs DFmode insns according to UltraSPARC
2230 * config/sparc/sparc.md ("fptype"): New attribute, default
2232 (all DFmode single insns): Mark as fptype "double".
2234 2001-09-03 Jakub Jelinek <jakub@redhat.com>
2236 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
2238 2001-09-03 Richard Henderson <rth@redhat.com>
2240 * function.h (struct function): Add arg_pointer_save_area_init.
2241 * function.c (expand_function_end): Init arg_pointer_save_area.
2242 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
2243 when called from a nested function.
2245 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
2247 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
2250 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2252 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
2254 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
2256 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
2257 (emit_push_insn): Use specified padding direction when
2258 STACK_PUSH_CODE is POST_INC.
2260 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
2262 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2264 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
2266 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
2268 * cppinit.c (cpp_start_read): Free the imacros list as we
2269 traverse it. Don't free the chains before returning.
2270 (_cpp_push_next_buffer): Only try pushing buffers if we've
2271 completed -imacros handling.
2273 2001-08-31 Eric Christopher <echristo@redhat.com>
2275 * gcc.c (handle_braces): Add explaination for abort.
2277 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
2279 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
2280 move adjustment of bitpos instead.
2282 2001-08-31 Zack Weinberg <zack@codesourcery.com>
2284 * function.c: Remove all_functions. Make outer_function_chain
2286 (init_function_start): Don't add new function structure to
2288 (find_function_data, push_function_context_to,
2289 pop_function_context_from, put_var_into_stack,
2290 trampoline_address): Update for changed structure element names.
2291 (push_function_context_to): Disentangle.
2292 (free_after_compilation): Also free F.
2293 (expand_dummy_function_end): Don't free cfun here.
2294 (put_var_into_stack): Comment why we can't use find_function_data here.
2295 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
2296 (mark_function_chain): Split into maybe_mark_struct_function and
2297 ggc_mark_struct_function. Export the latter.
2298 (init_function_once): Mark from cfun and outer_function_chain;
2301 * function.h (struct function): Kill next_global. Rename next
2302 to outer. All users updated to match.
2303 (all_functions, outer_function_chain): Don't declare.
2305 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2306 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
2307 don't touch f->inlinable, after calling rest_of_compilation.
2309 * tree.h: Forward-declare struct function. Prototype
2310 ggc_mark_struct_function.
2312 2001-08-31 Kazu Hirata <kazu@hxi.com>
2314 * config/h8300/h8300.md (*andorhi3): Fix typos.
2316 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2318 * calls.c (emit_library_call_value): Don't use a fixed
2319 argument after VA_CLOSE, i.e. out of scope in traditional C.
2321 * emit-rtl.c (gen_rtvec): Likewise.
2323 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2325 * Makefile.in (c-pragma.o): Depend on output.h.
2326 (reorg.o): Depend on except.h.
2328 * c-pragma.c: Include output.h.
2330 * reorg.c: Include except.h.
2332 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2334 2001-08-31 Richard Henderson <rth@redhat.com>
2336 * sched-deps.c (add_dependence): Don't elide dependancy if the
2337 conditional used by insn is modified in elem.
2339 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2341 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2343 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2345 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2348 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2350 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2352 (stormy16_asm_out_constructor): New function.
2353 (TARGET_ASM_CONSTRUCTOR): Define.
2354 (TARGET_ASM_DESTRUCTOR): Define.
2356 2001-08-31 Andreas Jaeger <aj@suse.de>
2358 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
2359 * loop.c (add_label_notes): Likewise.
2360 * reload.c (find_reloads): Likewise.
2361 * config/sh/sh.c (machine_dependent_reorg): Likewise.
2363 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
2365 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
2366 code here. Take _Unwind_{W,Sw}ord*.
2367 (read_encoded_value_with_base): Use them.
2368 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
2370 (extract_cie_info): Simplify read_?leb128 handling.
2371 (execute_stack_op, execute_cfa_program): Likewise.
2372 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2374 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2376 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2377 the frame pointer to pop the stack if convenient.
2379 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2380 Don't use post-increment before combine.
2381 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
2382 a call-saved register.
2384 2001-08-31 Andreas Jaeger <aj@suse.de>
2386 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2389 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2391 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2392 not DIV/MOD, of course.
2394 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2396 * rtl.def: Undo my patch commited 2001-08-27.
2398 * genattrtab.c: Ditto.
2402 * sched-int.h: Ditto.
2404 * target-def.h: Ditto.
2408 * haifa-sched.c: Ditto.
2410 * sched-rgn.c: Ditto.
2412 * sched-vis.c: Ditto.
2414 * Makefile.in: Ditto.
2416 * doc/md.texi: Ditto.
2418 * doc/tm.texi: Ditto.
2420 * doc/contrib.texi: Ditto.
2422 * doc/gcc.texi: Ditto.
2424 * genattrtab.h: Remove it.
2426 * genautomata.c: Remove it.
2428 * genattr.c: Undo my patch and Richard Henderson's patch commited
2431 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2433 * config.gcc (h8300-*-elf*): New case.
2434 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2435 (SUBTARGET_CPP_SPEC): Define.
2436 (EXTRA_SPECS): Define.
2437 (SUBTARGET_EXTRA_SPECS): Define.
2438 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2439 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2441 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2443 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2444 (LIB2FUNCS_EXTRA): Define.
2445 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2446 config/h8300/fixunssfsi.c: New file.
2448 2001-08-30 Kazu Hirata <kazu@hxi.com>
2450 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2451 define_expand to accomodate target-specific attributes.
2452 (anonymous zero_extendqihi2 patterns): New.
2454 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2456 * h8300.md (*andorhi3): New pattern.
2458 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2460 * h8300.c (dosize): Fix test for "sub".
2462 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2464 * c-typeck.c (pointer_diff): Try to eliminate common term before
2467 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2469 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2470 Account for the saves of the FP registers.
2472 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2473 (TEXT_SECTION_ASM_OP): Define.
2474 (INIT_SECTION_ASM_OP): Define.
2475 (FINI_SECTION_ASM_OP): Define.
2476 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2477 (RDATA_SECTION_FUNCITON): Provide prototype.
2479 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2481 * reload1.c (move2add_note_store): Correct typo checking for
2484 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2486 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2487 note should not be considered outside the libcall block.
2489 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2491 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2493 2001-08-29 Kazu Hirata <kazu@hxi.com>
2495 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2497 2001-08-29 Kazu Hirata <kazu@hxi.com>
2499 * config/h8300/h8300-protos.h: Add a prototype for
2501 * config/h8300/h8300.c (emit_logical_op): New.
2502 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2509 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2511 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2512 comparison with rtx INTVAL.
2513 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2515 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2517 2001-08-29 Kazu Hirata <kazu@hxi.com>
2519 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2522 2001-08-29 Kazu Hirata <kazu@hxi.com>
2524 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2525 (reg n) to (mem (pre_dec (reg n))
2526 (anonymous movsi pattern): Likewise.
2528 2001-08-29 Kazu Hirata <kazu@hxi.com>
2530 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2532 2001-08-29 Kazu Hirata <kazu@hxi.com>
2534 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2535 several special constants.
2537 2001-08-29 Kazu Hirata <kazu@hxi.com>
2539 * config/h8300/lib1funcs.asm: Fix comment typos.
2541 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2543 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2544 Fix format specifier warnings.
2546 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2547 inet_makeaddr, semctl): Prototype.
2549 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2550 (save_restore_insns): Use base_offset, not gp_offset.
2552 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2553 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2555 2001-08-29 Richard Henderson <rth@redhat.com>
2557 * bb-reorder.c (function_tail_eff_head): New.
2558 (record_effective_endpoints): Set it.
2559 (fixup_reorder_chain): Use it.
2561 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2563 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2565 2001-08-28 Dale Johannesen <dalej@apple.com>
2567 * config/darwin.c (machopic_function_base_name): Add const
2568 qualifier to a string.
2569 (darwin_encode_section_info): Ditto.
2571 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2573 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2574 function definition.
2576 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2578 * df.h (struct df): Add rts_order variable.
2580 * df.c (df_visit_next_rts): New function.
2581 (df_visit_next): Renamed to df_visit_next_rc
2582 (df_analyse_1): Allocate/compute/free rts_order as well.
2583 (df_rd_global_compute): Use df_visit_next_rc instead of
2585 (df_ru_global_compute): Use df_visit_next_rts instead of
2588 * flow.c (flow_reverse_top_sort_order_compute): New function.
2590 * basic-block.h: Add prototype.
2592 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2594 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2595 blocks, the BB_REACHABLE is now set, rather than aux being
2596 non-NULL. Update the test to reflect this.
2598 2001-08-28 Eric Christopher <echristo@redhat.com>
2600 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2601 config/mips/crti.asm: Ditto.
2603 2001-08-28 Eric Christopher <echristo@redhat.com>
2604 Richard Henderson <rth@redhat.com>
2606 * c-pragma.h (add_weak): Move prototype from here...
2607 * output.h (add_weak): ... to here.
2608 * varasm.c (add_weak): Fix typo.
2609 * config/mips/crti.asm: New file.
2610 * config/mips/crtn.asm: Ditto.
2611 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2612 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2613 (INVOKE__main): Ditto.
2614 (INIT_SECTION_ASM_OP): New.
2615 (FINI_SECTION_ASM_OP): Ditto.
2616 (STARTFILE_SPEC): Add crti.
2617 (ENDFILE_SPEC): Add crtn.
2618 * config/mips/elf64.h: Same.
2619 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2621 * config/mips/vxworks.h: Ditto.
2622 * config/mips/t-elf: Support crti and crtn.
2624 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2626 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2629 2001-08-28 Richard Henderson <rth@redhat.com>
2631 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2632 (one_cmplbi2 splitter): Remove redundant test.
2634 2001-08-28 Dale Johannesen <dalej@apple.com>
2636 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2638 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2640 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2642 2001-08-28 Stan Shebs <shebs@apple.com>
2644 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2645 (UNALIGNED_SHORT_ASM_OP): Define.
2646 (UNALIGNED_INT_ASM_OP): Define.
2648 2001-08-28 Will Cohen <wcohen@redhat.com>
2650 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2651 generation for first set.
2653 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2655 * flow.c (redirect_edge_succ_nodup): Return new edge.
2656 (try_simplify_condjump): Use new edge.
2657 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2659 * cse.c (cse_basic_block): Skip note instructions.
2661 2001-08-27 Richard Henderson <rth@redhat.com>
2663 * combine.c (combine_simplify_rtx): Don't reverse condition
2664 if there is no reverse for the condition.
2665 (simplify_comparison): Don't simplify subregs from INT to FP.
2667 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2668 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2669 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2670 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2671 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2672 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2674 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2676 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2677 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2679 (adddi_dilshr32, adddi_dishl32): Only data register can be
2680 source for mem destination.
2682 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2683 and use bitnum to decide about register move.
2685 2001-08-27 Richard Henderson <rth@redhat.com>
2687 * genattr.c (main): Emit state_t even when not doing scheduling.
2689 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2690 Richard Henderson <rth@redhat.com>
2692 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2693 (reg_avail_info, current_bb): ... these.
2694 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2695 (compute_hash_table): Likewise.
2697 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2699 * flow.c (verify_flow_info): Use checksums to verify edges.
2701 2001-08-27 Richard Henderson <rth@redhat.com>
2703 * genautomata.c (expand_automata): Always create a description.
2705 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2707 * optabs.c (expand_binop): Correctly handle the carry in multiword
2708 add/subtract operations.
2710 2001-08-27 Fred Fish <fnf@be.com>
2712 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2715 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2717 * reload.c (find_reloads_toplev): Back out this change:
2719 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2721 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2722 mem if the address is a mode_dependent_address_p.
2724 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2726 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2727 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2728 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2731 * genattr.c (main): New variable num_insn_reservations. Increase
2732 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2733 pipeline hazard recognizer interface.
2735 * genattrtab.h: New file.
2737 * genattrtab.c: Include genattrtab.h.
2738 (attr_printf, check_attr_test, make_internal_attr,
2739 make_numeric_value): Move protypes into genattrtab.h. Define them
2741 (num_dfa_decls): New global variable.
2742 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2743 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2744 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2745 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2747 * genautomata.c: New file.
2749 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2751 * sched-int.h: (curr_state): Add the external definition for
2752 automaton pipeline interface.
2753 (haifa_insn_data): Add comments for members blockage and units.
2755 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2756 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2757 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2758 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2759 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2760 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2761 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2763 (TARGET_SCHED): Use the new macros.
2765 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2766 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2767 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2768 dfa_bubble): New members in gcc_target.sched.
2770 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2771 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2772 (insn_queue): Redefine it as pointer to array.
2773 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2775 (max_insn_queue_index_macro_value): New variable.
2776 (curr_state, dfa_state_size, ready_try): New varaibles for
2777 automaton interface.
2778 (ready_element, ready_remove, max_issue): New function prototypes
2779 for automaton interface.
2780 (choose_ready): New function prototype.
2781 (insn_unit, blockage_range): Add comments.
2782 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2783 FUNCTION_UNITS_SIZE == 0.
2784 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2785 actual_hazard, potential_hazard): Add comments.
2786 (insn_cost): Use cost -1 as undefined value. Remove
2787 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2789 (ready_element, ready_remove): New functions for automaton
2791 (schedule_insn): Add new code for automaton pipeline interface.
2792 (queue_to_ready): Add new code for automaton pipeline interface.
2793 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2794 (debug_ready_list): Print newline when the queue is empty.
2795 (max_issue): New function for automaton pipeline interface.
2796 (choose_ready): New function.
2797 (schedule_block): Add new code for automaton pipeline interface.
2798 Print ready list before scheduling each insn.
2799 (sched_init): Add new code for automaton pipeline interface.
2800 Initiate insn cost by -1.
2801 (sched_finish): Free the current automaton state and finalize
2802 automaton pipeline interface.
2804 * sched-rgn.c: Include target.h.
2805 (init_ready_list, new_ready, debug_dependencies): Add new code for
2806 automaton pipeline interface.
2808 * sched-vis.c: Include target.h.
2809 (get_visual_tbl_length): Add code for automaton interface.
2810 (target_units, print_block_visualization): Add comments.
2812 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2813 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2814 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2815 (getruntime.o, genautomata.o): New entries.
2816 (genattrtab.o): Add new dependency file genattrtab.h.
2817 (genattrtab): Add new dependencies. Link it with `libm.a'.
2818 (getruntime.o, hashtab.o): New entries for canadian cross.
2820 * doc/md.texi: Description of automaton based model.
2822 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2824 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2825 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2826 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2827 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2828 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2829 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2830 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2832 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2833 MAX_DFA_ISSUE_RATE): New macro descriptions.
2835 * doc/contrib.texi: Add dfa based scheduler contribution.
2837 * doc/gcc.texi: Add more information about genattrtab.
2839 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2841 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2844 2001-08-27 Richard Henderson <rth@redhat.com>
2846 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2847 (get_arg_pointer_save_area): New. Create an init it here.
2848 (fix_lexical_addr): Use it.
2849 * function.h: Declare it.
2850 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2851 * stmt.c (expand_nl_goto_receiver): Use it.
2853 2001-08-27 Richard Henderson <rth@redhat.com>
2855 * final.c (final_scan_insn): Don't enter APP_ON mode for
2858 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2859 alignment for assemble_integer for DW_EH_PE_aligned.
2860 * except.c (output_function_exception_table): Likewise.
2862 2001-08-26 Andreas Jaeger <aj@suse.de>
2864 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2866 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2868 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2870 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2872 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2874 (mask64_operand): Likewise.
2875 (rldic_operand): Delete.
2876 (includes_lshift64_p): Delete.
2877 (includes_rldic_lshift_p): New function.
2878 (includes_rldicr_lshift_p): New function.
2879 (print_operand): Don't call rldic_operand in case 'W'.
2880 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2881 (includes_lshift64_p): Remove.
2882 (includes_rldic_lshift_p): Declare.
2883 (includes_rldicr_lshift_p): Declare.
2884 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2885 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2886 Replace match_operand rldic_operand predicate with
2887 const_int_operand. Replace includes_lshift64_p condition with
2888 includes_rldic_lshift_p.
2889 <ashldi3_internal 64 bit rldicr patterns>: New.
2891 2001-08-27 Andreas Jaeger <aj@suse.de>
2893 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2894 * errors.c: Likewise.
2895 * final.c: Likewise.
2896 * dwarf2asm.c: Likewise.
2897 * doprint.c (checkit): Likewise.
2898 * diagnostic.c: Likewise.
2899 * collect2.c: Likewise.
2900 * calls.c: Likewise.
2901 * c-semantics.c (build_stmt): Likewise.
2902 * c-format.c (status_warning): Likewise.
2903 * c-errors.c (pedwarn_c99): Likewise.
2904 * builtins.c (validate_arglist): Likewise.
2905 * config/pj/pj.c (pj_printf): Likewise.
2906 * fix-header.c: Likewise.
2908 * gcov.c (fnotice): Likewise.
2909 * gensupport.c (message_with_line): Likewise.
2910 * mips-tfile.c: Likewise.
2911 * protoize.c (notice): Likewise.
2912 * read-rtl.c (fatal_with_file_and_line): Likewise.
2913 * rtl-error.c: Likewise.
2914 * tradcpp.c: Likewise.
2916 * cp/tree.c (build_min_nt): Likewise.
2917 (build_min): Likewise.
2918 * cp/lex.c: Likewise.
2919 * cp/errfn.c: Likewise.
2920 * cp/rtti.c (create_pseudo_type_info): Likewise.
2922 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2924 * df.c (df_uses_record): Return after recording all uses
2927 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2929 * df.c (df_insn_modify): Realloc the INSN table here, if
2930 necessary, here, too.
2932 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2934 * config/mips/mips.c (mips_function_value): Handle complex return
2937 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2939 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2941 * reload.c (make_memloc): Copy result if it is still
2942 reg_equiv_memory_loc[regno] on return.
2943 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2944 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2945 reg_equiv_mem are modified by the substitutions.
2947 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2949 * predict.c (expensive_function_p): New.
2950 * rtl.h (expensive_function_p): Declare.
2951 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2952 (use_fast_prologue_epilogue): New static variable.
2953 (expand_prologue): Set it; emit short prologues if unset.
2954 (expand_epilogue): Likewise.
2956 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2958 * config.gcc: Add stormy16-*-elf case.
2959 * config/stormy16/stormy-abi: New file.
2960 * config/stormy16/stormy16-lib2.c: New file.
2961 * config/stormy16/stormy16-protos.h: New file.
2962 * config/stormy16/stormy16.c: New file.
2963 * config/stormy16/stormy16.h: New file.
2964 * config/stormy16/stormy16.md: New file.
2965 * config/stormy16/t-stormy16: New file.
2967 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2969 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2971 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2973 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2974 descriptor members are pointer size, not constant 4.
2975 * config/rs6000/rs6000.md (define_splits): Remove more unused
2978 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2980 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2982 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2984 * cp/rtti.c (VPARAMS): Fix parameter.
2986 2001-08-24 Zack Weinberg <zackw@panix.com>
2988 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2990 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2992 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2993 in if controlling use of insv.
2994 (extract_bit_field): Likewise, for extv and extzv.
2996 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2998 * i386.md (movcc peep2): Fix load of 0.
3000 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3002 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
3003 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
3005 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
3007 * c-pragma.h: Move weak_syms and weak_decls...
3008 * varasm.c: ...here. Now static.
3009 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
3010 depend on HANDLE_PRAGMA_WEAK.
3012 * c-common.c (c_alignof, c_alignof_expr): Move here...
3013 * c-typeck.c: ...from here.
3014 * c-tree.h, c-common.h: Adjust.
3016 2001-08-23 Bernd Schmidt <bernds@redhat.com>
3018 * config/ia64/ia64.c (rws_update): If !pred, set write_count
3019 instead of incrementing it.
3021 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
3022 asm ready, don't try to move them all into the same array element.
3024 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3026 * function.c (thread_prologue_and_epilogue_insns): Avoid
3027 fallthru flag on edge to exit.
3029 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
3031 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
3034 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3036 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
3037 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
3038 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
3041 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3043 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
3044 replace "GNU CC" with "GCC".
3046 2001-08-23 Richard Henderson <rth@redhat.com>
3048 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
3049 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
3050 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
3051 Need GR between FR and not GR_AND_FR.
3052 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
3053 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
3054 AR regs before GR regs.
3055 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3056 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
3057 (REGISTER_MOVE_COST): Update.
3058 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
3060 2001-08-23 Richard Henderson <rth@redhat.com>
3062 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
3065 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3067 * reload1.c (emit_reload_insns): Don't look for notes
3068 on a NULL store_insn.
3070 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3072 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
3073 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
3074 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
3075 format specifier warnings.
3076 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
3078 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
3080 * config/i386/i386-protos.h: Correct declaration of
3081 i386_pe_asm_named_section.
3083 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
3085 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
3087 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3089 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3091 * cpperror.c (print_location): Don't show _Pragma.
3092 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
3093 and file change callback generation here.
3094 (stack_include_file): Update use of cpp_push_buffer.
3095 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
3096 (struct cpp_buffer): Remove type, pfile members.
3097 * cppinit.c (cpp_handle_option): Use free_chain.
3098 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
3099 (skip_escaped_newlines, get_effective_char, lex_percent): Take
3100 a cpp_reader rather than a cpp_buffer.
3101 (skip_escaped_newlines, get_effective_char, skip_block_comment,
3102 skip_line_comment, parse_string, lex_percent, lex_dot,
3103 _cpp_lex_token): Update accordingly.
3104 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
3106 (cpp_push_buffer): Update prototype.
3107 (run_directive): Update use of cpp_push_buffer.
3108 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
3109 handle_assertion): Update use of run_directive.
3110 * cpplib.h (enum cpp_buffer_type): Remove.
3111 (cpp_push_buffer): Update prototype.
3112 * fix-header.c (read_scan_file): Update.
3114 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3116 * gcc.c (struct prefix_list): Change prefix to const char *.
3118 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3120 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
3122 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
3124 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
3127 * jump.c (squeeze_notes): Take parms by reference. Handle END being
3130 * ifcvt.c (dead_or_predicable): Adjust.
3131 * loop.c (find_and_verify_loops): Adjust.
3132 * stmt.c (expand_end_case): Adjust.
3133 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
3134 head and end insn pointers in the basic block, not just local copies.
3135 (merge_blocks_move_predecessor_nojumps): Likewise.
3137 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
3139 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
3140 bitmap.h, builtin-types.def, builtins.c, builtins.def,
3141 c-aux-info.c, c-common.c, c-common.def, c-common.h,
3142 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
3143 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
3144 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
3145 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
3146 conditions.h, config.gcc, configure.frag, configure.in,
3147 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
3148 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
3149 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
3150 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
3151 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
3152 emit-rtl.c, errors.c, errors.h, except.c, except.h,
3153 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
3154 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
3155 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
3156 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
3157 gencheck.c, gencodes.c, genconfig.c, genemit.c,
3158 genextract.c, genflags.c, gengenrtl.c, genmultilib,
3159 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
3160 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
3161 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
3162 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
3163 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
3164 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
3165 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
3166 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
3167 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
3168 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
3169 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
3170 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
3171 params.h, predict.c, predict.def, predict.h, prefix.c,
3172 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
3173 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
3174 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
3175 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
3176 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
3177 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
3178 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
3179 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
3180 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
3181 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
3182 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
3183 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
3184 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
3185 xcoffout.h: replace "GNU CC" with "GCC".
3187 2001-08-21 Richard Henderson <rth@redhat.com>
3189 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
3190 (final_scan_insn): Consider jump tables data even if we have no
3191 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
3193 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
3194 (ASM_OUTPUT_CASE_END): Remove.
3195 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
3196 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
3197 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
3199 2001-08-21 Richard Henderson <rth@redhat.com>
3201 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
3202 at barrier insns. Emit stop bits before barriers.
3204 * flow.c (flow_find_cross_jump): Don't consider unconditional
3205 return insns for commoning.
3207 * final.c (compute_alignments): Fix typo.
3209 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
3210 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
3211 (store_bit_field): Use mode_for_extraction more places.
3212 (extract_bit_field): Likewise.
3214 2001-08-21 Zack Weinberg <zackw@panix.com>
3216 * caller-save.c: Don't include insn-codes.h.
3217 (reg_save_code, reg_restore_code): Make arrays of int.
3218 All uses updated to match.
3219 (insert_save, insert_restore): No need to initialize "code"
3220 variable upon declaration.
3221 * Makefile.in: update dependencies; fix typo in clean rule.
3223 2001-08-21 Richard Henderson <rth@redhat.com>
3225 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
3226 (merge_if_block): Handle fallout from same.
3228 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3230 * builtins.c (type_to_class): Fix typo in last change.
3232 2001-08-21 Richard Henderson <rth@redhat.com>
3234 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
3235 ia64_asm_output_label.
3237 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
3238 copy of gp while the real gp register contains garbage.
3240 2001-08-21 Zack Weinberg <zackw@panix.com>
3242 * expmed.c (mode_for_extraction): New function.
3243 (store_bit_field, extract_bit_field): Use it.
3244 * expr.h: Prototype it and provide an enum for its first argument.
3246 * combine.c, function.c, recog.c: Don't include insn-codes.h.
3247 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
3248 and digging through the insn_data tables.
3249 * Makefile.in: Update dependencies.
3251 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3253 * cppfiles.c (stack_include_file): line-map.c now handles include
3255 (handle_missing_handler): Similarly.
3256 (_cpp_execute_include): Similarly.
3257 (_cpp_pop_file_buffer): Similarly.
3258 * cpphash.h (struct cpp_reader): Remove system_include_depth,
3259 buffer_stack_depth and include_depth.
3260 * cpplib.c (do_include_common): line-map.c now handles include depth.
3261 (cpp_push_buffer): Similarly.
3262 (_cpp_pop_buffer): Similarly.
3263 * cppmacro.c (builtin_macro): Update.
3264 * line-map.c (init_line_maps): Set depth.
3265 (add_line_map): Increment "used" earlier. Update and use the
3267 (trace_include): Use the include depth.
3268 * line-map.h (struct line_maps): New member depth.
3270 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3272 * cppfiles.c (stack_include_file): Don't handle -H here.
3273 * cppinit.c (cpp_start_read): Set include tracing after
3274 cpp_post_options and after stacking the main file.
3275 * line-map.c (trace_include): New.
3276 (init_line_maps, add_line_map): Update.
3277 * line-map.h (struct line_maps): New member trace_includes.
3279 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3281 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
3282 * cppfiles.c (stack_include_file): Only stack a file if there
3283 is something to do. Return a boolean indicating whether a
3284 buffer was stacked or not.
3285 (_cpp_execute_include): Similarly.
3286 (_cpp_read_file): Similarly.
3287 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
3289 2001-08-21 Sam Steingold <sds@gnu.org>
3291 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
3292 (RECACHE): keep obufp_before_macroname up to date
3294 2001-08-21 Zack Weinberg <zackw@panix.com>
3296 * stmt.c: Don't include insn-codes.h.
3297 (expand_end_case): Machine specific logic moved to expr.c.
3298 No need to worry about __builtin_classify_type.
3299 (check_for_full_enumeration_handling, emit_case_nodes):
3302 * builtins.o (expand_builtin_classify_type): Split up so code
3303 can be shared with fold_builtin_classify_type.
3304 (type_to_class, fold_builtin_classify_type): New functions.
3305 (fold_builtins): Handle __builtin_classify_type.
3307 * expr.c (do_tablejump): Now static.
3308 (case_values_threshold, try_casesi, try_tablejump): New;
3309 code mostly from stmt.c (expand_end_case).
3310 (expr.h): Update prototypes.
3312 * Makefile.in (stmt.o): Update dependencies.
3314 2001-08-21 Will Cohen <wcohen@redhat.com>
3316 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3317 declaration of variable i.
3318 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3319 declaration of variable i.
3321 2001-08-21 Richard Henderson <rth@redhat.com>
3323 * crtstuff.c: Fix thinko last change. Move list tails to start
3324 of CRT_END section. Tidy ifdefs.
3325 (__EH_FRAME_BEGIN__): Always static for ELF.
3326 (__do_global_ctors_1): Rename from __frame_dummy.
3327 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3328 name change; don't hide __EH_FRAME_BEGIN__.
3330 2001-08-21 Richard Henderson <rth@redhat.com>
3332 * gdbinit.in: Move break on exit after break on fancy_abort.
3334 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3337 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3339 * cpphash.h (_cpp_push_next_buffer): New.
3340 * cppinit.c (do_includes): Remove.
3341 (push_include, free_chain, _cpp_push_next_buffer): New.
3342 (cpp_start_read): Use them to rework command line option handling.
3343 (cpp_handle_option): Combine handling of -include and -imacros.
3344 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3345 appropriate. Always insert missing \n at EOF.
3346 * cpplib.c (start_directive): Get the directive position right.
3347 * cppmain.c (cb_file_change): Always print the first line, unless
3350 2001-08-20 Andreas Jaeger <aj@suse.de>
3352 * profile.c (compute_branch_probabilities): Remove extra new-line
3354 * flow.c (verify_flow_info): Likewise.
3356 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3358 * basic-block.h (basic_block): Add new field 'flags'.
3359 (BB_REACHABLE): Define.
3360 (expunge_block): Declare.
3361 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
3362 (EXIT_BLOCK_PTR): Ditto.
3363 (expunge_block): Remove static declaration.
3364 (cleanup_cfg): Clear bb->aux on every basic block.
3365 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
3366 computing reachability.
3367 (delete_unreachable_blocks): Delete block b if b->flags has
3370 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3372 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3374 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3376 * sparc.c (sparc_variable_issue): Fix typo in last change.
3378 2001-08-20 Richard Henderson <rth@redhat.com>
3380 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
3382 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
3384 * pa.h (RETURN_IN_MEMORY): Improve comment.
3386 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3388 * doc/invoke.texi (Profiling options): Clarify the interactions
3389 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3391 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3393 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3396 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3398 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3401 2001-08-20 Richard Henderson <rth@redhat.com>
3403 * final.c (end_final): Fix typo last change.
3405 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3407 * cppinit.c (init_standard_includes): The returned buffer
3408 is already malloc-ed.
3409 * gcc.c (add_prefix): Similarly.
3410 * prefix.c (translate_name): Update to support clear buffer
3412 (update_path): Similarly. Be sure to free any newly allocated
3413 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3415 * prefix.h (update_path): Update prototype and document.
3416 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3417 up and update to new buffer ownership rules.
3418 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3420 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3422 * final.c (compute_alignments): New function.
3423 (init_insn_lengths): Do not care label_align.
3424 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3425 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3426 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3427 (shorted_branches): Realloc label_align array; do
3428 not call init_insn_lengths; Do not care about loop alignments.
3429 * output.h (compute_alignments): Declare.
3430 * toplev.c (rest_of_compilation): Call compute_alignments.
3431 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3433 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3434 change visited to tovisit.
3435 (propagate_freq): Use faster traversing algorithm.
3436 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3437 to tovisit; reverse meaning.
3439 * predict.c (struct block_info_def): Remove nvisited.
3440 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3441 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3443 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3445 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3446 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3447 (TARGET_FUSED_MADD): New.
3448 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3449 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3450 the multiply-add instructions.
3452 2001-08-19 Richard Henderson <rth@redhat.com>
3454 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3455 is aligned to pointer size.
3457 2001-08-19 Richard Henderson <rth@redhat.com>
3459 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3460 display markers during final schedule.
3462 2001-08-19 Richard Henderson <rth@redhat.com>
3464 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3466 2001-08-19 Richard Henderson <rth@redhat.com>
3468 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3470 (ASM_NAME_TO_STRING): Remove.
3471 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3472 in the same string. Remove support for expressions.
3474 2001-08-19 Richard Henderson <rth@redhat.com>
3476 * config/i386/i386.md (tablejump): Make an expander; handle
3477 pic relative addressing here.
3478 (tablejump_1): Rename from tablejump_pic.
3481 2001-08-19 Richard Henderson <rth@redhat.com>
3483 * regclass.c (fix_register): Fix typo.
3485 2001-08-18 Richard Henderson <rth@redhat.com>
3487 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3488 (struct _Unwind_Context): Expand br_loc to hold it.
3489 (uw_frame_state_for): Handle leaf functions better.
3490 (uw_update_reg_address): Update for br_loc change.
3492 2001-08-18 Richard Henderson <rth@redhat.com>
3494 * crtstuff.c: Move list heads before code that uses them.
3495 (__JCR_LIST__): Remove initial null.
3496 (frame_dummy, __frame_dummy): Do java registration here ...
3497 (__do_global_ctors_aux): ... not here.
3499 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3500 (__do_global_dtors_aux): Update to match.
3501 (__JCR_LIST__, __do_jv_register_classes): New.
3503 * config/ia64/crtend.asm (__JCR_END__): New.
3504 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3505 instead of an indirect LTOFF22 reloc.
3507 2001-08-18 Richard Henderson <rth@redhat.com>
3509 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3510 * regclass.c (init_reg_sets_1): Fix typo.
3511 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3512 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3513 (ia64_compute_frame_size): Make ar.unat live when in use.
3514 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3515 for ar.pfs; remove ar.unat handling.
3516 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3518 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3519 * config/ia64/ia64-protos.h: Update decls.
3520 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3521 (sibcall_pic): Likewise.
3523 2001-08-18 Richard Henderson <rth@redhat.com>
3525 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3526 pred_rel_mutex when searching for insn_group_barrier.
3527 * config/ia64/ia64.md (cycle_display): Combine the expander
3530 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3531 bit before asm as needed.
3533 2001-08-18 Richard Henderson <rth@redhat.com>
3535 * timevar.def (TV_MACH_DEP): New.
3536 * toplev.c (rest_of_compilation): Use it.
3537 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3539 2001-08-18 Zack Weinberg <zackw@panix.com>
3541 * unwind-dw2.c (execute_stack_op): Add default aborts to
3542 the inner switches to prevent warnings.
3544 2001-08-18 Richard Henderson <rth@redhat.com>
3546 * timevar.h (struct timevar_time_def): Change element type to float.
3547 (ticks_to_msec, clocks_to_msec): Likewise.
3548 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3549 (get_time): Likewise.
3550 (timevar_print): Adjust zero check and printing to match.
3552 2001-08-18 Zack Weinberg <zackw@panix.com>
3554 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3555 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3556 Eliminate overfull or underfull hboxes.
3558 2001-08-18 Zack Weinberg <zackw@panix.com>
3560 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3562 2001-08-18 Zack Weinberg <zackw@panix.com>
3564 * haifa-sched.c: Convert to target hooks. Macros replaced
3565 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3566 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3567 MD_SCHED_FINISH, and HAVE_cycle_display.
3568 * target-def.h (TARGET_SCHED_ADJUST_COST,
3569 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3570 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3571 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3572 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3573 New hook #defines to be overridden.
3574 (TARGET_SCHED): Bring them all together.
3575 (TARGET_INITIALIZER): Update.
3576 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3577 instead of 'struct rtx_def *' throughout.
3578 (struct sched): New set of hooks for the scheduler.
3579 * Makefile.in (haifa-sched.o): Depend on target.h.
3580 * doc/tm.texi: Document the new scheduler hooks, together in
3581 their own section, instead of scattered around.
3582 Fix a bunch of underfull/overfull hboxes.
3584 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3585 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3586 sparc.h: Don't define any of the old scheduler macros.
3588 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3589 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3590 sparc.c: Create hook functions from code extracted from
3591 corresponding target header, or make existing hooks static, as
3592 appropriate. Set the appropriate entries in targetm.
3594 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3595 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3596 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3597 Remove prototypes for functions which are now static.
3599 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3600 related gunk; the Haifa scheduler is now the only choice.
3602 2001-08-18 Zack Weinberg <zackw@panix.com>
3604 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3605 * genopinit.c: Put floating point divide insns in sdiv_optab.
3606 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3607 * config/gofast.h, config/c4x/c4x.h,
3608 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3609 config/pa/long_double.h, config/rs6000/sysv4.h,
3610 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3611 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3612 (init_optabs): Use init_optabv for overflow-trapping optabs.
3613 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3614 cmp_optab RTX codes so have_insn_for can find them.
3616 * optabs.c (expand_simple_binop, expand_simple_unop,
3617 have_insn_for, gen_sub3_insn): New interfaces.
3618 * expr.h: Prototype new functions.
3619 (enum optab_methods): Move here from optabs.h.
3621 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3622 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3623 Use new functions instead of working directly with optabs.
3624 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3625 unroll.c: Don't include optabs.h.
3626 * caller-save.c, combine.c, function.c, stmt.c: Just include
3627 insn-codes.h, not optabs.h.
3628 * Makefile.in: Update dependencies.
3630 * combine.c (make_compound_operation, simplify_comparison):
3631 Fix typos testing for this or that instruction.
3633 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3635 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3636 generating libgcc.a.
3638 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3640 * except.c (TYPE_HASH): Delete.
3642 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3645 * tree.c (TYPE_HASH): Delete.
3647 * tree.h (TYPE_HASH): Define.
3649 2001-08-18 Graham Stott <grahams@redhat.com>
3651 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3653 (adddi3_internal_2+2): Likewise.
3654 (eh_set_lr_di+1): Likewise.
3656 2001-08-17 Richard Henderson <rth@redhat.com>
3658 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3659 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3660 * dwarf2asm.c: ... here.
3661 * dwarfout.c: Remove them.
3663 * varasm.c (assemble_integer): Add align parameter.
3664 (assemble_real, output_constant, output_constructor): Likewise.
3665 * output.h: Update decls.
3666 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3667 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3668 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3669 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3670 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3673 * final.c (end_final): Abort profile block generation if we
3674 havn't layed it out properly.
3675 * output.h (assemble_eh_integer): Remove stale decl.
3676 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3678 (assemble_integer): Handle unaligned data.
3679 (assemble_real): Abort on unaligned data.
3680 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3682 (default_dtor_section_asm_out_destructor): Use assemble_align.
3683 (default_named_section_asm_out_constructor): Likewise.
3684 (default_ctor_section_asm_out_constructor): Likewise.
3685 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3686 (machopic_asm_out_destructor): Likewise.
3687 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3688 (nextstep_asm_out_destructor): Likewise.
3689 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3690 (vms_asm_out_destructor): Likewise.
3692 2001-08-17 Richard Henderson <rth@redhat.com>
3694 * config/mips/iris6.h (TARGET_IRIX6): New.
3695 (current_section_name, current_section_flags): New.
3696 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3697 (MAX_OFILE_ALIGNMENT): New.
3698 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3699 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3700 (copy_file_data): Split out from
3701 (mips_asm_file_end): ... here.
3702 (mips_asm_file_start): Remove extra .section directive. Use
3703 tmpfile instead of mips_make_temp_file.
3704 (mips_unique_section): Use const char * as needed for warnings.
3705 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3706 re-add align parameter.
3707 (iris6_asm_named_section): New.
3708 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3709 (iris6_asm_output_align, iris6_section_align_1): New.
3710 (iris6_asm_file_start, iris6_asm_file_end): New.
3711 * config/mips/mips-protos.h: Update decls.
3713 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3715 * doc/install.texi (Install GCC): Add links to build status pages.
3717 (Final install): Ditto; request updates for specific info
3719 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3721 * cpperror.c (print_location): Don't take a file name; use the
3723 (_cpp_begin_message): Similarly.
3724 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3725 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3726 (cpp_pedwarn_with_file_and_line): Remove.
3727 * cppfiles.c (stack_include_file): Update; set filename to stdin
3728 here when appropriate.
3729 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3730 (_cpp_begin_message): Don't take a file name.
3731 * cppinit.c: Add comment.
3732 * cpplex.c: Fix end-of-directive indicator.
3733 * cpplib.c: Don't include intl.h.
3734 (run_directive, do_diagnostic): Update.
3735 (do_line): Update to not use nominal_fname.
3736 (cpp_push_buffer): Don't take a filename.
3737 * cpplib.h (struct ht): Remove.
3738 (cpp_push_buffer): Don't take a filename.
3739 (cpp_pedwarn_with_file_and_line): Remove.
3740 * cppmacro.c (struct cpp_macro): Remove file.
3741 (builtin_macro): Update.
3742 (_cpp_create_definition): Update.
3743 * cppmain.c: Correct comment.
3744 * fix-header.c (read_scan_file): Update.
3746 2001-08-17 Kazu Hirata <kazu@hxi.com>
3748 * sbitmap.c: Fix comment formatting.
3749 * sched-deps.c: Likewise.
3750 * sibcall.c: Likewise.
3751 * simplify-rtx.c: Likewise.
3753 * ssa-ccp.c: Likewise.
3754 * stor-layout.c: Likewise.
3755 * timevar.c: Likewise.
3756 * toplev.c: Likewise.
3757 * unwind-dw2.c: Likewise.
3758 * unwind-dw2-fde.c: Likewise.
3759 * varasm.c: Likewise.
3761 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3763 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3764 or larger than an integer in memory.
3766 2001-08-17 Zack Weinberg <zackw@panix.com>
3768 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3769 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3770 * rtl.h: Don't forward-declare union tree_node here. Don't
3771 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3772 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3773 and tree respectively.
3774 * tree.h: Don't forward-declare struct rtx_def here. Don't
3775 typedef tree here. Change all uses of struct rtx_def *,
3776 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3777 and tree respectively.
3779 2001-08-17 Richard Henderson <rth@redhat.com>
3781 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3782 config/mips/openbsd.h: Fix typos last change.
3784 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3786 * doc/invoke.texi (Optimize Options): The default for
3787 -finline-limit is 600.
3789 2001-08-17 Richard Henderson <rth@redhat.com>
3791 * varasm.c (text_section): Allow TEXT_SECTION to override the
3792 printing of TEXT_SECTION_ASM_OP.
3793 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3794 (DATA_SECTION, BSS_SECTION): Remove.
3795 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3796 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3797 Rename from s/_NAME//.
3798 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3799 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3800 (TEXT_SECTION): ... here. New.
3801 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3802 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3803 * config/mips/openbsd.h: Likewise.
3804 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3805 (mips_asm_file_end): Likewise test.
3806 (mips_output_function_epilogue): Likewise. Switch back to data
3807 section after emitting the function.
3809 * doc/tm.texi (Sections): Document TEXT_SECTION.
3811 2001-08-17 Richard Henderson <rth@redhat.com>
3813 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3814 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3816 2001-08-17 Richard Henderson <rth@redhat.com>
3818 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3819 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3820 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3821 Add aligned attribute.
3823 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3825 * config/sh/sh.md: Add modes to unspecs in first insn to match
3826 those in the second.
3828 * Makefile.in: Fix collect2 copy for Cygwin.
3830 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3832 Install the proper patch.
3833 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3834 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3835 (expand_function_start): Likewise.
3836 * stmt.c (expand_decl): Likewise.
3837 * varasm.c (make_decl_rtx): Likewise.
3839 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3841 * final.c: Undo my previous accidental checkin.
3842 * output.h: Likewise.
3843 * tm.texi: Likewise.
3845 2001-08-16 Richard Henderson <rth@redhat.com>
3847 * varasm.c (named_section_flags): Remove align parameter.
3848 * varasm.c, dwarf2out.c: Update all callers.
3849 * output.h: Update prototypes.
3851 * target.h (target.asm_out.named_section): Remove align parameter.
3852 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3853 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3854 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3855 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3856 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3858 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3859 (get_named_section_flags, set_named_section_flags): New.
3860 (named_section_flags): Use them.
3861 (named_section): Do decl vs section flags check here...
3862 (default_section_type_flags): ... not here.
3863 (init_varasm_once): Create in_named_htab.
3864 (resolve_unique_section): Mark reloc unused.
3866 2001-08-16 Richard Henderson <rth@redhat.com>
3868 * varasm.c (force_const_mem): Keep pool alignment in bits.
3869 (output_constant_pool): Use assemble_align.
3871 2001-08-16 Zack Weinberg <zackw@panix.com>
3873 * doc/tm.texi: Remove extra @table command.
3875 2001-08-16 Zack Weinberg <zackw@panix.com>
3877 * final.c (shorten_branches): Clear the end of the label_align
3878 array only if we made it larger. Break up messy expressions
3881 * diagnostic.c (internal_error): Check for error recursion
3882 before doing ICE suppression.
3884 * timevar.c: Timing variables now count in milliseconds.
3885 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3886 (get_time): Not here.
3887 (timevar_print): Don't print any timer whose user, cpu, and
3888 wall times are all zero as displayed.
3889 * timevar.h: Update comment aboout units. Make timevar
3892 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3894 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3895 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3896 (expand_function_start): Likewise.
3897 * stmt.c (expand_decl): Likewise.
3898 * varasm.c (make_decl_rtx): Likewise.
3900 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3902 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3903 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3905 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3907 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3910 2001-08-16 Andreas Jaeger <aj@suse.de>
3912 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3915 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3917 * rtl.h (only_sets_cc0_p): New prototype.
3918 * jump.c (sets_cc0_p): Handle INSN.
3919 (only_sets_cc0_p): New function.
3920 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3921 (tidy_fallthru_edge): Likewise.
3922 * integrate.c (copy_insn_list): Likewise.
3923 * unroll.c (unroll_loop): Likewise.
3924 (copy_loop_body): Likewise.
3926 2001-08-15 Jason Eckhardt <jle@redhat.com>
3928 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3930 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3932 * predict.c (struct block_info_def): Remove nvisited.
3933 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3934 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3936 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3937 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3940 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3942 * predict.def: Update hitrates.
3944 2001-08-15 Richard Henderson <rth@redhat.com>
3946 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3948 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3950 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3951 note from its associated jump.
3953 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3955 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3956 also on 64-bit s390x targets.
3958 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3960 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3962 (arm_expand_prologue): Handled nested functions which take a
3963 variable argument list.
3964 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3965 macro with an invocation of
3966 arm_compute_initial_elimination_offset.
3967 * config/arm/arm-protos.h: Prototype
3968 arm_compute_initial_elimination_offset.
3970 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3972 * doc/install.texi (Specific, avr): Fix markup.
3973 (Specific, c4x): Ditto.
3975 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3977 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3979 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3981 * Makefile.in (OBJS): Add rtl-error.o
3982 (rtl-error.o): New rule.
3983 (diagnostic.o): Adjust dependency.
3984 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3985 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3986 warning_for_asm): Move to...
3987 rtl-error.c: ...here. New file.
3989 2001-08-14 Richard Henderson <rth@redhat.com>
3991 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3992 if USING_SJLJ_EXCEPTIONS.
3994 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3996 * tlink.c (scan_linker_output): Check string for unsatisfied in
3997 addition to undefined and unresolved.
3999 2001-08-14 Graham Stott <grahams@redhat.com>
4001 * libgcc2.c (*): Replace EH_FRAME_SECTION with
4002 EH_FRAME_SECTION_NAME.
4004 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4006 * genattrtab.c (simplify_test_exp_in_temp): New function.
4007 (simplify_test_exp): Avoid explicit use of temporary obstack.
4008 (simplify_cond, insert_right_side, evaluate_eq_attr,
4009 simplify_and_tree, simplify_or_tree, eliminate_known_true):
4010 Use simplify_test_exp_in_temp.
4011 (optimize_attrs): Iterate until expression stabilizes.
4013 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
4015 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
4016 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
4018 2001-08-13 Richard Henderson <rth@redhat.com>
4020 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
4021 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
4022 * config/arm/conix-elf.h: Likewise.
4024 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4026 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
4028 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
4030 * gcse.c (hash_scan_set): Expressions that are set as part of
4031 jump instructions are not available.
4033 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4035 * config/s390/s390.c (print_operand, s390_function_prologue,
4036 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
4038 2001-08-13 Richard Henderson <rth@redhat.com>
4040 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
4041 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
4042 * doc/tm.texi (Exception Region Output): Document it.
4044 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4046 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
4047 DWARF2 instead of stabs by default.
4049 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4051 * config/rs6000/rs6000.c: Include optabs.h.
4053 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4055 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
4056 save/restore routines.
4057 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
4059 2001-08-13 Andreas Jaeger <aj@suse.de>
4061 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
4062 the english is correct.
4064 2001-08-13 Zack Weinberg <zackw@panix.com>
4066 * expr.h: Split out optab- and libfunc-related code to...
4067 * optabs.h, libfuncs.h: ... these new headers.
4069 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
4071 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
4073 * mkconfig.sh: Don't include insn-codes.h from config.h.
4075 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
4076 enum insn_code is available. Move reload_in_optab and
4077 reload_out_optab array declarations to optabs.h.
4078 * regmove.c (gen_add3_insn): Move to optabs.c, export from
4079 there, prototype in expr.h.
4080 * gencodes.c: Cleanup: zap global variables, don't use
4081 printf where puts will do, don't bother defining MAX_INSN_CODE
4082 which nothing uses, let CODE_FOR_nothing get its value implicitly.
4084 * genemit.c, genopinit.c: Include optabs.h in generated file.
4085 * genoutput.c: Include insn-codes.h in generated file.
4086 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
4087 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
4088 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
4089 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
4090 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
4091 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
4093 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
4094 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
4095 config/m88k/m88k.c, config/sparc/sparc.c:
4097 * reload.c: Include expr.h and optabs.h before reload.h.
4098 * config/alpha/alpha.c: Include tree.h before reload.h.
4099 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
4100 and reload.h in that order.
4101 * config/sparc/sparc.c: Include debug.h.
4102 * recog.c: Include insn-codes.h.
4104 2001-08-13 Andreas Jaeger <aj@suse.de>
4106 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
4109 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4111 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
4112 * gcc.c (init_spec): Fix typo in comment.
4113 * varasm.c (data_section): Fix typo in comment.
4115 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4117 * predict.c (dump_prediction): New argument "USED".
4118 (combine_predictions_for_insn): Determine the used heuristics,
4119 output the case no heuristic applied.
4120 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
4122 2001-08-13 Andreas Jaeger <aj@suse.de>
4124 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
4127 2001-08-13 Kazu Hirata <kazu@hxi.com>
4129 * jump.c: Fix formatting.
4131 2001-08-13 Kazu Hirata <kazu@hxi.com>
4133 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
4136 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
4138 * loop.c (check_dbra_loop): Use condjump_label to compute
4141 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
4142 to better document the files they're in.
4144 2001-08-12 Zack Weinberg <zackw@panix.com>
4146 * recog.h (struct insn_operand_data): Shrink 'mode' field
4149 2001-08-12 Kazu Hirata <kazu@hxi.com>
4151 * gcc.c: Fix comment formatting.
4152 * gccspec.c: Likewise.
4155 * genemit.c: Likewise.
4156 * gengenrtl.c: Likewise.
4157 * genrecog.c: Likewise.
4158 * gensupport.c: Likewise.
4159 * ggc-page.c: Likewise.
4160 * global.c: Likewise.
4161 * graph.c: Likewise.
4162 * ifcvt.c: Likewise.
4163 * integrate.c: Likewise.
4165 * libgcc2.c: Likewise.
4167 * mbchar.c: Likewise.
4168 * optabs.c: Likewise.
4169 * predict.c: Likewise.
4170 * prefix.c: Likewise.
4171 * profile.c: Likewise.
4172 * protoize.c: Likewise.
4174 * recog.c: Likewise.
4175 * regclass.c: Likewise.
4176 * regmove.c: Likewise.
4177 * reg-stack.c: Likewise.
4178 * reload1.c: Likewise.
4179 * resource.c: Likewise.
4180 * rtlanal.c: Likewise.
4183 2001-08-12 Kazu Hirata <kazu@hxi.com>
4185 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
4186 a tree representing a constant is passed to the macro.
4188 2001-08-12 Richard Henderson <rth@redhat.com>
4190 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
4191 (rs6000_elf_asm_out_destructor): New.
4192 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
4193 (DTORS_SECTION_ASM_OP): Remove.
4194 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4195 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
4197 2001-08-12 David Edelsohn <edelsohn@gnu.org>
4200 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4201 * gcc.c (set_collect_gcc_options): New function, split out from
4203 Ignore elided switches.
4204 (do_spec_1): Invoke before executing command.
4205 (set_input): Export.
4206 Move declaration ...
4207 * gcc.h (set_input): ... here.
4208 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4211 2001-08-12 Richard Henderson <rth@redhat.com>
4213 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
4214 thinko wrt TARGET_RELOCATABLE.
4216 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
4218 * fix-header.c (cb_file_change): Update prototype.
4220 2001-08-11 Zack Weinberg <zackw@panix.com>
4222 * toplev.c (set_float_handler): Make static.
4223 * toplev.h: Don't prototype set_float_handler.
4225 * simplify-rtx.c: Don't include setjmp.h.
4226 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
4228 (simplify_unary_operation, simplify_binary_operation): Use them,
4229 via do_float_handler.
4231 * fold-const.c: Don't include setjmp.h.
4232 (exact_real_inverse_1): New function.
4233 (exact_real_inverse): Use it, via do_float_handler.
4235 * varasm.c: Don't include setjmp.h.
4236 (assemble_real_1): New function.
4237 (assemble_real): Use it, via do_float_handler.
4238 Call internal_error if we get a trap here.
4240 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
4241 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
4243 2001-08-11 Zack Weinberg <zackw@panix.com>
4245 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
4246 STACK_BOUNDARY if not already defined.
4248 * calls.c, function.c, reload1.c, explow.c: Don't default
4249 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
4250 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
4252 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
4255 * doc/tm.texi: Document that STACK_BOUNDARY is required;
4256 clarify difference between it and PREFERRED_STACK_BOUNDARY.
4258 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4260 * cppmacro.c (enter_macro_context): Push macro expansions even
4263 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4265 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
4266 (rs6000_elf_section_type_flags): Actually return a value.
4268 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4270 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
4271 Clean up code: add missing comments and prototypes, fix warnings,
4272 remove obsolete code, fix spacing to conform to coding style.
4274 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4276 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
4277 and TARGET_ASM_CLOSE_PAREN.
4278 (regclass_map): CC register belongs to class NO_REGS.
4279 (legitimize_pic_address): Don't generate unnecessary moves
4280 (to avoid confusing loop optimization).
4281 (check_and_change_labels): Replace jump_long by indirect_jump.
4282 (s390_final_chunkify): Don't start a new literal pool on section
4283 switch in 64-bit code.
4284 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
4286 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
4287 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
4288 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
4290 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
4291 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
4292 (CONST_COSTS): Fixed incorrect costs.
4294 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
4295 Use emit_jump instead of emit_jump_insn (gen_jump).
4296 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
4297 (to avoid confusing flow analysis).
4298 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
4299 (casesi, casesi_jump): New.
4300 (jump_long): Removed. Functionality merged into indirect_jump.
4301 (indirect_jump): Accept address_operand, not just register_operand.
4302 (cjump_long, icjump_long): Use same logic as indirect_jump.
4303 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4304 Fixed broken setjmp/longjmp handling.
4305 (do_builtin_setjmp_setup): Removed.
4307 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
4308 broken GNU as versions that don't accept .quad with large
4309 negative values. Use hexadecimal output instead.
4310 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4311 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4312 FUNCTION_EPILOGUE): Removed. Now in targetm.
4314 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4316 * config/s390/fixdfdi.h: Add missing copyright statement.
4317 Fix type conflicts on 64-bit. Add missing SFmode routines.
4319 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4322 2001-08-11 Richard Henderson <rth@redhat.com>
4324 * rtl.h (REG_EH_RETHROW): Remove.
4325 * rtl.c (reg_note_name): Update.
4326 * combine.c (distribute_notes): Don't check for it.
4328 2001-08-11 Richard Henderson <rth@redhat.com>
4330 * combine.c (distribute_notes): Place REG_SETJMP.
4332 2001-08-11 Richard Henderson <rth@redhat.com>
4334 * doc/extend.texi (Arrays and pointers implementation): Discourage
4335 relying on sign-extension of pointers.
4337 2001-08-11 H.J. Lu <hjl@gnu.org>
4339 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4341 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4342 RDATA_SECTION_ASM_OP.
4344 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4346 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4347 main manual to work both for info and HTML versions.
4349 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4350 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4352 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4353 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4354 (struct cpp_pool): New member first.
4355 * cppinit.c (append_include_chain): Plug memory leaks.
4356 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
4357 Allocate pragma structures from the (aligned) macro pool to
4358 avoid leaking memory.
4359 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
4360 so we don't leak memory.
4361 * hashtable.c (ht_destroy): New.
4362 * hashtable.h (ht_destroy): New.
4364 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4365 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4367 * c-lex.c (map): Make const.
4368 (cb_file_change): Update for callback passing a line map.
4369 Don't assume we have a previous map. Remove sanity check
4370 about popping too many files.
4371 * cpperror.c (print_location): Make map const.
4372 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
4373 (cpp_make_system_header): Similarly.
4374 (search_from): Similarly.
4375 (_cpp_execute_include): Don't remember where we came from.
4376 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4377 (struct cpp_reader): Make map const.
4378 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4379 * cpplib.c (do_line): Update; line maps now hold sysp.
4380 (cpp_push_buffer): Similarly.
4381 (_cpp_do_file_change): Similarly; callback with map instead.
4382 (cpp_get_line_maps): Constify return value.
4383 (_cpp_pop_buffer): Update.
4384 * cpplib.h (struct cpp_file_change): Remove.
4385 (struct cpp_callbacks): Update.
4386 (cpp_get_line_maps): Constify return value.
4387 * cppmacro.c (_cpp_create_definition): Update.
4388 * cppmain.c (struct printer): Constify map.
4389 (maybe_print_line): Similarly.
4390 (print_line): Similarly. Deduce flags 1 and 2 here.
4391 (cb_file_change): Update.
4392 * line-map.c (free_line_maps): Warn regardless.
4393 (add_line_map): Return pointer to const. When passed NULL to_file
4394 with LC_LEAVE, use the obvious values for the return point so the
4395 caller doesn't have to figure them out.
4396 (lookup_line): Return pointer to const.
4397 (print_containing_files): Take pointer to const.
4398 * line-map.h (struct line_map): New members reason, sysp.
4399 (add_line_map): Return pointer to const.
4400 (lookup_line): Similarly.
4401 (print_containing_files): Take pointer to const.
4403 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4404 Richard Henderson <rth@redhat.com>
4406 * regmove.c (regmove_optimize): Avoid setting a register twice in
4409 2001-08-10 Richard Henderson <rth@redhat.com>
4411 * doc/extend.texi (Arrays and pointers implementation): Document
4412 behavior of pointer/integer conversion.
4414 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4416 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4418 2001-08-10 Richard Henderson <rth@redhat.com>
4420 * doc/extend.texi (C Implementation): New chapter.
4421 * doc/gcc.texi (Top): Link it in.
4423 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4425 * doc/install.texi (Specific): Fix CVS merge botch.
4427 2001-08-10 Richard Henderson <rth@redhat.com>
4429 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4430 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4432 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4434 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4435 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4436 this macro is now required.
4438 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4439 loop.c (find_and_verify_loops), reload.c (reload): Check
4440 for rtx code of CALL_INSN, not CALL, when deciding if we
4441 need to check for REG_SETJMP note.
4443 * gcse.c (compute_hash_table, compute_store_table): Update
4444 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4447 * config/avr/avr.c: Fix typo.
4448 * config/convex/convex.c (expand_movstr): Use adjust_address.
4449 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4451 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4452 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4454 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4455 Do define STACK_BOUNDARY.
4456 * config/i370/i370.c: Include expr.h.
4457 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4458 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4459 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4460 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4461 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4462 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4463 * config/romp/romp.c: Include expr.h after tree.h.
4465 (output_fpop): Use xmalloc, not oballoc.
4466 * config/we32k/we32k.c: Include expr.h.
4468 2001-08-10 Kazu Hirata <kazu@hxi.com>
4470 * config/h8300/h8300.h: Fix formatting.
4472 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4474 * c-common.h (RETURN_NULLIFIED_P): Lose.
4475 * c-semantics.c (genrtl_return_stmt): Don't check it.
4477 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4479 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4480 (mips_annotate_frame_insn): New function.
4481 (mips_emit_frame_related_store): New function.
4482 (save_restore_insns): Don't mark instructions that set up the base
4483 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4484 the store instructions instead.
4485 (mips_expand_prologue): If the stack size is moved into a temporary
4486 register, do not mark that move as frame-related. Add a
4487 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4489 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4491 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4492 stack slot as unchanging if current_function_calls_eh_return.
4494 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4496 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4497 access the second half of the TFmode scratch operand.
4499 2001-08-10 Anthony Green <green@redhat.com>
4501 * java/class.c (emit_register_classes): Conditionalize code on
4504 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4506 * doc/install.texi (Specific, avr): Fix cross-reference to the
4507 main manual to work both for info and HTML versions.
4509 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4511 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4512 and "use_goto" argument.
4513 (expand_null_return, expand_value_return): Update all callers.
4514 * function.c (expand_function_end): Remove code to generate simple
4516 * config/vax/vax.md (epilogue): New expander for function return.
4517 * doc/md.texi (epilogue): Remove "if defined".
4519 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4521 * Makefile.in: Partially revert my previous change:
4522 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4523 of the hashtab.o and safe-ctype.o rules.
4525 2001-08-09 Richard Henderson <rth@redhat.com>
4527 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4528 (USE_COLLECT2): Remove duplicate definition.
4529 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4530 (use_collect2): Remove dead code.
4531 * configure.in (use_collect2): Remove will_use_collect2 and
4532 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4533 * configure: Rebuild.
4535 * target.h (targetm.asm_out.constructor): New.
4536 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4537 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4538 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4539 * varasm.c (in_ctors, in_dtors): New.
4540 (assemble_constructor, assemble_destructor): Remove.
4541 (default_stabs_asm_out_destructor): New.
4542 (default_named_section_asm_out_destructor): New.
4543 (dtors_section, default_dtor_section_asm_out_destructor): New.
4544 (default_stabs_asm_out_constructor): New.
4545 (default_named_section_asm_out_constructor): New.
4546 (ctors_section, default_ctor_section_asm_out_constructor): New.
4547 * output.h: Update declarations.
4548 * c-decl.c (c_expand_body): Use target hooks instead of
4549 assemble_constructor and assemble_destructor.
4550 * profile.c (output_func_start_profiler): Likewise.
4551 * objc/objc-act.c (finish_objc): Likewise.
4552 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4553 for the constructor.
4554 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4556 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4557 (DTORS_SECTION_ASM_OP): Likewise.
4558 (__CTOR_LIST__): Use attribute section when possible.
4559 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4561 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4562 ASM_OUTPUT_CONSTRUCTOR.
4564 * config/darwin.c (machopic_asm_out_constructor): New.
4565 (machopic_asm_out_destructor): New.
4566 * config/darwin-protos.h: Update declarations.
4567 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4568 (ASM_OUTPUT_DESTRUCTOR): Remove.
4569 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4570 * config/nextstep.c (nextstep_asm_out_constructor): New.
4571 (nextstep_asm_out_destructor): New.
4572 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4573 (ASM_OUTPUT_DESTRUCTOR): Remove.
4574 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4575 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4576 ASM_OUTPUT_*STRUCTOR.
4577 * config/i386/aix386ng.h: Likewise.
4579 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4580 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4581 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4582 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4583 * config/lynx.h: Likewise.
4584 * config/netware.h: Likewise.
4585 * config/psos.h: Likewise.
4586 * config/alpha/alpha-interix.h: Likewise.
4587 * config/alpha/elf.h: Likewise.
4588 * config/arc/arc.h: Likewise.
4589 * config/arm/aof.h: Likewise.
4590 * config/arm/coff.h: Likewise.
4591 * config/arm/elf.h: Likewise.
4592 * config/c4x/c4x.h: Likewise.
4593 * config/h8300/h8300.h: Likewise.
4594 * config/i386/cygwin.h: Likewise.
4595 * config/i386/djgpp.h: Likewise.
4596 * config/i386/i386-coff.h: Likewise.
4597 * config/i386/i386-interix.h: Likewise.
4598 * config/i386/sco5.h: Likewise.
4599 * config/i386/vsta.h: Likewise.
4600 * config/i386/win32.h: Likewise.
4601 * config/i960/i960-coff.h: Likewise.
4602 * config/ia64/sysv4.h: Likewise.
4603 * config/m68hc11/m68hc11.h: Likewise.
4604 * config/m68k/coff.h: Likewise.
4605 * config/m68k/mot3300.h: Likewise.
4606 * config/m88k/m88k.h: Likewise.
4607 * config/mcore/mcore-pe.h: Likewise.
4608 * config/mcore/mcore.h: Likewise.
4609 * config/mips/elf.h: Likewise.
4610 * config/mips/elf64.h: Likewise.
4611 * config/mips/iris6.h: Likewise.
4612 * config/pa/pa64-hpux.h: Likewise.
4613 * config/rs6000/sysv4.h: Likewise.
4614 * config/sh/sh.h: Likewise.
4615 * config/sparc/litecoff.h: Likewise.
4617 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4618 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4619 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4620 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4621 (ASM_OUTPUT_DESTRUCTOR): Remove.
4622 * config/a29k/a29k.c: Move include of tree.h.
4623 * config/a29k/udi.h: Delete file.
4624 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4625 (vms_asm_out_destructor): New.
4626 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4627 (EXTRA_SECTION_FUNCTIONS): Likewise.
4628 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4629 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4630 * config/c4x/c4x.c: Move include of tree.h.
4631 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4632 (clix_asm_out_destructor): New.
4633 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4634 (ASM_OUTPUT_DESTRUCTOR): Remove.
4635 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4636 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4637 (TARGET_ASM_CONSTRUCTOR): New.
4638 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4639 (sco_asm_out_constructor): New.
4640 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4641 * config/i386/svr3gas.h: Remove stack grows up code.
4642 Remove code duplicated from i386/sysv3.h.
4643 (TARGET_ASM_CONSTRUCTOR): New.
4644 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4645 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4646 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4647 (TARGET_ASM_CONSTRUCTOR): New.
4648 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4649 (m68hc11_asm_out_destructor): New.
4650 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4651 (TARGET_ASM_DESTRUCTOR): New.
4652 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4653 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4654 config/svr3.h pertaining to section manipulation.
4655 * config/m68k/dpx2g.h: Remove #if 0 code.
4656 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4657 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4658 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4659 (TARGET_ASM_CONSTRUCTOR): New.
4660 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4661 (m88k_svr3_asm_out_constructor): New.
4662 (m88k_svr3_asm_out_destructor): New.
4663 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4664 (ASM_OUTPUT_DESTRUCTOR): Remove.
4665 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4666 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4667 * config/rs6000/aix.h: Likewise.
4668 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4669 * config/mips/vxworks.h: Likewise.
4670 * config/rs6000/lynx.h: Likewise.
4671 * config/sh/elf.h: Likewise.
4672 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4673 (DTORS_SECTION_ASM_OP): New.
4674 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4675 (ASM_OUTPUT_DESTRUCTOR): Remove.
4676 * config/sparc/sol2-sld-64.h: Likewise.
4677 * config/vax/vax.c (vms_asm_out_constructor): New.
4678 (vms_asm_out_destructor): New.
4679 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4680 (ASM_OUTPUT_DESTRUCTOR): Remove.
4681 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4683 * doc/tm.texi (@node Initialization): Update.
4685 2001-08-09 Richard Henderson <rth@redhat.com>
4687 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4688 (__do_global_dtors_aux): Use gp-relative static data to avoid
4689 one dynamic relocation.
4690 (__do_frame_setup): Register Java classes.
4691 * config/alpha/crtend.asm (__JCR_END__): New.
4693 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4695 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4696 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4697 (GEN, STAGESTUFF): Add new files.
4698 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4699 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4700 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4701 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4702 as well as insn-codes.h and insn-flags.h in config.h; and no
4703 extra headers in tconfig.h and hconfig.h.
4705 * gencodes.c: Eliminate code to generate predicate declarations
4706 or #defines for md-file constants.
4707 * genconstants.c, genpreds.c: New files.
4709 * i386.md: Re-order guard expressions such that TARGET_64BIT
4710 comes first, when this permits better optimization. Add
4711 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4712 why this is desirable.
4714 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4716 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4717 (find_fde_for_dso): Remove.
4718 (_Unwind_IteratePhdrCallback): New.
4719 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4720 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4722 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4724 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4725 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4727 2001-08-09 Graham Stott <grahams@redhat.com>
4729 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4730 (vis_no_unit): Use it.
4731 (visualize_no_unit): Add the insn only if room exists.
4733 2001-08-09 Graham Stott <grahams@redhat.com>
4735 * predict.c (estimate_probability): Replace magic numbers with
4736 appropriate enumeration.
4738 2001-08-09 Graham Stott <grahams@redhat.com>
4740 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4742 (EXTRACT_FLAGS): Likewise.
4744 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4746 * config/mips/mips.c (mips_legitimate_address_p): Check for
4747 CONST_INT in last patch.
4749 2001-08-08 Anthony Green <green@redhat.com>
4751 * java/class.c (emit_register_classes): Use assemble_jcr if
4752 possible. Keep the original mechanism as a fallback.
4753 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4754 and weak symbol support.
4755 * crtstuff.c (__JCR_LIST__): Define.
4756 (__JCR_END__): Define.
4757 (_Jv_RegiserClasses): Define weak symbol if possible.
4758 (__do_global_ctors_aux): Register classes for ELF targets with
4759 weak symbol support.
4761 2001-08-08 Kazu Hirata <kazu@hxi.com>
4763 * dbxout.c: Fix comment formatting.
4764 * dependence.c: Likewise.
4766 * diagnostic.c: Likewise.
4767 * dominance.c: Likewise.
4768 * doprint.c: Likewise.
4769 * dwarf2out.c: Likewise.
4770 * dwarfout.c: Likewise.
4771 * emit-rtl.c: Likewise.
4772 * except.c: Likewise.
4773 * explow.c: Likewise.
4774 * expmed.c: Likewise.
4777 * fold-const.c: Likewise.
4778 * function.c: Likewise.
4780 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4782 * global.c (retry_global_alloc): Avoid shadowing allocno.
4784 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4786 * except.c (remove_fixup_regions): Fix typo.
4788 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4790 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4791 unsigned HOST_WIDE_INT to avoid warning.
4792 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4793 * flow.c (set_block_for_new_insns): Likewise.
4795 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4797 * sibcall.c (return_value_pseudo): New static variable.
4798 (skip_copy_to_return_value): Handle return_value_pseudo.
4799 (call_ends_block_p): Ensure that return_value_pseudo is set.
4800 (optimize_sibling_and_tail_recursive_call): Discover the
4801 load of pseudo return value in alternate exit block.
4803 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4805 * calls.c (ECF_ALWAYS_RETURN): New constant.
4806 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4807 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4808 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4809 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4810 * rtl.c (reg_note_name): New name.
4811 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4813 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4815 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4817 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4819 * alias.c (get_alias_set): Return a previously calculated
4820 alias set for a VAR_DECL.
4821 * function.c (gen_mem_addressof): Calculate the alias set before
4824 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4826 * predict.def: Set hitrates according our experimental run.
4828 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4830 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4832 2001-08-08 H.J. Lu <hjl@gnu.org>
4834 * config/mips/mips.c (mips_unique_section): New. Copied from
4837 * config/mips/mips-protos.h (mips_unique_section): New
4840 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4842 * config/mips/little.h: New. Generic little endian mips
4843 targets. Only mips*-*-linux* is converted to use it so far.
4845 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4846 (WCHAR_TYPE): Defined
4847 (WCHAR_TYPE_SIZE): Likewise.
4848 (INIT_SUBTARGET_OPTABS): Likewise.
4849 (BSS_SECTION_ASM_OP): Likewise.
4850 (SBSS_SECTION_ASM_OP): Likewise.
4851 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4852 (ASM_DECLARE_OBJECT_NAME): Likewise.
4853 (UNIQUE_SECTION): Likewise.
4854 (EXTRA_SECTIONS): Likewise.
4855 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4856 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4857 (ASM_OUTPUT_DEF): Likewise.
4858 (HANDLE_SYSV_PRAGMA): Removed.
4859 (NO_IMPLICIT_EXTERN_C): Likewise.
4860 (TARGET_MEM_FUNCTIONS): Likewise.
4861 (STARTFILE_SPEC): Likewise.
4862 (ENDFILE_SPEC): Likewise.
4863 (LIB_SPEC): Likewise.
4864 (INVOKE__main): Likewise.
4865 (CTOR_LIST_BEGIN): Likewise.
4866 (CTOR_LIST_END): Likewise.
4867 (DTOR_LIST_BEGIN): Likewise.
4868 (DTOR_LIST_END): Likewise.
4869 (SET_ASM_OP): Likewise.
4870 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4871 (ASM_OUTPUT_DEF): Likewise.
4872 (ASM_OUTPUT_IDENT): Likewise.
4874 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4875 (CPLUSPLUS_CPP_SPEC): Likewise.
4876 (ASM_APP_ON) Redefine only if not defined.
4877 (ASM_APP_OFF): Likewise.
4878 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4879 (ASM_OUTPUT_IDENT): Likewise.
4881 * config.gcc: Update tm_file for Linux/mips.
4883 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4885 * cselib.c (cselib_record_sets): If insn is predicated, turn
4886 sources into IF_THEN_ELSEs.
4888 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4889 Turn into define_insn_and_split.
4891 * sched-deps.c: Include "cselib.h".
4892 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4893 Use cselib to turn memory addresses into VALUEs.
4894 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4895 * sched-int.h (struct sched_info): New member USE_CSELIB.
4896 * sched-ebb.c (ebb_sched_info): Initialize it.
4897 * sched-rgn.c (rgn_sched_info): Likewise.
4898 * Makefile.in (sched-deps.o): Update dependencies.
4900 * cselib.h (cselib_subst_to_values): Declare.
4901 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4902 that have no value and autoincs to be handled by generating a new
4905 2001-08-08 Graham Stott <grahams@redhat.com>
4907 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4908 within fixed length SEQUENCE.
4910 2001-08-08 Graham Stott <grahams@redhat.com>
4912 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4913 (diagnostic_prefixing_rule): Likewise.
4914 (diagnostic_line_cutoff): Likewise.
4915 (diagnostic_kind_count): Likewise.
4917 2001-08-08 Graham Stott <grahams@redhat.com>
4919 * alias.c (find_base_decl): Delete redundent assignment.
4921 2001-08-08 Graham Stott <grahams@redhat.com>
4923 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4924 (abs): Uppercase and paranthesize macro parameter.
4925 (MEM_DEPENDENCY): Add whitespace.
4927 2001-08-08 Graham Stott <grahams@redhat.com>
4929 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4930 failure check for CONST_INT
4932 2001-08-08 Graham Stott <grahams@redhat.com>
4934 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4935 (libcall_dead_p): Likewise.
4937 (mark_used_regs): Constify fmt.
4938 (find_use_as_address): Likewise.
4940 2001-08-08 Graham Stott <grahams@redhat.com>
4942 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4945 2001-08-08 Graham Stott <grahams@redhat.com>
4947 * combine.c (combine_simplify_rtx): Update comment and
4948 remove erroneous test.
4950 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4952 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4953 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4954 take care to avoid multiple no-newline at EOF warnings in that
4957 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4959 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4960 (emit_library_call_value_1): Likewise.
4961 (emit_call_1): Emit REG_SETJMP note.
4962 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4964 * cselib.c (cselib_process_insn): Likewise.
4965 * flow.c (propagate_block): Likewise.
4966 * loop.c (find_and_verify_loops): Likewise.
4967 * reload.c (find_equiv_regs): Likewise.
4968 * reload1.c (reload): Likewise.
4969 * resource.c (mark_referenced_resources,
4970 mark_set_resources): Likewise.
4971 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4972 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4973 * haifa-sched.c (unlink_other_notes): Likewise.
4974 (reemit_notes): Likewise.
4975 * sched-ebb.c (sched_ebb): Likewise.
4976 * sched-rgc.c (sched_region): Likewise.
4977 * rtl.c (note_insn_name): Likewise.
4978 (reg_note_name): Add REG_SETJMP
4979 * rtl.h (reg_note): Add REG_SETJMP.
4980 (insn_note): Remove NOTE_INSN_SETJMP.
4982 * profile.c (branch_prob): Add fake edges for setjmp.
4984 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4986 * config.gcc: Quote target_cpu_default2 correctly for
4987 powerpc*-*-* targets.
4989 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4991 * cpplib.h, line-map.h: Update comments.
4992 * cppmain.c (printer_init): Move inline.
4993 (maybe_print_line, print_line): Take a map pointer.
4994 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4995 (cb_file_change): Don't use prior value of print.map.
4997 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4999 * doc/install.texi: Document fine-grained multilib configuration.
5001 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5003 * rtlanal.c (find_first_parameter_load): Call note_stores
5004 only on the instructions.
5006 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5008 * alias.c (nonlocal_mentioned_p):
5009 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
5010 * calls.c (emit_call_1): Likewise.
5011 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
5012 * cselib.c (cselib_process_insn): Likewise.
5013 * df.c (df_insns_modify): Likewise.
5014 * flow.c (need_fake_edge_p): Likewise.
5015 (propagate_one_insn): Likewise.
5016 * haifa-sched.c (reemit_notes): Likewise.
5017 * integrate.c (copy_insn_list): Likewise.
5018 * jump.c (delete_prior_computation): Likewise.
5019 * local-alloc.c (validate_equiv_mem): Likewise.
5020 * loop.c (scan_loop): Likewise.
5021 * predict.c (estimate_probability): Likewise.
5022 * reload.c (reload): Likewise.
5023 * sched-deps (sched_analyze): Likewise.
5024 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
5025 * gcse.c (compute_hash_table): Likewise.
5026 (mark_call): Likewise.
5027 (store_killed_in_insn): Likewise.
5029 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
5031 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
5033 2001-08-06 Richard Henderson <rth@redhat.com>
5035 * varasm.c (assemble_gc_entry): Remove.
5036 * output.h: Likewise.
5038 2001-08-06 Richard Henderson <rth@redhat.com>
5040 * varasm.c (assemble_constructor): Take a symbol_ref and a
5041 priority instead of a bare string. Move priority handling
5042 here from cp/decl2.c.
5043 * output.h: Update decls.
5045 * c-decl.c (c_expand_body): Update calls to assemble_constructor
5046 and assemble_destructor.
5047 * profile.c (output_func_start_profiler): Likewise.
5048 * objc/objc-act.c (finish_objc): Likewise.
5049 (build_module_descriptor): Return the symbol not the symbol name.
5051 2001-08-06 David Edelsohn <edelsohn@gnu.org>
5053 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
5054 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
5055 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
5056 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
5057 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
5058 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
5060 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5062 * cpperror.c (print_containing_files): Moved to line-map.c.
5063 (print_location): line-map.c handles re-listing or otherwise.
5064 * cpphash.h (struct lexer_state): Remove next_bol.
5065 (struct cpp_buffer): Remove include_stack_listed.
5066 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
5067 Remove faked buffer handling.
5068 (_cpp_do_file_change): Tweak.
5069 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
5070 * cppmain.c (struct printer): Remove filename.
5071 (print_line, cb_file_change): Update accordingly.
5072 * line-map.c: Include intl.h.
5073 (init_line_maps): Initialize last_listed.
5074 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
5075 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
5076 (print_containing_files): New.
5077 * line-map.h (struct line_maps): New member last_listed.
5078 (print_containing_files, INCLUDED_FROM): New.
5079 * Makefile.in: Update.
5080 * po/POTFILES.in: Add line-map.c.
5082 2001-08-06 Richard Henderson <rth@redhat.com>
5084 * except.c (convert_from_eh_region_ranges_1): Never mark
5085 USE or CLOBBER insns as throwing.
5087 * expr.c (store_constructor): Don't clobber memory targets.
5089 2001-08-06 Andreas Jaeger <aj@suse.de>
5091 * profile.c (branch_prob): Remove unused variable insn.
5093 * Makefile.in (local-alloc.o): Add dependency on except.h.
5095 * local-alloc.c: Include except.h for can_throw_internal prototype.
5097 2001-08-06 Richard Henderson <rth@redhat.com>
5099 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5100 * function.c (expand_main_function): Implement it.
5101 * doc/tm.texi: Document it.
5103 2001-08-06 Stan Shebs <shebs@apple.com>
5105 * doc/install.texi: Document powerpc-*-darwin* details.
5107 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
5109 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
5110 (ASM_CPU_SPEC): Move back to rs6000.h
5111 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
5113 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
5115 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
5118 * config/rs6000/linux64.h: Ditto.
5120 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5121 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
5124 Remove accidently readded definitions of FUNCTION_PROLOGUE,
5125 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
5127 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5130 2001-08-05 Richard Henderson <rth@redhat.com>
5132 * local-alloc.c (update_equiv_regs): Do not move insns that
5135 2001-08-05 Jan Hubicka <jh@suse.cz>
5137 * Makefile.in (reload1.o): Add dedendancy on except.h
5138 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
5140 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
5141 indicating wehther edges has been cleaned up.
5142 * reload1.c: Inlucde except.h
5143 (fixup_abnormal_edges): Accept deleted insns.
5144 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
5147 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5149 * cpplib.c (do_line): Correct line number after pop_buffer.
5151 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5153 PR preprocessor/3824
5154 * line-map.c: Update comments.
5155 * line-map.h: Update comments.
5156 * tradcif.y: Don't consider large numbers unsigned.
5158 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5160 PR preprocessor/3081
5161 * c-lex.c (map): New.
5162 (cb_file_change): Update map and use it.
5163 (cb_def_pragma, cb_define, cb_undef): Use map and line.
5164 (c_lex): Update to use map.
5165 * cpperror.c (print_location): Move to using logical line numbers.
5166 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
5167 (cpp_make_system_header): Similarly.
5168 (_cpp_execute_include): Stop line numbering hacks. Store the
5169 line we will return to.
5170 * cpphash.h (CPP_BUF_LINE): Remove.
5171 (struct cpp_buffer): Remove lineno and pseudo_newlines.
5172 Add map and return_to_line.
5173 (_cpp_do_file_change): Update.
5174 * cppinit.c (cpp_start_read): Update line kludge.
5175 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
5176 (trigraph_ok): Use logical line numbers for diagnostics.
5177 (skip_block_comment): Likewise.
5178 (skip_whitespace): Likewise.
5179 (skip_line_comment): Use pfile->line instead.
5180 (_cpp_lex_token): Update to use logical line numbering exclusively.
5181 Handle BOL locally. Accept new lines in directives, but keep
5182 pfile->line decremented. Diagnostics use logical lines. Update
5184 * cpplib.c (SEEN_EOL): New.
5185 (skip_rest_of_line, check_eol): Use it.
5186 (end_directive): Increase line number when accepting the newline
5187 at the end of a directive.
5188 (run_directive): Simplify.
5189 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
5190 (_cpp_do_file_change): Update to take buffer line number as an
5191 argument, and store the current map in the cpp_reader. Remove
5192 line number kludges.
5193 (_cpp_do__Pragma): Restore output position after a _Pragma.
5194 (cpp_push_buffer): Don't set output line or lineno.
5195 (_cpp_pop_buffer): Transfer more info from a faked buffer.
5196 Remove line kludge. Set output_line.
5197 * cppmacro.c (builtin_macro): Update handling of __LINE__.
5198 (parse_arg): Use logical lines.
5199 (save_lookahead_token): Save EOFs too now.
5200 * cppmain.c (struct printer): Fix comments.
5201 (printer_init): Simplify, let caller do errors.
5202 (scan_translation_unit, check_multiline_token, dump_macro): Update.
5203 (maybe_print_line): Simplify.
5204 (print_line): Don't print a linemarker if -P.
5205 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
5206 (cb_file_change): Simplify.
5207 * line-map.h (LAST_SOURCE_LINE): Fix.
5208 (CURRENT_LINE_MAP): New.
5210 2001-08-05 Bernd Schmidt <bernds@redhat.com>
5212 * doloop.c (doloop_modify_runtime): Properly compute number of
5213 iterations if loop was unrolled.
5215 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
5216 if their CSELIB_VAL_PTRs are.
5218 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
5219 (setup_spill_pointers): Initialize it.
5220 (spill_restore_mem): Set it.
5221 (do_spill, do_restore): Use it to add REG_INC note.
5222 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
5224 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
5225 asms if other insns are available.
5227 * config/ia64/ia64.c (condop_operator): New predicate.
5228 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
5229 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
5232 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
5233 temporary register than directly using a MEM.
5235 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5237 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
5238 parameter in last change.
5240 2001-08-04 Zack Weinberg <zackw@panix.com>
5242 * sparc.md: Don't use #if inside C test expression.
5244 2001-08-04 Richard Henderson <rth@redhat.com>
5246 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
5248 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
5250 * cpphash.h (struct cpp_reader): New member directive_line.
5251 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
5252 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
5253 do_pragma): Pass line to callbacks.
5254 (start_directive): Record line of directive.
5255 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
5256 cb_include): Similarly.
5257 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
5260 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5262 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
5265 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5267 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
5269 * reload1.c (fixup_abnormal_edges): New static function.
5272 * flow.c (need_fake_edge_p): New function.
5273 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
5274 avoid call insn to be very last insn in the insn stream.
5276 * profile.c (branch_prob): Call flow_call_edges_add instead of
5277 doing that by hand; cleanup cfg to re-merge basic blocks once
5280 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5282 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
5283 are also on line-map.h.
5284 * cppfiles.c (stack_include_file): Update.
5285 * cpphash.h (struct cpp_buffer): New member return_at_eof.
5286 (_cpp_pop_buffer): New.
5287 * cppinit.c (cpp_destroy, cpp_finish): Update.
5288 (do_includes): Mark each buffer to return at EOF.
5289 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
5290 return as requested.
5291 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
5292 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
5293 * cpplib.h (cpp_pop_buffer): Remove.
5294 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
5295 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
5297 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
5299 (do_preprocessing): Update.
5300 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5301 * c-parse.in (_yylex): Similarly.
5302 * scan-decls.c (scan_decls): Similarly.
5303 * line-map.h: Update comments.
5305 * objc/Make-lang.in (objc-act.o): Update dependencies.
5307 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5309 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
5310 and soft register for operand 0.
5311 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5313 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5315 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5316 register for operand 0.
5317 ("bitcmpqi_z_used"): Allow memory for operand 0.
5318 (split "bitcmpqi"): New split to handle address reg as operand 1.
5320 2001-08-04 Andreas Jaeger <aj@suse.de>
5322 * gcse.c: Revert Daniel's last patch.
5324 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5326 * sparc-protos.h: Add prototypes for fp_zero_operand and
5328 * sh-protos.h: Add prototype for fpul_operand.
5330 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5332 * doc/extend.texi (Other Builtins): Fix typo in last change.
5334 2001-08-03 Richard Henderson <rth@redhat.com>
5336 * target.h (gcc_target): Add asm_out.named_section,
5337 section_type_flags, have_named_sections.
5338 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5339 (TARGET_HAVE_NAMED_SECTIONS): New.
5340 (TARGET_SECTION_TYPE_FLAGS): New.
5342 * Makefile.in (toplev.o): Depend on TARGET_H.
5343 (varasm.o, dbxout.o): Likewise.
5344 * c-common.c (decl_attributes): Check targetm.have_named_sections
5345 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5346 * dbxout.c (dbxout_function_decl): Likewise.
5347 (dbxout_function_end): Likewise.
5348 * toplev.c (compile_file): Likewise.
5349 * varasm.c (exception_section): Likewise.
5350 * cp/decl2.c (finish_objects): Likewise.
5352 * defaults.h (EH_FRAME_SECTION): Remove.
5353 (EH_FRAME_SECTION_ASM_OP): Remove.
5354 (EH_FRAME_SECTION_NAME): New.
5355 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
5356 (UNIQUE_SECTION_P): Remove.
5357 * dwarf2out.c (SECTION_FORMAT): Remove.
5358 (ASM_OUTPUT_SECTION): Remove.
5359 (output_call_frame_info): Use named_section_flags.
5360 (output_comp_unit, dwarf2out_start_source_file): Likewise.
5361 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
5362 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
5363 * varasm.c (in_eh_frame, eh_frame_section): Remove.
5364 (named_section_flags): New.
5365 (named_section): Use it and targetm.section_type_flags.
5366 (resolve_unique_section): New.
5367 (assemble_start_function): Use it.
5368 (asm_emit_uninitialised, assemble_variable): Likewise.
5369 (default_section_type_flags): New.
5370 (default_no_named_section, default_elf_asm_named_section): New.
5371 (default_coff_asm_named_section, default_pe_asm_named_section): New.
5372 * output.h: Update varasm.c decls.
5373 (SECTION_*): New flags.
5375 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5376 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5378 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5379 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5380 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5381 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5382 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
5383 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
5384 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5385 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5386 * config/pa/pa64-hpux.h,
5388 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5389 (TARGET_ASM_NAMED_SECTION): New.
5390 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5391 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5392 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5393 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5394 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5395 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5396 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5397 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5398 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5399 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5400 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5401 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5402 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5403 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5404 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5405 * config/sparc/sysv4.h: Likewise.
5407 * config/nextstep.h: Error until named sections implemented.
5409 * config/a29k/a29k.c (a29k_asm_named_section): New.
5410 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5411 (vms_section_type_flags, vms_asm_named_section): New.
5412 * config/arm/arm.c (arm_elf_asm_named_section): New.
5413 * config/avr/avr.c (asm_output_section_name): Remove.
5414 * config/avr/avr-protos.h: Update.
5415 * config/c4x/c4x.c (c4x_asm_named_section): New.
5416 * config/h8300/h8300.c (h8300_asm_named_section): New.
5417 * config/i386/i386.c (sco_asm_named_section): New.
5418 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5419 (i386_pe_section_type_flags): New.
5420 (i386_pe_asm_named_section): New.
5421 * config/i386/i386-protos.h: Update.
5422 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5423 * config/mcore/mcore.c (mcore_asm_named_section): New.
5424 * config/mips/mips.c (iris6_asm_named_section): New.
5425 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5426 instead of UNIQUE_SECTION_P.
5427 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5428 (xcoff_asm_named_section): New.
5429 * config/sh/sh.c (sh_asm_named_section): New.
5430 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5432 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5433 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5434 (EH_FRAME_SECTION_NAME): New.
5435 (EXCEPTION_SECTION): New.
5436 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5437 (DEBUG_*_SECTION): Remove.
5438 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5439 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5440 (EH_FRAME_SECTION_ASM_OP): Remove.
5442 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5443 (ASM_OUTPUT_SECTION_NAME): Remove.
5444 (TARGET_ASM_NAMED_SECTION): New.
5445 (TARGET_HAVE_NAMED_SECTIONS): New.
5446 (TARGET_SECTION_TYPE_FLAGS): New.
5447 (EH_FRAME_SECTION_ASM_OP): Remove.
5448 (EH_FRAME_SECTION_NAME): New.
5450 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5452 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5453 for complex expressions when cfun == 0.
5454 * doc/extend.texi: Document that __builtin_constant_p can be
5455 used in data initializers as well as functions.
5457 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5459 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5460 variable I locally, instead of expecting a declaration in the
5463 2001-08-03 Richard Henderson <rth@redhat.com>
5465 * except.c (collect_one_action_chain): Add an explicit cleanup
5466 action if regions surrounding a catch were encoded entirely
5467 within the call-site entry.
5469 2001-08-03 Richard Henderson <rth@redhat.com>
5471 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5472 don't take REGNO of a non-register.
5474 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5476 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5477 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5478 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5479 (__gthread_mutex_init_function): New function for mutex initialization.
5481 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5483 * Makefile.in: Revert screwed up commit.
5485 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5487 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5488 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5489 merged by linker script to get a final _exit().
5490 (__do_global_dtors): New for destructor handling in specific exit
5492 (__do_global_ctors): New for constructors in specific install section.
5493 (__map_data_section): Map data sections before running constructors.
5494 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5495 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5496 (DTORS_SECTION_ASM_OP): Likewise.
5497 (CTORS_SECTION_FUNCTION): Define to force a reference to
5499 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5501 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5503 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5505 * Makefile.in: Add df.h to gcse.c dependencies.
5507 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5509 * varasm.c (output_constant_def_contents): Use for the length of a
5510 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5511 depending on which is larger.
5513 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5515 * gcse.c: Include df.h for use as a dataflow analyzer.
5517 Declaration of reg_set_info: gone.
5518 New df_analyzer variable used by store motion.
5519 (reg_set_info): Deleted.
5520 (mark_mem_regs): New function, analyze regs used by a mem.
5521 (store_ops_ok): Use dataflow analyzer results to determine if
5522 necessary regs are changed in the block.
5523 (find_moveable_store): Remove check for symbol ref, we can handle
5524 much more complex expressions now.
5525 (compute_store_table): Remove most of the code, it's unnecessary
5526 now that the dataflow analyzer records the info for us.
5527 (store_killed_after): Add parameter to say whether to do the
5528 store_ops_okay test, used to speed up testing when we already know
5529 the answer, and just want to know if the store itself was killed.
5530 (build_store_vector): Largely rewritten to calculate the various
5531 vectors properly, and somewhat optimized.
5532 (store_motion): Init the df_analyzer, get REG_DEF chains.
5533 Also handle trapping expressions (since mems almost always trap)
5534 (simple_mem): Redefine what a simple mem is.
5536 2001-08-03 DJ Delorie <dj@redhat.com>
5538 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5539 set from a constant part of the condition.
5541 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5543 * mkdeps.c (deps_add_default_target): Make local variable
5544 ``start'' a const char pointer.
5545 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5547 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5549 * doc/install.texi (Configuration): Fix markup.
5550 (Specific, i?86-*-udk): Likewise.
5551 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5553 Document --enable-threads and --enable-libgcj status.
5554 (Specific, mips-sgi-irix*): Canonicalize triples.
5555 (Specific, mips-sgi-irix5): Warn about problems with this config.
5556 Mention required GNU as patch.
5557 Native assembler problems are fixed.
5558 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5559 Document --enable-threads and --enable-libgcj status.
5561 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5563 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5566 2001-08-03 Richard Henderson <rth@redhat.com>
5568 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5571 2001-08-03 Richard Henderson <rth@redhat.com>
5573 * rtlanal.c (find_first_parameter_load): Stop if we
5574 reach a CODE_LABEL at BOUNDARY.
5576 2001-08-03 Richard Henderson <rth@redhat.com>
5578 * config/alpha/alpha.md (force_movdi): New insn.
5579 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5580 Tweek FRP marking of VMS prologue insns.
5581 * config/alpha/vms.h (EPILOGUE_USES): New.
5583 2001-08-02 Richard Henderson <rth@redhat.com>
5585 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5587 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5589 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5590 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5591 config/convex/convex.h, config/d30v/d30v.c,
5592 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5593 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5594 config/mips/mips.h, config/mn10200/mn10200.h,
5595 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5596 config/v850/v850.h, config/vax/openbsd.h,
5597 config/vax/openbsd1.h, config/vax/ultrix.h,
5598 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5599 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5600 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5601 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5602 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5603 in comments and documentation.
5605 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5609 * Makefile.in (line-map.o): New.
5610 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5611 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5612 * cpperror.c (print_containing_files): Similarly.
5613 (print_location): Update. Don't output a space before _Pragma.
5614 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5615 (stack_include_filee, cpp_make_system_header): Update.
5616 (_cpp_execute_include): Get logical line number right for calling
5617 as-yet-unterminated #include.
5618 * cpphash.h (struct cpp_reader): Add line_maps.
5619 (_cpp_do_file_change): Update.
5620 * cppinit.c (cpp_create_reader): Initialize line maps.
5621 (cpp_destroy): Destroy line maps.
5622 (cpp_start_read): Get logical line number right.
5623 * cpplex.c (parse_string): Only warn once for multi-line strings.
5624 Use boolean variable for null warning.
5625 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5627 (do_include_common): End the directive early.
5628 (do_line): Don't warn about out-of-range lines in preprocessed
5629 source. Update. Remove unused variables.
5630 (_cpp_do_file_change): Update for new line mapping.
5631 (pragma_cb): New typedef.
5632 (cpp_register_pragma): Stop looking ahead before calling the
5634 (do_pragma_system_header): End directive early.
5635 (cpp_get_line_maps): New.
5636 (cpp_pop_buffer): Fudge logical line. Update.
5637 * cpplib.h: Include line-map.h
5638 (enum cpp_fc_reason): Remove.
5639 (struct cpp_file_change): Update.
5640 (cpp_get_line_maps): New.
5641 * cppmain.c (struct_printer): New member map.
5642 (cb_file_change): Update for new mappings.
5643 * fix-header.c (cb_file_change): Similarly.
5645 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5647 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5648 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5650 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5652 * config/vax/vax.c: include expr.h.
5654 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5656 * Makefile.in ($(srcdir)/configure): Only rebuild in
5658 ($(srcdir)/config.in): Only define in maintainer mode.
5659 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5661 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5663 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5665 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5667 * gcc.c (set_collect_gcc_options): New function, split out from
5669 Ignore elided switches.
5670 (do_spec_1): Invoke before executing command.
5671 (set_input): Export.
5672 Move declaration ...
5673 * gcc.h (set_input): ... here.
5674 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5677 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5680 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5682 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5684 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5686 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5687 for the unnamed instructions it expands to.
5689 2001-08-02 Richard Henderson <rth@redhat.com>
5691 * regclass.c (call_really_used_regs): Conditionally define.
5692 (init_reg_sets_1): Don't use it if not defined.
5693 (fix_register): Similarly, don't set it.
5695 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5697 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5698 Correct comment that had been missed in the previous change.
5700 2001-08-01 Stan Shebs <shebs@apple.com>
5702 * config/darwin.c (machopic_stub_name): Try matching by name.
5703 (update_stubs): New function.
5704 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5707 2001-08-01 Richard Henderson <rth@redhat.com>
5709 * except.c (output_function_exception_table): Use assemble_align.
5710 * varasm.c (assemble_eh_label): Remove.
5711 (assemble_eh_align, assemble_eh_integer): Remove.
5713 2001-08-01 Robert Lipe <robertl@caldera.com>
5715 * dwarfout.c: Remove reference to README.DWARF.
5717 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5719 * regclass.c (call_really_used_regs): New array for registers which
5720 are actually used by a call.
5721 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5723 (fix_register): Set call_really_used too.
5724 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5725 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5727 2001-08-01 Richard Henderson <rth@redhat.com>
5729 * read-rtl.c (read_name): Consider \r whitespace.
5731 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5733 * config.gcc: Recognize powerpc-*-netbsd*.
5735 * doc/install.texi (Host/target specific installation notes for
5736 GCC): Mention powerpc-*-netbsd*.
5738 * config/rs6000/netbsd.h: New file.
5739 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5740 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5741 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5742 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5743 (TARGET_VERSION): Redefine.
5745 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5746 mcall-netbsd as a match for mcall-sysv.
5747 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5748 (ncrti.S, ncrtn.S): New targets.
5749 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5751 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5752 "netbsd' as a V4 ABI.
5753 (ASM_SPEC): Check for -mcall-netbsd.
5754 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5755 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5756 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5757 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5758 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5759 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5760 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5762 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5763 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5765 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5767 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5768 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5769 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5770 including "unwind-pe.h".
5772 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5774 * rs6000.md (define_splits): Kill unused constraints.
5776 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5777 Jan Hubicka <jh@suse.cz>
5779 * function.c (thread_prologue_and_epilogue_insns): Kill code
5780 dealing with non-existent CFG.
5782 2001-08-01 Kazu Hirata <kazu@hxi.com>
5784 * alias.c: Fix comment formatting.
5785 * bitmap.c: Likewise.
5786 * builtins.c: Likewise.
5787 * calls.c: Likewise.
5788 * c-common.c: Likewise.
5789 * c-decl.c: Likewise.
5790 * c-dump.c: Likewise.
5791 * c-lex.c: Likewise.
5792 * collect2.c: Likewise.
5793 * combine.c: Likewise.
5794 * conflict.c: Likewise.
5795 * cppfiles.c: Likewise.
5796 * cppinit.c: Likewise.
5797 * cpplex.c: Likewise.
5798 * cpplib.c: Likewise.
5799 * cppmacro.c: Likewise.
5800 * cppspec.c: Likewise.
5801 * c-pragma.c: Likewise.
5802 * crtstuff.c: Likewise.
5804 * cselib.c: Likewise.
5805 * c-semantics.c: Likewise.
5806 * c-typeck.c: Likewise.
5808 2001-08-01 H.J. Lu <hjl@gnu.org>
5810 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5812 2001-08-01 H.J. Lu <hjl@gnu.org>
5814 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5816 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5818 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5819 contextualizing Objective-C class name lookup by the lexer.
5820 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5822 (protocoldef): Add support for forward @protocol declarations.
5823 (yylexname): Suppress ObjC class name lookup in certain contexts;
5824 re-enable after lookup is complete.
5825 (_yylex): Re-enable ObjC class name lookup when certain
5826 punctuation marks are seen.
5828 * objc/objc-act.c (check_protocol_recursively): New function used
5829 for finding circular dependencies in protocols.
5830 (objc_declare_protocols): New function for handling forward
5831 @protocol declarations.
5832 (receiver_is_class_object): Detect the case when 'self' is used
5833 inside of a class method.
5834 (build_message_expr): Issue a warning if class method is desired
5835 but instance method is found instead.
5836 (conforms_to_protocol): Streamline.
5837 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5838 protocol Foo, even if 'Bar foo' does not.
5839 (check_protocols): Streamline.
5840 (start_protocol): Add checks for circular and duplicate protocol
5842 (encode_aggregate_within): For typedefs of structs, encode the
5844 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5845 (objc_declare_protocols): New prototype.
5847 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5849 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5850 * cpplex.c (handle_newline): Update prototype. Maintain logical
5852 (skip_escaped_newlines, skip_block_comment, parse_string):
5854 (_cpp_lex_token): Update, and store token position within the token.
5855 * cpplib.h (struct cpp_token): Add line and column entries.
5856 * cppmacro.c (replace_args): Position stringified tokens correctly.
5858 2001-08-01 Andreas Jaeger <aj@suse.de>
5860 * basic-block.h: Add prototype for last_loop_beg_note.
5862 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5864 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5865 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5867 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5868 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5869 expand_decl_cleanup.
5870 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5872 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5873 operand while calling simple_cst_equal.
5874 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5875 operand is the cleanup expression, the third is the RTL_EXPR.
5876 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5878 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5880 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5882 2001-07-31 matthew green <mrg@eterna.com.au>
5884 * config.gcc (i386-*-netbsdelf): New description.
5885 * config/i386/netbsd-elf.h: New file.
5887 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5889 * loop.c (check_dbra_loop): Use single_set to compute
5892 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5894 PowerPC reorg and support for powerpc64-*-linux*.
5896 Also fixes emitting of constants on 32 bit and 64 bit
5899 * config.gcc: powerpc64-*-linux* is a new target.
5900 Things that needed aix.h now also include xcoff.h
5902 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5904 Move AIX specific stuff into aix.h.
5905 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5906 with more than just XCOFF now.
5907 (SET_ASM_OP): Remove, now defined where needed.
5908 (FUNCTION_PROLOGUE): New macro definition.
5909 (FUNCTION_EPILOGUE): New macro definition.
5910 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5912 * config/rs6000/xcoff.h: New file.
5914 * config/rs6000/linux64.h: New file.
5916 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5918 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5920 * rs6000.c (print_operand_address): Handle ELF syntax.
5921 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5922 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5923 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5925 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5927 * rs6000.c (rs6000_override_options): Only disable
5928 flag_function_sections for XCOFF.
5929 (exact_log2_cint_operand): New predicate.
5930 (reg_or_{add,sub}_cint64_operand): New predicates.
5931 (add_operand): Compare CONST_INT with fewer function calls.
5932 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5933 (print_operand, case 'p'): Ensure positive operand.
5934 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5935 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5936 (PREDICATE_CODES): Add new predicates.
5937 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5938 (divsi3, modsi3): Ensure positive power-of-2.
5939 (adddi3): Use new predicate. Split 32-bit constants more
5940 correctly. Re-arrange splitter to handle any constant.
5941 (subdi3): Use new predicate.
5942 (divdi3, moddi3): Ensure positive power-of-2.
5943 (movdi): Use rs6000_emit_set_const.
5944 (load_toc_v4_pic_di): Delete.
5946 2001-07-31 Graham Stott <grahams@redhat.com>
5948 * function.c (pad_below): Revert 2001-07-26 patch.
5950 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5952 * reg-stack (convert_regs_1): Fix best edge condition.
5954 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5956 * jump.c (duplicate_loop_exit_test): Better test for jumps
5957 entering the loop; create loop pre_header.
5959 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5961 * doc/install.texi: Add s390 and s390x as new targets.
5962 * doc/invoke.texi: Add documantation of S/390 and zSeries
5964 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5966 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5968 * config/m68k/m68k.md: Replace all general_operand with
5969 nonimmediate_operand for all destinations.
5970 * config/m68k/m68k.c (not_sp_operand): Likewise.
5972 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5974 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5976 2001-07-30 Richard Henderson <rth@redhat.com>
5978 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5979 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5981 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5983 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5984 Add missing doc strings
5985 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5986 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5988 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5990 * i386.c (ix86_output_main_function_alignment_hack): New function.
5991 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5993 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5994 edges by EDGE_DFS_BACK flag.
5995 (dump_edge_info): Add dfs_back flag.
5996 * basic-block.h (EDGE_DFS_BACK): New constant.
5997 (mark_dfs_back_edges): Declare.
5998 * alias.c (loop_p): Remove.
5999 (mark_constant_function): Use mark_dfs_back_edges.
6001 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
6002 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
6003 (compensate_edge): Break out from ...
6004 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
6005 (convert_regs_2): Set block_done once block is really done;
6006 Do updating of the predecesors counts.
6008 * toplev.c (rest_of_compilation): Recompute block_for_insn
6009 before post-reload cfg_cleanup.
6010 * function.c (thread_prologue_epilogue_insns):
6011 Call set_block_for_new_insns when emitting prologue directly.
6013 2001-07-30 Andreas Jaeger <aj@suse.de>
6015 * jump.c: Add prototype for mark_modified_reg.
6017 * cse.c (set_live_p): Add unused attribute.
6019 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
6021 (scan_for_source_files): Use long for count to avoid overflow.
6022 (output_data): Likewise.
6023 (output_data): Don't use string concatatenation to silence gcc
6026 * predict.c: Fix typos and grammar.
6028 * gcse.c (insert_insn_end_bb): Remove unused variables.
6030 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
6032 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
6033 (attempt_auto_inc): LIkewise.
6034 (mark_used_reg): Likewise.
6035 (try_pre_increment_1): Likewise.
6036 * regclass.c (regclass): Likewise.
6037 * global.c (allocno_compare): Update comment; change scaling factor.
6038 * local-alloc.c (QTY_CMP_PRI): Likewise.
6039 * regs.h (REG_FREQ_FROM_BB): New.
6040 (REG_FREQ_MAX): Likewise.
6042 2001-07-30 H.J. Lu <hjl@gnu.org>
6044 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
6047 2001-07-30 H.J. Lu (hjl@gnu.org)
6049 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
6050 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6051 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
6053 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
6055 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
6056 as -mthumb-interwork when -mcpu=arm7 is specified.
6058 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6060 * predict.def (noreturn, loop branch, loop exit): Mark as first
6063 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
6065 * combine.c (try_combine): Avoid barrier after noop jumps.
6067 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6069 * cpphash.h (struct cpp_reader): Remove import_warning.
6070 * cpplib.c (skip_rest_of_line): Don't bother turning off
6072 (parse_include): Move include handling to...
6073 (do_include_common): ... here. Move import warning from...
6074 (do_import): ... here.
6075 (do_pragma_poison): Don't do a callback for poison identifiers.
6076 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
6077 * cppmain.c (setup_callbacks): Similarly.
6079 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
6081 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
6082 handle multiple sets.
6083 * except.c (sjlj_mark_call_sites): .... here.
6084 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
6086 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
6088 Suggested by Richard Henderson and Richard Kenner:
6089 * combine.c (recog_for_combine): Use the fake recog
6090 only if instruction does not match.
6091 * rtl.h (NOOP_MOVE_INSN_CODE): New.
6092 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
6094 * combine.c (try_combine): Discover noop jump as direct jump.
6096 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
6098 * df.c (df_rd_global_compute): Add successors to worklist, not
6100 (df_ru_global_compute): Ditto.
6102 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
6104 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
6105 increment REG_N_SETS.
6107 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
6109 * sbitmap.h: New prototype for sbitmap_a_xor_b.
6111 * sbitmap.c (sbitmap_a_xor_b): New function.
6112 ifdef the basic block stuff on IN_GCC.
6114 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6116 * cppexp.c (parse_defined): Always record the macro name.
6117 (lex): Don't worry about identifiers, or special-case
6119 (_cpp_parse_expr): Figure out at the end of the routine
6120 whether we saw a valid !defined() expression.
6121 * cppfiles.c (stack_include_file): Update for mi_valid.
6122 (_cpp_pop_file_buffer): Similarly.
6123 * cpplex.c (_cpp_lex_token): Similarly.
6124 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
6125 mi_if_not_defined, mi_lexed): Remove.
6127 * cpplib.c (do_if): Simplify.
6128 (do_endif, push_conditional, _cpp_handle_directive): Update
6129 for renaming of mi_state to mi_valid.
6131 * cpp.texi: Add index entries for digraphs, and add comment
6132 that C++ refers to them as alternative tokens.
6134 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6136 * basic-block.h (CLEANUP_PRE_LOOP): New.
6137 * except.c (finish_eh_generation): Update call of cleanup_cfg.
6138 * sibcall.c (optimize_sibling_calls): Likewise.
6139 * toplev.c (rest_of_compilation): Likewise.
6140 * flow.c (try_forward_edges): Take argument MODE;
6141 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
6142 (try_optimize_cfg): Update call of try_forward_edges.
6144 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6145 Jan Hubicka <jh@suse.cz>
6147 * (validate_replace_rtx_1): Fix simplification of MINUS.
6149 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
6151 PR preprocessor/3669
6152 * cppinit.c (init_dependency_output): Turn off dump requests
6153 if sending dependencies to stdout.
6155 2001-07-28 Richard Henderson <rth@redhat.com>
6157 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
6160 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
6162 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
6164 2001-07-28 Kazu Hirata <kazu@hxi.com>
6166 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
6167 is VAR_DECL first to prevent an ICE.
6169 2001-07-28 Richard Henderson <rth@redhat.com>
6171 * varasm.c (immed_real_const_1): Don't elide special cases for
6173 (clear_const_double_mem): Clear const_tiny_rtx too.
6175 2001-07-28 Richard Henderson <rth@redhat.com>
6177 * dwarf2out.c (dw_val_class_offset): New.
6178 (struct dw_ranges_struct, dw_ranges_ref): New.
6179 (ranges_table, ranges_table_allocated): New.
6180 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
6181 (add_AT_offset, add_ranges, output_ranges): New.
6182 (print_die, output_die): Handle dw_val_class_offset.
6183 (attr_checksum, size_of_die, value_format): Likewise.
6184 (gen_lexical_block_die): Handle non-contiguous blocks.
6185 (gen_block_die): Likewise.
6186 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
6187 if needed. Dump the ranges table.
6188 * final.c (final_start_function): Remove unnecessary notes and
6189 rebuild the block tree before numbering the blocks.
6190 * function.c (reorder_blocks_0): Walk the existing block tree
6191 to unmark all blocks.
6192 (reorder_blocks_1): Create block fragments when duplicate block
6194 (reorder_fix_fragments): New.
6195 (reorder_blocks): Call it.
6196 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
6198 2001-07-28 Richard Henderson <rth@redhat.com>
6200 * emit-rtl.c (adjust_address): Make a copy of the memory address.
6202 2001-07-28 Richard Henderson <rth@redhat.com>
6204 * flow.c (add_to_mem_set_list): New function.
6205 (init_propagate_block_info): Use it.
6206 (mark_set_1): Likewise.
6207 (insn_dead_p): Canonicalize memory address for dead store
6208 comparison. Allow wider mode stores to kill narrower mode stores.
6209 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
6210 (invalidate_mems_from_set): Don't handle MEMs.
6212 2001-07-28 Kazu Hirata <kazu@hxi.com>
6214 * config/h8300/h8300.h: Fix formatting.
6216 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6218 * basic-block.h (EDGE_FREQUENCY): New macro.
6219 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
6221 * flow.c (find_sub_basic_blocks): Likewise.
6222 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
6223 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
6225 * predict.c (DEF_PREDICTOR): New argument FLAGS.
6226 (HITRATE): New macro.
6227 (PRED_FLAG_FIRST_MATCH): New constant.
6228 (predictor_info): New field flgags.
6229 (combine_predictions_for_insn): Use DS theory to combine
6230 probabilities; set the edge probabilities when finished.
6231 (estimate_probability): Avoid duplicated matches
6232 of LOOP_BRANCH heuristics for nested loops; update comment.
6233 * predict.def: Add flags for each prediction, set probabilities
6234 according to B&L paper.
6235 * predict.h (DEF_PREDICTOR): New argument FLAGS.
6237 * profile.c (compute_branch_probabilities): Cleanup way the edge
6238 probabilities are computed and REG_BR_PROB notes are dropped; if
6239 values does not match, emit error.
6240 (init_branch_prob): Do error instead of warning when profile driven
6241 feedback is missing or corrupt.
6243 2001-07-27 DJ Delorie <dj@redhat.com>
6245 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
6246 against a constant, try to adjust the compare to have the desired
6247 constant in it so that min/max optimizations happen more often.
6249 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6251 * flow.c (last_loop_beg_note): New function.
6252 (redirect_edge_and_branch): Use it.
6253 (split_edge): Likewise.
6255 * alias.c (loop_p): Avoid uninitialized memory access.
6257 * flow.c (try_forward_edges): Avoid accessing freed memory.
6259 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
6262 2001-07-26 Andrew Haley <aph@redhat.com>
6263 Joern Rennecke <amylaar@redhat.com>
6265 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
6266 (SUBTARGET_CPP_ENDIAN_SPEC): New.
6267 (SUBTARGET_CPP_SPEC): New.
6269 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
6270 (SUBTARGET_CPP_PTR_SPEC): New.
6271 (CPP_DEFAULT_CPU_SPEC): New.
6272 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
6273 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6274 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
6275 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6276 (SUBTARGET_CPP_SPEC): Define as an empty string.
6278 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6280 * doc/install.texi (Configuration): Properly link the host
6281 specific instructions also when generating HTML.
6283 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
6285 * flow.c (redirect_edge_and_branch_force): Test
6286 target->global_live_at_start.
6288 2001-07-26 Richard Henderson <rth@redhat.com>
6290 * simplify-rtx.c (avoid_constant_pool_reference): Export.
6291 * rtl.h (avoid_constant_pool_reference): Declare it.
6292 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
6293 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
6295 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6297 * rtl.h (cleanup_barriers): Declare.
6298 * jump.c (cleanup_barriers): New function.
6299 * toplev.c (rest_of_compilation): Call cleanup_barriers
6300 before loop optimizer and after bb_reorder.
6302 * flow.c (back_edge_of_syntactic_loop_p): New.
6303 (split_edge): Use it.
6305 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6307 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
6309 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6311 * cse.c (cse_process_notes): Replace any registers if the address
6314 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6316 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6317 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6318 (propagate_block): Update prototype.
6319 * flow.c (update_life_info): Simplify the CFG and
6320 recalculate the global regs which are alive when
6321 removing dead code during a global update.
6322 (propagate_block): Return non-zero if an INSN is
6325 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6327 * Makefile.in (LIBICONV): Define.
6329 2001-07-26 Catherine Moore <clm@redhat.com>
6331 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6332 of conditional to avoid tree checking errors.
6334 2001-07-26 Kazu Hirata <kazu@hxi.com>
6336 * regmove.c (regmove_optimize): Don't replace a reg with
6337 another reg of a different mode.
6339 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6341 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6342 limit length of dependancy flush list.
6343 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6344 * sched-int.h (struct deps): Add pending_flush_length field.
6345 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6346 has 1 element in it.
6347 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6348 (sched_analyze): After a jump, if the pending memory flush list is too
6349 large, flush the pending lists.
6350 (init_deps): Initialize pending_flush_length to 0.
6351 * doc/invoke.texi (max_pending_list_length): Document parameter.
6353 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6355 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
6356 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
6357 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
6359 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6361 * cpphash.h (struct_lexer_state): Delete was_skipping.
6362 Move skipping here from struct cpp_reader.
6363 * cpplex.c (parse_identifier): Update.
6364 (_cpp_lex_token): Don't skip tokens in a directive.
6365 * cpplib.c (struct if_stack): Update.
6366 (start_directive, end_directive): Don't change skipping state.
6367 (_cpp_handle_directive): Update.
6368 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
6369 (do_else, do_endif): Update; only check for excess tokens if not
6370 in a skipped conditional block.
6371 (push_conditional): Update for new struct if_stack.
6373 2001-07-26 Graham Stott <grahams@redhat.com>
6375 * function.c (locate_and_pad_parm): Also pad initial offset
6376 so that the total argument size also includes the padding.
6378 2001-07-26 Graham Stott <grahams@redhat.com>
6380 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6381 change XSTR to XTMPL.
6383 (process_one_cond_exec): Likewise
6385 2001-07-25 Richard Henderson <rth@redhat.com>
6387 * varasm.c (assemble_variable): Create DECL_RTL before setting
6390 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6392 * predict.c (estimate_probability): Avoid duplicated predictions.
6394 * loop.c (find_and_verify_loops): Grok multiple barriers.
6396 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6398 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6400 * dbxout.c: Consistently use putc instead of fputc.
6401 (print_wide_int): New function; call instead of direct fprintf.
6402 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6403 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6404 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6405 (print_int_cst_octal): Likewise.
6406 (print_octal): Show we wrote characters.
6407 (dbxout_type): Set have_used_extensions in more places.
6409 2001-07-25 Catherine Moore <clm@redhat.com>
6411 * config/v850/v850.c (v850_va_arg): Use addr
6412 instead of valist to build incr.
6414 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6416 * flow.c (delete_dead_jumptables): New function.
6417 (life_analyzis): Call it.
6418 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6421 2001-07-25 Richard Henderson <rth@redhat.com>
6423 * except.c (reachable_handlers): Handle a region being removed
6424 out from under a RESX.
6426 2001-07-25 Richard Henderson <rth@redhat.com>
6428 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6429 swap GE/GT if it is an fp comparison.
6431 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6433 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6436 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6438 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6439 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6442 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6444 (visit_expression): When attempting to simplify an expression,
6445 retrieve any modes for arguments before they are simplified
6448 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6449 Janis Johnson <janis@us.ibm.com>
6451 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6452 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6453 pointer parameters to match documented usage of nonlocal_goto.
6454 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6455 parameters to their correct order.
6456 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6457 parameters to their correct order.
6459 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6461 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6463 2001-07-25 Jan Hubicka <jh@suse.cz>
6464 Richard Henderson <rth@redhat.com>
6466 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6468 (make_edges): New argument update_p; populate the edge cache if set.
6469 (find_basic_blocks): Update make_edges invocation.
6471 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6473 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6475 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6477 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6478 -Acpu and -Amachine.h.
6479 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6480 Corrected header to say ELF not a.out.
6481 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6482 when given -msoft-float.
6484 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6486 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6487 extra multilib parts like arm-elf.
6488 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6489 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6490 crtfini.o as extra multilib parts.
6492 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6494 * configure.in: Add rtems as a supported thread model.
6495 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6496 * configure: Rebuilt.
6498 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6500 * stor-layout.c (get_mode_alignment): make it work when
6501 BITS_PER_UNIT is not a power of two.
6502 * builtins.c (get_pointer_alignment): Likewise.
6504 2001-07-24 Richard Henderson <rth@redhat.com>
6506 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6507 the retrieved constant into the expected mode.
6509 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6511 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6512 (verify_flow_info): Check for duplicated edges; clarify
6515 * flow.c (block_label): Update basic_block_for_insn.
6516 (commit_edge_insertions): Call compute_bb_for_insn.
6518 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6521 * flow.c (redirect_edge_and_branch,
6522 try_optimize_cfg): Use redirect_edge_succ_nodup
6523 (redirect_edge_succ_nodup): New.
6524 * basic_block.h (redirect_edge_succ_nodup): Declare.
6526 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6529 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6531 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6532 (try_crossjump_to_edge): Update commetns.
6533 (try_crossjump_bb): Likewise.
6535 2001-07-24 Richard Henderson <rth@redhat.com>
6537 * combine.c (distribute_notes): Move set of need_refresh
6538 for noop_move_p down to catch all cases.
6540 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6542 * recog.c (split_all_insns_noflow): New.
6543 * rtl.h (split_all_insns_noflow): Declare.
6544 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6545 * m68hc11.c (m68hc11_reorg): Likewise.
6546 * sh.c (machine_dependent_reorg): Likewise.
6547 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6550 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6552 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6553 (ashlsi3_n splitter): Likewise.
6554 (lshrsi3_n splitter): Likewise.
6556 (GOTaddr2picreg): Make const SImode.
6557 (sym_label2reg): Likewise.
6558 (symGOT2reg): Likewise.
6559 (symGOTOFF2reg) Likewise.
6561 (casesi_worker_0): Make unspec SImode.
6563 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6565 * config/sh/sh.c (barrier_align): Check that an operand really is
6566 an insn before extracting its INSN_CODE.
6568 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6570 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6573 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6574 for SImode to prevent overflow.
6576 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6578 * config/mips/irix6-libc-compat.c: New file.
6579 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6580 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6583 2001-07-24 lars brinkhoff <lars@nocrew.org>
6585 * rtl.texi (REG_POINTER): Document.
6586 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6587 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6589 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6591 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6593 2001-07-23 Richard Henderson <rth@redhat.com>
6595 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6597 2001-07-23 Kazu Hirata <kazu@hxi.com>
6599 * config/h8300/h8300-protos.h: Add a prototype for
6600 general_operand_dst_push.
6601 * config/h8300/h8300.c (general_operand_dst_push): New.
6602 * config/h8300/h8300.h (OK_FOR_T): New.
6603 (EXTRA_CONSTRAINT): Use it.
6604 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6605 the existing movqi pattern.
6606 (movhi_push): Likewise.
6608 * reload.c: Fix comment typos.
6610 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6612 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6614 2001-07-23 H.J. Lu (hjl@gnu.org)
6616 * doc/extend.texi: Update __builtin_return_address and
6617 __builtin_frame_address.
6619 2001-07-23 Richard Henderson <rth@redhat.com>
6621 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6623 * config/i386/i386.md: New setcc+movzbl peephole2.
6625 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6627 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6628 * objc/objc-act.c: Include debug.h.
6629 (synth_module_prologue): Save and restore debug hooks too.
6631 2001-07-23 lars brinkhoff <lars@nocrew.org>
6633 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6634 and C4X_FLOAT_FORMAT.
6635 (BOOL_TYPE_SIZE): Document.
6637 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6639 * unroll.c (loop_iterations): Fix miscalculation of initial
6642 2001-07-13 Andrew Haley <aph@redhat.com>
6644 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6645 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6646 * config/sh/sh.c (sh_can_redirect_branch): New function.
6647 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6648 * reorg.c (steal_delay_list_from_target): Use
6649 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6651 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6653 * flow.c (try_simplify_condjump): Unlink insn chain on
6654 fallthru edge; use can_fallthru.
6656 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6658 * basic-block.h (find_sub_basic_block): Declare.
6659 * flow.c (make_edges): New arguments MIN and MAX;
6660 (find_sub_basic_blocks): Revamp to use make_edges
6661 and purge_dead_edges.
6662 (find_basic_blocks): Update call of find_sub_basic_block.
6664 * recog.c (split_all_insns): Always expect CFG to be consistent;
6665 call find_sub_basic_blocks in case something has changed.
6666 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6669 * basic-block.h (delete_noop_moves): Declare.
6670 * combine.c (combine_instructions): Call it.
6671 (recog_for_combine): Tolerate noop moves
6672 (distribute_notes): Force refresh when register dies at noop move.
6673 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6675 (life_analysis): Update delete_noop_moves call.
6676 (set_noop_p): Move too ...
6677 * rtlanal.c (noop_move_p): ... here.
6678 * rtl.h (noop_move_p): Declare.
6680 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6681 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6683 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6684 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6686 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6688 * reload.c (push_reload): Fix typo in comment.
6689 (find_reloads_address): Ditto.
6690 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6692 2001-07-22 Richard Henderson <rth@redhat.com>
6694 * flow.c: Grammar check and clarify a lot of comments.
6695 (try_simplify_condjump): Rename variables to be clearer.
6696 (try_forward_edges): Skip complex and fallthru edges.
6697 Rearrange tests to avoid duplicate checks.
6698 (flow_find_cross_jump): Likewise.
6699 (outgoing_edges_match): Allow match if neither branch has
6700 probability data. Loosen probability match to 5%.
6701 (try_crossjump_to_edge): Hoist repeated indirection into
6703 (try_crossjump_bb): Don't check complex edges. Eliminate
6704 redundant crossjump tests.
6705 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6706 checks before more expensive checks.
6708 2001-07-22 Richard Henderson <rth@redhat.com>
6710 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6711 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6714 2001-07-22 Richard Henderson <rth@redhat.com>
6716 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6717 (const_sint32_operand): Likewise.
6718 * m68k.md (anon mulsi pattern): Use const_int_operand not
6719 const_sint32_operand.
6720 (umulsi3_highpart): Zero extend a constant input.
6721 (smulsi3_highpart): Don't bother checking SImode constant.
6722 (const_umulsi3_highpart): Give op3 DImode.
6723 (const_smulsi3_highpart): Likewise.
6725 2001-07-22 Richard Henderson <rth@redhat.com>
6727 * flow.c (split_block): Make sure bb_note is included in the
6728 new block when splitting before a label.
6730 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6732 * basic-block.h (redirect_edge_and_branch_force,
6733 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6734 * flow.c (redirect_edge_and_branch_force,
6735 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6736 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6737 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6738 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6739 instead of label; update CFG after transformation.
6740 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6741 for finishing the transformation; handle even case where ELSE
6742 does not follow THEN.
6743 (find_if_case_2): Update call of dead_or_predictable; simplify
6746 * emit-rtl.c (split_branch_probability): New global variable.
6747 (try_split): Take care to set split_branch_probability and
6748 create REG_BR_PROB note for new jump insns.
6749 * md.texi (define_split): Document new feature.
6751 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6753 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6755 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6756 (asm_out_file): Remove redundant declaration.
6757 (assemble_asm): Remove old #if 0 block.
6758 (assemble_variable): Remove end of function; debug output is
6759 now handled with global_decl. Remove old #if 0 block. Update.
6760 Remove saved_in_section and associated no-op code.
6761 * Makefile.in (varasm.o): Correct dependencies.
6763 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6765 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6766 the definition in defaults.h.
6768 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6770 * jump.c: Update comments.
6771 (delete_barrier_successors, delete_unreferenced_labels,
6772 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6773 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6774 jump_optimize, jump_optimize_minimal): Kill.
6775 (rebuild_jump_labels): Move code from jump_optimize_1.
6776 (purge_line_number_notes): Likewise.
6777 (copy_loop_headers): Likewise.
6778 * reg-stack.c: Update comment.
6780 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6781 JUMP_AFTER_REGSCAN): Kill.
6782 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6783 purge_line_number_notes and copy_loop_headers.
6785 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6786 Richard Henderson <rth@redhat.com>
6788 * dbxout.c (dbxout_global_decl): New.
6789 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6790 * sdbout.c (sdbout_finish): New.
6791 (sdbout_debug_hooks): Use it, add comments.
6792 (sdbout_global_decl): Defer initialised public vars to
6794 * varasm.c (assemble_variable): Don't output debug information
6795 for file-scope variables.
6797 2001-07-22 Richard Henderson <rth@redhat.com>
6799 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6800 (get_round_mode_suffix): New.
6801 (print_operand): Use them for [/]. Remove support for [&'`()+].
6802 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6803 * config/alpha/alpha.md (attr round_suffix): New.
6804 (attr trap_suffix): New.
6805 (all insns): Set them appropriately. Use %/ instead of the
6808 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6810 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6812 2001-07-22 Richard Henderson <rth@redhat.com>
6814 * regrename.c (regrename_optimize): Compute nregs for each
6815 potential target register.
6817 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6818 Richard Henderson <rth@redhat.com>
6820 * dbxout.c (dbxout_global_decl): New.
6821 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6822 * sdbout.c (sdbout_finish): New.
6823 (sdbout_debug_hooks): Use it, add comments.
6824 (sdbout_global_decl): Defer initialised public vars to
6826 * varasm.c (assemble_variable): Don't output debug information
6827 for file-scope variables.
6829 2001-07-21 H.J. Lu (hjl@gnu.org)
6831 * config/mips/mips.c (mips_cpu): Moved into ...
6832 (override_options): Here.
6834 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6836 (mips_cpu): Removed.
6838 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6840 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6841 ("iorqi3"): Likewise.
6842 ("xorqi3"): Likewise.
6843 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6844 ("*subhi3_sp): Likewise.
6845 ("*subhi3"): Likewise.
6846 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6849 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6851 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6852 * config/freebsd.h: Likewise.
6853 * config/linux.h: Likewise.
6854 * config/openbsd.h: Likewise.
6855 * config/alpha/linux-elf.h: Likewise.
6856 * config/arm/linux-elf.h: Likewise.
6857 * config/d30v/d30v.h: Likewise.
6858 * config/fr30/fr30.h: Likewise.
6859 * config/ia64/aix.h: Likewise.
6860 * config/ia64/ia64.h: Likewise.
6861 * config/mips/linux.h: Likewise.
6862 * config/pj/pj.h: Likewise.
6863 * config/rs6000/linux.h: Likewise.
6864 * config/sparc/linux.h: Likewise.
6865 * config/sparc/linux64.h: Likewise.
6867 2001-07-20 Bruce Korb <bkorb@gnu.org>
6869 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6870 because getc() and char* may disagree on signedness.
6872 2001-07-20 Richard Henderson <rth@redhat.com>
6874 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6876 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6877 insns to delete in the presence of cc0 in a jump insn.
6879 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6880 Jan Hubicka <jh@suse.cz>
6882 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6883 of doing the change by hand.
6885 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6887 * rtlanal.c (set_noop_p): Return true for noop jumps.
6889 * expr.c (emit_single_push_insn): Add call to push expander.
6890 * expr.h (optab_index): Add OTI_push
6891 (push_optab): New constant.
6892 * genopinit.c (optabs): Add push_optab.
6893 * optabs.c (init_optab): Init push optab.
6894 * md.texi (push??1): Document
6896 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6898 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6899 expand to emit the pattern; put a REG_INC note for push/pop
6901 ("movdf", "movdf_internal"): Likewise.
6902 ("movsi", "movsi_internal"): Likewise.
6903 ("movsf", "movsf_internal"): Likewise.
6904 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6906 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6908 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6911 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6913 * params.def: Change default max inline insns to 100.
6915 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6917 * combine.c (combine_simplify_rtx): Generate a new shift operation
6918 when simplifying the first operand of a (neg (ashift)) expression.
6920 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6922 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6924 2001-07-20 Kelley Cook <kelley.cook@home.com>
6926 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6927 information. Move rest into ...
6928 (*-*-solaris): ... here. Eliminate redundant information and
6929 reword necessary packages section. Delete 4.x assembler bug info.
6930 (sparc-sun-*): Merge into ...
6931 (sparc-sun-sunos*): here.
6933 2001-07-20 Catherine Moore <clm@redhat.com>
6935 * config/v850/v850.md (casesi): Generate LABEL_REF
6938 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6940 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6941 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6942 * i386.md (strclrsi expander): Use it.
6944 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6946 * integrate.c (copy_insn_list): handle
6947 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6948 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6949 identically as to CODE_LABEL.
6951 * fold-const (fold): Convert A/B/C to A/(B*C) and
6954 * except.c (connect_post_landing_pads): Delete the RESX insns.
6956 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6958 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6960 * config/mips/mips.md (nmadd/nmsub): Use macro.
6962 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6964 * cppinit.c (remove_dup_dir): Make static.
6965 (remove_dup_dirs): Make static. Only warn about preempting a
6966 system directory with a non-system directory.
6968 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6970 * ifcvt.c (noce_try_store_flag_constants): Correct order
6971 of parameters to trunc_int_for_mode.
6973 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6975 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6976 an exception that will be caught within this function, do not fill
6977 its delay slot with any subsequent instruction.
6979 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6981 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6982 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6983 pointer extension instruction.
6984 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6985 * simplify-rtx.c (simplify_unary_operation) Likewise.
6986 * explow.c (convert_memory_address) Check value of
6987 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6989 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6990 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6991 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6992 Add Multilib Support.
6993 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6994 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6995 Add Multilib Support.
6996 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6998 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6999 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
7000 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
7002 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
7004 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
7005 old and new operands in `<', `3' and `b'.
7007 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7009 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
7010 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
7011 (toplev.o): Don't depend on xcoffout.h.
7012 * c-decl.c: Include debug.h
7013 (duplicate_decls): Use debug hook.
7014 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
7015 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7016 (dbxout_types): Remove.
7017 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
7018 * debug.c (do_nothing_debug_hooks): Update.
7019 (debug_true_tree, debug_nothing_rtx): New.
7020 * debug.h (struct rtx_def): New.
7021 (struct gcc_debug_hooks): New hooks ignore_block,
7022 outlining_inline_function and label.
7023 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
7024 dwarf2out_frame_finish): New.
7025 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
7026 Make static, update prototype.
7027 (dwarf2_debug_hooks): Update.
7028 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
7029 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
7030 * dwarfout.c (dwarf_debug_hooks): Update.
7031 * emit-rtl.c: Include debug.h.
7032 (remove_unnecessary_notes): Use debug hook.
7033 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
7034 (final_scan_insn): Use debug hook.
7035 * integrate.c (output_inline_function): Use debug hook.
7036 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
7037 (sdb_debug_hooks): Update.
7038 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
7039 * toplev.c: Don't include xcoffout.h.
7040 (note_outlining_of_inline_function, debug_ignore_block): Remove.
7041 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
7043 * tree.h (dwarf2out_do_frame): Remove.
7045 2001-07-19 Catherine Moore <clm@cygnus.com>
7047 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
7049 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7051 * reload1.c (eliminate_regs_in_insn): When updating a set
7052 to the frame pointer to the hardware frame pointer, perform
7053 the update always not just when REPLACE is set.
7055 * reload1.c (choose_reload_regs): Don't inherit a reload
7056 that crosses multiple registers if registers past the first
7057 don't fit in the desired class.
7059 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
7060 when negating constants.
7062 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
7064 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
7065 * doc/tree.texi: Ditto.
7067 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
7068 Jakub Jelinek <jakub@redhat.com>
7070 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
7071 (extract_cie_info): Handle "eh" augmentation properly,
7073 (struct frame_state, __frame_state_for): New.
7075 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7077 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
7078 HANDLE_SYSV_PRAGMA): Define.
7079 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
7081 (copy_object): Caller changed.
7083 2001-07-19 Andreas Schwab <schwab@suse.de>
7085 * configure.in (assembler dwarf2 debug_line support): Define nop
7087 * configure: Regenerated.
7089 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7091 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
7093 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
7094 to conditionally compiled block.
7095 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7096 * dbxout.h (dbxout_function): Remove.
7097 * debug.c (do_nothing_debug_hooks): Update.
7098 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
7099 global_decl, deferred_inline_function.
7100 * dwarf2out.c (dwarf2_debug_hooks): Update.
7101 (dwarf2out_global_decl): New.
7102 * dwarfout.c: Don't include dwarfout.h.
7103 (dwarfout_global_decl, dwarfout_function_decl,
7104 dwarfout_deferred_inline_function): New.
7105 (dwarf_debug_hooks): Update.
7106 * dwarfout.h: Remove.
7107 * final.c: Don't include dwarfout.h.
7108 * sdbout.c (sdbout_global_decl): New.
7109 (sdbout_debug_hooks): Update.
7110 * toplev.c: Don't include dwarfout.h.
7111 (check_global_declarations, rest_of_compilation): Use new debug hooks.
7112 (note_deferral_of_defined_inline_function): Remove.
7113 * toplev.h (note_deferral_of_defined_inline_function): Remove.
7114 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
7115 * ch/lex.c: Don't include dwarfout.h.
7116 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
7117 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
7118 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
7119 * cp/optimize.c: Include debug.h.
7120 (maybe_clone_body): Use debug hook.
7121 * cp/semantics.c: Include debug.h.
7122 (expand_body): Use debug hook.
7123 * po/POTFILES.in: Remove dwarfout.h.
7125 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7127 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
7128 * c-parse.in (yyerror, _yylex): Similarly.
7129 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
7130 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
7132 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
7133 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
7135 2001-07-18 Jeff Sturm <jsturm@one-point.com>
7137 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
7138 in-class declaration at -g1. Fixes c++/2814.
7140 2001-07-18 Richard Henderson <rth@redhat.com>
7142 * doc/md.texi (reload_in/out): Document restrictions in predicates
7143 and constraints for these patterns. Document empty string matching
7146 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7148 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
7150 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7152 * cse.c: Undo my previous patch.
7154 2001-07-18 Tom Tromey <tromey@redhat.com>
7157 * configure: Rebuilt.
7158 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
7160 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
7162 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
7163 Jan Hubicka <jh@suse.cz>
7165 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
7166 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
7167 * jump.c (mark_jump_label): Do not forward branches.
7169 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
7171 * cse.c (delete_trivially_dead_insns): Delete the libcall block
7172 when return value is unused.
7174 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7176 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
7178 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
7180 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
7181 on error. We can't blindly return the result of
7182 pthread_mutex_trylock because it returns a positive number on
7183 error, while we must return -1 on error.
7184 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
7186 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
7188 2001-07-18 Andreas Jaeger <aj@suse.de>
7190 * integrate.c (output_inline_function): Correct type of debug_hooks.
7192 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
7194 * combine.c (combine_simplify_rtx): DIV can be treated
7195 associatively for floats if unsafe math optimisations are enabled.
7197 2001-07-17 Richard Henderson <rth@redhat.com>
7199 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
7201 2001-07-17 Richard Henderson <rth@redhat.com>
7203 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
7204 don't force the function address into a register.
7205 (expand_call, emit_library_call_value_1): Update callers.
7206 * builtins.c (expand_builtin_apply): Likewise.
7207 * expr.h (prepare_call_address): Update decl.
7209 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
7211 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
7213 * config/i386/chorus.h: Move up.
7214 * config/sparc/chorus.h: Likewise.
7215 * config/rs6000/chorus.h: Likewise.
7216 * config/chorus.h: Moved here.
7218 2001-07-17 Andreas Schwab <schwab@suse.de>
7220 * configure.in (assembler eh_frame optimization): Handle big
7222 * configure: Regenerated.
7224 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
7226 * expr.c (epxand_expr): Convert divisions into multiplications by
7227 reciprocals if -ffast-math.
7229 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
7231 * dbxout.c (dbxout_really_begin_function): Rename to
7232 dbxout_begin_function.
7233 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7234 (dbxout_begin_function): Remove.
7235 (dbxout_function): Update.
7236 (dbxout_source_line): Update prototype.
7237 * dbxout.h (dbxout_begin_function): Remove.
7238 * debug.c (do_nothing_debug_hooks): Update.
7239 (debug_nothing_tree): Update.
7240 (debug_nothing_charstar_rtx): Remove.
7241 * debug.h (union tree_node): Declare.
7242 (struct rtx_def): Remove.
7243 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
7244 begin_function. Change source_line prototype.
7245 (debug_nothing_tree): New.
7246 (debug_nothing_charstar_rtx): Delete.
7247 (dwarf2out_begin_prologue): Moved from ...
7249 * dwarf2out.c (dwarf2_debug_hooks): Update.
7250 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
7251 debug info, call dwarf2out_source_line.
7252 (dwarf2out_souce_line): Update prototype.
7253 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
7254 Change prototype, make static.
7255 (dwarfout_source_line): Update prototype.
7256 (dwarf_debug_hooks): Update.
7257 * dwarfout.h (dwarfout_begin_function): Remove.
7258 * final.c (final_start_function, final_scan_insn): Use appropriate
7259 debug hooks, update to use notice_source_line.
7260 (output_source_line): Rename notice_source_line. Don't call the
7261 source_line debug hook.
7262 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
7263 make static, update prototype.
7264 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
7266 (sdbout_end_prologue): New.
7267 (sdbout_source_line): Update prototype.
7268 (sdbout_debug_hooks): Update.
7269 (sdbout_symbol): Remove unused var.
7270 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
7272 * varasm.c: Include debug.h.
7273 (assemble_start_function): Use begin_function debug_hook.
7274 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7275 update with prototype.
7276 (xcoffout_source_line): Update prototype.
7277 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7279 (xcoffout_source_line): Update prototype.
7281 2001-07-17 Richard Henderson <rth@redhat.com>
7283 * c-typeck.c (build_binary_op): Do not shorten unsigned
7284 right shift after sign extension.
7286 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
7288 * combine.c (combine_simplify_rtx): Attempt to simplify
7289 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
7291 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
7292 (simplify_binary_operation, simplify_unary_operation,
7293 simplify_relational_operation): Use it.
7295 * combine.c (combine_simplify_rtx): Don't do associative law
7296 on divisions; allow associative law on floats.
7298 2001-07-17 H.J. Lu <hjl@gnu.org>
7299 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7301 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7302 ASM_OUTPUT_WEAK_ALIAS are defined.
7303 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7304 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7306 * config/mips/iris5.h: ... here.
7307 (HANDLE_SYSV_PRAGMA): Defined as 1.
7308 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
7309 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7312 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7314 * c-parse.in (all_prefix_attributes): New variable.
7315 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7316 (maybe_resetattrs): New production.
7317 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7318 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7319 notype_initdcl, nested_function, notype_nested_function,
7320 component_decl, components, components_notype,
7321 component_declarator, component_notype_declarator,
7322 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7323 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7324 after a comma being applied to more than one declarator.
7325 * doc/extend.texi (Attribute Syntax): Update. Remove
7326 documentation of bugs that are no longer present.
7328 2001-07-13 Eric Christopher <echristo@redhat.com>
7330 * config/mips/mips.h: Change TUNE_MIPS* options to use
7332 (EXTRA_SPECS): Add cc1_cpu_spec.
7333 * config/mips/mips.md (muldf3): Fix typo.
7335 2001-07-16 Richard Henderson <rth@redhat.com>
7337 * config/m68k/m68k.c: Include expr.h and reload.h.
7338 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7339 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7341 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7342 Richard Henderson <rth@redhat.com>
7344 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7345 (insn_live_p): Fix fall off end of function.
7346 (dead_libcall_p): Remove COUNTS argument; update callers.
7347 (delete_trivially_dead_insns): Remove unused variables.
7349 2001-07-17 Andreas Jaeger <aj@suse.de>
7351 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7354 * lcm.c (optimize_mode_switching): Avoid warning for unused
7355 variable if !NORMAL_MODE.
7357 * flow.c (try_crossjump_to_edge): Remove unused variable.
7359 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
7361 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
7362 atexit declaration in stdlib.h.
7364 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
7366 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
7368 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7370 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
7371 * except.c (finish_eh_generation): Update call of cleanup_cfg;
7372 do rebuild_jump_labels instead of jump_optimize
7373 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7374 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7375 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7377 * flow.c: Include timevar.h
7378 (find_basic_block): Push/pop timevar;
7379 (cleanup_cfg): Likewise.
7380 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7381 * Makefile: Add dependencies on timevar.h
7383 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
7384 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7386 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7387 * toplev.c (rest_of_compilation): Update calls.
7388 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7389 (delete_trivially_dead_insns): ... here; accept new argument
7390 preserve_basic_blocks; preserve basic blocks if set.
7392 * reg-stack.c (stack_regs_mentioned): Return 0 if
7393 stack_regs_mentioned_data is not initialized.
7394 (reg_to_stack): Make stack_regs_mentioned survive after the
7395 reg-stack is completted; do not call cleanup_cfg.
7396 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7397 make cleanup_cfg after bb-reorder to output to debug file.
7399 2001-07-16 Richard Henderson <rth@redhat.com>
7401 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7402 from int_reg_class_contents.
7404 2001-07-16 Richard Henderson <rth@redhat.com>
7406 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7407 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7408 (init_reg_sets_1): Move initialization from cse_main.
7409 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7410 (cse_main): Move its initialization also.
7411 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7412 * flow.c (propagate_one_insn): Likewise.
7413 * gcse.c (compute_hash_table): Likewise.
7414 (compute_kill_rd, compute_store_table): Likewise.
7415 * sched-deps.c (sched_analyze_1): Likewise.
7417 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7419 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7422 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7424 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7425 in if statement so we don't access undefined memory.
7427 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7429 * gcse.c: Update comment at top.
7430 Update comment on mem handling.
7431 mem_last_set, mem_first_set, mem_set_in_block: gone.
7432 Declaration of reg_set_info: gone.
7433 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7434 pointless with load_killed_in_block_p (they are *more*
7435 conservative then it, not less, and less accurate).
7436 (oprs_not_set_p): Ditto.
7437 (alloc_gcse_mem): Don't allocate mem_set_in_block
7438 (free_gcse_mem): Don't free it, either.
7439 (record_last_mem_set_info): Update comment in front, remove
7440 mem_*set_* stuff. Note the reason we don't handle stores directly
7442 (compute_hash_table): Update comments to reflect reality. Remove
7443 mem_*set_* references.
7444 (reset_opr_set_tables): Remove mem_*set_* references.
7446 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7447 (mark_clobber): Ditto (on both parts, we double set here too).
7448 (expr_killed_p): Remove mem_set_in_block test.
7449 (compute_transp): Remove mem_set_in_block test.
7451 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7452 of edge, and removal of phi alternative to dump file.
7453 (ssa_ccp_substitute_constants): Add note about register now being
7454 constant, and which uses were replaced in what insns to dump file.
7456 2001-07-16 Andreas Jaeger <aj@suse.de>
7458 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7459 variables of type HOST_WIDEST_INT.
7461 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7462 (__bb_exit_func): Correct type of count_max to avoid overflow.
7463 (num_digits): Handle long long argument.
7465 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7467 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7469 * output.h (sdb_begin_function_line): Restore as an extern
7471 * sdbout.c (sdb_begin_function_line): Make extern.
7473 2001-07-15 Richard Henderson <rth@redhat.com>
7475 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7476 * genrecog.c (maybe_both_true_mode): New.
7477 (maybe_both_true_2): Use it.
7478 (write_switch): Don't put Pmode in a switch.
7479 * rtl.c (mode arrays): Don't explicitly size them.
7481 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7483 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7484 handling; move unconditional splitting before mode switching.
7486 * i386.md (type): Add fistp type.
7487 (i387, length_attr, scheduling definitions): Handle this type.
7488 (fix_trunc?f?i2): Revamp to use mode switching.
7489 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7490 * i386.h (fp_cw_mode): New enum
7491 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7492 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7494 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7496 * Makefile.in (integrate.o): Add debug.h.
7497 * integrate.c (debug.h): Add.
7498 (output_inline_function): Save, reset, and restore debug_hooks.
7500 2001-07-15 Richard Henderson <rth@redhat.com>
7502 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7503 instead of COMPARE for the EQUIV expression.
7505 2001-07-15 Richard Henderson <rth@redhat.com>
7507 * flow.c (redirect_edge_and_branch_force): Initialize
7508 global_live_at_start and global_live_at_end.
7509 (allocate_bb_life_data): Export.
7510 * basic-block.h (allocate_bb_life_data): Declare.
7511 * toplev.c (rest_of_compilation): Call it.
7513 2001-07-15 Richard Henderson <rth@redhat.com>
7515 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7516 (alpha_tablejump_best_label): New.
7517 * config/alpha/alpha-protos.h: Declare them.
7518 * config/alpha/alpha.md: Use braced strings for code blocks.
7519 (tablejump_osf): Break out add with r29.
7520 (tablejump_osf_internal): Remove.
7521 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7522 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7524 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7526 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7529 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7531 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7532 (ix86_fp_jump_nontrivial_p): New.
7533 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7534 use ix86_fp_jump_nontrivial_p.
7535 * i386.c (ix86_fp_jump_nontrivial_p): New.
7536 (ix86_split_fp_branch): Accept code instead of rtx.
7537 (ix86_expand_compare): Expand comparison early in case
7538 doing so is resonably cheap.
7540 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7542 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7544 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7545 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7547 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7549 * dbxout.c (dbxout_source_line): Make static, update prototype.
7550 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7551 (dbxout_init, dbxout_finish, dbxout_source_line,
7552 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7553 * dbxout.h (dbxout_source_line): Delete.
7554 * debug.c (debug_nothing_file, debug_nothing_file_int,
7555 debug_nothing_file_charstar_rtx): New.
7556 (do_nothing_debug_hooks): Update.
7557 (debug_nothing_void, debug_nothing_charstar_rtx,
7558 dwarf2out_end_epilogue): New.
7559 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7560 * debug.h (struct rtx_def): Declare.
7561 (gcc_debug_hooks): New hooks source_line, end_epilogue
7563 (debug_nothing_void, debug_nothing_charstar_rtx,
7564 dwarf2out_end_epilogue): New.
7565 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7566 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7567 (dwarf2_debug_hooks): Update.
7568 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7569 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7570 * dwarf2out.h (dwarf2out_source_line): Remove.
7571 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7572 Make static, update prototype.
7573 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7574 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7575 (dwarf_debug_hooks): Update.
7576 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7577 dwarfout_end_function): Remove.
7578 * final.c (profile_function): Use debug hooks for ending functions
7580 (output_source_line, final_end_function): Update prototype,
7582 (final_start_function, final_scan_insn): Update.
7583 * output.h (sdb_begin_function_line): Remove.
7584 (final_end_function): Update prototype.
7585 * sdbout.c (sdb_begin_function_line): Make static.
7586 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7587 (sdbout_source_line): New.
7588 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7590 (sdb_debug_hooks): Update.
7591 (sdbout_init, sdbout_source_line,
7592 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7593 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7594 * toplev.c (compile_file, rest_of_compilation): Update.
7595 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7596 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7597 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7598 Update for prototype changes.
7599 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7600 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7602 2001-07-15 Richard Henderson <rth@redhat.com>
7604 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7605 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7606 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7607 * config/alpha/alpha.c: Likewise.
7608 * config/alpha/alpha.md: Likewise.
7609 * config/alpha/alpha32.h: Likewise.
7610 * config/alpha/vms.h: Likewise.
7613 2001-07-14 Richard Henderson <rth@redhat.com>
7615 * config/alpha/alpha.md: Use define_constants for unspec values.
7616 Substitute throughout.
7618 2001-07-14 Tim Josling <tej@melbpc.org.au>
7620 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7622 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7624 * pa.md: Remove unused constraints from define_split's.
7626 2001-04-14 Richard Henderson <rth@redhat.com>
7628 * ifcvt.c (find_cond_trap): Test for exit block.
7630 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7632 Re-install recently reverted patch.
7633 * emit-rtl.c (try_split): Update mark_jump_label call.
7634 * flow.c (find_sub_basic_blocks): Likewise.
7635 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7637 (mark_all_labels): Kill second parameter.
7638 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7639 (rebuild_jump_labels, jump_optimize_minimal): Update call
7641 (jump_optimize_1): Kill crossjumping code.
7642 (mark_jump_label): Kill cross_jump parameter.
7643 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7644 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7645 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7647 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7649 (dump_file_info): Likewise.
7650 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7651 reorganize passes to do reg-stack first, bb-reorder second.
7652 * invoke.texi (-d letters doc): Remove the jump2 pass.
7654 2001-07-14 Richard Henderson <rth@redhat.com>
7656 * ifcvt.c (find_cond_trap): New.
7657 (find_if_header): Call it.
7658 (merge_if_block): Relax existing jump sanity check.
7659 * jump.c (jump_optimize_1): Remove conditional trap handling.
7661 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7663 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7665 (insn_refs_are_delayed): Correct comment.
7666 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7667 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7668 instead of r31. Make associated insn !TARGET_64BIT, and
7669 provide an additional 64-bit insn that clobbers r2.
7671 (udivsi3): Likewise.
7673 (umodsi3): Likewise.
7675 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7677 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7679 * flow.c (redirect_edge_and_branch_force, split_edge,
7680 try_crossjump_to_edge): Use set_block_for_new_insns.
7681 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7683 2001-07-13 H.J. Lu (hjl@gnu.org)
7685 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7688 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7690 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7692 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7694 * c-common.c (decl_attributes): Take a pointer to the node to
7695 which attributes are to be attached, and a flags argument.
7696 * c-common.h (enum attribute_flags): New.
7697 (decl_attributes): Update prototype.
7698 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7699 finish_enum, start_function): Update calls to decl_attributes.
7700 * c-parse.in (component_declarator, component_notype_declarator,
7701 label): Update calls to decl_attributes.
7703 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7705 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7706 * config/avr/avr.c (legitimate_address_p): Return value changed
7707 from letter to register classes. For better debugging.
7709 2001-07-13 Kazu Hirata <kazu@hxi.com>
7711 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7713 2001-07-13 H.J. Lu (hjl@gnu.org)
7715 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7717 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7719 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7720 correctly for shared configurations.
7721 * config/t-libgcc-pic: New.
7722 * config/{i386,m68k,sparc}/t-openbsd: New.
7723 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7724 Support -shared. Support debugging libraries with -g.
7725 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7726 frame information does not emit pointer diffs.
7727 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7730 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7732 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7734 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7736 * combine.c (try_combine): Ensure const_int pow2 is positive.
7738 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7740 * config.gcc: Add configuration for s/390.
7741 * config/s390/s390.c: New. Subroutines for code generation.
7742 * config/s390/s390.h: New. Definitions for s/390.
7743 * config/s390/s390-protos.h: New. Prototypes.
7744 * config/s390/linux.h: New. Definitions for linux for s/390.
7745 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7746 * config/s390/t-linux: New. Makefile fragment.
7747 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7748 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7750 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7752 * emit-rtl.c (try_split): Update mark_jump_label call.
7753 * flow.c (find_sub_basic_blocks): Likewise.
7754 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7756 (mark_all_labels): Kill second parameter.
7757 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7758 (rebuild_jump_labels, jump_optimize_minimal): Update call
7760 (jump_optimize_1): Kill crossjumping code.
7761 (mark_jump_label): Kill cross_jump parameter.
7762 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7763 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7764 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7766 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7768 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7769 reorganize passes to do reg-stack first, bb-reorder second.
7770 * invoke.texi (-d letters doc): Remove the jump2 pass.
7772 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7774 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7776 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7778 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7780 (verify_flow_info): Make diagnostics prettier.
7782 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7784 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7786 * flow.c (outgoing_edges_match): Return early if condition reversal
7789 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7791 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7792 (mips_move_2words): When splitting a move into two instructions,
7793 prefix the second address operand with '%D'.
7795 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7797 * Makefile.in (final.o): Depend on debug.h.
7798 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7799 (dbx_debug_hooks): Add new hooks.
7800 (xcoff_debug_hooks): New.
7801 * debug.c (debug_nothing_file_int_int): New.
7802 (do_nothing_debug_hooks): Update.
7803 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7804 (debug_nothing_file_int_int): New.
7805 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7806 static, update prototype.
7807 (dwarf2_debug_hooks): Update.
7808 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7809 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7810 static, update prototype.
7811 (dwarf_debug_hooks): Update.
7812 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7813 * final.c: Include debug.h.
7814 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7815 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7816 static, update prototype.
7817 (sdb_debug_hooks): Update.
7818 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7819 * toplev.c: Distinguish between xcoff and dbx.
7821 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7822 Call all debug hooks, not just dwarf ones.
7824 2001-07-11 Timothy Wall <twall@redhat.com>
7826 * config.gcc: Add configuration for AIX5/IA64.
7827 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7828 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7829 support prefix/suffix code.
7830 * config/ia64/t-aix: New. Makefile fragment.
7831 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7833 2001-07-11 Kazu Hirata <kazu@hxi.com>
7835 * recog.c (validate_change): Fix a comment typo.
7837 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7839 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7840 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7842 * dbxout.c (dbx_debug_hooks): Add new hooks.
7843 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7845 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7847 * dbxout.h (dbxout_start_new_source_file,
7848 dbxout_resume_previous_source_file): Delete.
7849 * debug.c (do_nothing_debug_hooks): Add new hooks.
7850 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7851 (debug_nothing_int_charstar, debug_nothing_int): New.
7852 * debug.h (gcc_debug_hooks): New hooks define, undef,
7853 start_source_file and end_source_file.
7854 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7855 (debug_nothing_int_charstar, debug_nothing_int): New.
7856 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7857 the conditionally compiled section.
7858 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7859 dwarf2out_define, dwarf2out_undef): Make static.
7860 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7861 dwarf2out_define, dwarf2out_undef): Remove.
7862 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7863 (dwarfout_start_source_file, dwarfout_end_source_file,
7864 dwarfout_define, dwarfout_undef): Make static.
7865 (dwarfout_start_source_file_check,
7866 dwarfout_end_source_file_check): New.
7867 (dwarfout_define, dwarfout_finish): Update.
7868 * dwarfout.h (dwarfout_start_new_source_file,
7869 dwarfout_resume_previous_source_file, dwarfout_define,
7870 dwarfout_undef): Remove.
7871 * sdbout.c (sdb_debug_hooks): Add new hooks.
7872 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7874 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7875 make static, take an arg.
7876 * sdbout.h (sdbout_start_new_source_file,
7877 sdbout_resume_previous_source_file): Delete.
7878 * toplev.c (debug_start_source_file, debug_end_source_file,
7879 debug_define, debug_undef): Delete.
7880 * toplev.h (debug_start_source_file, debug_end_source_file,
7881 debug_define, debug_undef): Delete.
7883 * java/jcf-parse.c: Include debug.h.
7884 (parse_class_file): Update to use debug hooks directly.
7885 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7887 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7889 * alias.c (set_mem_alias_set): New function.
7890 * rtl.h (set_mem_alias_set): Declare it.
7891 * builtins.c (expand_builtin_return_addr): Call it instead of
7892 using MEM_ALIAS_SET accessor.
7893 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7894 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7895 (expand_builtin_va_copy):Likewise.
7896 * caller-save.c (setup_save_areas): Likewise.
7897 * calls.c (compute_argument_addresses): Likewise.
7898 * explow.c (set_mem_attributes): Likewise.
7899 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7900 (expand_assignment, store_constructor_field, store_field): Likewise.
7901 (expand_expr_unaligned): Likewise.
7902 * function.c (assign_stack_temp_for_type): Likewise.
7903 (put_reg_into_stack, gen_mem_addressof): Likewise.
7904 * ifcvt.c (noce_try_cmove_arith): Likewise.
7905 * reload1.c (reload, alter_reg): Likewise.
7906 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7907 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7908 (alpha_expand_unaligned_store): Likewise
7909 (alpha_expand_unaligned_load_words): Likewise.
7910 (alpha_expand_unaligned_store_words): Likewise.
7911 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7912 (alpha_expand_epilogue): Likewise.
7913 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7914 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7915 * config/i386/i386.c (legitimize_pic_address): Likewise.
7916 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7917 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7918 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7919 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7920 * config/mips/mips.c (mips_va_arg): Likewise.
7921 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7922 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7923 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7924 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7925 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7926 (rs6000_emit_epilogue): Likewise.
7927 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7928 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7929 * config/v850/v850.c (v850_va_arg): Likewise.
7931 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7933 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7934 when fallthru edge is present.
7935 (mege_blocks): Handle case where creation of jump insn
7938 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7939 CLEANUP_POST_REGSTACK): New constants.
7940 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7941 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7942 * output.h (cleanup_cfg): Update prototype.
7943 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7944 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7945 cleanup_cfg call; kill missleading comment.
7946 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7947 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7948 parameter; control optimizations performed using it.
7949 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7950 try_crossjump_bb): New functions.
7952 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7954 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7956 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7957 pa_output_function_prologue.
7958 * pa-protos.h (pa_output_function_prologue): New prototype.
7960 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7962 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7963 and low to get correct sign extension in low+high test.
7965 2001-07-11 Janis Johnson <janis@us.ibm.com>
7967 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7968 for large hit count.
7970 * profile.c (branch_prob): Fix .bbg info for computed gotos
7973 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7975 * stmt.c (parse_output_constraint): New function, split out
7977 (expand_asm_operands): ... here. Use parse_output_constraint.
7978 * tree.h (parse_output_constraint): Declare it.
7980 2001-07-11 Richard Henderson <rth@redhat.com>
7982 * bitmap.c: Comment some functions; fiddle whitespace.
7983 (bitmap_free): Don't export.
7984 (bitmap_element_allocate): Use memset.
7985 * bitmap.h (bitmap_free): Don't declare.
7987 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7989 * gcse.c, lcm.c, sched-deps.c:
7990 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7992 * flow.c (flow_loops_find): Free dom if we found no loops, since
7993 we aren't going to save it.
7995 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7998 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
8000 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
8002 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8004 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
8005 #ifndef DWARF2_DEBUGGING_INFO.
8007 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8009 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
8011 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8013 * config/mips/mips.c (gen_int_relational): Tell the caller not to
8014 reverse a branch if a NE comparison is implemented with GTU.
8016 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8017 H.J. Lu <hjl@gnu.org>
8019 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
8021 (call_internal2): Likewise.
8022 (call_value_internal1): Likewise.
8023 (call_value_internal2): Likewise.
8024 (call_value_multiple_internal1): Likewise.
8025 (call_value_multiple_internal2): Likewise.
8027 2001-07-10 Kazu Hirata <kazu@hxi.com>
8029 * calls.c (emit_library_call_value_1): Fix a comment typo.
8030 * dwarf2out.c (mem_loc_descriptor): Likewise.
8031 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
8033 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
8035 * simplify-rtx.c (simplify_subreg): Fix typo in comment
8037 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8039 * recog.c (offsettable_address_p): Handle LO_SUM case.
8040 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
8041 instead of plus_constant.
8043 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8045 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
8046 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
8048 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8050 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
8051 adjust_address_nv instead of plus_constant.
8053 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
8055 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
8056 dwarf2out.o): Depend on debug.h, wrap long lines.
8057 * dbxout.c: Include debug.h.
8058 (dbx_debug_hooks): New.
8059 (dbxout_init): Make static, take just 2 args.
8060 (dbxout_finish): Make static.
8061 * dbxout.h (dbxout_init, dbxout_finish): Delete.
8062 * debug.c: New file.
8063 * debug.h: New file.
8064 * dwarf2out.c: Include debug.h.
8065 (dwarf2_debug_hooks): New.
8066 (dwarf2out_init): Make static.
8067 (dwarf2out_finish): Make static, take 2 args.
8068 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
8069 * dwarfout.c: Include debug.h.
8070 (dwarf_debug_hooks): New.
8071 (dwarfout_init): Make static.
8072 (dwarfout_finish): Make static, take 2 args.
8073 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
8074 * sdbout.c: Include debug.h.
8075 (sdb_debug_hooks): New.
8076 (sdbout_init): Make static, take 2 args.
8077 * sdbout.h (sdbout_init): Delete.
8078 * toplev.c: Include debug.h.
8080 (compile_file): Set deubg_hooks based on command line options.
8081 Use the hooks unconditionally rather than conditional compilation.
8083 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
8085 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
8086 first_insn_after_basic_block_note instead.
8088 * df.c (df_bb_refs_unlink): #if 0 out for now.
8090 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
8092 * ssa.h: Add prototype for ssa_const_prop
8093 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
8094 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
8095 (ssa_fast_dce): Remove unused variable
8097 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8099 * diagnostic.c (finish_diagnostic): Rename to
8100 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
8103 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
8105 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
8108 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
8109 (dump_file): Only pad the demangled name with spaces if the
8110 mangled name was padded with spaces.
8112 2001-07-10 Bernd Schmidt <bernds@redhat.com>
8114 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
8117 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8119 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
8120 extraction if no direct load if either EXPAND_CONST_ADDRESS or
8123 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
8124 whether can put offset inside LO_SUM to check mode alignment, not size.
8126 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8128 * doc/tm.texi (Misc): Fix thinko.
8130 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
8132 * regmove.c (replace_in_call_usage): Fix warnings.
8133 * sched-deps.c (add_dependence): Fix warnings.
8134 * simplify-rtx.c (simplify_subreg): Likewise.
8135 Return NULL_RTX instead of NULL.
8137 * reg-stack.c (emit_swap_insn): Eliminate warnings.
8138 (subst_asm_stack_regs): Likewise.
8140 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
8143 * dwarf2out.c (output_call_frame_info): Declare i as int.
8144 (build_abbrev_table): Declare n_alloc as int.
8145 (dwarf2out_finish): Initialize die.
8146 * except.c: Declare sjlj_funcdef_number as unsigned.
8147 (connect_post_landing_pads): Declare j as unsigned.
8148 (convert_to_eh_region_ranges): Initialize call_site.
8149 (output_function_exception_table): Initialize tt_format_size.
8150 * expr.c (move_by_pieces_1): Initialize to1.
8151 (store_constructor): Initialize minelt and maxelt.
8152 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
8153 * function.c (instantiate_decls): Avoid signed/unsigned warning.
8155 * c-decl.c (combine_parm_decls): Unused, remove.
8156 * c-tree.h: Remove prototype for combine_parm_decls.
8158 * reload.c (push_reload): Fix warning.
8159 (regno_clobbered_p): Likewise.
8160 * reload1.c (replace_pseudos_in_call_usage): Likewise.
8161 (reload_combine): Likewise.
8163 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
8164 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
8166 * bitmap.c (bitmap_operation): Change user.
8167 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
8169 2001-07-10 Eric Christopher <echristo@redhat.com>
8171 * config/mips/mips.c (override_options): Fix typo.
8173 2001-07-09 Stan Shebs <shebs@apple.com>
8175 * target.h (struct gcc_target): New fields init_builtins and
8177 * target-def.h (TARGET_INIT_BUILTINS): New macro.
8178 (TARGET_EXPAND_BUILTIN): New macro.
8179 (TARGET_INITIALIZER): Add them.
8180 * builtins.c: Include target.h.
8181 (expand_builtin): Use targetm.expand_builtin.
8182 (default_init_builtins): New function.
8183 (default_expand_builtin): New function.
8184 * expr.h (default_init_builtins): Declare.
8185 (default_expand_builtin): Declare.
8186 * c-common.c (c_common_nodes_and_builtins): Use
8187 targetm.init_builtins.
8188 * defaults.h (MD_INIT_BUILTINS): Remove.
8189 * Makefile.in (builtins.o): Depend on target.h.
8191 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
8192 (TARGET_EXPAND_BUILTIN): Define.
8193 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
8194 (MD_EXPAND_BUILTIN): Remove.
8196 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
8197 (TARGET_EXPAND_BUILTIN): Define.
8198 (c4x_init_builtins): Make endlink arg a local.
8199 (c4x_print_operand): Fix typos in adjust_address usages.
8200 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
8201 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
8202 (MD_EXPAND_BUILTIN): Remove.
8204 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
8205 (TARGET_EXPAND_BUILTIN): Define.
8206 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
8207 (ix86_init_builtins): Call new function only if TARGET_MMX.
8208 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
8209 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
8210 (MD_EXPAND_BUILTIN): Remove.
8212 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
8213 (TARGET_EXPAND_BUILTIN): Define.
8214 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
8215 (MD_EXPAND_BUILTIN): Remove.
8217 * doc/tm.texi: Document these changes.
8219 2001-07-09 Diego Novillo <dnovillo@redhat.com>
8221 * basic-block.h (tree_node): Forward declare if needed.
8222 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
8223 (BLOCK_HEAD_TREE): Define.
8224 (BLOCK_END_TREE): Define.
8225 (struct loops): Rename field 'tree' to 'tree_root'.
8226 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
8228 (flow_loops_tree_build): Rename reference to field 'tree' to
8230 (flow_loops_level_compute): Ditto.
8231 * predict.c (estimate_bb_frequencies): Ditto.
8232 * tree.h (struct tree_common): Add field 'aux'.
8234 2001-07-09 Stan Shebs <shebs@apple.com>
8236 * config/darwin.c (darwin_encode_section_info): Don't mark any
8237 DECL_EXTERNAL node as defined.
8239 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
8241 * pa.c (pa_init_machine_status, pa_mark_machine_status,
8242 pa_free_machine_status, hppa_init_pic_save): Delete.
8243 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
8244 (hppa_profile_hook): Use hppa_pic_save_rtx.
8245 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
8246 hppa_init_pic_save): Delete.
8247 (hppa_pic_save_rtx): Declare.
8248 * pa.md (call, call_value, sibcall, sibcall_value,
8249 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
8251 2001-07-09 Kazu Hirata <kazu@hxi.com>
8253 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
8254 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
8256 2001-07-09 Andreas Jaeger <aj@suse.de>
8258 * output.h: Add declaration of final_forward_branch_p.
8260 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
8262 * varray.c: Include errors.h for internal_error and trim_filename
8265 * Makefile.in (varray.o): Add errors.h.
8267 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
8269 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
8270 * optabs.c (have_add2_insn): Check whether the add insn chosen
8271 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
8272 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
8274 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
8276 * Makefile.in (OBJS): Add ssa-ccp.o
8277 (ssa-ccp.o): Add dependencies.
8278 * toplev.c (DFI_ssa_ccp): New dump file enum.
8279 (dump_file): Add entry for dumping after SSA CCP.
8280 (flag_ssa_ccp): New flag variable.
8281 (f_options): Add -fssa-ccp.
8282 (rest_of_compilation): Run SSA CCP if requested.
8283 * timevar.def (TV_SSA_CCP): New timevar.
8284 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
8285 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
8286 Fix minor typo in SSA DCE documentation.
8287 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
8288 Add documentation for new dump option. Renumber dump files
8291 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8293 * emit-rtl.c (gen_highpart_mode): New.
8294 * rtl.h (gen_highpart_mode): Declare.
8295 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
8296 operand can be VOIDmode constant.
8298 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
8300 * flow.c (redirect_edge_and_branch_force): New.
8301 (can_fallthru): Ensure that basic blocks are succeeding.
8302 (try_optimize_cfg): Do not delete basic block if it is the last one.
8304 * flow.c (try_redirect_by_replacing_jump): Do not remove
8305 jumps with side effects, unlink chain on fallthru edge;
8306 set block for new jump instruction; avoid basic block to
8307 over by line number note.
8309 * flow.c (try_simplify_condjump): Verify that the condjump
8310 is not always falling trought.
8313 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8315 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8316 (try_redirect_by_replacing_jump): Update properly the count
8317 and frequency information.
8319 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8321 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8322 address that is a LO_SUM specially.
8323 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8325 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8327 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8328 (operand_subword): Use them.
8329 (change_address_1): Renamed from change_address; new arg VALIDATE.
8330 * expr.h: Reflect above changes; change_address now macro.
8331 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8333 * cselib.c (add_mem_for_addr): Likewise.
8334 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8335 * regmove.c (try_apply_stack_adjustment): Likewise.
8336 * reload.c (push_reload, make_memloc): Likewise.
8337 * reload1.c (eliminate_regs): Likewise.
8338 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8339 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8341 * combine.c (make_extraction, simplify_shift_const): Likewise.
8342 (gen_lowpart_for_combine): Likewise.
8343 * cse.c (gen_lowpart_if_possible): Likewise.
8344 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8345 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8346 * optabs.c (gen_move_insn): Likewise.
8347 * reload1.c (alter_reg): Likewise.
8348 * simplify-rtx.c (simplify_subreg): Likewise.
8349 * stmt.c (expand_anon_union_decl): Likewise.
8350 * recog.c (validate_replace_rtx_1): Likewise.
8352 * Makefile.in (recog.o): Add $(EXPR_H).
8353 * explow.c (stabilize): Call replace_equiv_address.
8354 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8355 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
8357 2001-07-03 Andrew Haley <aph@redhat.com>
8359 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
8360 the mode of the memory location.
8362 2001-07-09 Bo Thorsen <bo@suse.co.uk>
8364 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
8366 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
8368 * final.c (output_addr_const): Use target opening and
8369 closing parentheses.
8370 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
8371 defaults, add to TARGET_ASM_OUT.
8372 * target.h (struct gcc_target): Add open_paren and close_paren.
8373 * doc/md.texi: Update.
8374 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8375 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8376 TARGET_ASM_CLOSE_PAREN.
8377 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8379 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8381 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
8382 * config/a29k/a29k.h: Similarly.
8383 * config/alpha/alpha.h: Similarly.
8384 * config/arc/arc.h: Similarly.
8385 * config/arm/aof.h: Similarly.
8386 * config/arm/aout.h: Similarly.
8387 * config/avr/avr.h: Similarly.
8388 * config/c4x/c4x.h: Similarly.
8389 * config/clipper/clipper.h: Similarly.
8390 * config/convex/convex.h: Similarly.
8391 * config/d30v/d30v.h: Similarly.
8392 * config/dsp16xx/dsp16xx.h: Similarly.
8393 * config/elxsi/elxsi.h: Similarly.
8394 * config/fr30/fr30.h: Similarly.
8395 * config/h8300/h8300.h: Similarly.
8396 * config/i370/i370.h: Similarly.
8397 * config/i386/i386.h: Similarly.
8398 * config/i860/i860.h: Similarly.
8399 * config/i960/i960.h: Similarly.
8400 * config/ia64/ia64.h: Similarly.
8401 * config/m32r/m32r.h: Similarly.
8402 * config/m68hc11/m68hc11.h: Similarly.
8403 * config/m68k/m68k.h: Similarly.
8404 * config/m88k/m88k.h: Similarly.
8405 * config/mcore/mcore.h: Similarly.
8406 * config/mips/mips.h: Similarly.
8407 * config/mn10200/mn10200.h: Similarly.
8408 * config/mn10300/mn10300.h: Similarly.
8409 * config/ns32k/ns32k.h: Similarly.
8410 * config/pa/pa.h: Similarly.
8411 * config/pdp11/pdp11.h: Similarly.
8412 * config/pj/pj.h: Similarly.
8413 * config/romp/romp.h: Similarly.
8414 * config/rs6000/rs6000.h: Similarly.
8415 * config/sh/sh.h: Similarly.
8416 * config/sparc/sparc.h: Similarly.
8417 * config/v850/v850.h: Similarly.
8418 * config/vax/vax.h: Similarly.
8419 * config/we32k/we32k.h: Similarly.
8421 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8423 * doc/c-tree.texi: Document representation of attributes.
8425 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8427 * doc/tm.texi: Update some places for the rename of target to
8430 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8432 * target.h (struct gcc_target): Add insert_attributes.
8433 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8434 (TARGET_INITIALIZER): Update.
8435 * tree.c, tree.h (default_insert_attributes): New function.
8436 Update comments on other default functions to refer to targetm,
8438 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8439 TARGET_INSERT_ATTRIBUTES.
8440 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8441 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8442 Don't use PRAGMA_INSERT_ATTRIBUTES.
8443 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8444 * c-decl.c (start_decl, start_function): Don't call
8445 SET_DEFAULT_DECL_ATTRIBUTES.
8446 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8447 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8449 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8450 (c4x_check_attribute): Avoid modifying attribute list itself.
8451 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8453 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8454 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8456 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8457 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8459 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8460 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8462 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8463 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8464 Adjust parameters. Make static.
8466 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8468 * c-common.c (decl_attributes): Only take a single attributes
8470 * c-common.h (decl_attributes): Update prototype.
8471 * c-decl.c (start_decl, start_function): Only take a single
8472 attributes parameter. Update calls to decl_attributes.
8473 (finish_struct, finish_enum): Update calls to decl_attributes.
8474 (push_parm_decl): Expect unified list of attributes. Update call
8476 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8477 notype_nested_function, component_declarator,
8478 component_notype_declarator, label): Update calls to
8480 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8481 lists that are passed to push_parm_decl.
8482 * c-tree.h (start_function, start_decl): Update prototypes.
8483 * config/sh/sh-protos.h, config/sh/sh.c
8484 (sh_pragma_insert_attributes): Only take a single attributes
8486 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8487 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8488 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8489 build_module_descriptor, generate_static_references,
8490 generate_strings, build_selector_translation_table,
8491 generate_descriptor_table, generate_protocols,
8492 generate_ivars_list, generate_dispatch_table,
8493 generate_protocol_list, generate_category,
8494 generate_shared_structures, really_start_method, add_objc_decls,
8495 generate_classref_translation_entry): Update calls to start_decl
8497 (build_tmp_function_decl, start_method_def): Unify attribute lists
8498 that are passed to push_parm_decl.
8500 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8502 * final.c (no_asm_to_stream): New.
8503 (final_scan_insn): Use target structures for prologue ends
8504 and epilogue starts.
8505 * output.h (no_asm_to_stream): New.
8506 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8507 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8508 (TARGET_ASM_OUT): Update.
8509 * target.h (struct gcc_target): New members function_end_prologue
8510 and function_begin_epilogue.
8511 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8512 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8513 * config/alpha/alpha.c (output_end_prologue): Rename to
8514 alpha_output_function_end_prologue. Use in target struct
8516 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8517 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8518 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8519 ia64_output_function_end_prologue. Use in target struct
8521 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8522 mistyped prototypes.
8523 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8524 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8526 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8527 an use in target struct, make static.
8528 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8531 2001-07-08 Richard Henderson <rth@redhat.com>
8533 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8535 2001-07-08 Richard Henderson <rth@redhat.com>
8537 * config/i386/i386.md: Remove constraints strings from define_split
8538 and define_peephole2 patterns.
8539 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8540 (eh_return): Use them.
8542 2001-07-08 Richard Henderson <rth@redhat.com>
8544 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8545 Document MD_FALLBACK_FRAME_STATE_FOR.
8547 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8549 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8550 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8552 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8554 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8556 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8557 of the label inside NAME as opposed to just the end of NAME.
8559 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8561 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8562 * config/alpha/alpha.c (alpha_init_machine_status,
8563 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8564 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8565 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8566 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8568 2001-07-06 Stan Shebs <shebs@apple.com>
8570 * target.h (targetm): Rename global from "target", so as not to
8571 conflict with local variables.
8573 * c-typeck.c: Ditto.
8577 * cp/decl2.c: Ditto.
8578 * cp/typeck.c: Ditto.
8579 * 1750a/1750a.c: Ditto.
8580 * a29k/a29k.c: Ditto.
8584 * clipper/clipper.c: Ditto.
8585 * convex/convex.c: Ditto.
8586 * d30v/d30v.c: Ditto.
8587 * dsp16xx/dsp16xx.c: Ditto.
8588 * elxsi/elxsi.c: Ditto.
8589 * fr30/fr30.c: Ditto.
8590 * h8300/h8300.c: Ditto.
8591 * i370/i370.c: Ditto.
8592 * i386/i386.c: Ditto.
8593 * i860/i860.c: Ditto.
8594 * i960/i960.c: Ditto.
8595 * ia64/ia64.c: Ditto.
8596 * m32r/m32r.c: Ditto.
8597 * m68hc11/m68hc11.c: Ditto.
8598 * m68k/m68k.c: Ditto.
8599 * m88k/m88k.c: Ditto.
8600 * mips/mips.c: Ditto.
8601 * ns32k/ns32k.c: Ditto.
8603 * pdp11/pdp11.c: Ditto.
8604 * romp/romp.c: Ditto.
8605 * rs6000/rs6000.c: Ditto.
8607 * sparc/sparc.c: Ditto.
8609 * we32k/we32k.c: Ditto.
8610 * doc/tm.texi: Update the manual to match.
8612 2001-07-06 Richard Henderson <rth@redhat.com>
8614 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8615 DWARF2_UNWIND_INFO not just whether it is defined.
8617 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8619 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8620 call to simplify_binary_operation returns a new pattern.
8622 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8624 * glimits.h (__SHRT_MAX__): New.
8625 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8626 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8628 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8630 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8633 2001-07-06 Richard Henderson <rth@redhat.com>
8635 * bitmap.c (bitmap_release_memory): Move adjacent to the
8636 allocation functions.
8637 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8638 the implementation. Binary search for the set bit.
8639 (bitmap_union_of_diff): Allocate the temporary on the stack
8640 instead of using xmalloc.
8642 2001-07-06 Richard Henderson <rth@redhat.com>
8644 * genrecog.c (validate_pattern): Warn for constraints in
8645 define_{expand,split,peephole2}. Remove strict_low_part
8646 before looking up match_dup.
8648 2001-07-06 DJ Delorie <dj@redhat.com>
8650 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8651 chapter about various build hints and history. Add section
8652 talking about the various types of native and cross builds.
8654 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8656 * Makefile.in (final.o): Depend on target.h.
8657 * final.c: Include target.h.
8658 (default_function_pro_epilogue): New.
8659 (final_start_function): Use target structure for function prologues.
8660 (final_end_function): Use target structure for function epilogues.
8661 * fold-const.c (real_hex_to_f): Constify s and p.
8662 * output.h (default_function_pro_epilogue): New.
8663 * real.h (real_hex_to_f): Update prototype.
8664 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8665 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8666 (TARGET_INITIALIZER): Update.
8667 * target.h (gcc_target): Add struct asm_out.
8668 * doc/tm.texi: Update.
8671 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8672 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8673 in cpu/cpu.c, or rename old functions consistently. Take
8674 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8675 redundant macros and prototypes. Make new functions static.
8677 * 1750a/1750a.c: Similarly.
8678 * 1750a/1750a.h: Similarly.
8679 * a29k/a29k-protos.h: Similarly.
8680 * a29k/a29k.c: Similarly.
8681 * a29k/a29k.h: Similarly.
8682 * arc/arc-protos.h: Similarly.
8683 * arc/arc.c: Similarly.
8684 * arc/arc.h: Similarly.
8685 * arm/arm-protos.h: Similarly.
8686 * arm/arm.c: Similarly.
8687 * arm/arm.h: Similarly.
8688 * avr/avr-protos.h: Similarly.
8689 * avr/avr.c: Similarly.
8690 * avr/avr.h: Similarly.
8691 * clipper/clipper-protos.h: Similarly.
8692 * clipper/clipper.c: Similarly.
8693 * clipper/clipper.h: Similarly.
8694 * convex/convex.c: Similarly.
8695 * convex/convex.h: Similarly.
8696 * d30v/d30v-protos.h: Similarly.
8697 * d30v/d30v.c: Similarly.
8698 * d30v/d30v.h: Similarly.
8699 * d30v/d30v.md: Similarly.
8700 * dsp16xx/dsp16xx-protos.h: Similarly.
8701 * dsp16xx/dsp16xx.c: Similarly.
8702 * dsp16xx/dsp16xx.h: Similarly.
8703 * elxsi/elxsi.c: Similarly.
8704 * elxsi/elxsi.h: Similarly.
8705 * fr30/fr30.c: Similarly.
8706 * fr30/fr30.md: Similarly.
8707 * h8300/h8300-protos.h: Similarly.
8708 * h8300/h8300.c: Similarly.
8709 * h8300/h8300.h: Similarly.
8710 * i370/i370-protos.h: Similarly.
8711 * i370/i370.c: Similarly.
8712 * i370/i370.h: Similarly.
8713 * i386/i386.c: Similarly.
8714 * i386/osf1elf.h: Similarly.
8715 * i386/osfrose.h: Similarly.
8716 * i860/i860-protos.h: Similarly.
8717 * i860/i860.c: Similarly.
8718 * i860/i860.h: Similarly.
8719 * i960/i960-protos.h: Similarly.
8720 * i960/i960.c: Similarly.
8721 * i960/i960.h: Similarly.
8722 * ia64/ia64-protos.h: Similarly.
8723 * ia64/ia64.c: Similarly.
8724 * ia64/ia64.h: Similarly.
8725 * m32r/m32r-protos.h: Similarly.
8726 * m32r/m32r.c: Similarly.
8727 * m32r/m32r.h: Similarly.
8728 * m68hc11/m68hc11-protos.h: Similarly.
8729 * m68hc11/m68hc11.c: Similarly.
8730 * m68hc11/m68hc11.h: Similarly.
8731 * m68k/crds.h: Similarly.
8732 * m68k/dpx2.h: Similarly.
8733 * m68k/m68k-protos.h: Similarly.
8734 * m68k/m68k.c: Similarly.
8735 * m68k/m68k.h: Similarly.
8736 * m68k/news.h: Similarly.
8737 * m88k/m88k-protos.h: Similarly.
8738 * m88k/m88k.c: Similarly.
8739 * m88k/m88k.h: Similarly.
8740 * mips/mips-protos.h: Similarly.
8741 * mips/mips.c: Similarly.
8742 * mips/mips.h: Similarly.
8743 * ns32k/merlin.h: Similarly.
8744 * ns32k/ns32k.c: Similarly.
8745 * ns32k/ns32k.h: Similarly.
8746 * ns32k/tek6000.h: Similarly.
8747 * pa/pa-protos.h: Similarly.
8748 * pa/pa.c: Similarly.
8749 * pa/pa.h: Similarly.
8750 * pdp11/2bsd.h: Similarly.
8751 * pdp11/pdp11-protos.h: Similarly.
8752 * pdp11/pdp11.c: Similarly.
8753 * pdp11/pdp11.h: Similarly.
8754 * romp/romp-protos.h: Similarly.
8755 * romp/romp.c: Similarly.
8756 * romp/romp.h: Similarly.
8757 * rs6000/rs6000-protos.h: Similarly.
8758 * rs6000/rs6000.c: Similarly.
8759 * rs6000/rs6000.h: Similarly.
8760 * rs6000/sysv4.h: Similarly.
8761 * sh/sh-protos.h: Similarly.
8762 * sh/sh.c: Similarly.
8763 * sh/sh.h: Similarly.
8764 * sparc/sparc-protos.h: Similarly.
8765 * sparc/sparc.c: Similarly.
8766 * sparc/sparc.h: Similarly.
8767 * vax/vax.c: Similarly.
8768 * vax/vax.h: Similarly.
8769 * vax/vms.h: Similarly.
8770 * we32k/we32k.c: Similarly.
8771 * we32k/we32k.h: Similarly.
8773 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8775 * basic-block.h (first_insn_after_basic_block_note): Declare.
8776 * flow.c (first_insn_after_basic_block_note): Define. Moved
8778 * ssa.c (first_insn_after_basic_block_note): Remove.
8779 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8781 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8782 nodes when we find a dead conditional branch. Insert BARRIERs
8783 after any blocks with no successors, but which do not have
8786 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8788 * varray.c (varray_check_failed): Use internal_error.
8790 2001-07-05 Andrew Haley <aph@redhat.com>
8792 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8793 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8794 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8796 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8798 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8799 reference if the target constant is also a SYMBOL_REF.
8801 2001-07-05 Eric Christopher <echristo@redhat.com>
8803 * config/mips/mips.h (MASK_MIPS3900): Remove.
8804 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8805 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8806 (TARGET_MIPS3900): Change to use mips_arch.
8807 (TARGET_MIPS4000): New.
8808 (TARGET_MIPS4100): New.
8809 (TARGET_MIPS4300): New.
8810 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8811 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8813 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8814 (ISA_HAS_BRANCHLIKELY): To here.
8815 (CC1_CPU_SPEC): New.
8816 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8817 (mips_arch_string): Declare.
8818 (mips_arch): Declare.
8819 (TARGET_OPTIONS): Add -march and -mtune.
8821 * config/mips/mips.c (mips_arch_string): New.
8823 (override_options): Handle -march for codegen and -mtune
8824 for scheduling. Use mips_arch. Move tx39 target default here.
8825 (mips_parse_cpu): Move error message to override_options.
8827 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8829 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8831 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8832 (MIPS Options): Ditto. Change mcpu entry to historical text.
8834 2001-07-05 H.J. Lu (hjl@gnu.org)
8836 * config/mips/mips.c (mips_parse_cpu): New function to parse
8839 2001-07-05 Jim Wilson <wilson@redhat.com>
8841 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8842 * config/ia64/t-ia64: Likewise.
8843 (LIB1ASMFUNCS): Update comment.
8845 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8847 * doc/install.texi (Install GCC: Binaries): Fix typo.
8849 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8851 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8852 reference using the stack pointer, adjust it since we push Y
8854 ("*ashrsi3"): Likewise.
8855 ("*lshrsi3"): Likewise.
8857 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8859 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8860 when -fomit-frame-pointer is used.
8862 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8864 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8865 (try_redirect_by_replacing_jump): Reverse updating properly the
8866 count and frequency information. Reverse removing cc0 setter.
8867 (forwarder_block_p): Reverse fixing for fallthru blocks.
8869 2001-07-05 DJ Delorie <dj@redhat.com>
8871 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8872 (translate_options): If the above is defined, use it to map
8873 given options to new options.
8874 * doc/tm.texi: Document it.
8876 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8877 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8879 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8880 cause programs using computed gotos to run more slowly.
8882 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8884 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8886 Consistently require binutils 2.11.2, not prereleases.
8887 (Specific, decstation-*): Canonicalize as mips-dec-*.
8888 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8890 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8891 (Specific, mips-*): Reword MIPS C compiler requirements.
8892 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8893 (Specific, sunv5): Removed, obsolete.
8895 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8897 * dwarf2out.c (output_loc_list): Use an all ones mask for
8898 .text asm output and don't rely on long long
8899 literals. Reformat some long lines.
8901 2001-07-05 Andreas Jaeger <aj@suse.de>
8903 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8906 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8908 * dwarf2out.c (dwarf2out_define): Update comment.
8909 (dwarf2out_undef): Ditto.
8910 (dwarf2out_start_source_file): Ditto.
8911 (dwarf2out_end_source_file): Ditto.
8912 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8913 since we never call the start/end debug hook for the primary file.
8915 2001-07-04 Kazu Hirata <kazu@hxi.com>
8917 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8920 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8922 * cppinit.c (remove_dup_dirs): Inform if a system include
8923 directory is being reordered.
8924 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8926 * doc/cpp.texi (Search Paths): Likewise.
8927 * doc/gcc.texi (Interoperation): Remove information about
8930 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8932 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8933 (VARRAY_TOP_CHAR_PTR): Likewise.
8935 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8937 * gcc.c (process_command): Don't assign elements of a const char*.
8939 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8941 * emit-rtl.c (change_address): Don't abort if invalid address while
8942 reload is in progress.
8944 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8946 * c-lex.c (cb_file_change): Pass line number to
8947 debug_start_source_file.
8948 (cb_undefine): Pass correct line number to debug_undef.
8950 * toplev.c (debug_start_source_file): Add line number to
8951 parameters. Pass it along to dwarf2out_start_source_file.
8952 (decode_g_option): Stop resetting debug level back to normal when
8953 we change debug formats, unless the current level is
8954 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8957 * toplev.h (debug_start_source_file): Add line number to
8960 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8963 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8965 Output debug_macinfo data for starting file if requested.
8966 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8968 (dwarf2out_define): Output debug_macinfo data for defining a macro
8970 (dwarf2out_undef): Output debug_macinfo data for undefining a
8972 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8973 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8974 (macinfo_section_label): New. DWARF2 macro info section label.
8975 (dwarf2out_init): If we want macro info, output the start label
8977 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8978 attribute to the compilation unit die pointing to the macro info.
8980 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8982 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8983 DWARF2_DEBUGGING_INFO.
8984 (add_loc_descr_to_loc_list): Ditto.
8985 (output_loc_list): Ditto.
8986 Also, fix thinko in curr not being initialized.
8987 (gen_internal_sym): Ditto.
8989 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8991 * emit-rtl.c (replace_equiv_address): New function.
8992 * expr.h (replace_equiv_address): New declaration.
8993 * explow.c (validize_mem): Call it instead of change_address and
8994 also call if -fforce-addr and address is constant.
8995 * expr.c: Replace more calls to change_address with adjust_address
8996 and/or replace_equiv_address or to validize_mem.
8997 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8998 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8999 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9000 * config/i370/i370.md, config/i860/i860.md: Likewise.
9001 * config/i960/i960.md, config/mips/mips.c: Likewise.
9002 * config/mips/mips.md, config/pa/pa.md: Likewise.
9003 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
9004 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
9006 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9008 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
9010 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
9013 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
9015 * doc/include: New directory.
9016 * doc/fdl.texi: Move to doc/include/fdl.texi.
9017 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
9018 * doc/include/funding.texi, doc/include/gpl.texi: New files.
9019 * doc/gcc.texi: Use funding.texi and gpl.texi.
9020 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
9021 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
9022 Update dependencies and use -I $(docdir)/include.
9024 2001-07-04 Anthony Green <green@redhat.com>
9026 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
9028 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9030 * doc/install.texi (sparc64-*-*): Remove garbage.
9032 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
9034 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
9035 Fix typo in last change to use adjust_address.
9037 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9039 * doc/install.texi (Specific): Update information for *-*-solaris*.
9041 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9043 * explow.c (plus_constant_wide): Reinitialize Y for restart.
9045 2001-07-03 Stan Shebs <shebs@apple.com>
9047 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
9048 case for flag_no_mach_text_sections.
9049 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
9050 * config/darwin.c (flag_no_mach_text_sections): Remove.
9051 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
9053 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9055 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
9056 and avoid checking for constant as first operand.
9057 * recog.c (find_constant_term_loc): No longer static.
9058 (adj_offettable_operand): Delete.
9059 * rtl.h (adj_offsettable_operand): Delete declaration.
9060 (find_constant_term): Add declaration.
9061 * caller-save.c: Replace calls to adj_offsettable_operand with calls
9063 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
9064 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
9065 * config/i386/i386.c, config/i386/i386.md: Likewise.
9066 * config/i860/i860.c, config/i960/i960.c: Likewise.
9067 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
9068 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
9069 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
9070 * config/mips/mips.c, config/mips/mips.md: Likewise.
9071 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
9072 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
9073 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
9074 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
9075 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
9076 * config/ns32k/ns32k.md: Likewise.
9078 2001-07-03 Zack Weinberg <zackw@stanford.edu>
9080 * rtl.c (copy_rtx): Handle 'T' format letter.
9081 * gensupport.c (collect_insn_data): Likewise.
9082 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
9084 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
9086 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
9087 -B option. Use 'dir' not 'foo' as example directory name.
9089 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9091 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9092 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
9094 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9096 * doc/cppinternals.texi: Improve formatting and logical markup.
9098 2001-07-03 Andreas Jaeger <aj@suse.de>
9100 * Makefile.in (insn-recog.o): Add dependency on reload.h.
9102 * genrecog.c (write_header): Include reload.h for prototypes in
9105 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
9108 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
9109 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9110 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
9111 i386_pe_valid_type_attribute_p): Add.
9112 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
9113 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
9115 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9117 * explow.c (plus_constant_wide, case LO_SUM): New case.
9118 (plus_constant_for_output_wide): Delete.
9119 * rtl.h (plus_constant_for_output): Delete.
9120 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
9121 instead of plus_constant_for_output.
9122 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
9123 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
9124 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
9125 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
9126 * config/sparc/sparc.md: Likewise.
9127 Convert some change_address calls to adjust_address.
9129 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9131 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
9132 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
9133 documentation of -std and -Wwrite-strings.
9135 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9137 * cse.c (canon_hash): Don't register registers in very small
9138 register classes, as extending their lifetime might cause
9141 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
9143 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
9145 * flow.c (forwarder_block_p): Fix for fallthru blocks.
9146 (try_redirect_by_replacing_jump): Update properly the count
9147 and frequency information.
9149 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
9151 * toplev.c (dump_file_index): Move SSA dumps just after first
9153 (dump_file): Corresponding changes.
9154 (rest_of_compilation): Move SSA path to just after the first
9156 * doc/gcc.texi (Passes): Update due to movement of SSA path.
9157 * doc/invoke.texi: Update dump file #s as they were completely
9158 out of date with reality.
9160 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9162 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
9164 * expr.c (emit_move_insn_1): Deal with non-default
9167 * expr.c (emit_single_push_insn): Fix warning.
9169 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
9171 * expr.c (emit_move_insn_1): Avoid modifying
9172 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
9174 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9176 * emit-rtl.c (adjust_address): New function.
9177 * expr.h (adjust_address): Add declaration.
9178 * builtins.c: Replace some calls to change_address with calls to it
9180 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
9181 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
9182 * config/arm/arm.c, config/convex/convex.c: Likewise.
9183 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9184 * config/i386/i386.c, config/i386/i386.md: Likewise.
9185 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
9186 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
9187 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
9188 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
9189 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
9191 2001-07-02 Jim Wilson <wilson@redhat.com>
9193 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
9195 2001-07-02 Steve Ellcey <sje@cup.hp.com>
9197 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
9198 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
9200 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9202 * cppinit.c (lang_defaults): New table.
9203 (set_lang): Just read from lang_defaults into the live options
9206 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9208 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
9209 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
9210 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
9212 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9214 * doc/install.texi: Various spelling and markup fixes.
9215 (Installing GCC): Component specific installation instructions are
9218 Warn about removing old install dir in the presence of shared libs.
9219 (Configuration): Invoke with options target to match configure
9221 Consistently refer to gas, gld pathnames.
9222 Invert --enable-multilib documentation.
9223 Remove references to old compiler versions.
9225 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9227 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
9229 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9231 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
9233 (Specific, mips*-sgi-irix5): Note IDO download.
9234 Reworded MIPS C hints.
9235 Use GNU as instead of GAS.
9237 Removed SGI Freeware reference, IRIX 6 only.
9238 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
9239 Note N64 library requirement/workaround.
9241 Complete list of structure passing bug victims.
9243 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9245 * doc/install.texi: Remove CVS Id.
9247 2001-07-02 Andreas Jaeger <aj@suse.de>
9249 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
9250 (find_inherently_necessary): Remove unused variable.
9252 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
9254 * c-common.h (TDI_inlined): New ast dump phase.
9255 (dump_flag_name): New function.
9256 * c-dump.c (dump_files): Add inlined phase.
9257 (dump_flag_name): Define.
9258 * doc/invoke.texi (-fdump-ast-inlined): Document.
9260 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9262 * stor-layout.c (layout_decl): Revert change to handling of alignment
9265 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9267 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
9270 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
9272 * doc/tm.texi (FUNCTION_ARG): Document that the last call
9275 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
9277 * tlink.c (recompile_files): Remove COMPILER_PATH and
9278 LIBRARY_PATH from the environment.
9280 2001-07-01 Zack Weinberg <zackw@stanford.edu>
9282 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
9283 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
9285 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
9287 * c-parse.in (OBJC_STRING): Kill.
9288 (objc_string): Decompose to [objc_string] '@' STRING.
9289 (reswords): Take the leading '@' off all the Objective C keywords.
9290 (objc_rid_sans_at): Kill.
9291 (init_reswords): Don't initialize it.
9292 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
9293 (_yylex): Kill reconsider label. Look ahead one token after
9294 an '@'; if we get an identifier, check whether it's an
9295 Objective C @-keyword. If so, return the keyword. Otherwise,
9296 put back the token and return the '@' as a terminal.
9298 * cpplib.c (lex_macro_node): Remove unnecessary check for
9299 leading '@' on identifier. Clarify control flow and commentary.
9301 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9303 * cse.c (new_label_ref): Variable deleted.
9304 (insert): Remove set of new_label_ref.
9305 (check_for_label_ref): New function.
9306 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
9308 See ChangeLog.5 for earlier changes.