1 2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3 * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
5 2001-09-25 Bernd Schmidt <bernds@redhat.com>
7 Mostly from Graham Stott <grahams@redhat.com>
8 * c-common.c (type_for_mode): Add support for V2SFmode.
9 * tree.c (build_common_tree_nodes_2): Likewise.
10 * tree.h (enum tree_index, global_trees): Likewise.
11 * config/i386/i386.c (x86_3dnow_a): New variable.
12 (override_options): Support 3Dnow extensions.
13 (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
14 Athlon's version of 3Dnow.
15 (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
16 (ix86_expand_builtin): Handle them.
17 (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
18 * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
19 TARGET_3DNOW_A): New macros.
20 (TARGET_SWITCHES): Add 3Dnow switches.
21 (VALID_MMX_REG_MODE_3DNOW): New macro.
22 (VECTOR_MODE_SUPPORTED_P): Use it.
23 (enum ix86_builtins): Add entries for 3Dnow builtins.
24 * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
25 pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
26 pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
27 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
28 pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
29 pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
30 (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
31 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
32 mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
33 sfence_insn, prefetch): Make these available if TARGET_SSE or
36 Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz>
38 * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
39 ix86_va_start, ix86_build_va_list): Declare.
40 * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
41 ix86_va_start, ix86_build_va_list): New global functions.
42 * i386.md (sse_prologue_save_insn): New insn.
43 (sse_prologue_save): New expander.
44 * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
45 BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
47 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
49 * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
50 Use size_t everywhere, make definitions consistent with
53 Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz>
55 * gcse.c (replace_store_insn): Use delete_insn.
56 * loop.c (move_movables): Likewise; avoid delete_insn
57 from clobbering notes moved elsewhere.
58 (check_dbra_loop): Use delete_insn.
59 * ssa.c (convert_from_ssa): Likewise.
60 * cse.c (cse_insn): Use delete_insn.
62 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
64 * cpphash.h (struct cpp_buff): Make unsigned.
65 (_cpp_get_buff): Take length of size_t.
66 (_cpp_unaligned_alloc): New.
67 (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
68 (struct cpp_reader): Remove ident_pool. Add u_buff.
69 * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
70 (cpp_destroy): Destroy u_buff, not ident_pool.
71 * cpplex.c (parse_number, parse_string, save_comment,
72 cpp_token_as_text): Update to use the unaligned buffer.
73 (new_buff): Make unsigned.
74 (_cpp_unaligned_alloc): New.
75 * cpplib.c (glue_header_name): Update to use the unaligned buffer.
76 * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
78 (collect_args): Make unsigned.
80 2001-09-27 Zack Weinberg <zack@codesourcery.com>
82 * cpplex.c (cpp_output_token): Use a putc loop for
83 SPELL_OPERATOR, and fwrite for SPELL_IDENT.
85 * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
86 * configure, config.in: Regenerate.
87 * system.h: Replace fwrite and fprintf with their unlocked
88 variants if available.
90 2001-09-27 Richard Henderson <rth@redhat.com>
92 * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
93 in favour of .eh_frame.
95 2001-09-27 Aldy Hernandez <aldyh@redhat.com>
97 * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
99 (LIBCALL_VALUE): Likewise.
101 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
103 * cpphash.h: Update comment.
104 * cpplex.c: Update comments.
105 (_cpp_can_paste): Remove.
106 * cpplib.h (_cpp_can_paste): Remove.
107 * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
108 lexer rather than _cpp_can_paste.
110 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
112 * doc/cppinternals.texi: Update.
114 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
116 * cpphash.h (struct cpp_pool): Remove locks and locked.
117 (struct cpp_context): Add member buff.
118 (struct cpp_reader): Remove member argument_pool.
119 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
120 * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
121 * cpplex.c (chunk_suitable): Remove pool argument.
122 (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
123 (new_buff, _cpp_extend_buff): Update.
124 (_cpp_get_buff): Fix silly pointer bug. Be more selective about
125 which buffer is returned.
126 (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
127 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
128 * cppmacro.c (lock_pools, unlock_pools): Remove.
129 (push_ptoken_context): Take a _cpp_buff.
130 (enter_macro_context): Pool locking removed.
131 (replace_args): Use a _cpp_buff for the replacement list with
133 (push_token_context): Clear buff.
134 (expand_arg): Use _cpp_pop_context.
135 (_cpp_pop_context): Free a context's buffer, if any.
137 2001-09-26 DJ Delorie <dj@redhat.com>
139 * c-typeck.c (digest_init): Check for sizeless arrays.
141 2001-09-26 Richard Henderson <rth@redhat.com>
143 * optabs.c (init_one_libfunc): Create a dummy function type
144 instead of using error_mark_node.
146 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
148 * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
149 _cpp_extend_buff, _cpp_free_buff): New.
150 (struct cpp_reader): New member free_buffs.
151 * cppinit.c (cpp_destroy): Free buffers.
152 * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
153 _cpp_extend_buff, _cpp_free_buff): New.
154 * cpplib.h (struct cpp_options): Remove unused member.
155 * cppmacro.c (collect_args): New. Combines the old parse_arg
156 and parse_args. Use _cpp_buff for memory allocation.
157 (funlike_invocation_p, replace_args): Update.
159 Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
161 * final.c (final_scan_insn): Use delete_insn instead of delete_note.
163 2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
165 * except.c (sjlj_mark_call_sites): Change address inside sequence.
167 2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
169 * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
172 2001-09-25 Janis Johnson <janis187@us.ibm.com>
173 Jim Wilson <wilson@redhat.com>
175 * doc/install.texi (Specific, ia64-*-linux): Document.
177 Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
179 * Makefile.in (cfgrtl.o): Add.
180 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
181 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
182 free_aux_for_edge): Declare.
184 (HAVE_return): Undefine.
185 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
186 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
187 free_aux_for_edge): New global functions.
188 (first_delete_block): New static variable.
189 (init_flow): Clear first_delete_block.
190 (basic_block_for_insn, label_value_list, tail_recursion_label_list,
191 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
192 try_redirect_by_replacing_jump, last_loop_beg_note,
193 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
194 delete_insn, delete_insn_chain, create_basic_block_structure,
195 create_basic_block, flow_delete_block, compute_bb_for_insn,
196 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
197 set_block_for_new_insns, split_block, merge_blocks_nomove,
198 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
199 redirect_edge_and_branch, force_nonfallthru_and_redirect,
200 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
201 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
202 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
203 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
204 purge_all_dead_edges): Move to ....
205 * cfgrtl.c: New file; .... Here.
207 * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
208 (reroder_basic_block): Use alloc_aux_for_blocks.
209 * predict.c (estimate_bb_frequencies): Likewise; use
211 * profile.c (compute_branch_probabilities): Likewise.
212 (branch_prob): Likewise.
213 * reg-stack.c (reg_to_stack): Likewise.
215 * emit-rtl.c (emit_insns_after): Never return NULL.
217 * basic-block.h (set_block_for_new_insns): Delete.
218 * cfgrtl.c (set_block_for_new_insns): Delete.
220 * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
221 calls when crossjumping.
223 * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
224 * unroll.c (copy_loop_body): Use delete_insn.
226 * final.c (final, final_scan_insn): Use delete_insn/delete_note.
227 * function.c (fixup_var_refs_insn, fixup_var_refs_1,
228 keep_stack_depressed): Likewise.
229 * gcse.c (cprop_cc0_jump): Likewise.
230 * local-alloc.c (update_equiv_regs): Likewise.
231 * loop.c (scan_loop, loop_delete_insns): Likewise.
232 * regmove.c (try_auto_increment, fixup_match_1): Likewise.
233 * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
234 delete_output_reload, delete_address_reloads_1,
235 reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
237 * sibcall.c (replace_call_placeholder): Likewise.
238 * cse.c (cse_insn): Likewise.
240 2001-09-25 Bernd Schmidt <bernds@redhat.com>
242 From Graham Stott <grahams@redhat.com>
243 (def_builtin): Only define builtins appropriate for target_flags. All
245 (builtin_decsription): Add new field mask which is used to determine
246 when to define the builtin via the macro def_builtin.
248 (bdesc_comi): Initialise new mask fields.
249 (bdesc_2srg): Likewise.
250 (bdesc_1arg): Likewise.
252 * config/i386/i386.c (ix86_init_builtins): Correct return type
253 building v4hi_ftype_v4hi_int_int tree node.
254 (ix86_expand_sse_comi): Fix typo swapping operands.
255 Don't swap comparision condition, it is already swapped.
256 (ix86_expand_sse_compare): Before swapping operands
257 move operand 1 into new rtx and not the target rtx.
258 Don't swap comparison condition, it is already swapped.
259 Always check whether we need to create a new TARGET.
261 * config/i386/i386.md: (sse_comi) Fix typos.
262 (sse_ucomi): Likewise.
263 (cvtss2si): Fix operand 0 contraint.
264 (cvttss2si): Likewise.
265 (sse_unpckhps): Fix mode for operand 2.
266 (sse_unpcklps): Likewise.
268 2001-09-25 Graham Stott <grahams@redhat.com>
270 * sibcall.c (skip_copy_to_return_value): Tighten return value
273 2001-09-24 David Edelsohn <edelsohn@gnu.org>
275 * rs6000.c (lwa_operand): Address must be word aligned.
277 Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
279 * tree.c (type_hash_marked_p): Consider as marked if debug symbol
281 (type_hash_mark): Mark type itself.
283 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
285 * c-lex.c (cb_def_pragma): Update.
286 (c_lex): Update, and skip padding.
287 * cppexp.c (lex, parse_defined): Update, remove unused variable.
288 * cpphash.h (struct toklist): Delete.
290 (struct cpp_context): Update.
291 (struct cpp_reader): New members eof, avoid_paste.
292 (_cpp_temp_token): New.
293 * cppinit.c (cpp_create_reader): Update.
294 * cpplex.c (_cpp_temp_token): New.
295 (_cpp_lex_direct): Add PREV_WHITE when parsing args.
296 (cpp_output_token): Don't print leading whitespace.
297 (cpp_output_line): Update.
298 * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
299 do_include_common, do_line, do_ident, do_pragma,
300 do_pragma_dependency, _cpp_do__Pragma, parse_answer,
301 parse_assertion): Update.
302 (get_token_no_padding): New.
303 * cpplib.h (CPP_PADDING): New.
304 (AVOID_LPASTE): Delete.
305 (struct cpp_token): New union member source.
306 (cpp_get_token): Update.
307 * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
308 (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
309 replace_args, quote_string, stringify_arg, parse_arg, next_context,
310 enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
311 _cpp_backup_tokens, _cpp_create_definition): Update.
312 (push_arg_context): Delete.
313 (padding_token, push_token_context, push_ptoken_context): New.
314 (make_string_token, make_number_token): Update, rename.
315 (cpp_get_token): Update to handle tokens as pointers to const,
316 and insert padding appropriately.
317 * cppmain.c (struct printer): New member prev.
318 (check_multiline_token): Constify.
319 (do_preprocessing, cb_line_change): Update.
320 (scan_translation_unit): Update to handle spacing.
321 * scan-decls.c (get_a_token): New.
322 (skip_to_closing_brace, scan_decls): Update.
323 * fix-header.c (read_scan_file): Update.
325 * doc/cpp.texi: Update.
327 2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
329 * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
330 leak by passing malloc'ed pointer to reconcat, not concat.
332 2001-09-24 DJ Delorie <dj@redhat.com>
334 * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
336 2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
338 * flow.c (delete_dead_jumptables): Delete jumptable if the only
339 reference is from the literal pool.
341 2001-09-24 Janis Johnson <janis187@us.ibm.com>
343 * doc/install.texi (Final install): Request additional information
344 in mail about successful builds.
346 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
348 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
349 initial value of return pointer register instead of value in frame-20.
352 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
354 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
355 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
356 the libcall if there isn't a referenced identifier for the symbol.
358 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
360 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
361 non 64-bit machines. Use these as a plabel for the trampoline.
362 (TRAMPOLINE_SIZE): Adjust size for new words.
363 (INITIALIZE_TRAMPOLINE): Initialize new words.
364 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
365 pointer to the plabel in the trampoline.
367 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
369 * pa.c (function_arg): Pass floating arguments in both general and
370 floating registers in indirect (dynamic) calls when generating code
371 for the 32 bit ABI and the HP assembler.
373 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
375 * doc/install.texi: Markup fixes.
376 Use Solaris 2, SunOS 4 as appropriate.
377 (Specific, *-*-solaris2*): Explain this.
378 Unconditionally warn against /usr/ucb tools.
379 Remove Sun as warning, obsolete.
380 Move X11 header bug workaround here, update patches.
381 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
382 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
384 2001-09-23 Zack Weinberg <zack@codesourcery.com>
386 * errors.h (warning, error, fatal, internal_error): Don't mark
387 with ATTRIBUTE_PRINTF_n.
388 * toplev.h (internal_error, fatal_io_error, warning, error,
389 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
390 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
393 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
395 * function.c (pop_function_context_from): var_refs_queue
396 and temp slots now in GC memory.
397 (mark_function_status, free_after_compilation): Likewise;
398 also struct function now in GC memory.
399 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
400 (combine_temp_slots): Likewise.
401 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
402 (prepare_function_start): Use GC memory for struct function.
403 (mark_temp_slot): Deleted.
404 (gcc_mark_struct_function): struct function now in GC memory.
406 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
407 code for division, not modulus.
409 * rtl.def (MEM): Remove obsolete part of comment.
411 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
413 * c-format.c (init_function_format_info): Check __builtin_printf
414 and __builtin_fprintf even if -ffreestanding. Check C99 functions
417 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
419 * c-common.c (format_attribute_table): Remove decl.
420 * tree.h (format_attribute_table, lang_attribute_table): New decls.
421 (lang_attribute_common): Likewise.
423 * function.c (fix_lexical_address): Use set_mem_alias_set.
424 (expand_function_start): Likewise.
425 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
427 * varasm.c (output_constant): Fix unused variable warning.
429 * attribs.c: New file, from c-common.c.
430 (attribute_tables): Now four elements.
431 (format_attribute_table, lang_attribute_common): New variables.
432 (init_attributes): Reflect above changes.
433 (handle_mode_attribute): Delete check for wider than uintmax.
434 * c-common.c: Delete parts moved to attribs.c.
435 (enum attrs): Deleted; unused.
436 (c_format_attribute_table): New variable.
437 (c_common_lang_init): Initialize format_attribute_table with it.
438 * c-common.h (decl_attributes): Remove decl.
439 * tree.h (decl_attribute): Move it to here.
440 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
441 (attribs.o): New rule.
443 2001-09-22 Andreas Jaeger <aj@suse.de>
445 * builtins.c (c_getstr): Remove unused variable.
447 2001-09-21 Richard Henderson <rth@redhat.com>
449 * reload1.c (reload): Use delete_insn instead of splatting
452 2001-09-21 Richard Henderson <rth@redhat.com>
454 * reload.c (push_secondary_reload): Don't check for "=" in output
455 constraint after ""->ALL_REGS check.
457 2001-09-21 Richard Henderson <rth@redhat.com>
459 * predict.c (expected_value_to_br_prob): Use pc_set.
461 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
462 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
464 2001-09-21 Richard Henderson <rth@redhat.com>
466 * rtl.h (LCT_RETURNS_TWICE): New.
467 * calls.c (emit_call_1): Set current_function_calls_setjmp for
469 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
470 to ECF_RETURNS_TWICE.
471 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
474 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
476 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
479 2001-09-21 Richard Henderson <rth@redhat.com>
481 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
484 2001-09-21 Richard Henderson <rth@redhat.com>
486 * tree.def (FDESC_EXPR): New.
487 * expr.c (expand_expr): Handle it.
488 * varasm.c (initializer_constant_valid_p): Likewise.
489 (output_constant): Likewise.
490 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
491 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
492 (ASM_OUTPUT_FDESC): New.
493 * doc/tm.texi: Document the new macros.
495 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
497 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
498 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
499 once merging is complete.
501 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
503 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
505 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
507 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
508 that would be invalid after a merge.
510 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
512 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
513 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
515 (flow_delete_insn): This one.
516 (delete_insn_chain): Rename from ...; do not care labels.
517 (flow_delete_insn_chain): ... this one.
518 (flow_delete_block): Remove the insns one BB has been expunged.
519 (merge_blocks_nomove): Likewise.
520 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
521 updating BB boundaries.
522 (tidy_fallthru_edge): Likewise.
523 (commit_one_edge_insertion): Likewise.
524 * cfgbuild.c (find_basic_block): Likewise.
525 (find_basic_blocks_1): Likewise.
526 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
527 (try_crossjump_to_edge): Likewise.
528 (try_optimize_cfg): Likewise.
529 * cse.c (delete_trivially_dead_insns): Likewise.
530 * df.c (df_insn_delete): Likewise.
531 * doloop.c (doloop_modify): Use delete_related_insns.
532 * emit-rtl.c (try_split): Likewise.
533 (remove_insn): Update BB boundaries.
534 * expect.c (connect_post_landing_pads): Use delete_related_insns.
535 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
536 updating BB boundaries.
537 (propagate_block_delete_insn): Likewise.
538 (propagate_block_delete_libcall): Likewise.
539 * function.c (delete_handlers): Use delete_related_insns.
540 (thread_prologue_and_epilogue_insns): Likewise.
541 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
542 * genpeep.c (gen_peephole): Use delete_related_insns.
543 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
545 (find_cond_trap): Likewise.
546 * integrate.c (save_for_inline): Use delete_related_insns.
547 (copy_insn_list): Likewise.
548 * jump.c (pruge_linie_number_notes): Likewise.
549 (duplicate_loop_exit_test): Likewise.
550 (delete_computation): Likewise.
551 (delete_related_insn): Rename from ...; use delete_insn
552 (delete_insn): ... this one.
553 (redirect_jump): Use delete_related_insns.
554 * loop.c (scan_loop): Likewise.
555 (move_movables): Likewise.
556 (find_and_verify_loops): Likewise.
557 (check_dbra_loop): Likewise.
558 * recog.c (peephole2_optimize): Likewise.
559 * reg-stack.c (delete_insn_for_stacker): Remove.
560 (move_for_stack_reg): Use delete_insn.
561 * regmove.c (combine_stack_adjustments_for_block): Likewise.
562 * reload1.c (delete_address_reloads): Use delete_related_insns.
563 (fixup_abnormal_edges): Use delete_insn.
564 * recog.c (emit_delay_sequence): Use delete_related_insns.
565 (delete_from-delay_slot): Likewise.
566 (delete_scheduled_jump): likewise.
567 (optimize_skip): Likewise.
568 (try_merge_delay_insns): Likewise.
569 (full_simple_delay_slots): Likewise.
570 (fill_slots_from_thread): Likewise.
571 (relax_delay_slots): Likewise.
572 (make_return_insns): Likewise.
573 (dbr_schedule): Likewise.
574 * rtl.h (delete_insn): Rename to delete_related_insns.
575 (delete_insn, delete_insn_chain): New prototypes.
576 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
577 by df_insn_delete already.
578 * ssa-dce.c (delete_insn_bb): Use delete_insn.
579 * ssa.c (convert_from_ssa): Use delete_related_insns.
580 * unroll.c (unroll_loop): Likewise.
581 (calculate_giv_inc): Likewise.
582 (copy_loop_body): Likewise.
584 * i386-protos.h (ix86_libcall_value, ix86_function_value,
585 ix86_function_arg_regno_p, ix86_function_arg_boundary,
586 ix86_return_in_memory, ix86_function_value): Declare.
587 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
588 new static valurables.
589 (x86_64_reg_class): New enum
590 (x86_64_reg_class_name): New array.
591 (classify_argument, examine_argument, construct_container,
592 merge_classes): New static functions.
593 (optimization_options): Enable flag_omit_frame_pointer and disable
594 flag_pcc_struct_return on 64bit.
595 (ix86_libcall_value, ix86_function_value,
596 ix86_function_arg_regno_p, ix86_function_arg_boundary,
597 ix86_return_in_memory, ix86_function_value): New global functions.
598 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
599 (function_arg_advance): Handle x86_64 passing conventions.
600 (function_arg): Likewise.
601 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
602 (RETURN_IN_MEMORY): Move offline.
603 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
604 (FUNCTION_VALUE_REGNO_P): New macro.
605 (FUNCTION_ARG_REGNO_P): Move offline.
606 (struct ix86_args): Add maybe_vaarg.
607 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
608 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
610 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
612 * s390.md: Changed attributes for scheduling.
613 * s390.c: (s390_adjust_cost, s390_adjust_priority)
616 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
618 Table-driven attributes.
619 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
620 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
621 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
622 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
623 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
624 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
625 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
626 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
627 * tree.h (struct tree_decl): Change machine_attributes to
629 * doc/c-tree.texi: Document that all attributes are now attached
631 * c-common.c (add_attribute, attrtab, attrtab_idx,
632 default_valid_lang_attribute, valid_lang_attribute): Remove.
633 (attribute_tables, attributes_initialized,
634 c_common_attribute_table, default_lang_attribute_table): New
636 (handle_packed_attribute, handle_nocommon_attribute,
637 handle_common_attribute, handle_noreturn_attribute,
638 handle_unused_attribute, handle_const_attribute,
639 handle_transparent_union_attribute, handle_constructor_attribute,
640 handle_destructor_attribute, handle_mode_attribute,
641 handle_section_attribute, handle_aligned_attribute,
642 handle_weak_attribute, handle_alias_attribute,
643 handle_no_instrument_function_attribute,
644 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
645 handle_no_limit_stack_attribute, handle_pure_attribute): New
647 (init_attributes, decl_attributes): Rewrite to implement
648 table-driven attributes.
649 * c-common.h (enum attribute_flags): Move to tree.h.
650 * c-format.c (decl_handle_format_attribute,
651 decl_handle_format_arg_attribute): Rename to
652 handle_format_attribute and handle_format_arg_attribute. Update
653 for table-driven attributes.
654 * c-common.h (decl_handle_format_attribute,
655 decl_handle_format_arg_attribute): Remove prototypes.
656 (handle_format_attribute, handle_format_arg_attribute): Add
658 * c-decl.c (grokdeclarator): Handle attributes nested inside
660 * c-parse.in (setattrs, maybe_setattrs): Remove.
661 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
662 Update to handle nested attributes properly.
663 (maybe_resetattrs, after_type_declarator,
664 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
665 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
667 (make_pointer_declarator): Update to handle nested attributes
669 * doc/extend.texi: Update documentation of limits of attributes
670 syntax. Warn about problems with attribute semantics in C++.
671 * target.h (struct target): Remove valid_decl_attribute and
672 valid_type_attribute. Add attribute_table and
673 function_attribute_inlinable_p.
674 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
675 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
676 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
678 (TARGET_INITIALIZER): Update.
679 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
681 (function_attribute_inlinable_p): New function. Check for the
682 presence of any machine attributes before using
683 targetm.function_attribute_inlinable_p.
684 (function_cannot_inline_p): Update.
685 * Makefile.in (integrate.o): Update dependencies.
686 * doc/tm.texi: Update documentation of target attributes and
687 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
688 * tree.c (default_valid_attribute_p, valid_machine_attribute):
690 (default_target_attribute_table,
691 default_function_attribute_inlinable_p): New.
692 (lookup_attribute): Update comment to clarify handling of multiple
693 attributes with the same name.
694 (merge_attributes, attribute_list_contained): Allow multiple
695 attributes with the same name but different arguments to appear in
696 the same attribute list.
697 * tree.h (default_valid_attribute_p): Remove prototype.
698 (struct attribute_spec): New.
699 (default_target_attribute_table): Declare.
700 (enum attribute_flags): Move from c-common.h. Add
701 ATTR_FLAG_TYPE_IN_PLACE.
702 (default_function_attribute_inlinable_p): Declare.
703 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
704 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
705 (TARGET_ATTRIBUTE_TABLE): Define.
706 (vms_attribute_table): New.
707 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
708 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
709 (TARGET_ATTRIBUTE_TABLE): Define.
710 (arc_attribute_table, arc_handle_interrupt_attribute): New.
711 * config/arm/arm.c (arm_valid_type_attribute_p,
712 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
714 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
716 (TARGET_ATTRIBUTE_TABLE): Define.
717 (arm_attribute_table, arm_handle_fndecl_attribute,
718 arm_handle_isr_attribute): New.
719 * config/avr/avr.c (avr_valid_type_attribute,
720 avr_valid_decl_attribute): Remove.
721 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
723 (TARGET_ATTRIBUTE_TABLE): Define.
724 (avr_attribute_table, avr_handle_progmem_attribute,
725 avr_handle_fndecl_attribute): New.
726 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
727 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
728 (TARGET_ATTRIBUTE_TABLE): Define.
729 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
730 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
731 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
732 (TARGET_ATTRIBUTE_TABLE): Define.
733 (h8300_attribute_table, h8300_handle_fndecl_attribute,
734 h8300_handle_eightbit_data_attribute,
735 h8300_handle_tiny_data_attribute): New.
736 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
737 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
739 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
741 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
742 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
744 (TARGET_ATTRIBUTE_TABLE): Define.
745 (ix86_attribute_table, ix86_handle_cdecl_attribute,
746 ix86_handle_regparm_attribute): New.
747 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
748 i386_pe_valid_type_attribute_p): Remove.
749 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
750 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
751 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
752 (TARGET_ATTRIBUTE_TABLE): Define.
753 (ia64_attribute_table): New.
754 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
755 interrupt_ident2, model_ident1, model_ident2): Remove.
756 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
757 (TARGET_ATTRIBUTE_TABLE): Define.
758 (init_idents): Update.
759 (m32r_attribute_table, m32r_handle_model_attribute): New.
760 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
762 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
763 (TARGET_ATTRIBUTE_TABLE): Define.
764 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
765 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
766 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
767 (TARGET_ATTRIBUTE_TABLE): Define.
768 (mcore_attribute_table, mcore_handle_naked_attribute): New.
769 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
770 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
771 (TARGET_ATTRIBUTE_TABLE): Define.
772 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
773 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
774 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
775 (TARGET_ATTRIBUTE_TABLE): Define.
776 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
777 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
778 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
779 (TARGET_ATTRIBUTE_TABLE): Define.
780 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
781 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
783 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
785 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
786 (TARGET_ATTRIBUTE_TABLE): Define.
787 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
789 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
790 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
791 (TARGET_ATTRIBUTE_TABLE): Define.
792 (v850_attribute_table, v850_handle_interrupt_attribute,
793 v850_handle_data_area_attribute): New.
794 * config/v850/v850-c.c (mark_current_function_as_interrupt):
795 Return void. Call decl_attributes instead of
796 valid_machine_attribute.
798 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
800 * sh-protos.h (sh_pr_n_sets): Declare.
801 * sh.c (calc_live_regs): If the initial value for PR has been copied,
802 look at the copy to determine if PR needs to be saved.
803 sh_pr_n_sets: New function.
804 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
805 (ALLOCATE_INITIAL_VALUE): Define.
807 * sh.c (initial_elimination_offset):
808 Fix RETURN_ADDRESS_POINTER_REGNUM case.
810 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
812 * integrate.c (allocate_initial_values): New function.
813 * integrate.h (allocate_initial_values): Declare.
814 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
816 * reload1.c (reload): And initialization of reg_equiv_memory_loc
818 * toplev.c (rest_of_compilation): To here.
819 Call allocate_initial_values.
820 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
822 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
824 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
826 2001-09-20 DJ Delorie <dj@redhat.com>
828 * c-typeck.c (really_start_incremental_init): Discriminate
829 between zero-length arrays and flexible arrays.
830 (push_init_level): Detect zero-length arrays and handle them
831 like fixed-sized arrays.
832 * expr.c (store_constructor): Handle zero-length arrays and
833 flexible arrays correctly.
834 * doc/extend.texi: Update zero-length array notes.
836 2001-09-20 Jim Wilson <wilson@redhat.com>
838 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
839 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
840 for issue port conflicts.
841 (cycle_end_fill_slots): TYPE_L instructions take two slots.
843 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
845 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
848 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
850 * fold-const.c (hashtab.h): Include.
851 (int_const_binop): Remove FORSIZE arg and compute from type; all
853 Call size_int_type_wide for all single-word constants.
854 (size_htab_hash, size_htab_eq): New functions.
855 (size_int_type_wide): Rework to use hash table.
856 * ggc-common.c (hashtab.h): Include.
857 (struct d_htab_root): New struct.
858 (d_htab_roots): New variable.
859 (ggc_add_deletable_htab, ggc_htab_delete): New functions
860 (ggc_mark_roots): Handle deletable htabs.
861 * ggc-page.c (ggc_marked_p): New function.
862 * ggc-simple.c (ggc_marked_p): Likewise.
863 * ggc.h: Reformatting throughout.
864 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
865 * tree.c (init_obstacks): Make type_hash_table a deletable root.
866 (type_hash_add): Allocate struct type_hash from GC memory.
867 (mark_hash_entry, mark_type_hash): Deleted.
868 (type_hash_marked_p, type_hash_mark): New functions.
869 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
871 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
873 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
876 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
878 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
879 array-too-large test for signed sizetype.
881 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
883 * i386.md (indirect_jump): Allow Pmode operand.
884 (tablejump): LIkewise; perform expansion to 64bit mode.
885 * i386.c (symbolic_operand): Allow 64bit PIC references.
886 (pic_symbolic_operand): Likewise.
887 (ix86_find_base_term): Strip the 64bit PIC references.
888 (legitimate_pic_address_disp_p): Handle 64bit PIC.
889 (legitimize_pic_address): Likewise.
890 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
891 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
893 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
895 * stringpool.c (get_identifier_with_length): New function.
896 * tree.h (get_identifier_with_length): New prototype.
898 2001-09-19 Alan Modra <amodra@bigpond.net.au>
899 David Edelsohn <edelsohn@gnu.org>
902 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
903 already sign-extended.
905 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
906 * config/rs6000/rs6000.c (logical_operand): Always compare op as
908 (rs6000_emit_set_long_const): Avoid unnecessary shift.
909 (output_profile_hook): Declare label_name const.
910 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
911 to match constraints.
913 2001-09-19 Stan Shebs <shebs@apple.com>
915 * alias.c: Fix typos in comments.
916 * sched-rgn.c (init_ready_list): Ditto.
917 * unwind-dw2.c (uw_frame_state_for): Ditto.
918 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
919 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
920 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
922 2001-09-19 Richard Henderson <rth@redhat.com>
924 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
926 * Makefile.in (cfg.o): Depend on TM_P_H.
928 2001-09-19 Richard Henderson <rth@redhat.com>
930 * config/alpha/alpha.c (local_symbol_p): Split out from ...
931 (local_symbolic_operand): ... here.
932 (small_symbolic_operand): Check mode.
933 (global_symbolic_operand): New.
934 (input_operand): Reject symbolics if explicit relocs.
935 (call_operand): Tidy.
936 (alpha_legitimize_address): Use movdi_er_high_g.
937 (alpha_expand_mov): Likewise.
938 * config/alpha/alpha-protos.h: Update.
939 * config/alpha/alpha.h (PREDICATE_CODES): Update.
940 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
941 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
942 (UNSPECV_LDGP2): Remove.
943 (all call patterns): Use 's' not 'i' for symbolic constraint.
944 (call_osf call_value_osf): Use call_operand.
945 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
946 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
947 (prologue_ldgp_1_er): Remove.
948 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
949 (builtin_setjmp_receiver_er patterns): Use them.
950 (exception_receiver_er): Likewise.
952 2001-09-19 Richard Henderson <rth@redhat.com>
954 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
956 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
957 and NON_LOCAL_GOTO notes.
958 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
959 copy over CALL_INSN_FUNCTION_USAGE.
961 2001-09-18 Catherine Moore <clm@redhat.com>
963 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
966 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
968 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
969 new-style tm_file specification. Specify correct tm_p_file,
970 md_file, and out_file for s390x.
972 * config/s390/linux.h, linux64.h: Don't include other target
973 macro header files. Now handled via tm_file.
975 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
976 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
977 are defined before use.
979 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
981 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
982 code generation only for Gnu assembler.
984 2001-09-18 Catherine Moore <clm@redhat.com>
986 * config/stormy16 (LIB_SPEC): Remove -lnosys.
988 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
990 * config/mips/mips.c (mips_frame_set): New.
991 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
992 a parallel frame-related expression with a set for each register.
994 2001-09-18 Philip Blundell <philb@gnu.org>
996 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
999 2001-09-17 Dale Johannesen <dalej@apple.com>
1001 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
1002 * config/rs6000/aix.h (FIXED_R2): Define.
1003 * config/rs6000/darwin.h (FIXED_R2): Define.
1004 * config/rs6000/sysv4.h (FIXED_R2): Define.
1006 2001-09-17 Jeff Sturm <jsturm@one-point.com>
1008 * except.c (dw2_build_landing_pads): New local
1009 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
1010 barrier after clobbers. Fixes c++/4012.
1012 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1014 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
1016 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1018 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
1019 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
1021 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1023 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
1026 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
1028 * cpphash.h (_cpp_lex_direct): New.
1029 * cpplex.c (_cpp_lex_token): Update.
1030 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
1031 and increment that pointer.
1032 * cppmacro.c (alloc_expansion_token): New.
1033 (lex_expansion_token): Lex macro expansion directly into
1036 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
1038 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
1040 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
1042 * basic-block.h (free_bb_for_insn): Declare.
1043 * bb-reorder.c (label_for_bb): Use block_label.
1044 (emit_jump_to_block_after): Remove.
1045 (insert_intra_1): Do not update block_for_insn.
1046 (insert_inter_bb_scope_notes): Likewise; update bb->end
1047 * cfg.c (free_bb_for_insn): New.
1048 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
1049 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
1050 (commit_one_edge_insertion): Likewise.
1051 (commit_one_edge_insertion): Do not update BB boundary.
1052 (commit_edge_insertions): Do not call compute_bb_for_insn.
1053 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
1054 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
1055 (merge_blocks_move_successor_nojumps): Likewise.
1056 (try_crossjump_to_edge): Do not update block_for_insn.
1057 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
1058 * df.c (df_pattern_emit_later): Do not update BB boundary.
1059 (df_jump_pattern_emit_after): Likewise.
1060 (df_insn_move_before): Use emit_insn_before.
1061 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
1063 (add_insn_after, add_insn_before, emit_insns_after): Update BB
1064 boundaries and basic_block_for_insn.
1065 (reorder_insns_nobb): Rename from reorder_insns.
1066 (reorder_insns): New.
1067 (emit_block_insn_before, emit_block_insn_after): Kill.
1068 * flow.c (check_function_return_warnings): Do not call
1069 compute_bb_for_insn; Do not free basic_block_for_insn.
1070 (attempt_auto_inc): Do not update basic_block_for_insn.
1071 * function.c (emit_return_into_block): Likewise;
1072 do not update BB boundaries.
1073 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
1074 (insert_insn_end_bb): Use emit_insn_before; Likewise.
1075 (pre_insert_copy_insn): Likewise.
1076 (update_ld_motion_notes): Likewise.
1077 (insert_insn_start_bb): Likewise.
1078 (replace_store_insn): Likewise.
1079 * ifcvt.c (noce_process_if_block): Likewise.
1080 (if_convert): Do not call compute_bb_for_insn.
1081 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
1082 Use emit_insn_before and emit_insn_after.
1083 * recog.c (split_all_insns): Do not update BB boundaries;
1084 Do not call compute_bb_for_insn.
1085 (peephole2_optimize): Do not update BB boundaries.
1086 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
1088 (emit_swap_insn): Likewise.
1089 (convert_regs_1): Likewise.
1090 * reload1.c (reload): Call compute_bb_for_insn.
1091 * rtl.h (reorder_insns_nobb): Declare.
1092 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
1093 * toplev.c (rest_of_compilation): Call free_bb_for_insn
1094 at places CFG is invalidated; do not call compute_bb_for_insn.
1096 * cfg.c (expunge_block): Invalidate BB structure.
1098 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
1101 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
1103 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1105 * cpphash.h (_cpp_lex_token): Update prototype.
1106 * cpplex.c (_cpp_lex_token): New prototype.
1107 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
1108 lex_macro_node, read_flag, do_pragma_poison): Update.
1109 * cppmacro.c (cpp_get_token, parse_params,
1110 lex_expansion_token): Update.
1112 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1114 * cppmain.c (scan_translation_unit): Don't worry about
1115 putting a space after hashes.
1116 * cpplib.c (directive_diagnostics): New.
1117 (_cpp_handle_directive): Update to use directive_diagnostics.
1118 (run_directive): Don't toggle prevent_expansion.
1119 (do_line): Backup in case of the line extension.
1120 * cpplib.h (cpp_lexer_pos): Remove.
1121 * cppmacro.c (_cpp_create_definition): Precede a leading #
1124 2001-09-15 Richard Henderson <rth@redhat.com>
1126 * c-typeck.c (comptypes): Handle zero-length arrays properly.
1128 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1130 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
1132 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1134 PR preprocessor/3571
1135 * tradcpp.c (handle_directive): Skip non-vertical space.
1137 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1139 * cppmain.c (setup_callbacks): Set line callback only
1140 if outputting preprocessed source.
1142 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1144 * collect2.c (main): Const-ification.
1145 * gcc.c (translate_options, process_command): Use xstrdup in
1146 lieu of xmalloc/strcpy.
1147 (main): Use concat in lieu of xmalloc/strcpy/strcat.
1149 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1151 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
1154 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1156 * scan-decls.c (scan_decls): Fix typo.
1158 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1160 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
1161 Split mlstring_pos into mls_line and mls_col.
1162 * cppinit.c (cpp_create_reader): Initialize line to 1.
1163 (cpp_destroy): Free tokenruns.
1164 (push_include): Don't update lexer_pos.
1165 * cpplex.c (unterminated, parse_string): Update.
1166 (lex_token): Don't update lexer_pos, update.
1167 * cpplib.c (if_stack): Save line instead of line + col.
1168 (start_directive, _cpp_do__Pragma, do_else, do_elif,
1169 push_conditional, _cpp_pop_buffer): Update.
1170 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
1171 (_cpp_create_definition): Update.
1173 2001-09-15 Eric Christopher <echristo@redhat.com>
1175 * config/mips/abi64.h: Add support for MEABI.
1177 2001-09-15 Eric Christopher <echristo@redhat.com>
1179 * config/mips/mips.md: Add unspec #2.
1181 (reload_outdi): Ditto.
1182 (reload_outsi): Ditto.
1185 2001-09-15 Eric Christopher <echristo@redhat.com>
1186 Jason Eckhardt <jle@redhat.com>
1188 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
1189 * config/mips/isa32-linux.h: New file.
1190 * config/mips/isa3264.h: Ditto.
1191 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
1192 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
1193 (output_block_mode): Support MEABI.
1194 (function_arg): Ditto. Fix floating point arg passing.
1195 (mips_va_start): Ditto.
1196 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
1198 (mips_asm_file_start): Add new section to pass abi to gdb.
1199 (function_arg_pass_by_reference): Support MEABI.
1200 (mips_parse_cpu): Support mips32 and mips64 processors.
1201 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
1202 TARGET_MIPS5KC. Support isa32 and isa64.
1203 (processor_type): Add r4kc, r5kc, r20kc.
1204 (GENERATE_MULT3_SI): New.
1205 (GENERATE_MULT3_DI): Ditto.
1206 (GENERATE_MULT3): Remove.
1207 (ISA_HAS_64BIT_REGS): Add isa == 64.
1208 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
1209 (ISA_HAS_MADD_MSUB): New.
1210 (ISA_HAS_CLZ_CLO): Ditto.
1211 (ISA_HAS_DCLZ_DCLO): Ditto.
1212 (ABI_GAS_ASM_SPEC): New.
1213 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
1216 (SUBTARGET_CC1_SPEC): Ditto.
1217 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
1218 (PAD_VARARGS_DOWN): Support MEABI.
1219 (HARD_REGNO_NREGS): Move to mips.c.
1220 (ASM_OUTPUT_IDENT): Add #undef.
1221 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
1222 (mulsi3): Use GENERATE_MULT3_SI.
1223 (mulsi3_mult3): Ditto. Support mips32, mips64.
1224 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
1225 (mul_sub_si): New pattern.
1226 (unnamed splitters): New.
1227 (muldi3): Use GENERATE_MULT3_DI.
1228 (muldi3_internal2): Ditto.
1229 (movdicc): Support mips32.
1230 * config/mips/t-isa3264: New file.
1232 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
1234 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
1235 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
1236 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
1238 * reorg.c (fill_slots_from_thread): After call to
1239 steal_delay_list_from_target, update own_thread as new_thread may
1242 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
1244 * cpperror.c (print_location): Take line and column, for
1245 default positioning use the previously lexed token.
1246 (_cpp_begin_message): Take line and column.
1247 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1248 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1249 * cpphash.h (_cpp_begin_message): Update prototype.
1250 * cppinit.c (push_include): Don't set output line.
1251 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
1252 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
1253 (do_pragma): Kludge for front ends. Don't expand macros at all.
1254 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
1255 (struct cpp_token): Remove output_line.
1256 (struct cpp_callbacks): New member line_change.
1257 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
1258 cpp_get_token): Preserve BOL flag.
1259 (cpp_get_line): Remove.
1260 (_cpp_backup_tokens): Remove useless abort().
1261 * cppmain.c (cb_line_change): New.
1262 (scan_translation_unit): Don't worry about starting new lines here.
1263 * scan-decls.c (scan_decls): Update.
1264 * c-lex.c (c_lex, init_c_lex): Update.
1265 (cb_line_change, src_lineno): New.
1267 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
1269 * tree.c (append_random_chars): Generate the random
1270 characters in a reproducable fashion.
1272 2001-09-14 Richard Henderson <rth@redhat.com>
1274 * config/i386/i386.c (internal_label_prefix): New.
1275 (internal_label_prefix_len): New.
1276 (override_options): Set them.
1277 (local_symbolic_operand): New.
1278 (legitimate_pic_address_disp_p): Use it.
1279 (legitimize_pic_address): Likewise.
1281 2001-09-14 Marc Espie <espie@openbsd.org>
1283 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
1286 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1288 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
1289 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
1291 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
1293 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
1294 invocation of SUBREG_REGNO_OFFSET.
1296 * haifa-sched.c: Fix typo in FSF copyright statement.
1297 * sched-deps.c: Fix typo in FSF copyright statement.
1298 * sched-ebb.c: Fix typo in FSF copyright statement.
1299 * sched-rgn.c: Fix typo in FSF copyright statement.
1300 * sched-vis.c: Fix typo in FSF copyright statement.
1302 * config.gcc: Move inclusion of arm elf specific header files
1303 from the files themselves into the tm_file variable. Make
1304 sure that elfos.h is included before target specific elf
1306 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
1308 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
1309 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
1310 ASM_OUTPUT_CASE_LABEL): Protect definition.
1311 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
1312 not already defined.
1313 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
1314 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
1315 Remove duplicate definition.
1316 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
1317 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
1318 (RDATA_SECTION_FUNCTION): Remove redundant definition.
1319 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
1320 Remove inclusion of arm/elf.h.
1321 * config/arm/unknown-elf.h: as for conix-elf.h.
1322 (STARTFILE_SPEC): Include crti.o and crtn.o.
1323 * config/arm/linux-elf.h: as for conix-elf.h.
1324 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
1325 * config/arm/strongarm-elf.h: Remove inclusion of
1327 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
1328 * config/arm/unknown-elf-oabi.h: Remove inclusion of
1329 unknown-elf.h and elf.h.
1330 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
1331 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
1332 ASM_WEAKEN_LABEL): Remove redundant definition.
1333 * config/arm/elf.h: Test for inclusion of elfos.h
1334 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
1335 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
1336 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
1337 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
1338 redundant definition.
1339 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
1340 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
1341 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
1342 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
1343 Add rules to build crti.o and crtn.o
1344 * crti.asm: New file.
1345 * crtn.asm: New file.
1347 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
1349 * c-parse.in (_yylex): Use _cpp_backup_tokens.
1350 * cpphash.h (struct tokenrun): Add prev.
1351 (struct lexer_state): Remove bol.
1352 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
1353 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
1355 * cppinit.c (cpp_create_reader): Don't set bol.
1356 (cpp_destroy): Don't free lookaheads.
1357 * cpplex.c (lex_directive): Remove.
1358 (next_tokenrun): Update.
1359 (_cpp_lex_token): Clean up logic.
1360 (lex_token): Update to return a pointer to lexed token, since it
1361 can move to the start of the buffer. Simpify newline handling.
1362 * cpplib.c (SEEN_EOL): Update.
1363 (skip_rest_of_line): Remove lookahead stuff.
1364 (end_directive): Line numbers are already incremented. Revert
1365 to start of lexed token buffer if we can.
1366 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
1367 parse_answer): Use _cpp_backup_tokens.
1368 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
1369 instead. Don't check for EOL.
1370 (do_include_common, do_line, do_pragma_system_header): Use
1372 * cpplib.h (BOL, _cpp_backup_tokens): New.
1373 * cppmacro.c (save_lookahead_token, take_lookahead_token,
1374 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
1375 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
1376 (builtin_macro): Don't use cpp_get_line.
1377 (cpp_get_line): Short term kludge.
1378 (parse_arg): Handle directives in arguments here. Back up when
1379 appropriate. Store EOF at end of argument list.
1380 (funlike_invocation_p): Use _cpp_backup_tokens.
1381 (push_arg_context): Account for EOF at end of list.
1382 (cpp_get_token): Remove lookahead stuff. Update.
1384 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1386 * c-parse.in (yyerror): Const-ification and/or static-ization.
1387 * c-typeck.c (push_member_name): Likewise.
1388 * collect2.c (main): Likewise.
1389 * dbxout.c (dbxout_parms): Likewise.
1390 * diagnostic.c (format_with_decl): Likewise.
1391 * dwarf2out.c (output_ranges): Likewise.
1392 * dwarfout.c (fundamental_type_code): Likewise.
1393 * except.c (dw2_output_call_site_table): Likewise.
1394 * gcc.c (do_spec_1): Likewise.
1395 * genopinit.c (optabs): Likewise.
1396 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
1397 gen_declaration_1, handle_impent): Likewise.
1398 * protoize.c (default_include, in_system_include_dir, abspath):
1400 * sched-vis.c (visualize_stall_cycles): Likewise.
1401 * sdbout.c (plain_type_1, sdbout_end_function,
1402 sdbout_end_epilogue): Likewise.
1403 * varasm.c (decode_reg_name): Likewise.
1405 * 1750a.c (mod_regno_adjust): Likewise.
1406 * alpha.c (alpha_write_one_linkage,
1407 unicosmk_output_default_externs): Likewise.
1408 * arm.c (arm_condition_codes): Likewise.
1409 * arm.h (arm_condition_codes): Likewise.
1410 * avr.c (output_movsisf, encode_section_info): Likewise.
1411 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1413 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1414 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1415 * m88k.c (output_function_profiler): Likewise.
1416 * mips.c (mips_output_conditional_branch): Likewise.
1417 * ns32k.c (ns32k_out_reg_names): Likewise.
1418 * ns32k.h (ns32k_out_reg_names): Likewise.
1419 * pj.c (pj_output_rval): Likewise.
1420 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1421 * sparc.c (sparc_flat_function_prologue,
1422 sparc_flat_function_epilogue): Likewise.
1424 2001-09-13 Markus Werle <numerical.simulation@web.de>
1425 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1427 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1428 Aachen University of Technology".
1430 2001-09-13 Andreas Schwab <schwab@suse.de>
1432 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1435 2001-09-13 Richard Henderson <rth@redhat.com>
1437 * config/alpha/alpha.c (small_symbolic_operand): New.
1438 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1439 (some_operand, input_operand): Don't handle HIGH.
1440 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1441 (alpha_expand_mov): Likewise.
1442 (print_operand) [H]: Just print HIGH symbol.
1443 (print_operand_address): Handle small data.
1444 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1445 (TARGET_SWITCHES): Add -msmall-data/large-data.
1446 (PIC_OFFSET_TABLE_REGNUM): New.
1447 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1448 (PREDICATE_COES): Update.
1449 * config/alpha/alpha.md (adddi_er_high): New.
1450 (adddi_er_low): Handle small data.
1451 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1452 prefer .sdata to .rodata.
1453 (SELECT_RTX_SECTION): Likewise.
1455 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1457 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1458 defining __size_t and leaving size_t undefined.
1460 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1462 * basic-block.h (expunge_block): Declare.
1463 * cfg.c (expunge_block): Remove static declaration.
1465 2001-09-12 Richard Henderson <rth@redhat.com>
1467 * integrate.c (copy_insn_list): Copy label name from
1468 NOTE_INSN_DELETED_LABEL.
1470 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1472 * c-common.c (c_tree_code_name): Const-ification.
1473 * c-decl.c (c_decode_option): Likewise.
1474 * c-typeck.c (warn_for_assignment): Likewise.
1475 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
1477 * cppinit.c (output_deps): Likewise.
1478 * dependence.c (dependence_string, direction_string): Likewise.
1479 * dwarf2out.c (output_ranges): Likewise.
1480 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
1481 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
1482 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1483 standard_startfile_prefix, standard_startfile_prefix_1,
1484 standard_startfile_prefix_2, tooldir_base_prefix,
1485 standard_bindir_prefix, find_a_file): Likewise.
1486 * genattrtab.c (make_length_attrs): Likewise.
1487 * gencheck.c (tree_codes): Likewise.
1488 * genemit.c (gen_split): Likewise.
1489 * genrecog.c (special_mode_pred_table): Likewise.
1490 * graph.c (graph_ext): Likewise.
1491 * protoize (default_include): Likewise.
1492 * reload.c (reload_when_needed_name): Likewise.
1493 * sched-vis.c (visualize_stall_cycles): Likewise.
1494 * tlink.c (recompile_files): Likewise.
1495 * toplev.c (decode_g_option): Likewise.
1496 * tradcpp.c (output_deps): Likewise.
1497 * varasm.c (decode_reg_name): Likewise.
1499 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1502 * avr.c (avr_regnames, encode_section_info): Likewise.
1503 * c4x.c (float_reg_names): Likewise.
1504 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1505 * elfos.h (const_section): Likewise.
1506 * i386.c (ix86_comp_type_attributes): Likewise.
1507 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1508 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1509 * ia64.c (type_names): Likewise.
1510 * m68hc11.c (reg_class_names): Likewise.
1511 * m88k.c (m_options): Likewise.
1512 * mips.c (mips_output_conditional_branch, mips_unique_section):
1514 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1515 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1516 ultra_code_names): Likewise.
1517 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1519 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1521 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1522 Use --fatal-warnings option for gas.
1523 * configure: Rebuilt.
1525 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1527 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1529 2001-09-11 Jim Wilson <wilson@redhat.com>
1531 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1533 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1535 * builtins.c (c_strlen): Treat an offset too large for a
1536 HOST_WIDE_INT as out of range.
1538 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1540 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1541 (EDGE_CRITICAL_P): New predicate.
1542 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1544 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1545 (dump_edge_info): Remove "crit".
1546 * cfganal.c (mark_critical_edges): Kill.
1547 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1548 * cfgcleanup.c (cleanup_cfg): Likewise.
1549 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1550 (find_spanning_tree): Likewise.
1551 * reg-stack.c (convert_regs_1): Likewise.
1552 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1554 * basic-block.h (create_basic_block_structure): New.
1555 (create_basic_block): Update prototype.
1556 (force_nonfallthru): New.
1557 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1558 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1559 handle updating of block_for_insn, creating of empty BBs and BBs at
1560 the end of INSN chain.
1561 (create_basic_block): New function.
1562 (split_block): Use create_basic_block.
1563 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1564 (redirect_edge_and_branch_force): ... here.
1565 (force_nonfallthru): New.
1566 (split_edge): Rewrite to use force_nonfallthru and create_block.
1567 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1568 (find_basic_blocks): Free basic_block_for_insn.
1569 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1571 * cfg.c: Fix formating.
1572 * cfgcleanup.c: Fix formating.
1573 (merge_blocks, tail_recursion_label_p): Return bool.
1574 (merge_blocks_move_predecessor_nojumps,
1575 merge_blocks_move_successor_nojumps): Return void.
1577 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1579 * configure.in: Check whether assembler supports section merging.
1580 * config.in: Rebuilt.
1581 * configure: Rebuilt.
1582 * varasm.c (variable_section, output_constant_pool): Pass alignment
1583 to SELECT_SECTION and SELECT_RTX_SECTION.
1584 (mergeable_string_section): New.
1585 (mergeable_constant_section): New.
1586 (default_elf_asm_named_section): Output SECTION_MERGE and
1587 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1588 * output.h (mergeable_string_section): New.
1589 (mergeable_constant_section): New.
1590 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1591 * toplev.c (flag_merge_constants): New.
1592 (f_options): Add -fmerge-constants and -fmerge-all-constants
1594 (toplev_main): Default to -fno-merge-constants if not optimizing.
1595 * flags.h (flag_merge_constants): Add extern.
1596 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1597 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1599 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1600 Define if assembler has working .subsection -1 support.
1601 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1602 Put constant into special SHF_MERGE sections if the linker should
1603 attempt to merge duplicates.
1604 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1606 Put constant into special SHF_MERGE sections if the linker should
1607 attempt to merge duplicates.
1608 * config/alpha/elf.h: Likewise.
1609 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1610 has working .subsection -1 support.
1611 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1613 * config/svr3.h: Likewise.
1614 * config/darwin.h: Likewise.
1615 * config/arm/aof.h: Likewise.
1616 * config/arm/linux-elf.h: Likewise.
1617 * config/avr/avr.h: Likewise.
1618 * config/c4x/c4x.h: Likewise.
1619 * config/d30v/d30v.h: Likewise.
1620 * config/i386/dgux.h: Likewise.
1621 * config/i386/osfrose.h: Likewise.
1622 * config/i386/sco5.h: Likewise.
1623 * config/i386/svr3gas.h: Likewise.
1624 * config/ia64/aix.h: Likewise.
1625 * config/m32r/m32r.h: Likewise.
1626 * config/m68k/m68k.h: Likewise.
1627 * config/m88k/dgux.h: Likewise.
1628 * config/m88k/m88k.h: Likewise.
1629 * config/mcore/mcore-pe.h: Likewise.
1630 * config/mips/mips.h: Likewise.
1631 * config/pa/pa.h: Likewise.
1632 * config/pa/pa-linux.h: Likewise.
1633 * config/romp/romp.h: Likewise.
1634 * config/rs6000/sysv4.h: Likewise.
1635 * config/rs6000/xcoff.h: Likewise.
1636 * config/s390/linux.h: Likewise.
1637 * config/sparc/sparc.h: Likewise.
1638 * config/sparc/sysv4.h: Likewise.
1639 * config/stormy16/stormy16.h: Likewise.
1640 * config/v850/v850.h: Likewise.
1641 * config/vax/vms.h: Likewise.
1642 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1643 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1644 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1645 default_elf_asm_named_section for SHF_MERGE sections.
1647 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1649 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1652 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1654 * c-common.c (split_specs_attrs): Allow for empty attributes with
1655 empty TREE_PURPOSE. Fixes PR c/4294.
1657 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1659 * basic-block.h (cached_make_edge, make_single_succ): New.
1660 (make_edge): Remove first parameter.
1661 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1662 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1663 created edge; use obstack allocation.
1664 (make_edge, make_single_succ_edge): New.
1665 (first_removed_edge): New static variable.
1666 (init_flow): Initialize first_removed_edge and n_edges.
1667 (clear_edges): Use remove_edge.
1668 (flow_delete_block): Likewise.
1669 (remove_edge): Add removed edges to the removed edges list.
1670 (split_block, redirect_edge_and_branch_force, split_edge):
1672 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1673 (add_noreturn_fake_exit_edges): Likewise.
1674 (connect_infinite_loops_to_exit): Liekwise.
1675 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1676 Use cached_make_edge.
1677 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1678 * profile.c (branch_prob): Update make_edge call.
1679 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1681 2001-09-11 Richard Henderson <rth@redhat.com>
1683 * config/alpha/alpha.c: Tidy formatting.
1684 (local_symbolic_operand): Verify mode.
1685 (alpha_sa_mask): Ignore unicos for eh_return.
1686 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1687 * config/alpha/alpha.md (umk divsi patterns): Remove.
1688 (extendsfdf2): Remove unicos check.
1689 (tablejump): Merge vms and unicos code; always use direct set
1692 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1694 * config.gcc (alpha*-*-unicosmk*): New target.
1696 * config/alpha/alpha-protos.h (symbolic_operand,
1697 unicosmk_add_call_info_word, unicosmk_add_extern,
1698 unicosmk_defer_case_vector, unicosmk_unique_section,
1699 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1700 unicosmk_asm_file_start, unicosmk_asm_file_end,
1701 unicosmk_output_common): Declare.
1703 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1704 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1705 alpha_does_function_need_gp, alpha_end_function): Support Cray
1707 (alpha_init_machine_status, alpha_mark_machine_status,
1708 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1709 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1710 unicosmk_asm_named_section, unicosmk_insert_attributes,
1711 unicosmk_section_type_flags, symbolic_operand,
1712 unicosmk_output_module_name, unicosmk_output_default_externs,
1713 unicosmk_output_dex, unicosmk_output_externs,
1714 unicosmk_output_addr_vec, unicosmk_ssib_name,
1715 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1716 unicosmk_asm_file_end, unicosmk_output_common,
1717 unicosmk_section_type_flags, unicosmk_unique_section,
1718 unicosmk_add_call_info_word, unicosmk_text_section,
1719 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1720 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1721 unicosmk_dex_count, unicosmk_special_name): New.
1722 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1723 TARGET_ABI_UNICOSMK.
1724 (get_aligned_mem, alpha_expand_unaligned_load,
1725 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1726 alpha_expand_unaligned_store_words): Support big-endian mode.
1727 (print_operand): Likewise. New format specifier 't'. Use
1728 TARGET_AS_SLASH_BEFORE_SUFFIX.
1729 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1730 (alpha_pv_save_size): Update with above change.
1731 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1732 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1735 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1736 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1737 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1738 (EXTRA_CONSTRAINT): New constraint 'U'.
1739 (PREDICATE_CODES): Add symbolic_operand.
1741 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1742 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1743 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1744 (integer division and modulus patterns): Split in default and
1746 (*divmodsi_internal, *divmoddi_internal): Disable for
1747 TARGET_ABI_UNICOSMK.
1748 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1749 little-endian and big-endian versions.
1750 (ext, ins, msk): Likewise.
1751 (extv, extzv, insv): Support big-endian mode.
1752 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1753 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1754 *tablejump_umk_internal, *call_value_umk): New.
1755 (*movdi_nofix): Add pattern for loading an address into a register on
1756 TARGET_ABI_UNICOSMK.
1757 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1758 (umk_mismatch_args, arg_home_umk): New.
1759 (various insns): Don't use mov, fmov, nop, fnop and unop.
1760 (realign): Support TARGET_ABI_UNICOSMK.
1762 * config/alpha/unicosmk.h: New file.
1763 * config/alpha/t-unicosmk: New file.
1765 * fixinc/inclhack.def (unicosmk_restrict): New.
1766 * fixinc/fixincl.x: Regenerate.
1768 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1769 (wchar_t): Check for and define __WCHAR_T__.
1771 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1773 * combine.c (simplify_shift_const): Treat shifts by the mode
1776 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1778 * cpphash.h (struct tokenrun): New.
1779 (struct cpp_context): New member bol.
1780 (struct cpp_reader): New members.
1781 (_cpp_init_tokenrun): New.
1782 * cppinit.c (cpp_create_reader): Set up the token runs.
1783 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1784 (lex_token): New internalised version of _cpp_lex_token. Don't
1785 handle directives or the multiple include opimisation here any
1786 more. Simply lex a token.
1787 * cpplib.c (run_directive): Clear bol.
1788 (_cpp_pop_buffer): Set bol.
1789 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1792 2001-09-11 Michael Meissner <meissner@redhat.com>
1794 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1795 give an error if the user uses -mfp32.
1796 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1798 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1799 floating point register size.
1800 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1802 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1803 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1805 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1806 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1808 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1810 * dbxout.c (dbxout_parms): Fix typo in comment.
1811 * unroll.c (loop_find_equiv_value): Ditto.
1812 * toplev.c (rest_of_compilation): Ditto.
1813 * loop.c (scan_loop): Ditto.
1814 * dwarf2out.c (struct dw_fde_struct): Ditto.
1816 2001-09-10 Zack Weinberg <zackw@panix.com>
1818 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1819 copying identifier when we're just going to throw it away.
1820 (parse_identifier_slow): New routine to handle abnormal cases.
1821 (_cpp_lex_token): Update call site.
1823 * hashtable.c (ht_lookup): Don't assume that the string we've
1824 been given is NUL-terminated.
1825 * system.h: #define __builtin_expect(a, b) to (a) if not
1828 2001-09-10 Michael Meissner <meissner@redhat.com>
1830 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1833 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1835 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1837 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1839 * builtins.c (c_getstr): Correct thinko in last change and further
1842 2001-09-10 Tim Freeman <tim@fungibole.com>
1844 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1845 into varray's and register them as roots with the garbage
1846 collector so they are not collected too soon.
1848 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1850 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1852 * basic-block.h (flow_obstack, label_value_list,
1853 tail_recursion_label_list): Declare
1854 (tidy_fallthru_edges): Declare.
1855 (expunge_block, last_loop_beg_note): Delete.
1856 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1858 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1859 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1860 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1861 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1862 expunge_block, flow_delete_block, compute_bb_for_insn,
1863 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1864 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1865 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1866 try_redirect_by_replacing_jump, last_loop_beg_note,
1867 redirect_edge_and_branch, redirect_edge_and_branch_force,
1868 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1869 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1870 commit_edge_insertions, dump_flow_info, debug_flow_info,
1871 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1872 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1873 Move here from flow.c
1874 * cfganal.c: New file.
1875 (forwarder_block_p, can_fallthru, mark_critical_edges,
1876 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1877 find_unreachable_blocks, create_edge_list, free_edge_list,
1878 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1879 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1880 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1881 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1882 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1883 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1884 Move here from flow.c
1885 * cfgbuild.c: New file
1886 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1887 make_edges, find_basic_blocks_1, find_basic_blocks,
1888 find_sub_basic_blocks): Move here from flow.c
1889 * cfgcleanup.c: New file.
1890 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1891 merge_blocks_move_predecessor_nojumps,
1892 merge_blocks_move_successor_nojumps, merge_blocks,
1893 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1894 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1895 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1897 * cfgloop.c: New file
1898 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1899 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1900 flow_loop_exit_edges_find, flow_loop_nodes_find,
1901 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1902 flow_loop_tree_node_add, flow_loops_tree_build,
1903 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1904 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1905 Move here from flow.c
1906 * flow.c: Remove everything moved elsewhere
1907 * output.h (cleanup_cfg): Return bool.
1909 * bb-reorder.c (reorder_block_def): Remove 'index'.
1910 (insert_intra_1): Add argument BB, set block for new note.
1911 (make_reorder_chain): Do not depdent on BB indexes.
1912 (make_reorder_chain_1): Do not use BB indexes.
1913 (label_for_bb): Likewise; set BB for new insn.
1914 (emit_jump_to_block_after): Likewise.
1915 (fixup_reoder_chain): Sanity check that all basic blocks
1916 are chained; verify newly created insn chain; remove
1917 undocnitional jump simplifying; Do not use BB indexes;
1918 properly initialize count and frequency information;
1919 dump reordered sequence.
1920 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1921 (insert_inter_bb_scope_notes): Set block for new insn.
1922 (reorder_basic_blocks): Dump flow info before reoredering.
1924 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1926 * alias.c (clear_reg_alias_info): Use K&R format definition.
1927 Avoid unsigned warning.
1928 * builtins.c: Use "unsigned int", not "unsigned".
1929 (target_char_cast): Use host_integerp and tree_low_cst.
1930 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1931 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1932 (c_getstr): Likewise.
1933 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1934 (builtin_memcpy_read_str): Avoid unsigned warning.
1935 (expand_builtin_memcpy): Alignments are unsigned.
1936 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1937 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1938 * predict.c (expensive_function_p): LIMIT now unsigned.
1939 * resource.c (mark_target_live_regs): Make some vars unsigned.
1940 * sdbout.c: Use "unsigned int", not "unsigned".
1941 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1942 (sdbout_source_line): Likewise.
1943 (sdbout_record_type_name): Remove "const" for NAME declaration.
1944 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1946 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1948 * calls.c (store_one_arg): Expand comment.
1950 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1952 * calls.c (store_one_arg): Make sure that the entire argument is
1953 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1955 2001-09-09 Richard Henderson <rth@redhat.com>
1957 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1959 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1961 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1963 2001-09-09 Richard Henderson <rth@redhat.com>
1965 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1966 (alpha_this_literal_sequence_number): New.
1967 (alpha_this_gpdisp_sequence_number): New.
1968 (some_operand, input_operand): Add HIGH.
1969 (local_symbolic_operand): New.
1970 (alpha_encode_section_info): New.
1971 (alpha_legitimate_address_p): Allow LO_SUM.
1972 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1973 (alpha_expand_mov): Likewise.
1974 (secondary_reload_class): Check memory_operand not general_operand
1976 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1977 (alpha_expand_unaligned_store): Likewise.
1978 (alpha_expand_unaligned_load_words): Likewise.
1979 (alpha_expand_unaligned_store_words): Likewise.
1980 (alpha_expand_block_clear): Likewise.
1981 (print_operand): Handle %#, %*, %H.
1982 (print_operand_address): Handle LO_SUM.
1984 (alpha_does_function_need_gp): Use it.
1985 (alpha_expand_block_move): Fix signed compare warnings.
1986 (alpha_sa_mask, alpha_align_insns): Likewise.
1987 * config/alpha/alpha-protos.h: Update.
1988 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1989 (MASK_EXPLICIT_RELOCS): New.
1990 (TARGET_SWITCHES): Add -mexplicit-relocs.
1991 (EXTRA_CONSTRAINT): Add 'T'.
1992 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1993 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1994 (ENCODE_SECTION_INFO): Out line.
1995 (REDO_SECTION_INFO_P): New.
1996 (STRIP_NAME_ENCODING): New.
1997 (ASM_OUTPUT_LABELREF): New.
1998 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1999 (PREDICATE_CODES): Update.
2000 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
2001 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
2002 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
2003 builtin_setjmp_receiver_er, exception_receiver_1_er,
2004 call_value_osf_1_er): New patterns.
2005 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
2006 (movqi, movhi, movsi): Add explicit $31 base register to lda.
2007 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
2008 (FINAL_PRESCAN_INSN): New.
2010 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
2012 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
2014 2001-09-08 Andreas Jaeger <aj@suse.de>
2016 * i386.h (TARGET_SWITCHES): Fix description.
2018 2001-09-07 David Edelsohn <edelsohn@gnu.org>
2020 * rs6000.c (num_insns_constant): Compute number of instructions
2023 * doc/install.texi: Explain AIX exception handling work-around.
2024 Update URL for AIX fixes.
2026 2001-09-07 Jim Wilson <wilson@redhat.com>
2028 * alias.c (clear_reg_alias_info): New.
2029 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
2030 * rtl.h (clear_reg_alias_info): Declare.
2032 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2034 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
2036 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
2037 (m16m,edivm,emulm): Change declaration to match definition.
2039 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2041 * reload.c (push_reload): Check for subreg_lowpart_p instead of
2042 SUBREG_BYTE being 0 when determining if the inner part of a subreg
2045 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2047 * c-common.c (signed_or_unsigned_type): Handle machine mode types
2048 which have no corresponding C type.
2049 * fold_const.c (target_isinf,target_isnan,target_negative): Update
2050 the representation of 64-bit doubles to work with 64-bit ints.
2052 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
2054 * config/mips/mips.c (override_options): Do not override ISA when ABI
2055 specified if MIPS_CPU_STRING_DEFAULT was specified.
2057 2001-09-07 Richard Henderson <rth@redhat.com>
2059 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
2060 (express_from_1): Wrap lines.
2061 * rtlanal.c (commutative_operand_precedence): Rename from
2062 operand_preference; export.
2063 * rtl.h: Declare it.
2064 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
2065 (simplify_binary_operation): Invoke simplify_plus_minus on
2066 (CONST (PLUS ...)) as well.
2067 (struct simplify_plus_minus_op_data): New.
2068 (simplify_plus_minus_op_data_cmp): New.
2069 (simplify_plus_minus): Use them. Avoid infinite recursion with
2070 simplify_binary_operation wrt CONST.
2072 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
2074 * h8300-protos.h (general_operand_dst_push): Remove.
2075 * h8300.c (general_operand_dst_push): Likewise.
2076 * h8300.h (OK_FOR_T): Likewise.
2077 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
2078 * h8300.md (pushqi_h8300): New.
2079 (pushqi_h8300hs): Likewise.
2081 (pushhi_h8300): Likewise.
2082 (pushhi_h8300hs): Likewise.
2085 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2087 * genattrtab.c (attr_printf): First arg is unsigned.
2088 Clean up formatting of callers.
2090 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
2092 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
2095 2001-09-07 Andreas Jaeger <aj@suse.de>
2097 * i386.h (TARGET_SWITCHES): Fix descriptions.
2099 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2101 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
2103 2001-09-06 Ira Ruben <ira@apple.com>
2105 Remove OP_IDENTIFIER.
2106 * tree.def (OP_IDENTIFIER): Remove.
2107 * tree.c (tree_node_kind enum): Remove op_id_kind.
2108 (tree_node_kind_names): Remove "op_identifiers".
2109 (make_node): Remove OP_IDENTIFIER test.
2110 (build_op_identifier): Removed because it isn't being used.
2111 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
2112 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
2114 2001-09-06 Richard Henderson <rth@redhat.com>
2116 * simplify-rtx.c (simplify_binary_operation): Revert last change.
2118 2001-09-06 Richard Henderson <rth@redhat.com>
2120 * simplify-rtx.c (simplify_binary_operation): Simplify contents
2123 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2125 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
2126 number used for CR register.
2128 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2129 Joern Rennecke (amylaar@cygnus.com)
2131 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
2132 * h8300.c (initial_offset): Handle offset between RP and FP.
2133 (h8300_return_addr_rtx): New function.
2134 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
2136 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
2137 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
2138 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
2139 (CAN_ELIMINATE, REGISTER_NAMES):
2140 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
2142 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
2144 Remove TYPE_NONCOPIED_PARTS.
2145 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
2146 (struct tree_type): Remove noncopied_parts.
2147 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
2148 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
2149 (fixed_type_p): Remove.
2150 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
2151 (expand_expr, MODIFY_EXPR): Likewise.
2152 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
2153 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
2155 2001-09-06 Alan Modra <amodra@bigpond.net.au>
2157 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
2159 (mask64_operand): Likewise.
2160 (includes_rldic_lshift_p): Likewise.
2161 (includes_rldicr_lshift_p): Likewise.
2163 2001-09-05 Ziemowit Laski <zlaski@apple.com>
2165 * objc/objc-act.c (build_message_expr): If a class method cannot
2166 be found, do not issue a warning if a corresponding instance
2167 method exists in the root class.
2169 2001-09-05 Richard Henderson <rth@redhat.com>
2171 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
2173 2001-09-05 Zack Weinberg <zack@codesourcery.com>
2175 * function.c (ggc_mark_struct_function): Mark f->outer.
2176 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
2177 * integrate.c (output_inline_function): ... not here.
2179 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2181 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
2183 * i386.c (size_cost): New static variable.
2184 (override_function): Use size_cost when -Os is specified.
2186 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
2187 properly; Use current_function_calls_eh_return.
2188 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
2189 use leave to avoid depdendancy chain.
2191 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
2192 get BB loop_depth instead of computing it from LOOP notes.
2194 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
2196 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2198 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2199 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2200 UNALIGNED_DOUBLE_INT_ASM_OP): Define
2202 2001-09-05 Jeffrey A Law (law@cygnus.com)
2203 Jason Merrill (jason@redhat.com)
2205 * stor-layout.c (layout_type): Complain if an array's size can
2206 not be represented in a size_t.
2208 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
2210 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
2212 * gcc.c: (process_command) Add parentheses around assignment
2213 used as truth value.
2215 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2217 * config/mips/mips.c (save_restore_insns): Don't mark any register
2218 save slots as unchanging if current_function_calls_eh_return.
2220 2001-09-05 Richard Henderson <rth@redhat.com>
2222 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
2223 * config/alpha/alpha-protos.h: Declare it.
2224 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
2225 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
2226 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
2227 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
2228 (REG_OK_FOR_BASE_P): Select one of the above.
2230 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2232 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
2233 (crti.o): Prefix name of object file with $(T).
2236 2001-09-05 David S. Miller <davem@redhat.com>
2238 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
2239 * config/sparc/linux64.h: Likewise.
2241 2001-09-05 Andreas Jaeger <aj@suse.de>
2243 * doc/invoke.texi (i386 Options): -mwide-multiply is not
2244 available anymore, remove the documentation.
2245 (i386 Options): Fix typo, cleanup index entries.
2247 * prefix.c (concat): Remove, we can use the version from liberty.
2249 2001-09-05 Richard Henderson <rth@redhat.com>
2251 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
2252 New functions split out of md file expanders.
2253 * config/alpha/alpha-protos.h: Declare them.
2254 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
2256 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
2258 * cppmacro.c (funlike_invocation_p): No need to restore context.
2260 2001-09-04 Richard Henderson <rth@redhat.com>
2262 * reload.c (push_reload): Export.
2263 * reload.h (push_reload): Declare it.
2265 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
2266 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2267 * config/alpha/alpha.c (alpha_legitimize_address): New.
2268 (alpha_legitimize_reload_address): Likewise.
2269 * config/alpha/alpha-protos.h: Declare them.
2271 2001-09-04 Stan Shebs <shebs@apple.com>
2273 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
2274 * config/darwin.c (machopic_stub_name): Account for internally
2275 generated lib calls such as memcpy.
2277 2001-09-04 Richard Henderson <rth@redhat.com>
2279 * unwind.h (_UA_END_OF_STACK): New flag.
2280 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
2282 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2284 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
2286 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
2288 * config/mips/mips.c (save_restore_insns): Change base_offset to
2289 fp_offset in second call to mips_emit_frame_related_store.
2291 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
2293 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
2294 sometimes be represented as a NOTE of type
2295 NOTE_INSN_DELETED_LABEL.
2296 (Insns): Document NOTE_INSN_DELETED_LABEL.
2298 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
2300 * c-common.h (tree_dump_index): Add more comments.
2301 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
2302 (dump_option_value_info): New struct.
2303 (dump_options): New array.
2304 (dump_switch_p): Parse switch options symbolically.
2305 * doc/invoke.texi (-fdump-ast): Rename to ...
2306 (-fdump-tree): ... here. Document that options are symbolic, and
2307 not all are applicable.
2309 2001-09-04 David S. Miller <davem@redhat.com>
2311 * config/sparc/sparc.md (define_splits): Kill constraints.
2313 Cleanup redundant and unused insn attributes.
2314 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
2315 binary, and move. Mark ialu as default.
2316 (commented out define_function_unit "alu"): Kill.
2317 (define_attr "use_clobbered"): Kill.
2318 (whole file): Kill address insn type references. Replace
2319 all unary/binary/move references with ialu.
2320 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
2321 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
2324 Simplify length insn attribute and make more judicious use
2325 of insn attribute defaulting.
2326 * config/sparc/sparc.md (all insns with length > one): Mark as
2327 insn type multi if real instructions, else use default if
2328 it is a forced splitter.
2329 (all insns with length == one): Use default insn length.
2330 (all insns of type ialu): Use default insn type.
2332 Fix erroneous insn attribute settings.
2333 (addx): Set insn type to misc.
2334 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
2335 const_umulsidi3_sp64): Set insn type to imul.
2337 Track SFmode vs DFmode insns according to UltraSPARC
2339 * config/sparc/sparc.md ("fptype"): New attribute, default
2341 (all DFmode single insns): Mark as fptype "double".
2343 2001-09-03 Jakub Jelinek <jakub@redhat.com>
2345 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
2347 2001-09-03 Richard Henderson <rth@redhat.com>
2349 * function.h (struct function): Add arg_pointer_save_area_init.
2350 * function.c (expand_function_end): Init arg_pointer_save_area.
2351 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
2352 when called from a nested function.
2354 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
2356 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
2359 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2361 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
2363 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
2365 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
2366 (emit_push_insn): Use specified padding direction when
2367 STACK_PUSH_CODE is POST_INC.
2369 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
2371 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2373 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
2375 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
2377 * cppinit.c (cpp_start_read): Free the imacros list as we
2378 traverse it. Don't free the chains before returning.
2379 (_cpp_push_next_buffer): Only try pushing buffers if we've
2380 completed -imacros handling.
2382 2001-08-31 Eric Christopher <echristo@redhat.com>
2384 * gcc.c (handle_braces): Add explaination for abort.
2386 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
2388 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
2389 move adjustment of bitpos instead.
2391 2001-08-31 Zack Weinberg <zack@codesourcery.com>
2393 * function.c: Remove all_functions. Make outer_function_chain
2395 (init_function_start): Don't add new function structure to
2397 (find_function_data, push_function_context_to,
2398 pop_function_context_from, put_var_into_stack,
2399 trampoline_address): Update for changed structure element names.
2400 (push_function_context_to): Disentangle.
2401 (free_after_compilation): Also free F.
2402 (expand_dummy_function_end): Don't free cfun here.
2403 (put_var_into_stack): Comment why we can't use find_function_data here.
2404 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
2405 (mark_function_chain): Split into maybe_mark_struct_function and
2406 ggc_mark_struct_function. Export the latter.
2407 (init_function_once): Mark from cfun and outer_function_chain;
2410 * function.h (struct function): Kill next_global. Rename next
2411 to outer. All users updated to match.
2412 (all_functions, outer_function_chain): Don't declare.
2414 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2415 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
2416 don't touch f->inlinable, after calling rest_of_compilation.
2418 * tree.h: Forward-declare struct function. Prototype
2419 ggc_mark_struct_function.
2421 2001-08-31 Kazu Hirata <kazu@hxi.com>
2423 * config/h8300/h8300.md (*andorhi3): Fix typos.
2425 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2427 * calls.c (emit_library_call_value): Don't use a fixed
2428 argument after VA_CLOSE, i.e. out of scope in traditional C.
2430 * emit-rtl.c (gen_rtvec): Likewise.
2432 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2434 * Makefile.in (c-pragma.o): Depend on output.h.
2435 (reorg.o): Depend on except.h.
2437 * c-pragma.c: Include output.h.
2439 * reorg.c: Include except.h.
2441 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2443 2001-08-31 Richard Henderson <rth@redhat.com>
2445 * sched-deps.c (add_dependence): Don't elide dependancy if the
2446 conditional used by insn is modified in elem.
2448 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2450 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2452 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2454 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2457 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2459 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2461 (stormy16_asm_out_constructor): New function.
2462 (TARGET_ASM_CONSTRUCTOR): Define.
2463 (TARGET_ASM_DESTRUCTOR): Define.
2465 2001-08-31 Andreas Jaeger <aj@suse.de>
2467 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
2468 * loop.c (add_label_notes): Likewise.
2469 * reload.c (find_reloads): Likewise.
2470 * config/sh/sh.c (machine_dependent_reorg): Likewise.
2472 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
2474 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
2475 code here. Take _Unwind_{W,Sw}ord*.
2476 (read_encoded_value_with_base): Use them.
2477 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
2479 (extract_cie_info): Simplify read_?leb128 handling.
2480 (execute_stack_op, execute_cfa_program): Likewise.
2481 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2483 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2485 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2486 the frame pointer to pop the stack if convenient.
2488 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2489 Don't use post-increment before combine.
2490 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
2491 a call-saved register.
2493 2001-08-31 Andreas Jaeger <aj@suse.de>
2495 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2498 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2500 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2501 not DIV/MOD, of course.
2503 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2505 * rtl.def: Undo my patch commited 2001-08-27.
2507 * genattrtab.c: Ditto.
2511 * sched-int.h: Ditto.
2513 * target-def.h: Ditto.
2517 * haifa-sched.c: Ditto.
2519 * sched-rgn.c: Ditto.
2521 * sched-vis.c: Ditto.
2523 * Makefile.in: Ditto.
2525 * doc/md.texi: Ditto.
2527 * doc/tm.texi: Ditto.
2529 * doc/contrib.texi: Ditto.
2531 * doc/gcc.texi: Ditto.
2533 * genattrtab.h: Remove it.
2535 * genautomata.c: Remove it.
2537 * genattr.c: Undo my patch and Richard Henderson's patch commited
2540 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2542 * config.gcc (h8300-*-elf*): New case.
2543 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2544 (SUBTARGET_CPP_SPEC): Define.
2545 (EXTRA_SPECS): Define.
2546 (SUBTARGET_EXTRA_SPECS): Define.
2547 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2548 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2550 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2552 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2553 (LIB2FUNCS_EXTRA): Define.
2554 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2555 config/h8300/fixunssfsi.c: New file.
2557 2001-08-30 Kazu Hirata <kazu@hxi.com>
2559 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2560 define_expand to accomodate target-specific attributes.
2561 (anonymous zero_extendqihi2 patterns): New.
2563 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2565 * h8300.md (*andorhi3): New pattern.
2567 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2569 * h8300.c (dosize): Fix test for "sub".
2571 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2573 * c-typeck.c (pointer_diff): Try to eliminate common term before
2576 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2578 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2579 Account for the saves of the FP registers.
2581 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2582 (TEXT_SECTION_ASM_OP): Define.
2583 (INIT_SECTION_ASM_OP): Define.
2584 (FINI_SECTION_ASM_OP): Define.
2585 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2586 (RDATA_SECTION_FUNCITON): Provide prototype.
2588 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2590 * reload1.c (move2add_note_store): Correct typo checking for
2593 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2595 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2596 note should not be considered outside the libcall block.
2598 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2600 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2602 2001-08-29 Kazu Hirata <kazu@hxi.com>
2604 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2606 2001-08-29 Kazu Hirata <kazu@hxi.com>
2608 * config/h8300/h8300-protos.h: Add a prototype for
2610 * config/h8300/h8300.c (emit_logical_op): New.
2611 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2618 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2620 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2621 comparison with rtx INTVAL.
2622 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2624 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2626 2001-08-29 Kazu Hirata <kazu@hxi.com>
2628 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2631 2001-08-29 Kazu Hirata <kazu@hxi.com>
2633 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2634 (reg n) to (mem (pre_dec (reg n))
2635 (anonymous movsi pattern): Likewise.
2637 2001-08-29 Kazu Hirata <kazu@hxi.com>
2639 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2641 2001-08-29 Kazu Hirata <kazu@hxi.com>
2643 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2644 several special constants.
2646 2001-08-29 Kazu Hirata <kazu@hxi.com>
2648 * config/h8300/lib1funcs.asm: Fix comment typos.
2650 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2652 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2653 Fix format specifier warnings.
2655 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2656 inet_makeaddr, semctl): Prototype.
2658 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2659 (save_restore_insns): Use base_offset, not gp_offset.
2661 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2662 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2664 2001-08-29 Richard Henderson <rth@redhat.com>
2666 * bb-reorder.c (function_tail_eff_head): New.
2667 (record_effective_endpoints): Set it.
2668 (fixup_reorder_chain): Use it.
2670 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2672 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2674 2001-08-28 Dale Johannesen <dalej@apple.com>
2676 * config/darwin.c (machopic_function_base_name): Add const
2677 qualifier to a string.
2678 (darwin_encode_section_info): Ditto.
2680 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2682 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2683 function definition.
2685 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2687 * df.h (struct df): Add rts_order variable.
2689 * df.c (df_visit_next_rts): New function.
2690 (df_visit_next): Renamed to df_visit_next_rc
2691 (df_analyse_1): Allocate/compute/free rts_order as well.
2692 (df_rd_global_compute): Use df_visit_next_rc instead of
2694 (df_ru_global_compute): Use df_visit_next_rts instead of
2697 * flow.c (flow_reverse_top_sort_order_compute): New function.
2699 * basic-block.h: Add prototype.
2701 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2703 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2704 blocks, the BB_REACHABLE is now set, rather than aux being
2705 non-NULL. Update the test to reflect this.
2707 2001-08-28 Eric Christopher <echristo@redhat.com>
2709 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2710 config/mips/crti.asm: Ditto.
2712 2001-08-28 Eric Christopher <echristo@redhat.com>
2713 Richard Henderson <rth@redhat.com>
2715 * c-pragma.h (add_weak): Move prototype from here...
2716 * output.h (add_weak): ... to here.
2717 * varasm.c (add_weak): Fix typo.
2718 * config/mips/crti.asm: New file.
2719 * config/mips/crtn.asm: Ditto.
2720 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2721 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2722 (INVOKE__main): Ditto.
2723 (INIT_SECTION_ASM_OP): New.
2724 (FINI_SECTION_ASM_OP): Ditto.
2725 (STARTFILE_SPEC): Add crti.
2726 (ENDFILE_SPEC): Add crtn.
2727 * config/mips/elf64.h: Same.
2728 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2730 * config/mips/vxworks.h: Ditto.
2731 * config/mips/t-elf: Support crti and crtn.
2733 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2735 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2738 2001-08-28 Richard Henderson <rth@redhat.com>
2740 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2741 (one_cmplbi2 splitter): Remove redundant test.
2743 2001-08-28 Dale Johannesen <dalej@apple.com>
2745 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2747 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2749 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2751 2001-08-28 Stan Shebs <shebs@apple.com>
2753 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2754 (UNALIGNED_SHORT_ASM_OP): Define.
2755 (UNALIGNED_INT_ASM_OP): Define.
2757 2001-08-28 Will Cohen <wcohen@redhat.com>
2759 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2760 generation for first set.
2762 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2764 * flow.c (redirect_edge_succ_nodup): Return new edge.
2765 (try_simplify_condjump): Use new edge.
2766 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2768 * cse.c (cse_basic_block): Skip note instructions.
2770 2001-08-27 Richard Henderson <rth@redhat.com>
2772 * combine.c (combine_simplify_rtx): Don't reverse condition
2773 if there is no reverse for the condition.
2774 (simplify_comparison): Don't simplify subregs from INT to FP.
2776 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2777 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2778 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2779 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2780 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2781 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2783 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2785 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2786 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2788 (adddi_dilshr32, adddi_dishl32): Only data register can be
2789 source for mem destination.
2791 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2792 and use bitnum to decide about register move.
2794 2001-08-27 Richard Henderson <rth@redhat.com>
2796 * genattr.c (main): Emit state_t even when not doing scheduling.
2798 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2799 Richard Henderson <rth@redhat.com>
2801 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2802 (reg_avail_info, current_bb): ... these.
2803 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2804 (compute_hash_table): Likewise.
2806 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2808 * flow.c (verify_flow_info): Use checksums to verify edges.
2810 2001-08-27 Richard Henderson <rth@redhat.com>
2812 * genautomata.c (expand_automata): Always create a description.
2814 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2816 * optabs.c (expand_binop): Correctly handle the carry in multiword
2817 add/subtract operations.
2819 2001-08-27 Fred Fish <fnf@be.com>
2821 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2824 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2826 * reload.c (find_reloads_toplev): Back out this change:
2828 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2830 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2831 mem if the address is a mode_dependent_address_p.
2833 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2835 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2836 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2837 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2840 * genattr.c (main): New variable num_insn_reservations. Increase
2841 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2842 pipeline hazard recognizer interface.
2844 * genattrtab.h: New file.
2846 * genattrtab.c: Include genattrtab.h.
2847 (attr_printf, check_attr_test, make_internal_attr,
2848 make_numeric_value): Move protypes into genattrtab.h. Define them
2850 (num_dfa_decls): New global variable.
2851 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2852 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2853 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2854 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2856 * genautomata.c: New file.
2858 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2860 * sched-int.h: (curr_state): Add the external definition for
2861 automaton pipeline interface.
2862 (haifa_insn_data): Add comments for members blockage and units.
2864 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2865 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2866 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2867 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2868 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2869 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2870 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2872 (TARGET_SCHED): Use the new macros.
2874 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2875 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2876 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2877 dfa_bubble): New members in gcc_target.sched.
2879 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2880 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2881 (insn_queue): Redefine it as pointer to array.
2882 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2884 (max_insn_queue_index_macro_value): New variable.
2885 (curr_state, dfa_state_size, ready_try): New varaibles for
2886 automaton interface.
2887 (ready_element, ready_remove, max_issue): New function prototypes
2888 for automaton interface.
2889 (choose_ready): New function prototype.
2890 (insn_unit, blockage_range): Add comments.
2891 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2892 FUNCTION_UNITS_SIZE == 0.
2893 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2894 actual_hazard, potential_hazard): Add comments.
2895 (insn_cost): Use cost -1 as undefined value. Remove
2896 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2898 (ready_element, ready_remove): New functions for automaton
2900 (schedule_insn): Add new code for automaton pipeline interface.
2901 (queue_to_ready): Add new code for automaton pipeline interface.
2902 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2903 (debug_ready_list): Print newline when the queue is empty.
2904 (max_issue): New function for automaton pipeline interface.
2905 (choose_ready): New function.
2906 (schedule_block): Add new code for automaton pipeline interface.
2907 Print ready list before scheduling each insn.
2908 (sched_init): Add new code for automaton pipeline interface.
2909 Initiate insn cost by -1.
2910 (sched_finish): Free the current automaton state and finalize
2911 automaton pipeline interface.
2913 * sched-rgn.c: Include target.h.
2914 (init_ready_list, new_ready, debug_dependencies): Add new code for
2915 automaton pipeline interface.
2917 * sched-vis.c: Include target.h.
2918 (get_visual_tbl_length): Add code for automaton interface.
2919 (target_units, print_block_visualization): Add comments.
2921 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2922 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2923 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2924 (getruntime.o, genautomata.o): New entries.
2925 (genattrtab.o): Add new dependency file genattrtab.h.
2926 (genattrtab): Add new dependencies. Link it with `libm.a'.
2927 (getruntime.o, hashtab.o): New entries for canadian cross.
2929 * doc/md.texi: Description of automaton based model.
2931 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2933 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2934 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2935 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2936 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2937 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2938 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2939 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2941 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2942 MAX_DFA_ISSUE_RATE): New macro descriptions.
2944 * doc/contrib.texi: Add dfa based scheduler contribution.
2946 * doc/gcc.texi: Add more information about genattrtab.
2948 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2950 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2953 2001-08-27 Richard Henderson <rth@redhat.com>
2955 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2956 (get_arg_pointer_save_area): New. Create an init it here.
2957 (fix_lexical_addr): Use it.
2958 * function.h: Declare it.
2959 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2960 * stmt.c (expand_nl_goto_receiver): Use it.
2962 2001-08-27 Richard Henderson <rth@redhat.com>
2964 * final.c (final_scan_insn): Don't enter APP_ON mode for
2967 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2968 alignment for assemble_integer for DW_EH_PE_aligned.
2969 * except.c (output_function_exception_table): Likewise.
2971 2001-08-26 Andreas Jaeger <aj@suse.de>
2973 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2975 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2977 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2979 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2981 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2983 (mask64_operand): Likewise.
2984 (rldic_operand): Delete.
2985 (includes_lshift64_p): Delete.
2986 (includes_rldic_lshift_p): New function.
2987 (includes_rldicr_lshift_p): New function.
2988 (print_operand): Don't call rldic_operand in case 'W'.
2989 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2990 (includes_lshift64_p): Remove.
2991 (includes_rldic_lshift_p): Declare.
2992 (includes_rldicr_lshift_p): Declare.
2993 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2994 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2995 Replace match_operand rldic_operand predicate with
2996 const_int_operand. Replace includes_lshift64_p condition with
2997 includes_rldic_lshift_p.
2998 <ashldi3_internal 64 bit rldicr patterns>: New.
3000 2001-08-27 Andreas Jaeger <aj@suse.de>
3002 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3003 * errors.c: Likewise.
3004 * final.c: Likewise.
3005 * dwarf2asm.c: Likewise.
3006 * doprint.c (checkit): Likewise.
3007 * diagnostic.c: Likewise.
3008 * collect2.c: Likewise.
3009 * calls.c: Likewise.
3010 * c-semantics.c (build_stmt): Likewise.
3011 * c-format.c (status_warning): Likewise.
3012 * c-errors.c (pedwarn_c99): Likewise.
3013 * builtins.c (validate_arglist): Likewise.
3014 * config/pj/pj.c (pj_printf): Likewise.
3015 * fix-header.c: Likewise.
3017 * gcov.c (fnotice): Likewise.
3018 * gensupport.c (message_with_line): Likewise.
3019 * mips-tfile.c: Likewise.
3020 * protoize.c (notice): Likewise.
3021 * read-rtl.c (fatal_with_file_and_line): Likewise.
3022 * rtl-error.c: Likewise.
3023 * tradcpp.c: Likewise.
3025 * cp/tree.c (build_min_nt): Likewise.
3026 (build_min): Likewise.
3027 * cp/lex.c: Likewise.
3028 * cp/errfn.c: Likewise.
3029 * cp/rtti.c (create_pseudo_type_info): Likewise.
3031 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
3033 * df.c (df_uses_record): Return after recording all uses
3036 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
3038 * df.c (df_insn_modify): Realloc the INSN table here, if
3039 necessary, here, too.
3041 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
3043 * config/mips/mips.c (mips_function_value): Handle complex return
3046 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
3048 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
3050 * reload.c (make_memloc): Copy result if it is still
3051 reg_equiv_memory_loc[regno] on return.
3052 (subst_reloads) [ENABLE_CHECKING]: Check that none of
3053 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
3054 reg_equiv_mem are modified by the substitutions.
3056 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3058 * predict.c (expensive_function_p): New.
3059 * rtl.h (expensive_function_p): Declare.
3060 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
3061 (use_fast_prologue_epilogue): New static variable.
3062 (expand_prologue): Set it; emit short prologues if unset.
3063 (expand_epilogue): Likewise.
3065 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3067 * config.gcc: Add stormy16-*-elf case.
3068 * config/stormy16/stormy-abi: New file.
3069 * config/stormy16/stormy16-lib2.c: New file.
3070 * config/stormy16/stormy16-protos.h: New file.
3071 * config/stormy16/stormy16.c: New file.
3072 * config/stormy16/stormy16.h: New file.
3073 * config/stormy16/stormy16.md: New file.
3074 * config/stormy16/t-stormy16: New file.
3076 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
3078 * i386.h (no-accumulate-outgoing-args): Use proper mask.
3080 2001-08-24 David Edelsohn <edelsohn@gnu.org>
3082 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
3083 descriptor members are pointer size, not constant 4.
3084 * config/rs6000/rs6000.md (define_splits): Remove more unused
3087 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3089 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
3091 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
3093 * cp/rtti.c (VPARAMS): Fix parameter.
3095 2001-08-24 Zack Weinberg <zackw@panix.com>
3097 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
3099 (mode_for_extraction): No need for #ifdefs. Add default-case abort
3101 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
3102 in if controlling use of insv.
3103 (extract_bit_field): Likewise, for extv and extzv.
3105 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3107 * i386.md (movcc peep2): Fix load of 0.
3109 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3111 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
3112 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
3114 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
3116 * c-pragma.h: Move weak_syms and weak_decls...
3117 * varasm.c: ...here. Now static.
3118 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
3119 depend on HANDLE_PRAGMA_WEAK.
3121 * c-common.c (c_alignof, c_alignof_expr): Move here...
3122 * c-typeck.c: ...from here.
3123 * c-tree.h, c-common.h: Adjust.
3125 2001-08-23 Bernd Schmidt <bernds@redhat.com>
3127 * config/ia64/ia64.c (rws_update): If !pred, set write_count
3128 instead of incrementing it.
3130 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
3131 asm ready, don't try to move them all into the same array element.
3133 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3135 * function.c (thread_prologue_and_epilogue_insns): Avoid
3136 fallthru flag on edge to exit.
3138 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
3140 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
3143 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3145 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
3146 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
3147 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
3150 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3152 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
3153 replace "GNU CC" with "GCC".
3155 2001-08-23 Richard Henderson <rth@redhat.com>
3157 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
3158 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
3159 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
3160 Need GR between FR and not GR_AND_FR.
3161 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
3162 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
3163 AR regs before GR regs.
3164 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3165 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
3166 (REGISTER_MOVE_COST): Update.
3167 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
3169 2001-08-23 Richard Henderson <rth@redhat.com>
3171 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
3174 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3176 * reload1.c (emit_reload_insns): Don't look for notes
3177 on a NULL store_insn.
3179 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3181 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
3182 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
3183 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
3184 format specifier warnings.
3185 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
3187 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
3189 * config/i386/i386-protos.h: Correct declaration of
3190 i386_pe_asm_named_section.
3192 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
3194 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
3196 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3198 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3200 * cpperror.c (print_location): Don't show _Pragma.
3201 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
3202 and file change callback generation here.
3203 (stack_include_file): Update use of cpp_push_buffer.
3204 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
3205 (struct cpp_buffer): Remove type, pfile members.
3206 * cppinit.c (cpp_handle_option): Use free_chain.
3207 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
3208 (skip_escaped_newlines, get_effective_char, lex_percent): Take
3209 a cpp_reader rather than a cpp_buffer.
3210 (skip_escaped_newlines, get_effective_char, skip_block_comment,
3211 skip_line_comment, parse_string, lex_percent, lex_dot,
3212 _cpp_lex_token): Update accordingly.
3213 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
3215 (cpp_push_buffer): Update prototype.
3216 (run_directive): Update use of cpp_push_buffer.
3217 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
3218 handle_assertion): Update use of run_directive.
3219 * cpplib.h (enum cpp_buffer_type): Remove.
3220 (cpp_push_buffer): Update prototype.
3221 * fix-header.c (read_scan_file): Update.
3223 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3225 * gcc.c (struct prefix_list): Change prefix to const char *.
3227 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3229 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
3231 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
3233 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
3236 * jump.c (squeeze_notes): Take parms by reference. Handle END being
3239 * ifcvt.c (dead_or_predicable): Adjust.
3240 * loop.c (find_and_verify_loops): Adjust.
3241 * stmt.c (expand_end_case): Adjust.
3242 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
3243 head and end insn pointers in the basic block, not just local copies.
3244 (merge_blocks_move_predecessor_nojumps): Likewise.
3246 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
3248 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
3249 bitmap.h, builtin-types.def, builtins.c, builtins.def,
3250 c-aux-info.c, c-common.c, c-common.def, c-common.h,
3251 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
3252 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
3253 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
3254 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
3255 conditions.h, config.gcc, configure.frag, configure.in,
3256 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
3257 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
3258 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
3259 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
3260 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
3261 emit-rtl.c, errors.c, errors.h, except.c, except.h,
3262 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
3263 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
3264 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
3265 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
3266 gencheck.c, gencodes.c, genconfig.c, genemit.c,
3267 genextract.c, genflags.c, gengenrtl.c, genmultilib,
3268 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
3269 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
3270 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
3271 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
3272 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
3273 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
3274 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
3275 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
3276 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
3277 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
3278 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
3279 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
3280 params.h, predict.c, predict.def, predict.h, prefix.c,
3281 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
3282 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
3283 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
3284 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
3285 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
3286 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
3287 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
3288 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
3289 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
3290 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
3291 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
3292 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
3293 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
3294 xcoffout.h: replace "GNU CC" with "GCC".
3296 2001-08-21 Richard Henderson <rth@redhat.com>
3298 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
3299 (final_scan_insn): Consider jump tables data even if we have no
3300 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
3302 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
3303 (ASM_OUTPUT_CASE_END): Remove.
3304 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
3305 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
3306 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
3308 2001-08-21 Richard Henderson <rth@redhat.com>
3310 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
3311 at barrier insns. Emit stop bits before barriers.
3313 * flow.c (flow_find_cross_jump): Don't consider unconditional
3314 return insns for commoning.
3316 * final.c (compute_alignments): Fix typo.
3318 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
3319 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
3320 (store_bit_field): Use mode_for_extraction more places.
3321 (extract_bit_field): Likewise.
3323 2001-08-21 Zack Weinberg <zackw@panix.com>
3325 * caller-save.c: Don't include insn-codes.h.
3326 (reg_save_code, reg_restore_code): Make arrays of int.
3327 All uses updated to match.
3328 (insert_save, insert_restore): No need to initialize "code"
3329 variable upon declaration.
3330 * Makefile.in: update dependencies; fix typo in clean rule.
3332 2001-08-21 Richard Henderson <rth@redhat.com>
3334 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
3335 (merge_if_block): Handle fallout from same.
3337 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3339 * builtins.c (type_to_class): Fix typo in last change.
3341 2001-08-21 Richard Henderson <rth@redhat.com>
3343 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
3344 ia64_asm_output_label.
3346 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
3347 copy of gp while the real gp register contains garbage.
3349 2001-08-21 Zack Weinberg <zackw@panix.com>
3351 * expmed.c (mode_for_extraction): New function.
3352 (store_bit_field, extract_bit_field): Use it.
3353 * expr.h: Prototype it and provide an enum for its first argument.
3355 * combine.c, function.c, recog.c: Don't include insn-codes.h.
3356 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
3357 and digging through the insn_data tables.
3358 * Makefile.in: Update dependencies.
3360 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3362 * cppfiles.c (stack_include_file): line-map.c now handles include
3364 (handle_missing_handler): Similarly.
3365 (_cpp_execute_include): Similarly.
3366 (_cpp_pop_file_buffer): Similarly.
3367 * cpphash.h (struct cpp_reader): Remove system_include_depth,
3368 buffer_stack_depth and include_depth.
3369 * cpplib.c (do_include_common): line-map.c now handles include depth.
3370 (cpp_push_buffer): Similarly.
3371 (_cpp_pop_buffer): Similarly.
3372 * cppmacro.c (builtin_macro): Update.
3373 * line-map.c (init_line_maps): Set depth.
3374 (add_line_map): Increment "used" earlier. Update and use the
3376 (trace_include): Use the include depth.
3377 * line-map.h (struct line_maps): New member depth.
3379 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3381 * cppfiles.c (stack_include_file): Don't handle -H here.
3382 * cppinit.c (cpp_start_read): Set include tracing after
3383 cpp_post_options and after stacking the main file.
3384 * line-map.c (trace_include): New.
3385 (init_line_maps, add_line_map): Update.
3386 * line-map.h (struct line_maps): New member trace_includes.
3388 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3390 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
3391 * cppfiles.c (stack_include_file): Only stack a file if there
3392 is something to do. Return a boolean indicating whether a
3393 buffer was stacked or not.
3394 (_cpp_execute_include): Similarly.
3395 (_cpp_read_file): Similarly.
3396 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
3398 2001-08-21 Sam Steingold <sds@gnu.org>
3400 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
3401 (RECACHE): keep obufp_before_macroname up to date
3403 2001-08-21 Zack Weinberg <zackw@panix.com>
3405 * stmt.c: Don't include insn-codes.h.
3406 (expand_end_case): Machine specific logic moved to expr.c.
3407 No need to worry about __builtin_classify_type.
3408 (check_for_full_enumeration_handling, emit_case_nodes):
3411 * builtins.o (expand_builtin_classify_type): Split up so code
3412 can be shared with fold_builtin_classify_type.
3413 (type_to_class, fold_builtin_classify_type): New functions.
3414 (fold_builtins): Handle __builtin_classify_type.
3416 * expr.c (do_tablejump): Now static.
3417 (case_values_threshold, try_casesi, try_tablejump): New;
3418 code mostly from stmt.c (expand_end_case).
3419 (expr.h): Update prototypes.
3421 * Makefile.in (stmt.o): Update dependencies.
3423 2001-08-21 Will Cohen <wcohen@redhat.com>
3425 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3426 declaration of variable i.
3427 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3428 declaration of variable i.
3430 2001-08-21 Richard Henderson <rth@redhat.com>
3432 * crtstuff.c: Fix thinko last change. Move list tails to start
3433 of CRT_END section. Tidy ifdefs.
3434 (__EH_FRAME_BEGIN__): Always static for ELF.
3435 (__do_global_ctors_1): Rename from __frame_dummy.
3436 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3437 name change; don't hide __EH_FRAME_BEGIN__.
3439 2001-08-21 Richard Henderson <rth@redhat.com>
3441 * gdbinit.in: Move break on exit after break on fancy_abort.
3443 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3446 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3448 * cpphash.h (_cpp_push_next_buffer): New.
3449 * cppinit.c (do_includes): Remove.
3450 (push_include, free_chain, _cpp_push_next_buffer): New.
3451 (cpp_start_read): Use them to rework command line option handling.
3452 (cpp_handle_option): Combine handling of -include and -imacros.
3453 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3454 appropriate. Always insert missing \n at EOF.
3455 * cpplib.c (start_directive): Get the directive position right.
3456 * cppmain.c (cb_file_change): Always print the first line, unless
3459 2001-08-20 Andreas Jaeger <aj@suse.de>
3461 * profile.c (compute_branch_probabilities): Remove extra new-line
3463 * flow.c (verify_flow_info): Likewise.
3465 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3467 * basic-block.h (basic_block): Add new field 'flags'.
3468 (BB_REACHABLE): Define.
3469 (expunge_block): Declare.
3470 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
3471 (EXIT_BLOCK_PTR): Ditto.
3472 (expunge_block): Remove static declaration.
3473 (cleanup_cfg): Clear bb->aux on every basic block.
3474 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
3475 computing reachability.
3476 (delete_unreachable_blocks): Delete block b if b->flags has
3479 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3481 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3483 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3485 * sparc.c (sparc_variable_issue): Fix typo in last change.
3487 2001-08-20 Richard Henderson <rth@redhat.com>
3489 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
3491 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
3493 * pa.h (RETURN_IN_MEMORY): Improve comment.
3495 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3497 * doc/invoke.texi (Profiling options): Clarify the interactions
3498 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3500 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3502 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3505 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3507 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3510 2001-08-20 Richard Henderson <rth@redhat.com>
3512 * final.c (end_final): Fix typo last change.
3514 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3516 * cppinit.c (init_standard_includes): The returned buffer
3517 is already malloc-ed.
3518 * gcc.c (add_prefix): Similarly.
3519 * prefix.c (translate_name): Update to support clear buffer
3521 (update_path): Similarly. Be sure to free any newly allocated
3522 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3524 * prefix.h (update_path): Update prototype and document.
3525 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3526 up and update to new buffer ownership rules.
3527 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3529 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3531 * final.c (compute_alignments): New function.
3532 (init_insn_lengths): Do not care label_align.
3533 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3534 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3535 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3536 (shorted_branches): Realloc label_align array; do
3537 not call init_insn_lengths; Do not care about loop alignments.
3538 * output.h (compute_alignments): Declare.
3539 * toplev.c (rest_of_compilation): Call compute_alignments.
3540 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3542 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3543 change visited to tovisit.
3544 (propagate_freq): Use faster traversing algorithm.
3545 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3546 to tovisit; reverse meaning.
3548 * predict.c (struct block_info_def): Remove nvisited.
3549 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3550 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3552 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3554 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3555 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3556 (TARGET_FUSED_MADD): New.
3557 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3558 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3559 the multiply-add instructions.
3561 2001-08-19 Richard Henderson <rth@redhat.com>
3563 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3564 is aligned to pointer size.
3566 2001-08-19 Richard Henderson <rth@redhat.com>
3568 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3569 display markers during final schedule.
3571 2001-08-19 Richard Henderson <rth@redhat.com>
3573 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3575 2001-08-19 Richard Henderson <rth@redhat.com>
3577 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3579 (ASM_NAME_TO_STRING): Remove.
3580 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3581 in the same string. Remove support for expressions.
3583 2001-08-19 Richard Henderson <rth@redhat.com>
3585 * config/i386/i386.md (tablejump): Make an expander; handle
3586 pic relative addressing here.
3587 (tablejump_1): Rename from tablejump_pic.
3590 2001-08-19 Richard Henderson <rth@redhat.com>
3592 * regclass.c (fix_register): Fix typo.
3594 2001-08-18 Richard Henderson <rth@redhat.com>
3596 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3597 (struct _Unwind_Context): Expand br_loc to hold it.
3598 (uw_frame_state_for): Handle leaf functions better.
3599 (uw_update_reg_address): Update for br_loc change.
3601 2001-08-18 Richard Henderson <rth@redhat.com>
3603 * crtstuff.c: Move list heads before code that uses them.
3604 (__JCR_LIST__): Remove initial null.
3605 (frame_dummy, __frame_dummy): Do java registration here ...
3606 (__do_global_ctors_aux): ... not here.
3608 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3609 (__do_global_dtors_aux): Update to match.
3610 (__JCR_LIST__, __do_jv_register_classes): New.
3612 * config/ia64/crtend.asm (__JCR_END__): New.
3613 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3614 instead of an indirect LTOFF22 reloc.
3616 2001-08-18 Richard Henderson <rth@redhat.com>
3618 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3619 * regclass.c (init_reg_sets_1): Fix typo.
3620 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3621 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3622 (ia64_compute_frame_size): Make ar.unat live when in use.
3623 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3624 for ar.pfs; remove ar.unat handling.
3625 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3627 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3628 * config/ia64/ia64-protos.h: Update decls.
3629 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3630 (sibcall_pic): Likewise.
3632 2001-08-18 Richard Henderson <rth@redhat.com>
3634 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3635 pred_rel_mutex when searching for insn_group_barrier.
3636 * config/ia64/ia64.md (cycle_display): Combine the expander
3639 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3640 bit before asm as needed.
3642 2001-08-18 Richard Henderson <rth@redhat.com>
3644 * timevar.def (TV_MACH_DEP): New.
3645 * toplev.c (rest_of_compilation): Use it.
3646 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3648 2001-08-18 Zack Weinberg <zackw@panix.com>
3650 * unwind-dw2.c (execute_stack_op): Add default aborts to
3651 the inner switches to prevent warnings.
3653 2001-08-18 Richard Henderson <rth@redhat.com>
3655 * timevar.h (struct timevar_time_def): Change element type to float.
3656 (ticks_to_msec, clocks_to_msec): Likewise.
3657 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3658 (get_time): Likewise.
3659 (timevar_print): Adjust zero check and printing to match.
3661 2001-08-18 Zack Weinberg <zackw@panix.com>
3663 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3664 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3665 Eliminate overfull or underfull hboxes.
3667 2001-08-18 Zack Weinberg <zackw@panix.com>
3669 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3671 2001-08-18 Zack Weinberg <zackw@panix.com>
3673 * haifa-sched.c: Convert to target hooks. Macros replaced
3674 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3675 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3676 MD_SCHED_FINISH, and HAVE_cycle_display.
3677 * target-def.h (TARGET_SCHED_ADJUST_COST,
3678 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3679 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3680 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3681 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3682 New hook #defines to be overridden.
3683 (TARGET_SCHED): Bring them all together.
3684 (TARGET_INITIALIZER): Update.
3685 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3686 instead of 'struct rtx_def *' throughout.
3687 (struct sched): New set of hooks for the scheduler.
3688 * Makefile.in (haifa-sched.o): Depend on target.h.
3689 * doc/tm.texi: Document the new scheduler hooks, together in
3690 their own section, instead of scattered around.
3691 Fix a bunch of underfull/overfull hboxes.
3693 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3694 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3695 sparc.h: Don't define any of the old scheduler macros.
3697 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3698 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3699 sparc.c: Create hook functions from code extracted from
3700 corresponding target header, or make existing hooks static, as
3701 appropriate. Set the appropriate entries in targetm.
3703 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3704 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3705 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3706 Remove prototypes for functions which are now static.
3708 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3709 related gunk; the Haifa scheduler is now the only choice.
3711 2001-08-18 Zack Weinberg <zackw@panix.com>
3713 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3714 * genopinit.c: Put floating point divide insns in sdiv_optab.
3715 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3716 * config/gofast.h, config/c4x/c4x.h,
3717 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3718 config/pa/long_double.h, config/rs6000/sysv4.h,
3719 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3720 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3721 (init_optabs): Use init_optabv for overflow-trapping optabs.
3722 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3723 cmp_optab RTX codes so have_insn_for can find them.
3725 * optabs.c (expand_simple_binop, expand_simple_unop,
3726 have_insn_for, gen_sub3_insn): New interfaces.
3727 * expr.h: Prototype new functions.
3728 (enum optab_methods): Move here from optabs.h.
3730 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3731 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3732 Use new functions instead of working directly with optabs.
3733 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3734 unroll.c: Don't include optabs.h.
3735 * caller-save.c, combine.c, function.c, stmt.c: Just include
3736 insn-codes.h, not optabs.h.
3737 * Makefile.in: Update dependencies.
3739 * combine.c (make_compound_operation, simplify_comparison):
3740 Fix typos testing for this or that instruction.
3742 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3744 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3745 generating libgcc.a.
3747 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3749 * except.c (TYPE_HASH): Delete.
3751 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3754 * tree.c (TYPE_HASH): Delete.
3756 * tree.h (TYPE_HASH): Define.
3758 2001-08-18 Graham Stott <grahams@redhat.com>
3760 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3762 (adddi3_internal_2+2): Likewise.
3763 (eh_set_lr_di+1): Likewise.
3765 2001-08-17 Richard Henderson <rth@redhat.com>
3767 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3768 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3769 * dwarf2asm.c: ... here.
3770 * dwarfout.c: Remove them.
3772 * varasm.c (assemble_integer): Add align parameter.
3773 (assemble_real, output_constant, output_constructor): Likewise.
3774 * output.h: Update decls.
3775 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3776 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3777 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3778 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3779 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3782 * final.c (end_final): Abort profile block generation if we
3783 havn't layed it out properly.
3784 * output.h (assemble_eh_integer): Remove stale decl.
3785 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3787 (assemble_integer): Handle unaligned data.
3788 (assemble_real): Abort on unaligned data.
3789 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3791 (default_dtor_section_asm_out_destructor): Use assemble_align.
3792 (default_named_section_asm_out_constructor): Likewise.
3793 (default_ctor_section_asm_out_constructor): Likewise.
3794 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3795 (machopic_asm_out_destructor): Likewise.
3796 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3797 (nextstep_asm_out_destructor): Likewise.
3798 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3799 (vms_asm_out_destructor): Likewise.
3801 2001-08-17 Richard Henderson <rth@redhat.com>
3803 * config/mips/iris6.h (TARGET_IRIX6): New.
3804 (current_section_name, current_section_flags): New.
3805 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3806 (MAX_OFILE_ALIGNMENT): New.
3807 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3808 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3809 (copy_file_data): Split out from
3810 (mips_asm_file_end): ... here.
3811 (mips_asm_file_start): Remove extra .section directive. Use
3812 tmpfile instead of mips_make_temp_file.
3813 (mips_unique_section): Use const char * as needed for warnings.
3814 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3815 re-add align parameter.
3816 (iris6_asm_named_section): New.
3817 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3818 (iris6_asm_output_align, iris6_section_align_1): New.
3819 (iris6_asm_file_start, iris6_asm_file_end): New.
3820 * config/mips/mips-protos.h: Update decls.
3822 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3824 * doc/install.texi (Install GCC): Add links to build status pages.
3826 (Final install): Ditto; request updates for specific info
3828 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3830 * cpperror.c (print_location): Don't take a file name; use the
3832 (_cpp_begin_message): Similarly.
3833 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3834 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3835 (cpp_pedwarn_with_file_and_line): Remove.
3836 * cppfiles.c (stack_include_file): Update; set filename to stdin
3837 here when appropriate.
3838 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3839 (_cpp_begin_message): Don't take a file name.
3840 * cppinit.c: Add comment.
3841 * cpplex.c: Fix end-of-directive indicator.
3842 * cpplib.c: Don't include intl.h.
3843 (run_directive, do_diagnostic): Update.
3844 (do_line): Update to not use nominal_fname.
3845 (cpp_push_buffer): Don't take a filename.
3846 * cpplib.h (struct ht): Remove.
3847 (cpp_push_buffer): Don't take a filename.
3848 (cpp_pedwarn_with_file_and_line): Remove.
3849 * cppmacro.c (struct cpp_macro): Remove file.
3850 (builtin_macro): Update.
3851 (_cpp_create_definition): Update.
3852 * cppmain.c: Correct comment.
3853 * fix-header.c (read_scan_file): Update.
3855 2001-08-17 Kazu Hirata <kazu@hxi.com>
3857 * sbitmap.c: Fix comment formatting.
3858 * sched-deps.c: Likewise.
3859 * sibcall.c: Likewise.
3860 * simplify-rtx.c: Likewise.
3862 * ssa-ccp.c: Likewise.
3863 * stor-layout.c: Likewise.
3864 * timevar.c: Likewise.
3865 * toplev.c: Likewise.
3866 * unwind-dw2.c: Likewise.
3867 * unwind-dw2-fde.c: Likewise.
3868 * varasm.c: Likewise.
3870 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3872 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3873 or larger than an integer in memory.
3875 2001-08-17 Zack Weinberg <zackw@panix.com>
3877 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3878 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3879 * rtl.h: Don't forward-declare union tree_node here. Don't
3880 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3881 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3882 and tree respectively.
3883 * tree.h: Don't forward-declare struct rtx_def here. Don't
3884 typedef tree here. Change all uses of struct rtx_def *,
3885 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3886 and tree respectively.
3888 2001-08-17 Richard Henderson <rth@redhat.com>
3890 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3891 config/mips/openbsd.h: Fix typos last change.
3893 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3895 * doc/invoke.texi (Optimize Options): The default for
3896 -finline-limit is 600.
3898 2001-08-17 Richard Henderson <rth@redhat.com>
3900 * varasm.c (text_section): Allow TEXT_SECTION to override the
3901 printing of TEXT_SECTION_ASM_OP.
3902 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3903 (DATA_SECTION, BSS_SECTION): Remove.
3904 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3905 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3906 Rename from s/_NAME//.
3907 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3908 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3909 (TEXT_SECTION): ... here. New.
3910 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3911 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3912 * config/mips/openbsd.h: Likewise.
3913 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3914 (mips_asm_file_end): Likewise test.
3915 (mips_output_function_epilogue): Likewise. Switch back to data
3916 section after emitting the function.
3918 * doc/tm.texi (Sections): Document TEXT_SECTION.
3920 2001-08-17 Richard Henderson <rth@redhat.com>
3922 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3923 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3925 2001-08-17 Richard Henderson <rth@redhat.com>
3927 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3928 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3929 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3930 Add aligned attribute.
3932 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3934 * config/sh/sh.md: Add modes to unspecs in first insn to match
3935 those in the second.
3937 * Makefile.in: Fix collect2 copy for Cygwin.
3939 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3941 Install the proper patch.
3942 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3943 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3944 (expand_function_start): Likewise.
3945 * stmt.c (expand_decl): Likewise.
3946 * varasm.c (make_decl_rtx): Likewise.
3948 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3950 * final.c: Undo my previous accidental checkin.
3951 * output.h: Likewise.
3952 * tm.texi: Likewise.
3954 2001-08-16 Richard Henderson <rth@redhat.com>
3956 * varasm.c (named_section_flags): Remove align parameter.
3957 * varasm.c, dwarf2out.c: Update all callers.
3958 * output.h: Update prototypes.
3960 * target.h (target.asm_out.named_section): Remove align parameter.
3961 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3962 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3963 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3964 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3965 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3967 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3968 (get_named_section_flags, set_named_section_flags): New.
3969 (named_section_flags): Use them.
3970 (named_section): Do decl vs section flags check here...
3971 (default_section_type_flags): ... not here.
3972 (init_varasm_once): Create in_named_htab.
3973 (resolve_unique_section): Mark reloc unused.
3975 2001-08-16 Richard Henderson <rth@redhat.com>
3977 * varasm.c (force_const_mem): Keep pool alignment in bits.
3978 (output_constant_pool): Use assemble_align.
3980 2001-08-16 Zack Weinberg <zackw@panix.com>
3982 * doc/tm.texi: Remove extra @table command.
3984 2001-08-16 Zack Weinberg <zackw@panix.com>
3986 * final.c (shorten_branches): Clear the end of the label_align
3987 array only if we made it larger. Break up messy expressions
3990 * diagnostic.c (internal_error): Check for error recursion
3991 before doing ICE suppression.
3993 * timevar.c: Timing variables now count in milliseconds.
3994 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3995 (get_time): Not here.
3996 (timevar_print): Don't print any timer whose user, cpu, and
3997 wall times are all zero as displayed.
3998 * timevar.h: Update comment aboout units. Make timevar
4001 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4003 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4004 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4005 (expand_function_start): Likewise.
4006 * stmt.c (expand_decl): Likewise.
4007 * varasm.c (make_decl_rtx): Likewise.
4009 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
4011 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
4012 (finalize_record_size): Don't set TYPE_USER_ALIGN.
4014 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4016 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
4019 2001-08-16 Andreas Jaeger <aj@suse.de>
4021 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
4024 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
4026 * rtl.h (only_sets_cc0_p): New prototype.
4027 * jump.c (sets_cc0_p): Handle INSN.
4028 (only_sets_cc0_p): New function.
4029 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
4030 (tidy_fallthru_edge): Likewise.
4031 * integrate.c (copy_insn_list): Likewise.
4032 * unroll.c (unroll_loop): Likewise.
4033 (copy_loop_body): Likewise.
4035 2001-08-15 Jason Eckhardt <jle@redhat.com>
4037 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
4039 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4041 * predict.c (struct block_info_def): Remove nvisited.
4042 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4043 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4045 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
4046 (ix86_adjust_cost): Teach scheduler that latency to load operand can
4049 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
4051 * predict.def: Update hitrates.
4053 2001-08-15 Richard Henderson <rth@redhat.com>
4055 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
4057 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
4059 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
4060 note from its associated jump.
4062 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4064 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
4065 also on 64-bit s390x targets.
4067 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
4069 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
4071 (arm_expand_prologue): Handled nested functions which take a
4072 variable argument list.
4073 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
4074 macro with an invocation of
4075 arm_compute_initial_elimination_offset.
4076 * config/arm/arm-protos.h: Prototype
4077 arm_compute_initial_elimination_offset.
4079 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4081 * doc/install.texi (Specific, avr): Fix markup.
4082 (Specific, c4x): Ditto.
4084 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4086 * predict.c (dump_prediction): Change `bool' parameter to `int'.
4088 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
4090 * Makefile.in (OBJS): Add rtl-error.o
4091 (rtl-error.o): New rule.
4092 (diagnostic.o): Adjust dependency.
4093 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
4094 error_for_asm, _fatal_insn, _fatal_insn_not_found,
4095 warning_for_asm): Move to...
4096 rtl-error.c: ...here. New file.
4098 2001-08-14 Richard Henderson <rth@redhat.com>
4100 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
4101 if USING_SJLJ_EXCEPTIONS.
4103 2001-08-14 Steve Ellcey <sje@cup.hp.com>
4105 * tlink.c (scan_linker_output): Check string for unsatisfied in
4106 addition to undefined and unresolved.
4108 2001-08-14 Graham Stott <grahams@redhat.com>
4110 * libgcc2.c (*): Replace EH_FRAME_SECTION with
4111 EH_FRAME_SECTION_NAME.
4113 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4115 * genattrtab.c (simplify_test_exp_in_temp): New function.
4116 (simplify_test_exp): Avoid explicit use of temporary obstack.
4117 (simplify_cond, insert_right_side, evaluate_eq_attr,
4118 simplify_and_tree, simplify_or_tree, eliminate_known_true):
4119 Use simplify_test_exp_in_temp.
4120 (optimize_attrs): Iterate until expression stabilizes.
4122 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
4124 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
4125 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
4127 2001-08-13 Richard Henderson <rth@redhat.com>
4129 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
4130 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
4131 * config/arm/conix-elf.h: Likewise.
4133 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4135 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
4137 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
4139 * gcse.c (hash_scan_set): Expressions that are set as part of
4140 jump instructions are not available.
4142 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4144 * config/s390/s390.c (print_operand, s390_function_prologue,
4145 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
4147 2001-08-13 Richard Henderson <rth@redhat.com>
4149 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
4150 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
4151 * doc/tm.texi (Exception Region Output): Document it.
4153 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4155 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
4156 DWARF2 instead of stabs by default.
4158 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4160 * config/rs6000/rs6000.c: Include optabs.h.
4162 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4164 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
4165 save/restore routines.
4166 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
4168 2001-08-13 Andreas Jaeger <aj@suse.de>
4170 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
4171 the english is correct.
4173 2001-08-13 Zack Weinberg <zackw@panix.com>
4175 * expr.h: Split out optab- and libfunc-related code to...
4176 * optabs.h, libfuncs.h: ... these new headers.
4178 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
4180 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
4182 * mkconfig.sh: Don't include insn-codes.h from config.h.
4184 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
4185 enum insn_code is available. Move reload_in_optab and
4186 reload_out_optab array declarations to optabs.h.
4187 * regmove.c (gen_add3_insn): Move to optabs.c, export from
4188 there, prototype in expr.h.
4189 * gencodes.c: Cleanup: zap global variables, don't use
4190 printf where puts will do, don't bother defining MAX_INSN_CODE
4191 which nothing uses, let CODE_FOR_nothing get its value implicitly.
4193 * genemit.c, genopinit.c: Include optabs.h in generated file.
4194 * genoutput.c: Include insn-codes.h in generated file.
4195 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
4196 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
4197 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
4198 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
4199 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
4200 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
4202 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
4203 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
4204 config/m88k/m88k.c, config/sparc/sparc.c:
4206 * reload.c: Include expr.h and optabs.h before reload.h.
4207 * config/alpha/alpha.c: Include tree.h before reload.h.
4208 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
4209 and reload.h in that order.
4210 * config/sparc/sparc.c: Include debug.h.
4211 * recog.c: Include insn-codes.h.
4213 2001-08-13 Andreas Jaeger <aj@suse.de>
4215 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
4218 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4220 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
4221 * gcc.c (init_spec): Fix typo in comment.
4222 * varasm.c (data_section): Fix typo in comment.
4224 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4226 * predict.c (dump_prediction): New argument "USED".
4227 (combine_predictions_for_insn): Determine the used heuristics,
4228 output the case no heuristic applied.
4229 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
4231 2001-08-13 Andreas Jaeger <aj@suse.de>
4233 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
4236 2001-08-13 Kazu Hirata <kazu@hxi.com>
4238 * jump.c: Fix formatting.
4240 2001-08-13 Kazu Hirata <kazu@hxi.com>
4242 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
4245 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
4247 * loop.c (check_dbra_loop): Use condjump_label to compute
4250 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
4251 to better document the files they're in.
4253 2001-08-12 Zack Weinberg <zackw@panix.com>
4255 * recog.h (struct insn_operand_data): Shrink 'mode' field
4258 2001-08-12 Kazu Hirata <kazu@hxi.com>
4260 * gcc.c: Fix comment formatting.
4261 * gccspec.c: Likewise.
4264 * genemit.c: Likewise.
4265 * gengenrtl.c: Likewise.
4266 * genrecog.c: Likewise.
4267 * gensupport.c: Likewise.
4268 * ggc-page.c: Likewise.
4269 * global.c: Likewise.
4270 * graph.c: Likewise.
4271 * ifcvt.c: Likewise.
4272 * integrate.c: Likewise.
4274 * libgcc2.c: Likewise.
4276 * mbchar.c: Likewise.
4277 * optabs.c: Likewise.
4278 * predict.c: Likewise.
4279 * prefix.c: Likewise.
4280 * profile.c: Likewise.
4281 * protoize.c: Likewise.
4283 * recog.c: Likewise.
4284 * regclass.c: Likewise.
4285 * regmove.c: Likewise.
4286 * reg-stack.c: Likewise.
4287 * reload1.c: Likewise.
4288 * resource.c: Likewise.
4289 * rtlanal.c: Likewise.
4292 2001-08-12 Kazu Hirata <kazu@hxi.com>
4294 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
4295 a tree representing a constant is passed to the macro.
4297 2001-08-12 Richard Henderson <rth@redhat.com>
4299 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
4300 (rs6000_elf_asm_out_destructor): New.
4301 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
4302 (DTORS_SECTION_ASM_OP): Remove.
4303 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4304 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
4306 2001-08-12 David Edelsohn <edelsohn@gnu.org>
4309 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4310 * gcc.c (set_collect_gcc_options): New function, split out from
4312 Ignore elided switches.
4313 (do_spec_1): Invoke before executing command.
4314 (set_input): Export.
4315 Move declaration ...
4316 * gcc.h (set_input): ... here.
4317 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4320 2001-08-12 Richard Henderson <rth@redhat.com>
4322 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
4323 thinko wrt TARGET_RELOCATABLE.
4325 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
4327 * fix-header.c (cb_file_change): Update prototype.
4329 2001-08-11 Zack Weinberg <zackw@panix.com>
4331 * toplev.c (set_float_handler): Make static.
4332 * toplev.h: Don't prototype set_float_handler.
4334 * simplify-rtx.c: Don't include setjmp.h.
4335 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
4337 (simplify_unary_operation, simplify_binary_operation): Use them,
4338 via do_float_handler.
4340 * fold-const.c: Don't include setjmp.h.
4341 (exact_real_inverse_1): New function.
4342 (exact_real_inverse): Use it, via do_float_handler.
4344 * varasm.c: Don't include setjmp.h.
4345 (assemble_real_1): New function.
4346 (assemble_real): Use it, via do_float_handler.
4347 Call internal_error if we get a trap here.
4349 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
4350 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
4352 2001-08-11 Zack Weinberg <zackw@panix.com>
4354 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
4355 STACK_BOUNDARY if not already defined.
4357 * calls.c, function.c, reload1.c, explow.c: Don't default
4358 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
4359 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
4361 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
4364 * doc/tm.texi: Document that STACK_BOUNDARY is required;
4365 clarify difference between it and PREFERRED_STACK_BOUNDARY.
4367 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4369 * cppmacro.c (enter_macro_context): Push macro expansions even
4372 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4374 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
4375 (rs6000_elf_section_type_flags): Actually return a value.
4377 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4379 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
4380 Clean up code: add missing comments and prototypes, fix warnings,
4381 remove obsolete code, fix spacing to conform to coding style.
4383 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4385 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
4386 and TARGET_ASM_CLOSE_PAREN.
4387 (regclass_map): CC register belongs to class NO_REGS.
4388 (legitimize_pic_address): Don't generate unnecessary moves
4389 (to avoid confusing loop optimization).
4390 (check_and_change_labels): Replace jump_long by indirect_jump.
4391 (s390_final_chunkify): Don't start a new literal pool on section
4392 switch in 64-bit code.
4393 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
4395 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
4396 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
4397 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
4399 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
4400 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
4401 (CONST_COSTS): Fixed incorrect costs.
4403 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
4404 Use emit_jump instead of emit_jump_insn (gen_jump).
4405 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
4406 (to avoid confusing flow analysis).
4407 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
4408 (casesi, casesi_jump): New.
4409 (jump_long): Removed. Functionality merged into indirect_jump.
4410 (indirect_jump): Accept address_operand, not just register_operand.
4411 (cjump_long, icjump_long): Use same logic as indirect_jump.
4412 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4413 Fixed broken setjmp/longjmp handling.
4414 (do_builtin_setjmp_setup): Removed.
4416 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
4417 broken GNU as versions that don't accept .quad with large
4418 negative values. Use hexadecimal output instead.
4419 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4420 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4421 FUNCTION_EPILOGUE): Removed. Now in targetm.
4423 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4425 * config/s390/fixdfdi.h: Add missing copyright statement.
4426 Fix type conflicts on 64-bit. Add missing SFmode routines.
4428 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4431 2001-08-11 Richard Henderson <rth@redhat.com>
4433 * rtl.h (REG_EH_RETHROW): Remove.
4434 * rtl.c (reg_note_name): Update.
4435 * combine.c (distribute_notes): Don't check for it.
4437 2001-08-11 Richard Henderson <rth@redhat.com>
4439 * combine.c (distribute_notes): Place REG_SETJMP.
4441 2001-08-11 Richard Henderson <rth@redhat.com>
4443 * doc/extend.texi (Arrays and pointers implementation): Discourage
4444 relying on sign-extension of pointers.
4446 2001-08-11 H.J. Lu <hjl@gnu.org>
4448 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4450 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4451 RDATA_SECTION_ASM_OP.
4453 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4455 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4456 main manual to work both for info and HTML versions.
4458 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4459 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4461 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4462 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4463 (struct cpp_pool): New member first.
4464 * cppinit.c (append_include_chain): Plug memory leaks.
4465 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
4466 Allocate pragma structures from the (aligned) macro pool to
4467 avoid leaking memory.
4468 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
4469 so we don't leak memory.
4470 * hashtable.c (ht_destroy): New.
4471 * hashtable.h (ht_destroy): New.
4473 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4474 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4476 * c-lex.c (map): Make const.
4477 (cb_file_change): Update for callback passing a line map.
4478 Don't assume we have a previous map. Remove sanity check
4479 about popping too many files.
4480 * cpperror.c (print_location): Make map const.
4481 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
4482 (cpp_make_system_header): Similarly.
4483 (search_from): Similarly.
4484 (_cpp_execute_include): Don't remember where we came from.
4485 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4486 (struct cpp_reader): Make map const.
4487 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4488 * cpplib.c (do_line): Update; line maps now hold sysp.
4489 (cpp_push_buffer): Similarly.
4490 (_cpp_do_file_change): Similarly; callback with map instead.
4491 (cpp_get_line_maps): Constify return value.
4492 (_cpp_pop_buffer): Update.
4493 * cpplib.h (struct cpp_file_change): Remove.
4494 (struct cpp_callbacks): Update.
4495 (cpp_get_line_maps): Constify return value.
4496 * cppmacro.c (_cpp_create_definition): Update.
4497 * cppmain.c (struct printer): Constify map.
4498 (maybe_print_line): Similarly.
4499 (print_line): Similarly. Deduce flags 1 and 2 here.
4500 (cb_file_change): Update.
4501 * line-map.c (free_line_maps): Warn regardless.
4502 (add_line_map): Return pointer to const. When passed NULL to_file
4503 with LC_LEAVE, use the obvious values for the return point so the
4504 caller doesn't have to figure them out.
4505 (lookup_line): Return pointer to const.
4506 (print_containing_files): Take pointer to const.
4507 * line-map.h (struct line_map): New members reason, sysp.
4508 (add_line_map): Return pointer to const.
4509 (lookup_line): Similarly.
4510 (print_containing_files): Take pointer to const.
4512 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4513 Richard Henderson <rth@redhat.com>
4515 * regmove.c (regmove_optimize): Avoid setting a register twice in
4518 2001-08-10 Richard Henderson <rth@redhat.com>
4520 * doc/extend.texi (Arrays and pointers implementation): Document
4521 behavior of pointer/integer conversion.
4523 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4525 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4527 2001-08-10 Richard Henderson <rth@redhat.com>
4529 * doc/extend.texi (C Implementation): New chapter.
4530 * doc/gcc.texi (Top): Link it in.
4532 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4534 * doc/install.texi (Specific): Fix CVS merge botch.
4536 2001-08-10 Richard Henderson <rth@redhat.com>
4538 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4539 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4541 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4543 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4544 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4545 this macro is now required.
4547 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4548 loop.c (find_and_verify_loops), reload.c (reload): Check
4549 for rtx code of CALL_INSN, not CALL, when deciding if we
4550 need to check for REG_SETJMP note.
4552 * gcse.c (compute_hash_table, compute_store_table): Update
4553 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4556 * config/avr/avr.c: Fix typo.
4557 * config/convex/convex.c (expand_movstr): Use adjust_address.
4558 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4560 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4561 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4563 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4564 Do define STACK_BOUNDARY.
4565 * config/i370/i370.c: Include expr.h.
4566 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4567 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4568 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4569 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4570 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4571 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4572 * config/romp/romp.c: Include expr.h after tree.h.
4574 (output_fpop): Use xmalloc, not oballoc.
4575 * config/we32k/we32k.c: Include expr.h.
4577 2001-08-10 Kazu Hirata <kazu@hxi.com>
4579 * config/h8300/h8300.h: Fix formatting.
4581 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4583 * c-common.h (RETURN_NULLIFIED_P): Lose.
4584 * c-semantics.c (genrtl_return_stmt): Don't check it.
4586 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4588 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4589 (mips_annotate_frame_insn): New function.
4590 (mips_emit_frame_related_store): New function.
4591 (save_restore_insns): Don't mark instructions that set up the base
4592 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4593 the store instructions instead.
4594 (mips_expand_prologue): If the stack size is moved into a temporary
4595 register, do not mark that move as frame-related. Add a
4596 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4598 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4600 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4601 stack slot as unchanging if current_function_calls_eh_return.
4603 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4605 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4606 access the second half of the TFmode scratch operand.
4608 2001-08-10 Anthony Green <green@redhat.com>
4610 * java/class.c (emit_register_classes): Conditionalize code on
4613 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4615 * doc/install.texi (Specific, avr): Fix cross-reference to the
4616 main manual to work both for info and HTML versions.
4618 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4620 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4621 and "use_goto" argument.
4622 (expand_null_return, expand_value_return): Update all callers.
4623 * function.c (expand_function_end): Remove code to generate simple
4625 * config/vax/vax.md (epilogue): New expander for function return.
4626 * doc/md.texi (epilogue): Remove "if defined".
4628 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4630 * Makefile.in: Partially revert my previous change:
4631 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4632 of the hashtab.o and safe-ctype.o rules.
4634 2001-08-09 Richard Henderson <rth@redhat.com>
4636 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4637 (USE_COLLECT2): Remove duplicate definition.
4638 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4639 (use_collect2): Remove dead code.
4640 * configure.in (use_collect2): Remove will_use_collect2 and
4641 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4642 * configure: Rebuild.
4644 * target.h (targetm.asm_out.constructor): New.
4645 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4646 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4647 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4648 * varasm.c (in_ctors, in_dtors): New.
4649 (assemble_constructor, assemble_destructor): Remove.
4650 (default_stabs_asm_out_destructor): New.
4651 (default_named_section_asm_out_destructor): New.
4652 (dtors_section, default_dtor_section_asm_out_destructor): New.
4653 (default_stabs_asm_out_constructor): New.
4654 (default_named_section_asm_out_constructor): New.
4655 (ctors_section, default_ctor_section_asm_out_constructor): New.
4656 * output.h: Update declarations.
4657 * c-decl.c (c_expand_body): Use target hooks instead of
4658 assemble_constructor and assemble_destructor.
4659 * profile.c (output_func_start_profiler): Likewise.
4660 * objc/objc-act.c (finish_objc): Likewise.
4661 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4662 for the constructor.
4663 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4665 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4666 (DTORS_SECTION_ASM_OP): Likewise.
4667 (__CTOR_LIST__): Use attribute section when possible.
4668 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4670 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4671 ASM_OUTPUT_CONSTRUCTOR.
4673 * config/darwin.c (machopic_asm_out_constructor): New.
4674 (machopic_asm_out_destructor): New.
4675 * config/darwin-protos.h: Update declarations.
4676 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4677 (ASM_OUTPUT_DESTRUCTOR): Remove.
4678 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4679 * config/nextstep.c (nextstep_asm_out_constructor): New.
4680 (nextstep_asm_out_destructor): New.
4681 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4682 (ASM_OUTPUT_DESTRUCTOR): Remove.
4683 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4684 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4685 ASM_OUTPUT_*STRUCTOR.
4686 * config/i386/aix386ng.h: Likewise.
4688 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4689 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4690 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4691 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4692 * config/lynx.h: Likewise.
4693 * config/netware.h: Likewise.
4694 * config/psos.h: Likewise.
4695 * config/alpha/alpha-interix.h: Likewise.
4696 * config/alpha/elf.h: Likewise.
4697 * config/arc/arc.h: Likewise.
4698 * config/arm/aof.h: Likewise.
4699 * config/arm/coff.h: Likewise.
4700 * config/arm/elf.h: Likewise.
4701 * config/c4x/c4x.h: Likewise.
4702 * config/h8300/h8300.h: Likewise.
4703 * config/i386/cygwin.h: Likewise.
4704 * config/i386/djgpp.h: Likewise.
4705 * config/i386/i386-coff.h: Likewise.
4706 * config/i386/i386-interix.h: Likewise.
4707 * config/i386/sco5.h: Likewise.
4708 * config/i386/vsta.h: Likewise.
4709 * config/i386/win32.h: Likewise.
4710 * config/i960/i960-coff.h: Likewise.
4711 * config/ia64/sysv4.h: Likewise.
4712 * config/m68hc11/m68hc11.h: Likewise.
4713 * config/m68k/coff.h: Likewise.
4714 * config/m68k/mot3300.h: Likewise.
4715 * config/m88k/m88k.h: Likewise.
4716 * config/mcore/mcore-pe.h: Likewise.
4717 * config/mcore/mcore.h: Likewise.
4718 * config/mips/elf.h: Likewise.
4719 * config/mips/elf64.h: Likewise.
4720 * config/mips/iris6.h: Likewise.
4721 * config/pa/pa64-hpux.h: Likewise.
4722 * config/rs6000/sysv4.h: Likewise.
4723 * config/sh/sh.h: Likewise.
4724 * config/sparc/litecoff.h: Likewise.
4726 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4727 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4728 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4729 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4730 (ASM_OUTPUT_DESTRUCTOR): Remove.
4731 * config/a29k/a29k.c: Move include of tree.h.
4732 * config/a29k/udi.h: Delete file.
4733 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4734 (vms_asm_out_destructor): New.
4735 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4736 (EXTRA_SECTION_FUNCTIONS): Likewise.
4737 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4738 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4739 * config/c4x/c4x.c: Move include of tree.h.
4740 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4741 (clix_asm_out_destructor): New.
4742 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4743 (ASM_OUTPUT_DESTRUCTOR): Remove.
4744 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4745 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4746 (TARGET_ASM_CONSTRUCTOR): New.
4747 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4748 (sco_asm_out_constructor): New.
4749 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4750 * config/i386/svr3gas.h: Remove stack grows up code.
4751 Remove code duplicated from i386/sysv3.h.
4752 (TARGET_ASM_CONSTRUCTOR): New.
4753 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4754 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4755 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4756 (TARGET_ASM_CONSTRUCTOR): New.
4757 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4758 (m68hc11_asm_out_destructor): New.
4759 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4760 (TARGET_ASM_DESTRUCTOR): New.
4761 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4762 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4763 config/svr3.h pertaining to section manipulation.
4764 * config/m68k/dpx2g.h: Remove #if 0 code.
4765 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4766 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4767 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4768 (TARGET_ASM_CONSTRUCTOR): New.
4769 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4770 (m88k_svr3_asm_out_constructor): New.
4771 (m88k_svr3_asm_out_destructor): New.
4772 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4773 (ASM_OUTPUT_DESTRUCTOR): Remove.
4774 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4775 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4776 * config/rs6000/aix.h: Likewise.
4777 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4778 * config/mips/vxworks.h: Likewise.
4779 * config/rs6000/lynx.h: Likewise.
4780 * config/sh/elf.h: Likewise.
4781 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4782 (DTORS_SECTION_ASM_OP): New.
4783 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4784 (ASM_OUTPUT_DESTRUCTOR): Remove.
4785 * config/sparc/sol2-sld-64.h: Likewise.
4786 * config/vax/vax.c (vms_asm_out_constructor): New.
4787 (vms_asm_out_destructor): New.
4788 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4789 (ASM_OUTPUT_DESTRUCTOR): Remove.
4790 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4792 * doc/tm.texi (@node Initialization): Update.
4794 2001-08-09 Richard Henderson <rth@redhat.com>
4796 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4797 (__do_global_dtors_aux): Use gp-relative static data to avoid
4798 one dynamic relocation.
4799 (__do_frame_setup): Register Java classes.
4800 * config/alpha/crtend.asm (__JCR_END__): New.
4802 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4804 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4805 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4806 (GEN, STAGESTUFF): Add new files.
4807 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4808 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4809 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4810 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4811 as well as insn-codes.h and insn-flags.h in config.h; and no
4812 extra headers in tconfig.h and hconfig.h.
4814 * gencodes.c: Eliminate code to generate predicate declarations
4815 or #defines for md-file constants.
4816 * genconstants.c, genpreds.c: New files.
4818 * i386.md: Re-order guard expressions such that TARGET_64BIT
4819 comes first, when this permits better optimization. Add
4820 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4821 why this is desirable.
4823 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4825 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4826 (find_fde_for_dso): Remove.
4827 (_Unwind_IteratePhdrCallback): New.
4828 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4829 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4831 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4833 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4834 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4836 2001-08-09 Graham Stott <grahams@redhat.com>
4838 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4839 (vis_no_unit): Use it.
4840 (visualize_no_unit): Add the insn only if room exists.
4842 2001-08-09 Graham Stott <grahams@redhat.com>
4844 * predict.c (estimate_probability): Replace magic numbers with
4845 appropriate enumeration.
4847 2001-08-09 Graham Stott <grahams@redhat.com>
4849 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4851 (EXTRACT_FLAGS): Likewise.
4853 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4855 * config/mips/mips.c (mips_legitimate_address_p): Check for
4856 CONST_INT in last patch.
4858 2001-08-08 Anthony Green <green@redhat.com>
4860 * java/class.c (emit_register_classes): Use assemble_jcr if
4861 possible. Keep the original mechanism as a fallback.
4862 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4863 and weak symbol support.
4864 * crtstuff.c (__JCR_LIST__): Define.
4865 (__JCR_END__): Define.
4866 (_Jv_RegiserClasses): Define weak symbol if possible.
4867 (__do_global_ctors_aux): Register classes for ELF targets with
4868 weak symbol support.
4870 2001-08-08 Kazu Hirata <kazu@hxi.com>
4872 * dbxout.c: Fix comment formatting.
4873 * dependence.c: Likewise.
4875 * diagnostic.c: Likewise.
4876 * dominance.c: Likewise.
4877 * doprint.c: Likewise.
4878 * dwarf2out.c: Likewise.
4879 * dwarfout.c: Likewise.
4880 * emit-rtl.c: Likewise.
4881 * except.c: Likewise.
4882 * explow.c: Likewise.
4883 * expmed.c: Likewise.
4886 * fold-const.c: Likewise.
4887 * function.c: Likewise.
4889 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4891 * global.c (retry_global_alloc): Avoid shadowing allocno.
4893 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4895 * except.c (remove_fixup_regions): Fix typo.
4897 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4899 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4900 unsigned HOST_WIDE_INT to avoid warning.
4901 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4902 * flow.c (set_block_for_new_insns): Likewise.
4904 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4906 * sibcall.c (return_value_pseudo): New static variable.
4907 (skip_copy_to_return_value): Handle return_value_pseudo.
4908 (call_ends_block_p): Ensure that return_value_pseudo is set.
4909 (optimize_sibling_and_tail_recursive_call): Discover the
4910 load of pseudo return value in alternate exit block.
4912 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4914 * calls.c (ECF_ALWAYS_RETURN): New constant.
4915 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4916 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4917 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4918 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4919 * rtl.c (reg_note_name): New name.
4920 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4922 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4924 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4926 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4928 * alias.c (get_alias_set): Return a previously calculated
4929 alias set for a VAR_DECL.
4930 * function.c (gen_mem_addressof): Calculate the alias set before
4933 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4935 * predict.def: Set hitrates according our experimental run.
4937 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4939 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4941 2001-08-08 H.J. Lu <hjl@gnu.org>
4943 * config/mips/mips.c (mips_unique_section): New. Copied from
4946 * config/mips/mips-protos.h (mips_unique_section): New
4949 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4951 * config/mips/little.h: New. Generic little endian mips
4952 targets. Only mips*-*-linux* is converted to use it so far.
4954 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4955 (WCHAR_TYPE): Defined
4956 (WCHAR_TYPE_SIZE): Likewise.
4957 (INIT_SUBTARGET_OPTABS): Likewise.
4958 (BSS_SECTION_ASM_OP): Likewise.
4959 (SBSS_SECTION_ASM_OP): Likewise.
4960 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4961 (ASM_DECLARE_OBJECT_NAME): Likewise.
4962 (UNIQUE_SECTION): Likewise.
4963 (EXTRA_SECTIONS): Likewise.
4964 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4965 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4966 (ASM_OUTPUT_DEF): Likewise.
4967 (HANDLE_SYSV_PRAGMA): Removed.
4968 (NO_IMPLICIT_EXTERN_C): Likewise.
4969 (TARGET_MEM_FUNCTIONS): Likewise.
4970 (STARTFILE_SPEC): Likewise.
4971 (ENDFILE_SPEC): Likewise.
4972 (LIB_SPEC): Likewise.
4973 (INVOKE__main): Likewise.
4974 (CTOR_LIST_BEGIN): Likewise.
4975 (CTOR_LIST_END): Likewise.
4976 (DTOR_LIST_BEGIN): Likewise.
4977 (DTOR_LIST_END): Likewise.
4978 (SET_ASM_OP): Likewise.
4979 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4980 (ASM_OUTPUT_DEF): Likewise.
4981 (ASM_OUTPUT_IDENT): Likewise.
4983 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4984 (CPLUSPLUS_CPP_SPEC): Likewise.
4985 (ASM_APP_ON) Redefine only if not defined.
4986 (ASM_APP_OFF): Likewise.
4987 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4988 (ASM_OUTPUT_IDENT): Likewise.
4990 * config.gcc: Update tm_file for Linux/mips.
4992 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4994 * cselib.c (cselib_record_sets): If insn is predicated, turn
4995 sources into IF_THEN_ELSEs.
4997 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4998 Turn into define_insn_and_split.
5000 * sched-deps.c: Include "cselib.h".
5001 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
5002 Use cselib to turn memory addresses into VALUEs.
5003 (sched_analyze): Call cselib_init/cselib_finish if necessary.
5004 * sched-int.h (struct sched_info): New member USE_CSELIB.
5005 * sched-ebb.c (ebb_sched_info): Initialize it.
5006 * sched-rgn.c (rgn_sched_info): Likewise.
5007 * Makefile.in (sched-deps.o): Update dependencies.
5009 * cselib.h (cselib_subst_to_values): Declare.
5010 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
5011 that have no value and autoincs to be handled by generating a new
5014 2001-08-08 Graham Stott <grahams@redhat.com>
5016 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
5017 within fixed length SEQUENCE.
5019 2001-08-08 Graham Stott <grahams@redhat.com>
5021 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
5022 (diagnostic_prefixing_rule): Likewise.
5023 (diagnostic_line_cutoff): Likewise.
5024 (diagnostic_kind_count): Likewise.
5026 2001-08-08 Graham Stott <grahams@redhat.com>
5028 * alias.c (find_base_decl): Delete redundent assignment.
5030 2001-08-08 Graham Stott <grahams@redhat.com>
5032 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
5033 (abs): Uppercase and paranthesize macro parameter.
5034 (MEM_DEPENDENCY): Add whitespace.
5036 2001-08-08 Graham Stott <grahams@redhat.com>
5038 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
5039 failure check for CONST_INT
5041 2001-08-08 Graham Stott <grahams@redhat.com>
5043 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
5044 (libcall_dead_p): Likewise.
5046 (mark_used_regs): Constify fmt.
5047 (find_use_as_address): Likewise.
5049 2001-08-08 Graham Stott <grahams@redhat.com>
5051 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
5054 2001-08-08 Graham Stott <grahams@redhat.com>
5056 * combine.c (combine_simplify_rtx): Update comment and
5057 remove erroneous test.
5059 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5061 * cppinit.c (cpp_finish): Pop the final buffer without comment.
5062 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
5063 take care to avoid multiple no-newline at EOF warnings in that
5066 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
5068 * calls.c (expand_call): Do not emit INSN_SETJMP note.
5069 (emit_library_call_value_1): Likewise.
5070 (emit_call_1): Emit REG_SETJMP note.
5071 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
5073 * cselib.c (cselib_process_insn): Likewise.
5074 * flow.c (propagate_block): Likewise.
5075 * loop.c (find_and_verify_loops): Likewise.
5076 * reload.c (find_equiv_regs): Likewise.
5077 * reload1.c (reload): Likewise.
5078 * resource.c (mark_referenced_resources,
5079 mark_set_resources): Likewise.
5080 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
5081 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
5082 * haifa-sched.c (unlink_other_notes): Likewise.
5083 (reemit_notes): Likewise.
5084 * sched-ebb.c (sched_ebb): Likewise.
5085 * sched-rgc.c (sched_region): Likewise.
5086 * rtl.c (note_insn_name): Likewise.
5087 (reg_note_name): Add REG_SETJMP
5088 * rtl.h (reg_note): Add REG_SETJMP.
5089 (insn_note): Remove NOTE_INSN_SETJMP.
5091 * profile.c (branch_prob): Add fake edges for setjmp.
5093 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
5095 * config.gcc: Quote target_cpu_default2 correctly for
5096 powerpc*-*-* targets.
5098 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5100 * cpplib.h, line-map.h: Update comments.
5101 * cppmain.c (printer_init): Move inline.
5102 (maybe_print_line, print_line): Take a map pointer.
5103 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
5104 (cb_file_change): Don't use prior value of print.map.
5106 2001-08-07 David Edelsohn <edelsohn@gnu.org>
5108 * doc/install.texi: Document fine-grained multilib configuration.
5110 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5112 * rtlanal.c (find_first_parameter_load): Call note_stores
5113 only on the instructions.
5115 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5117 * alias.c (nonlocal_mentioned_p):
5118 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
5119 * calls.c (emit_call_1): Likewise.
5120 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
5121 * cselib.c (cselib_process_insn): Likewise.
5122 * df.c (df_insns_modify): Likewise.
5123 * flow.c (need_fake_edge_p): Likewise.
5124 (propagate_one_insn): Likewise.
5125 * haifa-sched.c (reemit_notes): Likewise.
5126 * integrate.c (copy_insn_list): Likewise.
5127 * jump.c (delete_prior_computation): Likewise.
5128 * local-alloc.c (validate_equiv_mem): Likewise.
5129 * loop.c (scan_loop): Likewise.
5130 * predict.c (estimate_probability): Likewise.
5131 * reload.c (reload): Likewise.
5132 * sched-deps (sched_analyze): Likewise.
5133 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
5134 * gcse.c (compute_hash_table): Likewise.
5135 (mark_call): Likewise.
5136 (store_killed_in_insn): Likewise.
5138 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
5140 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
5142 2001-08-06 Richard Henderson <rth@redhat.com>
5144 * varasm.c (assemble_gc_entry): Remove.
5145 * output.h: Likewise.
5147 2001-08-06 Richard Henderson <rth@redhat.com>
5149 * varasm.c (assemble_constructor): Take a symbol_ref and a
5150 priority instead of a bare string. Move priority handling
5151 here from cp/decl2.c.
5152 * output.h: Update decls.
5154 * c-decl.c (c_expand_body): Update calls to assemble_constructor
5155 and assemble_destructor.
5156 * profile.c (output_func_start_profiler): Likewise.
5157 * objc/objc-act.c (finish_objc): Likewise.
5158 (build_module_descriptor): Return the symbol not the symbol name.
5160 2001-08-06 David Edelsohn <edelsohn@gnu.org>
5162 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
5163 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
5164 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
5165 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
5166 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
5167 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
5169 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5171 * cpperror.c (print_containing_files): Moved to line-map.c.
5172 (print_location): line-map.c handles re-listing or otherwise.
5173 * cpphash.h (struct lexer_state): Remove next_bol.
5174 (struct cpp_buffer): Remove include_stack_listed.
5175 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
5176 Remove faked buffer handling.
5177 (_cpp_do_file_change): Tweak.
5178 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
5179 * cppmain.c (struct printer): Remove filename.
5180 (print_line, cb_file_change): Update accordingly.
5181 * line-map.c: Include intl.h.
5182 (init_line_maps): Initialize last_listed.
5183 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
5184 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
5185 (print_containing_files): New.
5186 * line-map.h (struct line_maps): New member last_listed.
5187 (print_containing_files, INCLUDED_FROM): New.
5188 * Makefile.in: Update.
5189 * po/POTFILES.in: Add line-map.c.
5191 2001-08-06 Richard Henderson <rth@redhat.com>
5193 * except.c (convert_from_eh_region_ranges_1): Never mark
5194 USE or CLOBBER insns as throwing.
5196 * expr.c (store_constructor): Don't clobber memory targets.
5198 2001-08-06 Andreas Jaeger <aj@suse.de>
5200 * profile.c (branch_prob): Remove unused variable insn.
5202 * Makefile.in (local-alloc.o): Add dependency on except.h.
5204 * local-alloc.c: Include except.h for can_throw_internal prototype.
5206 2001-08-06 Richard Henderson <rth@redhat.com>
5208 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5209 * function.c (expand_main_function): Implement it.
5210 * doc/tm.texi: Document it.
5212 2001-08-06 Stan Shebs <shebs@apple.com>
5214 * doc/install.texi: Document powerpc-*-darwin* details.
5216 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
5218 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
5219 (ASM_CPU_SPEC): Move back to rs6000.h
5220 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
5222 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
5224 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
5227 * config/rs6000/linux64.h: Ditto.
5229 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5230 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
5233 Remove accidently readded definitions of FUNCTION_PROLOGUE,
5234 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
5236 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5239 2001-08-05 Richard Henderson <rth@redhat.com>
5241 * local-alloc.c (update_equiv_regs): Do not move insns that
5244 2001-08-05 Jan Hubicka <jh@suse.cz>
5246 * Makefile.in (reload1.o): Add dedendancy on except.h
5247 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
5249 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
5250 indicating wehther edges has been cleaned up.
5251 * reload1.c: Inlucde except.h
5252 (fixup_abnormal_edges): Accept deleted insns.
5253 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
5256 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5258 * cpplib.c (do_line): Correct line number after pop_buffer.
5260 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5262 PR preprocessor/3824
5263 * line-map.c: Update comments.
5264 * line-map.h: Update comments.
5265 * tradcif.y: Don't consider large numbers unsigned.
5267 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5269 PR preprocessor/3081
5270 * c-lex.c (map): New.
5271 (cb_file_change): Update map and use it.
5272 (cb_def_pragma, cb_define, cb_undef): Use map and line.
5273 (c_lex): Update to use map.
5274 * cpperror.c (print_location): Move to using logical line numbers.
5275 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
5276 (cpp_make_system_header): Similarly.
5277 (_cpp_execute_include): Stop line numbering hacks. Store the
5278 line we will return to.
5279 * cpphash.h (CPP_BUF_LINE): Remove.
5280 (struct cpp_buffer): Remove lineno and pseudo_newlines.
5281 Add map and return_to_line.
5282 (_cpp_do_file_change): Update.
5283 * cppinit.c (cpp_start_read): Update line kludge.
5284 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
5285 (trigraph_ok): Use logical line numbers for diagnostics.
5286 (skip_block_comment): Likewise.
5287 (skip_whitespace): Likewise.
5288 (skip_line_comment): Use pfile->line instead.
5289 (_cpp_lex_token): Update to use logical line numbering exclusively.
5290 Handle BOL locally. Accept new lines in directives, but keep
5291 pfile->line decremented. Diagnostics use logical lines. Update
5293 * cpplib.c (SEEN_EOL): New.
5294 (skip_rest_of_line, check_eol): Use it.
5295 (end_directive): Increase line number when accepting the newline
5296 at the end of a directive.
5297 (run_directive): Simplify.
5298 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
5299 (_cpp_do_file_change): Update to take buffer line number as an
5300 argument, and store the current map in the cpp_reader. Remove
5301 line number kludges.
5302 (_cpp_do__Pragma): Restore output position after a _Pragma.
5303 (cpp_push_buffer): Don't set output line or lineno.
5304 (_cpp_pop_buffer): Transfer more info from a faked buffer.
5305 Remove line kludge. Set output_line.
5306 * cppmacro.c (builtin_macro): Update handling of __LINE__.
5307 (parse_arg): Use logical lines.
5308 (save_lookahead_token): Save EOFs too now.
5309 * cppmain.c (struct printer): Fix comments.
5310 (printer_init): Simplify, let caller do errors.
5311 (scan_translation_unit, check_multiline_token, dump_macro): Update.
5312 (maybe_print_line): Simplify.
5313 (print_line): Don't print a linemarker if -P.
5314 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
5315 (cb_file_change): Simplify.
5316 * line-map.h (LAST_SOURCE_LINE): Fix.
5317 (CURRENT_LINE_MAP): New.
5319 2001-08-05 Bernd Schmidt <bernds@redhat.com>
5321 * doloop.c (doloop_modify_runtime): Properly compute number of
5322 iterations if loop was unrolled.
5324 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
5325 if their CSELIB_VAL_PTRs are.
5327 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
5328 (setup_spill_pointers): Initialize it.
5329 (spill_restore_mem): Set it.
5330 (do_spill, do_restore): Use it to add REG_INC note.
5331 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
5333 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
5334 asms if other insns are available.
5336 * config/ia64/ia64.c (condop_operator): New predicate.
5337 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
5338 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
5341 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
5342 temporary register than directly using a MEM.
5344 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5346 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
5347 parameter in last change.
5349 2001-08-04 Zack Weinberg <zackw@panix.com>
5351 * sparc.md: Don't use #if inside C test expression.
5353 2001-08-04 Richard Henderson <rth@redhat.com>
5355 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
5357 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
5359 * cpphash.h (struct cpp_reader): New member directive_line.
5360 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
5361 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
5362 do_pragma): Pass line to callbacks.
5363 (start_directive): Record line of directive.
5364 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
5365 cb_include): Similarly.
5366 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
5369 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5371 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
5374 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5376 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
5378 * reload1.c (fixup_abnormal_edges): New static function.
5381 * flow.c (need_fake_edge_p): New function.
5382 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
5383 avoid call insn to be very last insn in the insn stream.
5385 * profile.c (branch_prob): Call flow_call_edges_add instead of
5386 doing that by hand; cleanup cfg to re-merge basic blocks once
5389 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5391 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
5392 are also on line-map.h.
5393 * cppfiles.c (stack_include_file): Update.
5394 * cpphash.h (struct cpp_buffer): New member return_at_eof.
5395 (_cpp_pop_buffer): New.
5396 * cppinit.c (cpp_destroy, cpp_finish): Update.
5397 (do_includes): Mark each buffer to return at EOF.
5398 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
5399 return as requested.
5400 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
5401 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
5402 * cpplib.h (cpp_pop_buffer): Remove.
5403 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
5404 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
5406 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
5408 (do_preprocessing): Update.
5409 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5410 * c-parse.in (_yylex): Similarly.
5411 * scan-decls.c (scan_decls): Similarly.
5412 * line-map.h: Update comments.
5414 * objc/Make-lang.in (objc-act.o): Update dependencies.
5416 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5418 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
5419 and soft register for operand 0.
5420 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5422 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5424 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5425 register for operand 0.
5426 ("bitcmpqi_z_used"): Allow memory for operand 0.
5427 (split "bitcmpqi"): New split to handle address reg as operand 1.
5429 2001-08-04 Andreas Jaeger <aj@suse.de>
5431 * gcse.c: Revert Daniel's last patch.
5433 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5435 * sparc-protos.h: Add prototypes for fp_zero_operand and
5437 * sh-protos.h: Add prototype for fpul_operand.
5439 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5441 * doc/extend.texi (Other Builtins): Fix typo in last change.
5443 2001-08-03 Richard Henderson <rth@redhat.com>
5445 * target.h (gcc_target): Add asm_out.named_section,
5446 section_type_flags, have_named_sections.
5447 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5448 (TARGET_HAVE_NAMED_SECTIONS): New.
5449 (TARGET_SECTION_TYPE_FLAGS): New.
5451 * Makefile.in (toplev.o): Depend on TARGET_H.
5452 (varasm.o, dbxout.o): Likewise.
5453 * c-common.c (decl_attributes): Check targetm.have_named_sections
5454 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5455 * dbxout.c (dbxout_function_decl): Likewise.
5456 (dbxout_function_end): Likewise.
5457 * toplev.c (compile_file): Likewise.
5458 * varasm.c (exception_section): Likewise.
5459 * cp/decl2.c (finish_objects): Likewise.
5461 * defaults.h (EH_FRAME_SECTION): Remove.
5462 (EH_FRAME_SECTION_ASM_OP): Remove.
5463 (EH_FRAME_SECTION_NAME): New.
5464 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
5465 (UNIQUE_SECTION_P): Remove.
5466 * dwarf2out.c (SECTION_FORMAT): Remove.
5467 (ASM_OUTPUT_SECTION): Remove.
5468 (output_call_frame_info): Use named_section_flags.
5469 (output_comp_unit, dwarf2out_start_source_file): Likewise.
5470 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
5471 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
5472 * varasm.c (in_eh_frame, eh_frame_section): Remove.
5473 (named_section_flags): New.
5474 (named_section): Use it and targetm.section_type_flags.
5475 (resolve_unique_section): New.
5476 (assemble_start_function): Use it.
5477 (asm_emit_uninitialised, assemble_variable): Likewise.
5478 (default_section_type_flags): New.
5479 (default_no_named_section, default_elf_asm_named_section): New.
5480 (default_coff_asm_named_section, default_pe_asm_named_section): New.
5481 * output.h: Update varasm.c decls.
5482 (SECTION_*): New flags.
5484 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5485 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5487 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5488 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5489 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5490 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5491 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
5492 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
5493 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5494 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5495 * config/pa/pa64-hpux.h,
5497 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5498 (TARGET_ASM_NAMED_SECTION): New.
5499 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5500 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5501 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5502 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5503 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5504 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5505 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5506 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5507 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5508 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5509 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5510 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5511 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5512 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5513 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5514 * config/sparc/sysv4.h: Likewise.
5516 * config/nextstep.h: Error until named sections implemented.
5518 * config/a29k/a29k.c (a29k_asm_named_section): New.
5519 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5520 (vms_section_type_flags, vms_asm_named_section): New.
5521 * config/arm/arm.c (arm_elf_asm_named_section): New.
5522 * config/avr/avr.c (asm_output_section_name): Remove.
5523 * config/avr/avr-protos.h: Update.
5524 * config/c4x/c4x.c (c4x_asm_named_section): New.
5525 * config/h8300/h8300.c (h8300_asm_named_section): New.
5526 * config/i386/i386.c (sco_asm_named_section): New.
5527 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5528 (i386_pe_section_type_flags): New.
5529 (i386_pe_asm_named_section): New.
5530 * config/i386/i386-protos.h: Update.
5531 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5532 * config/mcore/mcore.c (mcore_asm_named_section): New.
5533 * config/mips/mips.c (iris6_asm_named_section): New.
5534 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5535 instead of UNIQUE_SECTION_P.
5536 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5537 (xcoff_asm_named_section): New.
5538 * config/sh/sh.c (sh_asm_named_section): New.
5539 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5541 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5542 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5543 (EH_FRAME_SECTION_NAME): New.
5544 (EXCEPTION_SECTION): New.
5545 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5546 (DEBUG_*_SECTION): Remove.
5547 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5548 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5549 (EH_FRAME_SECTION_ASM_OP): Remove.
5551 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5552 (ASM_OUTPUT_SECTION_NAME): Remove.
5553 (TARGET_ASM_NAMED_SECTION): New.
5554 (TARGET_HAVE_NAMED_SECTIONS): New.
5555 (TARGET_SECTION_TYPE_FLAGS): New.
5556 (EH_FRAME_SECTION_ASM_OP): Remove.
5557 (EH_FRAME_SECTION_NAME): New.
5559 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5561 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5562 for complex expressions when cfun == 0.
5563 * doc/extend.texi: Document that __builtin_constant_p can be
5564 used in data initializers as well as functions.
5566 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5568 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5569 variable I locally, instead of expecting a declaration in the
5572 2001-08-03 Richard Henderson <rth@redhat.com>
5574 * except.c (collect_one_action_chain): Add an explicit cleanup
5575 action if regions surrounding a catch were encoded entirely
5576 within the call-site entry.
5578 2001-08-03 Richard Henderson <rth@redhat.com>
5580 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5581 don't take REGNO of a non-register.
5583 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5585 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5586 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5587 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5588 (__gthread_mutex_init_function): New function for mutex initialization.
5590 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5592 * Makefile.in: Revert screwed up commit.
5594 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5596 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5597 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5598 merged by linker script to get a final _exit().
5599 (__do_global_dtors): New for destructor handling in specific exit
5601 (__do_global_ctors): New for constructors in specific install section.
5602 (__map_data_section): Map data sections before running constructors.
5603 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5604 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5605 (DTORS_SECTION_ASM_OP): Likewise.
5606 (CTORS_SECTION_FUNCTION): Define to force a reference to
5608 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5610 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5612 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5614 * Makefile.in: Add df.h to gcse.c dependencies.
5616 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5618 * varasm.c (output_constant_def_contents): Use for the length of a
5619 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5620 depending on which is larger.
5622 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5624 * gcse.c: Include df.h for use as a dataflow analyzer.
5626 Declaration of reg_set_info: gone.
5627 New df_analyzer variable used by store motion.
5628 (reg_set_info): Deleted.
5629 (mark_mem_regs): New function, analyze regs used by a mem.
5630 (store_ops_ok): Use dataflow analyzer results to determine if
5631 necessary regs are changed in the block.
5632 (find_moveable_store): Remove check for symbol ref, we can handle
5633 much more complex expressions now.
5634 (compute_store_table): Remove most of the code, it's unnecessary
5635 now that the dataflow analyzer records the info for us.
5636 (store_killed_after): Add parameter to say whether to do the
5637 store_ops_okay test, used to speed up testing when we already know
5638 the answer, and just want to know if the store itself was killed.
5639 (build_store_vector): Largely rewritten to calculate the various
5640 vectors properly, and somewhat optimized.
5641 (store_motion): Init the df_analyzer, get REG_DEF chains.
5642 Also handle trapping expressions (since mems almost always trap)
5643 (simple_mem): Redefine what a simple mem is.
5645 2001-08-03 DJ Delorie <dj@redhat.com>
5647 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5648 set from a constant part of the condition.
5650 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5652 * mkdeps.c (deps_add_default_target): Make local variable
5653 ``start'' a const char pointer.
5654 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5656 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5658 * doc/install.texi (Configuration): Fix markup.
5659 (Specific, i?86-*-udk): Likewise.
5660 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5662 Document --enable-threads and --enable-libgcj status.
5663 (Specific, mips-sgi-irix*): Canonicalize triples.
5664 (Specific, mips-sgi-irix5): Warn about problems with this config.
5665 Mention required GNU as patch.
5666 Native assembler problems are fixed.
5667 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5668 Document --enable-threads and --enable-libgcj status.
5670 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5672 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5675 2001-08-03 Richard Henderson <rth@redhat.com>
5677 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5680 2001-08-03 Richard Henderson <rth@redhat.com>
5682 * rtlanal.c (find_first_parameter_load): Stop if we
5683 reach a CODE_LABEL at BOUNDARY.
5685 2001-08-03 Richard Henderson <rth@redhat.com>
5687 * config/alpha/alpha.md (force_movdi): New insn.
5688 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5689 Tweek FRP marking of VMS prologue insns.
5690 * config/alpha/vms.h (EPILOGUE_USES): New.
5692 2001-08-02 Richard Henderson <rth@redhat.com>
5694 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5696 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5698 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5699 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5700 config/convex/convex.h, config/d30v/d30v.c,
5701 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5702 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5703 config/mips/mips.h, config/mn10200/mn10200.h,
5704 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5705 config/v850/v850.h, config/vax/openbsd.h,
5706 config/vax/openbsd1.h, config/vax/ultrix.h,
5707 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5708 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5709 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5710 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5711 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5712 in comments and documentation.
5714 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5718 * Makefile.in (line-map.o): New.
5719 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5720 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5721 * cpperror.c (print_containing_files): Similarly.
5722 (print_location): Update. Don't output a space before _Pragma.
5723 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5724 (stack_include_filee, cpp_make_system_header): Update.
5725 (_cpp_execute_include): Get logical line number right for calling
5726 as-yet-unterminated #include.
5727 * cpphash.h (struct cpp_reader): Add line_maps.
5728 (_cpp_do_file_change): Update.
5729 * cppinit.c (cpp_create_reader): Initialize line maps.
5730 (cpp_destroy): Destroy line maps.
5731 (cpp_start_read): Get logical line number right.
5732 * cpplex.c (parse_string): Only warn once for multi-line strings.
5733 Use boolean variable for null warning.
5734 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5736 (do_include_common): End the directive early.
5737 (do_line): Don't warn about out-of-range lines in preprocessed
5738 source. Update. Remove unused variables.
5739 (_cpp_do_file_change): Update for new line mapping.
5740 (pragma_cb): New typedef.
5741 (cpp_register_pragma): Stop looking ahead before calling the
5743 (do_pragma_system_header): End directive early.
5744 (cpp_get_line_maps): New.
5745 (cpp_pop_buffer): Fudge logical line. Update.
5746 * cpplib.h: Include line-map.h
5747 (enum cpp_fc_reason): Remove.
5748 (struct cpp_file_change): Update.
5749 (cpp_get_line_maps): New.
5750 * cppmain.c (struct_printer): New member map.
5751 (cb_file_change): Update for new mappings.
5752 * fix-header.c (cb_file_change): Similarly.
5754 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5756 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5757 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5759 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5761 * config/vax/vax.c: include expr.h.
5763 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5765 * Makefile.in ($(srcdir)/configure): Only rebuild in
5767 ($(srcdir)/config.in): Only define in maintainer mode.
5768 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5770 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5772 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5774 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5776 * gcc.c (set_collect_gcc_options): New function, split out from
5778 Ignore elided switches.
5779 (do_spec_1): Invoke before executing command.
5780 (set_input): Export.
5781 Move declaration ...
5782 * gcc.h (set_input): ... here.
5783 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5786 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5789 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5791 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5793 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5795 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5796 for the unnamed instructions it expands to.
5798 2001-08-02 Richard Henderson <rth@redhat.com>
5800 * regclass.c (call_really_used_regs): Conditionally define.
5801 (init_reg_sets_1): Don't use it if not defined.
5802 (fix_register): Similarly, don't set it.
5804 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5806 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5807 Correct comment that had been missed in the previous change.
5809 2001-08-01 Stan Shebs <shebs@apple.com>
5811 * config/darwin.c (machopic_stub_name): Try matching by name.
5812 (update_stubs): New function.
5813 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5816 2001-08-01 Richard Henderson <rth@redhat.com>
5818 * except.c (output_function_exception_table): Use assemble_align.
5819 * varasm.c (assemble_eh_label): Remove.
5820 (assemble_eh_align, assemble_eh_integer): Remove.
5822 2001-08-01 Robert Lipe <robertl@caldera.com>
5824 * dwarfout.c: Remove reference to README.DWARF.
5826 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5828 * regclass.c (call_really_used_regs): New array for registers which
5829 are actually used by a call.
5830 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5832 (fix_register): Set call_really_used too.
5833 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5834 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5836 2001-08-01 Richard Henderson <rth@redhat.com>
5838 * read-rtl.c (read_name): Consider \r whitespace.
5840 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5842 * config.gcc: Recognize powerpc-*-netbsd*.
5844 * doc/install.texi (Host/target specific installation notes for
5845 GCC): Mention powerpc-*-netbsd*.
5847 * config/rs6000/netbsd.h: New file.
5848 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5849 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5850 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5851 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5852 (TARGET_VERSION): Redefine.
5854 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5855 mcall-netbsd as a match for mcall-sysv.
5856 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5857 (ncrti.S, ncrtn.S): New targets.
5858 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5860 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5861 "netbsd' as a V4 ABI.
5862 (ASM_SPEC): Check for -mcall-netbsd.
5863 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5864 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5865 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5866 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5867 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5868 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5869 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5871 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5872 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5874 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5876 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5877 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5878 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5879 including "unwind-pe.h".
5881 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5883 * rs6000.md (define_splits): Kill unused constraints.
5885 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5886 Jan Hubicka <jh@suse.cz>
5888 * function.c (thread_prologue_and_epilogue_insns): Kill code
5889 dealing with non-existent CFG.
5891 2001-08-01 Kazu Hirata <kazu@hxi.com>
5893 * alias.c: Fix comment formatting.
5894 * bitmap.c: Likewise.
5895 * builtins.c: Likewise.
5896 * calls.c: Likewise.
5897 * c-common.c: Likewise.
5898 * c-decl.c: Likewise.
5899 * c-dump.c: Likewise.
5900 * c-lex.c: Likewise.
5901 * collect2.c: Likewise.
5902 * combine.c: Likewise.
5903 * conflict.c: Likewise.
5904 * cppfiles.c: Likewise.
5905 * cppinit.c: Likewise.
5906 * cpplex.c: Likewise.
5907 * cpplib.c: Likewise.
5908 * cppmacro.c: Likewise.
5909 * cppspec.c: Likewise.
5910 * c-pragma.c: Likewise.
5911 * crtstuff.c: Likewise.
5913 * cselib.c: Likewise.
5914 * c-semantics.c: Likewise.
5915 * c-typeck.c: Likewise.
5917 2001-08-01 H.J. Lu <hjl@gnu.org>
5919 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5921 2001-08-01 H.J. Lu <hjl@gnu.org>
5923 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5925 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5927 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5928 contextualizing Objective-C class name lookup by the lexer.
5929 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5931 (protocoldef): Add support for forward @protocol declarations.
5932 (yylexname): Suppress ObjC class name lookup in certain contexts;
5933 re-enable after lookup is complete.
5934 (_yylex): Re-enable ObjC class name lookup when certain
5935 punctuation marks are seen.
5937 * objc/objc-act.c (check_protocol_recursively): New function used
5938 for finding circular dependencies in protocols.
5939 (objc_declare_protocols): New function for handling forward
5940 @protocol declarations.
5941 (receiver_is_class_object): Detect the case when 'self' is used
5942 inside of a class method.
5943 (build_message_expr): Issue a warning if class method is desired
5944 but instance method is found instead.
5945 (conforms_to_protocol): Streamline.
5946 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5947 protocol Foo, even if 'Bar foo' does not.
5948 (check_protocols): Streamline.
5949 (start_protocol): Add checks for circular and duplicate protocol
5951 (encode_aggregate_within): For typedefs of structs, encode the
5953 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5954 (objc_declare_protocols): New prototype.
5956 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5958 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5959 * cpplex.c (handle_newline): Update prototype. Maintain logical
5961 (skip_escaped_newlines, skip_block_comment, parse_string):
5963 (_cpp_lex_token): Update, and store token position within the token.
5964 * cpplib.h (struct cpp_token): Add line and column entries.
5965 * cppmacro.c (replace_args): Position stringified tokens correctly.
5967 2001-08-01 Andreas Jaeger <aj@suse.de>
5969 * basic-block.h: Add prototype for last_loop_beg_note.
5971 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5973 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5974 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5976 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5977 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5978 expand_decl_cleanup.
5979 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5981 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5982 operand while calling simple_cst_equal.
5983 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5984 operand is the cleanup expression, the third is the RTL_EXPR.
5985 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5987 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5989 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5991 2001-07-31 matthew green <mrg@eterna.com.au>
5993 * config.gcc (i386-*-netbsdelf): New description.
5994 * config/i386/netbsd-elf.h: New file.
5996 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5998 * loop.c (check_dbra_loop): Use single_set to compute
6001 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
6003 PowerPC reorg and support for powerpc64-*-linux*.
6005 Also fixes emitting of constants on 32 bit and 64 bit
6008 * config.gcc: powerpc64-*-linux* is a new target.
6009 Things that needed aix.h now also include xcoff.h
6011 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
6013 Move AIX specific stuff into aix.h.
6014 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
6015 with more than just XCOFF now.
6016 (SET_ASM_OP): Remove, now defined where needed.
6017 (FUNCTION_PROLOGUE): New macro definition.
6018 (FUNCTION_EPILOGUE): New macro definition.
6019 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
6021 * config/rs6000/xcoff.h: New file.
6023 * config/rs6000/linux64.h: New file.
6025 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
6027 2001-07-31 Alan Modra <amodra@bigpond.net.au>
6029 * rs6000.c (print_operand_address): Handle ELF syntax.
6030 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
6031 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
6032 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
6034 2001-07-31 David Edelsohn <edelsohn@gnu.org>
6036 * rs6000.c (rs6000_override_options): Only disable
6037 flag_function_sections for XCOFF.
6038 (exact_log2_cint_operand): New predicate.
6039 (reg_or_{add,sub}_cint64_operand): New predicates.
6040 (add_operand): Compare CONST_INT with fewer function calls.
6041 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
6042 (print_operand, case 'p'): Ensure positive operand.
6043 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
6044 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
6045 (PREDICATE_CODES): Add new predicates.
6046 * rs6000.md (addsi3): Split 32-bit constants more correctly.
6047 (divsi3, modsi3): Ensure positive power-of-2.
6048 (adddi3): Use new predicate. Split 32-bit constants more
6049 correctly. Re-arrange splitter to handle any constant.
6050 (subdi3): Use new predicate.
6051 (divdi3, moddi3): Ensure positive power-of-2.
6052 (movdi): Use rs6000_emit_set_const.
6053 (load_toc_v4_pic_di): Delete.
6055 2001-07-31 Graham Stott <grahams@redhat.com>
6057 * function.c (pad_below): Revert 2001-07-26 patch.
6059 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6061 * reg-stack (convert_regs_1): Fix best edge condition.
6063 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6065 * jump.c (duplicate_loop_exit_test): Better test for jumps
6066 entering the loop; create loop pre_header.
6068 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
6070 * doc/install.texi: Add s390 and s390x as new targets.
6071 * doc/invoke.texi: Add documantation of S/390 and zSeries
6073 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
6075 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6077 * config/m68k/m68k.md: Replace all general_operand with
6078 nonimmediate_operand for all destinations.
6079 * config/m68k/m68k.c (not_sp_operand): Likewise.
6081 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
6083 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
6085 2001-07-30 Richard Henderson <rth@redhat.com>
6087 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
6088 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
6090 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6092 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
6093 Add missing doc strings
6094 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
6095 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
6097 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6099 * i386.c (ix86_output_main_function_alignment_hack): New function.
6100 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
6102 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
6103 edges by EDGE_DFS_BACK flag.
6104 (dump_edge_info): Add dfs_back flag.
6105 * basic-block.h (EDGE_DFS_BACK): New constant.
6106 (mark_dfs_back_edges): Declare.
6107 * alias.c (loop_p): Remove.
6108 (mark_constant_function): Use mark_dfs_back_edges.
6110 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
6111 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
6112 (compensate_edge): Break out from ...
6113 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
6114 (convert_regs_2): Set block_done once block is really done;
6115 Do updating of the predecesors counts.
6117 * toplev.c (rest_of_compilation): Recompute block_for_insn
6118 before post-reload cfg_cleanup.
6119 * function.c (thread_prologue_epilogue_insns):
6120 Call set_block_for_new_insns when emitting prologue directly.
6122 2001-07-30 Andreas Jaeger <aj@suse.de>
6124 * jump.c: Add prototype for mark_modified_reg.
6126 * cse.c (set_live_p): Add unused attribute.
6128 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
6130 (scan_for_source_files): Use long for count to avoid overflow.
6131 (output_data): Likewise.
6132 (output_data): Don't use string concatatenation to silence gcc
6135 * predict.c: Fix typos and grammar.
6137 * gcse.c (insert_insn_end_bb): Remove unused variables.
6139 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
6141 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
6142 (attempt_auto_inc): LIkewise.
6143 (mark_used_reg): Likewise.
6144 (try_pre_increment_1): Likewise.
6145 * regclass.c (regclass): Likewise.
6146 * global.c (allocno_compare): Update comment; change scaling factor.
6147 * local-alloc.c (QTY_CMP_PRI): Likewise.
6148 * regs.h (REG_FREQ_FROM_BB): New.
6149 (REG_FREQ_MAX): Likewise.
6151 2001-07-30 H.J. Lu <hjl@gnu.org>
6153 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
6156 2001-07-30 H.J. Lu (hjl@gnu.org)
6158 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
6159 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6160 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
6162 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
6164 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
6165 as -mthumb-interwork when -mcpu=arm7 is specified.
6167 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6169 * predict.def (noreturn, loop branch, loop exit): Mark as first
6172 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
6174 * combine.c (try_combine): Avoid barrier after noop jumps.
6176 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6178 * cpphash.h (struct cpp_reader): Remove import_warning.
6179 * cpplib.c (skip_rest_of_line): Don't bother turning off
6181 (parse_include): Move include handling to...
6182 (do_include_common): ... here. Move import warning from...
6183 (do_import): ... here.
6184 (do_pragma_poison): Don't do a callback for poison identifiers.
6185 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
6186 * cppmain.c (setup_callbacks): Similarly.
6188 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
6190 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
6191 handle multiple sets.
6192 * except.c (sjlj_mark_call_sites): .... here.
6193 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
6195 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
6197 Suggested by Richard Henderson and Richard Kenner:
6198 * combine.c (recog_for_combine): Use the fake recog
6199 only if instruction does not match.
6200 * rtl.h (NOOP_MOVE_INSN_CODE): New.
6201 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
6203 * combine.c (try_combine): Discover noop jump as direct jump.
6205 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
6207 * df.c (df_rd_global_compute): Add successors to worklist, not
6209 (df_ru_global_compute): Ditto.
6211 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
6213 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
6214 increment REG_N_SETS.
6216 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
6218 * sbitmap.h: New prototype for sbitmap_a_xor_b.
6220 * sbitmap.c (sbitmap_a_xor_b): New function.
6221 ifdef the basic block stuff on IN_GCC.
6223 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6225 * cppexp.c (parse_defined): Always record the macro name.
6226 (lex): Don't worry about identifiers, or special-case
6228 (_cpp_parse_expr): Figure out at the end of the routine
6229 whether we saw a valid !defined() expression.
6230 * cppfiles.c (stack_include_file): Update for mi_valid.
6231 (_cpp_pop_file_buffer): Similarly.
6232 * cpplex.c (_cpp_lex_token): Similarly.
6233 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
6234 mi_if_not_defined, mi_lexed): Remove.
6236 * cpplib.c (do_if): Simplify.
6237 (do_endif, push_conditional, _cpp_handle_directive): Update
6238 for renaming of mi_state to mi_valid.
6240 * cpp.texi: Add index entries for digraphs, and add comment
6241 that C++ refers to them as alternative tokens.
6243 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6245 * basic-block.h (CLEANUP_PRE_LOOP): New.
6246 * except.c (finish_eh_generation): Update call of cleanup_cfg.
6247 * sibcall.c (optimize_sibling_calls): Likewise.
6248 * toplev.c (rest_of_compilation): Likewise.
6249 * flow.c (try_forward_edges): Take argument MODE;
6250 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
6251 (try_optimize_cfg): Update call of try_forward_edges.
6253 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6254 Jan Hubicka <jh@suse.cz>
6256 * (validate_replace_rtx_1): Fix simplification of MINUS.
6258 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
6260 PR preprocessor/3669
6261 * cppinit.c (init_dependency_output): Turn off dump requests
6262 if sending dependencies to stdout.
6264 2001-07-28 Richard Henderson <rth@redhat.com>
6266 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
6269 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
6271 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
6273 2001-07-28 Kazu Hirata <kazu@hxi.com>
6275 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
6276 is VAR_DECL first to prevent an ICE.
6278 2001-07-28 Richard Henderson <rth@redhat.com>
6280 * varasm.c (immed_real_const_1): Don't elide special cases for
6282 (clear_const_double_mem): Clear const_tiny_rtx too.
6284 2001-07-28 Richard Henderson <rth@redhat.com>
6286 * dwarf2out.c (dw_val_class_offset): New.
6287 (struct dw_ranges_struct, dw_ranges_ref): New.
6288 (ranges_table, ranges_table_allocated): New.
6289 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
6290 (add_AT_offset, add_ranges, output_ranges): New.
6291 (print_die, output_die): Handle dw_val_class_offset.
6292 (attr_checksum, size_of_die, value_format): Likewise.
6293 (gen_lexical_block_die): Handle non-contiguous blocks.
6294 (gen_block_die): Likewise.
6295 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
6296 if needed. Dump the ranges table.
6297 * final.c (final_start_function): Remove unnecessary notes and
6298 rebuild the block tree before numbering the blocks.
6299 * function.c (reorder_blocks_0): Walk the existing block tree
6300 to unmark all blocks.
6301 (reorder_blocks_1): Create block fragments when duplicate block
6303 (reorder_fix_fragments): New.
6304 (reorder_blocks): Call it.
6305 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
6307 2001-07-28 Richard Henderson <rth@redhat.com>
6309 * emit-rtl.c (adjust_address): Make a copy of the memory address.
6311 2001-07-28 Richard Henderson <rth@redhat.com>
6313 * flow.c (add_to_mem_set_list): New function.
6314 (init_propagate_block_info): Use it.
6315 (mark_set_1): Likewise.
6316 (insn_dead_p): Canonicalize memory address for dead store
6317 comparison. Allow wider mode stores to kill narrower mode stores.
6318 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
6319 (invalidate_mems_from_set): Don't handle MEMs.
6321 2001-07-28 Kazu Hirata <kazu@hxi.com>
6323 * config/h8300/h8300.h: Fix formatting.
6325 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6327 * basic-block.h (EDGE_FREQUENCY): New macro.
6328 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
6330 * flow.c (find_sub_basic_blocks): Likewise.
6331 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
6332 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
6334 * predict.c (DEF_PREDICTOR): New argument FLAGS.
6335 (HITRATE): New macro.
6336 (PRED_FLAG_FIRST_MATCH): New constant.
6337 (predictor_info): New field flgags.
6338 (combine_predictions_for_insn): Use DS theory to combine
6339 probabilities; set the edge probabilities when finished.
6340 (estimate_probability): Avoid duplicated matches
6341 of LOOP_BRANCH heuristics for nested loops; update comment.
6342 * predict.def: Add flags for each prediction, set probabilities
6343 according to B&L paper.
6344 * predict.h (DEF_PREDICTOR): New argument FLAGS.
6346 * profile.c (compute_branch_probabilities): Cleanup way the edge
6347 probabilities are computed and REG_BR_PROB notes are dropped; if
6348 values does not match, emit error.
6349 (init_branch_prob): Do error instead of warning when profile driven
6350 feedback is missing or corrupt.
6352 2001-07-27 DJ Delorie <dj@redhat.com>
6354 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
6355 against a constant, try to adjust the compare to have the desired
6356 constant in it so that min/max optimizations happen more often.
6358 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6360 * flow.c (last_loop_beg_note): New function.
6361 (redirect_edge_and_branch): Use it.
6362 (split_edge): Likewise.
6364 * alias.c (loop_p): Avoid uninitialized memory access.
6366 * flow.c (try_forward_edges): Avoid accessing freed memory.
6368 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
6371 2001-07-26 Andrew Haley <aph@redhat.com>
6372 Joern Rennecke <amylaar@redhat.com>
6374 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
6375 (SUBTARGET_CPP_ENDIAN_SPEC): New.
6376 (SUBTARGET_CPP_SPEC): New.
6378 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
6379 (SUBTARGET_CPP_PTR_SPEC): New.
6380 (CPP_DEFAULT_CPU_SPEC): New.
6381 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
6382 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6383 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
6384 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6385 (SUBTARGET_CPP_SPEC): Define as an empty string.
6387 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6389 * doc/install.texi (Configuration): Properly link the host
6390 specific instructions also when generating HTML.
6392 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
6394 * flow.c (redirect_edge_and_branch_force): Test
6395 target->global_live_at_start.
6397 2001-07-26 Richard Henderson <rth@redhat.com>
6399 * simplify-rtx.c (avoid_constant_pool_reference): Export.
6400 * rtl.h (avoid_constant_pool_reference): Declare it.
6401 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
6402 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
6404 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6406 * rtl.h (cleanup_barriers): Declare.
6407 * jump.c (cleanup_barriers): New function.
6408 * toplev.c (rest_of_compilation): Call cleanup_barriers
6409 before loop optimizer and after bb_reorder.
6411 * flow.c (back_edge_of_syntactic_loop_p): New.
6412 (split_edge): Use it.
6414 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6416 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
6418 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6420 * cse.c (cse_process_notes): Replace any registers if the address
6423 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6425 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6426 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6427 (propagate_block): Update prototype.
6428 * flow.c (update_life_info): Simplify the CFG and
6429 recalculate the global regs which are alive when
6430 removing dead code during a global update.
6431 (propagate_block): Return non-zero if an INSN is
6434 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6436 * Makefile.in (LIBICONV): Define.
6438 2001-07-26 Catherine Moore <clm@redhat.com>
6440 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6441 of conditional to avoid tree checking errors.
6443 2001-07-26 Kazu Hirata <kazu@hxi.com>
6445 * regmove.c (regmove_optimize): Don't replace a reg with
6446 another reg of a different mode.
6448 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6450 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6451 limit length of dependancy flush list.
6452 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6453 * sched-int.h (struct deps): Add pending_flush_length field.
6454 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6455 has 1 element in it.
6456 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6457 (sched_analyze): After a jump, if the pending memory flush list is too
6458 large, flush the pending lists.
6459 (init_deps): Initialize pending_flush_length to 0.
6460 * doc/invoke.texi (max_pending_list_length): Document parameter.
6462 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6464 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
6465 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
6466 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
6468 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6470 * cpphash.h (struct_lexer_state): Delete was_skipping.
6471 Move skipping here from struct cpp_reader.
6472 * cpplex.c (parse_identifier): Update.
6473 (_cpp_lex_token): Don't skip tokens in a directive.
6474 * cpplib.c (struct if_stack): Update.
6475 (start_directive, end_directive): Don't change skipping state.
6476 (_cpp_handle_directive): Update.
6477 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
6478 (do_else, do_endif): Update; only check for excess tokens if not
6479 in a skipped conditional block.
6480 (push_conditional): Update for new struct if_stack.
6482 2001-07-26 Graham Stott <grahams@redhat.com>
6484 * function.c (locate_and_pad_parm): Also pad initial offset
6485 so that the total argument size also includes the padding.
6487 2001-07-26 Graham Stott <grahams@redhat.com>
6489 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6490 change XSTR to XTMPL.
6492 (process_one_cond_exec): Likewise
6494 2001-07-25 Richard Henderson <rth@redhat.com>
6496 * varasm.c (assemble_variable): Create DECL_RTL before setting
6499 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6501 * predict.c (estimate_probability): Avoid duplicated predictions.
6503 * loop.c (find_and_verify_loops): Grok multiple barriers.
6505 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6507 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6509 * dbxout.c: Consistently use putc instead of fputc.
6510 (print_wide_int): New function; call instead of direct fprintf.
6511 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6512 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6513 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6514 (print_int_cst_octal): Likewise.
6515 (print_octal): Show we wrote characters.
6516 (dbxout_type): Set have_used_extensions in more places.
6518 2001-07-25 Catherine Moore <clm@redhat.com>
6520 * config/v850/v850.c (v850_va_arg): Use addr
6521 instead of valist to build incr.
6523 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6525 * flow.c (delete_dead_jumptables): New function.
6526 (life_analyzis): Call it.
6527 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6530 2001-07-25 Richard Henderson <rth@redhat.com>
6532 * except.c (reachable_handlers): Handle a region being removed
6533 out from under a RESX.
6535 2001-07-25 Richard Henderson <rth@redhat.com>
6537 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6538 swap GE/GT if it is an fp comparison.
6540 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6542 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6545 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6547 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6548 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6551 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6553 (visit_expression): When attempting to simplify an expression,
6554 retrieve any modes for arguments before they are simplified
6557 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6558 Janis Johnson <janis@us.ibm.com>
6560 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6561 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6562 pointer parameters to match documented usage of nonlocal_goto.
6563 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6564 parameters to their correct order.
6565 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6566 parameters to their correct order.
6568 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6570 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6572 2001-07-25 Jan Hubicka <jh@suse.cz>
6573 Richard Henderson <rth@redhat.com>
6575 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6577 (make_edges): New argument update_p; populate the edge cache if set.
6578 (find_basic_blocks): Update make_edges invocation.
6580 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6582 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6584 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6586 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6587 -Acpu and -Amachine.h.
6588 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6589 Corrected header to say ELF not a.out.
6590 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6591 when given -msoft-float.
6593 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6595 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6596 extra multilib parts like arm-elf.
6597 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6598 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6599 crtfini.o as extra multilib parts.
6601 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6603 * configure.in: Add rtems as a supported thread model.
6604 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6605 * configure: Rebuilt.
6607 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6609 * stor-layout.c (get_mode_alignment): make it work when
6610 BITS_PER_UNIT is not a power of two.
6611 * builtins.c (get_pointer_alignment): Likewise.
6613 2001-07-24 Richard Henderson <rth@redhat.com>
6615 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6616 the retrieved constant into the expected mode.
6618 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6620 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6621 (verify_flow_info): Check for duplicated edges; clarify
6624 * flow.c (block_label): Update basic_block_for_insn.
6625 (commit_edge_insertions): Call compute_bb_for_insn.
6627 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6630 * flow.c (redirect_edge_and_branch,
6631 try_optimize_cfg): Use redirect_edge_succ_nodup
6632 (redirect_edge_succ_nodup): New.
6633 * basic_block.h (redirect_edge_succ_nodup): Declare.
6635 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6638 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6640 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6641 (try_crossjump_to_edge): Update commetns.
6642 (try_crossjump_bb): Likewise.
6644 2001-07-24 Richard Henderson <rth@redhat.com>
6646 * combine.c (distribute_notes): Move set of need_refresh
6647 for noop_move_p down to catch all cases.
6649 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6651 * recog.c (split_all_insns_noflow): New.
6652 * rtl.h (split_all_insns_noflow): Declare.
6653 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6654 * m68hc11.c (m68hc11_reorg): Likewise.
6655 * sh.c (machine_dependent_reorg): Likewise.
6656 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6659 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6661 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6662 (ashlsi3_n splitter): Likewise.
6663 (lshrsi3_n splitter): Likewise.
6665 (GOTaddr2picreg): Make const SImode.
6666 (sym_label2reg): Likewise.
6667 (symGOT2reg): Likewise.
6668 (symGOTOFF2reg) Likewise.
6670 (casesi_worker_0): Make unspec SImode.
6672 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6674 * config/sh/sh.c (barrier_align): Check that an operand really is
6675 an insn before extracting its INSN_CODE.
6677 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6679 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6682 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6683 for SImode to prevent overflow.
6685 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6687 * config/mips/irix6-libc-compat.c: New file.
6688 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6689 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6692 2001-07-24 lars brinkhoff <lars@nocrew.org>
6694 * rtl.texi (REG_POINTER): Document.
6695 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6696 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6698 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6700 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6702 2001-07-23 Richard Henderson <rth@redhat.com>
6704 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6706 2001-07-23 Kazu Hirata <kazu@hxi.com>
6708 * config/h8300/h8300-protos.h: Add a prototype for
6709 general_operand_dst_push.
6710 * config/h8300/h8300.c (general_operand_dst_push): New.
6711 * config/h8300/h8300.h (OK_FOR_T): New.
6712 (EXTRA_CONSTRAINT): Use it.
6713 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6714 the existing movqi pattern.
6715 (movhi_push): Likewise.
6717 * reload.c: Fix comment typos.
6719 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6721 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6723 2001-07-23 H.J. Lu (hjl@gnu.org)
6725 * doc/extend.texi: Update __builtin_return_address and
6726 __builtin_frame_address.
6728 2001-07-23 Richard Henderson <rth@redhat.com>
6730 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6732 * config/i386/i386.md: New setcc+movzbl peephole2.
6734 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6736 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6737 * objc/objc-act.c: Include debug.h.
6738 (synth_module_prologue): Save and restore debug hooks too.
6740 2001-07-23 lars brinkhoff <lars@nocrew.org>
6742 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6743 and C4X_FLOAT_FORMAT.
6744 (BOOL_TYPE_SIZE): Document.
6746 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6748 * unroll.c (loop_iterations): Fix miscalculation of initial
6751 2001-07-13 Andrew Haley <aph@redhat.com>
6753 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6754 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6755 * config/sh/sh.c (sh_can_redirect_branch): New function.
6756 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6757 * reorg.c (steal_delay_list_from_target): Use
6758 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6760 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6762 * flow.c (try_simplify_condjump): Unlink insn chain on
6763 fallthru edge; use can_fallthru.
6765 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6767 * basic-block.h (find_sub_basic_block): Declare.
6768 * flow.c (make_edges): New arguments MIN and MAX;
6769 (find_sub_basic_blocks): Revamp to use make_edges
6770 and purge_dead_edges.
6771 (find_basic_blocks): Update call of find_sub_basic_block.
6773 * recog.c (split_all_insns): Always expect CFG to be consistent;
6774 call find_sub_basic_blocks in case something has changed.
6775 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6778 * basic-block.h (delete_noop_moves): Declare.
6779 * combine.c (combine_instructions): Call it.
6780 (recog_for_combine): Tolerate noop moves
6781 (distribute_notes): Force refresh when register dies at noop move.
6782 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6784 (life_analysis): Update delete_noop_moves call.
6785 (set_noop_p): Move too ...
6786 * rtlanal.c (noop_move_p): ... here.
6787 * rtl.h (noop_move_p): Declare.
6789 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6790 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6792 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6793 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6795 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6797 * reload.c (push_reload): Fix typo in comment.
6798 (find_reloads_address): Ditto.
6799 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6801 2001-07-22 Richard Henderson <rth@redhat.com>
6803 * flow.c: Grammar check and clarify a lot of comments.
6804 (try_simplify_condjump): Rename variables to be clearer.
6805 (try_forward_edges): Skip complex and fallthru edges.
6806 Rearrange tests to avoid duplicate checks.
6807 (flow_find_cross_jump): Likewise.
6808 (outgoing_edges_match): Allow match if neither branch has
6809 probability data. Loosen probability match to 5%.
6810 (try_crossjump_to_edge): Hoist repeated indirection into
6812 (try_crossjump_bb): Don't check complex edges. Eliminate
6813 redundant crossjump tests.
6814 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6815 checks before more expensive checks.
6817 2001-07-22 Richard Henderson <rth@redhat.com>
6819 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6820 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6823 2001-07-22 Richard Henderson <rth@redhat.com>
6825 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6826 (const_sint32_operand): Likewise.
6827 * m68k.md (anon mulsi pattern): Use const_int_operand not
6828 const_sint32_operand.
6829 (umulsi3_highpart): Zero extend a constant input.
6830 (smulsi3_highpart): Don't bother checking SImode constant.
6831 (const_umulsi3_highpart): Give op3 DImode.
6832 (const_smulsi3_highpart): Likewise.
6834 2001-07-22 Richard Henderson <rth@redhat.com>
6836 * flow.c (split_block): Make sure bb_note is included in the
6837 new block when splitting before a label.
6839 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6841 * basic-block.h (redirect_edge_and_branch_force,
6842 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6843 * flow.c (redirect_edge_and_branch_force,
6844 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6845 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6846 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6847 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6848 instead of label; update CFG after transformation.
6849 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6850 for finishing the transformation; handle even case where ELSE
6851 does not follow THEN.
6852 (find_if_case_2): Update call of dead_or_predictable; simplify
6855 * emit-rtl.c (split_branch_probability): New global variable.
6856 (try_split): Take care to set split_branch_probability and
6857 create REG_BR_PROB note for new jump insns.
6858 * md.texi (define_split): Document new feature.
6860 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6862 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6864 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6865 (asm_out_file): Remove redundant declaration.
6866 (assemble_asm): Remove old #if 0 block.
6867 (assemble_variable): Remove end of function; debug output is
6868 now handled with global_decl. Remove old #if 0 block. Update.
6869 Remove saved_in_section and associated no-op code.
6870 * Makefile.in (varasm.o): Correct dependencies.
6872 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6874 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6875 the definition in defaults.h.
6877 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6879 * jump.c: Update comments.
6880 (delete_barrier_successors, delete_unreferenced_labels,
6881 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6882 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6883 jump_optimize, jump_optimize_minimal): Kill.
6884 (rebuild_jump_labels): Move code from jump_optimize_1.
6885 (purge_line_number_notes): Likewise.
6886 (copy_loop_headers): Likewise.
6887 * reg-stack.c: Update comment.
6889 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6890 JUMP_AFTER_REGSCAN): Kill.
6891 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6892 purge_line_number_notes and copy_loop_headers.
6894 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6895 Richard Henderson <rth@redhat.com>
6897 * dbxout.c (dbxout_global_decl): New.
6898 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6899 * sdbout.c (sdbout_finish): New.
6900 (sdbout_debug_hooks): Use it, add comments.
6901 (sdbout_global_decl): Defer initialised public vars to
6903 * varasm.c (assemble_variable): Don't output debug information
6904 for file-scope variables.
6906 2001-07-22 Richard Henderson <rth@redhat.com>
6908 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6909 (get_round_mode_suffix): New.
6910 (print_operand): Use them for [/]. Remove support for [&'`()+].
6911 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6912 * config/alpha/alpha.md (attr round_suffix): New.
6913 (attr trap_suffix): New.
6914 (all insns): Set them appropriately. Use %/ instead of the
6917 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6919 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6921 2001-07-22 Richard Henderson <rth@redhat.com>
6923 * regrename.c (regrename_optimize): Compute nregs for each
6924 potential target register.
6926 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6927 Richard Henderson <rth@redhat.com>
6929 * dbxout.c (dbxout_global_decl): New.
6930 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6931 * sdbout.c (sdbout_finish): New.
6932 (sdbout_debug_hooks): Use it, add comments.
6933 (sdbout_global_decl): Defer initialised public vars to
6935 * varasm.c (assemble_variable): Don't output debug information
6936 for file-scope variables.
6938 2001-07-21 H.J. Lu (hjl@gnu.org)
6940 * config/mips/mips.c (mips_cpu): Moved into ...
6941 (override_options): Here.
6943 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6945 (mips_cpu): Removed.
6947 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6949 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6950 ("iorqi3"): Likewise.
6951 ("xorqi3"): Likewise.
6952 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6953 ("*subhi3_sp): Likewise.
6954 ("*subhi3"): Likewise.
6955 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6958 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6960 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6961 * config/freebsd.h: Likewise.
6962 * config/linux.h: Likewise.
6963 * config/openbsd.h: Likewise.
6964 * config/alpha/linux-elf.h: Likewise.
6965 * config/arm/linux-elf.h: Likewise.
6966 * config/d30v/d30v.h: Likewise.
6967 * config/fr30/fr30.h: Likewise.
6968 * config/ia64/aix.h: Likewise.
6969 * config/ia64/ia64.h: Likewise.
6970 * config/mips/linux.h: Likewise.
6971 * config/pj/pj.h: Likewise.
6972 * config/rs6000/linux.h: Likewise.
6973 * config/sparc/linux.h: Likewise.
6974 * config/sparc/linux64.h: Likewise.
6976 2001-07-20 Bruce Korb <bkorb@gnu.org>
6978 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6979 because getc() and char* may disagree on signedness.
6981 2001-07-20 Richard Henderson <rth@redhat.com>
6983 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6985 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6986 insns to delete in the presence of cc0 in a jump insn.
6988 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6989 Jan Hubicka <jh@suse.cz>
6991 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6992 of doing the change by hand.
6994 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6996 * rtlanal.c (set_noop_p): Return true for noop jumps.
6998 * expr.c (emit_single_push_insn): Add call to push expander.
6999 * expr.h (optab_index): Add OTI_push
7000 (push_optab): New constant.
7001 * genopinit.c (optabs): Add push_optab.
7002 * optabs.c (init_optab): Init push optab.
7003 * md.texi (push??1): Document
7005 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7007 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
7008 expand to emit the pattern; put a REG_INC note for push/pop
7010 ("movdf", "movdf_internal"): Likewise.
7011 ("movsi", "movsi_internal"): Likewise.
7012 ("movsf", "movsf_internal"): Likewise.
7013 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
7015 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7017 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
7020 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
7022 * params.def: Change default max inline insns to 100.
7024 2001-07-20 Diego Novillo <dnovillo@redhat.com>
7026 * combine.c (combine_simplify_rtx): Generate a new shift operation
7027 when simplifying the first operand of a (neg (ashift)) expression.
7029 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7031 * regclass.c (N_REG_INTS): Use only 32 bits per element.
7033 2001-07-20 Kelley Cook <kelley.cook@home.com>
7035 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
7036 information. Move rest into ...
7037 (*-*-solaris): ... here. Eliminate redundant information and
7038 reword necessary packages section. Delete 4.x assembler bug info.
7039 (sparc-sun-*): Merge into ...
7040 (sparc-sun-sunos*): here.
7042 2001-07-20 Catherine Moore <clm@redhat.com>
7044 * config/v850/v850.md (casesi): Generate LABEL_REF
7047 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
7049 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
7050 * i386.c (ix86_zero_extend_to_Pmode): Make global.
7051 * i386.md (strclrsi expander): Use it.
7053 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7055 * integrate.c (copy_insn_list): handle
7056 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
7057 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
7058 identically as to CODE_LABEL.
7060 * fold-const (fold): Convert A/B/C to A/(B*C) and
7063 * except.c (connect_post_landing_pads): Delete the RESX insns.
7065 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
7067 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
7069 * config/mips/mips.md (nmadd/nmsub): Use macro.
7071 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
7073 * cppinit.c (remove_dup_dir): Make static.
7074 (remove_dup_dirs): Make static. Only warn about preempting a
7075 system directory with a non-system directory.
7077 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7079 * ifcvt.c (noce_try_store_flag_constants): Correct order
7080 of parameters to trunc_int_for_mode.
7082 2001-07-19 Mark Mitchell <mark@codesourcery.com>
7084 * reorg.c (fill_simple_delay_slots): If an instruction might throw
7085 an exception that will be caught within this function, do not fill
7086 its delay slot with any subsequent instruction.
7088 2001-07-19 Steve Ellcey <sje@cup.hp.com>
7090 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
7091 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
7092 pointer extension instruction.
7093 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
7094 * simplify-rtx.c (simplify_unary_operation) Likewise.
7095 * explow.c (convert_memory_address) Check value of
7096 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
7098 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
7099 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
7100 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
7101 Add Multilib Support.
7102 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
7103 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
7104 Add Multilib Support.
7105 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
7107 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
7108 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
7109 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
7111 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
7113 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
7114 old and new operands in `<', `3' and `b'.
7116 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7118 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
7119 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
7120 (toplev.o): Don't depend on xcoffout.h.
7121 * c-decl.c: Include debug.h
7122 (duplicate_decls): Use debug hook.
7123 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
7124 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7125 (dbxout_types): Remove.
7126 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
7127 * debug.c (do_nothing_debug_hooks): Update.
7128 (debug_true_tree, debug_nothing_rtx): New.
7129 * debug.h (struct rtx_def): New.
7130 (struct gcc_debug_hooks): New hooks ignore_block,
7131 outlining_inline_function and label.
7132 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
7133 dwarf2out_frame_finish): New.
7134 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
7135 Make static, update prototype.
7136 (dwarf2_debug_hooks): Update.
7137 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
7138 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
7139 * dwarfout.c (dwarf_debug_hooks): Update.
7140 * emit-rtl.c: Include debug.h.
7141 (remove_unnecessary_notes): Use debug hook.
7142 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
7143 (final_scan_insn): Use debug hook.
7144 * integrate.c (output_inline_function): Use debug hook.
7145 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
7146 (sdb_debug_hooks): Update.
7147 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
7148 * toplev.c: Don't include xcoffout.h.
7149 (note_outlining_of_inline_function, debug_ignore_block): Remove.
7150 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
7152 * tree.h (dwarf2out_do_frame): Remove.
7154 2001-07-19 Catherine Moore <clm@cygnus.com>
7156 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
7158 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7160 * reload1.c (eliminate_regs_in_insn): When updating a set
7161 to the frame pointer to the hardware frame pointer, perform
7162 the update always not just when REPLACE is set.
7164 * reload1.c (choose_reload_regs): Don't inherit a reload
7165 that crosses multiple registers if registers past the first
7166 don't fit in the desired class.
7168 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
7169 when negating constants.
7171 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
7173 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
7174 * doc/tree.texi: Ditto.
7176 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
7177 Jakub Jelinek <jakub@redhat.com>
7179 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
7180 (extract_cie_info): Handle "eh" augmentation properly,
7182 (struct frame_state, __frame_state_for): New.
7184 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7186 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
7187 HANDLE_SYSV_PRAGMA): Define.
7188 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
7190 (copy_object): Caller changed.
7192 2001-07-19 Andreas Schwab <schwab@suse.de>
7194 * configure.in (assembler dwarf2 debug_line support): Define nop
7196 * configure: Regenerated.
7198 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7200 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
7202 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
7203 to conditionally compiled block.
7204 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7205 * dbxout.h (dbxout_function): Remove.
7206 * debug.c (do_nothing_debug_hooks): Update.
7207 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
7208 global_decl, deferred_inline_function.
7209 * dwarf2out.c (dwarf2_debug_hooks): Update.
7210 (dwarf2out_global_decl): New.
7211 * dwarfout.c: Don't include dwarfout.h.
7212 (dwarfout_global_decl, dwarfout_function_decl,
7213 dwarfout_deferred_inline_function): New.
7214 (dwarf_debug_hooks): Update.
7215 * dwarfout.h: Remove.
7216 * final.c: Don't include dwarfout.h.
7217 * sdbout.c (sdbout_global_decl): New.
7218 (sdbout_debug_hooks): Update.
7219 * toplev.c: Don't include dwarfout.h.
7220 (check_global_declarations, rest_of_compilation): Use new debug hooks.
7221 (note_deferral_of_defined_inline_function): Remove.
7222 * toplev.h (note_deferral_of_defined_inline_function): Remove.
7223 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
7224 * ch/lex.c: Don't include dwarfout.h.
7225 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
7226 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
7227 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
7228 * cp/optimize.c: Include debug.h.
7229 (maybe_clone_body): Use debug hook.
7230 * cp/semantics.c: Include debug.h.
7231 (expand_body): Use debug hook.
7232 * po/POTFILES.in: Remove dwarfout.h.
7234 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7236 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
7237 * c-parse.in (yyerror, _yylex): Similarly.
7238 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
7239 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
7241 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
7242 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
7244 2001-07-18 Jeff Sturm <jsturm@one-point.com>
7246 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
7247 in-class declaration at -g1. Fixes c++/2814.
7249 2001-07-18 Richard Henderson <rth@redhat.com>
7251 * doc/md.texi (reload_in/out): Document restrictions in predicates
7252 and constraints for these patterns. Document empty string matching
7255 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7257 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
7259 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7261 * cse.c: Undo my previous patch.
7263 2001-07-18 Tom Tromey <tromey@redhat.com>
7266 * configure: Rebuilt.
7267 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
7269 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
7271 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
7272 Jan Hubicka <jh@suse.cz>
7274 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
7275 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
7276 * jump.c (mark_jump_label): Do not forward branches.
7278 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
7280 * cse.c (delete_trivially_dead_insns): Delete the libcall block
7281 when return value is unused.
7283 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7285 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
7287 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
7289 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
7290 on error. We can't blindly return the result of
7291 pthread_mutex_trylock because it returns a positive number on
7292 error, while we must return -1 on error.
7293 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
7295 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
7297 2001-07-18 Andreas Jaeger <aj@suse.de>
7299 * integrate.c (output_inline_function): Correct type of debug_hooks.
7301 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
7303 * combine.c (combine_simplify_rtx): DIV can be treated
7304 associatively for floats if unsafe math optimisations are enabled.
7306 2001-07-17 Richard Henderson <rth@redhat.com>
7308 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
7310 2001-07-17 Richard Henderson <rth@redhat.com>
7312 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
7313 don't force the function address into a register.
7314 (expand_call, emit_library_call_value_1): Update callers.
7315 * builtins.c (expand_builtin_apply): Likewise.
7316 * expr.h (prepare_call_address): Update decl.
7318 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
7320 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
7322 * config/i386/chorus.h: Move up.
7323 * config/sparc/chorus.h: Likewise.
7324 * config/rs6000/chorus.h: Likewise.
7325 * config/chorus.h: Moved here.
7327 2001-07-17 Andreas Schwab <schwab@suse.de>
7329 * configure.in (assembler eh_frame optimization): Handle big
7331 * configure: Regenerated.
7333 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
7335 * expr.c (epxand_expr): Convert divisions into multiplications by
7336 reciprocals if -ffast-math.
7338 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
7340 * dbxout.c (dbxout_really_begin_function): Rename to
7341 dbxout_begin_function.
7342 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7343 (dbxout_begin_function): Remove.
7344 (dbxout_function): Update.
7345 (dbxout_source_line): Update prototype.
7346 * dbxout.h (dbxout_begin_function): Remove.
7347 * debug.c (do_nothing_debug_hooks): Update.
7348 (debug_nothing_tree): Update.
7349 (debug_nothing_charstar_rtx): Remove.
7350 * debug.h (union tree_node): Declare.
7351 (struct rtx_def): Remove.
7352 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
7353 begin_function. Change source_line prototype.
7354 (debug_nothing_tree): New.
7355 (debug_nothing_charstar_rtx): Delete.
7356 (dwarf2out_begin_prologue): Moved from ...
7358 * dwarf2out.c (dwarf2_debug_hooks): Update.
7359 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
7360 debug info, call dwarf2out_source_line.
7361 (dwarf2out_souce_line): Update prototype.
7362 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
7363 Change prototype, make static.
7364 (dwarfout_source_line): Update prototype.
7365 (dwarf_debug_hooks): Update.
7366 * dwarfout.h (dwarfout_begin_function): Remove.
7367 * final.c (final_start_function, final_scan_insn): Use appropriate
7368 debug hooks, update to use notice_source_line.
7369 (output_source_line): Rename notice_source_line. Don't call the
7370 source_line debug hook.
7371 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
7372 make static, update prototype.
7373 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
7375 (sdbout_end_prologue): New.
7376 (sdbout_source_line): Update prototype.
7377 (sdbout_debug_hooks): Update.
7378 (sdbout_symbol): Remove unused var.
7379 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
7381 * varasm.c: Include debug.h.
7382 (assemble_start_function): Use begin_function debug_hook.
7383 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7384 update with prototype.
7385 (xcoffout_source_line): Update prototype.
7386 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7388 (xcoffout_source_line): Update prototype.
7390 2001-07-17 Richard Henderson <rth@redhat.com>
7392 * c-typeck.c (build_binary_op): Do not shorten unsigned
7393 right shift after sign extension.
7395 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
7397 * combine.c (combine_simplify_rtx): Attempt to simplify
7398 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
7400 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
7401 (simplify_binary_operation, simplify_unary_operation,
7402 simplify_relational_operation): Use it.
7404 * combine.c (combine_simplify_rtx): Don't do associative law
7405 on divisions; allow associative law on floats.
7407 2001-07-17 H.J. Lu <hjl@gnu.org>
7408 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7410 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7411 ASM_OUTPUT_WEAK_ALIAS are defined.
7412 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7413 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7415 * config/mips/iris5.h: ... here.
7416 (HANDLE_SYSV_PRAGMA): Defined as 1.
7417 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
7418 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7421 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7423 * c-parse.in (all_prefix_attributes): New variable.
7424 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7425 (maybe_resetattrs): New production.
7426 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7427 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7428 notype_initdcl, nested_function, notype_nested_function,
7429 component_decl, components, components_notype,
7430 component_declarator, component_notype_declarator,
7431 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7432 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7433 after a comma being applied to more than one declarator.
7434 * doc/extend.texi (Attribute Syntax): Update. Remove
7435 documentation of bugs that are no longer present.
7437 2001-07-13 Eric Christopher <echristo@redhat.com>
7439 * config/mips/mips.h: Change TUNE_MIPS* options to use
7441 (EXTRA_SPECS): Add cc1_cpu_spec.
7442 * config/mips/mips.md (muldf3): Fix typo.
7444 2001-07-16 Richard Henderson <rth@redhat.com>
7446 * config/m68k/m68k.c: Include expr.h and reload.h.
7447 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7448 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7450 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7451 Richard Henderson <rth@redhat.com>
7453 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7454 (insn_live_p): Fix fall off end of function.
7455 (dead_libcall_p): Remove COUNTS argument; update callers.
7456 (delete_trivially_dead_insns): Remove unused variables.
7458 2001-07-17 Andreas Jaeger <aj@suse.de>
7460 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7463 * lcm.c (optimize_mode_switching): Avoid warning for unused
7464 variable if !NORMAL_MODE.
7466 * flow.c (try_crossjump_to_edge): Remove unused variable.
7468 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
7470 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
7471 atexit declaration in stdlib.h.
7473 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
7475 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
7477 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7479 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
7480 * except.c (finish_eh_generation): Update call of cleanup_cfg;
7481 do rebuild_jump_labels instead of jump_optimize
7482 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7483 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7484 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7486 * flow.c: Include timevar.h
7487 (find_basic_block): Push/pop timevar;
7488 (cleanup_cfg): Likewise.
7489 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7490 * Makefile: Add dependencies on timevar.h
7492 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
7493 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7495 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7496 * toplev.c (rest_of_compilation): Update calls.
7497 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7498 (delete_trivially_dead_insns): ... here; accept new argument
7499 preserve_basic_blocks; preserve basic blocks if set.
7501 * reg-stack.c (stack_regs_mentioned): Return 0 if
7502 stack_regs_mentioned_data is not initialized.
7503 (reg_to_stack): Make stack_regs_mentioned survive after the
7504 reg-stack is completted; do not call cleanup_cfg.
7505 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7506 make cleanup_cfg after bb-reorder to output to debug file.
7508 2001-07-16 Richard Henderson <rth@redhat.com>
7510 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7511 from int_reg_class_contents.
7513 2001-07-16 Richard Henderson <rth@redhat.com>
7515 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7516 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7517 (init_reg_sets_1): Move initialization from cse_main.
7518 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7519 (cse_main): Move its initialization also.
7520 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7521 * flow.c (propagate_one_insn): Likewise.
7522 * gcse.c (compute_hash_table): Likewise.
7523 (compute_kill_rd, compute_store_table): Likewise.
7524 * sched-deps.c (sched_analyze_1): Likewise.
7526 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7528 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7531 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7533 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7534 in if statement so we don't access undefined memory.
7536 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7538 * gcse.c: Update comment at top.
7539 Update comment on mem handling.
7540 mem_last_set, mem_first_set, mem_set_in_block: gone.
7541 Declaration of reg_set_info: gone.
7542 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7543 pointless with load_killed_in_block_p (they are *more*
7544 conservative then it, not less, and less accurate).
7545 (oprs_not_set_p): Ditto.
7546 (alloc_gcse_mem): Don't allocate mem_set_in_block
7547 (free_gcse_mem): Don't free it, either.
7548 (record_last_mem_set_info): Update comment in front, remove
7549 mem_*set_* stuff. Note the reason we don't handle stores directly
7551 (compute_hash_table): Update comments to reflect reality. Remove
7552 mem_*set_* references.
7553 (reset_opr_set_tables): Remove mem_*set_* references.
7555 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7556 (mark_clobber): Ditto (on both parts, we double set here too).
7557 (expr_killed_p): Remove mem_set_in_block test.
7558 (compute_transp): Remove mem_set_in_block test.
7560 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7561 of edge, and removal of phi alternative to dump file.
7562 (ssa_ccp_substitute_constants): Add note about register now being
7563 constant, and which uses were replaced in what insns to dump file.
7565 2001-07-16 Andreas Jaeger <aj@suse.de>
7567 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7568 variables of type HOST_WIDEST_INT.
7570 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7571 (__bb_exit_func): Correct type of count_max to avoid overflow.
7572 (num_digits): Handle long long argument.
7574 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7576 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7578 * output.h (sdb_begin_function_line): Restore as an extern
7580 * sdbout.c (sdb_begin_function_line): Make extern.
7582 2001-07-15 Richard Henderson <rth@redhat.com>
7584 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7585 * genrecog.c (maybe_both_true_mode): New.
7586 (maybe_both_true_2): Use it.
7587 (write_switch): Don't put Pmode in a switch.
7588 * rtl.c (mode arrays): Don't explicitly size them.
7590 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7592 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7593 handling; move unconditional splitting before mode switching.
7595 * i386.md (type): Add fistp type.
7596 (i387, length_attr, scheduling definitions): Handle this type.
7597 (fix_trunc?f?i2): Revamp to use mode switching.
7598 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7599 * i386.h (fp_cw_mode): New enum
7600 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7601 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7603 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7605 * Makefile.in (integrate.o): Add debug.h.
7606 * integrate.c (debug.h): Add.
7607 (output_inline_function): Save, reset, and restore debug_hooks.
7609 2001-07-15 Richard Henderson <rth@redhat.com>
7611 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7612 instead of COMPARE for the EQUIV expression.
7614 2001-07-15 Richard Henderson <rth@redhat.com>
7616 * flow.c (redirect_edge_and_branch_force): Initialize
7617 global_live_at_start and global_live_at_end.
7618 (allocate_bb_life_data): Export.
7619 * basic-block.h (allocate_bb_life_data): Declare.
7620 * toplev.c (rest_of_compilation): Call it.
7622 2001-07-15 Richard Henderson <rth@redhat.com>
7624 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7625 (alpha_tablejump_best_label): New.
7626 * config/alpha/alpha-protos.h: Declare them.
7627 * config/alpha/alpha.md: Use braced strings for code blocks.
7628 (tablejump_osf): Break out add with r29.
7629 (tablejump_osf_internal): Remove.
7630 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7631 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7633 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7635 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7638 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7640 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7641 (ix86_fp_jump_nontrivial_p): New.
7642 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7643 use ix86_fp_jump_nontrivial_p.
7644 * i386.c (ix86_fp_jump_nontrivial_p): New.
7645 (ix86_split_fp_branch): Accept code instead of rtx.
7646 (ix86_expand_compare): Expand comparison early in case
7647 doing so is resonably cheap.
7649 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7651 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7653 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7654 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7656 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7658 * dbxout.c (dbxout_source_line): Make static, update prototype.
7659 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7660 (dbxout_init, dbxout_finish, dbxout_source_line,
7661 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7662 * dbxout.h (dbxout_source_line): Delete.
7663 * debug.c (debug_nothing_file, debug_nothing_file_int,
7664 debug_nothing_file_charstar_rtx): New.
7665 (do_nothing_debug_hooks): Update.
7666 (debug_nothing_void, debug_nothing_charstar_rtx,
7667 dwarf2out_end_epilogue): New.
7668 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7669 * debug.h (struct rtx_def): Declare.
7670 (gcc_debug_hooks): New hooks source_line, end_epilogue
7672 (debug_nothing_void, debug_nothing_charstar_rtx,
7673 dwarf2out_end_epilogue): New.
7674 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7675 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7676 (dwarf2_debug_hooks): Update.
7677 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7678 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7679 * dwarf2out.h (dwarf2out_source_line): Remove.
7680 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7681 Make static, update prototype.
7682 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7683 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7684 (dwarf_debug_hooks): Update.
7685 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7686 dwarfout_end_function): Remove.
7687 * final.c (profile_function): Use debug hooks for ending functions
7689 (output_source_line, final_end_function): Update prototype,
7691 (final_start_function, final_scan_insn): Update.
7692 * output.h (sdb_begin_function_line): Remove.
7693 (final_end_function): Update prototype.
7694 * sdbout.c (sdb_begin_function_line): Make static.
7695 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7696 (sdbout_source_line): New.
7697 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7699 (sdb_debug_hooks): Update.
7700 (sdbout_init, sdbout_source_line,
7701 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7702 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7703 * toplev.c (compile_file, rest_of_compilation): Update.
7704 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7705 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7706 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7707 Update for prototype changes.
7708 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7709 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7711 2001-07-15 Richard Henderson <rth@redhat.com>
7713 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7714 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7715 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7716 * config/alpha/alpha.c: Likewise.
7717 * config/alpha/alpha.md: Likewise.
7718 * config/alpha/alpha32.h: Likewise.
7719 * config/alpha/vms.h: Likewise.
7722 2001-07-14 Richard Henderson <rth@redhat.com>
7724 * config/alpha/alpha.md: Use define_constants for unspec values.
7725 Substitute throughout.
7727 2001-07-14 Tim Josling <tej@melbpc.org.au>
7729 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7731 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7733 * pa.md: Remove unused constraints from define_split's.
7735 2001-04-14 Richard Henderson <rth@redhat.com>
7737 * ifcvt.c (find_cond_trap): Test for exit block.
7739 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7741 Re-install recently reverted patch.
7742 * emit-rtl.c (try_split): Update mark_jump_label call.
7743 * flow.c (find_sub_basic_blocks): Likewise.
7744 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7746 (mark_all_labels): Kill second parameter.
7747 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7748 (rebuild_jump_labels, jump_optimize_minimal): Update call
7750 (jump_optimize_1): Kill crossjumping code.
7751 (mark_jump_label): Kill cross_jump parameter.
7752 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7753 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7754 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7756 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7758 (dump_file_info): Likewise.
7759 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7760 reorganize passes to do reg-stack first, bb-reorder second.
7761 * invoke.texi (-d letters doc): Remove the jump2 pass.
7763 2001-07-14 Richard Henderson <rth@redhat.com>
7765 * ifcvt.c (find_cond_trap): New.
7766 (find_if_header): Call it.
7767 (merge_if_block): Relax existing jump sanity check.
7768 * jump.c (jump_optimize_1): Remove conditional trap handling.
7770 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7772 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7774 (insn_refs_are_delayed): Correct comment.
7775 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7776 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7777 instead of r31. Make associated insn !TARGET_64BIT, and
7778 provide an additional 64-bit insn that clobbers r2.
7780 (udivsi3): Likewise.
7782 (umodsi3): Likewise.
7784 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7786 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7788 * flow.c (redirect_edge_and_branch_force, split_edge,
7789 try_crossjump_to_edge): Use set_block_for_new_insns.
7790 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7792 2001-07-13 H.J. Lu (hjl@gnu.org)
7794 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7797 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7799 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7801 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7803 * c-common.c (decl_attributes): Take a pointer to the node to
7804 which attributes are to be attached, and a flags argument.
7805 * c-common.h (enum attribute_flags): New.
7806 (decl_attributes): Update prototype.
7807 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7808 finish_enum, start_function): Update calls to decl_attributes.
7809 * c-parse.in (component_declarator, component_notype_declarator,
7810 label): Update calls to decl_attributes.
7812 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7814 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7815 * config/avr/avr.c (legitimate_address_p): Return value changed
7816 from letter to register classes. For better debugging.
7818 2001-07-13 Kazu Hirata <kazu@hxi.com>
7820 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7822 2001-07-13 H.J. Lu (hjl@gnu.org)
7824 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7826 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7828 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7829 correctly for shared configurations.
7830 * config/t-libgcc-pic: New.
7831 * config/{i386,m68k,sparc}/t-openbsd: New.
7832 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7833 Support -shared. Support debugging libraries with -g.
7834 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7835 frame information does not emit pointer diffs.
7836 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7839 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7841 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7843 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7845 * combine.c (try_combine): Ensure const_int pow2 is positive.
7847 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7849 * config.gcc: Add configuration for s/390.
7850 * config/s390/s390.c: New. Subroutines for code generation.
7851 * config/s390/s390.h: New. Definitions for s/390.
7852 * config/s390/s390-protos.h: New. Prototypes.
7853 * config/s390/linux.h: New. Definitions for linux for s/390.
7854 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7855 * config/s390/t-linux: New. Makefile fragment.
7856 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7857 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7859 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7861 * emit-rtl.c (try_split): Update mark_jump_label call.
7862 * flow.c (find_sub_basic_blocks): Likewise.
7863 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7865 (mark_all_labels): Kill second parameter.
7866 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7867 (rebuild_jump_labels, jump_optimize_minimal): Update call
7869 (jump_optimize_1): Kill crossjumping code.
7870 (mark_jump_label): Kill cross_jump parameter.
7871 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7872 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7873 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7875 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7877 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7878 reorganize passes to do reg-stack first, bb-reorder second.
7879 * invoke.texi (-d letters doc): Remove the jump2 pass.
7881 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7883 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7885 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7887 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7889 (verify_flow_info): Make diagnostics prettier.
7891 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7893 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7895 * flow.c (outgoing_edges_match): Return early if condition reversal
7898 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7900 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7901 (mips_move_2words): When splitting a move into two instructions,
7902 prefix the second address operand with '%D'.
7904 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7906 * Makefile.in (final.o): Depend on debug.h.
7907 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7908 (dbx_debug_hooks): Add new hooks.
7909 (xcoff_debug_hooks): New.
7910 * debug.c (debug_nothing_file_int_int): New.
7911 (do_nothing_debug_hooks): Update.
7912 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7913 (debug_nothing_file_int_int): New.
7914 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7915 static, update prototype.
7916 (dwarf2_debug_hooks): Update.
7917 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7918 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7919 static, update prototype.
7920 (dwarf_debug_hooks): Update.
7921 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7922 * final.c: Include debug.h.
7923 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7924 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7925 static, update prototype.
7926 (sdb_debug_hooks): Update.
7927 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7928 * toplev.c: Distinguish between xcoff and dbx.
7930 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7931 Call all debug hooks, not just dwarf ones.
7933 2001-07-11 Timothy Wall <twall@redhat.com>
7935 * config.gcc: Add configuration for AIX5/IA64.
7936 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7937 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7938 support prefix/suffix code.
7939 * config/ia64/t-aix: New. Makefile fragment.
7940 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7942 2001-07-11 Kazu Hirata <kazu@hxi.com>
7944 * recog.c (validate_change): Fix a comment typo.
7946 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7948 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7949 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7951 * dbxout.c (dbx_debug_hooks): Add new hooks.
7952 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7954 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7956 * dbxout.h (dbxout_start_new_source_file,
7957 dbxout_resume_previous_source_file): Delete.
7958 * debug.c (do_nothing_debug_hooks): Add new hooks.
7959 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7960 (debug_nothing_int_charstar, debug_nothing_int): New.
7961 * debug.h (gcc_debug_hooks): New hooks define, undef,
7962 start_source_file and end_source_file.
7963 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7964 (debug_nothing_int_charstar, debug_nothing_int): New.
7965 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7966 the conditionally compiled section.
7967 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7968 dwarf2out_define, dwarf2out_undef): Make static.
7969 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7970 dwarf2out_define, dwarf2out_undef): Remove.
7971 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7972 (dwarfout_start_source_file, dwarfout_end_source_file,
7973 dwarfout_define, dwarfout_undef): Make static.
7974 (dwarfout_start_source_file_check,
7975 dwarfout_end_source_file_check): New.
7976 (dwarfout_define, dwarfout_finish): Update.
7977 * dwarfout.h (dwarfout_start_new_source_file,
7978 dwarfout_resume_previous_source_file, dwarfout_define,
7979 dwarfout_undef): Remove.
7980 * sdbout.c (sdb_debug_hooks): Add new hooks.
7981 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7983 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7984 make static, take an arg.
7985 * sdbout.h (sdbout_start_new_source_file,
7986 sdbout_resume_previous_source_file): Delete.
7987 * toplev.c (debug_start_source_file, debug_end_source_file,
7988 debug_define, debug_undef): Delete.
7989 * toplev.h (debug_start_source_file, debug_end_source_file,
7990 debug_define, debug_undef): Delete.
7992 * java/jcf-parse.c: Include debug.h.
7993 (parse_class_file): Update to use debug hooks directly.
7994 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7996 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7998 * alias.c (set_mem_alias_set): New function.
7999 * rtl.h (set_mem_alias_set): Declare it.
8000 * builtins.c (expand_builtin_return_addr): Call it instead of
8001 using MEM_ALIAS_SET accessor.
8002 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
8003 (get_memory_rtx, expand_builtin_va_arg): Likewise.
8004 (expand_builtin_va_copy):Likewise.
8005 * caller-save.c (setup_save_areas): Likewise.
8006 * calls.c (compute_argument_addresses): Likewise.
8007 * explow.c (set_mem_attributes): Likewise.
8008 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
8009 (expand_assignment, store_constructor_field, store_field): Likewise.
8010 (expand_expr_unaligned): Likewise.
8011 * function.c (assign_stack_temp_for_type): Likewise.
8012 (put_reg_into_stack, gen_mem_addressof): Likewise.
8013 * ifcvt.c (noce_try_cmove_arith): Likewise.
8014 * reload1.c (reload, alter_reg): Likewise.
8015 * config/alpha/alpha.c (get_aligned_mem): Likewise.
8016 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
8017 (alpha_expand_unaligned_store): Likewise
8018 (alpha_expand_unaligned_load_words): Likewise.
8019 (alpha_expand_unaligned_store_words): Likewise.
8020 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
8021 (alpha_expand_epilogue): Likewise.
8022 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
8023 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
8024 * config/i386/i386.c (legitimize_pic_address): Likewise.
8025 * config/i960/i960.c (setup_incoming_varargs): Likewise.
8026 * config/ia64/ia64.c (spill_restore_mem): Likewise.
8027 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
8028 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
8029 * config/mips/mips.c (mips_va_arg): Likewise.
8030 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
8031 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
8032 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
8033 (setup_incoming_varargs, rs6000_va_arg): Likewise.
8034 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
8035 (rs6000_emit_epilogue): Likewise.
8036 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
8037 * config/sparc/sparc.c (sparc_va_arg): Likewise.
8038 * config/v850/v850.c (v850_va_arg): Likewise.
8040 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
8042 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
8043 when fallthru edge is present.
8044 (mege_blocks): Handle case where creation of jump insn
8047 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
8048 CLEANUP_POST_REGSTACK): New constants.
8049 * except.c (finish_eh_generation): Update call of cleanup_cfg,
8050 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
8051 * output.h (cleanup_cfg): Update prototype.
8052 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
8053 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
8054 cleanup_cfg call; kill missleading comment.
8055 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
8056 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
8057 parameter; control optimizations performed using it.
8058 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8059 try_crossjump_bb): New functions.
8061 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8063 * pa.c (pa_output_function_prologue): Delete prototype. Make function
8065 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
8066 pa_output_function_prologue.
8067 * pa-protos.h (pa_output_function_prologue): New prototype.
8069 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8071 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
8072 and low to get correct sign extension in low+high test.
8074 2001-07-11 Janis Johnson <janis@us.ibm.com>
8076 * gcov.c (arcdata): Use gcov_type to fix branch percentage
8077 for large hit count.
8079 * profile.c (branch_prob): Fix .bbg info for computed gotos
8082 2001-07-11 Mark Mitchell <mark@codesourcery.com>
8084 * stmt.c (parse_output_constraint): New function, split out
8086 (expand_asm_operands): ... here. Use parse_output_constraint.
8087 * tree.h (parse_output_constraint): Declare it.
8089 2001-07-11 Richard Henderson <rth@redhat.com>
8091 * bitmap.c: Comment some functions; fiddle whitespace.
8092 (bitmap_free): Don't export.
8093 (bitmap_element_allocate): Use memset.
8094 * bitmap.h (bitmap_free): Don't declare.
8096 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
8098 * gcse.c, lcm.c, sched-deps.c:
8099 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
8101 * flow.c (flow_loops_find): Free dom if we found no loops, since
8102 we aren't going to save it.
8104 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
8107 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
8109 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
8111 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8113 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
8114 #ifndef DWARF2_DEBUGGING_INFO.
8116 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8118 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
8120 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8122 * config/mips/mips.c (gen_int_relational): Tell the caller not to
8123 reverse a branch if a NE comparison is implemented with GTU.
8125 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8126 H.J. Lu <hjl@gnu.org>
8128 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
8130 (call_internal2): Likewise.
8131 (call_value_internal1): Likewise.
8132 (call_value_internal2): Likewise.
8133 (call_value_multiple_internal1): Likewise.
8134 (call_value_multiple_internal2): Likewise.
8136 2001-07-10 Kazu Hirata <kazu@hxi.com>
8138 * calls.c (emit_library_call_value_1): Fix a comment typo.
8139 * dwarf2out.c (mem_loc_descriptor): Likewise.
8140 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
8142 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
8144 * simplify-rtx.c (simplify_subreg): Fix typo in comment
8146 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8148 * recog.c (offsettable_address_p): Handle LO_SUM case.
8149 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
8150 instead of plus_constant.
8152 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8154 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
8155 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
8157 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8159 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
8160 adjust_address_nv instead of plus_constant.
8162 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
8164 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
8165 dwarf2out.o): Depend on debug.h, wrap long lines.
8166 * dbxout.c: Include debug.h.
8167 (dbx_debug_hooks): New.
8168 (dbxout_init): Make static, take just 2 args.
8169 (dbxout_finish): Make static.
8170 * dbxout.h (dbxout_init, dbxout_finish): Delete.
8171 * debug.c: New file.
8172 * debug.h: New file.
8173 * dwarf2out.c: Include debug.h.
8174 (dwarf2_debug_hooks): New.
8175 (dwarf2out_init): Make static.
8176 (dwarf2out_finish): Make static, take 2 args.
8177 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
8178 * dwarfout.c: Include debug.h.
8179 (dwarf_debug_hooks): New.
8180 (dwarfout_init): Make static.
8181 (dwarfout_finish): Make static, take 2 args.
8182 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
8183 * sdbout.c: Include debug.h.
8184 (sdb_debug_hooks): New.
8185 (sdbout_init): Make static, take 2 args.
8186 * sdbout.h (sdbout_init): Delete.
8187 * toplev.c: Include debug.h.
8189 (compile_file): Set deubg_hooks based on command line options.
8190 Use the hooks unconditionally rather than conditional compilation.
8192 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
8194 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
8195 first_insn_after_basic_block_note instead.
8197 * df.c (df_bb_refs_unlink): #if 0 out for now.
8199 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
8201 * ssa.h: Add prototype for ssa_const_prop
8202 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
8203 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
8204 (ssa_fast_dce): Remove unused variable
8206 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8208 * diagnostic.c (finish_diagnostic): Rename to
8209 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
8212 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
8214 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
8217 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
8218 (dump_file): Only pad the demangled name with spaces if the
8219 mangled name was padded with spaces.
8221 2001-07-10 Bernd Schmidt <bernds@redhat.com>
8223 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
8226 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8228 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
8229 extraction if no direct load if either EXPAND_CONST_ADDRESS or
8232 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
8233 whether can put offset inside LO_SUM to check mode alignment, not size.
8235 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8237 * doc/tm.texi (Misc): Fix thinko.
8239 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
8241 * regmove.c (replace_in_call_usage): Fix warnings.
8242 * sched-deps.c (add_dependence): Fix warnings.
8243 * simplify-rtx.c (simplify_subreg): Likewise.
8244 Return NULL_RTX instead of NULL.
8246 * reg-stack.c (emit_swap_insn): Eliminate warnings.
8247 (subst_asm_stack_regs): Likewise.
8249 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
8252 * dwarf2out.c (output_call_frame_info): Declare i as int.
8253 (build_abbrev_table): Declare n_alloc as int.
8254 (dwarf2out_finish): Initialize die.
8255 * except.c: Declare sjlj_funcdef_number as unsigned.
8256 (connect_post_landing_pads): Declare j as unsigned.
8257 (convert_to_eh_region_ranges): Initialize call_site.
8258 (output_function_exception_table): Initialize tt_format_size.
8259 * expr.c (move_by_pieces_1): Initialize to1.
8260 (store_constructor): Initialize minelt and maxelt.
8261 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
8262 * function.c (instantiate_decls): Avoid signed/unsigned warning.
8264 * c-decl.c (combine_parm_decls): Unused, remove.
8265 * c-tree.h: Remove prototype for combine_parm_decls.
8267 * reload.c (push_reload): Fix warning.
8268 (regno_clobbered_p): Likewise.
8269 * reload1.c (replace_pseudos_in_call_usage): Likewise.
8270 (reload_combine): Likewise.
8272 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
8273 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
8275 * bitmap.c (bitmap_operation): Change user.
8276 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
8278 2001-07-10 Eric Christopher <echristo@redhat.com>
8280 * config/mips/mips.c (override_options): Fix typo.
8282 2001-07-09 Stan Shebs <shebs@apple.com>
8284 * target.h (struct gcc_target): New fields init_builtins and
8286 * target-def.h (TARGET_INIT_BUILTINS): New macro.
8287 (TARGET_EXPAND_BUILTIN): New macro.
8288 (TARGET_INITIALIZER): Add them.
8289 * builtins.c: Include target.h.
8290 (expand_builtin): Use targetm.expand_builtin.
8291 (default_init_builtins): New function.
8292 (default_expand_builtin): New function.
8293 * expr.h (default_init_builtins): Declare.
8294 (default_expand_builtin): Declare.
8295 * c-common.c (c_common_nodes_and_builtins): Use
8296 targetm.init_builtins.
8297 * defaults.h (MD_INIT_BUILTINS): Remove.
8298 * Makefile.in (builtins.o): Depend on target.h.
8300 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
8301 (TARGET_EXPAND_BUILTIN): Define.
8302 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
8303 (MD_EXPAND_BUILTIN): Remove.
8305 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
8306 (TARGET_EXPAND_BUILTIN): Define.
8307 (c4x_init_builtins): Make endlink arg a local.
8308 (c4x_print_operand): Fix typos in adjust_address usages.
8309 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
8310 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
8311 (MD_EXPAND_BUILTIN): Remove.
8313 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
8314 (TARGET_EXPAND_BUILTIN): Define.
8315 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
8316 (ix86_init_builtins): Call new function only if TARGET_MMX.
8317 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
8318 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
8319 (MD_EXPAND_BUILTIN): Remove.
8321 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
8322 (TARGET_EXPAND_BUILTIN): Define.
8323 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
8324 (MD_EXPAND_BUILTIN): Remove.
8326 * doc/tm.texi: Document these changes.
8328 2001-07-09 Diego Novillo <dnovillo@redhat.com>
8330 * basic-block.h (tree_node): Forward declare if needed.
8331 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
8332 (BLOCK_HEAD_TREE): Define.
8333 (BLOCK_END_TREE): Define.
8334 (struct loops): Rename field 'tree' to 'tree_root'.
8335 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
8337 (flow_loops_tree_build): Rename reference to field 'tree' to
8339 (flow_loops_level_compute): Ditto.
8340 * predict.c (estimate_bb_frequencies): Ditto.
8341 * tree.h (struct tree_common): Add field 'aux'.
8343 2001-07-09 Stan Shebs <shebs@apple.com>
8345 * config/darwin.c (darwin_encode_section_info): Don't mark any
8346 DECL_EXTERNAL node as defined.
8348 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
8350 * pa.c (pa_init_machine_status, pa_mark_machine_status,
8351 pa_free_machine_status, hppa_init_pic_save): Delete.
8352 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
8353 (hppa_profile_hook): Use hppa_pic_save_rtx.
8354 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
8355 hppa_init_pic_save): Delete.
8356 (hppa_pic_save_rtx): Declare.
8357 * pa.md (call, call_value, sibcall, sibcall_value,
8358 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
8360 2001-07-09 Kazu Hirata <kazu@hxi.com>
8362 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
8363 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
8365 2001-07-09 Andreas Jaeger <aj@suse.de>
8367 * output.h: Add declaration of final_forward_branch_p.
8369 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
8371 * varray.c: Include errors.h for internal_error and trim_filename
8374 * Makefile.in (varray.o): Add errors.h.
8376 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
8378 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
8379 * optabs.c (have_add2_insn): Check whether the add insn chosen
8380 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
8381 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
8383 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
8385 * Makefile.in (OBJS): Add ssa-ccp.o
8386 (ssa-ccp.o): Add dependencies.
8387 * toplev.c (DFI_ssa_ccp): New dump file enum.
8388 (dump_file): Add entry for dumping after SSA CCP.
8389 (flag_ssa_ccp): New flag variable.
8390 (f_options): Add -fssa-ccp.
8391 (rest_of_compilation): Run SSA CCP if requested.
8392 * timevar.def (TV_SSA_CCP): New timevar.
8393 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
8394 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
8395 Fix minor typo in SSA DCE documentation.
8396 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
8397 Add documentation for new dump option. Renumber dump files
8400 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8402 * emit-rtl.c (gen_highpart_mode): New.
8403 * rtl.h (gen_highpart_mode): Declare.
8404 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
8405 operand can be VOIDmode constant.
8407 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
8409 * flow.c (redirect_edge_and_branch_force): New.
8410 (can_fallthru): Ensure that basic blocks are succeeding.
8411 (try_optimize_cfg): Do not delete basic block if it is the last one.
8413 * flow.c (try_redirect_by_replacing_jump): Do not remove
8414 jumps with side effects, unlink chain on fallthru edge;
8415 set block for new jump instruction; avoid basic block to
8416 over by line number note.
8418 * flow.c (try_simplify_condjump): Verify that the condjump
8419 is not always falling trought.
8422 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8424 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8425 (try_redirect_by_replacing_jump): Update properly the count
8426 and frequency information.
8428 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8430 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8431 address that is a LO_SUM specially.
8432 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8434 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8436 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8437 (operand_subword): Use them.
8438 (change_address_1): Renamed from change_address; new arg VALIDATE.
8439 * expr.h: Reflect above changes; change_address now macro.
8440 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8442 * cselib.c (add_mem_for_addr): Likewise.
8443 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8444 * regmove.c (try_apply_stack_adjustment): Likewise.
8445 * reload.c (push_reload, make_memloc): Likewise.
8446 * reload1.c (eliminate_regs): Likewise.
8447 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8448 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8450 * combine.c (make_extraction, simplify_shift_const): Likewise.
8451 (gen_lowpart_for_combine): Likewise.
8452 * cse.c (gen_lowpart_if_possible): Likewise.
8453 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8454 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8455 * optabs.c (gen_move_insn): Likewise.
8456 * reload1.c (alter_reg): Likewise.
8457 * simplify-rtx.c (simplify_subreg): Likewise.
8458 * stmt.c (expand_anon_union_decl): Likewise.
8459 * recog.c (validate_replace_rtx_1): Likewise.
8461 * Makefile.in (recog.o): Add $(EXPR_H).
8462 * explow.c (stabilize): Call replace_equiv_address.
8463 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8464 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
8466 2001-07-03 Andrew Haley <aph@redhat.com>
8468 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
8469 the mode of the memory location.
8471 2001-07-09 Bo Thorsen <bo@suse.co.uk>
8473 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
8475 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
8477 * final.c (output_addr_const): Use target opening and
8478 closing parentheses.
8479 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
8480 defaults, add to TARGET_ASM_OUT.
8481 * target.h (struct gcc_target): Add open_paren and close_paren.
8482 * doc/md.texi: Update.
8483 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8484 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8485 TARGET_ASM_CLOSE_PAREN.
8486 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8488 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8490 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
8491 * config/a29k/a29k.h: Similarly.
8492 * config/alpha/alpha.h: Similarly.
8493 * config/arc/arc.h: Similarly.
8494 * config/arm/aof.h: Similarly.
8495 * config/arm/aout.h: Similarly.
8496 * config/avr/avr.h: Similarly.
8497 * config/c4x/c4x.h: Similarly.
8498 * config/clipper/clipper.h: Similarly.
8499 * config/convex/convex.h: Similarly.
8500 * config/d30v/d30v.h: Similarly.
8501 * config/dsp16xx/dsp16xx.h: Similarly.
8502 * config/elxsi/elxsi.h: Similarly.
8503 * config/fr30/fr30.h: Similarly.
8504 * config/h8300/h8300.h: Similarly.
8505 * config/i370/i370.h: Similarly.
8506 * config/i386/i386.h: Similarly.
8507 * config/i860/i860.h: Similarly.
8508 * config/i960/i960.h: Similarly.
8509 * config/ia64/ia64.h: Similarly.
8510 * config/m32r/m32r.h: Similarly.
8511 * config/m68hc11/m68hc11.h: Similarly.
8512 * config/m68k/m68k.h: Similarly.
8513 * config/m88k/m88k.h: Similarly.
8514 * config/mcore/mcore.h: Similarly.
8515 * config/mips/mips.h: Similarly.
8516 * config/mn10200/mn10200.h: Similarly.
8517 * config/mn10300/mn10300.h: Similarly.
8518 * config/ns32k/ns32k.h: Similarly.
8519 * config/pa/pa.h: Similarly.
8520 * config/pdp11/pdp11.h: Similarly.
8521 * config/pj/pj.h: Similarly.
8522 * config/romp/romp.h: Similarly.
8523 * config/rs6000/rs6000.h: Similarly.
8524 * config/sh/sh.h: Similarly.
8525 * config/sparc/sparc.h: Similarly.
8526 * config/v850/v850.h: Similarly.
8527 * config/vax/vax.h: Similarly.
8528 * config/we32k/we32k.h: Similarly.
8530 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8532 * doc/c-tree.texi: Document representation of attributes.
8534 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8536 * doc/tm.texi: Update some places for the rename of target to
8539 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8541 * target.h (struct gcc_target): Add insert_attributes.
8542 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8543 (TARGET_INITIALIZER): Update.
8544 * tree.c, tree.h (default_insert_attributes): New function.
8545 Update comments on other default functions to refer to targetm,
8547 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8548 TARGET_INSERT_ATTRIBUTES.
8549 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8550 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8551 Don't use PRAGMA_INSERT_ATTRIBUTES.
8552 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8553 * c-decl.c (start_decl, start_function): Don't call
8554 SET_DEFAULT_DECL_ATTRIBUTES.
8555 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8556 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8558 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8559 (c4x_check_attribute): Avoid modifying attribute list itself.
8560 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8562 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8563 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8565 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8566 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8568 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8569 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8571 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8572 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8573 Adjust parameters. Make static.
8575 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8577 * c-common.c (decl_attributes): Only take a single attributes
8579 * c-common.h (decl_attributes): Update prototype.
8580 * c-decl.c (start_decl, start_function): Only take a single
8581 attributes parameter. Update calls to decl_attributes.
8582 (finish_struct, finish_enum): Update calls to decl_attributes.
8583 (push_parm_decl): Expect unified list of attributes. Update call
8585 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8586 notype_nested_function, component_declarator,
8587 component_notype_declarator, label): Update calls to
8589 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8590 lists that are passed to push_parm_decl.
8591 * c-tree.h (start_function, start_decl): Update prototypes.
8592 * config/sh/sh-protos.h, config/sh/sh.c
8593 (sh_pragma_insert_attributes): Only take a single attributes
8595 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8596 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8597 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8598 build_module_descriptor, generate_static_references,
8599 generate_strings, build_selector_translation_table,
8600 generate_descriptor_table, generate_protocols,
8601 generate_ivars_list, generate_dispatch_table,
8602 generate_protocol_list, generate_category,
8603 generate_shared_structures, really_start_method, add_objc_decls,
8604 generate_classref_translation_entry): Update calls to start_decl
8606 (build_tmp_function_decl, start_method_def): Unify attribute lists
8607 that are passed to push_parm_decl.
8609 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8611 * final.c (no_asm_to_stream): New.
8612 (final_scan_insn): Use target structures for prologue ends
8613 and epilogue starts.
8614 * output.h (no_asm_to_stream): New.
8615 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8616 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8617 (TARGET_ASM_OUT): Update.
8618 * target.h (struct gcc_target): New members function_end_prologue
8619 and function_begin_epilogue.
8620 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8621 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8622 * config/alpha/alpha.c (output_end_prologue): Rename to
8623 alpha_output_function_end_prologue. Use in target struct
8625 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8626 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8627 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8628 ia64_output_function_end_prologue. Use in target struct
8630 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8631 mistyped prototypes.
8632 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8633 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8635 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8636 an use in target struct, make static.
8637 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8640 2001-07-08 Richard Henderson <rth@redhat.com>
8642 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8644 2001-07-08 Richard Henderson <rth@redhat.com>
8646 * config/i386/i386.md: Remove constraints strings from define_split
8647 and define_peephole2 patterns.
8648 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8649 (eh_return): Use them.
8651 2001-07-08 Richard Henderson <rth@redhat.com>
8653 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8654 Document MD_FALLBACK_FRAME_STATE_FOR.
8656 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8658 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8659 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8661 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8663 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8665 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8666 of the label inside NAME as opposed to just the end of NAME.
8668 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8670 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8671 * config/alpha/alpha.c (alpha_init_machine_status,
8672 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8673 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8674 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8675 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8677 2001-07-06 Stan Shebs <shebs@apple.com>
8679 * target.h (targetm): Rename global from "target", so as not to
8680 conflict with local variables.
8682 * c-typeck.c: Ditto.
8686 * cp/decl2.c: Ditto.
8687 * cp/typeck.c: Ditto.
8688 * 1750a/1750a.c: Ditto.
8689 * a29k/a29k.c: Ditto.
8693 * clipper/clipper.c: Ditto.
8694 * convex/convex.c: Ditto.
8695 * d30v/d30v.c: Ditto.
8696 * dsp16xx/dsp16xx.c: Ditto.
8697 * elxsi/elxsi.c: Ditto.
8698 * fr30/fr30.c: Ditto.
8699 * h8300/h8300.c: Ditto.
8700 * i370/i370.c: Ditto.
8701 * i386/i386.c: Ditto.
8702 * i860/i860.c: Ditto.
8703 * i960/i960.c: Ditto.
8704 * ia64/ia64.c: Ditto.
8705 * m32r/m32r.c: Ditto.
8706 * m68hc11/m68hc11.c: Ditto.
8707 * m68k/m68k.c: Ditto.
8708 * m88k/m88k.c: Ditto.
8709 * mips/mips.c: Ditto.
8710 * ns32k/ns32k.c: Ditto.
8712 * pdp11/pdp11.c: Ditto.
8713 * romp/romp.c: Ditto.
8714 * rs6000/rs6000.c: Ditto.
8716 * sparc/sparc.c: Ditto.
8718 * we32k/we32k.c: Ditto.
8719 * doc/tm.texi: Update the manual to match.
8721 2001-07-06 Richard Henderson <rth@redhat.com>
8723 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8724 DWARF2_UNWIND_INFO not just whether it is defined.
8726 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8728 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8729 call to simplify_binary_operation returns a new pattern.
8731 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8733 * glimits.h (__SHRT_MAX__): New.
8734 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8735 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8737 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8739 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8742 2001-07-06 Richard Henderson <rth@redhat.com>
8744 * bitmap.c (bitmap_release_memory): Move adjacent to the
8745 allocation functions.
8746 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8747 the implementation. Binary search for the set bit.
8748 (bitmap_union_of_diff): Allocate the temporary on the stack
8749 instead of using xmalloc.
8751 2001-07-06 Richard Henderson <rth@redhat.com>
8753 * genrecog.c (validate_pattern): Warn for constraints in
8754 define_{expand,split,peephole2}. Remove strict_low_part
8755 before looking up match_dup.
8757 2001-07-06 DJ Delorie <dj@redhat.com>
8759 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8760 chapter about various build hints and history. Add section
8761 talking about the various types of native and cross builds.
8763 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8765 * Makefile.in (final.o): Depend on target.h.
8766 * final.c: Include target.h.
8767 (default_function_pro_epilogue): New.
8768 (final_start_function): Use target structure for function prologues.
8769 (final_end_function): Use target structure for function epilogues.
8770 * fold-const.c (real_hex_to_f): Constify s and p.
8771 * output.h (default_function_pro_epilogue): New.
8772 * real.h (real_hex_to_f): Update prototype.
8773 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8774 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8775 (TARGET_INITIALIZER): Update.
8776 * target.h (gcc_target): Add struct asm_out.
8777 * doc/tm.texi: Update.
8780 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8781 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8782 in cpu/cpu.c, or rename old functions consistently. Take
8783 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8784 redundant macros and prototypes. Make new functions static.
8786 * 1750a/1750a.c: Similarly.
8787 * 1750a/1750a.h: Similarly.
8788 * a29k/a29k-protos.h: Similarly.
8789 * a29k/a29k.c: Similarly.
8790 * a29k/a29k.h: Similarly.
8791 * arc/arc-protos.h: Similarly.
8792 * arc/arc.c: Similarly.
8793 * arc/arc.h: Similarly.
8794 * arm/arm-protos.h: Similarly.
8795 * arm/arm.c: Similarly.
8796 * arm/arm.h: Similarly.
8797 * avr/avr-protos.h: Similarly.
8798 * avr/avr.c: Similarly.
8799 * avr/avr.h: Similarly.
8800 * clipper/clipper-protos.h: Similarly.
8801 * clipper/clipper.c: Similarly.
8802 * clipper/clipper.h: Similarly.
8803 * convex/convex.c: Similarly.
8804 * convex/convex.h: Similarly.
8805 * d30v/d30v-protos.h: Similarly.
8806 * d30v/d30v.c: Similarly.
8807 * d30v/d30v.h: Similarly.
8808 * d30v/d30v.md: Similarly.
8809 * dsp16xx/dsp16xx-protos.h: Similarly.
8810 * dsp16xx/dsp16xx.c: Similarly.
8811 * dsp16xx/dsp16xx.h: Similarly.
8812 * elxsi/elxsi.c: Similarly.
8813 * elxsi/elxsi.h: Similarly.
8814 * fr30/fr30.c: Similarly.
8815 * fr30/fr30.md: Similarly.
8816 * h8300/h8300-protos.h: Similarly.
8817 * h8300/h8300.c: Similarly.
8818 * h8300/h8300.h: Similarly.
8819 * i370/i370-protos.h: Similarly.
8820 * i370/i370.c: Similarly.
8821 * i370/i370.h: Similarly.
8822 * i386/i386.c: Similarly.
8823 * i386/osf1elf.h: Similarly.
8824 * i386/osfrose.h: Similarly.
8825 * i860/i860-protos.h: Similarly.
8826 * i860/i860.c: Similarly.
8827 * i860/i860.h: Similarly.
8828 * i960/i960-protos.h: Similarly.
8829 * i960/i960.c: Similarly.
8830 * i960/i960.h: Similarly.
8831 * ia64/ia64-protos.h: Similarly.
8832 * ia64/ia64.c: Similarly.
8833 * ia64/ia64.h: Similarly.
8834 * m32r/m32r-protos.h: Similarly.
8835 * m32r/m32r.c: Similarly.
8836 * m32r/m32r.h: Similarly.
8837 * m68hc11/m68hc11-protos.h: Similarly.
8838 * m68hc11/m68hc11.c: Similarly.
8839 * m68hc11/m68hc11.h: Similarly.
8840 * m68k/crds.h: Similarly.
8841 * m68k/dpx2.h: Similarly.
8842 * m68k/m68k-protos.h: Similarly.
8843 * m68k/m68k.c: Similarly.
8844 * m68k/m68k.h: Similarly.
8845 * m68k/news.h: Similarly.
8846 * m88k/m88k-protos.h: Similarly.
8847 * m88k/m88k.c: Similarly.
8848 * m88k/m88k.h: Similarly.
8849 * mips/mips-protos.h: Similarly.
8850 * mips/mips.c: Similarly.
8851 * mips/mips.h: Similarly.
8852 * ns32k/merlin.h: Similarly.
8853 * ns32k/ns32k.c: Similarly.
8854 * ns32k/ns32k.h: Similarly.
8855 * ns32k/tek6000.h: Similarly.
8856 * pa/pa-protos.h: Similarly.
8857 * pa/pa.c: Similarly.
8858 * pa/pa.h: Similarly.
8859 * pdp11/2bsd.h: Similarly.
8860 * pdp11/pdp11-protos.h: Similarly.
8861 * pdp11/pdp11.c: Similarly.
8862 * pdp11/pdp11.h: Similarly.
8863 * romp/romp-protos.h: Similarly.
8864 * romp/romp.c: Similarly.
8865 * romp/romp.h: Similarly.
8866 * rs6000/rs6000-protos.h: Similarly.
8867 * rs6000/rs6000.c: Similarly.
8868 * rs6000/rs6000.h: Similarly.
8869 * rs6000/sysv4.h: Similarly.
8870 * sh/sh-protos.h: Similarly.
8871 * sh/sh.c: Similarly.
8872 * sh/sh.h: Similarly.
8873 * sparc/sparc-protos.h: Similarly.
8874 * sparc/sparc.c: Similarly.
8875 * sparc/sparc.h: Similarly.
8876 * vax/vax.c: Similarly.
8877 * vax/vax.h: Similarly.
8878 * vax/vms.h: Similarly.
8879 * we32k/we32k.c: Similarly.
8880 * we32k/we32k.h: Similarly.
8882 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8884 * basic-block.h (first_insn_after_basic_block_note): Declare.
8885 * flow.c (first_insn_after_basic_block_note): Define. Moved
8887 * ssa.c (first_insn_after_basic_block_note): Remove.
8888 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8890 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8891 nodes when we find a dead conditional branch. Insert BARRIERs
8892 after any blocks with no successors, but which do not have
8895 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8897 * varray.c (varray_check_failed): Use internal_error.
8899 2001-07-05 Andrew Haley <aph@redhat.com>
8901 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8902 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8903 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8905 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8907 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8908 reference if the target constant is also a SYMBOL_REF.
8910 2001-07-05 Eric Christopher <echristo@redhat.com>
8912 * config/mips/mips.h (MASK_MIPS3900): Remove.
8913 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8914 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8915 (TARGET_MIPS3900): Change to use mips_arch.
8916 (TARGET_MIPS4000): New.
8917 (TARGET_MIPS4100): New.
8918 (TARGET_MIPS4300): New.
8919 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8920 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8922 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8923 (ISA_HAS_BRANCHLIKELY): To here.
8924 (CC1_CPU_SPEC): New.
8925 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8926 (mips_arch_string): Declare.
8927 (mips_arch): Declare.
8928 (TARGET_OPTIONS): Add -march and -mtune.
8930 * config/mips/mips.c (mips_arch_string): New.
8932 (override_options): Handle -march for codegen and -mtune
8933 for scheduling. Use mips_arch. Move tx39 target default here.
8934 (mips_parse_cpu): Move error message to override_options.
8936 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8938 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8940 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8941 (MIPS Options): Ditto. Change mcpu entry to historical text.
8943 2001-07-05 H.J. Lu (hjl@gnu.org)
8945 * config/mips/mips.c (mips_parse_cpu): New function to parse
8948 2001-07-05 Jim Wilson <wilson@redhat.com>
8950 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8951 * config/ia64/t-ia64: Likewise.
8952 (LIB1ASMFUNCS): Update comment.
8954 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8956 * doc/install.texi (Install GCC: Binaries): Fix typo.
8958 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8960 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8961 reference using the stack pointer, adjust it since we push Y
8963 ("*ashrsi3"): Likewise.
8964 ("*lshrsi3"): Likewise.
8966 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8968 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8969 when -fomit-frame-pointer is used.
8971 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8973 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8974 (try_redirect_by_replacing_jump): Reverse updating properly the
8975 count and frequency information. Reverse removing cc0 setter.
8976 (forwarder_block_p): Reverse fixing for fallthru blocks.
8978 2001-07-05 DJ Delorie <dj@redhat.com>
8980 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8981 (translate_options): If the above is defined, use it to map
8982 given options to new options.
8983 * doc/tm.texi: Document it.
8985 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8986 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8988 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8989 cause programs using computed gotos to run more slowly.
8991 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8993 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8995 Consistently require binutils 2.11.2, not prereleases.
8996 (Specific, decstation-*): Canonicalize as mips-dec-*.
8997 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8999 (Specific, m68k-altos): Removed reference to README.altos, deleted.
9000 (Specific, mips-*): Reword MIPS C compiler requirements.
9001 (Specific, powerpc*-*-*): New, mention --with-cpu once.
9002 (Specific, sunv5): Removed, obsolete.
9004 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
9006 * dwarf2out.c (output_loc_list): Use an all ones mask for
9007 .text asm output and don't rely on long long
9008 literals. Reformat some long lines.
9010 2001-07-05 Andreas Jaeger <aj@suse.de>
9012 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
9015 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9017 * dwarf2out.c (dwarf2out_define): Update comment.
9018 (dwarf2out_undef): Ditto.
9019 (dwarf2out_start_source_file): Ditto.
9020 (dwarf2out_end_source_file): Ditto.
9021 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
9022 since we never call the start/end debug hook for the primary file.
9024 2001-07-04 Kazu Hirata <kazu@hxi.com>
9026 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
9029 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9031 * cppinit.c (remove_dup_dirs): Inform if a system include
9032 directory is being reordered.
9033 * doc/invoke.texi (Directory Options): GCC warns if you hide a
9035 * doc/cpp.texi (Search Paths): Likewise.
9036 * doc/gcc.texi (Interoperation): Remove information about
9039 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9041 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
9042 (VARRAY_TOP_CHAR_PTR): Likewise.
9044 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9046 * gcc.c (process_command): Don't assign elements of a const char*.
9048 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9050 * emit-rtl.c (change_address): Don't abort if invalid address while
9051 reload is in progress.
9053 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9055 * c-lex.c (cb_file_change): Pass line number to
9056 debug_start_source_file.
9057 (cb_undefine): Pass correct line number to debug_undef.
9059 * toplev.c (debug_start_source_file): Add line number to
9060 parameters. Pass it along to dwarf2out_start_source_file.
9061 (decode_g_option): Stop resetting debug level back to normal when
9062 we change debug formats, unless the current level is
9063 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
9066 * toplev.h (debug_start_source_file): Add line number to
9069 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
9072 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
9074 Output debug_macinfo data for starting file if requested.
9075 (dwarf2out_end_source_file): Output debug_macinfo data for ending
9077 (dwarf2out_define): Output debug_macinfo data for defining a macro
9079 (dwarf2out_undef): Output debug_macinfo data for undefining a
9081 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
9082 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
9083 (macinfo_section_label): New. DWARF2 macro info section label.
9084 (dwarf2out_init): If we want macro info, output the start label
9086 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
9087 attribute to the compilation unit die pointing to the macro info.
9089 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9091 * dwarf2out.c (new_loc_list): Move to inside #ifdef
9092 DWARF2_DEBUGGING_INFO.
9093 (add_loc_descr_to_loc_list): Ditto.
9094 (output_loc_list): Ditto.
9095 Also, fix thinko in curr not being initialized.
9096 (gen_internal_sym): Ditto.
9098 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9100 * emit-rtl.c (replace_equiv_address): New function.
9101 * expr.h (replace_equiv_address): New declaration.
9102 * explow.c (validize_mem): Call it instead of change_address and
9103 also call if -fforce-addr and address is constant.
9104 * expr.c: Replace more calls to change_address with adjust_address
9105 and/or replace_equiv_address or to validize_mem.
9106 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
9107 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
9108 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9109 * config/i370/i370.md, config/i860/i860.md: Likewise.
9110 * config/i960/i960.md, config/mips/mips.c: Likewise.
9111 * config/mips/mips.md, config/pa/pa.md: Likewise.
9112 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
9113 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
9115 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9117 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
9119 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
9122 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
9124 * doc/include: New directory.
9125 * doc/fdl.texi: Move to doc/include/fdl.texi.
9126 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
9127 * doc/include/funding.texi, doc/include/gpl.texi: New files.
9128 * doc/gcc.texi: Use funding.texi and gpl.texi.
9129 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
9130 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
9131 Update dependencies and use -I $(docdir)/include.
9133 2001-07-04 Anthony Green <green@redhat.com>
9135 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
9137 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9139 * doc/install.texi (sparc64-*-*): Remove garbage.
9141 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
9143 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
9144 Fix typo in last change to use adjust_address.
9146 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9148 * doc/install.texi (Specific): Update information for *-*-solaris*.
9150 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9152 * explow.c (plus_constant_wide): Reinitialize Y for restart.
9154 2001-07-03 Stan Shebs <shebs@apple.com>
9156 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
9157 case for flag_no_mach_text_sections.
9158 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
9159 * config/darwin.c (flag_no_mach_text_sections): Remove.
9160 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
9162 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9164 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
9165 and avoid checking for constant as first operand.
9166 * recog.c (find_constant_term_loc): No longer static.
9167 (adj_offettable_operand): Delete.
9168 * rtl.h (adj_offsettable_operand): Delete declaration.
9169 (find_constant_term): Add declaration.
9170 * caller-save.c: Replace calls to adj_offsettable_operand with calls
9172 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
9173 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
9174 * config/i386/i386.c, config/i386/i386.md: Likewise.
9175 * config/i860/i860.c, config/i960/i960.c: Likewise.
9176 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
9177 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
9178 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
9179 * config/mips/mips.c, config/mips/mips.md: Likewise.
9180 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
9181 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
9182 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
9183 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
9184 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
9185 * config/ns32k/ns32k.md: Likewise.
9187 2001-07-03 Zack Weinberg <zackw@stanford.edu>
9189 * rtl.c (copy_rtx): Handle 'T' format letter.
9190 * gensupport.c (collect_insn_data): Likewise.
9191 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
9193 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
9195 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
9196 -B option. Use 'dir' not 'foo' as example directory name.
9198 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9200 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9201 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
9203 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9205 * doc/cppinternals.texi: Improve formatting and logical markup.
9207 2001-07-03 Andreas Jaeger <aj@suse.de>
9209 * Makefile.in (insn-recog.o): Add dependency on reload.h.
9211 * genrecog.c (write_header): Include reload.h for prototypes in
9214 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
9217 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
9218 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9219 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
9220 i386_pe_valid_type_attribute_p): Add.
9221 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
9222 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
9224 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9226 * explow.c (plus_constant_wide, case LO_SUM): New case.
9227 (plus_constant_for_output_wide): Delete.
9228 * rtl.h (plus_constant_for_output): Delete.
9229 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
9230 instead of plus_constant_for_output.
9231 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
9232 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
9233 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
9234 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
9235 * config/sparc/sparc.md: Likewise.
9236 Convert some change_address calls to adjust_address.
9238 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9240 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
9241 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
9242 documentation of -std and -Wwrite-strings.
9244 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9246 * cse.c (canon_hash): Don't register registers in very small
9247 register classes, as extending their lifetime might cause
9250 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
9252 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
9254 * flow.c (forwarder_block_p): Fix for fallthru blocks.
9255 (try_redirect_by_replacing_jump): Update properly the count
9256 and frequency information.
9258 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
9260 * toplev.c (dump_file_index): Move SSA dumps just after first
9262 (dump_file): Corresponding changes.
9263 (rest_of_compilation): Move SSA path to just after the first
9265 * doc/gcc.texi (Passes): Update due to movement of SSA path.
9266 * doc/invoke.texi: Update dump file #s as they were completely
9267 out of date with reality.
9269 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9271 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
9273 * expr.c (emit_move_insn_1): Deal with non-default
9276 * expr.c (emit_single_push_insn): Fix warning.
9278 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
9280 * expr.c (emit_move_insn_1): Avoid modifying
9281 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
9283 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9285 * emit-rtl.c (adjust_address): New function.
9286 * expr.h (adjust_address): Add declaration.
9287 * builtins.c: Replace some calls to change_address with calls to it
9289 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
9290 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
9291 * config/arm/arm.c, config/convex/convex.c: Likewise.
9292 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9293 * config/i386/i386.c, config/i386/i386.md: Likewise.
9294 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
9295 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
9296 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
9297 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
9298 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
9300 2001-07-02 Jim Wilson <wilson@redhat.com>
9302 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
9304 2001-07-02 Steve Ellcey <sje@cup.hp.com>
9306 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
9307 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
9309 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9311 * cppinit.c (lang_defaults): New table.
9312 (set_lang): Just read from lang_defaults into the live options
9315 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9317 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
9318 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
9319 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
9321 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9323 * doc/install.texi: Various spelling and markup fixes.
9324 (Installing GCC): Component specific installation instructions are
9327 Warn about removing old install dir in the presence of shared libs.
9328 (Configuration): Invoke with options target to match configure
9330 Consistently refer to gas, gld pathnames.
9331 Invert --enable-multilib documentation.
9332 Remove references to old compiler versions.
9334 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9336 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
9338 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9340 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
9342 (Specific, mips*-sgi-irix5): Note IDO download.
9343 Reworded MIPS C hints.
9344 Use GNU as instead of GAS.
9346 Removed SGI Freeware reference, IRIX 6 only.
9347 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
9348 Note N64 library requirement/workaround.
9350 Complete list of structure passing bug victims.
9352 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9354 * doc/install.texi: Remove CVS Id.
9356 2001-07-02 Andreas Jaeger <aj@suse.de>
9358 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
9359 (find_inherently_necessary): Remove unused variable.
9361 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
9363 * c-common.h (TDI_inlined): New ast dump phase.
9364 (dump_flag_name): New function.
9365 * c-dump.c (dump_files): Add inlined phase.
9366 (dump_flag_name): Define.
9367 * doc/invoke.texi (-fdump-ast-inlined): Document.
9369 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9371 * stor-layout.c (layout_decl): Revert change to handling of alignment
9374 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9376 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
9379 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
9381 * doc/tm.texi (FUNCTION_ARG): Document that the last call
9384 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
9386 * tlink.c (recompile_files): Remove COMPILER_PATH and
9387 LIBRARY_PATH from the environment.
9389 2001-07-01 Zack Weinberg <zackw@stanford.edu>
9391 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
9392 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
9394 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
9396 * c-parse.in (OBJC_STRING): Kill.
9397 (objc_string): Decompose to [objc_string] '@' STRING.
9398 (reswords): Take the leading '@' off all the Objective C keywords.
9399 (objc_rid_sans_at): Kill.
9400 (init_reswords): Don't initialize it.
9401 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
9402 (_yylex): Kill reconsider label. Look ahead one token after
9403 an '@'; if we get an identifier, check whether it's an
9404 Objective C @-keyword. If so, return the keyword. Otherwise,
9405 put back the token and return the '@' as a terminal.
9407 * cpplib.c (lex_macro_node): Remove unnecessary check for
9408 leading '@' on identifier. Clarify control flow and commentary.
9410 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9412 * cse.c (new_label_ref): Variable deleted.
9413 (insert): Remove set of new_label_ref.
9414 (check_for_label_ref): New function.
9415 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
9417 See ChangeLog.5 for earlier changes.