1 2001-09-28 Richard Henderson <rth@redhat.com>
3 * varasm.c (assemble_integer): Bound alignment check by
6 * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
8 2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10 * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
12 2001-09-25 Bernd Schmidt <bernds@redhat.com>
14 Mostly from Graham Stott <grahams@redhat.com>
15 * c-common.c (type_for_mode): Add support for V2SFmode.
16 * tree.c (build_common_tree_nodes_2): Likewise.
17 * tree.h (enum tree_index, global_trees): Likewise.
18 * config/i386/i386.c (x86_3dnow_a): New variable.
19 (override_options): Support 3Dnow extensions.
20 (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
21 Athlon's version of 3Dnow.
22 (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
23 (ix86_expand_builtin): Handle them.
24 (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
25 * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
26 TARGET_3DNOW_A): New macros.
27 (TARGET_SWITCHES): Add 3Dnow switches.
28 (VALID_MMX_REG_MODE_3DNOW): New macro.
29 (VECTOR_MODE_SUPPORTED_P): Use it.
30 (enum ix86_builtins): Add entries for 3Dnow builtins.
31 * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
32 pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
33 pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
34 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
35 pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
36 pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
37 (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
38 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
39 mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
40 sfence_insn, prefetch): Make these available if TARGET_SSE or
43 Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz>
45 * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
46 ix86_va_start, ix86_build_va_list): Declare.
47 * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
48 ix86_va_start, ix86_build_va_list): New global functions.
49 * i386.md (sse_prologue_save_insn): New insn.
50 (sse_prologue_save): New expander.
51 * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
52 BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
54 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
56 * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
57 Use size_t everywhere, make definitions consistent with
60 Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz>
62 * gcse.c (replace_store_insn): Use delete_insn.
63 * loop.c (move_movables): Likewise; avoid delete_insn
64 from clobbering notes moved elsewhere.
65 (check_dbra_loop): Use delete_insn.
66 * ssa.c (convert_from_ssa): Likewise.
67 * cse.c (cse_insn): Use delete_insn.
69 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
71 * cpphash.h (struct cpp_buff): Make unsigned.
72 (_cpp_get_buff): Take length of size_t.
73 (_cpp_unaligned_alloc): New.
74 (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
75 (struct cpp_reader): Remove ident_pool. Add u_buff.
76 * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
77 (cpp_destroy): Destroy u_buff, not ident_pool.
78 * cpplex.c (parse_number, parse_string, save_comment,
79 cpp_token_as_text): Update to use the unaligned buffer.
80 (new_buff): Make unsigned.
81 (_cpp_unaligned_alloc): New.
82 * cpplib.c (glue_header_name): Update to use the unaligned buffer.
83 * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
85 (collect_args): Make unsigned.
87 2001-09-27 Zack Weinberg <zack@codesourcery.com>
89 * cpplex.c (cpp_output_token): Use a putc loop for
90 SPELL_OPERATOR, and fwrite for SPELL_IDENT.
92 * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
93 * configure, config.in: Regenerate.
94 * system.h: Replace fwrite and fprintf with their unlocked
95 variants if available.
97 2001-09-27 Richard Henderson <rth@redhat.com>
99 * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
100 in favour of .eh_frame.
102 2001-09-27 Aldy Hernandez <aldyh@redhat.com>
104 * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
106 (LIBCALL_VALUE): Likewise.
108 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
110 * cpphash.h: Update comment.
111 * cpplex.c: Update comments.
112 (_cpp_can_paste): Remove.
113 * cpplib.h (_cpp_can_paste): Remove.
114 * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
115 lexer rather than _cpp_can_paste.
117 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
119 * doc/cppinternals.texi: Update.
121 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
123 * cpphash.h (struct cpp_pool): Remove locks and locked.
124 (struct cpp_context): Add member buff.
125 (struct cpp_reader): Remove member argument_pool.
126 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
127 * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
128 * cpplex.c (chunk_suitable): Remove pool argument.
129 (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
130 (new_buff, _cpp_extend_buff): Update.
131 (_cpp_get_buff): Fix silly pointer bug. Be more selective about
132 which buffer is returned.
133 (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
134 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
135 * cppmacro.c (lock_pools, unlock_pools): Remove.
136 (push_ptoken_context): Take a _cpp_buff.
137 (enter_macro_context): Pool locking removed.
138 (replace_args): Use a _cpp_buff for the replacement list with
140 (push_token_context): Clear buff.
141 (expand_arg): Use _cpp_pop_context.
142 (_cpp_pop_context): Free a context's buffer, if any.
144 2001-09-26 DJ Delorie <dj@redhat.com>
146 * c-typeck.c (digest_init): Check for sizeless arrays.
148 2001-09-26 Richard Henderson <rth@redhat.com>
150 * optabs.c (init_one_libfunc): Create a dummy function type
151 instead of using error_mark_node.
153 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
155 * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
156 _cpp_extend_buff, _cpp_free_buff): New.
157 (struct cpp_reader): New member free_buffs.
158 * cppinit.c (cpp_destroy): Free buffers.
159 * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
160 _cpp_extend_buff, _cpp_free_buff): New.
161 * cpplib.h (struct cpp_options): Remove unused member.
162 * cppmacro.c (collect_args): New. Combines the old parse_arg
163 and parse_args. Use _cpp_buff for memory allocation.
164 (funlike_invocation_p, replace_args): Update.
166 Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
168 * final.c (final_scan_insn): Use delete_insn instead of delete_note.
170 2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
172 * except.c (sjlj_mark_call_sites): Change address inside sequence.
174 2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
176 * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
179 2001-09-25 Janis Johnson <janis187@us.ibm.com>
180 Jim Wilson <wilson@redhat.com>
182 * doc/install.texi (Specific, ia64-*-linux): Document.
184 Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
186 * Makefile.in (cfgrtl.o): Add.
187 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
188 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
189 free_aux_for_edge): Declare.
191 (HAVE_return): Undefine.
192 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
193 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
194 free_aux_for_edge): New global functions.
195 (first_delete_block): New static variable.
196 (init_flow): Clear first_delete_block.
197 (basic_block_for_insn, label_value_list, tail_recursion_label_list,
198 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
199 try_redirect_by_replacing_jump, last_loop_beg_note,
200 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
201 delete_insn, delete_insn_chain, create_basic_block_structure,
202 create_basic_block, flow_delete_block, compute_bb_for_insn,
203 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
204 set_block_for_new_insns, split_block, merge_blocks_nomove,
205 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
206 redirect_edge_and_branch, force_nonfallthru_and_redirect,
207 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
208 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
209 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
210 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
211 purge_all_dead_edges): Move to ....
212 * cfgrtl.c: New file; .... Here.
214 * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
215 (reroder_basic_block): Use alloc_aux_for_blocks.
216 * predict.c (estimate_bb_frequencies): Likewise; use
218 * profile.c (compute_branch_probabilities): Likewise.
219 (branch_prob): Likewise.
220 * reg-stack.c (reg_to_stack): Likewise.
222 * emit-rtl.c (emit_insns_after): Never return NULL.
224 * basic-block.h (set_block_for_new_insns): Delete.
225 * cfgrtl.c (set_block_for_new_insns): Delete.
227 * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
228 calls when crossjumping.
230 * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
231 * unroll.c (copy_loop_body): Use delete_insn.
233 * final.c (final, final_scan_insn): Use delete_insn/delete_note.
234 * function.c (fixup_var_refs_insn, fixup_var_refs_1,
235 keep_stack_depressed): Likewise.
236 * gcse.c (cprop_cc0_jump): Likewise.
237 * local-alloc.c (update_equiv_regs): Likewise.
238 * loop.c (scan_loop, loop_delete_insns): Likewise.
239 * regmove.c (try_auto_increment, fixup_match_1): Likewise.
240 * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
241 delete_output_reload, delete_address_reloads_1,
242 reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
244 * sibcall.c (replace_call_placeholder): Likewise.
245 * cse.c (cse_insn): Likewise.
247 2001-09-25 Bernd Schmidt <bernds@redhat.com>
249 From Graham Stott <grahams@redhat.com>
250 (def_builtin): Only define builtins appropriate for target_flags. All
252 (builtin_decsription): Add new field mask which is used to determine
253 when to define the builtin via the macro def_builtin.
255 (bdesc_comi): Initialise new mask fields.
256 (bdesc_2srg): Likewise.
257 (bdesc_1arg): Likewise.
259 * config/i386/i386.c (ix86_init_builtins): Correct return type
260 building v4hi_ftype_v4hi_int_int tree node.
261 (ix86_expand_sse_comi): Fix typo swapping operands.
262 Don't swap comparision condition, it is already swapped.
263 (ix86_expand_sse_compare): Before swapping operands
264 move operand 1 into new rtx and not the target rtx.
265 Don't swap comparison condition, it is already swapped.
266 Always check whether we need to create a new TARGET.
268 * config/i386/i386.md: (sse_comi) Fix typos.
269 (sse_ucomi): Likewise.
270 (cvtss2si): Fix operand 0 contraint.
271 (cvttss2si): Likewise.
272 (sse_unpckhps): Fix mode for operand 2.
273 (sse_unpcklps): Likewise.
275 2001-09-25 Graham Stott <grahams@redhat.com>
277 * sibcall.c (skip_copy_to_return_value): Tighten return value
280 2001-09-24 David Edelsohn <edelsohn@gnu.org>
282 * rs6000.c (lwa_operand): Address must be word aligned.
284 Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
286 * tree.c (type_hash_marked_p): Consider as marked if debug symbol
288 (type_hash_mark): Mark type itself.
290 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
292 * c-lex.c (cb_def_pragma): Update.
293 (c_lex): Update, and skip padding.
294 * cppexp.c (lex, parse_defined): Update, remove unused variable.
295 * cpphash.h (struct toklist): Delete.
297 (struct cpp_context): Update.
298 (struct cpp_reader): New members eof, avoid_paste.
299 (_cpp_temp_token): New.
300 * cppinit.c (cpp_create_reader): Update.
301 * cpplex.c (_cpp_temp_token): New.
302 (_cpp_lex_direct): Add PREV_WHITE when parsing args.
303 (cpp_output_token): Don't print leading whitespace.
304 (cpp_output_line): Update.
305 * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
306 do_include_common, do_line, do_ident, do_pragma,
307 do_pragma_dependency, _cpp_do__Pragma, parse_answer,
308 parse_assertion): Update.
309 (get_token_no_padding): New.
310 * cpplib.h (CPP_PADDING): New.
311 (AVOID_LPASTE): Delete.
312 (struct cpp_token): New union member source.
313 (cpp_get_token): Update.
314 * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
315 (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
316 replace_args, quote_string, stringify_arg, parse_arg, next_context,
317 enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
318 _cpp_backup_tokens, _cpp_create_definition): Update.
319 (push_arg_context): Delete.
320 (padding_token, push_token_context, push_ptoken_context): New.
321 (make_string_token, make_number_token): Update, rename.
322 (cpp_get_token): Update to handle tokens as pointers to const,
323 and insert padding appropriately.
324 * cppmain.c (struct printer): New member prev.
325 (check_multiline_token): Constify.
326 (do_preprocessing, cb_line_change): Update.
327 (scan_translation_unit): Update to handle spacing.
328 * scan-decls.c (get_a_token): New.
329 (skip_to_closing_brace, scan_decls): Update.
330 * fix-header.c (read_scan_file): Update.
332 * doc/cpp.texi: Update.
334 2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
336 * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
337 leak by passing malloc'ed pointer to reconcat, not concat.
339 2001-09-24 DJ Delorie <dj@redhat.com>
341 * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
343 2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
345 * flow.c (delete_dead_jumptables): Delete jumptable if the only
346 reference is from the literal pool.
348 2001-09-24 Janis Johnson <janis187@us.ibm.com>
350 * doc/install.texi (Final install): Request additional information
351 in mail about successful builds.
353 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
355 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
356 initial value of return pointer register instead of value in frame-20.
359 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
361 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
362 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
363 the libcall if there isn't a referenced identifier for the symbol.
365 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
367 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
368 non 64-bit machines. Use these as a plabel for the trampoline.
369 (TRAMPOLINE_SIZE): Adjust size for new words.
370 (INITIALIZE_TRAMPOLINE): Initialize new words.
371 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
372 pointer to the plabel in the trampoline.
374 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
376 * pa.c (function_arg): Pass floating arguments in both general and
377 floating registers in indirect (dynamic) calls when generating code
378 for the 32 bit ABI and the HP assembler.
380 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
382 * doc/install.texi: Markup fixes.
383 Use Solaris 2, SunOS 4 as appropriate.
384 (Specific, *-*-solaris2*): Explain this.
385 Unconditionally warn against /usr/ucb tools.
386 Remove Sun as warning, obsolete.
387 Move X11 header bug workaround here, update patches.
388 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
389 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
391 2001-09-23 Zack Weinberg <zack@codesourcery.com>
393 * errors.h (warning, error, fatal, internal_error): Don't mark
394 with ATTRIBUTE_PRINTF_n.
395 * toplev.h (internal_error, fatal_io_error, warning, error,
396 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
397 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
400 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
402 * function.c (pop_function_context_from): var_refs_queue
403 and temp slots now in GC memory.
404 (mark_function_status, free_after_compilation): Likewise;
405 also struct function now in GC memory.
406 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
407 (combine_temp_slots): Likewise.
408 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
409 (prepare_function_start): Use GC memory for struct function.
410 (mark_temp_slot): Deleted.
411 (gcc_mark_struct_function): struct function now in GC memory.
413 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
414 code for division, not modulus.
416 * rtl.def (MEM): Remove obsolete part of comment.
418 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
420 * c-format.c (init_function_format_info): Check __builtin_printf
421 and __builtin_fprintf even if -ffreestanding. Check C99 functions
424 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
426 * c-common.c (format_attribute_table): Remove decl.
427 * tree.h (format_attribute_table, lang_attribute_table): New decls.
428 (lang_attribute_common): Likewise.
430 * function.c (fix_lexical_address): Use set_mem_alias_set.
431 (expand_function_start): Likewise.
432 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
434 * varasm.c (output_constant): Fix unused variable warning.
436 * attribs.c: New file, from c-common.c.
437 (attribute_tables): Now four elements.
438 (format_attribute_table, lang_attribute_common): New variables.
439 (init_attributes): Reflect above changes.
440 (handle_mode_attribute): Delete check for wider than uintmax.
441 * c-common.c: Delete parts moved to attribs.c.
442 (enum attrs): Deleted; unused.
443 (c_format_attribute_table): New variable.
444 (c_common_lang_init): Initialize format_attribute_table with it.
445 * c-common.h (decl_attributes): Remove decl.
446 * tree.h (decl_attribute): Move it to here.
447 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
448 (attribs.o): New rule.
450 2001-09-22 Andreas Jaeger <aj@suse.de>
452 * builtins.c (c_getstr): Remove unused variable.
454 2001-09-21 Richard Henderson <rth@redhat.com>
456 * reload1.c (reload): Use delete_insn instead of splatting
459 2001-09-21 Richard Henderson <rth@redhat.com>
461 * reload.c (push_secondary_reload): Don't check for "=" in output
462 constraint after ""->ALL_REGS check.
464 2001-09-21 Richard Henderson <rth@redhat.com>
466 * predict.c (expected_value_to_br_prob): Use pc_set.
468 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
469 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
471 2001-09-21 Richard Henderson <rth@redhat.com>
473 * rtl.h (LCT_RETURNS_TWICE): New.
474 * calls.c (emit_call_1): Set current_function_calls_setjmp for
476 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
477 to ECF_RETURNS_TWICE.
478 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
481 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
483 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
486 2001-09-21 Richard Henderson <rth@redhat.com>
488 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
491 2001-09-21 Richard Henderson <rth@redhat.com>
493 * tree.def (FDESC_EXPR): New.
494 * expr.c (expand_expr): Handle it.
495 * varasm.c (initializer_constant_valid_p): Likewise.
496 (output_constant): Likewise.
497 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
498 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
499 (ASM_OUTPUT_FDESC): New.
500 * doc/tm.texi: Document the new macros.
502 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
504 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
505 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
506 once merging is complete.
508 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
510 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
512 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
514 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
515 that would be invalid after a merge.
517 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
519 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
520 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
522 (flow_delete_insn): This one.
523 (delete_insn_chain): Rename from ...; do not care labels.
524 (flow_delete_insn_chain): ... this one.
525 (flow_delete_block): Remove the insns one BB has been expunged.
526 (merge_blocks_nomove): Likewise.
527 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
528 updating BB boundaries.
529 (tidy_fallthru_edge): Likewise.
530 (commit_one_edge_insertion): Likewise.
531 * cfgbuild.c (find_basic_block): Likewise.
532 (find_basic_blocks_1): Likewise.
533 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
534 (try_crossjump_to_edge): Likewise.
535 (try_optimize_cfg): Likewise.
536 * cse.c (delete_trivially_dead_insns): Likewise.
537 * df.c (df_insn_delete): Likewise.
538 * doloop.c (doloop_modify): Use delete_related_insns.
539 * emit-rtl.c (try_split): Likewise.
540 (remove_insn): Update BB boundaries.
541 * expect.c (connect_post_landing_pads): Use delete_related_insns.
542 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
543 updating BB boundaries.
544 (propagate_block_delete_insn): Likewise.
545 (propagate_block_delete_libcall): Likewise.
546 * function.c (delete_handlers): Use delete_related_insns.
547 (thread_prologue_and_epilogue_insns): Likewise.
548 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
549 * genpeep.c (gen_peephole): Use delete_related_insns.
550 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
552 (find_cond_trap): Likewise.
553 * integrate.c (save_for_inline): Use delete_related_insns.
554 (copy_insn_list): Likewise.
555 * jump.c (pruge_linie_number_notes): Likewise.
556 (duplicate_loop_exit_test): Likewise.
557 (delete_computation): Likewise.
558 (delete_related_insn): Rename from ...; use delete_insn
559 (delete_insn): ... this one.
560 (redirect_jump): Use delete_related_insns.
561 * loop.c (scan_loop): Likewise.
562 (move_movables): Likewise.
563 (find_and_verify_loops): Likewise.
564 (check_dbra_loop): Likewise.
565 * recog.c (peephole2_optimize): Likewise.
566 * reg-stack.c (delete_insn_for_stacker): Remove.
567 (move_for_stack_reg): Use delete_insn.
568 * regmove.c (combine_stack_adjustments_for_block): Likewise.
569 * reload1.c (delete_address_reloads): Use delete_related_insns.
570 (fixup_abnormal_edges): Use delete_insn.
571 * recog.c (emit_delay_sequence): Use delete_related_insns.
572 (delete_from-delay_slot): Likewise.
573 (delete_scheduled_jump): likewise.
574 (optimize_skip): Likewise.
575 (try_merge_delay_insns): Likewise.
576 (full_simple_delay_slots): Likewise.
577 (fill_slots_from_thread): Likewise.
578 (relax_delay_slots): Likewise.
579 (make_return_insns): Likewise.
580 (dbr_schedule): Likewise.
581 * rtl.h (delete_insn): Rename to delete_related_insns.
582 (delete_insn, delete_insn_chain): New prototypes.
583 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
584 by df_insn_delete already.
585 * ssa-dce.c (delete_insn_bb): Use delete_insn.
586 * ssa.c (convert_from_ssa): Use delete_related_insns.
587 * unroll.c (unroll_loop): Likewise.
588 (calculate_giv_inc): Likewise.
589 (copy_loop_body): Likewise.
591 * i386-protos.h (ix86_libcall_value, ix86_function_value,
592 ix86_function_arg_regno_p, ix86_function_arg_boundary,
593 ix86_return_in_memory, ix86_function_value): Declare.
594 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
595 new static valurables.
596 (x86_64_reg_class): New enum
597 (x86_64_reg_class_name): New array.
598 (classify_argument, examine_argument, construct_container,
599 merge_classes): New static functions.
600 (optimization_options): Enable flag_omit_frame_pointer and disable
601 flag_pcc_struct_return on 64bit.
602 (ix86_libcall_value, ix86_function_value,
603 ix86_function_arg_regno_p, ix86_function_arg_boundary,
604 ix86_return_in_memory, ix86_function_value): New global functions.
605 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
606 (function_arg_advance): Handle x86_64 passing conventions.
607 (function_arg): Likewise.
608 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
609 (RETURN_IN_MEMORY): Move offline.
610 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
611 (FUNCTION_VALUE_REGNO_P): New macro.
612 (FUNCTION_ARG_REGNO_P): Move offline.
613 (struct ix86_args): Add maybe_vaarg.
614 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
615 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
617 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
619 * s390.md: Changed attributes for scheduling.
620 * s390.c: (s390_adjust_cost, s390_adjust_priority)
623 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
625 Table-driven attributes.
626 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
627 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
628 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
629 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
630 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
631 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
632 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
633 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
634 * tree.h (struct tree_decl): Change machine_attributes to
636 * doc/c-tree.texi: Document that all attributes are now attached
638 * c-common.c (add_attribute, attrtab, attrtab_idx,
639 default_valid_lang_attribute, valid_lang_attribute): Remove.
640 (attribute_tables, attributes_initialized,
641 c_common_attribute_table, default_lang_attribute_table): New
643 (handle_packed_attribute, handle_nocommon_attribute,
644 handle_common_attribute, handle_noreturn_attribute,
645 handle_unused_attribute, handle_const_attribute,
646 handle_transparent_union_attribute, handle_constructor_attribute,
647 handle_destructor_attribute, handle_mode_attribute,
648 handle_section_attribute, handle_aligned_attribute,
649 handle_weak_attribute, handle_alias_attribute,
650 handle_no_instrument_function_attribute,
651 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
652 handle_no_limit_stack_attribute, handle_pure_attribute): New
654 (init_attributes, decl_attributes): Rewrite to implement
655 table-driven attributes.
656 * c-common.h (enum attribute_flags): Move to tree.h.
657 * c-format.c (decl_handle_format_attribute,
658 decl_handle_format_arg_attribute): Rename to
659 handle_format_attribute and handle_format_arg_attribute. Update
660 for table-driven attributes.
661 * c-common.h (decl_handle_format_attribute,
662 decl_handle_format_arg_attribute): Remove prototypes.
663 (handle_format_attribute, handle_format_arg_attribute): Add
665 * c-decl.c (grokdeclarator): Handle attributes nested inside
667 * c-parse.in (setattrs, maybe_setattrs): Remove.
668 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
669 Update to handle nested attributes properly.
670 (maybe_resetattrs, after_type_declarator,
671 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
672 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
674 (make_pointer_declarator): Update to handle nested attributes
676 * doc/extend.texi: Update documentation of limits of attributes
677 syntax. Warn about problems with attribute semantics in C++.
678 * target.h (struct target): Remove valid_decl_attribute and
679 valid_type_attribute. Add attribute_table and
680 function_attribute_inlinable_p.
681 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
682 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
683 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
685 (TARGET_INITIALIZER): Update.
686 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
688 (function_attribute_inlinable_p): New function. Check for the
689 presence of any machine attributes before using
690 targetm.function_attribute_inlinable_p.
691 (function_cannot_inline_p): Update.
692 * Makefile.in (integrate.o): Update dependencies.
693 * doc/tm.texi: Update documentation of target attributes and
694 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
695 * tree.c (default_valid_attribute_p, valid_machine_attribute):
697 (default_target_attribute_table,
698 default_function_attribute_inlinable_p): New.
699 (lookup_attribute): Update comment to clarify handling of multiple
700 attributes with the same name.
701 (merge_attributes, attribute_list_contained): Allow multiple
702 attributes with the same name but different arguments to appear in
703 the same attribute list.
704 * tree.h (default_valid_attribute_p): Remove prototype.
705 (struct attribute_spec): New.
706 (default_target_attribute_table): Declare.
707 (enum attribute_flags): Move from c-common.h. Add
708 ATTR_FLAG_TYPE_IN_PLACE.
709 (default_function_attribute_inlinable_p): Declare.
710 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
711 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
712 (TARGET_ATTRIBUTE_TABLE): Define.
713 (vms_attribute_table): New.
714 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
715 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
716 (TARGET_ATTRIBUTE_TABLE): Define.
717 (arc_attribute_table, arc_handle_interrupt_attribute): New.
718 * config/arm/arm.c (arm_valid_type_attribute_p,
719 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
721 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
723 (TARGET_ATTRIBUTE_TABLE): Define.
724 (arm_attribute_table, arm_handle_fndecl_attribute,
725 arm_handle_isr_attribute): New.
726 * config/avr/avr.c (avr_valid_type_attribute,
727 avr_valid_decl_attribute): Remove.
728 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
730 (TARGET_ATTRIBUTE_TABLE): Define.
731 (avr_attribute_table, avr_handle_progmem_attribute,
732 avr_handle_fndecl_attribute): New.
733 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
734 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
735 (TARGET_ATTRIBUTE_TABLE): Define.
736 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
737 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
738 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
739 (TARGET_ATTRIBUTE_TABLE): Define.
740 (h8300_attribute_table, h8300_handle_fndecl_attribute,
741 h8300_handle_eightbit_data_attribute,
742 h8300_handle_tiny_data_attribute): New.
743 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
744 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
746 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
748 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
749 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
751 (TARGET_ATTRIBUTE_TABLE): Define.
752 (ix86_attribute_table, ix86_handle_cdecl_attribute,
753 ix86_handle_regparm_attribute): New.
754 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
755 i386_pe_valid_type_attribute_p): Remove.
756 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
757 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
758 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
759 (TARGET_ATTRIBUTE_TABLE): Define.
760 (ia64_attribute_table): New.
761 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
762 interrupt_ident2, model_ident1, model_ident2): Remove.
763 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
764 (TARGET_ATTRIBUTE_TABLE): Define.
765 (init_idents): Update.
766 (m32r_attribute_table, m32r_handle_model_attribute): New.
767 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
769 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
770 (TARGET_ATTRIBUTE_TABLE): Define.
771 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
772 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
773 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
774 (TARGET_ATTRIBUTE_TABLE): Define.
775 (mcore_attribute_table, mcore_handle_naked_attribute): New.
776 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
777 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
778 (TARGET_ATTRIBUTE_TABLE): Define.
779 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
780 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
781 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
782 (TARGET_ATTRIBUTE_TABLE): Define.
783 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
784 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
785 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
786 (TARGET_ATTRIBUTE_TABLE): Define.
787 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
788 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
790 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
792 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
793 (TARGET_ATTRIBUTE_TABLE): Define.
794 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
796 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
797 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
798 (TARGET_ATTRIBUTE_TABLE): Define.
799 (v850_attribute_table, v850_handle_interrupt_attribute,
800 v850_handle_data_area_attribute): New.
801 * config/v850/v850-c.c (mark_current_function_as_interrupt):
802 Return void. Call decl_attributes instead of
803 valid_machine_attribute.
805 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
807 * sh-protos.h (sh_pr_n_sets): Declare.
808 * sh.c (calc_live_regs): If the initial value for PR has been copied,
809 look at the copy to determine if PR needs to be saved.
810 sh_pr_n_sets: New function.
811 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
812 (ALLOCATE_INITIAL_VALUE): Define.
814 * sh.c (initial_elimination_offset):
815 Fix RETURN_ADDRESS_POINTER_REGNUM case.
817 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
819 * integrate.c (allocate_initial_values): New function.
820 * integrate.h (allocate_initial_values): Declare.
821 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
823 * reload1.c (reload): And initialization of reg_equiv_memory_loc
825 * toplev.c (rest_of_compilation): To here.
826 Call allocate_initial_values.
827 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
829 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
831 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
833 2001-09-20 DJ Delorie <dj@redhat.com>
835 * c-typeck.c (really_start_incremental_init): Discriminate
836 between zero-length arrays and flexible arrays.
837 (push_init_level): Detect zero-length arrays and handle them
838 like fixed-sized arrays.
839 * expr.c (store_constructor): Handle zero-length arrays and
840 flexible arrays correctly.
841 * doc/extend.texi: Update zero-length array notes.
843 2001-09-20 Jim Wilson <wilson@redhat.com>
845 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
846 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
847 for issue port conflicts.
848 (cycle_end_fill_slots): TYPE_L instructions take two slots.
850 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
852 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
855 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
857 * fold-const.c (hashtab.h): Include.
858 (int_const_binop): Remove FORSIZE arg and compute from type; all
860 Call size_int_type_wide for all single-word constants.
861 (size_htab_hash, size_htab_eq): New functions.
862 (size_int_type_wide): Rework to use hash table.
863 * ggc-common.c (hashtab.h): Include.
864 (struct d_htab_root): New struct.
865 (d_htab_roots): New variable.
866 (ggc_add_deletable_htab, ggc_htab_delete): New functions
867 (ggc_mark_roots): Handle deletable htabs.
868 * ggc-page.c (ggc_marked_p): New function.
869 * ggc-simple.c (ggc_marked_p): Likewise.
870 * ggc.h: Reformatting throughout.
871 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
872 * tree.c (init_obstacks): Make type_hash_table a deletable root.
873 (type_hash_add): Allocate struct type_hash from GC memory.
874 (mark_hash_entry, mark_type_hash): Deleted.
875 (type_hash_marked_p, type_hash_mark): New functions.
876 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
878 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
880 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
883 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
885 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
886 array-too-large test for signed sizetype.
888 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
890 * i386.md (indirect_jump): Allow Pmode operand.
891 (tablejump): LIkewise; perform expansion to 64bit mode.
892 * i386.c (symbolic_operand): Allow 64bit PIC references.
893 (pic_symbolic_operand): Likewise.
894 (ix86_find_base_term): Strip the 64bit PIC references.
895 (legitimate_pic_address_disp_p): Handle 64bit PIC.
896 (legitimize_pic_address): Likewise.
897 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
898 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
900 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
902 * stringpool.c (get_identifier_with_length): New function.
903 * tree.h (get_identifier_with_length): New prototype.
905 2001-09-19 Alan Modra <amodra@bigpond.net.au>
906 David Edelsohn <edelsohn@gnu.org>
909 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
910 already sign-extended.
912 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
913 * config/rs6000/rs6000.c (logical_operand): Always compare op as
915 (rs6000_emit_set_long_const): Avoid unnecessary shift.
916 (output_profile_hook): Declare label_name const.
917 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
918 to match constraints.
920 2001-09-19 Stan Shebs <shebs@apple.com>
922 * alias.c: Fix typos in comments.
923 * sched-rgn.c (init_ready_list): Ditto.
924 * unwind-dw2.c (uw_frame_state_for): Ditto.
925 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
926 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
927 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
929 2001-09-19 Richard Henderson <rth@redhat.com>
931 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
933 * Makefile.in (cfg.o): Depend on TM_P_H.
935 2001-09-19 Richard Henderson <rth@redhat.com>
937 * config/alpha/alpha.c (local_symbol_p): Split out from ...
938 (local_symbolic_operand): ... here.
939 (small_symbolic_operand): Check mode.
940 (global_symbolic_operand): New.
941 (input_operand): Reject symbolics if explicit relocs.
942 (call_operand): Tidy.
943 (alpha_legitimize_address): Use movdi_er_high_g.
944 (alpha_expand_mov): Likewise.
945 * config/alpha/alpha-protos.h: Update.
946 * config/alpha/alpha.h (PREDICATE_CODES): Update.
947 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
948 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
949 (UNSPECV_LDGP2): Remove.
950 (all call patterns): Use 's' not 'i' for symbolic constraint.
951 (call_osf call_value_osf): Use call_operand.
952 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
953 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
954 (prologue_ldgp_1_er): Remove.
955 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
956 (builtin_setjmp_receiver_er patterns): Use them.
957 (exception_receiver_er): Likewise.
959 2001-09-19 Richard Henderson <rth@redhat.com>
961 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
963 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
964 and NON_LOCAL_GOTO notes.
965 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
966 copy over CALL_INSN_FUNCTION_USAGE.
968 2001-09-18 Catherine Moore <clm@redhat.com>
970 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
973 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
975 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
976 new-style tm_file specification. Specify correct tm_p_file,
977 md_file, and out_file for s390x.
979 * config/s390/linux.h, linux64.h: Don't include other target
980 macro header files. Now handled via tm_file.
982 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
983 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
984 are defined before use.
986 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
988 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
989 code generation only for Gnu assembler.
991 2001-09-18 Catherine Moore <clm@redhat.com>
993 * config/stormy16 (LIB_SPEC): Remove -lnosys.
995 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
997 * config/mips/mips.c (mips_frame_set): New.
998 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
999 a parallel frame-related expression with a set for each register.
1001 2001-09-18 Philip Blundell <philb@gnu.org>
1003 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
1006 2001-09-17 Dale Johannesen <dalej@apple.com>
1008 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
1009 * config/rs6000/aix.h (FIXED_R2): Define.
1010 * config/rs6000/darwin.h (FIXED_R2): Define.
1011 * config/rs6000/sysv4.h (FIXED_R2): Define.
1013 2001-09-17 Jeff Sturm <jsturm@one-point.com>
1015 * except.c (dw2_build_landing_pads): New local
1016 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
1017 barrier after clobbers. Fixes c++/4012.
1019 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1021 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
1023 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1025 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
1026 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
1028 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1030 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
1033 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
1035 * cpphash.h (_cpp_lex_direct): New.
1036 * cpplex.c (_cpp_lex_token): Update.
1037 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
1038 and increment that pointer.
1039 * cppmacro.c (alloc_expansion_token): New.
1040 (lex_expansion_token): Lex macro expansion directly into
1043 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
1045 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
1047 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
1049 * basic-block.h (free_bb_for_insn): Declare.
1050 * bb-reorder.c (label_for_bb): Use block_label.
1051 (emit_jump_to_block_after): Remove.
1052 (insert_intra_1): Do not update block_for_insn.
1053 (insert_inter_bb_scope_notes): Likewise; update bb->end
1054 * cfg.c (free_bb_for_insn): New.
1055 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
1056 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
1057 (commit_one_edge_insertion): Likewise.
1058 (commit_one_edge_insertion): Do not update BB boundary.
1059 (commit_edge_insertions): Do not call compute_bb_for_insn.
1060 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
1061 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
1062 (merge_blocks_move_successor_nojumps): Likewise.
1063 (try_crossjump_to_edge): Do not update block_for_insn.
1064 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
1065 * df.c (df_pattern_emit_later): Do not update BB boundary.
1066 (df_jump_pattern_emit_after): Likewise.
1067 (df_insn_move_before): Use emit_insn_before.
1068 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
1070 (add_insn_after, add_insn_before, emit_insns_after): Update BB
1071 boundaries and basic_block_for_insn.
1072 (reorder_insns_nobb): Rename from reorder_insns.
1073 (reorder_insns): New.
1074 (emit_block_insn_before, emit_block_insn_after): Kill.
1075 * flow.c (check_function_return_warnings): Do not call
1076 compute_bb_for_insn; Do not free basic_block_for_insn.
1077 (attempt_auto_inc): Do not update basic_block_for_insn.
1078 * function.c (emit_return_into_block): Likewise;
1079 do not update BB boundaries.
1080 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
1081 (insert_insn_end_bb): Use emit_insn_before; Likewise.
1082 (pre_insert_copy_insn): Likewise.
1083 (update_ld_motion_notes): Likewise.
1084 (insert_insn_start_bb): Likewise.
1085 (replace_store_insn): Likewise.
1086 * ifcvt.c (noce_process_if_block): Likewise.
1087 (if_convert): Do not call compute_bb_for_insn.
1088 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
1089 Use emit_insn_before and emit_insn_after.
1090 * recog.c (split_all_insns): Do not update BB boundaries;
1091 Do not call compute_bb_for_insn.
1092 (peephole2_optimize): Do not update BB boundaries.
1093 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
1095 (emit_swap_insn): Likewise.
1096 (convert_regs_1): Likewise.
1097 * reload1.c (reload): Call compute_bb_for_insn.
1098 * rtl.h (reorder_insns_nobb): Declare.
1099 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
1100 * toplev.c (rest_of_compilation): Call free_bb_for_insn
1101 at places CFG is invalidated; do not call compute_bb_for_insn.
1103 * cfg.c (expunge_block): Invalidate BB structure.
1105 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
1108 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
1110 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1112 * cpphash.h (_cpp_lex_token): Update prototype.
1113 * cpplex.c (_cpp_lex_token): New prototype.
1114 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
1115 lex_macro_node, read_flag, do_pragma_poison): Update.
1116 * cppmacro.c (cpp_get_token, parse_params,
1117 lex_expansion_token): Update.
1119 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1121 * cppmain.c (scan_translation_unit): Don't worry about
1122 putting a space after hashes.
1123 * cpplib.c (directive_diagnostics): New.
1124 (_cpp_handle_directive): Update to use directive_diagnostics.
1125 (run_directive): Don't toggle prevent_expansion.
1126 (do_line): Backup in case of the line extension.
1127 * cpplib.h (cpp_lexer_pos): Remove.
1128 * cppmacro.c (_cpp_create_definition): Precede a leading #
1131 2001-09-15 Richard Henderson <rth@redhat.com>
1133 * c-typeck.c (comptypes): Handle zero-length arrays properly.
1135 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1137 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
1139 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1141 PR preprocessor/3571
1142 * tradcpp.c (handle_directive): Skip non-vertical space.
1144 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1146 * cppmain.c (setup_callbacks): Set line callback only
1147 if outputting preprocessed source.
1149 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1151 * collect2.c (main): Const-ification.
1152 * gcc.c (translate_options, process_command): Use xstrdup in
1153 lieu of xmalloc/strcpy.
1154 (main): Use concat in lieu of xmalloc/strcpy/strcat.
1156 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1158 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
1161 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1163 * scan-decls.c (scan_decls): Fix typo.
1165 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1167 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
1168 Split mlstring_pos into mls_line and mls_col.
1169 * cppinit.c (cpp_create_reader): Initialize line to 1.
1170 (cpp_destroy): Free tokenruns.
1171 (push_include): Don't update lexer_pos.
1172 * cpplex.c (unterminated, parse_string): Update.
1173 (lex_token): Don't update lexer_pos, update.
1174 * cpplib.c (if_stack): Save line instead of line + col.
1175 (start_directive, _cpp_do__Pragma, do_else, do_elif,
1176 push_conditional, _cpp_pop_buffer): Update.
1177 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
1178 (_cpp_create_definition): Update.
1180 2001-09-15 Eric Christopher <echristo@redhat.com>
1182 * config/mips/abi64.h: Add support for MEABI.
1184 2001-09-15 Eric Christopher <echristo@redhat.com>
1186 * config/mips/mips.md: Add unspec #2.
1188 (reload_outdi): Ditto.
1189 (reload_outsi): Ditto.
1192 2001-09-15 Eric Christopher <echristo@redhat.com>
1193 Jason Eckhardt <jle@redhat.com>
1195 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
1196 * config/mips/isa32-linux.h: New file.
1197 * config/mips/isa3264.h: Ditto.
1198 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
1199 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
1200 (output_block_mode): Support MEABI.
1201 (function_arg): Ditto. Fix floating point arg passing.
1202 (mips_va_start): Ditto.
1203 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
1205 (mips_asm_file_start): Add new section to pass abi to gdb.
1206 (function_arg_pass_by_reference): Support MEABI.
1207 (mips_parse_cpu): Support mips32 and mips64 processors.
1208 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
1209 TARGET_MIPS5KC. Support isa32 and isa64.
1210 (processor_type): Add r4kc, r5kc, r20kc.
1211 (GENERATE_MULT3_SI): New.
1212 (GENERATE_MULT3_DI): Ditto.
1213 (GENERATE_MULT3): Remove.
1214 (ISA_HAS_64BIT_REGS): Add isa == 64.
1215 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
1216 (ISA_HAS_MADD_MSUB): New.
1217 (ISA_HAS_CLZ_CLO): Ditto.
1218 (ISA_HAS_DCLZ_DCLO): Ditto.
1219 (ABI_GAS_ASM_SPEC): New.
1220 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
1223 (SUBTARGET_CC1_SPEC): Ditto.
1224 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
1225 (PAD_VARARGS_DOWN): Support MEABI.
1226 (HARD_REGNO_NREGS): Move to mips.c.
1227 (ASM_OUTPUT_IDENT): Add #undef.
1228 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
1229 (mulsi3): Use GENERATE_MULT3_SI.
1230 (mulsi3_mult3): Ditto. Support mips32, mips64.
1231 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
1232 (mul_sub_si): New pattern.
1233 (unnamed splitters): New.
1234 (muldi3): Use GENERATE_MULT3_DI.
1235 (muldi3_internal2): Ditto.
1236 (movdicc): Support mips32.
1237 * config/mips/t-isa3264: New file.
1239 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
1241 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
1242 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
1243 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
1245 * reorg.c (fill_slots_from_thread): After call to
1246 steal_delay_list_from_target, update own_thread as new_thread may
1249 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
1251 * cpperror.c (print_location): Take line and column, for
1252 default positioning use the previously lexed token.
1253 (_cpp_begin_message): Take line and column.
1254 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1255 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1256 * cpphash.h (_cpp_begin_message): Update prototype.
1257 * cppinit.c (push_include): Don't set output line.
1258 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
1259 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
1260 (do_pragma): Kludge for front ends. Don't expand macros at all.
1261 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
1262 (struct cpp_token): Remove output_line.
1263 (struct cpp_callbacks): New member line_change.
1264 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
1265 cpp_get_token): Preserve BOL flag.
1266 (cpp_get_line): Remove.
1267 (_cpp_backup_tokens): Remove useless abort().
1268 * cppmain.c (cb_line_change): New.
1269 (scan_translation_unit): Don't worry about starting new lines here.
1270 * scan-decls.c (scan_decls): Update.
1271 * c-lex.c (c_lex, init_c_lex): Update.
1272 (cb_line_change, src_lineno): New.
1274 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
1276 * tree.c (append_random_chars): Generate the random
1277 characters in a reproducable fashion.
1279 2001-09-14 Richard Henderson <rth@redhat.com>
1281 * config/i386/i386.c (internal_label_prefix): New.
1282 (internal_label_prefix_len): New.
1283 (override_options): Set them.
1284 (local_symbolic_operand): New.
1285 (legitimate_pic_address_disp_p): Use it.
1286 (legitimize_pic_address): Likewise.
1288 2001-09-14 Marc Espie <espie@openbsd.org>
1290 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
1293 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1295 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
1296 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
1298 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
1300 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
1301 invocation of SUBREG_REGNO_OFFSET.
1303 * haifa-sched.c: Fix typo in FSF copyright statement.
1304 * sched-deps.c: Fix typo in FSF copyright statement.
1305 * sched-ebb.c: Fix typo in FSF copyright statement.
1306 * sched-rgn.c: Fix typo in FSF copyright statement.
1307 * sched-vis.c: Fix typo in FSF copyright statement.
1309 * config.gcc: Move inclusion of arm elf specific header files
1310 from the files themselves into the tm_file variable. Make
1311 sure that elfos.h is included before target specific elf
1313 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
1315 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
1316 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
1317 ASM_OUTPUT_CASE_LABEL): Protect definition.
1318 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
1319 not already defined.
1320 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
1321 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
1322 Remove duplicate definition.
1323 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
1324 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
1325 (RDATA_SECTION_FUNCTION): Remove redundant definition.
1326 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
1327 Remove inclusion of arm/elf.h.
1328 * config/arm/unknown-elf.h: as for conix-elf.h.
1329 (STARTFILE_SPEC): Include crti.o and crtn.o.
1330 * config/arm/linux-elf.h: as for conix-elf.h.
1331 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
1332 * config/arm/strongarm-elf.h: Remove inclusion of
1334 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
1335 * config/arm/unknown-elf-oabi.h: Remove inclusion of
1336 unknown-elf.h and elf.h.
1337 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
1338 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
1339 ASM_WEAKEN_LABEL): Remove redundant definition.
1340 * config/arm/elf.h: Test for inclusion of elfos.h
1341 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
1342 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
1343 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
1344 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
1345 redundant definition.
1346 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
1347 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
1348 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
1349 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
1350 Add rules to build crti.o and crtn.o
1351 * crti.asm: New file.
1352 * crtn.asm: New file.
1354 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
1356 * c-parse.in (_yylex): Use _cpp_backup_tokens.
1357 * cpphash.h (struct tokenrun): Add prev.
1358 (struct lexer_state): Remove bol.
1359 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
1360 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
1362 * cppinit.c (cpp_create_reader): Don't set bol.
1363 (cpp_destroy): Don't free lookaheads.
1364 * cpplex.c (lex_directive): Remove.
1365 (next_tokenrun): Update.
1366 (_cpp_lex_token): Clean up logic.
1367 (lex_token): Update to return a pointer to lexed token, since it
1368 can move to the start of the buffer. Simpify newline handling.
1369 * cpplib.c (SEEN_EOL): Update.
1370 (skip_rest_of_line): Remove lookahead stuff.
1371 (end_directive): Line numbers are already incremented. Revert
1372 to start of lexed token buffer if we can.
1373 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
1374 parse_answer): Use _cpp_backup_tokens.
1375 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
1376 instead. Don't check for EOL.
1377 (do_include_common, do_line, do_pragma_system_header): Use
1379 * cpplib.h (BOL, _cpp_backup_tokens): New.
1380 * cppmacro.c (save_lookahead_token, take_lookahead_token,
1381 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
1382 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
1383 (builtin_macro): Don't use cpp_get_line.
1384 (cpp_get_line): Short term kludge.
1385 (parse_arg): Handle directives in arguments here. Back up when
1386 appropriate. Store EOF at end of argument list.
1387 (funlike_invocation_p): Use _cpp_backup_tokens.
1388 (push_arg_context): Account for EOF at end of list.
1389 (cpp_get_token): Remove lookahead stuff. Update.
1391 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1393 * c-parse.in (yyerror): Const-ification and/or static-ization.
1394 * c-typeck.c (push_member_name): Likewise.
1395 * collect2.c (main): Likewise.
1396 * dbxout.c (dbxout_parms): Likewise.
1397 * diagnostic.c (format_with_decl): Likewise.
1398 * dwarf2out.c (output_ranges): Likewise.
1399 * dwarfout.c (fundamental_type_code): Likewise.
1400 * except.c (dw2_output_call_site_table): Likewise.
1401 * gcc.c (do_spec_1): Likewise.
1402 * genopinit.c (optabs): Likewise.
1403 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
1404 gen_declaration_1, handle_impent): Likewise.
1405 * protoize.c (default_include, in_system_include_dir, abspath):
1407 * sched-vis.c (visualize_stall_cycles): Likewise.
1408 * sdbout.c (plain_type_1, sdbout_end_function,
1409 sdbout_end_epilogue): Likewise.
1410 * varasm.c (decode_reg_name): Likewise.
1412 * 1750a.c (mod_regno_adjust): Likewise.
1413 * alpha.c (alpha_write_one_linkage,
1414 unicosmk_output_default_externs): Likewise.
1415 * arm.c (arm_condition_codes): Likewise.
1416 * arm.h (arm_condition_codes): Likewise.
1417 * avr.c (output_movsisf, encode_section_info): Likewise.
1418 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1420 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1421 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1422 * m88k.c (output_function_profiler): Likewise.
1423 * mips.c (mips_output_conditional_branch): Likewise.
1424 * ns32k.c (ns32k_out_reg_names): Likewise.
1425 * ns32k.h (ns32k_out_reg_names): Likewise.
1426 * pj.c (pj_output_rval): Likewise.
1427 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1428 * sparc.c (sparc_flat_function_prologue,
1429 sparc_flat_function_epilogue): Likewise.
1431 2001-09-13 Markus Werle <numerical.simulation@web.de>
1432 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1434 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1435 Aachen University of Technology".
1437 2001-09-13 Andreas Schwab <schwab@suse.de>
1439 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1442 2001-09-13 Richard Henderson <rth@redhat.com>
1444 * config/alpha/alpha.c (small_symbolic_operand): New.
1445 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1446 (some_operand, input_operand): Don't handle HIGH.
1447 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1448 (alpha_expand_mov): Likewise.
1449 (print_operand) [H]: Just print HIGH symbol.
1450 (print_operand_address): Handle small data.
1451 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1452 (TARGET_SWITCHES): Add -msmall-data/large-data.
1453 (PIC_OFFSET_TABLE_REGNUM): New.
1454 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1455 (PREDICATE_COES): Update.
1456 * config/alpha/alpha.md (adddi_er_high): New.
1457 (adddi_er_low): Handle small data.
1458 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1459 prefer .sdata to .rodata.
1460 (SELECT_RTX_SECTION): Likewise.
1462 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1464 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1465 defining __size_t and leaving size_t undefined.
1467 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1469 * basic-block.h (expunge_block): Declare.
1470 * cfg.c (expunge_block): Remove static declaration.
1472 2001-09-12 Richard Henderson <rth@redhat.com>
1474 * integrate.c (copy_insn_list): Copy label name from
1475 NOTE_INSN_DELETED_LABEL.
1477 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1479 * c-common.c (c_tree_code_name): Const-ification.
1480 * c-decl.c (c_decode_option): Likewise.
1481 * c-typeck.c (warn_for_assignment): Likewise.
1482 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
1484 * cppinit.c (output_deps): Likewise.
1485 * dependence.c (dependence_string, direction_string): Likewise.
1486 * dwarf2out.c (output_ranges): Likewise.
1487 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
1488 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
1489 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1490 standard_startfile_prefix, standard_startfile_prefix_1,
1491 standard_startfile_prefix_2, tooldir_base_prefix,
1492 standard_bindir_prefix, find_a_file): Likewise.
1493 * genattrtab.c (make_length_attrs): Likewise.
1494 * gencheck.c (tree_codes): Likewise.
1495 * genemit.c (gen_split): Likewise.
1496 * genrecog.c (special_mode_pred_table): Likewise.
1497 * graph.c (graph_ext): Likewise.
1498 * protoize (default_include): Likewise.
1499 * reload.c (reload_when_needed_name): Likewise.
1500 * sched-vis.c (visualize_stall_cycles): Likewise.
1501 * tlink.c (recompile_files): Likewise.
1502 * toplev.c (decode_g_option): Likewise.
1503 * tradcpp.c (output_deps): Likewise.
1504 * varasm.c (decode_reg_name): Likewise.
1506 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1509 * avr.c (avr_regnames, encode_section_info): Likewise.
1510 * c4x.c (float_reg_names): Likewise.
1511 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1512 * elfos.h (const_section): Likewise.
1513 * i386.c (ix86_comp_type_attributes): Likewise.
1514 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1515 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1516 * ia64.c (type_names): Likewise.
1517 * m68hc11.c (reg_class_names): Likewise.
1518 * m88k.c (m_options): Likewise.
1519 * mips.c (mips_output_conditional_branch, mips_unique_section):
1521 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1522 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1523 ultra_code_names): Likewise.
1524 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1526 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1528 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1529 Use --fatal-warnings option for gas.
1530 * configure: Rebuilt.
1532 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1534 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1536 2001-09-11 Jim Wilson <wilson@redhat.com>
1538 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1540 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1542 * builtins.c (c_strlen): Treat an offset too large for a
1543 HOST_WIDE_INT as out of range.
1545 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1547 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1548 (EDGE_CRITICAL_P): New predicate.
1549 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1551 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1552 (dump_edge_info): Remove "crit".
1553 * cfganal.c (mark_critical_edges): Kill.
1554 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1555 * cfgcleanup.c (cleanup_cfg): Likewise.
1556 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1557 (find_spanning_tree): Likewise.
1558 * reg-stack.c (convert_regs_1): Likewise.
1559 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1561 * basic-block.h (create_basic_block_structure): New.
1562 (create_basic_block): Update prototype.
1563 (force_nonfallthru): New.
1564 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1565 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1566 handle updating of block_for_insn, creating of empty BBs and BBs at
1567 the end of INSN chain.
1568 (create_basic_block): New function.
1569 (split_block): Use create_basic_block.
1570 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1571 (redirect_edge_and_branch_force): ... here.
1572 (force_nonfallthru): New.
1573 (split_edge): Rewrite to use force_nonfallthru and create_block.
1574 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1575 (find_basic_blocks): Free basic_block_for_insn.
1576 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1578 * cfg.c: Fix formating.
1579 * cfgcleanup.c: Fix formating.
1580 (merge_blocks, tail_recursion_label_p): Return bool.
1581 (merge_blocks_move_predecessor_nojumps,
1582 merge_blocks_move_successor_nojumps): Return void.
1584 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1586 * configure.in: Check whether assembler supports section merging.
1587 * config.in: Rebuilt.
1588 * configure: Rebuilt.
1589 * varasm.c (variable_section, output_constant_pool): Pass alignment
1590 to SELECT_SECTION and SELECT_RTX_SECTION.
1591 (mergeable_string_section): New.
1592 (mergeable_constant_section): New.
1593 (default_elf_asm_named_section): Output SECTION_MERGE and
1594 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1595 * output.h (mergeable_string_section): New.
1596 (mergeable_constant_section): New.
1597 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1598 * toplev.c (flag_merge_constants): New.
1599 (f_options): Add -fmerge-constants and -fmerge-all-constants
1601 (toplev_main): Default to -fno-merge-constants if not optimizing.
1602 * flags.h (flag_merge_constants): Add extern.
1603 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1604 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1606 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1607 Define if assembler has working .subsection -1 support.
1608 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1609 Put constant into special SHF_MERGE sections if the linker should
1610 attempt to merge duplicates.
1611 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1613 Put constant into special SHF_MERGE sections if the linker should
1614 attempt to merge duplicates.
1615 * config/alpha/elf.h: Likewise.
1616 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1617 has working .subsection -1 support.
1618 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1620 * config/svr3.h: Likewise.
1621 * config/darwin.h: Likewise.
1622 * config/arm/aof.h: Likewise.
1623 * config/arm/linux-elf.h: Likewise.
1624 * config/avr/avr.h: Likewise.
1625 * config/c4x/c4x.h: Likewise.
1626 * config/d30v/d30v.h: Likewise.
1627 * config/i386/dgux.h: Likewise.
1628 * config/i386/osfrose.h: Likewise.
1629 * config/i386/sco5.h: Likewise.
1630 * config/i386/svr3gas.h: Likewise.
1631 * config/ia64/aix.h: Likewise.
1632 * config/m32r/m32r.h: Likewise.
1633 * config/m68k/m68k.h: Likewise.
1634 * config/m88k/dgux.h: Likewise.
1635 * config/m88k/m88k.h: Likewise.
1636 * config/mcore/mcore-pe.h: Likewise.
1637 * config/mips/mips.h: Likewise.
1638 * config/pa/pa.h: Likewise.
1639 * config/pa/pa-linux.h: Likewise.
1640 * config/romp/romp.h: Likewise.
1641 * config/rs6000/sysv4.h: Likewise.
1642 * config/rs6000/xcoff.h: Likewise.
1643 * config/s390/linux.h: Likewise.
1644 * config/sparc/sparc.h: Likewise.
1645 * config/sparc/sysv4.h: Likewise.
1646 * config/stormy16/stormy16.h: Likewise.
1647 * config/v850/v850.h: Likewise.
1648 * config/vax/vms.h: Likewise.
1649 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1650 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1651 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1652 default_elf_asm_named_section for SHF_MERGE sections.
1654 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1656 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1659 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1661 * c-common.c (split_specs_attrs): Allow for empty attributes with
1662 empty TREE_PURPOSE. Fixes PR c/4294.
1664 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1666 * basic-block.h (cached_make_edge, make_single_succ): New.
1667 (make_edge): Remove first parameter.
1668 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1669 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1670 created edge; use obstack allocation.
1671 (make_edge, make_single_succ_edge): New.
1672 (first_removed_edge): New static variable.
1673 (init_flow): Initialize first_removed_edge and n_edges.
1674 (clear_edges): Use remove_edge.
1675 (flow_delete_block): Likewise.
1676 (remove_edge): Add removed edges to the removed edges list.
1677 (split_block, redirect_edge_and_branch_force, split_edge):
1679 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1680 (add_noreturn_fake_exit_edges): Likewise.
1681 (connect_infinite_loops_to_exit): Liekwise.
1682 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1683 Use cached_make_edge.
1684 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1685 * profile.c (branch_prob): Update make_edge call.
1686 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1688 2001-09-11 Richard Henderson <rth@redhat.com>
1690 * config/alpha/alpha.c: Tidy formatting.
1691 (local_symbolic_operand): Verify mode.
1692 (alpha_sa_mask): Ignore unicos for eh_return.
1693 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1694 * config/alpha/alpha.md (umk divsi patterns): Remove.
1695 (extendsfdf2): Remove unicos check.
1696 (tablejump): Merge vms and unicos code; always use direct set
1699 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1701 * config.gcc (alpha*-*-unicosmk*): New target.
1703 * config/alpha/alpha-protos.h (symbolic_operand,
1704 unicosmk_add_call_info_word, unicosmk_add_extern,
1705 unicosmk_defer_case_vector, unicosmk_unique_section,
1706 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1707 unicosmk_asm_file_start, unicosmk_asm_file_end,
1708 unicosmk_output_common): Declare.
1710 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1711 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1712 alpha_does_function_need_gp, alpha_end_function): Support Cray
1714 (alpha_init_machine_status, alpha_mark_machine_status,
1715 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1716 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1717 unicosmk_asm_named_section, unicosmk_insert_attributes,
1718 unicosmk_section_type_flags, symbolic_operand,
1719 unicosmk_output_module_name, unicosmk_output_default_externs,
1720 unicosmk_output_dex, unicosmk_output_externs,
1721 unicosmk_output_addr_vec, unicosmk_ssib_name,
1722 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1723 unicosmk_asm_file_end, unicosmk_output_common,
1724 unicosmk_section_type_flags, unicosmk_unique_section,
1725 unicosmk_add_call_info_word, unicosmk_text_section,
1726 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1727 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1728 unicosmk_dex_count, unicosmk_special_name): New.
1729 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1730 TARGET_ABI_UNICOSMK.
1731 (get_aligned_mem, alpha_expand_unaligned_load,
1732 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1733 alpha_expand_unaligned_store_words): Support big-endian mode.
1734 (print_operand): Likewise. New format specifier 't'. Use
1735 TARGET_AS_SLASH_BEFORE_SUFFIX.
1736 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1737 (alpha_pv_save_size): Update with above change.
1738 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1739 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1742 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1743 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1744 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1745 (EXTRA_CONSTRAINT): New constraint 'U'.
1746 (PREDICATE_CODES): Add symbolic_operand.
1748 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1749 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1750 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1751 (integer division and modulus patterns): Split in default and
1753 (*divmodsi_internal, *divmoddi_internal): Disable for
1754 TARGET_ABI_UNICOSMK.
1755 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1756 little-endian and big-endian versions.
1757 (ext, ins, msk): Likewise.
1758 (extv, extzv, insv): Support big-endian mode.
1759 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1760 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1761 *tablejump_umk_internal, *call_value_umk): New.
1762 (*movdi_nofix): Add pattern for loading an address into a register on
1763 TARGET_ABI_UNICOSMK.
1764 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1765 (umk_mismatch_args, arg_home_umk): New.
1766 (various insns): Don't use mov, fmov, nop, fnop and unop.
1767 (realign): Support TARGET_ABI_UNICOSMK.
1769 * config/alpha/unicosmk.h: New file.
1770 * config/alpha/t-unicosmk: New file.
1772 * fixinc/inclhack.def (unicosmk_restrict): New.
1773 * fixinc/fixincl.x: Regenerate.
1775 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1776 (wchar_t): Check for and define __WCHAR_T__.
1778 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1780 * combine.c (simplify_shift_const): Treat shifts by the mode
1783 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1785 * cpphash.h (struct tokenrun): New.
1786 (struct cpp_context): New member bol.
1787 (struct cpp_reader): New members.
1788 (_cpp_init_tokenrun): New.
1789 * cppinit.c (cpp_create_reader): Set up the token runs.
1790 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1791 (lex_token): New internalised version of _cpp_lex_token. Don't
1792 handle directives or the multiple include opimisation here any
1793 more. Simply lex a token.
1794 * cpplib.c (run_directive): Clear bol.
1795 (_cpp_pop_buffer): Set bol.
1796 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1799 2001-09-11 Michael Meissner <meissner@redhat.com>
1801 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1802 give an error if the user uses -mfp32.
1803 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1805 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1806 floating point register size.
1807 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1809 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1810 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1812 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1813 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1815 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1817 * dbxout.c (dbxout_parms): Fix typo in comment.
1818 * unroll.c (loop_find_equiv_value): Ditto.
1819 * toplev.c (rest_of_compilation): Ditto.
1820 * loop.c (scan_loop): Ditto.
1821 * dwarf2out.c (struct dw_fde_struct): Ditto.
1823 2001-09-10 Zack Weinberg <zackw@panix.com>
1825 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1826 copying identifier when we're just going to throw it away.
1827 (parse_identifier_slow): New routine to handle abnormal cases.
1828 (_cpp_lex_token): Update call site.
1830 * hashtable.c (ht_lookup): Don't assume that the string we've
1831 been given is NUL-terminated.
1832 * system.h: #define __builtin_expect(a, b) to (a) if not
1835 2001-09-10 Michael Meissner <meissner@redhat.com>
1837 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1840 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1842 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1844 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1846 * builtins.c (c_getstr): Correct thinko in last change and further
1849 2001-09-10 Tim Freeman <tim@fungibole.com>
1851 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1852 into varray's and register them as roots with the garbage
1853 collector so they are not collected too soon.
1855 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1857 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1859 * basic-block.h (flow_obstack, label_value_list,
1860 tail_recursion_label_list): Declare
1861 (tidy_fallthru_edges): Declare.
1862 (expunge_block, last_loop_beg_note): Delete.
1863 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1865 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1866 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1867 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1868 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1869 expunge_block, flow_delete_block, compute_bb_for_insn,
1870 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1871 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1872 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1873 try_redirect_by_replacing_jump, last_loop_beg_note,
1874 redirect_edge_and_branch, redirect_edge_and_branch_force,
1875 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1876 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1877 commit_edge_insertions, dump_flow_info, debug_flow_info,
1878 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1879 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1880 Move here from flow.c
1881 * cfganal.c: New file.
1882 (forwarder_block_p, can_fallthru, mark_critical_edges,
1883 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1884 find_unreachable_blocks, create_edge_list, free_edge_list,
1885 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1886 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1887 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1888 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1889 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1890 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1891 Move here from flow.c
1892 * cfgbuild.c: New file
1893 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1894 make_edges, find_basic_blocks_1, find_basic_blocks,
1895 find_sub_basic_blocks): Move here from flow.c
1896 * cfgcleanup.c: New file.
1897 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1898 merge_blocks_move_predecessor_nojumps,
1899 merge_blocks_move_successor_nojumps, merge_blocks,
1900 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1901 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1902 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1904 * cfgloop.c: New file
1905 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1906 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1907 flow_loop_exit_edges_find, flow_loop_nodes_find,
1908 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1909 flow_loop_tree_node_add, flow_loops_tree_build,
1910 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1911 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1912 Move here from flow.c
1913 * flow.c: Remove everything moved elsewhere
1914 * output.h (cleanup_cfg): Return bool.
1916 * bb-reorder.c (reorder_block_def): Remove 'index'.
1917 (insert_intra_1): Add argument BB, set block for new note.
1918 (make_reorder_chain): Do not depdent on BB indexes.
1919 (make_reorder_chain_1): Do not use BB indexes.
1920 (label_for_bb): Likewise; set BB for new insn.
1921 (emit_jump_to_block_after): Likewise.
1922 (fixup_reoder_chain): Sanity check that all basic blocks
1923 are chained; verify newly created insn chain; remove
1924 undocnitional jump simplifying; Do not use BB indexes;
1925 properly initialize count and frequency information;
1926 dump reordered sequence.
1927 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1928 (insert_inter_bb_scope_notes): Set block for new insn.
1929 (reorder_basic_blocks): Dump flow info before reoredering.
1931 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1933 * alias.c (clear_reg_alias_info): Use K&R format definition.
1934 Avoid unsigned warning.
1935 * builtins.c: Use "unsigned int", not "unsigned".
1936 (target_char_cast): Use host_integerp and tree_low_cst.
1937 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1938 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1939 (c_getstr): Likewise.
1940 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1941 (builtin_memcpy_read_str): Avoid unsigned warning.
1942 (expand_builtin_memcpy): Alignments are unsigned.
1943 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1944 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1945 * predict.c (expensive_function_p): LIMIT now unsigned.
1946 * resource.c (mark_target_live_regs): Make some vars unsigned.
1947 * sdbout.c: Use "unsigned int", not "unsigned".
1948 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1949 (sdbout_source_line): Likewise.
1950 (sdbout_record_type_name): Remove "const" for NAME declaration.
1951 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1953 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1955 * calls.c (store_one_arg): Expand comment.
1957 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1959 * calls.c (store_one_arg): Make sure that the entire argument is
1960 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1962 2001-09-09 Richard Henderson <rth@redhat.com>
1964 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1966 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1968 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1970 2001-09-09 Richard Henderson <rth@redhat.com>
1972 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1973 (alpha_this_literal_sequence_number): New.
1974 (alpha_this_gpdisp_sequence_number): New.
1975 (some_operand, input_operand): Add HIGH.
1976 (local_symbolic_operand): New.
1977 (alpha_encode_section_info): New.
1978 (alpha_legitimate_address_p): Allow LO_SUM.
1979 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1980 (alpha_expand_mov): Likewise.
1981 (secondary_reload_class): Check memory_operand not general_operand
1983 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1984 (alpha_expand_unaligned_store): Likewise.
1985 (alpha_expand_unaligned_load_words): Likewise.
1986 (alpha_expand_unaligned_store_words): Likewise.
1987 (alpha_expand_block_clear): Likewise.
1988 (print_operand): Handle %#, %*, %H.
1989 (print_operand_address): Handle LO_SUM.
1991 (alpha_does_function_need_gp): Use it.
1992 (alpha_expand_block_move): Fix signed compare warnings.
1993 (alpha_sa_mask, alpha_align_insns): Likewise.
1994 * config/alpha/alpha-protos.h: Update.
1995 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1996 (MASK_EXPLICIT_RELOCS): New.
1997 (TARGET_SWITCHES): Add -mexplicit-relocs.
1998 (EXTRA_CONSTRAINT): Add 'T'.
1999 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
2000 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
2001 (ENCODE_SECTION_INFO): Out line.
2002 (REDO_SECTION_INFO_P): New.
2003 (STRIP_NAME_ENCODING): New.
2004 (ASM_OUTPUT_LABELREF): New.
2005 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
2006 (PREDICATE_CODES): Update.
2007 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
2008 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
2009 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
2010 builtin_setjmp_receiver_er, exception_receiver_1_er,
2011 call_value_osf_1_er): New patterns.
2012 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
2013 (movqi, movhi, movsi): Add explicit $31 base register to lda.
2014 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
2015 (FINAL_PRESCAN_INSN): New.
2017 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
2019 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
2021 2001-09-08 Andreas Jaeger <aj@suse.de>
2023 * i386.h (TARGET_SWITCHES): Fix description.
2025 2001-09-07 David Edelsohn <edelsohn@gnu.org>
2027 * rs6000.c (num_insns_constant): Compute number of instructions
2030 * doc/install.texi: Explain AIX exception handling work-around.
2031 Update URL for AIX fixes.
2033 2001-09-07 Jim Wilson <wilson@redhat.com>
2035 * alias.c (clear_reg_alias_info): New.
2036 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
2037 * rtl.h (clear_reg_alias_info): Declare.
2039 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2041 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
2043 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
2044 (m16m,edivm,emulm): Change declaration to match definition.
2046 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2048 * reload.c (push_reload): Check for subreg_lowpart_p instead of
2049 SUBREG_BYTE being 0 when determining if the inner part of a subreg
2052 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2054 * c-common.c (signed_or_unsigned_type): Handle machine mode types
2055 which have no corresponding C type.
2056 * fold_const.c (target_isinf,target_isnan,target_negative): Update
2057 the representation of 64-bit doubles to work with 64-bit ints.
2059 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
2061 * config/mips/mips.c (override_options): Do not override ISA when ABI
2062 specified if MIPS_CPU_STRING_DEFAULT was specified.
2064 2001-09-07 Richard Henderson <rth@redhat.com>
2066 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
2067 (express_from_1): Wrap lines.
2068 * rtlanal.c (commutative_operand_precedence): Rename from
2069 operand_preference; export.
2070 * rtl.h: Declare it.
2071 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
2072 (simplify_binary_operation): Invoke simplify_plus_minus on
2073 (CONST (PLUS ...)) as well.
2074 (struct simplify_plus_minus_op_data): New.
2075 (simplify_plus_minus_op_data_cmp): New.
2076 (simplify_plus_minus): Use them. Avoid infinite recursion with
2077 simplify_binary_operation wrt CONST.
2079 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
2081 * h8300-protos.h (general_operand_dst_push): Remove.
2082 * h8300.c (general_operand_dst_push): Likewise.
2083 * h8300.h (OK_FOR_T): Likewise.
2084 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
2085 * h8300.md (pushqi_h8300): New.
2086 (pushqi_h8300hs): Likewise.
2088 (pushhi_h8300): Likewise.
2089 (pushhi_h8300hs): Likewise.
2092 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2094 * genattrtab.c (attr_printf): First arg is unsigned.
2095 Clean up formatting of callers.
2097 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
2099 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
2102 2001-09-07 Andreas Jaeger <aj@suse.de>
2104 * i386.h (TARGET_SWITCHES): Fix descriptions.
2106 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2108 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
2110 2001-09-06 Ira Ruben <ira@apple.com>
2112 Remove OP_IDENTIFIER.
2113 * tree.def (OP_IDENTIFIER): Remove.
2114 * tree.c (tree_node_kind enum): Remove op_id_kind.
2115 (tree_node_kind_names): Remove "op_identifiers".
2116 (make_node): Remove OP_IDENTIFIER test.
2117 (build_op_identifier): Removed because it isn't being used.
2118 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
2119 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
2121 2001-09-06 Richard Henderson <rth@redhat.com>
2123 * simplify-rtx.c (simplify_binary_operation): Revert last change.
2125 2001-09-06 Richard Henderson <rth@redhat.com>
2127 * simplify-rtx.c (simplify_binary_operation): Simplify contents
2130 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2132 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
2133 number used for CR register.
2135 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2136 Joern Rennecke (amylaar@cygnus.com)
2138 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
2139 * h8300.c (initial_offset): Handle offset between RP and FP.
2140 (h8300_return_addr_rtx): New function.
2141 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
2143 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
2144 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
2145 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
2146 (CAN_ELIMINATE, REGISTER_NAMES):
2147 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
2149 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
2151 Remove TYPE_NONCOPIED_PARTS.
2152 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
2153 (struct tree_type): Remove noncopied_parts.
2154 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
2155 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
2156 (fixed_type_p): Remove.
2157 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
2158 (expand_expr, MODIFY_EXPR): Likewise.
2159 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
2160 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
2162 2001-09-06 Alan Modra <amodra@bigpond.net.au>
2164 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
2166 (mask64_operand): Likewise.
2167 (includes_rldic_lshift_p): Likewise.
2168 (includes_rldicr_lshift_p): Likewise.
2170 2001-09-05 Ziemowit Laski <zlaski@apple.com>
2172 * objc/objc-act.c (build_message_expr): If a class method cannot
2173 be found, do not issue a warning if a corresponding instance
2174 method exists in the root class.
2176 2001-09-05 Richard Henderson <rth@redhat.com>
2178 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
2180 2001-09-05 Zack Weinberg <zack@codesourcery.com>
2182 * function.c (ggc_mark_struct_function): Mark f->outer.
2183 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
2184 * integrate.c (output_inline_function): ... not here.
2186 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2188 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
2190 * i386.c (size_cost): New static variable.
2191 (override_function): Use size_cost when -Os is specified.
2193 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
2194 properly; Use current_function_calls_eh_return.
2195 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
2196 use leave to avoid depdendancy chain.
2198 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
2199 get BB loop_depth instead of computing it from LOOP notes.
2201 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
2203 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2205 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2206 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2207 UNALIGNED_DOUBLE_INT_ASM_OP): Define
2209 2001-09-05 Jeffrey A Law (law@cygnus.com)
2210 Jason Merrill (jason@redhat.com)
2212 * stor-layout.c (layout_type): Complain if an array's size can
2213 not be represented in a size_t.
2215 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
2217 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
2219 * gcc.c: (process_command) Add parentheses around assignment
2220 used as truth value.
2222 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2224 * config/mips/mips.c (save_restore_insns): Don't mark any register
2225 save slots as unchanging if current_function_calls_eh_return.
2227 2001-09-05 Richard Henderson <rth@redhat.com>
2229 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
2230 * config/alpha/alpha-protos.h: Declare it.
2231 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
2232 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
2233 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
2234 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
2235 (REG_OK_FOR_BASE_P): Select one of the above.
2237 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2239 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
2240 (crti.o): Prefix name of object file with $(T).
2243 2001-09-05 David S. Miller <davem@redhat.com>
2245 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
2246 * config/sparc/linux64.h: Likewise.
2248 2001-09-05 Andreas Jaeger <aj@suse.de>
2250 * doc/invoke.texi (i386 Options): -mwide-multiply is not
2251 available anymore, remove the documentation.
2252 (i386 Options): Fix typo, cleanup index entries.
2254 * prefix.c (concat): Remove, we can use the version from liberty.
2256 2001-09-05 Richard Henderson <rth@redhat.com>
2258 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
2259 New functions split out of md file expanders.
2260 * config/alpha/alpha-protos.h: Declare them.
2261 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
2263 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
2265 * cppmacro.c (funlike_invocation_p): No need to restore context.
2267 2001-09-04 Richard Henderson <rth@redhat.com>
2269 * reload.c (push_reload): Export.
2270 * reload.h (push_reload): Declare it.
2272 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
2273 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2274 * config/alpha/alpha.c (alpha_legitimize_address): New.
2275 (alpha_legitimize_reload_address): Likewise.
2276 * config/alpha/alpha-protos.h: Declare them.
2278 2001-09-04 Stan Shebs <shebs@apple.com>
2280 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
2281 * config/darwin.c (machopic_stub_name): Account for internally
2282 generated lib calls such as memcpy.
2284 2001-09-04 Richard Henderson <rth@redhat.com>
2286 * unwind.h (_UA_END_OF_STACK): New flag.
2287 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
2289 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2291 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
2293 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
2295 * config/mips/mips.c (save_restore_insns): Change base_offset to
2296 fp_offset in second call to mips_emit_frame_related_store.
2298 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
2300 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
2301 sometimes be represented as a NOTE of type
2302 NOTE_INSN_DELETED_LABEL.
2303 (Insns): Document NOTE_INSN_DELETED_LABEL.
2305 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
2307 * c-common.h (tree_dump_index): Add more comments.
2308 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
2309 (dump_option_value_info): New struct.
2310 (dump_options): New array.
2311 (dump_switch_p): Parse switch options symbolically.
2312 * doc/invoke.texi (-fdump-ast): Rename to ...
2313 (-fdump-tree): ... here. Document that options are symbolic, and
2314 not all are applicable.
2316 2001-09-04 David S. Miller <davem@redhat.com>
2318 * config/sparc/sparc.md (define_splits): Kill constraints.
2320 Cleanup redundant and unused insn attributes.
2321 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
2322 binary, and move. Mark ialu as default.
2323 (commented out define_function_unit "alu"): Kill.
2324 (define_attr "use_clobbered"): Kill.
2325 (whole file): Kill address insn type references. Replace
2326 all unary/binary/move references with ialu.
2327 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
2328 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
2331 Simplify length insn attribute and make more judicious use
2332 of insn attribute defaulting.
2333 * config/sparc/sparc.md (all insns with length > one): Mark as
2334 insn type multi if real instructions, else use default if
2335 it is a forced splitter.
2336 (all insns with length == one): Use default insn length.
2337 (all insns of type ialu): Use default insn type.
2339 Fix erroneous insn attribute settings.
2340 (addx): Set insn type to misc.
2341 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
2342 const_umulsidi3_sp64): Set insn type to imul.
2344 Track SFmode vs DFmode insns according to UltraSPARC
2346 * config/sparc/sparc.md ("fptype"): New attribute, default
2348 (all DFmode single insns): Mark as fptype "double".
2350 2001-09-03 Jakub Jelinek <jakub@redhat.com>
2352 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
2354 2001-09-03 Richard Henderson <rth@redhat.com>
2356 * function.h (struct function): Add arg_pointer_save_area_init.
2357 * function.c (expand_function_end): Init arg_pointer_save_area.
2358 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
2359 when called from a nested function.
2361 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
2363 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
2366 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2368 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
2370 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
2372 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
2373 (emit_push_insn): Use specified padding direction when
2374 STACK_PUSH_CODE is POST_INC.
2376 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
2378 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2380 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
2382 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
2384 * cppinit.c (cpp_start_read): Free the imacros list as we
2385 traverse it. Don't free the chains before returning.
2386 (_cpp_push_next_buffer): Only try pushing buffers if we've
2387 completed -imacros handling.
2389 2001-08-31 Eric Christopher <echristo@redhat.com>
2391 * gcc.c (handle_braces): Add explaination for abort.
2393 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
2395 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
2396 move adjustment of bitpos instead.
2398 2001-08-31 Zack Weinberg <zack@codesourcery.com>
2400 * function.c: Remove all_functions. Make outer_function_chain
2402 (init_function_start): Don't add new function structure to
2404 (find_function_data, push_function_context_to,
2405 pop_function_context_from, put_var_into_stack,
2406 trampoline_address): Update for changed structure element names.
2407 (push_function_context_to): Disentangle.
2408 (free_after_compilation): Also free F.
2409 (expand_dummy_function_end): Don't free cfun here.
2410 (put_var_into_stack): Comment why we can't use find_function_data here.
2411 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
2412 (mark_function_chain): Split into maybe_mark_struct_function and
2413 ggc_mark_struct_function. Export the latter.
2414 (init_function_once): Mark from cfun and outer_function_chain;
2417 * function.h (struct function): Kill next_global. Rename next
2418 to outer. All users updated to match.
2419 (all_functions, outer_function_chain): Don't declare.
2421 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2422 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
2423 don't touch f->inlinable, after calling rest_of_compilation.
2425 * tree.h: Forward-declare struct function. Prototype
2426 ggc_mark_struct_function.
2428 2001-08-31 Kazu Hirata <kazu@hxi.com>
2430 * config/h8300/h8300.md (*andorhi3): Fix typos.
2432 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2434 * calls.c (emit_library_call_value): Don't use a fixed
2435 argument after VA_CLOSE, i.e. out of scope in traditional C.
2437 * emit-rtl.c (gen_rtvec): Likewise.
2439 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2441 * Makefile.in (c-pragma.o): Depend on output.h.
2442 (reorg.o): Depend on except.h.
2444 * c-pragma.c: Include output.h.
2446 * reorg.c: Include except.h.
2448 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2450 2001-08-31 Richard Henderson <rth@redhat.com>
2452 * sched-deps.c (add_dependence): Don't elide dependancy if the
2453 conditional used by insn is modified in elem.
2455 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2457 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2459 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2461 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2464 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2466 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2468 (stormy16_asm_out_constructor): New function.
2469 (TARGET_ASM_CONSTRUCTOR): Define.
2470 (TARGET_ASM_DESTRUCTOR): Define.
2472 2001-08-31 Andreas Jaeger <aj@suse.de>
2474 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
2475 * loop.c (add_label_notes): Likewise.
2476 * reload.c (find_reloads): Likewise.
2477 * config/sh/sh.c (machine_dependent_reorg): Likewise.
2479 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
2481 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
2482 code here. Take _Unwind_{W,Sw}ord*.
2483 (read_encoded_value_with_base): Use them.
2484 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
2486 (extract_cie_info): Simplify read_?leb128 handling.
2487 (execute_stack_op, execute_cfa_program): Likewise.
2488 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2490 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2492 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2493 the frame pointer to pop the stack if convenient.
2495 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2496 Don't use post-increment before combine.
2497 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
2498 a call-saved register.
2500 2001-08-31 Andreas Jaeger <aj@suse.de>
2502 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2505 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2507 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2508 not DIV/MOD, of course.
2510 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2512 * rtl.def: Undo my patch commited 2001-08-27.
2514 * genattrtab.c: Ditto.
2518 * sched-int.h: Ditto.
2520 * target-def.h: Ditto.
2524 * haifa-sched.c: Ditto.
2526 * sched-rgn.c: Ditto.
2528 * sched-vis.c: Ditto.
2530 * Makefile.in: Ditto.
2532 * doc/md.texi: Ditto.
2534 * doc/tm.texi: Ditto.
2536 * doc/contrib.texi: Ditto.
2538 * doc/gcc.texi: Ditto.
2540 * genattrtab.h: Remove it.
2542 * genautomata.c: Remove it.
2544 * genattr.c: Undo my patch and Richard Henderson's patch commited
2547 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2549 * config.gcc (h8300-*-elf*): New case.
2550 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2551 (SUBTARGET_CPP_SPEC): Define.
2552 (EXTRA_SPECS): Define.
2553 (SUBTARGET_EXTRA_SPECS): Define.
2554 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2555 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2557 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2559 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2560 (LIB2FUNCS_EXTRA): Define.
2561 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2562 config/h8300/fixunssfsi.c: New file.
2564 2001-08-30 Kazu Hirata <kazu@hxi.com>
2566 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2567 define_expand to accomodate target-specific attributes.
2568 (anonymous zero_extendqihi2 patterns): New.
2570 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2572 * h8300.md (*andorhi3): New pattern.
2574 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2576 * h8300.c (dosize): Fix test for "sub".
2578 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2580 * c-typeck.c (pointer_diff): Try to eliminate common term before
2583 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2585 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2586 Account for the saves of the FP registers.
2588 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2589 (TEXT_SECTION_ASM_OP): Define.
2590 (INIT_SECTION_ASM_OP): Define.
2591 (FINI_SECTION_ASM_OP): Define.
2592 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2593 (RDATA_SECTION_FUNCITON): Provide prototype.
2595 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2597 * reload1.c (move2add_note_store): Correct typo checking for
2600 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2602 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2603 note should not be considered outside the libcall block.
2605 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2607 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2609 2001-08-29 Kazu Hirata <kazu@hxi.com>
2611 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2613 2001-08-29 Kazu Hirata <kazu@hxi.com>
2615 * config/h8300/h8300-protos.h: Add a prototype for
2617 * config/h8300/h8300.c (emit_logical_op): New.
2618 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2625 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2627 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2628 comparison with rtx INTVAL.
2629 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2631 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2633 2001-08-29 Kazu Hirata <kazu@hxi.com>
2635 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2638 2001-08-29 Kazu Hirata <kazu@hxi.com>
2640 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2641 (reg n) to (mem (pre_dec (reg n))
2642 (anonymous movsi pattern): Likewise.
2644 2001-08-29 Kazu Hirata <kazu@hxi.com>
2646 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2648 2001-08-29 Kazu Hirata <kazu@hxi.com>
2650 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2651 several special constants.
2653 2001-08-29 Kazu Hirata <kazu@hxi.com>
2655 * config/h8300/lib1funcs.asm: Fix comment typos.
2657 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2659 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2660 Fix format specifier warnings.
2662 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2663 inet_makeaddr, semctl): Prototype.
2665 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2666 (save_restore_insns): Use base_offset, not gp_offset.
2668 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2669 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2671 2001-08-29 Richard Henderson <rth@redhat.com>
2673 * bb-reorder.c (function_tail_eff_head): New.
2674 (record_effective_endpoints): Set it.
2675 (fixup_reorder_chain): Use it.
2677 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2679 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2681 2001-08-28 Dale Johannesen <dalej@apple.com>
2683 * config/darwin.c (machopic_function_base_name): Add const
2684 qualifier to a string.
2685 (darwin_encode_section_info): Ditto.
2687 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2689 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2690 function definition.
2692 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2694 * df.h (struct df): Add rts_order variable.
2696 * df.c (df_visit_next_rts): New function.
2697 (df_visit_next): Renamed to df_visit_next_rc
2698 (df_analyse_1): Allocate/compute/free rts_order as well.
2699 (df_rd_global_compute): Use df_visit_next_rc instead of
2701 (df_ru_global_compute): Use df_visit_next_rts instead of
2704 * flow.c (flow_reverse_top_sort_order_compute): New function.
2706 * basic-block.h: Add prototype.
2708 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2710 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2711 blocks, the BB_REACHABLE is now set, rather than aux being
2712 non-NULL. Update the test to reflect this.
2714 2001-08-28 Eric Christopher <echristo@redhat.com>
2716 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2717 config/mips/crti.asm: Ditto.
2719 2001-08-28 Eric Christopher <echristo@redhat.com>
2720 Richard Henderson <rth@redhat.com>
2722 * c-pragma.h (add_weak): Move prototype from here...
2723 * output.h (add_weak): ... to here.
2724 * varasm.c (add_weak): Fix typo.
2725 * config/mips/crti.asm: New file.
2726 * config/mips/crtn.asm: Ditto.
2727 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2728 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2729 (INVOKE__main): Ditto.
2730 (INIT_SECTION_ASM_OP): New.
2731 (FINI_SECTION_ASM_OP): Ditto.
2732 (STARTFILE_SPEC): Add crti.
2733 (ENDFILE_SPEC): Add crtn.
2734 * config/mips/elf64.h: Same.
2735 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2737 * config/mips/vxworks.h: Ditto.
2738 * config/mips/t-elf: Support crti and crtn.
2740 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2742 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2745 2001-08-28 Richard Henderson <rth@redhat.com>
2747 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2748 (one_cmplbi2 splitter): Remove redundant test.
2750 2001-08-28 Dale Johannesen <dalej@apple.com>
2752 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2754 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2756 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2758 2001-08-28 Stan Shebs <shebs@apple.com>
2760 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2761 (UNALIGNED_SHORT_ASM_OP): Define.
2762 (UNALIGNED_INT_ASM_OP): Define.
2764 2001-08-28 Will Cohen <wcohen@redhat.com>
2766 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2767 generation for first set.
2769 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2771 * flow.c (redirect_edge_succ_nodup): Return new edge.
2772 (try_simplify_condjump): Use new edge.
2773 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2775 * cse.c (cse_basic_block): Skip note instructions.
2777 2001-08-27 Richard Henderson <rth@redhat.com>
2779 * combine.c (combine_simplify_rtx): Don't reverse condition
2780 if there is no reverse for the condition.
2781 (simplify_comparison): Don't simplify subregs from INT to FP.
2783 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2784 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2785 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2786 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2787 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2788 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2790 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2792 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2793 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2795 (adddi_dilshr32, adddi_dishl32): Only data register can be
2796 source for mem destination.
2798 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2799 and use bitnum to decide about register move.
2801 2001-08-27 Richard Henderson <rth@redhat.com>
2803 * genattr.c (main): Emit state_t even when not doing scheduling.
2805 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2806 Richard Henderson <rth@redhat.com>
2808 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2809 (reg_avail_info, current_bb): ... these.
2810 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2811 (compute_hash_table): Likewise.
2813 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2815 * flow.c (verify_flow_info): Use checksums to verify edges.
2817 2001-08-27 Richard Henderson <rth@redhat.com>
2819 * genautomata.c (expand_automata): Always create a description.
2821 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2823 * optabs.c (expand_binop): Correctly handle the carry in multiword
2824 add/subtract operations.
2826 2001-08-27 Fred Fish <fnf@be.com>
2828 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2831 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2833 * reload.c (find_reloads_toplev): Back out this change:
2835 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2837 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2838 mem if the address is a mode_dependent_address_p.
2840 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2842 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2843 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2844 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2847 * genattr.c (main): New variable num_insn_reservations. Increase
2848 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2849 pipeline hazard recognizer interface.
2851 * genattrtab.h: New file.
2853 * genattrtab.c: Include genattrtab.h.
2854 (attr_printf, check_attr_test, make_internal_attr,
2855 make_numeric_value): Move protypes into genattrtab.h. Define them
2857 (num_dfa_decls): New global variable.
2858 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2859 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2860 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2861 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2863 * genautomata.c: New file.
2865 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2867 * sched-int.h: (curr_state): Add the external definition for
2868 automaton pipeline interface.
2869 (haifa_insn_data): Add comments for members blockage and units.
2871 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2872 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2873 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2874 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2875 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2876 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2877 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2879 (TARGET_SCHED): Use the new macros.
2881 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2882 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2883 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2884 dfa_bubble): New members in gcc_target.sched.
2886 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2887 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2888 (insn_queue): Redefine it as pointer to array.
2889 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2891 (max_insn_queue_index_macro_value): New variable.
2892 (curr_state, dfa_state_size, ready_try): New varaibles for
2893 automaton interface.
2894 (ready_element, ready_remove, max_issue): New function prototypes
2895 for automaton interface.
2896 (choose_ready): New function prototype.
2897 (insn_unit, blockage_range): Add comments.
2898 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2899 FUNCTION_UNITS_SIZE == 0.
2900 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2901 actual_hazard, potential_hazard): Add comments.
2902 (insn_cost): Use cost -1 as undefined value. Remove
2903 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2905 (ready_element, ready_remove): New functions for automaton
2907 (schedule_insn): Add new code for automaton pipeline interface.
2908 (queue_to_ready): Add new code for automaton pipeline interface.
2909 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2910 (debug_ready_list): Print newline when the queue is empty.
2911 (max_issue): New function for automaton pipeline interface.
2912 (choose_ready): New function.
2913 (schedule_block): Add new code for automaton pipeline interface.
2914 Print ready list before scheduling each insn.
2915 (sched_init): Add new code for automaton pipeline interface.
2916 Initiate insn cost by -1.
2917 (sched_finish): Free the current automaton state and finalize
2918 automaton pipeline interface.
2920 * sched-rgn.c: Include target.h.
2921 (init_ready_list, new_ready, debug_dependencies): Add new code for
2922 automaton pipeline interface.
2924 * sched-vis.c: Include target.h.
2925 (get_visual_tbl_length): Add code for automaton interface.
2926 (target_units, print_block_visualization): Add comments.
2928 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2929 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2930 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2931 (getruntime.o, genautomata.o): New entries.
2932 (genattrtab.o): Add new dependency file genattrtab.h.
2933 (genattrtab): Add new dependencies. Link it with `libm.a'.
2934 (getruntime.o, hashtab.o): New entries for canadian cross.
2936 * doc/md.texi: Description of automaton based model.
2938 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2940 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2941 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2942 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2943 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2944 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2945 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2946 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2948 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2949 MAX_DFA_ISSUE_RATE): New macro descriptions.
2951 * doc/contrib.texi: Add dfa based scheduler contribution.
2953 * doc/gcc.texi: Add more information about genattrtab.
2955 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2957 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2960 2001-08-27 Richard Henderson <rth@redhat.com>
2962 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2963 (get_arg_pointer_save_area): New. Create an init it here.
2964 (fix_lexical_addr): Use it.
2965 * function.h: Declare it.
2966 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2967 * stmt.c (expand_nl_goto_receiver): Use it.
2969 2001-08-27 Richard Henderson <rth@redhat.com>
2971 * final.c (final_scan_insn): Don't enter APP_ON mode for
2974 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2975 alignment for assemble_integer for DW_EH_PE_aligned.
2976 * except.c (output_function_exception_table): Likewise.
2978 2001-08-26 Andreas Jaeger <aj@suse.de>
2980 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2982 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2984 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2986 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2988 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2990 (mask64_operand): Likewise.
2991 (rldic_operand): Delete.
2992 (includes_lshift64_p): Delete.
2993 (includes_rldic_lshift_p): New function.
2994 (includes_rldicr_lshift_p): New function.
2995 (print_operand): Don't call rldic_operand in case 'W'.
2996 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2997 (includes_lshift64_p): Remove.
2998 (includes_rldic_lshift_p): Declare.
2999 (includes_rldicr_lshift_p): Declare.
3000 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
3001 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
3002 Replace match_operand rldic_operand predicate with
3003 const_int_operand. Replace includes_lshift64_p condition with
3004 includes_rldic_lshift_p.
3005 <ashldi3_internal 64 bit rldicr patterns>: New.
3007 2001-08-27 Andreas Jaeger <aj@suse.de>
3009 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3010 * errors.c: Likewise.
3011 * final.c: Likewise.
3012 * dwarf2asm.c: Likewise.
3013 * doprint.c (checkit): Likewise.
3014 * diagnostic.c: Likewise.
3015 * collect2.c: Likewise.
3016 * calls.c: Likewise.
3017 * c-semantics.c (build_stmt): Likewise.
3018 * c-format.c (status_warning): Likewise.
3019 * c-errors.c (pedwarn_c99): Likewise.
3020 * builtins.c (validate_arglist): Likewise.
3021 * config/pj/pj.c (pj_printf): Likewise.
3022 * fix-header.c: Likewise.
3024 * gcov.c (fnotice): Likewise.
3025 * gensupport.c (message_with_line): Likewise.
3026 * mips-tfile.c: Likewise.
3027 * protoize.c (notice): Likewise.
3028 * read-rtl.c (fatal_with_file_and_line): Likewise.
3029 * rtl-error.c: Likewise.
3030 * tradcpp.c: Likewise.
3032 * cp/tree.c (build_min_nt): Likewise.
3033 (build_min): Likewise.
3034 * cp/lex.c: Likewise.
3035 * cp/errfn.c: Likewise.
3036 * cp/rtti.c (create_pseudo_type_info): Likewise.
3038 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
3040 * df.c (df_uses_record): Return after recording all uses
3043 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
3045 * df.c (df_insn_modify): Realloc the INSN table here, if
3046 necessary, here, too.
3048 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
3050 * config/mips/mips.c (mips_function_value): Handle complex return
3053 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
3055 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
3057 * reload.c (make_memloc): Copy result if it is still
3058 reg_equiv_memory_loc[regno] on return.
3059 (subst_reloads) [ENABLE_CHECKING]: Check that none of
3060 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
3061 reg_equiv_mem are modified by the substitutions.
3063 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3065 * predict.c (expensive_function_p): New.
3066 * rtl.h (expensive_function_p): Declare.
3067 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
3068 (use_fast_prologue_epilogue): New static variable.
3069 (expand_prologue): Set it; emit short prologues if unset.
3070 (expand_epilogue): Likewise.
3072 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3074 * config.gcc: Add stormy16-*-elf case.
3075 * config/stormy16/stormy-abi: New file.
3076 * config/stormy16/stormy16-lib2.c: New file.
3077 * config/stormy16/stormy16-protos.h: New file.
3078 * config/stormy16/stormy16.c: New file.
3079 * config/stormy16/stormy16.h: New file.
3080 * config/stormy16/stormy16.md: New file.
3081 * config/stormy16/t-stormy16: New file.
3083 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
3085 * i386.h (no-accumulate-outgoing-args): Use proper mask.
3087 2001-08-24 David Edelsohn <edelsohn@gnu.org>
3089 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
3090 descriptor members are pointer size, not constant 4.
3091 * config/rs6000/rs6000.md (define_splits): Remove more unused
3094 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3096 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
3098 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
3100 * cp/rtti.c (VPARAMS): Fix parameter.
3102 2001-08-24 Zack Weinberg <zackw@panix.com>
3104 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
3106 (mode_for_extraction): No need for #ifdefs. Add default-case abort
3108 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
3109 in if controlling use of insv.
3110 (extract_bit_field): Likewise, for extv and extzv.
3112 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3114 * i386.md (movcc peep2): Fix load of 0.
3116 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3118 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
3119 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
3121 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
3123 * c-pragma.h: Move weak_syms and weak_decls...
3124 * varasm.c: ...here. Now static.
3125 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
3126 depend on HANDLE_PRAGMA_WEAK.
3128 * c-common.c (c_alignof, c_alignof_expr): Move here...
3129 * c-typeck.c: ...from here.
3130 * c-tree.h, c-common.h: Adjust.
3132 2001-08-23 Bernd Schmidt <bernds@redhat.com>
3134 * config/ia64/ia64.c (rws_update): If !pred, set write_count
3135 instead of incrementing it.
3137 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
3138 asm ready, don't try to move them all into the same array element.
3140 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3142 * function.c (thread_prologue_and_epilogue_insns): Avoid
3143 fallthru flag on edge to exit.
3145 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
3147 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
3150 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3152 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
3153 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
3154 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
3157 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3159 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
3160 replace "GNU CC" with "GCC".
3162 2001-08-23 Richard Henderson <rth@redhat.com>
3164 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
3165 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
3166 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
3167 Need GR between FR and not GR_AND_FR.
3168 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
3169 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
3170 AR regs before GR regs.
3171 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3172 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
3173 (REGISTER_MOVE_COST): Update.
3174 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
3176 2001-08-23 Richard Henderson <rth@redhat.com>
3178 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
3181 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3183 * reload1.c (emit_reload_insns): Don't look for notes
3184 on a NULL store_insn.
3186 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3188 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
3189 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
3190 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
3191 format specifier warnings.
3192 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
3194 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
3196 * config/i386/i386-protos.h: Correct declaration of
3197 i386_pe_asm_named_section.
3199 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
3201 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
3203 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3205 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3207 * cpperror.c (print_location): Don't show _Pragma.
3208 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
3209 and file change callback generation here.
3210 (stack_include_file): Update use of cpp_push_buffer.
3211 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
3212 (struct cpp_buffer): Remove type, pfile members.
3213 * cppinit.c (cpp_handle_option): Use free_chain.
3214 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
3215 (skip_escaped_newlines, get_effective_char, lex_percent): Take
3216 a cpp_reader rather than a cpp_buffer.
3217 (skip_escaped_newlines, get_effective_char, skip_block_comment,
3218 skip_line_comment, parse_string, lex_percent, lex_dot,
3219 _cpp_lex_token): Update accordingly.
3220 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
3222 (cpp_push_buffer): Update prototype.
3223 (run_directive): Update use of cpp_push_buffer.
3224 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
3225 handle_assertion): Update use of run_directive.
3226 * cpplib.h (enum cpp_buffer_type): Remove.
3227 (cpp_push_buffer): Update prototype.
3228 * fix-header.c (read_scan_file): Update.
3230 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3232 * gcc.c (struct prefix_list): Change prefix to const char *.
3234 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3236 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
3238 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
3240 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
3243 * jump.c (squeeze_notes): Take parms by reference. Handle END being
3246 * ifcvt.c (dead_or_predicable): Adjust.
3247 * loop.c (find_and_verify_loops): Adjust.
3248 * stmt.c (expand_end_case): Adjust.
3249 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
3250 head and end insn pointers in the basic block, not just local copies.
3251 (merge_blocks_move_predecessor_nojumps): Likewise.
3253 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
3255 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
3256 bitmap.h, builtin-types.def, builtins.c, builtins.def,
3257 c-aux-info.c, c-common.c, c-common.def, c-common.h,
3258 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
3259 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
3260 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
3261 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
3262 conditions.h, config.gcc, configure.frag, configure.in,
3263 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
3264 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
3265 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
3266 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
3267 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
3268 emit-rtl.c, errors.c, errors.h, except.c, except.h,
3269 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
3270 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
3271 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
3272 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
3273 gencheck.c, gencodes.c, genconfig.c, genemit.c,
3274 genextract.c, genflags.c, gengenrtl.c, genmultilib,
3275 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
3276 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
3277 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
3278 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
3279 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
3280 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
3281 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
3282 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
3283 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
3284 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
3285 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
3286 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
3287 params.h, predict.c, predict.def, predict.h, prefix.c,
3288 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
3289 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
3290 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
3291 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
3292 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
3293 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
3294 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
3295 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
3296 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
3297 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
3298 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
3299 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
3300 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
3301 xcoffout.h: replace "GNU CC" with "GCC".
3303 2001-08-21 Richard Henderson <rth@redhat.com>
3305 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
3306 (final_scan_insn): Consider jump tables data even if we have no
3307 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
3309 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
3310 (ASM_OUTPUT_CASE_END): Remove.
3311 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
3312 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
3313 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
3315 2001-08-21 Richard Henderson <rth@redhat.com>
3317 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
3318 at barrier insns. Emit stop bits before barriers.
3320 * flow.c (flow_find_cross_jump): Don't consider unconditional
3321 return insns for commoning.
3323 * final.c (compute_alignments): Fix typo.
3325 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
3326 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
3327 (store_bit_field): Use mode_for_extraction more places.
3328 (extract_bit_field): Likewise.
3330 2001-08-21 Zack Weinberg <zackw@panix.com>
3332 * caller-save.c: Don't include insn-codes.h.
3333 (reg_save_code, reg_restore_code): Make arrays of int.
3334 All uses updated to match.
3335 (insert_save, insert_restore): No need to initialize "code"
3336 variable upon declaration.
3337 * Makefile.in: update dependencies; fix typo in clean rule.
3339 2001-08-21 Richard Henderson <rth@redhat.com>
3341 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
3342 (merge_if_block): Handle fallout from same.
3344 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3346 * builtins.c (type_to_class): Fix typo in last change.
3348 2001-08-21 Richard Henderson <rth@redhat.com>
3350 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
3351 ia64_asm_output_label.
3353 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
3354 copy of gp while the real gp register contains garbage.
3356 2001-08-21 Zack Weinberg <zackw@panix.com>
3358 * expmed.c (mode_for_extraction): New function.
3359 (store_bit_field, extract_bit_field): Use it.
3360 * expr.h: Prototype it and provide an enum for its first argument.
3362 * combine.c, function.c, recog.c: Don't include insn-codes.h.
3363 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
3364 and digging through the insn_data tables.
3365 * Makefile.in: Update dependencies.
3367 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3369 * cppfiles.c (stack_include_file): line-map.c now handles include
3371 (handle_missing_handler): Similarly.
3372 (_cpp_execute_include): Similarly.
3373 (_cpp_pop_file_buffer): Similarly.
3374 * cpphash.h (struct cpp_reader): Remove system_include_depth,
3375 buffer_stack_depth and include_depth.
3376 * cpplib.c (do_include_common): line-map.c now handles include depth.
3377 (cpp_push_buffer): Similarly.
3378 (_cpp_pop_buffer): Similarly.
3379 * cppmacro.c (builtin_macro): Update.
3380 * line-map.c (init_line_maps): Set depth.
3381 (add_line_map): Increment "used" earlier. Update and use the
3383 (trace_include): Use the include depth.
3384 * line-map.h (struct line_maps): New member depth.
3386 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3388 * cppfiles.c (stack_include_file): Don't handle -H here.
3389 * cppinit.c (cpp_start_read): Set include tracing after
3390 cpp_post_options and after stacking the main file.
3391 * line-map.c (trace_include): New.
3392 (init_line_maps, add_line_map): Update.
3393 * line-map.h (struct line_maps): New member trace_includes.
3395 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3397 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
3398 * cppfiles.c (stack_include_file): Only stack a file if there
3399 is something to do. Return a boolean indicating whether a
3400 buffer was stacked or not.
3401 (_cpp_execute_include): Similarly.
3402 (_cpp_read_file): Similarly.
3403 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
3405 2001-08-21 Sam Steingold <sds@gnu.org>
3407 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
3408 (RECACHE): keep obufp_before_macroname up to date
3410 2001-08-21 Zack Weinberg <zackw@panix.com>
3412 * stmt.c: Don't include insn-codes.h.
3413 (expand_end_case): Machine specific logic moved to expr.c.
3414 No need to worry about __builtin_classify_type.
3415 (check_for_full_enumeration_handling, emit_case_nodes):
3418 * builtins.o (expand_builtin_classify_type): Split up so code
3419 can be shared with fold_builtin_classify_type.
3420 (type_to_class, fold_builtin_classify_type): New functions.
3421 (fold_builtins): Handle __builtin_classify_type.
3423 * expr.c (do_tablejump): Now static.
3424 (case_values_threshold, try_casesi, try_tablejump): New;
3425 code mostly from stmt.c (expand_end_case).
3426 (expr.h): Update prototypes.
3428 * Makefile.in (stmt.o): Update dependencies.
3430 2001-08-21 Will Cohen <wcohen@redhat.com>
3432 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3433 declaration of variable i.
3434 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3435 declaration of variable i.
3437 2001-08-21 Richard Henderson <rth@redhat.com>
3439 * crtstuff.c: Fix thinko last change. Move list tails to start
3440 of CRT_END section. Tidy ifdefs.
3441 (__EH_FRAME_BEGIN__): Always static for ELF.
3442 (__do_global_ctors_1): Rename from __frame_dummy.
3443 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3444 name change; don't hide __EH_FRAME_BEGIN__.
3446 2001-08-21 Richard Henderson <rth@redhat.com>
3448 * gdbinit.in: Move break on exit after break on fancy_abort.
3450 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3453 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3455 * cpphash.h (_cpp_push_next_buffer): New.
3456 * cppinit.c (do_includes): Remove.
3457 (push_include, free_chain, _cpp_push_next_buffer): New.
3458 (cpp_start_read): Use them to rework command line option handling.
3459 (cpp_handle_option): Combine handling of -include and -imacros.
3460 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3461 appropriate. Always insert missing \n at EOF.
3462 * cpplib.c (start_directive): Get the directive position right.
3463 * cppmain.c (cb_file_change): Always print the first line, unless
3466 2001-08-20 Andreas Jaeger <aj@suse.de>
3468 * profile.c (compute_branch_probabilities): Remove extra new-line
3470 * flow.c (verify_flow_info): Likewise.
3472 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3474 * basic-block.h (basic_block): Add new field 'flags'.
3475 (BB_REACHABLE): Define.
3476 (expunge_block): Declare.
3477 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
3478 (EXIT_BLOCK_PTR): Ditto.
3479 (expunge_block): Remove static declaration.
3480 (cleanup_cfg): Clear bb->aux on every basic block.
3481 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
3482 computing reachability.
3483 (delete_unreachable_blocks): Delete block b if b->flags has
3486 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3488 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3490 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3492 * sparc.c (sparc_variable_issue): Fix typo in last change.
3494 2001-08-20 Richard Henderson <rth@redhat.com>
3496 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
3498 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
3500 * pa.h (RETURN_IN_MEMORY): Improve comment.
3502 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3504 * doc/invoke.texi (Profiling options): Clarify the interactions
3505 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3507 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3509 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3512 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3514 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3517 2001-08-20 Richard Henderson <rth@redhat.com>
3519 * final.c (end_final): Fix typo last change.
3521 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3523 * cppinit.c (init_standard_includes): The returned buffer
3524 is already malloc-ed.
3525 * gcc.c (add_prefix): Similarly.
3526 * prefix.c (translate_name): Update to support clear buffer
3528 (update_path): Similarly. Be sure to free any newly allocated
3529 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3531 * prefix.h (update_path): Update prototype and document.
3532 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3533 up and update to new buffer ownership rules.
3534 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3536 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3538 * final.c (compute_alignments): New function.
3539 (init_insn_lengths): Do not care label_align.
3540 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3541 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3542 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3543 (shorted_branches): Realloc label_align array; do
3544 not call init_insn_lengths; Do not care about loop alignments.
3545 * output.h (compute_alignments): Declare.
3546 * toplev.c (rest_of_compilation): Call compute_alignments.
3547 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3549 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3550 change visited to tovisit.
3551 (propagate_freq): Use faster traversing algorithm.
3552 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3553 to tovisit; reverse meaning.
3555 * predict.c (struct block_info_def): Remove nvisited.
3556 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3557 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3559 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3561 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3562 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3563 (TARGET_FUSED_MADD): New.
3564 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3565 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3566 the multiply-add instructions.
3568 2001-08-19 Richard Henderson <rth@redhat.com>
3570 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3571 is aligned to pointer size.
3573 2001-08-19 Richard Henderson <rth@redhat.com>
3575 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3576 display markers during final schedule.
3578 2001-08-19 Richard Henderson <rth@redhat.com>
3580 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3582 2001-08-19 Richard Henderson <rth@redhat.com>
3584 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3586 (ASM_NAME_TO_STRING): Remove.
3587 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3588 in the same string. Remove support for expressions.
3590 2001-08-19 Richard Henderson <rth@redhat.com>
3592 * config/i386/i386.md (tablejump): Make an expander; handle
3593 pic relative addressing here.
3594 (tablejump_1): Rename from tablejump_pic.
3597 2001-08-19 Richard Henderson <rth@redhat.com>
3599 * regclass.c (fix_register): Fix typo.
3601 2001-08-18 Richard Henderson <rth@redhat.com>
3603 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3604 (struct _Unwind_Context): Expand br_loc to hold it.
3605 (uw_frame_state_for): Handle leaf functions better.
3606 (uw_update_reg_address): Update for br_loc change.
3608 2001-08-18 Richard Henderson <rth@redhat.com>
3610 * crtstuff.c: Move list heads before code that uses them.
3611 (__JCR_LIST__): Remove initial null.
3612 (frame_dummy, __frame_dummy): Do java registration here ...
3613 (__do_global_ctors_aux): ... not here.
3615 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3616 (__do_global_dtors_aux): Update to match.
3617 (__JCR_LIST__, __do_jv_register_classes): New.
3619 * config/ia64/crtend.asm (__JCR_END__): New.
3620 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3621 instead of an indirect LTOFF22 reloc.
3623 2001-08-18 Richard Henderson <rth@redhat.com>
3625 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3626 * regclass.c (init_reg_sets_1): Fix typo.
3627 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3628 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3629 (ia64_compute_frame_size): Make ar.unat live when in use.
3630 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3631 for ar.pfs; remove ar.unat handling.
3632 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3634 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3635 * config/ia64/ia64-protos.h: Update decls.
3636 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3637 (sibcall_pic): Likewise.
3639 2001-08-18 Richard Henderson <rth@redhat.com>
3641 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3642 pred_rel_mutex when searching for insn_group_barrier.
3643 * config/ia64/ia64.md (cycle_display): Combine the expander
3646 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3647 bit before asm as needed.
3649 2001-08-18 Richard Henderson <rth@redhat.com>
3651 * timevar.def (TV_MACH_DEP): New.
3652 * toplev.c (rest_of_compilation): Use it.
3653 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3655 2001-08-18 Zack Weinberg <zackw@panix.com>
3657 * unwind-dw2.c (execute_stack_op): Add default aborts to
3658 the inner switches to prevent warnings.
3660 2001-08-18 Richard Henderson <rth@redhat.com>
3662 * timevar.h (struct timevar_time_def): Change element type to float.
3663 (ticks_to_msec, clocks_to_msec): Likewise.
3664 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3665 (get_time): Likewise.
3666 (timevar_print): Adjust zero check and printing to match.
3668 2001-08-18 Zack Weinberg <zackw@panix.com>
3670 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3671 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3672 Eliminate overfull or underfull hboxes.
3674 2001-08-18 Zack Weinberg <zackw@panix.com>
3676 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3678 2001-08-18 Zack Weinberg <zackw@panix.com>
3680 * haifa-sched.c: Convert to target hooks. Macros replaced
3681 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3682 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3683 MD_SCHED_FINISH, and HAVE_cycle_display.
3684 * target-def.h (TARGET_SCHED_ADJUST_COST,
3685 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3686 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3687 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3688 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3689 New hook #defines to be overridden.
3690 (TARGET_SCHED): Bring them all together.
3691 (TARGET_INITIALIZER): Update.
3692 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3693 instead of 'struct rtx_def *' throughout.
3694 (struct sched): New set of hooks for the scheduler.
3695 * Makefile.in (haifa-sched.o): Depend on target.h.
3696 * doc/tm.texi: Document the new scheduler hooks, together in
3697 their own section, instead of scattered around.
3698 Fix a bunch of underfull/overfull hboxes.
3700 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3701 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3702 sparc.h: Don't define any of the old scheduler macros.
3704 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3705 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3706 sparc.c: Create hook functions from code extracted from
3707 corresponding target header, or make existing hooks static, as
3708 appropriate. Set the appropriate entries in targetm.
3710 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3711 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3712 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3713 Remove prototypes for functions which are now static.
3715 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3716 related gunk; the Haifa scheduler is now the only choice.
3718 2001-08-18 Zack Weinberg <zackw@panix.com>
3720 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3721 * genopinit.c: Put floating point divide insns in sdiv_optab.
3722 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3723 * config/gofast.h, config/c4x/c4x.h,
3724 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3725 config/pa/long_double.h, config/rs6000/sysv4.h,
3726 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3727 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3728 (init_optabs): Use init_optabv for overflow-trapping optabs.
3729 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3730 cmp_optab RTX codes so have_insn_for can find them.
3732 * optabs.c (expand_simple_binop, expand_simple_unop,
3733 have_insn_for, gen_sub3_insn): New interfaces.
3734 * expr.h: Prototype new functions.
3735 (enum optab_methods): Move here from optabs.h.
3737 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3738 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3739 Use new functions instead of working directly with optabs.
3740 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3741 unroll.c: Don't include optabs.h.
3742 * caller-save.c, combine.c, function.c, stmt.c: Just include
3743 insn-codes.h, not optabs.h.
3744 * Makefile.in: Update dependencies.
3746 * combine.c (make_compound_operation, simplify_comparison):
3747 Fix typos testing for this or that instruction.
3749 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3751 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3752 generating libgcc.a.
3754 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3756 * except.c (TYPE_HASH): Delete.
3758 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3761 * tree.c (TYPE_HASH): Delete.
3763 * tree.h (TYPE_HASH): Define.
3765 2001-08-18 Graham Stott <grahams@redhat.com>
3767 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3769 (adddi3_internal_2+2): Likewise.
3770 (eh_set_lr_di+1): Likewise.
3772 2001-08-17 Richard Henderson <rth@redhat.com>
3774 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3775 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3776 * dwarf2asm.c: ... here.
3777 * dwarfout.c: Remove them.
3779 * varasm.c (assemble_integer): Add align parameter.
3780 (assemble_real, output_constant, output_constructor): Likewise.
3781 * output.h: Update decls.
3782 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3783 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3784 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3785 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3786 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3789 * final.c (end_final): Abort profile block generation if we
3790 havn't layed it out properly.
3791 * output.h (assemble_eh_integer): Remove stale decl.
3792 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3794 (assemble_integer): Handle unaligned data.
3795 (assemble_real): Abort on unaligned data.
3796 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3798 (default_dtor_section_asm_out_destructor): Use assemble_align.
3799 (default_named_section_asm_out_constructor): Likewise.
3800 (default_ctor_section_asm_out_constructor): Likewise.
3801 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3802 (machopic_asm_out_destructor): Likewise.
3803 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3804 (nextstep_asm_out_destructor): Likewise.
3805 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3806 (vms_asm_out_destructor): Likewise.
3808 2001-08-17 Richard Henderson <rth@redhat.com>
3810 * config/mips/iris6.h (TARGET_IRIX6): New.
3811 (current_section_name, current_section_flags): New.
3812 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3813 (MAX_OFILE_ALIGNMENT): New.
3814 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3815 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3816 (copy_file_data): Split out from
3817 (mips_asm_file_end): ... here.
3818 (mips_asm_file_start): Remove extra .section directive. Use
3819 tmpfile instead of mips_make_temp_file.
3820 (mips_unique_section): Use const char * as needed for warnings.
3821 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3822 re-add align parameter.
3823 (iris6_asm_named_section): New.
3824 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3825 (iris6_asm_output_align, iris6_section_align_1): New.
3826 (iris6_asm_file_start, iris6_asm_file_end): New.
3827 * config/mips/mips-protos.h: Update decls.
3829 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3831 * doc/install.texi (Install GCC): Add links to build status pages.
3833 (Final install): Ditto; request updates for specific info
3835 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3837 * cpperror.c (print_location): Don't take a file name; use the
3839 (_cpp_begin_message): Similarly.
3840 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3841 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3842 (cpp_pedwarn_with_file_and_line): Remove.
3843 * cppfiles.c (stack_include_file): Update; set filename to stdin
3844 here when appropriate.
3845 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3846 (_cpp_begin_message): Don't take a file name.
3847 * cppinit.c: Add comment.
3848 * cpplex.c: Fix end-of-directive indicator.
3849 * cpplib.c: Don't include intl.h.
3850 (run_directive, do_diagnostic): Update.
3851 (do_line): Update to not use nominal_fname.
3852 (cpp_push_buffer): Don't take a filename.
3853 * cpplib.h (struct ht): Remove.
3854 (cpp_push_buffer): Don't take a filename.
3855 (cpp_pedwarn_with_file_and_line): Remove.
3856 * cppmacro.c (struct cpp_macro): Remove file.
3857 (builtin_macro): Update.
3858 (_cpp_create_definition): Update.
3859 * cppmain.c: Correct comment.
3860 * fix-header.c (read_scan_file): Update.
3862 2001-08-17 Kazu Hirata <kazu@hxi.com>
3864 * sbitmap.c: Fix comment formatting.
3865 * sched-deps.c: Likewise.
3866 * sibcall.c: Likewise.
3867 * simplify-rtx.c: Likewise.
3869 * ssa-ccp.c: Likewise.
3870 * stor-layout.c: Likewise.
3871 * timevar.c: Likewise.
3872 * toplev.c: Likewise.
3873 * unwind-dw2.c: Likewise.
3874 * unwind-dw2-fde.c: Likewise.
3875 * varasm.c: Likewise.
3877 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3879 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3880 or larger than an integer in memory.
3882 2001-08-17 Zack Weinberg <zackw@panix.com>
3884 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3885 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3886 * rtl.h: Don't forward-declare union tree_node here. Don't
3887 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3888 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3889 and tree respectively.
3890 * tree.h: Don't forward-declare struct rtx_def here. Don't
3891 typedef tree here. Change all uses of struct rtx_def *,
3892 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3893 and tree respectively.
3895 2001-08-17 Richard Henderson <rth@redhat.com>
3897 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3898 config/mips/openbsd.h: Fix typos last change.
3900 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3902 * doc/invoke.texi (Optimize Options): The default for
3903 -finline-limit is 600.
3905 2001-08-17 Richard Henderson <rth@redhat.com>
3907 * varasm.c (text_section): Allow TEXT_SECTION to override the
3908 printing of TEXT_SECTION_ASM_OP.
3909 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3910 (DATA_SECTION, BSS_SECTION): Remove.
3911 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3912 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3913 Rename from s/_NAME//.
3914 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3915 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3916 (TEXT_SECTION): ... here. New.
3917 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3918 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3919 * config/mips/openbsd.h: Likewise.
3920 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3921 (mips_asm_file_end): Likewise test.
3922 (mips_output_function_epilogue): Likewise. Switch back to data
3923 section after emitting the function.
3925 * doc/tm.texi (Sections): Document TEXT_SECTION.
3927 2001-08-17 Richard Henderson <rth@redhat.com>
3929 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3930 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3932 2001-08-17 Richard Henderson <rth@redhat.com>
3934 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3935 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3936 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3937 Add aligned attribute.
3939 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3941 * config/sh/sh.md: Add modes to unspecs in first insn to match
3942 those in the second.
3944 * Makefile.in: Fix collect2 copy for Cygwin.
3946 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3948 Install the proper patch.
3949 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3950 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3951 (expand_function_start): Likewise.
3952 * stmt.c (expand_decl): Likewise.
3953 * varasm.c (make_decl_rtx): Likewise.
3955 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3957 * final.c: Undo my previous accidental checkin.
3958 * output.h: Likewise.
3959 * tm.texi: Likewise.
3961 2001-08-16 Richard Henderson <rth@redhat.com>
3963 * varasm.c (named_section_flags): Remove align parameter.
3964 * varasm.c, dwarf2out.c: Update all callers.
3965 * output.h: Update prototypes.
3967 * target.h (target.asm_out.named_section): Remove align parameter.
3968 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3969 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3970 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3971 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3972 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3974 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3975 (get_named_section_flags, set_named_section_flags): New.
3976 (named_section_flags): Use them.
3977 (named_section): Do decl vs section flags check here...
3978 (default_section_type_flags): ... not here.
3979 (init_varasm_once): Create in_named_htab.
3980 (resolve_unique_section): Mark reloc unused.
3982 2001-08-16 Richard Henderson <rth@redhat.com>
3984 * varasm.c (force_const_mem): Keep pool alignment in bits.
3985 (output_constant_pool): Use assemble_align.
3987 2001-08-16 Zack Weinberg <zackw@panix.com>
3989 * doc/tm.texi: Remove extra @table command.
3991 2001-08-16 Zack Weinberg <zackw@panix.com>
3993 * final.c (shorten_branches): Clear the end of the label_align
3994 array only if we made it larger. Break up messy expressions
3997 * diagnostic.c (internal_error): Check for error recursion
3998 before doing ICE suppression.
4000 * timevar.c: Timing variables now count in milliseconds.
4001 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
4002 (get_time): Not here.
4003 (timevar_print): Don't print any timer whose user, cpu, and
4004 wall times are all zero as displayed.
4005 * timevar.h: Update comment aboout units. Make timevar
4008 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4010 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4011 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4012 (expand_function_start): Likewise.
4013 * stmt.c (expand_decl): Likewise.
4014 * varasm.c (make_decl_rtx): Likewise.
4016 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
4018 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
4019 (finalize_record_size): Don't set TYPE_USER_ALIGN.
4021 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4023 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
4026 2001-08-16 Andreas Jaeger <aj@suse.de>
4028 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
4031 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
4033 * rtl.h (only_sets_cc0_p): New prototype.
4034 * jump.c (sets_cc0_p): Handle INSN.
4035 (only_sets_cc0_p): New function.
4036 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
4037 (tidy_fallthru_edge): Likewise.
4038 * integrate.c (copy_insn_list): Likewise.
4039 * unroll.c (unroll_loop): Likewise.
4040 (copy_loop_body): Likewise.
4042 2001-08-15 Jason Eckhardt <jle@redhat.com>
4044 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
4046 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4048 * predict.c (struct block_info_def): Remove nvisited.
4049 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4050 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4052 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
4053 (ix86_adjust_cost): Teach scheduler that latency to load operand can
4056 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
4058 * predict.def: Update hitrates.
4060 2001-08-15 Richard Henderson <rth@redhat.com>
4062 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
4064 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
4066 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
4067 note from its associated jump.
4069 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4071 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
4072 also on 64-bit s390x targets.
4074 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
4076 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
4078 (arm_expand_prologue): Handled nested functions which take a
4079 variable argument list.
4080 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
4081 macro with an invocation of
4082 arm_compute_initial_elimination_offset.
4083 * config/arm/arm-protos.h: Prototype
4084 arm_compute_initial_elimination_offset.
4086 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4088 * doc/install.texi (Specific, avr): Fix markup.
4089 (Specific, c4x): Ditto.
4091 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4093 * predict.c (dump_prediction): Change `bool' parameter to `int'.
4095 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
4097 * Makefile.in (OBJS): Add rtl-error.o
4098 (rtl-error.o): New rule.
4099 (diagnostic.o): Adjust dependency.
4100 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
4101 error_for_asm, _fatal_insn, _fatal_insn_not_found,
4102 warning_for_asm): Move to...
4103 rtl-error.c: ...here. New file.
4105 2001-08-14 Richard Henderson <rth@redhat.com>
4107 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
4108 if USING_SJLJ_EXCEPTIONS.
4110 2001-08-14 Steve Ellcey <sje@cup.hp.com>
4112 * tlink.c (scan_linker_output): Check string for unsatisfied in
4113 addition to undefined and unresolved.
4115 2001-08-14 Graham Stott <grahams@redhat.com>
4117 * libgcc2.c (*): Replace EH_FRAME_SECTION with
4118 EH_FRAME_SECTION_NAME.
4120 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4122 * genattrtab.c (simplify_test_exp_in_temp): New function.
4123 (simplify_test_exp): Avoid explicit use of temporary obstack.
4124 (simplify_cond, insert_right_side, evaluate_eq_attr,
4125 simplify_and_tree, simplify_or_tree, eliminate_known_true):
4126 Use simplify_test_exp_in_temp.
4127 (optimize_attrs): Iterate until expression stabilizes.
4129 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
4131 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
4132 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
4134 2001-08-13 Richard Henderson <rth@redhat.com>
4136 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
4137 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
4138 * config/arm/conix-elf.h: Likewise.
4140 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4142 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
4144 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
4146 * gcse.c (hash_scan_set): Expressions that are set as part of
4147 jump instructions are not available.
4149 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4151 * config/s390/s390.c (print_operand, s390_function_prologue,
4152 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
4154 2001-08-13 Richard Henderson <rth@redhat.com>
4156 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
4157 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
4158 * doc/tm.texi (Exception Region Output): Document it.
4160 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4162 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
4163 DWARF2 instead of stabs by default.
4165 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4167 * config/rs6000/rs6000.c: Include optabs.h.
4169 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4171 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
4172 save/restore routines.
4173 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
4175 2001-08-13 Andreas Jaeger <aj@suse.de>
4177 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
4178 the english is correct.
4180 2001-08-13 Zack Weinberg <zackw@panix.com>
4182 * expr.h: Split out optab- and libfunc-related code to...
4183 * optabs.h, libfuncs.h: ... these new headers.
4185 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
4187 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
4189 * mkconfig.sh: Don't include insn-codes.h from config.h.
4191 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
4192 enum insn_code is available. Move reload_in_optab and
4193 reload_out_optab array declarations to optabs.h.
4194 * regmove.c (gen_add3_insn): Move to optabs.c, export from
4195 there, prototype in expr.h.
4196 * gencodes.c: Cleanup: zap global variables, don't use
4197 printf where puts will do, don't bother defining MAX_INSN_CODE
4198 which nothing uses, let CODE_FOR_nothing get its value implicitly.
4200 * genemit.c, genopinit.c: Include optabs.h in generated file.
4201 * genoutput.c: Include insn-codes.h in generated file.
4202 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
4203 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
4204 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
4205 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
4206 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
4207 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
4209 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
4210 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
4211 config/m88k/m88k.c, config/sparc/sparc.c:
4213 * reload.c: Include expr.h and optabs.h before reload.h.
4214 * config/alpha/alpha.c: Include tree.h before reload.h.
4215 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
4216 and reload.h in that order.
4217 * config/sparc/sparc.c: Include debug.h.
4218 * recog.c: Include insn-codes.h.
4220 2001-08-13 Andreas Jaeger <aj@suse.de>
4222 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
4225 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4227 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
4228 * gcc.c (init_spec): Fix typo in comment.
4229 * varasm.c (data_section): Fix typo in comment.
4231 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4233 * predict.c (dump_prediction): New argument "USED".
4234 (combine_predictions_for_insn): Determine the used heuristics,
4235 output the case no heuristic applied.
4236 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
4238 2001-08-13 Andreas Jaeger <aj@suse.de>
4240 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
4243 2001-08-13 Kazu Hirata <kazu@hxi.com>
4245 * jump.c: Fix formatting.
4247 2001-08-13 Kazu Hirata <kazu@hxi.com>
4249 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
4252 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
4254 * loop.c (check_dbra_loop): Use condjump_label to compute
4257 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
4258 to better document the files they're in.
4260 2001-08-12 Zack Weinberg <zackw@panix.com>
4262 * recog.h (struct insn_operand_data): Shrink 'mode' field
4265 2001-08-12 Kazu Hirata <kazu@hxi.com>
4267 * gcc.c: Fix comment formatting.
4268 * gccspec.c: Likewise.
4271 * genemit.c: Likewise.
4272 * gengenrtl.c: Likewise.
4273 * genrecog.c: Likewise.
4274 * gensupport.c: Likewise.
4275 * ggc-page.c: Likewise.
4276 * global.c: Likewise.
4277 * graph.c: Likewise.
4278 * ifcvt.c: Likewise.
4279 * integrate.c: Likewise.
4281 * libgcc2.c: Likewise.
4283 * mbchar.c: Likewise.
4284 * optabs.c: Likewise.
4285 * predict.c: Likewise.
4286 * prefix.c: Likewise.
4287 * profile.c: Likewise.
4288 * protoize.c: Likewise.
4290 * recog.c: Likewise.
4291 * regclass.c: Likewise.
4292 * regmove.c: Likewise.
4293 * reg-stack.c: Likewise.
4294 * reload1.c: Likewise.
4295 * resource.c: Likewise.
4296 * rtlanal.c: Likewise.
4299 2001-08-12 Kazu Hirata <kazu@hxi.com>
4301 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
4302 a tree representing a constant is passed to the macro.
4304 2001-08-12 Richard Henderson <rth@redhat.com>
4306 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
4307 (rs6000_elf_asm_out_destructor): New.
4308 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
4309 (DTORS_SECTION_ASM_OP): Remove.
4310 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4311 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
4313 2001-08-12 David Edelsohn <edelsohn@gnu.org>
4316 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4317 * gcc.c (set_collect_gcc_options): New function, split out from
4319 Ignore elided switches.
4320 (do_spec_1): Invoke before executing command.
4321 (set_input): Export.
4322 Move declaration ...
4323 * gcc.h (set_input): ... here.
4324 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4327 2001-08-12 Richard Henderson <rth@redhat.com>
4329 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
4330 thinko wrt TARGET_RELOCATABLE.
4332 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
4334 * fix-header.c (cb_file_change): Update prototype.
4336 2001-08-11 Zack Weinberg <zackw@panix.com>
4338 * toplev.c (set_float_handler): Make static.
4339 * toplev.h: Don't prototype set_float_handler.
4341 * simplify-rtx.c: Don't include setjmp.h.
4342 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
4344 (simplify_unary_operation, simplify_binary_operation): Use them,
4345 via do_float_handler.
4347 * fold-const.c: Don't include setjmp.h.
4348 (exact_real_inverse_1): New function.
4349 (exact_real_inverse): Use it, via do_float_handler.
4351 * varasm.c: Don't include setjmp.h.
4352 (assemble_real_1): New function.
4353 (assemble_real): Use it, via do_float_handler.
4354 Call internal_error if we get a trap here.
4356 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
4357 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
4359 2001-08-11 Zack Weinberg <zackw@panix.com>
4361 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
4362 STACK_BOUNDARY if not already defined.
4364 * calls.c, function.c, reload1.c, explow.c: Don't default
4365 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
4366 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
4368 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
4371 * doc/tm.texi: Document that STACK_BOUNDARY is required;
4372 clarify difference between it and PREFERRED_STACK_BOUNDARY.
4374 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4376 * cppmacro.c (enter_macro_context): Push macro expansions even
4379 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4381 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
4382 (rs6000_elf_section_type_flags): Actually return a value.
4384 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4386 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
4387 Clean up code: add missing comments and prototypes, fix warnings,
4388 remove obsolete code, fix spacing to conform to coding style.
4390 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4392 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
4393 and TARGET_ASM_CLOSE_PAREN.
4394 (regclass_map): CC register belongs to class NO_REGS.
4395 (legitimize_pic_address): Don't generate unnecessary moves
4396 (to avoid confusing loop optimization).
4397 (check_and_change_labels): Replace jump_long by indirect_jump.
4398 (s390_final_chunkify): Don't start a new literal pool on section
4399 switch in 64-bit code.
4400 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
4402 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
4403 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
4404 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
4406 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
4407 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
4408 (CONST_COSTS): Fixed incorrect costs.
4410 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
4411 Use emit_jump instead of emit_jump_insn (gen_jump).
4412 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
4413 (to avoid confusing flow analysis).
4414 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
4415 (casesi, casesi_jump): New.
4416 (jump_long): Removed. Functionality merged into indirect_jump.
4417 (indirect_jump): Accept address_operand, not just register_operand.
4418 (cjump_long, icjump_long): Use same logic as indirect_jump.
4419 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4420 Fixed broken setjmp/longjmp handling.
4421 (do_builtin_setjmp_setup): Removed.
4423 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
4424 broken GNU as versions that don't accept .quad with large
4425 negative values. Use hexadecimal output instead.
4426 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4427 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4428 FUNCTION_EPILOGUE): Removed. Now in targetm.
4430 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4432 * config/s390/fixdfdi.h: Add missing copyright statement.
4433 Fix type conflicts on 64-bit. Add missing SFmode routines.
4435 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4438 2001-08-11 Richard Henderson <rth@redhat.com>
4440 * rtl.h (REG_EH_RETHROW): Remove.
4441 * rtl.c (reg_note_name): Update.
4442 * combine.c (distribute_notes): Don't check for it.
4444 2001-08-11 Richard Henderson <rth@redhat.com>
4446 * combine.c (distribute_notes): Place REG_SETJMP.
4448 2001-08-11 Richard Henderson <rth@redhat.com>
4450 * doc/extend.texi (Arrays and pointers implementation): Discourage
4451 relying on sign-extension of pointers.
4453 2001-08-11 H.J. Lu <hjl@gnu.org>
4455 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4457 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4458 RDATA_SECTION_ASM_OP.
4460 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4462 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4463 main manual to work both for info and HTML versions.
4465 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4466 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4468 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4469 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4470 (struct cpp_pool): New member first.
4471 * cppinit.c (append_include_chain): Plug memory leaks.
4472 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
4473 Allocate pragma structures from the (aligned) macro pool to
4474 avoid leaking memory.
4475 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
4476 so we don't leak memory.
4477 * hashtable.c (ht_destroy): New.
4478 * hashtable.h (ht_destroy): New.
4480 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4481 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4483 * c-lex.c (map): Make const.
4484 (cb_file_change): Update for callback passing a line map.
4485 Don't assume we have a previous map. Remove sanity check
4486 about popping too many files.
4487 * cpperror.c (print_location): Make map const.
4488 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
4489 (cpp_make_system_header): Similarly.
4490 (search_from): Similarly.
4491 (_cpp_execute_include): Don't remember where we came from.
4492 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4493 (struct cpp_reader): Make map const.
4494 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4495 * cpplib.c (do_line): Update; line maps now hold sysp.
4496 (cpp_push_buffer): Similarly.
4497 (_cpp_do_file_change): Similarly; callback with map instead.
4498 (cpp_get_line_maps): Constify return value.
4499 (_cpp_pop_buffer): Update.
4500 * cpplib.h (struct cpp_file_change): Remove.
4501 (struct cpp_callbacks): Update.
4502 (cpp_get_line_maps): Constify return value.
4503 * cppmacro.c (_cpp_create_definition): Update.
4504 * cppmain.c (struct printer): Constify map.
4505 (maybe_print_line): Similarly.
4506 (print_line): Similarly. Deduce flags 1 and 2 here.
4507 (cb_file_change): Update.
4508 * line-map.c (free_line_maps): Warn regardless.
4509 (add_line_map): Return pointer to const. When passed NULL to_file
4510 with LC_LEAVE, use the obvious values for the return point so the
4511 caller doesn't have to figure them out.
4512 (lookup_line): Return pointer to const.
4513 (print_containing_files): Take pointer to const.
4514 * line-map.h (struct line_map): New members reason, sysp.
4515 (add_line_map): Return pointer to const.
4516 (lookup_line): Similarly.
4517 (print_containing_files): Take pointer to const.
4519 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4520 Richard Henderson <rth@redhat.com>
4522 * regmove.c (regmove_optimize): Avoid setting a register twice in
4525 2001-08-10 Richard Henderson <rth@redhat.com>
4527 * doc/extend.texi (Arrays and pointers implementation): Document
4528 behavior of pointer/integer conversion.
4530 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4532 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4534 2001-08-10 Richard Henderson <rth@redhat.com>
4536 * doc/extend.texi (C Implementation): New chapter.
4537 * doc/gcc.texi (Top): Link it in.
4539 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4541 * doc/install.texi (Specific): Fix CVS merge botch.
4543 2001-08-10 Richard Henderson <rth@redhat.com>
4545 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4546 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4548 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4550 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4551 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4552 this macro is now required.
4554 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4555 loop.c (find_and_verify_loops), reload.c (reload): Check
4556 for rtx code of CALL_INSN, not CALL, when deciding if we
4557 need to check for REG_SETJMP note.
4559 * gcse.c (compute_hash_table, compute_store_table): Update
4560 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4563 * config/avr/avr.c: Fix typo.
4564 * config/convex/convex.c (expand_movstr): Use adjust_address.
4565 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4567 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4568 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4570 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4571 Do define STACK_BOUNDARY.
4572 * config/i370/i370.c: Include expr.h.
4573 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4574 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4575 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4576 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4577 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4578 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4579 * config/romp/romp.c: Include expr.h after tree.h.
4581 (output_fpop): Use xmalloc, not oballoc.
4582 * config/we32k/we32k.c: Include expr.h.
4584 2001-08-10 Kazu Hirata <kazu@hxi.com>
4586 * config/h8300/h8300.h: Fix formatting.
4588 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4590 * c-common.h (RETURN_NULLIFIED_P): Lose.
4591 * c-semantics.c (genrtl_return_stmt): Don't check it.
4593 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4595 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4596 (mips_annotate_frame_insn): New function.
4597 (mips_emit_frame_related_store): New function.
4598 (save_restore_insns): Don't mark instructions that set up the base
4599 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4600 the store instructions instead.
4601 (mips_expand_prologue): If the stack size is moved into a temporary
4602 register, do not mark that move as frame-related. Add a
4603 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4605 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4607 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4608 stack slot as unchanging if current_function_calls_eh_return.
4610 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4612 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4613 access the second half of the TFmode scratch operand.
4615 2001-08-10 Anthony Green <green@redhat.com>
4617 * java/class.c (emit_register_classes): Conditionalize code on
4620 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4622 * doc/install.texi (Specific, avr): Fix cross-reference to the
4623 main manual to work both for info and HTML versions.
4625 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4627 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4628 and "use_goto" argument.
4629 (expand_null_return, expand_value_return): Update all callers.
4630 * function.c (expand_function_end): Remove code to generate simple
4632 * config/vax/vax.md (epilogue): New expander for function return.
4633 * doc/md.texi (epilogue): Remove "if defined".
4635 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4637 * Makefile.in: Partially revert my previous change:
4638 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4639 of the hashtab.o and safe-ctype.o rules.
4641 2001-08-09 Richard Henderson <rth@redhat.com>
4643 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4644 (USE_COLLECT2): Remove duplicate definition.
4645 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4646 (use_collect2): Remove dead code.
4647 * configure.in (use_collect2): Remove will_use_collect2 and
4648 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4649 * configure: Rebuild.
4651 * target.h (targetm.asm_out.constructor): New.
4652 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4653 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4654 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4655 * varasm.c (in_ctors, in_dtors): New.
4656 (assemble_constructor, assemble_destructor): Remove.
4657 (default_stabs_asm_out_destructor): New.
4658 (default_named_section_asm_out_destructor): New.
4659 (dtors_section, default_dtor_section_asm_out_destructor): New.
4660 (default_stabs_asm_out_constructor): New.
4661 (default_named_section_asm_out_constructor): New.
4662 (ctors_section, default_ctor_section_asm_out_constructor): New.
4663 * output.h: Update declarations.
4664 * c-decl.c (c_expand_body): Use target hooks instead of
4665 assemble_constructor and assemble_destructor.
4666 * profile.c (output_func_start_profiler): Likewise.
4667 * objc/objc-act.c (finish_objc): Likewise.
4668 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4669 for the constructor.
4670 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4672 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4673 (DTORS_SECTION_ASM_OP): Likewise.
4674 (__CTOR_LIST__): Use attribute section when possible.
4675 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4677 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4678 ASM_OUTPUT_CONSTRUCTOR.
4680 * config/darwin.c (machopic_asm_out_constructor): New.
4681 (machopic_asm_out_destructor): New.
4682 * config/darwin-protos.h: Update declarations.
4683 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4684 (ASM_OUTPUT_DESTRUCTOR): Remove.
4685 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4686 * config/nextstep.c (nextstep_asm_out_constructor): New.
4687 (nextstep_asm_out_destructor): New.
4688 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4689 (ASM_OUTPUT_DESTRUCTOR): Remove.
4690 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4691 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4692 ASM_OUTPUT_*STRUCTOR.
4693 * config/i386/aix386ng.h: Likewise.
4695 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4696 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4697 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4698 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4699 * config/lynx.h: Likewise.
4700 * config/netware.h: Likewise.
4701 * config/psos.h: Likewise.
4702 * config/alpha/alpha-interix.h: Likewise.
4703 * config/alpha/elf.h: Likewise.
4704 * config/arc/arc.h: Likewise.
4705 * config/arm/aof.h: Likewise.
4706 * config/arm/coff.h: Likewise.
4707 * config/arm/elf.h: Likewise.
4708 * config/c4x/c4x.h: Likewise.
4709 * config/h8300/h8300.h: Likewise.
4710 * config/i386/cygwin.h: Likewise.
4711 * config/i386/djgpp.h: Likewise.
4712 * config/i386/i386-coff.h: Likewise.
4713 * config/i386/i386-interix.h: Likewise.
4714 * config/i386/sco5.h: Likewise.
4715 * config/i386/vsta.h: Likewise.
4716 * config/i386/win32.h: Likewise.
4717 * config/i960/i960-coff.h: Likewise.
4718 * config/ia64/sysv4.h: Likewise.
4719 * config/m68hc11/m68hc11.h: Likewise.
4720 * config/m68k/coff.h: Likewise.
4721 * config/m68k/mot3300.h: Likewise.
4722 * config/m88k/m88k.h: Likewise.
4723 * config/mcore/mcore-pe.h: Likewise.
4724 * config/mcore/mcore.h: Likewise.
4725 * config/mips/elf.h: Likewise.
4726 * config/mips/elf64.h: Likewise.
4727 * config/mips/iris6.h: Likewise.
4728 * config/pa/pa64-hpux.h: Likewise.
4729 * config/rs6000/sysv4.h: Likewise.
4730 * config/sh/sh.h: Likewise.
4731 * config/sparc/litecoff.h: Likewise.
4733 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4734 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4735 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4736 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4737 (ASM_OUTPUT_DESTRUCTOR): Remove.
4738 * config/a29k/a29k.c: Move include of tree.h.
4739 * config/a29k/udi.h: Delete file.
4740 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4741 (vms_asm_out_destructor): New.
4742 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4743 (EXTRA_SECTION_FUNCTIONS): Likewise.
4744 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4745 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4746 * config/c4x/c4x.c: Move include of tree.h.
4747 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4748 (clix_asm_out_destructor): New.
4749 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4750 (ASM_OUTPUT_DESTRUCTOR): Remove.
4751 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4752 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4753 (TARGET_ASM_CONSTRUCTOR): New.
4754 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4755 (sco_asm_out_constructor): New.
4756 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4757 * config/i386/svr3gas.h: Remove stack grows up code.
4758 Remove code duplicated from i386/sysv3.h.
4759 (TARGET_ASM_CONSTRUCTOR): New.
4760 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4761 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4762 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4763 (TARGET_ASM_CONSTRUCTOR): New.
4764 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4765 (m68hc11_asm_out_destructor): New.
4766 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4767 (TARGET_ASM_DESTRUCTOR): New.
4768 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4769 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4770 config/svr3.h pertaining to section manipulation.
4771 * config/m68k/dpx2g.h: Remove #if 0 code.
4772 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4773 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4774 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4775 (TARGET_ASM_CONSTRUCTOR): New.
4776 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4777 (m88k_svr3_asm_out_constructor): New.
4778 (m88k_svr3_asm_out_destructor): New.
4779 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4780 (ASM_OUTPUT_DESTRUCTOR): Remove.
4781 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4782 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4783 * config/rs6000/aix.h: Likewise.
4784 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4785 * config/mips/vxworks.h: Likewise.
4786 * config/rs6000/lynx.h: Likewise.
4787 * config/sh/elf.h: Likewise.
4788 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4789 (DTORS_SECTION_ASM_OP): New.
4790 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4791 (ASM_OUTPUT_DESTRUCTOR): Remove.
4792 * config/sparc/sol2-sld-64.h: Likewise.
4793 * config/vax/vax.c (vms_asm_out_constructor): New.
4794 (vms_asm_out_destructor): New.
4795 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4796 (ASM_OUTPUT_DESTRUCTOR): Remove.
4797 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4799 * doc/tm.texi (@node Initialization): Update.
4801 2001-08-09 Richard Henderson <rth@redhat.com>
4803 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4804 (__do_global_dtors_aux): Use gp-relative static data to avoid
4805 one dynamic relocation.
4806 (__do_frame_setup): Register Java classes.
4807 * config/alpha/crtend.asm (__JCR_END__): New.
4809 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4811 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4812 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4813 (GEN, STAGESTUFF): Add new files.
4814 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4815 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4816 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4817 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4818 as well as insn-codes.h and insn-flags.h in config.h; and no
4819 extra headers in tconfig.h and hconfig.h.
4821 * gencodes.c: Eliminate code to generate predicate declarations
4822 or #defines for md-file constants.
4823 * genconstants.c, genpreds.c: New files.
4825 * i386.md: Re-order guard expressions such that TARGET_64BIT
4826 comes first, when this permits better optimization. Add
4827 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4828 why this is desirable.
4830 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4832 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4833 (find_fde_for_dso): Remove.
4834 (_Unwind_IteratePhdrCallback): New.
4835 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4836 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4838 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4840 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4841 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4843 2001-08-09 Graham Stott <grahams@redhat.com>
4845 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4846 (vis_no_unit): Use it.
4847 (visualize_no_unit): Add the insn only if room exists.
4849 2001-08-09 Graham Stott <grahams@redhat.com>
4851 * predict.c (estimate_probability): Replace magic numbers with
4852 appropriate enumeration.
4854 2001-08-09 Graham Stott <grahams@redhat.com>
4856 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4858 (EXTRACT_FLAGS): Likewise.
4860 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4862 * config/mips/mips.c (mips_legitimate_address_p): Check for
4863 CONST_INT in last patch.
4865 2001-08-08 Anthony Green <green@redhat.com>
4867 * java/class.c (emit_register_classes): Use assemble_jcr if
4868 possible. Keep the original mechanism as a fallback.
4869 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4870 and weak symbol support.
4871 * crtstuff.c (__JCR_LIST__): Define.
4872 (__JCR_END__): Define.
4873 (_Jv_RegiserClasses): Define weak symbol if possible.
4874 (__do_global_ctors_aux): Register classes for ELF targets with
4875 weak symbol support.
4877 2001-08-08 Kazu Hirata <kazu@hxi.com>
4879 * dbxout.c: Fix comment formatting.
4880 * dependence.c: Likewise.
4882 * diagnostic.c: Likewise.
4883 * dominance.c: Likewise.
4884 * doprint.c: Likewise.
4885 * dwarf2out.c: Likewise.
4886 * dwarfout.c: Likewise.
4887 * emit-rtl.c: Likewise.
4888 * except.c: Likewise.
4889 * explow.c: Likewise.
4890 * expmed.c: Likewise.
4893 * fold-const.c: Likewise.
4894 * function.c: Likewise.
4896 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4898 * global.c (retry_global_alloc): Avoid shadowing allocno.
4900 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4902 * except.c (remove_fixup_regions): Fix typo.
4904 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4906 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4907 unsigned HOST_WIDE_INT to avoid warning.
4908 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4909 * flow.c (set_block_for_new_insns): Likewise.
4911 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4913 * sibcall.c (return_value_pseudo): New static variable.
4914 (skip_copy_to_return_value): Handle return_value_pseudo.
4915 (call_ends_block_p): Ensure that return_value_pseudo is set.
4916 (optimize_sibling_and_tail_recursive_call): Discover the
4917 load of pseudo return value in alternate exit block.
4919 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4921 * calls.c (ECF_ALWAYS_RETURN): New constant.
4922 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4923 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4924 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4925 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4926 * rtl.c (reg_note_name): New name.
4927 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4929 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4931 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4933 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4935 * alias.c (get_alias_set): Return a previously calculated
4936 alias set for a VAR_DECL.
4937 * function.c (gen_mem_addressof): Calculate the alias set before
4940 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4942 * predict.def: Set hitrates according our experimental run.
4944 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4946 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4948 2001-08-08 H.J. Lu <hjl@gnu.org>
4950 * config/mips/mips.c (mips_unique_section): New. Copied from
4953 * config/mips/mips-protos.h (mips_unique_section): New
4956 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4958 * config/mips/little.h: New. Generic little endian mips
4959 targets. Only mips*-*-linux* is converted to use it so far.
4961 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4962 (WCHAR_TYPE): Defined
4963 (WCHAR_TYPE_SIZE): Likewise.
4964 (INIT_SUBTARGET_OPTABS): Likewise.
4965 (BSS_SECTION_ASM_OP): Likewise.
4966 (SBSS_SECTION_ASM_OP): Likewise.
4967 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4968 (ASM_DECLARE_OBJECT_NAME): Likewise.
4969 (UNIQUE_SECTION): Likewise.
4970 (EXTRA_SECTIONS): Likewise.
4971 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4972 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4973 (ASM_OUTPUT_DEF): Likewise.
4974 (HANDLE_SYSV_PRAGMA): Removed.
4975 (NO_IMPLICIT_EXTERN_C): Likewise.
4976 (TARGET_MEM_FUNCTIONS): Likewise.
4977 (STARTFILE_SPEC): Likewise.
4978 (ENDFILE_SPEC): Likewise.
4979 (LIB_SPEC): Likewise.
4980 (INVOKE__main): Likewise.
4981 (CTOR_LIST_BEGIN): Likewise.
4982 (CTOR_LIST_END): Likewise.
4983 (DTOR_LIST_BEGIN): Likewise.
4984 (DTOR_LIST_END): Likewise.
4985 (SET_ASM_OP): Likewise.
4986 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4987 (ASM_OUTPUT_DEF): Likewise.
4988 (ASM_OUTPUT_IDENT): Likewise.
4990 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4991 (CPLUSPLUS_CPP_SPEC): Likewise.
4992 (ASM_APP_ON) Redefine only if not defined.
4993 (ASM_APP_OFF): Likewise.
4994 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4995 (ASM_OUTPUT_IDENT): Likewise.
4997 * config.gcc: Update tm_file for Linux/mips.
4999 2001-08-08 Bernd Schmidt <bernds@redhat.com>
5001 * cselib.c (cselib_record_sets): If insn is predicated, turn
5002 sources into IF_THEN_ELSEs.
5004 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
5005 Turn into define_insn_and_split.
5007 * sched-deps.c: Include "cselib.h".
5008 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
5009 Use cselib to turn memory addresses into VALUEs.
5010 (sched_analyze): Call cselib_init/cselib_finish if necessary.
5011 * sched-int.h (struct sched_info): New member USE_CSELIB.
5012 * sched-ebb.c (ebb_sched_info): Initialize it.
5013 * sched-rgn.c (rgn_sched_info): Likewise.
5014 * Makefile.in (sched-deps.o): Update dependencies.
5016 * cselib.h (cselib_subst_to_values): Declare.
5017 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
5018 that have no value and autoincs to be handled by generating a new
5021 2001-08-08 Graham Stott <grahams@redhat.com>
5023 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
5024 within fixed length SEQUENCE.
5026 2001-08-08 Graham Stott <grahams@redhat.com>
5028 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
5029 (diagnostic_prefixing_rule): Likewise.
5030 (diagnostic_line_cutoff): Likewise.
5031 (diagnostic_kind_count): Likewise.
5033 2001-08-08 Graham Stott <grahams@redhat.com>
5035 * alias.c (find_base_decl): Delete redundent assignment.
5037 2001-08-08 Graham Stott <grahams@redhat.com>
5039 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
5040 (abs): Uppercase and paranthesize macro parameter.
5041 (MEM_DEPENDENCY): Add whitespace.
5043 2001-08-08 Graham Stott <grahams@redhat.com>
5045 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
5046 failure check for CONST_INT
5048 2001-08-08 Graham Stott <grahams@redhat.com>
5050 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
5051 (libcall_dead_p): Likewise.
5053 (mark_used_regs): Constify fmt.
5054 (find_use_as_address): Likewise.
5056 2001-08-08 Graham Stott <grahams@redhat.com>
5058 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
5061 2001-08-08 Graham Stott <grahams@redhat.com>
5063 * combine.c (combine_simplify_rtx): Update comment and
5064 remove erroneous test.
5066 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5068 * cppinit.c (cpp_finish): Pop the final buffer without comment.
5069 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
5070 take care to avoid multiple no-newline at EOF warnings in that
5073 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
5075 * calls.c (expand_call): Do not emit INSN_SETJMP note.
5076 (emit_library_call_value_1): Likewise.
5077 (emit_call_1): Emit REG_SETJMP note.
5078 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
5080 * cselib.c (cselib_process_insn): Likewise.
5081 * flow.c (propagate_block): Likewise.
5082 * loop.c (find_and_verify_loops): Likewise.
5083 * reload.c (find_equiv_regs): Likewise.
5084 * reload1.c (reload): Likewise.
5085 * resource.c (mark_referenced_resources,
5086 mark_set_resources): Likewise.
5087 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
5088 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
5089 * haifa-sched.c (unlink_other_notes): Likewise.
5090 (reemit_notes): Likewise.
5091 * sched-ebb.c (sched_ebb): Likewise.
5092 * sched-rgc.c (sched_region): Likewise.
5093 * rtl.c (note_insn_name): Likewise.
5094 (reg_note_name): Add REG_SETJMP
5095 * rtl.h (reg_note): Add REG_SETJMP.
5096 (insn_note): Remove NOTE_INSN_SETJMP.
5098 * profile.c (branch_prob): Add fake edges for setjmp.
5100 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
5102 * config.gcc: Quote target_cpu_default2 correctly for
5103 powerpc*-*-* targets.
5105 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5107 * cpplib.h, line-map.h: Update comments.
5108 * cppmain.c (printer_init): Move inline.
5109 (maybe_print_line, print_line): Take a map pointer.
5110 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
5111 (cb_file_change): Don't use prior value of print.map.
5113 2001-08-07 David Edelsohn <edelsohn@gnu.org>
5115 * doc/install.texi: Document fine-grained multilib configuration.
5117 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5119 * rtlanal.c (find_first_parameter_load): Call note_stores
5120 only on the instructions.
5122 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5124 * alias.c (nonlocal_mentioned_p):
5125 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
5126 * calls.c (emit_call_1): Likewise.
5127 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
5128 * cselib.c (cselib_process_insn): Likewise.
5129 * df.c (df_insns_modify): Likewise.
5130 * flow.c (need_fake_edge_p): Likewise.
5131 (propagate_one_insn): Likewise.
5132 * haifa-sched.c (reemit_notes): Likewise.
5133 * integrate.c (copy_insn_list): Likewise.
5134 * jump.c (delete_prior_computation): Likewise.
5135 * local-alloc.c (validate_equiv_mem): Likewise.
5136 * loop.c (scan_loop): Likewise.
5137 * predict.c (estimate_probability): Likewise.
5138 * reload.c (reload): Likewise.
5139 * sched-deps (sched_analyze): Likewise.
5140 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
5141 * gcse.c (compute_hash_table): Likewise.
5142 (mark_call): Likewise.
5143 (store_killed_in_insn): Likewise.
5145 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
5147 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
5149 2001-08-06 Richard Henderson <rth@redhat.com>
5151 * varasm.c (assemble_gc_entry): Remove.
5152 * output.h: Likewise.
5154 2001-08-06 Richard Henderson <rth@redhat.com>
5156 * varasm.c (assemble_constructor): Take a symbol_ref and a
5157 priority instead of a bare string. Move priority handling
5158 here from cp/decl2.c.
5159 * output.h: Update decls.
5161 * c-decl.c (c_expand_body): Update calls to assemble_constructor
5162 and assemble_destructor.
5163 * profile.c (output_func_start_profiler): Likewise.
5164 * objc/objc-act.c (finish_objc): Likewise.
5165 (build_module_descriptor): Return the symbol not the symbol name.
5167 2001-08-06 David Edelsohn <edelsohn@gnu.org>
5169 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
5170 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
5171 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
5172 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
5173 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
5174 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
5176 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5178 * cpperror.c (print_containing_files): Moved to line-map.c.
5179 (print_location): line-map.c handles re-listing or otherwise.
5180 * cpphash.h (struct lexer_state): Remove next_bol.
5181 (struct cpp_buffer): Remove include_stack_listed.
5182 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
5183 Remove faked buffer handling.
5184 (_cpp_do_file_change): Tweak.
5185 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
5186 * cppmain.c (struct printer): Remove filename.
5187 (print_line, cb_file_change): Update accordingly.
5188 * line-map.c: Include intl.h.
5189 (init_line_maps): Initialize last_listed.
5190 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
5191 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
5192 (print_containing_files): New.
5193 * line-map.h (struct line_maps): New member last_listed.
5194 (print_containing_files, INCLUDED_FROM): New.
5195 * Makefile.in: Update.
5196 * po/POTFILES.in: Add line-map.c.
5198 2001-08-06 Richard Henderson <rth@redhat.com>
5200 * except.c (convert_from_eh_region_ranges_1): Never mark
5201 USE or CLOBBER insns as throwing.
5203 * expr.c (store_constructor): Don't clobber memory targets.
5205 2001-08-06 Andreas Jaeger <aj@suse.de>
5207 * profile.c (branch_prob): Remove unused variable insn.
5209 * Makefile.in (local-alloc.o): Add dependency on except.h.
5211 * local-alloc.c: Include except.h for can_throw_internal prototype.
5213 2001-08-06 Richard Henderson <rth@redhat.com>
5215 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5216 * function.c (expand_main_function): Implement it.
5217 * doc/tm.texi: Document it.
5219 2001-08-06 Stan Shebs <shebs@apple.com>
5221 * doc/install.texi: Document powerpc-*-darwin* details.
5223 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
5225 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
5226 (ASM_CPU_SPEC): Move back to rs6000.h
5227 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
5229 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
5231 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
5234 * config/rs6000/linux64.h: Ditto.
5236 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5237 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
5240 Remove accidently readded definitions of FUNCTION_PROLOGUE,
5241 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
5243 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5246 2001-08-05 Richard Henderson <rth@redhat.com>
5248 * local-alloc.c (update_equiv_regs): Do not move insns that
5251 2001-08-05 Jan Hubicka <jh@suse.cz>
5253 * Makefile.in (reload1.o): Add dedendancy on except.h
5254 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
5256 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
5257 indicating wehther edges has been cleaned up.
5258 * reload1.c: Inlucde except.h
5259 (fixup_abnormal_edges): Accept deleted insns.
5260 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
5263 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5265 * cpplib.c (do_line): Correct line number after pop_buffer.
5267 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5269 PR preprocessor/3824
5270 * line-map.c: Update comments.
5271 * line-map.h: Update comments.
5272 * tradcif.y: Don't consider large numbers unsigned.
5274 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5276 PR preprocessor/3081
5277 * c-lex.c (map): New.
5278 (cb_file_change): Update map and use it.
5279 (cb_def_pragma, cb_define, cb_undef): Use map and line.
5280 (c_lex): Update to use map.
5281 * cpperror.c (print_location): Move to using logical line numbers.
5282 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
5283 (cpp_make_system_header): Similarly.
5284 (_cpp_execute_include): Stop line numbering hacks. Store the
5285 line we will return to.
5286 * cpphash.h (CPP_BUF_LINE): Remove.
5287 (struct cpp_buffer): Remove lineno and pseudo_newlines.
5288 Add map and return_to_line.
5289 (_cpp_do_file_change): Update.
5290 * cppinit.c (cpp_start_read): Update line kludge.
5291 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
5292 (trigraph_ok): Use logical line numbers for diagnostics.
5293 (skip_block_comment): Likewise.
5294 (skip_whitespace): Likewise.
5295 (skip_line_comment): Use pfile->line instead.
5296 (_cpp_lex_token): Update to use logical line numbering exclusively.
5297 Handle BOL locally. Accept new lines in directives, but keep
5298 pfile->line decremented. Diagnostics use logical lines. Update
5300 * cpplib.c (SEEN_EOL): New.
5301 (skip_rest_of_line, check_eol): Use it.
5302 (end_directive): Increase line number when accepting the newline
5303 at the end of a directive.
5304 (run_directive): Simplify.
5305 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
5306 (_cpp_do_file_change): Update to take buffer line number as an
5307 argument, and store the current map in the cpp_reader. Remove
5308 line number kludges.
5309 (_cpp_do__Pragma): Restore output position after a _Pragma.
5310 (cpp_push_buffer): Don't set output line or lineno.
5311 (_cpp_pop_buffer): Transfer more info from a faked buffer.
5312 Remove line kludge. Set output_line.
5313 * cppmacro.c (builtin_macro): Update handling of __LINE__.
5314 (parse_arg): Use logical lines.
5315 (save_lookahead_token): Save EOFs too now.
5316 * cppmain.c (struct printer): Fix comments.
5317 (printer_init): Simplify, let caller do errors.
5318 (scan_translation_unit, check_multiline_token, dump_macro): Update.
5319 (maybe_print_line): Simplify.
5320 (print_line): Don't print a linemarker if -P.
5321 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
5322 (cb_file_change): Simplify.
5323 * line-map.h (LAST_SOURCE_LINE): Fix.
5324 (CURRENT_LINE_MAP): New.
5326 2001-08-05 Bernd Schmidt <bernds@redhat.com>
5328 * doloop.c (doloop_modify_runtime): Properly compute number of
5329 iterations if loop was unrolled.
5331 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
5332 if their CSELIB_VAL_PTRs are.
5334 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
5335 (setup_spill_pointers): Initialize it.
5336 (spill_restore_mem): Set it.
5337 (do_spill, do_restore): Use it to add REG_INC note.
5338 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
5340 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
5341 asms if other insns are available.
5343 * config/ia64/ia64.c (condop_operator): New predicate.
5344 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
5345 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
5348 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
5349 temporary register than directly using a MEM.
5351 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5353 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
5354 parameter in last change.
5356 2001-08-04 Zack Weinberg <zackw@panix.com>
5358 * sparc.md: Don't use #if inside C test expression.
5360 2001-08-04 Richard Henderson <rth@redhat.com>
5362 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
5364 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
5366 * cpphash.h (struct cpp_reader): New member directive_line.
5367 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
5368 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
5369 do_pragma): Pass line to callbacks.
5370 (start_directive): Record line of directive.
5371 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
5372 cb_include): Similarly.
5373 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
5376 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5378 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
5381 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5383 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
5385 * reload1.c (fixup_abnormal_edges): New static function.
5388 * flow.c (need_fake_edge_p): New function.
5389 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
5390 avoid call insn to be very last insn in the insn stream.
5392 * profile.c (branch_prob): Call flow_call_edges_add instead of
5393 doing that by hand; cleanup cfg to re-merge basic blocks once
5396 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5398 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
5399 are also on line-map.h.
5400 * cppfiles.c (stack_include_file): Update.
5401 * cpphash.h (struct cpp_buffer): New member return_at_eof.
5402 (_cpp_pop_buffer): New.
5403 * cppinit.c (cpp_destroy, cpp_finish): Update.
5404 (do_includes): Mark each buffer to return at EOF.
5405 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
5406 return as requested.
5407 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
5408 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
5409 * cpplib.h (cpp_pop_buffer): Remove.
5410 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
5411 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
5413 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
5415 (do_preprocessing): Update.
5416 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5417 * c-parse.in (_yylex): Similarly.
5418 * scan-decls.c (scan_decls): Similarly.
5419 * line-map.h: Update comments.
5421 * objc/Make-lang.in (objc-act.o): Update dependencies.
5423 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5425 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
5426 and soft register for operand 0.
5427 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5429 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5431 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5432 register for operand 0.
5433 ("bitcmpqi_z_used"): Allow memory for operand 0.
5434 (split "bitcmpqi"): New split to handle address reg as operand 1.
5436 2001-08-04 Andreas Jaeger <aj@suse.de>
5438 * gcse.c: Revert Daniel's last patch.
5440 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5442 * sparc-protos.h: Add prototypes for fp_zero_operand and
5444 * sh-protos.h: Add prototype for fpul_operand.
5446 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5448 * doc/extend.texi (Other Builtins): Fix typo in last change.
5450 2001-08-03 Richard Henderson <rth@redhat.com>
5452 * target.h (gcc_target): Add asm_out.named_section,
5453 section_type_flags, have_named_sections.
5454 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5455 (TARGET_HAVE_NAMED_SECTIONS): New.
5456 (TARGET_SECTION_TYPE_FLAGS): New.
5458 * Makefile.in (toplev.o): Depend on TARGET_H.
5459 (varasm.o, dbxout.o): Likewise.
5460 * c-common.c (decl_attributes): Check targetm.have_named_sections
5461 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5462 * dbxout.c (dbxout_function_decl): Likewise.
5463 (dbxout_function_end): Likewise.
5464 * toplev.c (compile_file): Likewise.
5465 * varasm.c (exception_section): Likewise.
5466 * cp/decl2.c (finish_objects): Likewise.
5468 * defaults.h (EH_FRAME_SECTION): Remove.
5469 (EH_FRAME_SECTION_ASM_OP): Remove.
5470 (EH_FRAME_SECTION_NAME): New.
5471 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
5472 (UNIQUE_SECTION_P): Remove.
5473 * dwarf2out.c (SECTION_FORMAT): Remove.
5474 (ASM_OUTPUT_SECTION): Remove.
5475 (output_call_frame_info): Use named_section_flags.
5476 (output_comp_unit, dwarf2out_start_source_file): Likewise.
5477 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
5478 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
5479 * varasm.c (in_eh_frame, eh_frame_section): Remove.
5480 (named_section_flags): New.
5481 (named_section): Use it and targetm.section_type_flags.
5482 (resolve_unique_section): New.
5483 (assemble_start_function): Use it.
5484 (asm_emit_uninitialised, assemble_variable): Likewise.
5485 (default_section_type_flags): New.
5486 (default_no_named_section, default_elf_asm_named_section): New.
5487 (default_coff_asm_named_section, default_pe_asm_named_section): New.
5488 * output.h: Update varasm.c decls.
5489 (SECTION_*): New flags.
5491 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5492 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5494 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5495 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5496 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5497 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5498 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
5499 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
5500 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5501 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5502 * config/pa/pa64-hpux.h,
5504 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5505 (TARGET_ASM_NAMED_SECTION): New.
5506 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5507 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5508 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5509 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5510 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5511 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5512 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5513 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5514 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5515 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5516 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5517 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5518 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5519 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5520 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5521 * config/sparc/sysv4.h: Likewise.
5523 * config/nextstep.h: Error until named sections implemented.
5525 * config/a29k/a29k.c (a29k_asm_named_section): New.
5526 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5527 (vms_section_type_flags, vms_asm_named_section): New.
5528 * config/arm/arm.c (arm_elf_asm_named_section): New.
5529 * config/avr/avr.c (asm_output_section_name): Remove.
5530 * config/avr/avr-protos.h: Update.
5531 * config/c4x/c4x.c (c4x_asm_named_section): New.
5532 * config/h8300/h8300.c (h8300_asm_named_section): New.
5533 * config/i386/i386.c (sco_asm_named_section): New.
5534 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5535 (i386_pe_section_type_flags): New.
5536 (i386_pe_asm_named_section): New.
5537 * config/i386/i386-protos.h: Update.
5538 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5539 * config/mcore/mcore.c (mcore_asm_named_section): New.
5540 * config/mips/mips.c (iris6_asm_named_section): New.
5541 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5542 instead of UNIQUE_SECTION_P.
5543 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5544 (xcoff_asm_named_section): New.
5545 * config/sh/sh.c (sh_asm_named_section): New.
5546 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5548 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5549 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5550 (EH_FRAME_SECTION_NAME): New.
5551 (EXCEPTION_SECTION): New.
5552 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5553 (DEBUG_*_SECTION): Remove.
5554 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5555 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5556 (EH_FRAME_SECTION_ASM_OP): Remove.
5558 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5559 (ASM_OUTPUT_SECTION_NAME): Remove.
5560 (TARGET_ASM_NAMED_SECTION): New.
5561 (TARGET_HAVE_NAMED_SECTIONS): New.
5562 (TARGET_SECTION_TYPE_FLAGS): New.
5563 (EH_FRAME_SECTION_ASM_OP): Remove.
5564 (EH_FRAME_SECTION_NAME): New.
5566 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5568 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5569 for complex expressions when cfun == 0.
5570 * doc/extend.texi: Document that __builtin_constant_p can be
5571 used in data initializers as well as functions.
5573 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5575 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5576 variable I locally, instead of expecting a declaration in the
5579 2001-08-03 Richard Henderson <rth@redhat.com>
5581 * except.c (collect_one_action_chain): Add an explicit cleanup
5582 action if regions surrounding a catch were encoded entirely
5583 within the call-site entry.
5585 2001-08-03 Richard Henderson <rth@redhat.com>
5587 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5588 don't take REGNO of a non-register.
5590 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5592 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5593 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5594 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5595 (__gthread_mutex_init_function): New function for mutex initialization.
5597 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5599 * Makefile.in: Revert screwed up commit.
5601 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5603 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5604 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5605 merged by linker script to get a final _exit().
5606 (__do_global_dtors): New for destructor handling in specific exit
5608 (__do_global_ctors): New for constructors in specific install section.
5609 (__map_data_section): Map data sections before running constructors.
5610 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5611 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5612 (DTORS_SECTION_ASM_OP): Likewise.
5613 (CTORS_SECTION_FUNCTION): Define to force a reference to
5615 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5617 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5619 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5621 * Makefile.in: Add df.h to gcse.c dependencies.
5623 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5625 * varasm.c (output_constant_def_contents): Use for the length of a
5626 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5627 depending on which is larger.
5629 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5631 * gcse.c: Include df.h for use as a dataflow analyzer.
5633 Declaration of reg_set_info: gone.
5634 New df_analyzer variable used by store motion.
5635 (reg_set_info): Deleted.
5636 (mark_mem_regs): New function, analyze regs used by a mem.
5637 (store_ops_ok): Use dataflow analyzer results to determine if
5638 necessary regs are changed in the block.
5639 (find_moveable_store): Remove check for symbol ref, we can handle
5640 much more complex expressions now.
5641 (compute_store_table): Remove most of the code, it's unnecessary
5642 now that the dataflow analyzer records the info for us.
5643 (store_killed_after): Add parameter to say whether to do the
5644 store_ops_okay test, used to speed up testing when we already know
5645 the answer, and just want to know if the store itself was killed.
5646 (build_store_vector): Largely rewritten to calculate the various
5647 vectors properly, and somewhat optimized.
5648 (store_motion): Init the df_analyzer, get REG_DEF chains.
5649 Also handle trapping expressions (since mems almost always trap)
5650 (simple_mem): Redefine what a simple mem is.
5652 2001-08-03 DJ Delorie <dj@redhat.com>
5654 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5655 set from a constant part of the condition.
5657 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5659 * mkdeps.c (deps_add_default_target): Make local variable
5660 ``start'' a const char pointer.
5661 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5663 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5665 * doc/install.texi (Configuration): Fix markup.
5666 (Specific, i?86-*-udk): Likewise.
5667 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5669 Document --enable-threads and --enable-libgcj status.
5670 (Specific, mips-sgi-irix*): Canonicalize triples.
5671 (Specific, mips-sgi-irix5): Warn about problems with this config.
5672 Mention required GNU as patch.
5673 Native assembler problems are fixed.
5674 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5675 Document --enable-threads and --enable-libgcj status.
5677 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5679 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5682 2001-08-03 Richard Henderson <rth@redhat.com>
5684 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5687 2001-08-03 Richard Henderson <rth@redhat.com>
5689 * rtlanal.c (find_first_parameter_load): Stop if we
5690 reach a CODE_LABEL at BOUNDARY.
5692 2001-08-03 Richard Henderson <rth@redhat.com>
5694 * config/alpha/alpha.md (force_movdi): New insn.
5695 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5696 Tweek FRP marking of VMS prologue insns.
5697 * config/alpha/vms.h (EPILOGUE_USES): New.
5699 2001-08-02 Richard Henderson <rth@redhat.com>
5701 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5703 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5705 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5706 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5707 config/convex/convex.h, config/d30v/d30v.c,
5708 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5709 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5710 config/mips/mips.h, config/mn10200/mn10200.h,
5711 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5712 config/v850/v850.h, config/vax/openbsd.h,
5713 config/vax/openbsd1.h, config/vax/ultrix.h,
5714 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5715 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5716 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5717 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5718 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5719 in comments and documentation.
5721 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5725 * Makefile.in (line-map.o): New.
5726 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5727 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5728 * cpperror.c (print_containing_files): Similarly.
5729 (print_location): Update. Don't output a space before _Pragma.
5730 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5731 (stack_include_filee, cpp_make_system_header): Update.
5732 (_cpp_execute_include): Get logical line number right for calling
5733 as-yet-unterminated #include.
5734 * cpphash.h (struct cpp_reader): Add line_maps.
5735 (_cpp_do_file_change): Update.
5736 * cppinit.c (cpp_create_reader): Initialize line maps.
5737 (cpp_destroy): Destroy line maps.
5738 (cpp_start_read): Get logical line number right.
5739 * cpplex.c (parse_string): Only warn once for multi-line strings.
5740 Use boolean variable for null warning.
5741 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5743 (do_include_common): End the directive early.
5744 (do_line): Don't warn about out-of-range lines in preprocessed
5745 source. Update. Remove unused variables.
5746 (_cpp_do_file_change): Update for new line mapping.
5747 (pragma_cb): New typedef.
5748 (cpp_register_pragma): Stop looking ahead before calling the
5750 (do_pragma_system_header): End directive early.
5751 (cpp_get_line_maps): New.
5752 (cpp_pop_buffer): Fudge logical line. Update.
5753 * cpplib.h: Include line-map.h
5754 (enum cpp_fc_reason): Remove.
5755 (struct cpp_file_change): Update.
5756 (cpp_get_line_maps): New.
5757 * cppmain.c (struct_printer): New member map.
5758 (cb_file_change): Update for new mappings.
5759 * fix-header.c (cb_file_change): Similarly.
5761 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5763 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5764 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5766 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5768 * config/vax/vax.c: include expr.h.
5770 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5772 * Makefile.in ($(srcdir)/configure): Only rebuild in
5774 ($(srcdir)/config.in): Only define in maintainer mode.
5775 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5777 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5779 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5781 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5783 * gcc.c (set_collect_gcc_options): New function, split out from
5785 Ignore elided switches.
5786 (do_spec_1): Invoke before executing command.
5787 (set_input): Export.
5788 Move declaration ...
5789 * gcc.h (set_input): ... here.
5790 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5793 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5796 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5798 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5800 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5802 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5803 for the unnamed instructions it expands to.
5805 2001-08-02 Richard Henderson <rth@redhat.com>
5807 * regclass.c (call_really_used_regs): Conditionally define.
5808 (init_reg_sets_1): Don't use it if not defined.
5809 (fix_register): Similarly, don't set it.
5811 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5813 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5814 Correct comment that had been missed in the previous change.
5816 2001-08-01 Stan Shebs <shebs@apple.com>
5818 * config/darwin.c (machopic_stub_name): Try matching by name.
5819 (update_stubs): New function.
5820 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5823 2001-08-01 Richard Henderson <rth@redhat.com>
5825 * except.c (output_function_exception_table): Use assemble_align.
5826 * varasm.c (assemble_eh_label): Remove.
5827 (assemble_eh_align, assemble_eh_integer): Remove.
5829 2001-08-01 Robert Lipe <robertl@caldera.com>
5831 * dwarfout.c: Remove reference to README.DWARF.
5833 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5835 * regclass.c (call_really_used_regs): New array for registers which
5836 are actually used by a call.
5837 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5839 (fix_register): Set call_really_used too.
5840 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5841 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5843 2001-08-01 Richard Henderson <rth@redhat.com>
5845 * read-rtl.c (read_name): Consider \r whitespace.
5847 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5849 * config.gcc: Recognize powerpc-*-netbsd*.
5851 * doc/install.texi (Host/target specific installation notes for
5852 GCC): Mention powerpc-*-netbsd*.
5854 * config/rs6000/netbsd.h: New file.
5855 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5856 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5857 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5858 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5859 (TARGET_VERSION): Redefine.
5861 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5862 mcall-netbsd as a match for mcall-sysv.
5863 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5864 (ncrti.S, ncrtn.S): New targets.
5865 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5867 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5868 "netbsd' as a V4 ABI.
5869 (ASM_SPEC): Check for -mcall-netbsd.
5870 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5871 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5872 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5873 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5874 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5875 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5876 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5878 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5879 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5881 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5883 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5884 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5885 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5886 including "unwind-pe.h".
5888 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5890 * rs6000.md (define_splits): Kill unused constraints.
5892 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5893 Jan Hubicka <jh@suse.cz>
5895 * function.c (thread_prologue_and_epilogue_insns): Kill code
5896 dealing with non-existent CFG.
5898 2001-08-01 Kazu Hirata <kazu@hxi.com>
5900 * alias.c: Fix comment formatting.
5901 * bitmap.c: Likewise.
5902 * builtins.c: Likewise.
5903 * calls.c: Likewise.
5904 * c-common.c: Likewise.
5905 * c-decl.c: Likewise.
5906 * c-dump.c: Likewise.
5907 * c-lex.c: Likewise.
5908 * collect2.c: Likewise.
5909 * combine.c: Likewise.
5910 * conflict.c: Likewise.
5911 * cppfiles.c: Likewise.
5912 * cppinit.c: Likewise.
5913 * cpplex.c: Likewise.
5914 * cpplib.c: Likewise.
5915 * cppmacro.c: Likewise.
5916 * cppspec.c: Likewise.
5917 * c-pragma.c: Likewise.
5918 * crtstuff.c: Likewise.
5920 * cselib.c: Likewise.
5921 * c-semantics.c: Likewise.
5922 * c-typeck.c: Likewise.
5924 2001-08-01 H.J. Lu <hjl@gnu.org>
5926 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5928 2001-08-01 H.J. Lu <hjl@gnu.org>
5930 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5932 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5934 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5935 contextualizing Objective-C class name lookup by the lexer.
5936 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5938 (protocoldef): Add support for forward @protocol declarations.
5939 (yylexname): Suppress ObjC class name lookup in certain contexts;
5940 re-enable after lookup is complete.
5941 (_yylex): Re-enable ObjC class name lookup when certain
5942 punctuation marks are seen.
5944 * objc/objc-act.c (check_protocol_recursively): New function used
5945 for finding circular dependencies in protocols.
5946 (objc_declare_protocols): New function for handling forward
5947 @protocol declarations.
5948 (receiver_is_class_object): Detect the case when 'self' is used
5949 inside of a class method.
5950 (build_message_expr): Issue a warning if class method is desired
5951 but instance method is found instead.
5952 (conforms_to_protocol): Streamline.
5953 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5954 protocol Foo, even if 'Bar foo' does not.
5955 (check_protocols): Streamline.
5956 (start_protocol): Add checks for circular and duplicate protocol
5958 (encode_aggregate_within): For typedefs of structs, encode the
5960 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5961 (objc_declare_protocols): New prototype.
5963 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5965 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5966 * cpplex.c (handle_newline): Update prototype. Maintain logical
5968 (skip_escaped_newlines, skip_block_comment, parse_string):
5970 (_cpp_lex_token): Update, and store token position within the token.
5971 * cpplib.h (struct cpp_token): Add line and column entries.
5972 * cppmacro.c (replace_args): Position stringified tokens correctly.
5974 2001-08-01 Andreas Jaeger <aj@suse.de>
5976 * basic-block.h: Add prototype for last_loop_beg_note.
5978 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5980 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5981 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5983 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5984 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5985 expand_decl_cleanup.
5986 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5988 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5989 operand while calling simple_cst_equal.
5990 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5991 operand is the cleanup expression, the third is the RTL_EXPR.
5992 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5994 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5996 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5998 2001-07-31 matthew green <mrg@eterna.com.au>
6000 * config.gcc (i386-*-netbsdelf): New description.
6001 * config/i386/netbsd-elf.h: New file.
6003 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
6005 * loop.c (check_dbra_loop): Use single_set to compute
6008 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
6010 PowerPC reorg and support for powerpc64-*-linux*.
6012 Also fixes emitting of constants on 32 bit and 64 bit
6015 * config.gcc: powerpc64-*-linux* is a new target.
6016 Things that needed aix.h now also include xcoff.h
6018 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
6020 Move AIX specific stuff into aix.h.
6021 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
6022 with more than just XCOFF now.
6023 (SET_ASM_OP): Remove, now defined where needed.
6024 (FUNCTION_PROLOGUE): New macro definition.
6025 (FUNCTION_EPILOGUE): New macro definition.
6026 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
6028 * config/rs6000/xcoff.h: New file.
6030 * config/rs6000/linux64.h: New file.
6032 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
6034 2001-07-31 Alan Modra <amodra@bigpond.net.au>
6036 * rs6000.c (print_operand_address): Handle ELF syntax.
6037 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
6038 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
6039 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
6041 2001-07-31 David Edelsohn <edelsohn@gnu.org>
6043 * rs6000.c (rs6000_override_options): Only disable
6044 flag_function_sections for XCOFF.
6045 (exact_log2_cint_operand): New predicate.
6046 (reg_or_{add,sub}_cint64_operand): New predicates.
6047 (add_operand): Compare CONST_INT with fewer function calls.
6048 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
6049 (print_operand, case 'p'): Ensure positive operand.
6050 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
6051 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
6052 (PREDICATE_CODES): Add new predicates.
6053 * rs6000.md (addsi3): Split 32-bit constants more correctly.
6054 (divsi3, modsi3): Ensure positive power-of-2.
6055 (adddi3): Use new predicate. Split 32-bit constants more
6056 correctly. Re-arrange splitter to handle any constant.
6057 (subdi3): Use new predicate.
6058 (divdi3, moddi3): Ensure positive power-of-2.
6059 (movdi): Use rs6000_emit_set_const.
6060 (load_toc_v4_pic_di): Delete.
6062 2001-07-31 Graham Stott <grahams@redhat.com>
6064 * function.c (pad_below): Revert 2001-07-26 patch.
6066 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6068 * reg-stack (convert_regs_1): Fix best edge condition.
6070 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6072 * jump.c (duplicate_loop_exit_test): Better test for jumps
6073 entering the loop; create loop pre_header.
6075 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
6077 * doc/install.texi: Add s390 and s390x as new targets.
6078 * doc/invoke.texi: Add documantation of S/390 and zSeries
6080 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
6082 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6084 * config/m68k/m68k.md: Replace all general_operand with
6085 nonimmediate_operand for all destinations.
6086 * config/m68k/m68k.c (not_sp_operand): Likewise.
6088 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
6090 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
6092 2001-07-30 Richard Henderson <rth@redhat.com>
6094 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
6095 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
6097 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6099 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
6100 Add missing doc strings
6101 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
6102 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
6104 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6106 * i386.c (ix86_output_main_function_alignment_hack): New function.
6107 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
6109 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
6110 edges by EDGE_DFS_BACK flag.
6111 (dump_edge_info): Add dfs_back flag.
6112 * basic-block.h (EDGE_DFS_BACK): New constant.
6113 (mark_dfs_back_edges): Declare.
6114 * alias.c (loop_p): Remove.
6115 (mark_constant_function): Use mark_dfs_back_edges.
6117 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
6118 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
6119 (compensate_edge): Break out from ...
6120 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
6121 (convert_regs_2): Set block_done once block is really done;
6122 Do updating of the predecesors counts.
6124 * toplev.c (rest_of_compilation): Recompute block_for_insn
6125 before post-reload cfg_cleanup.
6126 * function.c (thread_prologue_epilogue_insns):
6127 Call set_block_for_new_insns when emitting prologue directly.
6129 2001-07-30 Andreas Jaeger <aj@suse.de>
6131 * jump.c: Add prototype for mark_modified_reg.
6133 * cse.c (set_live_p): Add unused attribute.
6135 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
6137 (scan_for_source_files): Use long for count to avoid overflow.
6138 (output_data): Likewise.
6139 (output_data): Don't use string concatatenation to silence gcc
6142 * predict.c: Fix typos and grammar.
6144 * gcse.c (insert_insn_end_bb): Remove unused variables.
6146 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
6148 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
6149 (attempt_auto_inc): LIkewise.
6150 (mark_used_reg): Likewise.
6151 (try_pre_increment_1): Likewise.
6152 * regclass.c (regclass): Likewise.
6153 * global.c (allocno_compare): Update comment; change scaling factor.
6154 * local-alloc.c (QTY_CMP_PRI): Likewise.
6155 * regs.h (REG_FREQ_FROM_BB): New.
6156 (REG_FREQ_MAX): Likewise.
6158 2001-07-30 H.J. Lu <hjl@gnu.org>
6160 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
6163 2001-07-30 H.J. Lu (hjl@gnu.org)
6165 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
6166 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6167 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
6169 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
6171 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
6172 as -mthumb-interwork when -mcpu=arm7 is specified.
6174 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6176 * predict.def (noreturn, loop branch, loop exit): Mark as first
6179 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
6181 * combine.c (try_combine): Avoid barrier after noop jumps.
6183 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6185 * cpphash.h (struct cpp_reader): Remove import_warning.
6186 * cpplib.c (skip_rest_of_line): Don't bother turning off
6188 (parse_include): Move include handling to...
6189 (do_include_common): ... here. Move import warning from...
6190 (do_import): ... here.
6191 (do_pragma_poison): Don't do a callback for poison identifiers.
6192 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
6193 * cppmain.c (setup_callbacks): Similarly.
6195 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
6197 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
6198 handle multiple sets.
6199 * except.c (sjlj_mark_call_sites): .... here.
6200 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
6202 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
6204 Suggested by Richard Henderson and Richard Kenner:
6205 * combine.c (recog_for_combine): Use the fake recog
6206 only if instruction does not match.
6207 * rtl.h (NOOP_MOVE_INSN_CODE): New.
6208 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
6210 * combine.c (try_combine): Discover noop jump as direct jump.
6212 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
6214 * df.c (df_rd_global_compute): Add successors to worklist, not
6216 (df_ru_global_compute): Ditto.
6218 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
6220 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
6221 increment REG_N_SETS.
6223 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
6225 * sbitmap.h: New prototype for sbitmap_a_xor_b.
6227 * sbitmap.c (sbitmap_a_xor_b): New function.
6228 ifdef the basic block stuff on IN_GCC.
6230 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6232 * cppexp.c (parse_defined): Always record the macro name.
6233 (lex): Don't worry about identifiers, or special-case
6235 (_cpp_parse_expr): Figure out at the end of the routine
6236 whether we saw a valid !defined() expression.
6237 * cppfiles.c (stack_include_file): Update for mi_valid.
6238 (_cpp_pop_file_buffer): Similarly.
6239 * cpplex.c (_cpp_lex_token): Similarly.
6240 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
6241 mi_if_not_defined, mi_lexed): Remove.
6243 * cpplib.c (do_if): Simplify.
6244 (do_endif, push_conditional, _cpp_handle_directive): Update
6245 for renaming of mi_state to mi_valid.
6247 * cpp.texi: Add index entries for digraphs, and add comment
6248 that C++ refers to them as alternative tokens.
6250 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6252 * basic-block.h (CLEANUP_PRE_LOOP): New.
6253 * except.c (finish_eh_generation): Update call of cleanup_cfg.
6254 * sibcall.c (optimize_sibling_calls): Likewise.
6255 * toplev.c (rest_of_compilation): Likewise.
6256 * flow.c (try_forward_edges): Take argument MODE;
6257 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
6258 (try_optimize_cfg): Update call of try_forward_edges.
6260 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6261 Jan Hubicka <jh@suse.cz>
6263 * (validate_replace_rtx_1): Fix simplification of MINUS.
6265 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
6267 PR preprocessor/3669
6268 * cppinit.c (init_dependency_output): Turn off dump requests
6269 if sending dependencies to stdout.
6271 2001-07-28 Richard Henderson <rth@redhat.com>
6273 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
6276 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
6278 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
6280 2001-07-28 Kazu Hirata <kazu@hxi.com>
6282 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
6283 is VAR_DECL first to prevent an ICE.
6285 2001-07-28 Richard Henderson <rth@redhat.com>
6287 * varasm.c (immed_real_const_1): Don't elide special cases for
6289 (clear_const_double_mem): Clear const_tiny_rtx too.
6291 2001-07-28 Richard Henderson <rth@redhat.com>
6293 * dwarf2out.c (dw_val_class_offset): New.
6294 (struct dw_ranges_struct, dw_ranges_ref): New.
6295 (ranges_table, ranges_table_allocated): New.
6296 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
6297 (add_AT_offset, add_ranges, output_ranges): New.
6298 (print_die, output_die): Handle dw_val_class_offset.
6299 (attr_checksum, size_of_die, value_format): Likewise.
6300 (gen_lexical_block_die): Handle non-contiguous blocks.
6301 (gen_block_die): Likewise.
6302 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
6303 if needed. Dump the ranges table.
6304 * final.c (final_start_function): Remove unnecessary notes and
6305 rebuild the block tree before numbering the blocks.
6306 * function.c (reorder_blocks_0): Walk the existing block tree
6307 to unmark all blocks.
6308 (reorder_blocks_1): Create block fragments when duplicate block
6310 (reorder_fix_fragments): New.
6311 (reorder_blocks): Call it.
6312 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
6314 2001-07-28 Richard Henderson <rth@redhat.com>
6316 * emit-rtl.c (adjust_address): Make a copy of the memory address.
6318 2001-07-28 Richard Henderson <rth@redhat.com>
6320 * flow.c (add_to_mem_set_list): New function.
6321 (init_propagate_block_info): Use it.
6322 (mark_set_1): Likewise.
6323 (insn_dead_p): Canonicalize memory address for dead store
6324 comparison. Allow wider mode stores to kill narrower mode stores.
6325 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
6326 (invalidate_mems_from_set): Don't handle MEMs.
6328 2001-07-28 Kazu Hirata <kazu@hxi.com>
6330 * config/h8300/h8300.h: Fix formatting.
6332 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6334 * basic-block.h (EDGE_FREQUENCY): New macro.
6335 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
6337 * flow.c (find_sub_basic_blocks): Likewise.
6338 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
6339 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
6341 * predict.c (DEF_PREDICTOR): New argument FLAGS.
6342 (HITRATE): New macro.
6343 (PRED_FLAG_FIRST_MATCH): New constant.
6344 (predictor_info): New field flgags.
6345 (combine_predictions_for_insn): Use DS theory to combine
6346 probabilities; set the edge probabilities when finished.
6347 (estimate_probability): Avoid duplicated matches
6348 of LOOP_BRANCH heuristics for nested loops; update comment.
6349 * predict.def: Add flags for each prediction, set probabilities
6350 according to B&L paper.
6351 * predict.h (DEF_PREDICTOR): New argument FLAGS.
6353 * profile.c (compute_branch_probabilities): Cleanup way the edge
6354 probabilities are computed and REG_BR_PROB notes are dropped; if
6355 values does not match, emit error.
6356 (init_branch_prob): Do error instead of warning when profile driven
6357 feedback is missing or corrupt.
6359 2001-07-27 DJ Delorie <dj@redhat.com>
6361 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
6362 against a constant, try to adjust the compare to have the desired
6363 constant in it so that min/max optimizations happen more often.
6365 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6367 * flow.c (last_loop_beg_note): New function.
6368 (redirect_edge_and_branch): Use it.
6369 (split_edge): Likewise.
6371 * alias.c (loop_p): Avoid uninitialized memory access.
6373 * flow.c (try_forward_edges): Avoid accessing freed memory.
6375 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
6378 2001-07-26 Andrew Haley <aph@redhat.com>
6379 Joern Rennecke <amylaar@redhat.com>
6381 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
6382 (SUBTARGET_CPP_ENDIAN_SPEC): New.
6383 (SUBTARGET_CPP_SPEC): New.
6385 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
6386 (SUBTARGET_CPP_PTR_SPEC): New.
6387 (CPP_DEFAULT_CPU_SPEC): New.
6388 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
6389 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6390 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
6391 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6392 (SUBTARGET_CPP_SPEC): Define as an empty string.
6394 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6396 * doc/install.texi (Configuration): Properly link the host
6397 specific instructions also when generating HTML.
6399 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
6401 * flow.c (redirect_edge_and_branch_force): Test
6402 target->global_live_at_start.
6404 2001-07-26 Richard Henderson <rth@redhat.com>
6406 * simplify-rtx.c (avoid_constant_pool_reference): Export.
6407 * rtl.h (avoid_constant_pool_reference): Declare it.
6408 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
6409 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
6411 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6413 * rtl.h (cleanup_barriers): Declare.
6414 * jump.c (cleanup_barriers): New function.
6415 * toplev.c (rest_of_compilation): Call cleanup_barriers
6416 before loop optimizer and after bb_reorder.
6418 * flow.c (back_edge_of_syntactic_loop_p): New.
6419 (split_edge): Use it.
6421 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6423 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
6425 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6427 * cse.c (cse_process_notes): Replace any registers if the address
6430 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6432 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6433 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6434 (propagate_block): Update prototype.
6435 * flow.c (update_life_info): Simplify the CFG and
6436 recalculate the global regs which are alive when
6437 removing dead code during a global update.
6438 (propagate_block): Return non-zero if an INSN is
6441 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6443 * Makefile.in (LIBICONV): Define.
6445 2001-07-26 Catherine Moore <clm@redhat.com>
6447 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6448 of conditional to avoid tree checking errors.
6450 2001-07-26 Kazu Hirata <kazu@hxi.com>
6452 * regmove.c (regmove_optimize): Don't replace a reg with
6453 another reg of a different mode.
6455 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6457 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6458 limit length of dependancy flush list.
6459 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6460 * sched-int.h (struct deps): Add pending_flush_length field.
6461 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6462 has 1 element in it.
6463 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6464 (sched_analyze): After a jump, if the pending memory flush list is too
6465 large, flush the pending lists.
6466 (init_deps): Initialize pending_flush_length to 0.
6467 * doc/invoke.texi (max_pending_list_length): Document parameter.
6469 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6471 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
6472 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
6473 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
6475 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6477 * cpphash.h (struct_lexer_state): Delete was_skipping.
6478 Move skipping here from struct cpp_reader.
6479 * cpplex.c (parse_identifier): Update.
6480 (_cpp_lex_token): Don't skip tokens in a directive.
6481 * cpplib.c (struct if_stack): Update.
6482 (start_directive, end_directive): Don't change skipping state.
6483 (_cpp_handle_directive): Update.
6484 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
6485 (do_else, do_endif): Update; only check for excess tokens if not
6486 in a skipped conditional block.
6487 (push_conditional): Update for new struct if_stack.
6489 2001-07-26 Graham Stott <grahams@redhat.com>
6491 * function.c (locate_and_pad_parm): Also pad initial offset
6492 so that the total argument size also includes the padding.
6494 2001-07-26 Graham Stott <grahams@redhat.com>
6496 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6497 change XSTR to XTMPL.
6499 (process_one_cond_exec): Likewise
6501 2001-07-25 Richard Henderson <rth@redhat.com>
6503 * varasm.c (assemble_variable): Create DECL_RTL before setting
6506 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6508 * predict.c (estimate_probability): Avoid duplicated predictions.
6510 * loop.c (find_and_verify_loops): Grok multiple barriers.
6512 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6514 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6516 * dbxout.c: Consistently use putc instead of fputc.
6517 (print_wide_int): New function; call instead of direct fprintf.
6518 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6519 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6520 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6521 (print_int_cst_octal): Likewise.
6522 (print_octal): Show we wrote characters.
6523 (dbxout_type): Set have_used_extensions in more places.
6525 2001-07-25 Catherine Moore <clm@redhat.com>
6527 * config/v850/v850.c (v850_va_arg): Use addr
6528 instead of valist to build incr.
6530 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6532 * flow.c (delete_dead_jumptables): New function.
6533 (life_analyzis): Call it.
6534 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6537 2001-07-25 Richard Henderson <rth@redhat.com>
6539 * except.c (reachable_handlers): Handle a region being removed
6540 out from under a RESX.
6542 2001-07-25 Richard Henderson <rth@redhat.com>
6544 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6545 swap GE/GT if it is an fp comparison.
6547 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6549 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6552 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6554 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6555 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6558 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6560 (visit_expression): When attempting to simplify an expression,
6561 retrieve any modes for arguments before they are simplified
6564 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6565 Janis Johnson <janis@us.ibm.com>
6567 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6568 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6569 pointer parameters to match documented usage of nonlocal_goto.
6570 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6571 parameters to their correct order.
6572 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6573 parameters to their correct order.
6575 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6577 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6579 2001-07-25 Jan Hubicka <jh@suse.cz>
6580 Richard Henderson <rth@redhat.com>
6582 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6584 (make_edges): New argument update_p; populate the edge cache if set.
6585 (find_basic_blocks): Update make_edges invocation.
6587 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6589 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6591 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6593 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6594 -Acpu and -Amachine.h.
6595 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6596 Corrected header to say ELF not a.out.
6597 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6598 when given -msoft-float.
6600 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6602 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6603 extra multilib parts like arm-elf.
6604 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6605 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6606 crtfini.o as extra multilib parts.
6608 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6610 * configure.in: Add rtems as a supported thread model.
6611 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6612 * configure: Rebuilt.
6614 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6616 * stor-layout.c (get_mode_alignment): make it work when
6617 BITS_PER_UNIT is not a power of two.
6618 * builtins.c (get_pointer_alignment): Likewise.
6620 2001-07-24 Richard Henderson <rth@redhat.com>
6622 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6623 the retrieved constant into the expected mode.
6625 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6627 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6628 (verify_flow_info): Check for duplicated edges; clarify
6631 * flow.c (block_label): Update basic_block_for_insn.
6632 (commit_edge_insertions): Call compute_bb_for_insn.
6634 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6637 * flow.c (redirect_edge_and_branch,
6638 try_optimize_cfg): Use redirect_edge_succ_nodup
6639 (redirect_edge_succ_nodup): New.
6640 * basic_block.h (redirect_edge_succ_nodup): Declare.
6642 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6645 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6647 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6648 (try_crossjump_to_edge): Update commetns.
6649 (try_crossjump_bb): Likewise.
6651 2001-07-24 Richard Henderson <rth@redhat.com>
6653 * combine.c (distribute_notes): Move set of need_refresh
6654 for noop_move_p down to catch all cases.
6656 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6658 * recog.c (split_all_insns_noflow): New.
6659 * rtl.h (split_all_insns_noflow): Declare.
6660 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6661 * m68hc11.c (m68hc11_reorg): Likewise.
6662 * sh.c (machine_dependent_reorg): Likewise.
6663 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6666 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6668 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6669 (ashlsi3_n splitter): Likewise.
6670 (lshrsi3_n splitter): Likewise.
6672 (GOTaddr2picreg): Make const SImode.
6673 (sym_label2reg): Likewise.
6674 (symGOT2reg): Likewise.
6675 (symGOTOFF2reg) Likewise.
6677 (casesi_worker_0): Make unspec SImode.
6679 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6681 * config/sh/sh.c (barrier_align): Check that an operand really is
6682 an insn before extracting its INSN_CODE.
6684 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6686 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6689 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6690 for SImode to prevent overflow.
6692 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6694 * config/mips/irix6-libc-compat.c: New file.
6695 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6696 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6699 2001-07-24 lars brinkhoff <lars@nocrew.org>
6701 * rtl.texi (REG_POINTER): Document.
6702 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6703 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6705 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6707 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6709 2001-07-23 Richard Henderson <rth@redhat.com>
6711 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6713 2001-07-23 Kazu Hirata <kazu@hxi.com>
6715 * config/h8300/h8300-protos.h: Add a prototype for
6716 general_operand_dst_push.
6717 * config/h8300/h8300.c (general_operand_dst_push): New.
6718 * config/h8300/h8300.h (OK_FOR_T): New.
6719 (EXTRA_CONSTRAINT): Use it.
6720 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6721 the existing movqi pattern.
6722 (movhi_push): Likewise.
6724 * reload.c: Fix comment typos.
6726 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6728 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6730 2001-07-23 H.J. Lu (hjl@gnu.org)
6732 * doc/extend.texi: Update __builtin_return_address and
6733 __builtin_frame_address.
6735 2001-07-23 Richard Henderson <rth@redhat.com>
6737 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6739 * config/i386/i386.md: New setcc+movzbl peephole2.
6741 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6743 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6744 * objc/objc-act.c: Include debug.h.
6745 (synth_module_prologue): Save and restore debug hooks too.
6747 2001-07-23 lars brinkhoff <lars@nocrew.org>
6749 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6750 and C4X_FLOAT_FORMAT.
6751 (BOOL_TYPE_SIZE): Document.
6753 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6755 * unroll.c (loop_iterations): Fix miscalculation of initial
6758 2001-07-13 Andrew Haley <aph@redhat.com>
6760 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6761 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6762 * config/sh/sh.c (sh_can_redirect_branch): New function.
6763 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6764 * reorg.c (steal_delay_list_from_target): Use
6765 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6767 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6769 * flow.c (try_simplify_condjump): Unlink insn chain on
6770 fallthru edge; use can_fallthru.
6772 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6774 * basic-block.h (find_sub_basic_block): Declare.
6775 * flow.c (make_edges): New arguments MIN and MAX;
6776 (find_sub_basic_blocks): Revamp to use make_edges
6777 and purge_dead_edges.
6778 (find_basic_blocks): Update call of find_sub_basic_block.
6780 * recog.c (split_all_insns): Always expect CFG to be consistent;
6781 call find_sub_basic_blocks in case something has changed.
6782 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6785 * basic-block.h (delete_noop_moves): Declare.
6786 * combine.c (combine_instructions): Call it.
6787 (recog_for_combine): Tolerate noop moves
6788 (distribute_notes): Force refresh when register dies at noop move.
6789 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6791 (life_analysis): Update delete_noop_moves call.
6792 (set_noop_p): Move too ...
6793 * rtlanal.c (noop_move_p): ... here.
6794 * rtl.h (noop_move_p): Declare.
6796 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6797 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6799 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6800 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6802 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6804 * reload.c (push_reload): Fix typo in comment.
6805 (find_reloads_address): Ditto.
6806 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6808 2001-07-22 Richard Henderson <rth@redhat.com>
6810 * flow.c: Grammar check and clarify a lot of comments.
6811 (try_simplify_condjump): Rename variables to be clearer.
6812 (try_forward_edges): Skip complex and fallthru edges.
6813 Rearrange tests to avoid duplicate checks.
6814 (flow_find_cross_jump): Likewise.
6815 (outgoing_edges_match): Allow match if neither branch has
6816 probability data. Loosen probability match to 5%.
6817 (try_crossjump_to_edge): Hoist repeated indirection into
6819 (try_crossjump_bb): Don't check complex edges. Eliminate
6820 redundant crossjump tests.
6821 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6822 checks before more expensive checks.
6824 2001-07-22 Richard Henderson <rth@redhat.com>
6826 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6827 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6830 2001-07-22 Richard Henderson <rth@redhat.com>
6832 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6833 (const_sint32_operand): Likewise.
6834 * m68k.md (anon mulsi pattern): Use const_int_operand not
6835 const_sint32_operand.
6836 (umulsi3_highpart): Zero extend a constant input.
6837 (smulsi3_highpart): Don't bother checking SImode constant.
6838 (const_umulsi3_highpart): Give op3 DImode.
6839 (const_smulsi3_highpart): Likewise.
6841 2001-07-22 Richard Henderson <rth@redhat.com>
6843 * flow.c (split_block): Make sure bb_note is included in the
6844 new block when splitting before a label.
6846 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6848 * basic-block.h (redirect_edge_and_branch_force,
6849 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6850 * flow.c (redirect_edge_and_branch_force,
6851 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6852 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6853 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6854 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6855 instead of label; update CFG after transformation.
6856 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6857 for finishing the transformation; handle even case where ELSE
6858 does not follow THEN.
6859 (find_if_case_2): Update call of dead_or_predictable; simplify
6862 * emit-rtl.c (split_branch_probability): New global variable.
6863 (try_split): Take care to set split_branch_probability and
6864 create REG_BR_PROB note for new jump insns.
6865 * md.texi (define_split): Document new feature.
6867 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6869 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6871 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6872 (asm_out_file): Remove redundant declaration.
6873 (assemble_asm): Remove old #if 0 block.
6874 (assemble_variable): Remove end of function; debug output is
6875 now handled with global_decl. Remove old #if 0 block. Update.
6876 Remove saved_in_section and associated no-op code.
6877 * Makefile.in (varasm.o): Correct dependencies.
6879 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6881 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6882 the definition in defaults.h.
6884 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6886 * jump.c: Update comments.
6887 (delete_barrier_successors, delete_unreferenced_labels,
6888 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6889 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6890 jump_optimize, jump_optimize_minimal): Kill.
6891 (rebuild_jump_labels): Move code from jump_optimize_1.
6892 (purge_line_number_notes): Likewise.
6893 (copy_loop_headers): Likewise.
6894 * reg-stack.c: Update comment.
6896 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6897 JUMP_AFTER_REGSCAN): Kill.
6898 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6899 purge_line_number_notes and copy_loop_headers.
6901 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6902 Richard Henderson <rth@redhat.com>
6904 * dbxout.c (dbxout_global_decl): New.
6905 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6906 * sdbout.c (sdbout_finish): New.
6907 (sdbout_debug_hooks): Use it, add comments.
6908 (sdbout_global_decl): Defer initialised public vars to
6910 * varasm.c (assemble_variable): Don't output debug information
6911 for file-scope variables.
6913 2001-07-22 Richard Henderson <rth@redhat.com>
6915 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6916 (get_round_mode_suffix): New.
6917 (print_operand): Use them for [/]. Remove support for [&'`()+].
6918 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6919 * config/alpha/alpha.md (attr round_suffix): New.
6920 (attr trap_suffix): New.
6921 (all insns): Set them appropriately. Use %/ instead of the
6924 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6926 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6928 2001-07-22 Richard Henderson <rth@redhat.com>
6930 * regrename.c (regrename_optimize): Compute nregs for each
6931 potential target register.
6933 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6934 Richard Henderson <rth@redhat.com>
6936 * dbxout.c (dbxout_global_decl): New.
6937 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6938 * sdbout.c (sdbout_finish): New.
6939 (sdbout_debug_hooks): Use it, add comments.
6940 (sdbout_global_decl): Defer initialised public vars to
6942 * varasm.c (assemble_variable): Don't output debug information
6943 for file-scope variables.
6945 2001-07-21 H.J. Lu (hjl@gnu.org)
6947 * config/mips/mips.c (mips_cpu): Moved into ...
6948 (override_options): Here.
6950 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6952 (mips_cpu): Removed.
6954 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6956 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6957 ("iorqi3"): Likewise.
6958 ("xorqi3"): Likewise.
6959 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6960 ("*subhi3_sp): Likewise.
6961 ("*subhi3"): Likewise.
6962 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6965 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6967 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6968 * config/freebsd.h: Likewise.
6969 * config/linux.h: Likewise.
6970 * config/openbsd.h: Likewise.
6971 * config/alpha/linux-elf.h: Likewise.
6972 * config/arm/linux-elf.h: Likewise.
6973 * config/d30v/d30v.h: Likewise.
6974 * config/fr30/fr30.h: Likewise.
6975 * config/ia64/aix.h: Likewise.
6976 * config/ia64/ia64.h: Likewise.
6977 * config/mips/linux.h: Likewise.
6978 * config/pj/pj.h: Likewise.
6979 * config/rs6000/linux.h: Likewise.
6980 * config/sparc/linux.h: Likewise.
6981 * config/sparc/linux64.h: Likewise.
6983 2001-07-20 Bruce Korb <bkorb@gnu.org>
6985 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6986 because getc() and char* may disagree on signedness.
6988 2001-07-20 Richard Henderson <rth@redhat.com>
6990 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6992 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6993 insns to delete in the presence of cc0 in a jump insn.
6995 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6996 Jan Hubicka <jh@suse.cz>
6998 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6999 of doing the change by hand.
7001 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
7003 * rtlanal.c (set_noop_p): Return true for noop jumps.
7005 * expr.c (emit_single_push_insn): Add call to push expander.
7006 * expr.h (optab_index): Add OTI_push
7007 (push_optab): New constant.
7008 * genopinit.c (optabs): Add push_optab.
7009 * optabs.c (init_optab): Init push optab.
7010 * md.texi (push??1): Document
7012 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7014 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
7015 expand to emit the pattern; put a REG_INC note for push/pop
7017 ("movdf", "movdf_internal"): Likewise.
7018 ("movsi", "movsi_internal"): Likewise.
7019 ("movsf", "movsf_internal"): Likewise.
7020 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
7022 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7024 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
7027 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
7029 * params.def: Change default max inline insns to 100.
7031 2001-07-20 Diego Novillo <dnovillo@redhat.com>
7033 * combine.c (combine_simplify_rtx): Generate a new shift operation
7034 when simplifying the first operand of a (neg (ashift)) expression.
7036 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7038 * regclass.c (N_REG_INTS): Use only 32 bits per element.
7040 2001-07-20 Kelley Cook <kelley.cook@home.com>
7042 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
7043 information. Move rest into ...
7044 (*-*-solaris): ... here. Eliminate redundant information and
7045 reword necessary packages section. Delete 4.x assembler bug info.
7046 (sparc-sun-*): Merge into ...
7047 (sparc-sun-sunos*): here.
7049 2001-07-20 Catherine Moore <clm@redhat.com>
7051 * config/v850/v850.md (casesi): Generate LABEL_REF
7054 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
7056 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
7057 * i386.c (ix86_zero_extend_to_Pmode): Make global.
7058 * i386.md (strclrsi expander): Use it.
7060 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7062 * integrate.c (copy_insn_list): handle
7063 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
7064 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
7065 identically as to CODE_LABEL.
7067 * fold-const (fold): Convert A/B/C to A/(B*C) and
7070 * except.c (connect_post_landing_pads): Delete the RESX insns.
7072 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
7074 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
7076 * config/mips/mips.md (nmadd/nmsub): Use macro.
7078 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
7080 * cppinit.c (remove_dup_dir): Make static.
7081 (remove_dup_dirs): Make static. Only warn about preempting a
7082 system directory with a non-system directory.
7084 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7086 * ifcvt.c (noce_try_store_flag_constants): Correct order
7087 of parameters to trunc_int_for_mode.
7089 2001-07-19 Mark Mitchell <mark@codesourcery.com>
7091 * reorg.c (fill_simple_delay_slots): If an instruction might throw
7092 an exception that will be caught within this function, do not fill
7093 its delay slot with any subsequent instruction.
7095 2001-07-19 Steve Ellcey <sje@cup.hp.com>
7097 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
7098 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
7099 pointer extension instruction.
7100 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
7101 * simplify-rtx.c (simplify_unary_operation) Likewise.
7102 * explow.c (convert_memory_address) Check value of
7103 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
7105 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
7106 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
7107 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
7108 Add Multilib Support.
7109 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
7110 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
7111 Add Multilib Support.
7112 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
7114 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
7115 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
7116 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
7118 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
7120 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
7121 old and new operands in `<', `3' and `b'.
7123 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7125 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
7126 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
7127 (toplev.o): Don't depend on xcoffout.h.
7128 * c-decl.c: Include debug.h
7129 (duplicate_decls): Use debug hook.
7130 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
7131 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7132 (dbxout_types): Remove.
7133 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
7134 * debug.c (do_nothing_debug_hooks): Update.
7135 (debug_true_tree, debug_nothing_rtx): New.
7136 * debug.h (struct rtx_def): New.
7137 (struct gcc_debug_hooks): New hooks ignore_block,
7138 outlining_inline_function and label.
7139 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
7140 dwarf2out_frame_finish): New.
7141 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
7142 Make static, update prototype.
7143 (dwarf2_debug_hooks): Update.
7144 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
7145 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
7146 * dwarfout.c (dwarf_debug_hooks): Update.
7147 * emit-rtl.c: Include debug.h.
7148 (remove_unnecessary_notes): Use debug hook.
7149 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
7150 (final_scan_insn): Use debug hook.
7151 * integrate.c (output_inline_function): Use debug hook.
7152 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
7153 (sdb_debug_hooks): Update.
7154 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
7155 * toplev.c: Don't include xcoffout.h.
7156 (note_outlining_of_inline_function, debug_ignore_block): Remove.
7157 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
7159 * tree.h (dwarf2out_do_frame): Remove.
7161 2001-07-19 Catherine Moore <clm@cygnus.com>
7163 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
7165 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7167 * reload1.c (eliminate_regs_in_insn): When updating a set
7168 to the frame pointer to the hardware frame pointer, perform
7169 the update always not just when REPLACE is set.
7171 * reload1.c (choose_reload_regs): Don't inherit a reload
7172 that crosses multiple registers if registers past the first
7173 don't fit in the desired class.
7175 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
7176 when negating constants.
7178 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
7180 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
7181 * doc/tree.texi: Ditto.
7183 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
7184 Jakub Jelinek <jakub@redhat.com>
7186 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
7187 (extract_cie_info): Handle "eh" augmentation properly,
7189 (struct frame_state, __frame_state_for): New.
7191 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7193 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
7194 HANDLE_SYSV_PRAGMA): Define.
7195 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
7197 (copy_object): Caller changed.
7199 2001-07-19 Andreas Schwab <schwab@suse.de>
7201 * configure.in (assembler dwarf2 debug_line support): Define nop
7203 * configure: Regenerated.
7205 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7207 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
7209 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
7210 to conditionally compiled block.
7211 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7212 * dbxout.h (dbxout_function): Remove.
7213 * debug.c (do_nothing_debug_hooks): Update.
7214 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
7215 global_decl, deferred_inline_function.
7216 * dwarf2out.c (dwarf2_debug_hooks): Update.
7217 (dwarf2out_global_decl): New.
7218 * dwarfout.c: Don't include dwarfout.h.
7219 (dwarfout_global_decl, dwarfout_function_decl,
7220 dwarfout_deferred_inline_function): New.
7221 (dwarf_debug_hooks): Update.
7222 * dwarfout.h: Remove.
7223 * final.c: Don't include dwarfout.h.
7224 * sdbout.c (sdbout_global_decl): New.
7225 (sdbout_debug_hooks): Update.
7226 * toplev.c: Don't include dwarfout.h.
7227 (check_global_declarations, rest_of_compilation): Use new debug hooks.
7228 (note_deferral_of_defined_inline_function): Remove.
7229 * toplev.h (note_deferral_of_defined_inline_function): Remove.
7230 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
7231 * ch/lex.c: Don't include dwarfout.h.
7232 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
7233 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
7234 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
7235 * cp/optimize.c: Include debug.h.
7236 (maybe_clone_body): Use debug hook.
7237 * cp/semantics.c: Include debug.h.
7238 (expand_body): Use debug hook.
7239 * po/POTFILES.in: Remove dwarfout.h.
7241 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7243 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
7244 * c-parse.in (yyerror, _yylex): Similarly.
7245 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
7246 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
7248 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
7249 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
7251 2001-07-18 Jeff Sturm <jsturm@one-point.com>
7253 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
7254 in-class declaration at -g1. Fixes c++/2814.
7256 2001-07-18 Richard Henderson <rth@redhat.com>
7258 * doc/md.texi (reload_in/out): Document restrictions in predicates
7259 and constraints for these patterns. Document empty string matching
7262 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7264 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
7266 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7268 * cse.c: Undo my previous patch.
7270 2001-07-18 Tom Tromey <tromey@redhat.com>
7273 * configure: Rebuilt.
7274 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
7276 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
7278 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
7279 Jan Hubicka <jh@suse.cz>
7281 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
7282 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
7283 * jump.c (mark_jump_label): Do not forward branches.
7285 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
7287 * cse.c (delete_trivially_dead_insns): Delete the libcall block
7288 when return value is unused.
7290 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7292 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
7294 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
7296 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
7297 on error. We can't blindly return the result of
7298 pthread_mutex_trylock because it returns a positive number on
7299 error, while we must return -1 on error.
7300 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
7302 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
7304 2001-07-18 Andreas Jaeger <aj@suse.de>
7306 * integrate.c (output_inline_function): Correct type of debug_hooks.
7308 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
7310 * combine.c (combine_simplify_rtx): DIV can be treated
7311 associatively for floats if unsafe math optimisations are enabled.
7313 2001-07-17 Richard Henderson <rth@redhat.com>
7315 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
7317 2001-07-17 Richard Henderson <rth@redhat.com>
7319 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
7320 don't force the function address into a register.
7321 (expand_call, emit_library_call_value_1): Update callers.
7322 * builtins.c (expand_builtin_apply): Likewise.
7323 * expr.h (prepare_call_address): Update decl.
7325 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
7327 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
7329 * config/i386/chorus.h: Move up.
7330 * config/sparc/chorus.h: Likewise.
7331 * config/rs6000/chorus.h: Likewise.
7332 * config/chorus.h: Moved here.
7334 2001-07-17 Andreas Schwab <schwab@suse.de>
7336 * configure.in (assembler eh_frame optimization): Handle big
7338 * configure: Regenerated.
7340 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
7342 * expr.c (epxand_expr): Convert divisions into multiplications by
7343 reciprocals if -ffast-math.
7345 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
7347 * dbxout.c (dbxout_really_begin_function): Rename to
7348 dbxout_begin_function.
7349 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7350 (dbxout_begin_function): Remove.
7351 (dbxout_function): Update.
7352 (dbxout_source_line): Update prototype.
7353 * dbxout.h (dbxout_begin_function): Remove.
7354 * debug.c (do_nothing_debug_hooks): Update.
7355 (debug_nothing_tree): Update.
7356 (debug_nothing_charstar_rtx): Remove.
7357 * debug.h (union tree_node): Declare.
7358 (struct rtx_def): Remove.
7359 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
7360 begin_function. Change source_line prototype.
7361 (debug_nothing_tree): New.
7362 (debug_nothing_charstar_rtx): Delete.
7363 (dwarf2out_begin_prologue): Moved from ...
7365 * dwarf2out.c (dwarf2_debug_hooks): Update.
7366 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
7367 debug info, call dwarf2out_source_line.
7368 (dwarf2out_souce_line): Update prototype.
7369 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
7370 Change prototype, make static.
7371 (dwarfout_source_line): Update prototype.
7372 (dwarf_debug_hooks): Update.
7373 * dwarfout.h (dwarfout_begin_function): Remove.
7374 * final.c (final_start_function, final_scan_insn): Use appropriate
7375 debug hooks, update to use notice_source_line.
7376 (output_source_line): Rename notice_source_line. Don't call the
7377 source_line debug hook.
7378 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
7379 make static, update prototype.
7380 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
7382 (sdbout_end_prologue): New.
7383 (sdbout_source_line): Update prototype.
7384 (sdbout_debug_hooks): Update.
7385 (sdbout_symbol): Remove unused var.
7386 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
7388 * varasm.c: Include debug.h.
7389 (assemble_start_function): Use begin_function debug_hook.
7390 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7391 update with prototype.
7392 (xcoffout_source_line): Update prototype.
7393 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7395 (xcoffout_source_line): Update prototype.
7397 2001-07-17 Richard Henderson <rth@redhat.com>
7399 * c-typeck.c (build_binary_op): Do not shorten unsigned
7400 right shift after sign extension.
7402 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
7404 * combine.c (combine_simplify_rtx): Attempt to simplify
7405 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
7407 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
7408 (simplify_binary_operation, simplify_unary_operation,
7409 simplify_relational_operation): Use it.
7411 * combine.c (combine_simplify_rtx): Don't do associative law
7412 on divisions; allow associative law on floats.
7414 2001-07-17 H.J. Lu <hjl@gnu.org>
7415 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7417 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7418 ASM_OUTPUT_WEAK_ALIAS are defined.
7419 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7420 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7422 * config/mips/iris5.h: ... here.
7423 (HANDLE_SYSV_PRAGMA): Defined as 1.
7424 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
7425 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7428 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7430 * c-parse.in (all_prefix_attributes): New variable.
7431 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7432 (maybe_resetattrs): New production.
7433 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7434 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7435 notype_initdcl, nested_function, notype_nested_function,
7436 component_decl, components, components_notype,
7437 component_declarator, component_notype_declarator,
7438 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7439 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7440 after a comma being applied to more than one declarator.
7441 * doc/extend.texi (Attribute Syntax): Update. Remove
7442 documentation of bugs that are no longer present.
7444 2001-07-13 Eric Christopher <echristo@redhat.com>
7446 * config/mips/mips.h: Change TUNE_MIPS* options to use
7448 (EXTRA_SPECS): Add cc1_cpu_spec.
7449 * config/mips/mips.md (muldf3): Fix typo.
7451 2001-07-16 Richard Henderson <rth@redhat.com>
7453 * config/m68k/m68k.c: Include expr.h and reload.h.
7454 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7455 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7457 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7458 Richard Henderson <rth@redhat.com>
7460 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7461 (insn_live_p): Fix fall off end of function.
7462 (dead_libcall_p): Remove COUNTS argument; update callers.
7463 (delete_trivially_dead_insns): Remove unused variables.
7465 2001-07-17 Andreas Jaeger <aj@suse.de>
7467 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7470 * lcm.c (optimize_mode_switching): Avoid warning for unused
7471 variable if !NORMAL_MODE.
7473 * flow.c (try_crossjump_to_edge): Remove unused variable.
7475 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
7477 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
7478 atexit declaration in stdlib.h.
7480 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
7482 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
7484 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7486 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
7487 * except.c (finish_eh_generation): Update call of cleanup_cfg;
7488 do rebuild_jump_labels instead of jump_optimize
7489 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7490 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7491 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7493 * flow.c: Include timevar.h
7494 (find_basic_block): Push/pop timevar;
7495 (cleanup_cfg): Likewise.
7496 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7497 * Makefile: Add dependencies on timevar.h
7499 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
7500 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7502 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7503 * toplev.c (rest_of_compilation): Update calls.
7504 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7505 (delete_trivially_dead_insns): ... here; accept new argument
7506 preserve_basic_blocks; preserve basic blocks if set.
7508 * reg-stack.c (stack_regs_mentioned): Return 0 if
7509 stack_regs_mentioned_data is not initialized.
7510 (reg_to_stack): Make stack_regs_mentioned survive after the
7511 reg-stack is completted; do not call cleanup_cfg.
7512 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7513 make cleanup_cfg after bb-reorder to output to debug file.
7515 2001-07-16 Richard Henderson <rth@redhat.com>
7517 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7518 from int_reg_class_contents.
7520 2001-07-16 Richard Henderson <rth@redhat.com>
7522 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7523 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7524 (init_reg_sets_1): Move initialization from cse_main.
7525 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7526 (cse_main): Move its initialization also.
7527 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7528 * flow.c (propagate_one_insn): Likewise.
7529 * gcse.c (compute_hash_table): Likewise.
7530 (compute_kill_rd, compute_store_table): Likewise.
7531 * sched-deps.c (sched_analyze_1): Likewise.
7533 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7535 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7538 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7540 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7541 in if statement so we don't access undefined memory.
7543 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7545 * gcse.c: Update comment at top.
7546 Update comment on mem handling.
7547 mem_last_set, mem_first_set, mem_set_in_block: gone.
7548 Declaration of reg_set_info: gone.
7549 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7550 pointless with load_killed_in_block_p (they are *more*
7551 conservative then it, not less, and less accurate).
7552 (oprs_not_set_p): Ditto.
7553 (alloc_gcse_mem): Don't allocate mem_set_in_block
7554 (free_gcse_mem): Don't free it, either.
7555 (record_last_mem_set_info): Update comment in front, remove
7556 mem_*set_* stuff. Note the reason we don't handle stores directly
7558 (compute_hash_table): Update comments to reflect reality. Remove
7559 mem_*set_* references.
7560 (reset_opr_set_tables): Remove mem_*set_* references.
7562 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7563 (mark_clobber): Ditto (on both parts, we double set here too).
7564 (expr_killed_p): Remove mem_set_in_block test.
7565 (compute_transp): Remove mem_set_in_block test.
7567 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7568 of edge, and removal of phi alternative to dump file.
7569 (ssa_ccp_substitute_constants): Add note about register now being
7570 constant, and which uses were replaced in what insns to dump file.
7572 2001-07-16 Andreas Jaeger <aj@suse.de>
7574 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7575 variables of type HOST_WIDEST_INT.
7577 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7578 (__bb_exit_func): Correct type of count_max to avoid overflow.
7579 (num_digits): Handle long long argument.
7581 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7583 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7585 * output.h (sdb_begin_function_line): Restore as an extern
7587 * sdbout.c (sdb_begin_function_line): Make extern.
7589 2001-07-15 Richard Henderson <rth@redhat.com>
7591 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7592 * genrecog.c (maybe_both_true_mode): New.
7593 (maybe_both_true_2): Use it.
7594 (write_switch): Don't put Pmode in a switch.
7595 * rtl.c (mode arrays): Don't explicitly size them.
7597 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7599 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7600 handling; move unconditional splitting before mode switching.
7602 * i386.md (type): Add fistp type.
7603 (i387, length_attr, scheduling definitions): Handle this type.
7604 (fix_trunc?f?i2): Revamp to use mode switching.
7605 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7606 * i386.h (fp_cw_mode): New enum
7607 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7608 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7610 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7612 * Makefile.in (integrate.o): Add debug.h.
7613 * integrate.c (debug.h): Add.
7614 (output_inline_function): Save, reset, and restore debug_hooks.
7616 2001-07-15 Richard Henderson <rth@redhat.com>
7618 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7619 instead of COMPARE for the EQUIV expression.
7621 2001-07-15 Richard Henderson <rth@redhat.com>
7623 * flow.c (redirect_edge_and_branch_force): Initialize
7624 global_live_at_start and global_live_at_end.
7625 (allocate_bb_life_data): Export.
7626 * basic-block.h (allocate_bb_life_data): Declare.
7627 * toplev.c (rest_of_compilation): Call it.
7629 2001-07-15 Richard Henderson <rth@redhat.com>
7631 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7632 (alpha_tablejump_best_label): New.
7633 * config/alpha/alpha-protos.h: Declare them.
7634 * config/alpha/alpha.md: Use braced strings for code blocks.
7635 (tablejump_osf): Break out add with r29.
7636 (tablejump_osf_internal): Remove.
7637 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7638 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7640 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7642 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7645 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7647 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7648 (ix86_fp_jump_nontrivial_p): New.
7649 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7650 use ix86_fp_jump_nontrivial_p.
7651 * i386.c (ix86_fp_jump_nontrivial_p): New.
7652 (ix86_split_fp_branch): Accept code instead of rtx.
7653 (ix86_expand_compare): Expand comparison early in case
7654 doing so is resonably cheap.
7656 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7658 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7660 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7661 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7663 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7665 * dbxout.c (dbxout_source_line): Make static, update prototype.
7666 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7667 (dbxout_init, dbxout_finish, dbxout_source_line,
7668 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7669 * dbxout.h (dbxout_source_line): Delete.
7670 * debug.c (debug_nothing_file, debug_nothing_file_int,
7671 debug_nothing_file_charstar_rtx): New.
7672 (do_nothing_debug_hooks): Update.
7673 (debug_nothing_void, debug_nothing_charstar_rtx,
7674 dwarf2out_end_epilogue): New.
7675 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7676 * debug.h (struct rtx_def): Declare.
7677 (gcc_debug_hooks): New hooks source_line, end_epilogue
7679 (debug_nothing_void, debug_nothing_charstar_rtx,
7680 dwarf2out_end_epilogue): New.
7681 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7682 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7683 (dwarf2_debug_hooks): Update.
7684 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7685 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7686 * dwarf2out.h (dwarf2out_source_line): Remove.
7687 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7688 Make static, update prototype.
7689 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7690 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7691 (dwarf_debug_hooks): Update.
7692 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7693 dwarfout_end_function): Remove.
7694 * final.c (profile_function): Use debug hooks for ending functions
7696 (output_source_line, final_end_function): Update prototype,
7698 (final_start_function, final_scan_insn): Update.
7699 * output.h (sdb_begin_function_line): Remove.
7700 (final_end_function): Update prototype.
7701 * sdbout.c (sdb_begin_function_line): Make static.
7702 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7703 (sdbout_source_line): New.
7704 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7706 (sdb_debug_hooks): Update.
7707 (sdbout_init, sdbout_source_line,
7708 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7709 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7710 * toplev.c (compile_file, rest_of_compilation): Update.
7711 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7712 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7713 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7714 Update for prototype changes.
7715 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7716 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7718 2001-07-15 Richard Henderson <rth@redhat.com>
7720 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7721 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7722 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7723 * config/alpha/alpha.c: Likewise.
7724 * config/alpha/alpha.md: Likewise.
7725 * config/alpha/alpha32.h: Likewise.
7726 * config/alpha/vms.h: Likewise.
7729 2001-07-14 Richard Henderson <rth@redhat.com>
7731 * config/alpha/alpha.md: Use define_constants for unspec values.
7732 Substitute throughout.
7734 2001-07-14 Tim Josling <tej@melbpc.org.au>
7736 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7738 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7740 * pa.md: Remove unused constraints from define_split's.
7742 2001-04-14 Richard Henderson <rth@redhat.com>
7744 * ifcvt.c (find_cond_trap): Test for exit block.
7746 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7748 Re-install recently reverted patch.
7749 * emit-rtl.c (try_split): Update mark_jump_label call.
7750 * flow.c (find_sub_basic_blocks): Likewise.
7751 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7753 (mark_all_labels): Kill second parameter.
7754 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7755 (rebuild_jump_labels, jump_optimize_minimal): Update call
7757 (jump_optimize_1): Kill crossjumping code.
7758 (mark_jump_label): Kill cross_jump parameter.
7759 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7760 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7761 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7763 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7765 (dump_file_info): Likewise.
7766 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7767 reorganize passes to do reg-stack first, bb-reorder second.
7768 * invoke.texi (-d letters doc): Remove the jump2 pass.
7770 2001-07-14 Richard Henderson <rth@redhat.com>
7772 * ifcvt.c (find_cond_trap): New.
7773 (find_if_header): Call it.
7774 (merge_if_block): Relax existing jump sanity check.
7775 * jump.c (jump_optimize_1): Remove conditional trap handling.
7777 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7779 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7781 (insn_refs_are_delayed): Correct comment.
7782 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7783 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7784 instead of r31. Make associated insn !TARGET_64BIT, and
7785 provide an additional 64-bit insn that clobbers r2.
7787 (udivsi3): Likewise.
7789 (umodsi3): Likewise.
7791 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7793 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7795 * flow.c (redirect_edge_and_branch_force, split_edge,
7796 try_crossjump_to_edge): Use set_block_for_new_insns.
7797 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7799 2001-07-13 H.J. Lu (hjl@gnu.org)
7801 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7804 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7806 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7808 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7810 * c-common.c (decl_attributes): Take a pointer to the node to
7811 which attributes are to be attached, and a flags argument.
7812 * c-common.h (enum attribute_flags): New.
7813 (decl_attributes): Update prototype.
7814 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7815 finish_enum, start_function): Update calls to decl_attributes.
7816 * c-parse.in (component_declarator, component_notype_declarator,
7817 label): Update calls to decl_attributes.
7819 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7821 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7822 * config/avr/avr.c (legitimate_address_p): Return value changed
7823 from letter to register classes. For better debugging.
7825 2001-07-13 Kazu Hirata <kazu@hxi.com>
7827 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7829 2001-07-13 H.J. Lu (hjl@gnu.org)
7831 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7833 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7835 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7836 correctly for shared configurations.
7837 * config/t-libgcc-pic: New.
7838 * config/{i386,m68k,sparc}/t-openbsd: New.
7839 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7840 Support -shared. Support debugging libraries with -g.
7841 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7842 frame information does not emit pointer diffs.
7843 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7846 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7848 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7850 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7852 * combine.c (try_combine): Ensure const_int pow2 is positive.
7854 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7856 * config.gcc: Add configuration for s/390.
7857 * config/s390/s390.c: New. Subroutines for code generation.
7858 * config/s390/s390.h: New. Definitions for s/390.
7859 * config/s390/s390-protos.h: New. Prototypes.
7860 * config/s390/linux.h: New. Definitions for linux for s/390.
7861 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7862 * config/s390/t-linux: New. Makefile fragment.
7863 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7864 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7866 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7868 * emit-rtl.c (try_split): Update mark_jump_label call.
7869 * flow.c (find_sub_basic_blocks): Likewise.
7870 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7872 (mark_all_labels): Kill second parameter.
7873 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7874 (rebuild_jump_labels, jump_optimize_minimal): Update call
7876 (jump_optimize_1): Kill crossjumping code.
7877 (mark_jump_label): Kill cross_jump parameter.
7878 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7879 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7880 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7882 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7884 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7885 reorganize passes to do reg-stack first, bb-reorder second.
7886 * invoke.texi (-d letters doc): Remove the jump2 pass.
7888 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7890 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7892 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7894 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7896 (verify_flow_info): Make diagnostics prettier.
7898 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7900 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7902 * flow.c (outgoing_edges_match): Return early if condition reversal
7905 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7907 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7908 (mips_move_2words): When splitting a move into two instructions,
7909 prefix the second address operand with '%D'.
7911 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7913 * Makefile.in (final.o): Depend on debug.h.
7914 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7915 (dbx_debug_hooks): Add new hooks.
7916 (xcoff_debug_hooks): New.
7917 * debug.c (debug_nothing_file_int_int): New.
7918 (do_nothing_debug_hooks): Update.
7919 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7920 (debug_nothing_file_int_int): New.
7921 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7922 static, update prototype.
7923 (dwarf2_debug_hooks): Update.
7924 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7925 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7926 static, update prototype.
7927 (dwarf_debug_hooks): Update.
7928 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7929 * final.c: Include debug.h.
7930 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7931 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7932 static, update prototype.
7933 (sdb_debug_hooks): Update.
7934 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7935 * toplev.c: Distinguish between xcoff and dbx.
7937 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7938 Call all debug hooks, not just dwarf ones.
7940 2001-07-11 Timothy Wall <twall@redhat.com>
7942 * config.gcc: Add configuration for AIX5/IA64.
7943 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7944 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7945 support prefix/suffix code.
7946 * config/ia64/t-aix: New. Makefile fragment.
7947 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7949 2001-07-11 Kazu Hirata <kazu@hxi.com>
7951 * recog.c (validate_change): Fix a comment typo.
7953 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7955 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7956 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7958 * dbxout.c (dbx_debug_hooks): Add new hooks.
7959 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7961 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7963 * dbxout.h (dbxout_start_new_source_file,
7964 dbxout_resume_previous_source_file): Delete.
7965 * debug.c (do_nothing_debug_hooks): Add new hooks.
7966 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7967 (debug_nothing_int_charstar, debug_nothing_int): New.
7968 * debug.h (gcc_debug_hooks): New hooks define, undef,
7969 start_source_file and end_source_file.
7970 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7971 (debug_nothing_int_charstar, debug_nothing_int): New.
7972 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7973 the conditionally compiled section.
7974 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7975 dwarf2out_define, dwarf2out_undef): Make static.
7976 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7977 dwarf2out_define, dwarf2out_undef): Remove.
7978 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7979 (dwarfout_start_source_file, dwarfout_end_source_file,
7980 dwarfout_define, dwarfout_undef): Make static.
7981 (dwarfout_start_source_file_check,
7982 dwarfout_end_source_file_check): New.
7983 (dwarfout_define, dwarfout_finish): Update.
7984 * dwarfout.h (dwarfout_start_new_source_file,
7985 dwarfout_resume_previous_source_file, dwarfout_define,
7986 dwarfout_undef): Remove.
7987 * sdbout.c (sdb_debug_hooks): Add new hooks.
7988 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7990 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7991 make static, take an arg.
7992 * sdbout.h (sdbout_start_new_source_file,
7993 sdbout_resume_previous_source_file): Delete.
7994 * toplev.c (debug_start_source_file, debug_end_source_file,
7995 debug_define, debug_undef): Delete.
7996 * toplev.h (debug_start_source_file, debug_end_source_file,
7997 debug_define, debug_undef): Delete.
7999 * java/jcf-parse.c: Include debug.h.
8000 (parse_class_file): Update to use debug hooks directly.
8001 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
8003 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8005 * alias.c (set_mem_alias_set): New function.
8006 * rtl.h (set_mem_alias_set): Declare it.
8007 * builtins.c (expand_builtin_return_addr): Call it instead of
8008 using MEM_ALIAS_SET accessor.
8009 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
8010 (get_memory_rtx, expand_builtin_va_arg): Likewise.
8011 (expand_builtin_va_copy):Likewise.
8012 * caller-save.c (setup_save_areas): Likewise.
8013 * calls.c (compute_argument_addresses): Likewise.
8014 * explow.c (set_mem_attributes): Likewise.
8015 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
8016 (expand_assignment, store_constructor_field, store_field): Likewise.
8017 (expand_expr_unaligned): Likewise.
8018 * function.c (assign_stack_temp_for_type): Likewise.
8019 (put_reg_into_stack, gen_mem_addressof): Likewise.
8020 * ifcvt.c (noce_try_cmove_arith): Likewise.
8021 * reload1.c (reload, alter_reg): Likewise.
8022 * config/alpha/alpha.c (get_aligned_mem): Likewise.
8023 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
8024 (alpha_expand_unaligned_store): Likewise
8025 (alpha_expand_unaligned_load_words): Likewise.
8026 (alpha_expand_unaligned_store_words): Likewise.
8027 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
8028 (alpha_expand_epilogue): Likewise.
8029 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
8030 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
8031 * config/i386/i386.c (legitimize_pic_address): Likewise.
8032 * config/i960/i960.c (setup_incoming_varargs): Likewise.
8033 * config/ia64/ia64.c (spill_restore_mem): Likewise.
8034 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
8035 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
8036 * config/mips/mips.c (mips_va_arg): Likewise.
8037 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
8038 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
8039 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
8040 (setup_incoming_varargs, rs6000_va_arg): Likewise.
8041 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
8042 (rs6000_emit_epilogue): Likewise.
8043 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
8044 * config/sparc/sparc.c (sparc_va_arg): Likewise.
8045 * config/v850/v850.c (v850_va_arg): Likewise.
8047 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
8049 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
8050 when fallthru edge is present.
8051 (mege_blocks): Handle case where creation of jump insn
8054 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
8055 CLEANUP_POST_REGSTACK): New constants.
8056 * except.c (finish_eh_generation): Update call of cleanup_cfg,
8057 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
8058 * output.h (cleanup_cfg): Update prototype.
8059 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
8060 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
8061 cleanup_cfg call; kill missleading comment.
8062 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
8063 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
8064 parameter; control optimizations performed using it.
8065 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8066 try_crossjump_bb): New functions.
8068 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8070 * pa.c (pa_output_function_prologue): Delete prototype. Make function
8072 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
8073 pa_output_function_prologue.
8074 * pa-protos.h (pa_output_function_prologue): New prototype.
8076 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8078 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
8079 and low to get correct sign extension in low+high test.
8081 2001-07-11 Janis Johnson <janis@us.ibm.com>
8083 * gcov.c (arcdata): Use gcov_type to fix branch percentage
8084 for large hit count.
8086 * profile.c (branch_prob): Fix .bbg info for computed gotos
8089 2001-07-11 Mark Mitchell <mark@codesourcery.com>
8091 * stmt.c (parse_output_constraint): New function, split out
8093 (expand_asm_operands): ... here. Use parse_output_constraint.
8094 * tree.h (parse_output_constraint): Declare it.
8096 2001-07-11 Richard Henderson <rth@redhat.com>
8098 * bitmap.c: Comment some functions; fiddle whitespace.
8099 (bitmap_free): Don't export.
8100 (bitmap_element_allocate): Use memset.
8101 * bitmap.h (bitmap_free): Don't declare.
8103 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
8105 * gcse.c, lcm.c, sched-deps.c:
8106 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
8108 * flow.c (flow_loops_find): Free dom if we found no loops, since
8109 we aren't going to save it.
8111 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
8114 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
8116 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
8118 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8120 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
8121 #ifndef DWARF2_DEBUGGING_INFO.
8123 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8125 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
8127 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8129 * config/mips/mips.c (gen_int_relational): Tell the caller not to
8130 reverse a branch if a NE comparison is implemented with GTU.
8132 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8133 H.J. Lu <hjl@gnu.org>
8135 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
8137 (call_internal2): Likewise.
8138 (call_value_internal1): Likewise.
8139 (call_value_internal2): Likewise.
8140 (call_value_multiple_internal1): Likewise.
8141 (call_value_multiple_internal2): Likewise.
8143 2001-07-10 Kazu Hirata <kazu@hxi.com>
8145 * calls.c (emit_library_call_value_1): Fix a comment typo.
8146 * dwarf2out.c (mem_loc_descriptor): Likewise.
8147 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
8149 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
8151 * simplify-rtx.c (simplify_subreg): Fix typo in comment
8153 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8155 * recog.c (offsettable_address_p): Handle LO_SUM case.
8156 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
8157 instead of plus_constant.
8159 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8161 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
8162 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
8164 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8166 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
8167 adjust_address_nv instead of plus_constant.
8169 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
8171 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
8172 dwarf2out.o): Depend on debug.h, wrap long lines.
8173 * dbxout.c: Include debug.h.
8174 (dbx_debug_hooks): New.
8175 (dbxout_init): Make static, take just 2 args.
8176 (dbxout_finish): Make static.
8177 * dbxout.h (dbxout_init, dbxout_finish): Delete.
8178 * debug.c: New file.
8179 * debug.h: New file.
8180 * dwarf2out.c: Include debug.h.
8181 (dwarf2_debug_hooks): New.
8182 (dwarf2out_init): Make static.
8183 (dwarf2out_finish): Make static, take 2 args.
8184 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
8185 * dwarfout.c: Include debug.h.
8186 (dwarf_debug_hooks): New.
8187 (dwarfout_init): Make static.
8188 (dwarfout_finish): Make static, take 2 args.
8189 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
8190 * sdbout.c: Include debug.h.
8191 (sdb_debug_hooks): New.
8192 (sdbout_init): Make static, take 2 args.
8193 * sdbout.h (sdbout_init): Delete.
8194 * toplev.c: Include debug.h.
8196 (compile_file): Set deubg_hooks based on command line options.
8197 Use the hooks unconditionally rather than conditional compilation.
8199 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
8201 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
8202 first_insn_after_basic_block_note instead.
8204 * df.c (df_bb_refs_unlink): #if 0 out for now.
8206 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
8208 * ssa.h: Add prototype for ssa_const_prop
8209 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
8210 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
8211 (ssa_fast_dce): Remove unused variable
8213 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8215 * diagnostic.c (finish_diagnostic): Rename to
8216 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
8219 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
8221 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
8224 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
8225 (dump_file): Only pad the demangled name with spaces if the
8226 mangled name was padded with spaces.
8228 2001-07-10 Bernd Schmidt <bernds@redhat.com>
8230 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
8233 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8235 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
8236 extraction if no direct load if either EXPAND_CONST_ADDRESS or
8239 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
8240 whether can put offset inside LO_SUM to check mode alignment, not size.
8242 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8244 * doc/tm.texi (Misc): Fix thinko.
8246 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
8248 * regmove.c (replace_in_call_usage): Fix warnings.
8249 * sched-deps.c (add_dependence): Fix warnings.
8250 * simplify-rtx.c (simplify_subreg): Likewise.
8251 Return NULL_RTX instead of NULL.
8253 * reg-stack.c (emit_swap_insn): Eliminate warnings.
8254 (subst_asm_stack_regs): Likewise.
8256 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
8259 * dwarf2out.c (output_call_frame_info): Declare i as int.
8260 (build_abbrev_table): Declare n_alloc as int.
8261 (dwarf2out_finish): Initialize die.
8262 * except.c: Declare sjlj_funcdef_number as unsigned.
8263 (connect_post_landing_pads): Declare j as unsigned.
8264 (convert_to_eh_region_ranges): Initialize call_site.
8265 (output_function_exception_table): Initialize tt_format_size.
8266 * expr.c (move_by_pieces_1): Initialize to1.
8267 (store_constructor): Initialize minelt and maxelt.
8268 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
8269 * function.c (instantiate_decls): Avoid signed/unsigned warning.
8271 * c-decl.c (combine_parm_decls): Unused, remove.
8272 * c-tree.h: Remove prototype for combine_parm_decls.
8274 * reload.c (push_reload): Fix warning.
8275 (regno_clobbered_p): Likewise.
8276 * reload1.c (replace_pseudos_in_call_usage): Likewise.
8277 (reload_combine): Likewise.
8279 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
8280 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
8282 * bitmap.c (bitmap_operation): Change user.
8283 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
8285 2001-07-10 Eric Christopher <echristo@redhat.com>
8287 * config/mips/mips.c (override_options): Fix typo.
8289 2001-07-09 Stan Shebs <shebs@apple.com>
8291 * target.h (struct gcc_target): New fields init_builtins and
8293 * target-def.h (TARGET_INIT_BUILTINS): New macro.
8294 (TARGET_EXPAND_BUILTIN): New macro.
8295 (TARGET_INITIALIZER): Add them.
8296 * builtins.c: Include target.h.
8297 (expand_builtin): Use targetm.expand_builtin.
8298 (default_init_builtins): New function.
8299 (default_expand_builtin): New function.
8300 * expr.h (default_init_builtins): Declare.
8301 (default_expand_builtin): Declare.
8302 * c-common.c (c_common_nodes_and_builtins): Use
8303 targetm.init_builtins.
8304 * defaults.h (MD_INIT_BUILTINS): Remove.
8305 * Makefile.in (builtins.o): Depend on target.h.
8307 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
8308 (TARGET_EXPAND_BUILTIN): Define.
8309 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
8310 (MD_EXPAND_BUILTIN): Remove.
8312 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
8313 (TARGET_EXPAND_BUILTIN): Define.
8314 (c4x_init_builtins): Make endlink arg a local.
8315 (c4x_print_operand): Fix typos in adjust_address usages.
8316 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
8317 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
8318 (MD_EXPAND_BUILTIN): Remove.
8320 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
8321 (TARGET_EXPAND_BUILTIN): Define.
8322 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
8323 (ix86_init_builtins): Call new function only if TARGET_MMX.
8324 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
8325 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
8326 (MD_EXPAND_BUILTIN): Remove.
8328 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
8329 (TARGET_EXPAND_BUILTIN): Define.
8330 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
8331 (MD_EXPAND_BUILTIN): Remove.
8333 * doc/tm.texi: Document these changes.
8335 2001-07-09 Diego Novillo <dnovillo@redhat.com>
8337 * basic-block.h (tree_node): Forward declare if needed.
8338 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
8339 (BLOCK_HEAD_TREE): Define.
8340 (BLOCK_END_TREE): Define.
8341 (struct loops): Rename field 'tree' to 'tree_root'.
8342 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
8344 (flow_loops_tree_build): Rename reference to field 'tree' to
8346 (flow_loops_level_compute): Ditto.
8347 * predict.c (estimate_bb_frequencies): Ditto.
8348 * tree.h (struct tree_common): Add field 'aux'.
8350 2001-07-09 Stan Shebs <shebs@apple.com>
8352 * config/darwin.c (darwin_encode_section_info): Don't mark any
8353 DECL_EXTERNAL node as defined.
8355 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
8357 * pa.c (pa_init_machine_status, pa_mark_machine_status,
8358 pa_free_machine_status, hppa_init_pic_save): Delete.
8359 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
8360 (hppa_profile_hook): Use hppa_pic_save_rtx.
8361 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
8362 hppa_init_pic_save): Delete.
8363 (hppa_pic_save_rtx): Declare.
8364 * pa.md (call, call_value, sibcall, sibcall_value,
8365 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
8367 2001-07-09 Kazu Hirata <kazu@hxi.com>
8369 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
8370 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
8372 2001-07-09 Andreas Jaeger <aj@suse.de>
8374 * output.h: Add declaration of final_forward_branch_p.
8376 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
8378 * varray.c: Include errors.h for internal_error and trim_filename
8381 * Makefile.in (varray.o): Add errors.h.
8383 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
8385 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
8386 * optabs.c (have_add2_insn): Check whether the add insn chosen
8387 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
8388 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
8390 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
8392 * Makefile.in (OBJS): Add ssa-ccp.o
8393 (ssa-ccp.o): Add dependencies.
8394 * toplev.c (DFI_ssa_ccp): New dump file enum.
8395 (dump_file): Add entry for dumping after SSA CCP.
8396 (flag_ssa_ccp): New flag variable.
8397 (f_options): Add -fssa-ccp.
8398 (rest_of_compilation): Run SSA CCP if requested.
8399 * timevar.def (TV_SSA_CCP): New timevar.
8400 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
8401 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
8402 Fix minor typo in SSA DCE documentation.
8403 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
8404 Add documentation for new dump option. Renumber dump files
8407 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8409 * emit-rtl.c (gen_highpart_mode): New.
8410 * rtl.h (gen_highpart_mode): Declare.
8411 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
8412 operand can be VOIDmode constant.
8414 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
8416 * flow.c (redirect_edge_and_branch_force): New.
8417 (can_fallthru): Ensure that basic blocks are succeeding.
8418 (try_optimize_cfg): Do not delete basic block if it is the last one.
8420 * flow.c (try_redirect_by_replacing_jump): Do not remove
8421 jumps with side effects, unlink chain on fallthru edge;
8422 set block for new jump instruction; avoid basic block to
8423 over by line number note.
8425 * flow.c (try_simplify_condjump): Verify that the condjump
8426 is not always falling trought.
8429 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8431 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8432 (try_redirect_by_replacing_jump): Update properly the count
8433 and frequency information.
8435 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8437 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8438 address that is a LO_SUM specially.
8439 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8441 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8443 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8444 (operand_subword): Use them.
8445 (change_address_1): Renamed from change_address; new arg VALIDATE.
8446 * expr.h: Reflect above changes; change_address now macro.
8447 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8449 * cselib.c (add_mem_for_addr): Likewise.
8450 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8451 * regmove.c (try_apply_stack_adjustment): Likewise.
8452 * reload.c (push_reload, make_memloc): Likewise.
8453 * reload1.c (eliminate_regs): Likewise.
8454 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8455 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8457 * combine.c (make_extraction, simplify_shift_const): Likewise.
8458 (gen_lowpart_for_combine): Likewise.
8459 * cse.c (gen_lowpart_if_possible): Likewise.
8460 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8461 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8462 * optabs.c (gen_move_insn): Likewise.
8463 * reload1.c (alter_reg): Likewise.
8464 * simplify-rtx.c (simplify_subreg): Likewise.
8465 * stmt.c (expand_anon_union_decl): Likewise.
8466 * recog.c (validate_replace_rtx_1): Likewise.
8468 * Makefile.in (recog.o): Add $(EXPR_H).
8469 * explow.c (stabilize): Call replace_equiv_address.
8470 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8471 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
8473 2001-07-03 Andrew Haley <aph@redhat.com>
8475 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
8476 the mode of the memory location.
8478 2001-07-09 Bo Thorsen <bo@suse.co.uk>
8480 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
8482 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
8484 * final.c (output_addr_const): Use target opening and
8485 closing parentheses.
8486 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
8487 defaults, add to TARGET_ASM_OUT.
8488 * target.h (struct gcc_target): Add open_paren and close_paren.
8489 * doc/md.texi: Update.
8490 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8491 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8492 TARGET_ASM_CLOSE_PAREN.
8493 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8495 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8497 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
8498 * config/a29k/a29k.h: Similarly.
8499 * config/alpha/alpha.h: Similarly.
8500 * config/arc/arc.h: Similarly.
8501 * config/arm/aof.h: Similarly.
8502 * config/arm/aout.h: Similarly.
8503 * config/avr/avr.h: Similarly.
8504 * config/c4x/c4x.h: Similarly.
8505 * config/clipper/clipper.h: Similarly.
8506 * config/convex/convex.h: Similarly.
8507 * config/d30v/d30v.h: Similarly.
8508 * config/dsp16xx/dsp16xx.h: Similarly.
8509 * config/elxsi/elxsi.h: Similarly.
8510 * config/fr30/fr30.h: Similarly.
8511 * config/h8300/h8300.h: Similarly.
8512 * config/i370/i370.h: Similarly.
8513 * config/i386/i386.h: Similarly.
8514 * config/i860/i860.h: Similarly.
8515 * config/i960/i960.h: Similarly.
8516 * config/ia64/ia64.h: Similarly.
8517 * config/m32r/m32r.h: Similarly.
8518 * config/m68hc11/m68hc11.h: Similarly.
8519 * config/m68k/m68k.h: Similarly.
8520 * config/m88k/m88k.h: Similarly.
8521 * config/mcore/mcore.h: Similarly.
8522 * config/mips/mips.h: Similarly.
8523 * config/mn10200/mn10200.h: Similarly.
8524 * config/mn10300/mn10300.h: Similarly.
8525 * config/ns32k/ns32k.h: Similarly.
8526 * config/pa/pa.h: Similarly.
8527 * config/pdp11/pdp11.h: Similarly.
8528 * config/pj/pj.h: Similarly.
8529 * config/romp/romp.h: Similarly.
8530 * config/rs6000/rs6000.h: Similarly.
8531 * config/sh/sh.h: Similarly.
8532 * config/sparc/sparc.h: Similarly.
8533 * config/v850/v850.h: Similarly.
8534 * config/vax/vax.h: Similarly.
8535 * config/we32k/we32k.h: Similarly.
8537 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8539 * doc/c-tree.texi: Document representation of attributes.
8541 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8543 * doc/tm.texi: Update some places for the rename of target to
8546 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8548 * target.h (struct gcc_target): Add insert_attributes.
8549 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8550 (TARGET_INITIALIZER): Update.
8551 * tree.c, tree.h (default_insert_attributes): New function.
8552 Update comments on other default functions to refer to targetm,
8554 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8555 TARGET_INSERT_ATTRIBUTES.
8556 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8557 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8558 Don't use PRAGMA_INSERT_ATTRIBUTES.
8559 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8560 * c-decl.c (start_decl, start_function): Don't call
8561 SET_DEFAULT_DECL_ATTRIBUTES.
8562 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8563 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8565 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8566 (c4x_check_attribute): Avoid modifying attribute list itself.
8567 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8569 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8570 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8572 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8573 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8575 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8576 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8578 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8579 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8580 Adjust parameters. Make static.
8582 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8584 * c-common.c (decl_attributes): Only take a single attributes
8586 * c-common.h (decl_attributes): Update prototype.
8587 * c-decl.c (start_decl, start_function): Only take a single
8588 attributes parameter. Update calls to decl_attributes.
8589 (finish_struct, finish_enum): Update calls to decl_attributes.
8590 (push_parm_decl): Expect unified list of attributes. Update call
8592 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8593 notype_nested_function, component_declarator,
8594 component_notype_declarator, label): Update calls to
8596 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8597 lists that are passed to push_parm_decl.
8598 * c-tree.h (start_function, start_decl): Update prototypes.
8599 * config/sh/sh-protos.h, config/sh/sh.c
8600 (sh_pragma_insert_attributes): Only take a single attributes
8602 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8603 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8604 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8605 build_module_descriptor, generate_static_references,
8606 generate_strings, build_selector_translation_table,
8607 generate_descriptor_table, generate_protocols,
8608 generate_ivars_list, generate_dispatch_table,
8609 generate_protocol_list, generate_category,
8610 generate_shared_structures, really_start_method, add_objc_decls,
8611 generate_classref_translation_entry): Update calls to start_decl
8613 (build_tmp_function_decl, start_method_def): Unify attribute lists
8614 that are passed to push_parm_decl.
8616 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8618 * final.c (no_asm_to_stream): New.
8619 (final_scan_insn): Use target structures for prologue ends
8620 and epilogue starts.
8621 * output.h (no_asm_to_stream): New.
8622 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8623 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8624 (TARGET_ASM_OUT): Update.
8625 * target.h (struct gcc_target): New members function_end_prologue
8626 and function_begin_epilogue.
8627 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8628 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8629 * config/alpha/alpha.c (output_end_prologue): Rename to
8630 alpha_output_function_end_prologue. Use in target struct
8632 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8633 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8634 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8635 ia64_output_function_end_prologue. Use in target struct
8637 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8638 mistyped prototypes.
8639 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8640 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8642 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8643 an use in target struct, make static.
8644 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8647 2001-07-08 Richard Henderson <rth@redhat.com>
8649 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8651 2001-07-08 Richard Henderson <rth@redhat.com>
8653 * config/i386/i386.md: Remove constraints strings from define_split
8654 and define_peephole2 patterns.
8655 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8656 (eh_return): Use them.
8658 2001-07-08 Richard Henderson <rth@redhat.com>
8660 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8661 Document MD_FALLBACK_FRAME_STATE_FOR.
8663 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8665 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8666 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8668 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8670 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8672 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8673 of the label inside NAME as opposed to just the end of NAME.
8675 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8677 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8678 * config/alpha/alpha.c (alpha_init_machine_status,
8679 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8680 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8681 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8682 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8684 2001-07-06 Stan Shebs <shebs@apple.com>
8686 * target.h (targetm): Rename global from "target", so as not to
8687 conflict with local variables.
8689 * c-typeck.c: Ditto.
8693 * cp/decl2.c: Ditto.
8694 * cp/typeck.c: Ditto.
8695 * 1750a/1750a.c: Ditto.
8696 * a29k/a29k.c: Ditto.
8700 * clipper/clipper.c: Ditto.
8701 * convex/convex.c: Ditto.
8702 * d30v/d30v.c: Ditto.
8703 * dsp16xx/dsp16xx.c: Ditto.
8704 * elxsi/elxsi.c: Ditto.
8705 * fr30/fr30.c: Ditto.
8706 * h8300/h8300.c: Ditto.
8707 * i370/i370.c: Ditto.
8708 * i386/i386.c: Ditto.
8709 * i860/i860.c: Ditto.
8710 * i960/i960.c: Ditto.
8711 * ia64/ia64.c: Ditto.
8712 * m32r/m32r.c: Ditto.
8713 * m68hc11/m68hc11.c: Ditto.
8714 * m68k/m68k.c: Ditto.
8715 * m88k/m88k.c: Ditto.
8716 * mips/mips.c: Ditto.
8717 * ns32k/ns32k.c: Ditto.
8719 * pdp11/pdp11.c: Ditto.
8720 * romp/romp.c: Ditto.
8721 * rs6000/rs6000.c: Ditto.
8723 * sparc/sparc.c: Ditto.
8725 * we32k/we32k.c: Ditto.
8726 * doc/tm.texi: Update the manual to match.
8728 2001-07-06 Richard Henderson <rth@redhat.com>
8730 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8731 DWARF2_UNWIND_INFO not just whether it is defined.
8733 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8735 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8736 call to simplify_binary_operation returns a new pattern.
8738 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8740 * glimits.h (__SHRT_MAX__): New.
8741 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8742 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8744 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8746 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8749 2001-07-06 Richard Henderson <rth@redhat.com>
8751 * bitmap.c (bitmap_release_memory): Move adjacent to the
8752 allocation functions.
8753 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8754 the implementation. Binary search for the set bit.
8755 (bitmap_union_of_diff): Allocate the temporary on the stack
8756 instead of using xmalloc.
8758 2001-07-06 Richard Henderson <rth@redhat.com>
8760 * genrecog.c (validate_pattern): Warn for constraints in
8761 define_{expand,split,peephole2}. Remove strict_low_part
8762 before looking up match_dup.
8764 2001-07-06 DJ Delorie <dj@redhat.com>
8766 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8767 chapter about various build hints and history. Add section
8768 talking about the various types of native and cross builds.
8770 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8772 * Makefile.in (final.o): Depend on target.h.
8773 * final.c: Include target.h.
8774 (default_function_pro_epilogue): New.
8775 (final_start_function): Use target structure for function prologues.
8776 (final_end_function): Use target structure for function epilogues.
8777 * fold-const.c (real_hex_to_f): Constify s and p.
8778 * output.h (default_function_pro_epilogue): New.
8779 * real.h (real_hex_to_f): Update prototype.
8780 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8781 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8782 (TARGET_INITIALIZER): Update.
8783 * target.h (gcc_target): Add struct asm_out.
8784 * doc/tm.texi: Update.
8787 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8788 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8789 in cpu/cpu.c, or rename old functions consistently. Take
8790 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8791 redundant macros and prototypes. Make new functions static.
8793 * 1750a/1750a.c: Similarly.
8794 * 1750a/1750a.h: Similarly.
8795 * a29k/a29k-protos.h: Similarly.
8796 * a29k/a29k.c: Similarly.
8797 * a29k/a29k.h: Similarly.
8798 * arc/arc-protos.h: Similarly.
8799 * arc/arc.c: Similarly.
8800 * arc/arc.h: Similarly.
8801 * arm/arm-protos.h: Similarly.
8802 * arm/arm.c: Similarly.
8803 * arm/arm.h: Similarly.
8804 * avr/avr-protos.h: Similarly.
8805 * avr/avr.c: Similarly.
8806 * avr/avr.h: Similarly.
8807 * clipper/clipper-protos.h: Similarly.
8808 * clipper/clipper.c: Similarly.
8809 * clipper/clipper.h: Similarly.
8810 * convex/convex.c: Similarly.
8811 * convex/convex.h: Similarly.
8812 * d30v/d30v-protos.h: Similarly.
8813 * d30v/d30v.c: Similarly.
8814 * d30v/d30v.h: Similarly.
8815 * d30v/d30v.md: Similarly.
8816 * dsp16xx/dsp16xx-protos.h: Similarly.
8817 * dsp16xx/dsp16xx.c: Similarly.
8818 * dsp16xx/dsp16xx.h: Similarly.
8819 * elxsi/elxsi.c: Similarly.
8820 * elxsi/elxsi.h: Similarly.
8821 * fr30/fr30.c: Similarly.
8822 * fr30/fr30.md: Similarly.
8823 * h8300/h8300-protos.h: Similarly.
8824 * h8300/h8300.c: Similarly.
8825 * h8300/h8300.h: Similarly.
8826 * i370/i370-protos.h: Similarly.
8827 * i370/i370.c: Similarly.
8828 * i370/i370.h: Similarly.
8829 * i386/i386.c: Similarly.
8830 * i386/osf1elf.h: Similarly.
8831 * i386/osfrose.h: Similarly.
8832 * i860/i860-protos.h: Similarly.
8833 * i860/i860.c: Similarly.
8834 * i860/i860.h: Similarly.
8835 * i960/i960-protos.h: Similarly.
8836 * i960/i960.c: Similarly.
8837 * i960/i960.h: Similarly.
8838 * ia64/ia64-protos.h: Similarly.
8839 * ia64/ia64.c: Similarly.
8840 * ia64/ia64.h: Similarly.
8841 * m32r/m32r-protos.h: Similarly.
8842 * m32r/m32r.c: Similarly.
8843 * m32r/m32r.h: Similarly.
8844 * m68hc11/m68hc11-protos.h: Similarly.
8845 * m68hc11/m68hc11.c: Similarly.
8846 * m68hc11/m68hc11.h: Similarly.
8847 * m68k/crds.h: Similarly.
8848 * m68k/dpx2.h: Similarly.
8849 * m68k/m68k-protos.h: Similarly.
8850 * m68k/m68k.c: Similarly.
8851 * m68k/m68k.h: Similarly.
8852 * m68k/news.h: Similarly.
8853 * m88k/m88k-protos.h: Similarly.
8854 * m88k/m88k.c: Similarly.
8855 * m88k/m88k.h: Similarly.
8856 * mips/mips-protos.h: Similarly.
8857 * mips/mips.c: Similarly.
8858 * mips/mips.h: Similarly.
8859 * ns32k/merlin.h: Similarly.
8860 * ns32k/ns32k.c: Similarly.
8861 * ns32k/ns32k.h: Similarly.
8862 * ns32k/tek6000.h: Similarly.
8863 * pa/pa-protos.h: Similarly.
8864 * pa/pa.c: Similarly.
8865 * pa/pa.h: Similarly.
8866 * pdp11/2bsd.h: Similarly.
8867 * pdp11/pdp11-protos.h: Similarly.
8868 * pdp11/pdp11.c: Similarly.
8869 * pdp11/pdp11.h: Similarly.
8870 * romp/romp-protos.h: Similarly.
8871 * romp/romp.c: Similarly.
8872 * romp/romp.h: Similarly.
8873 * rs6000/rs6000-protos.h: Similarly.
8874 * rs6000/rs6000.c: Similarly.
8875 * rs6000/rs6000.h: Similarly.
8876 * rs6000/sysv4.h: Similarly.
8877 * sh/sh-protos.h: Similarly.
8878 * sh/sh.c: Similarly.
8879 * sh/sh.h: Similarly.
8880 * sparc/sparc-protos.h: Similarly.
8881 * sparc/sparc.c: Similarly.
8882 * sparc/sparc.h: Similarly.
8883 * vax/vax.c: Similarly.
8884 * vax/vax.h: Similarly.
8885 * vax/vms.h: Similarly.
8886 * we32k/we32k.c: Similarly.
8887 * we32k/we32k.h: Similarly.
8889 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8891 * basic-block.h (first_insn_after_basic_block_note): Declare.
8892 * flow.c (first_insn_after_basic_block_note): Define. Moved
8894 * ssa.c (first_insn_after_basic_block_note): Remove.
8895 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8897 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8898 nodes when we find a dead conditional branch. Insert BARRIERs
8899 after any blocks with no successors, but which do not have
8902 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8904 * varray.c (varray_check_failed): Use internal_error.
8906 2001-07-05 Andrew Haley <aph@redhat.com>
8908 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8909 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8910 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8912 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8914 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8915 reference if the target constant is also a SYMBOL_REF.
8917 2001-07-05 Eric Christopher <echristo@redhat.com>
8919 * config/mips/mips.h (MASK_MIPS3900): Remove.
8920 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8921 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8922 (TARGET_MIPS3900): Change to use mips_arch.
8923 (TARGET_MIPS4000): New.
8924 (TARGET_MIPS4100): New.
8925 (TARGET_MIPS4300): New.
8926 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8927 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8929 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8930 (ISA_HAS_BRANCHLIKELY): To here.
8931 (CC1_CPU_SPEC): New.
8932 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8933 (mips_arch_string): Declare.
8934 (mips_arch): Declare.
8935 (TARGET_OPTIONS): Add -march and -mtune.
8937 * config/mips/mips.c (mips_arch_string): New.
8939 (override_options): Handle -march for codegen and -mtune
8940 for scheduling. Use mips_arch. Move tx39 target default here.
8941 (mips_parse_cpu): Move error message to override_options.
8943 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8945 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8947 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8948 (MIPS Options): Ditto. Change mcpu entry to historical text.
8950 2001-07-05 H.J. Lu (hjl@gnu.org)
8952 * config/mips/mips.c (mips_parse_cpu): New function to parse
8955 2001-07-05 Jim Wilson <wilson@redhat.com>
8957 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8958 * config/ia64/t-ia64: Likewise.
8959 (LIB1ASMFUNCS): Update comment.
8961 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8963 * doc/install.texi (Install GCC: Binaries): Fix typo.
8965 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8967 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8968 reference using the stack pointer, adjust it since we push Y
8970 ("*ashrsi3"): Likewise.
8971 ("*lshrsi3"): Likewise.
8973 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8975 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8976 when -fomit-frame-pointer is used.
8978 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8980 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8981 (try_redirect_by_replacing_jump): Reverse updating properly the
8982 count and frequency information. Reverse removing cc0 setter.
8983 (forwarder_block_p): Reverse fixing for fallthru blocks.
8985 2001-07-05 DJ Delorie <dj@redhat.com>
8987 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8988 (translate_options): If the above is defined, use it to map
8989 given options to new options.
8990 * doc/tm.texi: Document it.
8992 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8993 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8995 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8996 cause programs using computed gotos to run more slowly.
8998 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9000 * doc/install.texi (Specific): Markup, spelling and typo fixes.
9002 Consistently require binutils 2.11.2, not prereleases.
9003 (Specific, decstation-*): Canonicalize as mips-dec-*.
9004 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
9006 (Specific, m68k-altos): Removed reference to README.altos, deleted.
9007 (Specific, mips-*): Reword MIPS C compiler requirements.
9008 (Specific, powerpc*-*-*): New, mention --with-cpu once.
9009 (Specific, sunv5): Removed, obsolete.
9011 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
9013 * dwarf2out.c (output_loc_list): Use an all ones mask for
9014 .text asm output and don't rely on long long
9015 literals. Reformat some long lines.
9017 2001-07-05 Andreas Jaeger <aj@suse.de>
9019 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
9022 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9024 * dwarf2out.c (dwarf2out_define): Update comment.
9025 (dwarf2out_undef): Ditto.
9026 (dwarf2out_start_source_file): Ditto.
9027 (dwarf2out_end_source_file): Ditto.
9028 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
9029 since we never call the start/end debug hook for the primary file.
9031 2001-07-04 Kazu Hirata <kazu@hxi.com>
9033 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
9036 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9038 * cppinit.c (remove_dup_dirs): Inform if a system include
9039 directory is being reordered.
9040 * doc/invoke.texi (Directory Options): GCC warns if you hide a
9042 * doc/cpp.texi (Search Paths): Likewise.
9043 * doc/gcc.texi (Interoperation): Remove information about
9046 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9048 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
9049 (VARRAY_TOP_CHAR_PTR): Likewise.
9051 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9053 * gcc.c (process_command): Don't assign elements of a const char*.
9055 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9057 * emit-rtl.c (change_address): Don't abort if invalid address while
9058 reload is in progress.
9060 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9062 * c-lex.c (cb_file_change): Pass line number to
9063 debug_start_source_file.
9064 (cb_undefine): Pass correct line number to debug_undef.
9066 * toplev.c (debug_start_source_file): Add line number to
9067 parameters. Pass it along to dwarf2out_start_source_file.
9068 (decode_g_option): Stop resetting debug level back to normal when
9069 we change debug formats, unless the current level is
9070 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
9073 * toplev.h (debug_start_source_file): Add line number to
9076 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
9079 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
9081 Output debug_macinfo data for starting file if requested.
9082 (dwarf2out_end_source_file): Output debug_macinfo data for ending
9084 (dwarf2out_define): Output debug_macinfo data for defining a macro
9086 (dwarf2out_undef): Output debug_macinfo data for undefining a
9088 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
9089 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
9090 (macinfo_section_label): New. DWARF2 macro info section label.
9091 (dwarf2out_init): If we want macro info, output the start label
9093 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
9094 attribute to the compilation unit die pointing to the macro info.
9096 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9098 * dwarf2out.c (new_loc_list): Move to inside #ifdef
9099 DWARF2_DEBUGGING_INFO.
9100 (add_loc_descr_to_loc_list): Ditto.
9101 (output_loc_list): Ditto.
9102 Also, fix thinko in curr not being initialized.
9103 (gen_internal_sym): Ditto.
9105 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9107 * emit-rtl.c (replace_equiv_address): New function.
9108 * expr.h (replace_equiv_address): New declaration.
9109 * explow.c (validize_mem): Call it instead of change_address and
9110 also call if -fforce-addr and address is constant.
9111 * expr.c: Replace more calls to change_address with adjust_address
9112 and/or replace_equiv_address or to validize_mem.
9113 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
9114 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
9115 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9116 * config/i370/i370.md, config/i860/i860.md: Likewise.
9117 * config/i960/i960.md, config/mips/mips.c: Likewise.
9118 * config/mips/mips.md, config/pa/pa.md: Likewise.
9119 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
9120 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
9122 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9124 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
9126 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
9129 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
9131 * doc/include: New directory.
9132 * doc/fdl.texi: Move to doc/include/fdl.texi.
9133 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
9134 * doc/include/funding.texi, doc/include/gpl.texi: New files.
9135 * doc/gcc.texi: Use funding.texi and gpl.texi.
9136 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
9137 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
9138 Update dependencies and use -I $(docdir)/include.
9140 2001-07-04 Anthony Green <green@redhat.com>
9142 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
9144 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9146 * doc/install.texi (sparc64-*-*): Remove garbage.
9148 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
9150 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
9151 Fix typo in last change to use adjust_address.
9153 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9155 * doc/install.texi (Specific): Update information for *-*-solaris*.
9157 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9159 * explow.c (plus_constant_wide): Reinitialize Y for restart.
9161 2001-07-03 Stan Shebs <shebs@apple.com>
9163 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
9164 case for flag_no_mach_text_sections.
9165 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
9166 * config/darwin.c (flag_no_mach_text_sections): Remove.
9167 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
9169 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9171 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
9172 and avoid checking for constant as first operand.
9173 * recog.c (find_constant_term_loc): No longer static.
9174 (adj_offettable_operand): Delete.
9175 * rtl.h (adj_offsettable_operand): Delete declaration.
9176 (find_constant_term): Add declaration.
9177 * caller-save.c: Replace calls to adj_offsettable_operand with calls
9179 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
9180 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
9181 * config/i386/i386.c, config/i386/i386.md: Likewise.
9182 * config/i860/i860.c, config/i960/i960.c: Likewise.
9183 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
9184 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
9185 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
9186 * config/mips/mips.c, config/mips/mips.md: Likewise.
9187 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
9188 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
9189 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
9190 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
9191 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
9192 * config/ns32k/ns32k.md: Likewise.
9194 2001-07-03 Zack Weinberg <zackw@stanford.edu>
9196 * rtl.c (copy_rtx): Handle 'T' format letter.
9197 * gensupport.c (collect_insn_data): Likewise.
9198 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
9200 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
9202 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
9203 -B option. Use 'dir' not 'foo' as example directory name.
9205 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9207 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9208 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
9210 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9212 * doc/cppinternals.texi: Improve formatting and logical markup.
9214 2001-07-03 Andreas Jaeger <aj@suse.de>
9216 * Makefile.in (insn-recog.o): Add dependency on reload.h.
9218 * genrecog.c (write_header): Include reload.h for prototypes in
9221 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
9224 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
9225 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9226 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
9227 i386_pe_valid_type_attribute_p): Add.
9228 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
9229 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
9231 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9233 * explow.c (plus_constant_wide, case LO_SUM): New case.
9234 (plus_constant_for_output_wide): Delete.
9235 * rtl.h (plus_constant_for_output): Delete.
9236 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
9237 instead of plus_constant_for_output.
9238 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
9239 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
9240 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
9241 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
9242 * config/sparc/sparc.md: Likewise.
9243 Convert some change_address calls to adjust_address.
9245 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9247 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
9248 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
9249 documentation of -std and -Wwrite-strings.
9251 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9253 * cse.c (canon_hash): Don't register registers in very small
9254 register classes, as extending their lifetime might cause
9257 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
9259 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
9261 * flow.c (forwarder_block_p): Fix for fallthru blocks.
9262 (try_redirect_by_replacing_jump): Update properly the count
9263 and frequency information.
9265 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
9267 * toplev.c (dump_file_index): Move SSA dumps just after first
9269 (dump_file): Corresponding changes.
9270 (rest_of_compilation): Move SSA path to just after the first
9272 * doc/gcc.texi (Passes): Update due to movement of SSA path.
9273 * doc/invoke.texi: Update dump file #s as they were completely
9274 out of date with reality.
9276 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9278 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
9280 * expr.c (emit_move_insn_1): Deal with non-default
9283 * expr.c (emit_single_push_insn): Fix warning.
9285 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
9287 * expr.c (emit_move_insn_1): Avoid modifying
9288 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
9290 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9292 * emit-rtl.c (adjust_address): New function.
9293 * expr.h (adjust_address): Add declaration.
9294 * builtins.c: Replace some calls to change_address with calls to it
9296 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
9297 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
9298 * config/arm/arm.c, config/convex/convex.c: Likewise.
9299 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9300 * config/i386/i386.c, config/i386/i386.md: Likewise.
9301 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
9302 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
9303 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
9304 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
9305 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
9307 2001-07-02 Jim Wilson <wilson@redhat.com>
9309 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
9311 2001-07-02 Steve Ellcey <sje@cup.hp.com>
9313 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
9314 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
9316 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9318 * cppinit.c (lang_defaults): New table.
9319 (set_lang): Just read from lang_defaults into the live options
9322 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9324 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
9325 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
9326 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
9328 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9330 * doc/install.texi: Various spelling and markup fixes.
9331 (Installing GCC): Component specific installation instructions are
9334 Warn about removing old install dir in the presence of shared libs.
9335 (Configuration): Invoke with options target to match configure
9337 Consistently refer to gas, gld pathnames.
9338 Invert --enable-multilib documentation.
9339 Remove references to old compiler versions.
9341 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9343 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
9345 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9347 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
9349 (Specific, mips*-sgi-irix5): Note IDO download.
9350 Reworded MIPS C hints.
9351 Use GNU as instead of GAS.
9353 Removed SGI Freeware reference, IRIX 6 only.
9354 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
9355 Note N64 library requirement/workaround.
9357 Complete list of structure passing bug victims.
9359 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9361 * doc/install.texi: Remove CVS Id.
9363 2001-07-02 Andreas Jaeger <aj@suse.de>
9365 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
9366 (find_inherently_necessary): Remove unused variable.
9368 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
9370 * c-common.h (TDI_inlined): New ast dump phase.
9371 (dump_flag_name): New function.
9372 * c-dump.c (dump_files): Add inlined phase.
9373 (dump_flag_name): Define.
9374 * doc/invoke.texi (-fdump-ast-inlined): Document.
9376 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9378 * stor-layout.c (layout_decl): Revert change to handling of alignment
9381 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9383 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
9386 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
9388 * doc/tm.texi (FUNCTION_ARG): Document that the last call
9391 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
9393 * tlink.c (recompile_files): Remove COMPILER_PATH and
9394 LIBRARY_PATH from the environment.
9396 2001-07-01 Zack Weinberg <zackw@stanford.edu>
9398 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
9399 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
9401 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
9403 * c-parse.in (OBJC_STRING): Kill.
9404 (objc_string): Decompose to [objc_string] '@' STRING.
9405 (reswords): Take the leading '@' off all the Objective C keywords.
9406 (objc_rid_sans_at): Kill.
9407 (init_reswords): Don't initialize it.
9408 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
9409 (_yylex): Kill reconsider label. Look ahead one token after
9410 an '@'; if we get an identifier, check whether it's an
9411 Objective C @-keyword. If so, return the keyword. Otherwise,
9412 put back the token and return the '@' as a terminal.
9414 * cpplib.c (lex_macro_node): Remove unnecessary check for
9415 leading '@' on identifier. Clarify control flow and commentary.
9417 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9419 * cse.c (new_label_ref): Variable deleted.
9420 (insert): Remove set of new_label_ref.
9421 (check_for_label_ref): New function.
9422 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
9424 See ChangeLog.5 for earlier changes.