1 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3 * config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints.
4 ("tsthi_1"): Avoid allocation in register y.
5 ("*movqi_68hc12"): Reorganize and fix constraints.
6 ("zero_extendqisi2"): Prefer d over x and y for operand 1.
8 ("addhi3"): Fix constraints.
9 ("*logicalhi3_zexthi"): Disparage soft registers.
11 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
13 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp
16 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
18 * config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so
19 that we use setjmp/longjmp exceptions.
21 2001-09-30 Neil Booth <neil@daikokuya.demon.co.uk>
23 * cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
24 POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
25 struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
26 _cpp_pool_alloc, _cpp_next_chunk): Remove.
27 (_cpp_extend_buff, BUFF_ROOM): Update.
28 (_cpp_append_extend_buff): New.
29 (struct cpp_reader): Remove macro_pool, add a_buff.
30 * cppinit.c (cpp_create_reader): Initialize a_buff, instead of
32 (cpp_destroy): Free a_buff instead of macro_pool.
33 * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
34 new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
35 _cpp_pool_alloc, ): Remove.
36 (parse_number, parse_string): Update use of _cpp_extend_buff.
37 (_cpp_extend_buff): Update.
38 (_cpp_append_extend_buff, cpp_aligned_alloc): New.
39 * cpplib.c (glue_header_name, parse_answer):
40 Update use of _cpp_extend_buff.
41 (cpp_register_pragma, cpp_register_pragma_space): Use
43 (do_assert, do_unassert): Check for EOL, update.
44 * cppmacro.c (stringify_arg, collect_args): Update to use
45 _cpp_extend_buff and _cpp_append_extend_buff.
46 (save_parameter, parse_params, alloc_expansion_token,
47 _cpp_create_definition): Rework memory management.
49 2001-09-29 Andris Pavenis <pavenis@lanet.lv>
51 * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
52 update md_exec_prefix.
53 (UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
56 2001-09-30 Ulrich Weigand <uweigand@de.ibm.com>
58 * config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.
59 (SELECT_CC_MODE): Use s390_select_ccmode.
60 * config/s390/s390-protos.h (s390_select_ccmode): Add.
61 * config/s390/s390.c (s390_select_ccmode): New.
62 (s390_match_ccmode): Add CCLmode.
63 (s390_branch_condition_mask, s390_branch_condition_mnemonic): New.
64 (output_branch_condition, output_inverse_branch_condition): Removed.
65 (print_operand): Use s390_branch_condition_mnemonic.
66 * config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2,
67 subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode.
68 (bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New.
70 * config/s390/s390.c (check_and_change_labels): Preserve CC mode
71 when converting conditional branches to far branches.
72 * config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si,
73 cmpint_di): Use CCSmode instead of CCUmode.
75 * config/s390/s390.c (legitimate_la_operand_p): New.
76 * config/s390/s390-protos.h (legitimate_la_operand_p): Add.
77 * config/s390/s390.md (movsi): Convert load address patterns to
78 arithmetic operations when necessary.
79 (addaddr_picR, addaddr_picL, addaddr_picN): Removed.
80 (do_la): Renamed to *do_la and use legitimate_la_operand_p.
81 (*do_la_reg_0): Don't use before reload.
83 * config/s390/s390.c (legitimize_address): Make more efficient
84 use of two-register addressing mode.
86 * config/s390/s390.c (s390_function_prologue): Fix incorrect prolog
87 with -mno-backchain in some corner cases.
89 * config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute.
91 2001-09-29 Alexandre Oliva <aoliva@redhat.com>
93 * reload.c (find_reloads): Mark new USE insns with QImode.
94 (find_reloads_toplev, find_reloads_address, subst_reg_equivs,
95 find_reloads_subreg_address): Likewise.
96 * regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
98 * reload1.c (reload_combine_note_use): Likewise, inside USEs and
100 (reload): Make sure there are no USEs with mode other than
101 VOIDmode. At the end, remove those marked with QImode.
103 2001-09-29 Per Bothner <per@bothner.com>
105 * cppdefault.c (cpp_include_defaults): Also search PREFIX_INCLUDE_DIR.
106 * Makefile.in (includedir): Rename to local_includedir.
107 (includedir): Define as $(prefix)/include.
108 * config.in (PREFIX_INCLUDE_DIR): New variable.
109 * configure.in (PREFIX_INCLUDE_DIR): Test for new variable.
111 2001-09-29 Bernd Schmidt <bernds@redhat.com>
113 * config/i386/i386.c (init_mmx_sse_builtins): Fix type of storelps and
115 * doc/extend.texi (Vector Extensions): New node.
116 * doc/invoke.texi (Machine Dependent Options): Add documentation for
117 i386 -mmmx, -msse, -m3dnow.
119 Sat Sep 29 15:08:16 CEST 2001 Jan Hubicka <jh@suse.cz>
121 * doc/invoke.texi (Optimize Options): Revert an accidental checkin.
123 2001-09-29 Hans-Peter Nilsson <hp@axis.com>
125 * cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn.
127 * doc/invoke.texi (Optimize Options): Delete spurious @table.
129 2001-09-28 Richard Henderson <rth@redhat.com>
131 * varasm.c (assemble_integer): Bound alignment check by
134 * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
136 2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
138 * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
140 2001-09-25 Bernd Schmidt <bernds@redhat.com>
142 Mostly from Graham Stott <grahams@redhat.com>
143 * c-common.c (type_for_mode): Add support for V2SFmode.
144 * tree.c (build_common_tree_nodes_2): Likewise.
145 * tree.h (enum tree_index, global_trees): Likewise.
146 * config/i386/i386.c (x86_3dnow_a): New variable.
147 (override_options): Support 3Dnow extensions.
148 (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
149 Athlon's version of 3Dnow.
150 (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
151 (ix86_expand_builtin): Handle them.
152 (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
153 * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
154 TARGET_3DNOW_A): New macros.
155 (TARGET_SWITCHES): Add 3Dnow switches.
156 (VALID_MMX_REG_MODE_3DNOW): New macro.
157 (VECTOR_MODE_SUPPORTED_P): Use it.
158 (enum ix86_builtins): Add entries for 3Dnow builtins.
159 * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
160 pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
161 pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
162 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
163 pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
164 pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
165 (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
166 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
167 mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
168 sfence_insn, prefetch): Make these available if TARGET_SSE or
171 Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz>
173 * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
174 ix86_va_start, ix86_build_va_list): Declare.
175 * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
176 ix86_va_start, ix86_build_va_list): New global functions.
177 * i386.md (sse_prologue_save_insn): New insn.
178 (sse_prologue_save): New expander.
179 * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
180 BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
182 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
184 * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
185 Use size_t everywhere, make definitions consistent with
188 Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz>
190 * gcse.c (replace_store_insn): Use delete_insn.
191 * loop.c (move_movables): Likewise; avoid delete_insn
192 from clobbering notes moved elsewhere.
193 (check_dbra_loop): Use delete_insn.
194 * ssa.c (convert_from_ssa): Likewise.
195 * cse.c (cse_insn): Use delete_insn.
197 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
199 * cpphash.h (struct cpp_buff): Make unsigned.
200 (_cpp_get_buff): Take length of size_t.
201 (_cpp_unaligned_alloc): New.
202 (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
203 (struct cpp_reader): Remove ident_pool. Add u_buff.
204 * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
205 (cpp_destroy): Destroy u_buff, not ident_pool.
206 * cpplex.c (parse_number, parse_string, save_comment,
207 cpp_token_as_text): Update to use the unaligned buffer.
208 (new_buff): Make unsigned.
209 (_cpp_unaligned_alloc): New.
210 * cpplib.c (glue_header_name): Update to use the unaligned buffer.
211 * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
213 (collect_args): Make unsigned.
215 2001-09-27 Zack Weinberg <zack@codesourcery.com>
217 * cpplex.c (cpp_output_token): Use a putc loop for
218 SPELL_OPERATOR, and fwrite for SPELL_IDENT.
220 * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
221 * configure, config.in: Regenerate.
222 * system.h: Replace fwrite and fprintf with their unlocked
223 variants if available.
225 2001-09-27 Richard Henderson <rth@redhat.com>
227 * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
228 in favour of .eh_frame.
230 2001-09-27 Aldy Hernandez <aldyh@redhat.com>
232 * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
234 (LIBCALL_VALUE): Likewise.
236 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
238 * cpphash.h: Update comment.
239 * cpplex.c: Update comments.
240 (_cpp_can_paste): Remove.
241 * cpplib.h (_cpp_can_paste): Remove.
242 * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
243 lexer rather than _cpp_can_paste.
245 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
247 * doc/cppinternals.texi: Update.
249 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
251 * cpphash.h (struct cpp_pool): Remove locks and locked.
252 (struct cpp_context): Add member buff.
253 (struct cpp_reader): Remove member argument_pool.
254 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
255 * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
256 * cpplex.c (chunk_suitable): Remove pool argument.
257 (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
258 (new_buff, _cpp_extend_buff): Update.
259 (_cpp_get_buff): Fix silly pointer bug. Be more selective about
260 which buffer is returned.
261 (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
262 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
263 * cppmacro.c (lock_pools, unlock_pools): Remove.
264 (push_ptoken_context): Take a _cpp_buff.
265 (enter_macro_context): Pool locking removed.
266 (replace_args): Use a _cpp_buff for the replacement list with
268 (push_token_context): Clear buff.
269 (expand_arg): Use _cpp_pop_context.
270 (_cpp_pop_context): Free a context's buffer, if any.
272 2001-09-26 DJ Delorie <dj@redhat.com>
274 * c-typeck.c (digest_init): Check for sizeless arrays.
276 2001-09-26 Richard Henderson <rth@redhat.com>
278 * optabs.c (init_one_libfunc): Create a dummy function type
279 instead of using error_mark_node.
281 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
283 * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
284 _cpp_extend_buff, _cpp_free_buff): New.
285 (struct cpp_reader): New member free_buffs.
286 * cppinit.c (cpp_destroy): Free buffers.
287 * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
288 _cpp_extend_buff, _cpp_free_buff): New.
289 * cpplib.h (struct cpp_options): Remove unused member.
290 * cppmacro.c (collect_args): New. Combines the old parse_arg
291 and parse_args. Use _cpp_buff for memory allocation.
292 (funlike_invocation_p, replace_args): Update.
294 Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
296 * final.c (final_scan_insn): Use delete_insn instead of delete_note.
298 2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
300 * except.c (sjlj_mark_call_sites): Change address inside sequence.
302 2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
304 * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
307 2001-09-25 Janis Johnson <janis187@us.ibm.com>
308 Jim Wilson <wilson@redhat.com>
310 * doc/install.texi (Specific, ia64-*-linux): Document.
312 Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
314 * Makefile.in (cfgrtl.o): Add.
315 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
316 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
317 free_aux_for_edge): Declare.
319 (HAVE_return): Undefine.
320 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
321 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
322 free_aux_for_edge): New global functions.
323 (first_delete_block): New static variable.
324 (init_flow): Clear first_delete_block.
325 (basic_block_for_insn, label_value_list, tail_recursion_label_list,
326 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
327 try_redirect_by_replacing_jump, last_loop_beg_note,
328 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
329 delete_insn, delete_insn_chain, create_basic_block_structure,
330 create_basic_block, flow_delete_block, compute_bb_for_insn,
331 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
332 set_block_for_new_insns, split_block, merge_blocks_nomove,
333 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
334 redirect_edge_and_branch, force_nonfallthru_and_redirect,
335 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
336 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
337 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
338 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
339 purge_all_dead_edges): Move to ....
340 * cfgrtl.c: New file; .... Here.
342 * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
343 (reroder_basic_block): Use alloc_aux_for_blocks.
344 * predict.c (estimate_bb_frequencies): Likewise; use
346 * profile.c (compute_branch_probabilities): Likewise.
347 (branch_prob): Likewise.
348 * reg-stack.c (reg_to_stack): Likewise.
350 * emit-rtl.c (emit_insns_after): Never return NULL.
352 * basic-block.h (set_block_for_new_insns): Delete.
353 * cfgrtl.c (set_block_for_new_insns): Delete.
355 * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
356 calls when crossjumping.
358 * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
359 * unroll.c (copy_loop_body): Use delete_insn.
361 * final.c (final, final_scan_insn): Use delete_insn/delete_note.
362 * function.c (fixup_var_refs_insn, fixup_var_refs_1,
363 keep_stack_depressed): Likewise.
364 * gcse.c (cprop_cc0_jump): Likewise.
365 * local-alloc.c (update_equiv_regs): Likewise.
366 * loop.c (scan_loop, loop_delete_insns): Likewise.
367 * regmove.c (try_auto_increment, fixup_match_1): Likewise.
368 * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
369 delete_output_reload, delete_address_reloads_1,
370 reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
372 * sibcall.c (replace_call_placeholder): Likewise.
373 * cse.c (cse_insn): Likewise.
375 2001-09-25 Bernd Schmidt <bernds@redhat.com>
377 From Graham Stott <grahams@redhat.com>
378 (def_builtin): Only define builtins appropriate for target_flags. All
380 (builtin_decsription): Add new field mask which is used to determine
381 when to define the builtin via the macro def_builtin.
383 (bdesc_comi): Initialise new mask fields.
384 (bdesc_2srg): Likewise.
385 (bdesc_1arg): Likewise.
387 * config/i386/i386.c (ix86_init_builtins): Correct return type
388 building v4hi_ftype_v4hi_int_int tree node.
389 (ix86_expand_sse_comi): Fix typo swapping operands.
390 Don't swap comparision condition, it is already swapped.
391 (ix86_expand_sse_compare): Before swapping operands
392 move operand 1 into new rtx and not the target rtx.
393 Don't swap comparison condition, it is already swapped.
394 Always check whether we need to create a new TARGET.
396 * config/i386/i386.md: (sse_comi) Fix typos.
397 (sse_ucomi): Likewise.
398 (cvtss2si): Fix operand 0 contraint.
399 (cvttss2si): Likewise.
400 (sse_unpckhps): Fix mode for operand 2.
401 (sse_unpcklps): Likewise.
403 2001-09-25 Graham Stott <grahams@redhat.com>
405 * sibcall.c (skip_copy_to_return_value): Tighten return value
408 2001-09-24 David Edelsohn <edelsohn@gnu.org>
410 * rs6000.c (lwa_operand): Address must be word aligned.
412 Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
414 * tree.c (type_hash_marked_p): Consider as marked if debug symbol
416 (type_hash_mark): Mark type itself.
418 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
420 * c-lex.c (cb_def_pragma): Update.
421 (c_lex): Update, and skip padding.
422 * cppexp.c (lex, parse_defined): Update, remove unused variable.
423 * cpphash.h (struct toklist): Delete.
425 (struct cpp_context): Update.
426 (struct cpp_reader): New members eof, avoid_paste.
427 (_cpp_temp_token): New.
428 * cppinit.c (cpp_create_reader): Update.
429 * cpplex.c (_cpp_temp_token): New.
430 (_cpp_lex_direct): Add PREV_WHITE when parsing args.
431 (cpp_output_token): Don't print leading whitespace.
432 (cpp_output_line): Update.
433 * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
434 do_include_common, do_line, do_ident, do_pragma,
435 do_pragma_dependency, _cpp_do__Pragma, parse_answer,
436 parse_assertion): Update.
437 (get_token_no_padding): New.
438 * cpplib.h (CPP_PADDING): New.
439 (AVOID_LPASTE): Delete.
440 (struct cpp_token): New union member source.
441 (cpp_get_token): Update.
442 * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
443 (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
444 replace_args, quote_string, stringify_arg, parse_arg, next_context,
445 enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
446 _cpp_backup_tokens, _cpp_create_definition): Update.
447 (push_arg_context): Delete.
448 (padding_token, push_token_context, push_ptoken_context): New.
449 (make_string_token, make_number_token): Update, rename.
450 (cpp_get_token): Update to handle tokens as pointers to const,
451 and insert padding appropriately.
452 * cppmain.c (struct printer): New member prev.
453 (check_multiline_token): Constify.
454 (do_preprocessing, cb_line_change): Update.
455 (scan_translation_unit): Update to handle spacing.
456 * scan-decls.c (get_a_token): New.
457 (skip_to_closing_brace, scan_decls): Update.
458 * fix-header.c (read_scan_file): Update.
460 * doc/cpp.texi: Update.
462 2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
464 * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
465 leak by passing malloc'ed pointer to reconcat, not concat.
467 2001-09-24 DJ Delorie <dj@redhat.com>
469 * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
471 2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
473 * flow.c (delete_dead_jumptables): Delete jumptable if the only
474 reference is from the literal pool.
476 2001-09-24 Janis Johnson <janis187@us.ibm.com>
478 * doc/install.texi (Final install): Request additional information
479 in mail about successful builds.
481 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
483 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
484 initial value of return pointer register instead of value in frame-20.
487 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
489 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
490 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
491 the libcall if there isn't a referenced identifier for the symbol.
493 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
495 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
496 non 64-bit machines. Use these as a plabel for the trampoline.
497 (TRAMPOLINE_SIZE): Adjust size for new words.
498 (INITIALIZE_TRAMPOLINE): Initialize new words.
499 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
500 pointer to the plabel in the trampoline.
502 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
504 * pa.c (function_arg): Pass floating arguments in both general and
505 floating registers in indirect (dynamic) calls when generating code
506 for the 32 bit ABI and the HP assembler.
508 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
510 * doc/install.texi: Markup fixes.
511 Use Solaris 2, SunOS 4 as appropriate.
512 (Specific, *-*-solaris2*): Explain this.
513 Unconditionally warn against /usr/ucb tools.
514 Remove Sun as warning, obsolete.
515 Move X11 header bug workaround here, update patches.
516 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
517 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
519 2001-09-23 Zack Weinberg <zack@codesourcery.com>
521 * errors.h (warning, error, fatal, internal_error): Don't mark
522 with ATTRIBUTE_PRINTF_n.
523 * toplev.h (internal_error, fatal_io_error, warning, error,
524 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
525 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
528 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
530 * function.c (pop_function_context_from): var_refs_queue
531 and temp slots now in GC memory.
532 (mark_function_status, free_after_compilation): Likewise;
533 also struct function now in GC memory.
534 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
535 (combine_temp_slots): Likewise.
536 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
537 (prepare_function_start): Use GC memory for struct function.
538 (mark_temp_slot): Deleted.
539 (gcc_mark_struct_function): struct function now in GC memory.
541 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
542 code for division, not modulus.
544 * rtl.def (MEM): Remove obsolete part of comment.
546 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
548 * c-format.c (init_function_format_info): Check __builtin_printf
549 and __builtin_fprintf even if -ffreestanding. Check C99 functions
552 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
554 * c-common.c (format_attribute_table): Remove decl.
555 * tree.h (format_attribute_table, lang_attribute_table): New decls.
556 (lang_attribute_common): Likewise.
558 * function.c (fix_lexical_address): Use set_mem_alias_set.
559 (expand_function_start): Likewise.
560 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
562 * varasm.c (output_constant): Fix unused variable warning.
564 * attribs.c: New file, from c-common.c.
565 (attribute_tables): Now four elements.
566 (format_attribute_table, lang_attribute_common): New variables.
567 (init_attributes): Reflect above changes.
568 (handle_mode_attribute): Delete check for wider than uintmax.
569 * c-common.c: Delete parts moved to attribs.c.
570 (enum attrs): Deleted; unused.
571 (c_format_attribute_table): New variable.
572 (c_common_lang_init): Initialize format_attribute_table with it.
573 * c-common.h (decl_attributes): Remove decl.
574 * tree.h (decl_attribute): Move it to here.
575 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
576 (attribs.o): New rule.
578 2001-09-22 Andreas Jaeger <aj@suse.de>
580 * builtins.c (c_getstr): Remove unused variable.
582 2001-09-21 Richard Henderson <rth@redhat.com>
584 * reload1.c (reload): Use delete_insn instead of splatting
587 2001-09-21 Richard Henderson <rth@redhat.com>
589 * reload.c (push_secondary_reload): Don't check for "=" in output
590 constraint after ""->ALL_REGS check.
592 2001-09-21 Richard Henderson <rth@redhat.com>
594 * predict.c (expected_value_to_br_prob): Use pc_set.
596 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
597 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
599 2001-09-21 Richard Henderson <rth@redhat.com>
601 * rtl.h (LCT_RETURNS_TWICE): New.
602 * calls.c (emit_call_1): Set current_function_calls_setjmp for
604 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
605 to ECF_RETURNS_TWICE.
606 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
609 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
611 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
614 2001-09-21 Richard Henderson <rth@redhat.com>
616 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
619 2001-09-21 Richard Henderson <rth@redhat.com>
621 * tree.def (FDESC_EXPR): New.
622 * expr.c (expand_expr): Handle it.
623 * varasm.c (initializer_constant_valid_p): Likewise.
624 (output_constant): Likewise.
625 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
626 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
627 (ASM_OUTPUT_FDESC): New.
628 * doc/tm.texi: Document the new macros.
630 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
632 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
633 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
634 once merging is complete.
636 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
638 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
640 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
642 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
643 that would be invalid after a merge.
645 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
647 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
648 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
650 (flow_delete_insn): This one.
651 (delete_insn_chain): Rename from ...; do not care labels.
652 (flow_delete_insn_chain): ... this one.
653 (flow_delete_block): Remove the insns one BB has been expunged.
654 (merge_blocks_nomove): Likewise.
655 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
656 updating BB boundaries.
657 (tidy_fallthru_edge): Likewise.
658 (commit_one_edge_insertion): Likewise.
659 * cfgbuild.c (find_basic_block): Likewise.
660 (find_basic_blocks_1): Likewise.
661 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
662 (try_crossjump_to_edge): Likewise.
663 (try_optimize_cfg): Likewise.
664 * cse.c (delete_trivially_dead_insns): Likewise.
665 * df.c (df_insn_delete): Likewise.
666 * doloop.c (doloop_modify): Use delete_related_insns.
667 * emit-rtl.c (try_split): Likewise.
668 (remove_insn): Update BB boundaries.
669 * expect.c (connect_post_landing_pads): Use delete_related_insns.
670 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
671 updating BB boundaries.
672 (propagate_block_delete_insn): Likewise.
673 (propagate_block_delete_libcall): Likewise.
674 * function.c (delete_handlers): Use delete_related_insns.
675 (thread_prologue_and_epilogue_insns): Likewise.
676 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
677 * genpeep.c (gen_peephole): Use delete_related_insns.
678 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
680 (find_cond_trap): Likewise.
681 * integrate.c (save_for_inline): Use delete_related_insns.
682 (copy_insn_list): Likewise.
683 * jump.c (pruge_linie_number_notes): Likewise.
684 (duplicate_loop_exit_test): Likewise.
685 (delete_computation): Likewise.
686 (delete_related_insn): Rename from ...; use delete_insn
687 (delete_insn): ... this one.
688 (redirect_jump): Use delete_related_insns.
689 * loop.c (scan_loop): Likewise.
690 (move_movables): Likewise.
691 (find_and_verify_loops): Likewise.
692 (check_dbra_loop): Likewise.
693 * recog.c (peephole2_optimize): Likewise.
694 * reg-stack.c (delete_insn_for_stacker): Remove.
695 (move_for_stack_reg): Use delete_insn.
696 * regmove.c (combine_stack_adjustments_for_block): Likewise.
697 * reload1.c (delete_address_reloads): Use delete_related_insns.
698 (fixup_abnormal_edges): Use delete_insn.
699 * recog.c (emit_delay_sequence): Use delete_related_insns.
700 (delete_from-delay_slot): Likewise.
701 (delete_scheduled_jump): likewise.
702 (optimize_skip): Likewise.
703 (try_merge_delay_insns): Likewise.
704 (full_simple_delay_slots): Likewise.
705 (fill_slots_from_thread): Likewise.
706 (relax_delay_slots): Likewise.
707 (make_return_insns): Likewise.
708 (dbr_schedule): Likewise.
709 * rtl.h (delete_insn): Rename to delete_related_insns.
710 (delete_insn, delete_insn_chain): New prototypes.
711 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
712 by df_insn_delete already.
713 * ssa-dce.c (delete_insn_bb): Use delete_insn.
714 * ssa.c (convert_from_ssa): Use delete_related_insns.
715 * unroll.c (unroll_loop): Likewise.
716 (calculate_giv_inc): Likewise.
717 (copy_loop_body): Likewise.
719 * i386-protos.h (ix86_libcall_value, ix86_function_value,
720 ix86_function_arg_regno_p, ix86_function_arg_boundary,
721 ix86_return_in_memory, ix86_function_value): Declare.
722 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
723 new static valurables.
724 (x86_64_reg_class): New enum
725 (x86_64_reg_class_name): New array.
726 (classify_argument, examine_argument, construct_container,
727 merge_classes): New static functions.
728 (optimization_options): Enable flag_omit_frame_pointer and disable
729 flag_pcc_struct_return on 64bit.
730 (ix86_libcall_value, ix86_function_value,
731 ix86_function_arg_regno_p, ix86_function_arg_boundary,
732 ix86_return_in_memory, ix86_function_value): New global functions.
733 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
734 (function_arg_advance): Handle x86_64 passing conventions.
735 (function_arg): Likewise.
736 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
737 (RETURN_IN_MEMORY): Move offline.
738 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
739 (FUNCTION_VALUE_REGNO_P): New macro.
740 (FUNCTION_ARG_REGNO_P): Move offline.
741 (struct ix86_args): Add maybe_vaarg.
742 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
743 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
745 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
747 * s390.md: Changed attributes for scheduling.
748 * s390.c: (s390_adjust_cost, s390_adjust_priority)
751 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
753 Table-driven attributes.
754 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
755 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
756 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
757 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
758 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
759 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
760 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
761 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
762 * tree.h (struct tree_decl): Change machine_attributes to
764 * doc/c-tree.texi: Document that all attributes are now attached
766 * c-common.c (add_attribute, attrtab, attrtab_idx,
767 default_valid_lang_attribute, valid_lang_attribute): Remove.
768 (attribute_tables, attributes_initialized,
769 c_common_attribute_table, default_lang_attribute_table): New
771 (handle_packed_attribute, handle_nocommon_attribute,
772 handle_common_attribute, handle_noreturn_attribute,
773 handle_unused_attribute, handle_const_attribute,
774 handle_transparent_union_attribute, handle_constructor_attribute,
775 handle_destructor_attribute, handle_mode_attribute,
776 handle_section_attribute, handle_aligned_attribute,
777 handle_weak_attribute, handle_alias_attribute,
778 handle_no_instrument_function_attribute,
779 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
780 handle_no_limit_stack_attribute, handle_pure_attribute): New
782 (init_attributes, decl_attributes): Rewrite to implement
783 table-driven attributes.
784 * c-common.h (enum attribute_flags): Move to tree.h.
785 * c-format.c (decl_handle_format_attribute,
786 decl_handle_format_arg_attribute): Rename to
787 handle_format_attribute and handle_format_arg_attribute. Update
788 for table-driven attributes.
789 * c-common.h (decl_handle_format_attribute,
790 decl_handle_format_arg_attribute): Remove prototypes.
791 (handle_format_attribute, handle_format_arg_attribute): Add
793 * c-decl.c (grokdeclarator): Handle attributes nested inside
795 * c-parse.in (setattrs, maybe_setattrs): Remove.
796 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
797 Update to handle nested attributes properly.
798 (maybe_resetattrs, after_type_declarator,
799 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
800 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
802 (make_pointer_declarator): Update to handle nested attributes
804 * doc/extend.texi: Update documentation of limits of attributes
805 syntax. Warn about problems with attribute semantics in C++.
806 * target.h (struct target): Remove valid_decl_attribute and
807 valid_type_attribute. Add attribute_table and
808 function_attribute_inlinable_p.
809 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
810 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
811 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
813 (TARGET_INITIALIZER): Update.
814 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
816 (function_attribute_inlinable_p): New function. Check for the
817 presence of any machine attributes before using
818 targetm.function_attribute_inlinable_p.
819 (function_cannot_inline_p): Update.
820 * Makefile.in (integrate.o): Update dependencies.
821 * doc/tm.texi: Update documentation of target attributes and
822 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
823 * tree.c (default_valid_attribute_p, valid_machine_attribute):
825 (default_target_attribute_table,
826 default_function_attribute_inlinable_p): New.
827 (lookup_attribute): Update comment to clarify handling of multiple
828 attributes with the same name.
829 (merge_attributes, attribute_list_contained): Allow multiple
830 attributes with the same name but different arguments to appear in
831 the same attribute list.
832 * tree.h (default_valid_attribute_p): Remove prototype.
833 (struct attribute_spec): New.
834 (default_target_attribute_table): Declare.
835 (enum attribute_flags): Move from c-common.h. Add
836 ATTR_FLAG_TYPE_IN_PLACE.
837 (default_function_attribute_inlinable_p): Declare.
838 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
839 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
840 (TARGET_ATTRIBUTE_TABLE): Define.
841 (vms_attribute_table): New.
842 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
843 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
844 (TARGET_ATTRIBUTE_TABLE): Define.
845 (arc_attribute_table, arc_handle_interrupt_attribute): New.
846 * config/arm/arm.c (arm_valid_type_attribute_p,
847 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
849 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
851 (TARGET_ATTRIBUTE_TABLE): Define.
852 (arm_attribute_table, arm_handle_fndecl_attribute,
853 arm_handle_isr_attribute): New.
854 * config/avr/avr.c (avr_valid_type_attribute,
855 avr_valid_decl_attribute): Remove.
856 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
858 (TARGET_ATTRIBUTE_TABLE): Define.
859 (avr_attribute_table, avr_handle_progmem_attribute,
860 avr_handle_fndecl_attribute): New.
861 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
862 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
863 (TARGET_ATTRIBUTE_TABLE): Define.
864 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
865 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
866 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
867 (TARGET_ATTRIBUTE_TABLE): Define.
868 (h8300_attribute_table, h8300_handle_fndecl_attribute,
869 h8300_handle_eightbit_data_attribute,
870 h8300_handle_tiny_data_attribute): New.
871 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
872 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
874 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
876 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
877 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
879 (TARGET_ATTRIBUTE_TABLE): Define.
880 (ix86_attribute_table, ix86_handle_cdecl_attribute,
881 ix86_handle_regparm_attribute): New.
882 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
883 i386_pe_valid_type_attribute_p): Remove.
884 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
885 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
886 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
887 (TARGET_ATTRIBUTE_TABLE): Define.
888 (ia64_attribute_table): New.
889 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
890 interrupt_ident2, model_ident1, model_ident2): Remove.
891 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
892 (TARGET_ATTRIBUTE_TABLE): Define.
893 (init_idents): Update.
894 (m32r_attribute_table, m32r_handle_model_attribute): New.
895 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
897 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
898 (TARGET_ATTRIBUTE_TABLE): Define.
899 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
900 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
901 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
902 (TARGET_ATTRIBUTE_TABLE): Define.
903 (mcore_attribute_table, mcore_handle_naked_attribute): New.
904 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
905 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
906 (TARGET_ATTRIBUTE_TABLE): Define.
907 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
908 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
909 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
910 (TARGET_ATTRIBUTE_TABLE): Define.
911 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
912 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
913 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
914 (TARGET_ATTRIBUTE_TABLE): Define.
915 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
916 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
918 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
920 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
921 (TARGET_ATTRIBUTE_TABLE): Define.
922 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
924 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
925 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
926 (TARGET_ATTRIBUTE_TABLE): Define.
927 (v850_attribute_table, v850_handle_interrupt_attribute,
928 v850_handle_data_area_attribute): New.
929 * config/v850/v850-c.c (mark_current_function_as_interrupt):
930 Return void. Call decl_attributes instead of
931 valid_machine_attribute.
933 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
935 * sh-protos.h (sh_pr_n_sets): Declare.
936 * sh.c (calc_live_regs): If the initial value for PR has been copied,
937 look at the copy to determine if PR needs to be saved.
938 sh_pr_n_sets: New function.
939 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
940 (ALLOCATE_INITIAL_VALUE): Define.
942 * sh.c (initial_elimination_offset):
943 Fix RETURN_ADDRESS_POINTER_REGNUM case.
945 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
947 * integrate.c (allocate_initial_values): New function.
948 * integrate.h (allocate_initial_values): Declare.
949 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
951 * reload1.c (reload): And initialization of reg_equiv_memory_loc
953 * toplev.c (rest_of_compilation): To here.
954 Call allocate_initial_values.
955 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
957 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
959 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
961 2001-09-20 DJ Delorie <dj@redhat.com>
963 * c-typeck.c (really_start_incremental_init): Discriminate
964 between zero-length arrays and flexible arrays.
965 (push_init_level): Detect zero-length arrays and handle them
966 like fixed-sized arrays.
967 * expr.c (store_constructor): Handle zero-length arrays and
968 flexible arrays correctly.
969 * doc/extend.texi: Update zero-length array notes.
971 2001-09-20 Jim Wilson <wilson@redhat.com>
973 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
974 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
975 for issue port conflicts.
976 (cycle_end_fill_slots): TYPE_L instructions take two slots.
978 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
980 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
983 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
985 * fold-const.c (hashtab.h): Include.
986 (int_const_binop): Remove FORSIZE arg and compute from type; all
988 Call size_int_type_wide for all single-word constants.
989 (size_htab_hash, size_htab_eq): New functions.
990 (size_int_type_wide): Rework to use hash table.
991 * ggc-common.c (hashtab.h): Include.
992 (struct d_htab_root): New struct.
993 (d_htab_roots): New variable.
994 (ggc_add_deletable_htab, ggc_htab_delete): New functions
995 (ggc_mark_roots): Handle deletable htabs.
996 * ggc-page.c (ggc_marked_p): New function.
997 * ggc-simple.c (ggc_marked_p): Likewise.
998 * ggc.h: Reformatting throughout.
999 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
1000 * tree.c (init_obstacks): Make type_hash_table a deletable root.
1001 (type_hash_add): Allocate struct type_hash from GC memory.
1002 (mark_hash_entry, mark_type_hash): Deleted.
1003 (type_hash_marked_p, type_hash_mark): New functions.
1004 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
1006 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
1008 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
1011 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1013 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
1014 array-too-large test for signed sizetype.
1016 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1018 * i386.md (indirect_jump): Allow Pmode operand.
1019 (tablejump): LIkewise; perform expansion to 64bit mode.
1020 * i386.c (symbolic_operand): Allow 64bit PIC references.
1021 (pic_symbolic_operand): Likewise.
1022 (ix86_find_base_term): Strip the 64bit PIC references.
1023 (legitimate_pic_address_disp_p): Handle 64bit PIC.
1024 (legitimize_pic_address): Likewise.
1025 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
1026 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
1028 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
1030 * stringpool.c (get_identifier_with_length): New function.
1031 * tree.h (get_identifier_with_length): New prototype.
1033 2001-09-19 Alan Modra <amodra@bigpond.net.au>
1034 David Edelsohn <edelsohn@gnu.org>
1037 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1038 already sign-extended.
1040 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
1041 * config/rs6000/rs6000.c (logical_operand): Always compare op as
1043 (rs6000_emit_set_long_const): Avoid unnecessary shift.
1044 (output_profile_hook): Declare label_name const.
1045 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
1046 to match constraints.
1048 2001-09-19 Stan Shebs <shebs@apple.com>
1050 * alias.c: Fix typos in comments.
1051 * sched-rgn.c (init_ready_list): Ditto.
1052 * unwind-dw2.c (uw_frame_state_for): Ditto.
1053 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
1054 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
1055 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
1057 2001-09-19 Richard Henderson <rth@redhat.com>
1059 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
1061 * Makefile.in (cfg.o): Depend on TM_P_H.
1063 2001-09-19 Richard Henderson <rth@redhat.com>
1065 * config/alpha/alpha.c (local_symbol_p): Split out from ...
1066 (local_symbolic_operand): ... here.
1067 (small_symbolic_operand): Check mode.
1068 (global_symbolic_operand): New.
1069 (input_operand): Reject symbolics if explicit relocs.
1070 (call_operand): Tidy.
1071 (alpha_legitimize_address): Use movdi_er_high_g.
1072 (alpha_expand_mov): Likewise.
1073 * config/alpha/alpha-protos.h: Update.
1074 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1075 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
1076 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
1077 (UNSPECV_LDGP2): Remove.
1078 (all call patterns): Use 's' not 'i' for symbolic constraint.
1079 (call_osf call_value_osf): Use call_operand.
1080 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
1081 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
1082 (prologue_ldgp_1_er): Remove.
1083 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
1084 (builtin_setjmp_receiver_er patterns): Use them.
1085 (exception_receiver_er): Likewise.
1087 2001-09-19 Richard Henderson <rth@redhat.com>
1089 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
1091 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
1092 and NON_LOCAL_GOTO notes.
1093 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
1094 copy over CALL_INSN_FUNCTION_USAGE.
1096 2001-09-18 Catherine Moore <clm@redhat.com>
1098 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
1101 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
1103 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
1104 new-style tm_file specification. Specify correct tm_p_file,
1105 md_file, and out_file for s390x.
1107 * config/s390/linux.h, linux64.h: Don't include other target
1108 macro header files. Now handled via tm_file.
1110 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
1111 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
1112 are defined before use.
1114 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
1116 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
1117 code generation only for Gnu assembler.
1119 2001-09-18 Catherine Moore <clm@redhat.com>
1121 * config/stormy16 (LIB_SPEC): Remove -lnosys.
1123 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
1125 * config/mips/mips.c (mips_frame_set): New.
1126 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
1127 a parallel frame-related expression with a set for each register.
1129 2001-09-18 Philip Blundell <philb@gnu.org>
1131 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
1134 2001-09-17 Dale Johannesen <dalej@apple.com>
1136 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
1137 * config/rs6000/aix.h (FIXED_R2): Define.
1138 * config/rs6000/darwin.h (FIXED_R2): Define.
1139 * config/rs6000/sysv4.h (FIXED_R2): Define.
1141 2001-09-17 Jeff Sturm <jsturm@one-point.com>
1143 * except.c (dw2_build_landing_pads): New local
1144 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
1145 barrier after clobbers. Fixes c++/4012.
1147 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1149 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
1151 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1153 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
1154 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
1156 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1158 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
1161 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
1163 * cpphash.h (_cpp_lex_direct): New.
1164 * cpplex.c (_cpp_lex_token): Update.
1165 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
1166 and increment that pointer.
1167 * cppmacro.c (alloc_expansion_token): New.
1168 (lex_expansion_token): Lex macro expansion directly into
1171 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
1173 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
1175 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
1177 * basic-block.h (free_bb_for_insn): Declare.
1178 * bb-reorder.c (label_for_bb): Use block_label.
1179 (emit_jump_to_block_after): Remove.
1180 (insert_intra_1): Do not update block_for_insn.
1181 (insert_inter_bb_scope_notes): Likewise; update bb->end
1182 * cfg.c (free_bb_for_insn): New.
1183 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
1184 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
1185 (commit_one_edge_insertion): Likewise.
1186 (commit_one_edge_insertion): Do not update BB boundary.
1187 (commit_edge_insertions): Do not call compute_bb_for_insn.
1188 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
1189 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
1190 (merge_blocks_move_successor_nojumps): Likewise.
1191 (try_crossjump_to_edge): Do not update block_for_insn.
1192 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
1193 * df.c (df_pattern_emit_later): Do not update BB boundary.
1194 (df_jump_pattern_emit_after): Likewise.
1195 (df_insn_move_before): Use emit_insn_before.
1196 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
1198 (add_insn_after, add_insn_before, emit_insns_after): Update BB
1199 boundaries and basic_block_for_insn.
1200 (reorder_insns_nobb): Rename from reorder_insns.
1201 (reorder_insns): New.
1202 (emit_block_insn_before, emit_block_insn_after): Kill.
1203 * flow.c (check_function_return_warnings): Do not call
1204 compute_bb_for_insn; Do not free basic_block_for_insn.
1205 (attempt_auto_inc): Do not update basic_block_for_insn.
1206 * function.c (emit_return_into_block): Likewise;
1207 do not update BB boundaries.
1208 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
1209 (insert_insn_end_bb): Use emit_insn_before; Likewise.
1210 (pre_insert_copy_insn): Likewise.
1211 (update_ld_motion_notes): Likewise.
1212 (insert_insn_start_bb): Likewise.
1213 (replace_store_insn): Likewise.
1214 * ifcvt.c (noce_process_if_block): Likewise.
1215 (if_convert): Do not call compute_bb_for_insn.
1216 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
1217 Use emit_insn_before and emit_insn_after.
1218 * recog.c (split_all_insns): Do not update BB boundaries;
1219 Do not call compute_bb_for_insn.
1220 (peephole2_optimize): Do not update BB boundaries.
1221 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
1223 (emit_swap_insn): Likewise.
1224 (convert_regs_1): Likewise.
1225 * reload1.c (reload): Call compute_bb_for_insn.
1226 * rtl.h (reorder_insns_nobb): Declare.
1227 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
1228 * toplev.c (rest_of_compilation): Call free_bb_for_insn
1229 at places CFG is invalidated; do not call compute_bb_for_insn.
1231 * cfg.c (expunge_block): Invalidate BB structure.
1233 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
1236 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
1238 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1240 * cpphash.h (_cpp_lex_token): Update prototype.
1241 * cpplex.c (_cpp_lex_token): New prototype.
1242 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
1243 lex_macro_node, read_flag, do_pragma_poison): Update.
1244 * cppmacro.c (cpp_get_token, parse_params,
1245 lex_expansion_token): Update.
1247 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
1249 * cppmain.c (scan_translation_unit): Don't worry about
1250 putting a space after hashes.
1251 * cpplib.c (directive_diagnostics): New.
1252 (_cpp_handle_directive): Update to use directive_diagnostics.
1253 (run_directive): Don't toggle prevent_expansion.
1254 (do_line): Backup in case of the line extension.
1255 * cpplib.h (cpp_lexer_pos): Remove.
1256 * cppmacro.c (_cpp_create_definition): Precede a leading #
1259 2001-09-15 Richard Henderson <rth@redhat.com>
1261 * c-typeck.c (comptypes): Handle zero-length arrays properly.
1263 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1265 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
1267 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1269 PR preprocessor/3571
1270 * tradcpp.c (handle_directive): Skip non-vertical space.
1272 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1274 * cppmain.c (setup_callbacks): Set line callback only
1275 if outputting preprocessed source.
1277 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1279 * collect2.c (main): Const-ification.
1280 * gcc.c (translate_options, process_command): Use xstrdup in
1281 lieu of xmalloc/strcpy.
1282 (main): Use concat in lieu of xmalloc/strcpy/strcat.
1284 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1286 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
1289 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1291 * scan-decls.c (scan_decls): Fix typo.
1293 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
1295 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
1296 Split mlstring_pos into mls_line and mls_col.
1297 * cppinit.c (cpp_create_reader): Initialize line to 1.
1298 (cpp_destroy): Free tokenruns.
1299 (push_include): Don't update lexer_pos.
1300 * cpplex.c (unterminated, parse_string): Update.
1301 (lex_token): Don't update lexer_pos, update.
1302 * cpplib.c (if_stack): Save line instead of line + col.
1303 (start_directive, _cpp_do__Pragma, do_else, do_elif,
1304 push_conditional, _cpp_pop_buffer): Update.
1305 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
1306 (_cpp_create_definition): Update.
1308 2001-09-15 Eric Christopher <echristo@redhat.com>
1310 * config/mips/abi64.h: Add support for MEABI.
1312 2001-09-15 Eric Christopher <echristo@redhat.com>
1314 * config/mips/mips.md: Add unspec #2.
1316 (reload_outdi): Ditto.
1317 (reload_outsi): Ditto.
1320 2001-09-15 Eric Christopher <echristo@redhat.com>
1321 Jason Eckhardt <jle@redhat.com>
1323 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
1324 * config/mips/isa32-linux.h: New file.
1325 * config/mips/isa3264.h: Ditto.
1326 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
1327 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
1328 (output_block_mode): Support MEABI.
1329 (function_arg): Ditto. Fix floating point arg passing.
1330 (mips_va_start): Ditto.
1331 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
1333 (mips_asm_file_start): Add new section to pass abi to gdb.
1334 (function_arg_pass_by_reference): Support MEABI.
1335 (mips_parse_cpu): Support mips32 and mips64 processors.
1336 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
1337 TARGET_MIPS5KC. Support isa32 and isa64.
1338 (processor_type): Add r4kc, r5kc, r20kc.
1339 (GENERATE_MULT3_SI): New.
1340 (GENERATE_MULT3_DI): Ditto.
1341 (GENERATE_MULT3): Remove.
1342 (ISA_HAS_64BIT_REGS): Add isa == 64.
1343 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
1344 (ISA_HAS_MADD_MSUB): New.
1345 (ISA_HAS_CLZ_CLO): Ditto.
1346 (ISA_HAS_DCLZ_DCLO): Ditto.
1347 (ABI_GAS_ASM_SPEC): New.
1348 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
1351 (SUBTARGET_CC1_SPEC): Ditto.
1352 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
1353 (PAD_VARARGS_DOWN): Support MEABI.
1354 (HARD_REGNO_NREGS): Move to mips.c.
1355 (ASM_OUTPUT_IDENT): Add #undef.
1356 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
1357 (mulsi3): Use GENERATE_MULT3_SI.
1358 (mulsi3_mult3): Ditto. Support mips32, mips64.
1359 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
1360 (mul_sub_si): New pattern.
1361 (unnamed splitters): New.
1362 (muldi3): Use GENERATE_MULT3_DI.
1363 (muldi3_internal2): Ditto.
1364 (movdicc): Support mips32.
1365 * config/mips/t-isa3264: New file.
1367 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
1369 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
1370 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
1371 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
1373 * reorg.c (fill_slots_from_thread): After call to
1374 steal_delay_list_from_target, update own_thread as new_thread may
1377 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
1379 * cpperror.c (print_location): Take line and column, for
1380 default positioning use the previously lexed token.
1381 (_cpp_begin_message): Take line and column.
1382 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1383 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1384 * cpphash.h (_cpp_begin_message): Update prototype.
1385 * cppinit.c (push_include): Don't set output line.
1386 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
1387 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
1388 (do_pragma): Kludge for front ends. Don't expand macros at all.
1389 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
1390 (struct cpp_token): Remove output_line.
1391 (struct cpp_callbacks): New member line_change.
1392 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
1393 cpp_get_token): Preserve BOL flag.
1394 (cpp_get_line): Remove.
1395 (_cpp_backup_tokens): Remove useless abort().
1396 * cppmain.c (cb_line_change): New.
1397 (scan_translation_unit): Don't worry about starting new lines here.
1398 * scan-decls.c (scan_decls): Update.
1399 * c-lex.c (c_lex, init_c_lex): Update.
1400 (cb_line_change, src_lineno): New.
1402 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
1404 * tree.c (append_random_chars): Generate the random
1405 characters in a reproducable fashion.
1407 2001-09-14 Richard Henderson <rth@redhat.com>
1409 * config/i386/i386.c (internal_label_prefix): New.
1410 (internal_label_prefix_len): New.
1411 (override_options): Set them.
1412 (local_symbolic_operand): New.
1413 (legitimate_pic_address_disp_p): Use it.
1414 (legitimize_pic_address): Likewise.
1416 2001-09-14 Marc Espie <espie@openbsd.org>
1418 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
1421 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1423 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
1424 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
1426 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
1428 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
1429 invocation of SUBREG_REGNO_OFFSET.
1431 * haifa-sched.c: Fix typo in FSF copyright statement.
1432 * sched-deps.c: Fix typo in FSF copyright statement.
1433 * sched-ebb.c: Fix typo in FSF copyright statement.
1434 * sched-rgn.c: Fix typo in FSF copyright statement.
1435 * sched-vis.c: Fix typo in FSF copyright statement.
1437 * config.gcc: Move inclusion of arm elf specific header files
1438 from the files themselves into the tm_file variable. Make
1439 sure that elfos.h is included before target specific elf
1441 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
1443 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
1444 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
1445 ASM_OUTPUT_CASE_LABEL): Protect definition.
1446 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
1447 not already defined.
1448 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
1449 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
1450 Remove duplicate definition.
1451 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
1452 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
1453 (RDATA_SECTION_FUNCTION): Remove redundant definition.
1454 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
1455 Remove inclusion of arm/elf.h.
1456 * config/arm/unknown-elf.h: as for conix-elf.h.
1457 (STARTFILE_SPEC): Include crti.o and crtn.o.
1458 * config/arm/linux-elf.h: as for conix-elf.h.
1459 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
1460 * config/arm/strongarm-elf.h: Remove inclusion of
1462 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
1463 * config/arm/unknown-elf-oabi.h: Remove inclusion of
1464 unknown-elf.h and elf.h.
1465 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
1466 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
1467 ASM_WEAKEN_LABEL): Remove redundant definition.
1468 * config/arm/elf.h: Test for inclusion of elfos.h
1469 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
1470 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
1471 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
1472 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
1473 redundant definition.
1474 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
1475 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
1476 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
1477 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
1478 Add rules to build crti.o and crtn.o
1479 * crti.asm: New file.
1480 * crtn.asm: New file.
1482 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
1484 * c-parse.in (_yylex): Use _cpp_backup_tokens.
1485 * cpphash.h (struct tokenrun): Add prev.
1486 (struct lexer_state): Remove bol.
1487 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
1488 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
1490 * cppinit.c (cpp_create_reader): Don't set bol.
1491 (cpp_destroy): Don't free lookaheads.
1492 * cpplex.c (lex_directive): Remove.
1493 (next_tokenrun): Update.
1494 (_cpp_lex_token): Clean up logic.
1495 (lex_token): Update to return a pointer to lexed token, since it
1496 can move to the start of the buffer. Simpify newline handling.
1497 * cpplib.c (SEEN_EOL): Update.
1498 (skip_rest_of_line): Remove lookahead stuff.
1499 (end_directive): Line numbers are already incremented. Revert
1500 to start of lexed token buffer if we can.
1501 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
1502 parse_answer): Use _cpp_backup_tokens.
1503 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
1504 instead. Don't check for EOL.
1505 (do_include_common, do_line, do_pragma_system_header): Use
1507 * cpplib.h (BOL, _cpp_backup_tokens): New.
1508 * cppmacro.c (save_lookahead_token, take_lookahead_token,
1509 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
1510 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
1511 (builtin_macro): Don't use cpp_get_line.
1512 (cpp_get_line): Short term kludge.
1513 (parse_arg): Handle directives in arguments here. Back up when
1514 appropriate. Store EOF at end of argument list.
1515 (funlike_invocation_p): Use _cpp_backup_tokens.
1516 (push_arg_context): Account for EOF at end of list.
1517 (cpp_get_token): Remove lookahead stuff. Update.
1519 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1521 * c-parse.in (yyerror): Const-ification and/or static-ization.
1522 * c-typeck.c (push_member_name): Likewise.
1523 * collect2.c (main): Likewise.
1524 * dbxout.c (dbxout_parms): Likewise.
1525 * diagnostic.c (format_with_decl): Likewise.
1526 * dwarf2out.c (output_ranges): Likewise.
1527 * dwarfout.c (fundamental_type_code): Likewise.
1528 * except.c (dw2_output_call_site_table): Likewise.
1529 * gcc.c (do_spec_1): Likewise.
1530 * genopinit.c (optabs): Likewise.
1531 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
1532 gen_declaration_1, handle_impent): Likewise.
1533 * protoize.c (default_include, in_system_include_dir, abspath):
1535 * sched-vis.c (visualize_stall_cycles): Likewise.
1536 * sdbout.c (plain_type_1, sdbout_end_function,
1537 sdbout_end_epilogue): Likewise.
1538 * varasm.c (decode_reg_name): Likewise.
1540 * 1750a.c (mod_regno_adjust): Likewise.
1541 * alpha.c (alpha_write_one_linkage,
1542 unicosmk_output_default_externs): Likewise.
1543 * arm.c (arm_condition_codes): Likewise.
1544 * arm.h (arm_condition_codes): Likewise.
1545 * avr.c (output_movsisf, encode_section_info): Likewise.
1546 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
1548 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1549 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
1550 * m88k.c (output_function_profiler): Likewise.
1551 * mips.c (mips_output_conditional_branch): Likewise.
1552 * ns32k.c (ns32k_out_reg_names): Likewise.
1553 * ns32k.h (ns32k_out_reg_names): Likewise.
1554 * pj.c (pj_output_rval): Likewise.
1555 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
1556 * sparc.c (sparc_flat_function_prologue,
1557 sparc_flat_function_epilogue): Likewise.
1559 2001-09-13 Markus Werle <numerical.simulation@web.de>
1560 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1562 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
1563 Aachen University of Technology".
1565 2001-09-13 Andreas Schwab <schwab@suse.de>
1567 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
1570 2001-09-13 Richard Henderson <rth@redhat.com>
1572 * config/alpha/alpha.c (small_symbolic_operand): New.
1573 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
1574 (some_operand, input_operand): Don't handle HIGH.
1575 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
1576 (alpha_expand_mov): Likewise.
1577 (print_operand) [H]: Just print HIGH symbol.
1578 (print_operand_address): Handle small data.
1579 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
1580 (TARGET_SWITCHES): Add -msmall-data/large-data.
1581 (PIC_OFFSET_TABLE_REGNUM): New.
1582 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
1583 (PREDICATE_COES): Update.
1584 * config/alpha/alpha.md (adddi_er_high): New.
1585 (adddi_er_low): Handle small data.
1586 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
1587 prefer .sdata to .rodata.
1588 (SELECT_RTX_SECTION): Likewise.
1590 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
1592 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1593 defining __size_t and leaving size_t undefined.
1595 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1597 * basic-block.h (expunge_block): Declare.
1598 * cfg.c (expunge_block): Remove static declaration.
1600 2001-09-12 Richard Henderson <rth@redhat.com>
1602 * integrate.c (copy_insn_list): Copy label name from
1603 NOTE_INSN_DELETED_LABEL.
1605 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1607 * c-common.c (c_tree_code_name): Const-ification.
1608 * c-decl.c (c_decode_option): Likewise.
1609 * c-typeck.c (warn_for_assignment): Likewise.
1610 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
1612 * cppinit.c (output_deps): Likewise.
1613 * dependence.c (dependence_string, direction_string): Likewise.
1614 * dwarf2out.c (output_ranges): Likewise.
1615 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
1616 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
1617 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1618 standard_startfile_prefix, standard_startfile_prefix_1,
1619 standard_startfile_prefix_2, tooldir_base_prefix,
1620 standard_bindir_prefix, find_a_file): Likewise.
1621 * genattrtab.c (make_length_attrs): Likewise.
1622 * gencheck.c (tree_codes): Likewise.
1623 * genemit.c (gen_split): Likewise.
1624 * genrecog.c (special_mode_pred_table): Likewise.
1625 * graph.c (graph_ext): Likewise.
1626 * protoize (default_include): Likewise.
1627 * reload.c (reload_when_needed_name): Likewise.
1628 * sched-vis.c (visualize_stall_cycles): Likewise.
1629 * tlink.c (recompile_files): Likewise.
1630 * toplev.c (decode_g_option): Likewise.
1631 * tradcpp.c (output_deps): Likewise.
1632 * varasm.c (decode_reg_name): Likewise.
1634 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1637 * avr.c (avr_regnames, encode_section_info): Likewise.
1638 * c4x.c (float_reg_names): Likewise.
1639 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1640 * elfos.h (const_section): Likewise.
1641 * i386.c (ix86_comp_type_attributes): Likewise.
1642 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1643 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1644 * ia64.c (type_names): Likewise.
1645 * m68hc11.c (reg_class_names): Likewise.
1646 * m88k.c (m_options): Likewise.
1647 * mips.c (mips_output_conditional_branch, mips_unique_section):
1649 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1650 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1651 ultra_code_names): Likewise.
1652 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1654 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1656 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1657 Use --fatal-warnings option for gas.
1658 * configure: Rebuilt.
1660 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1662 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1664 2001-09-11 Jim Wilson <wilson@redhat.com>
1666 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1668 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1670 * builtins.c (c_strlen): Treat an offset too large for a
1671 HOST_WIDE_INT as out of range.
1673 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1675 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1676 (EDGE_CRITICAL_P): New predicate.
1677 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1679 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1680 (dump_edge_info): Remove "crit".
1681 * cfganal.c (mark_critical_edges): Kill.
1682 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1683 * cfgcleanup.c (cleanup_cfg): Likewise.
1684 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1685 (find_spanning_tree): Likewise.
1686 * reg-stack.c (convert_regs_1): Likewise.
1687 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1689 * basic-block.h (create_basic_block_structure): New.
1690 (create_basic_block): Update prototype.
1691 (force_nonfallthru): New.
1692 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1693 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1694 handle updating of block_for_insn, creating of empty BBs and BBs at
1695 the end of INSN chain.
1696 (create_basic_block): New function.
1697 (split_block): Use create_basic_block.
1698 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1699 (redirect_edge_and_branch_force): ... here.
1700 (force_nonfallthru): New.
1701 (split_edge): Rewrite to use force_nonfallthru and create_block.
1702 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1703 (find_basic_blocks): Free basic_block_for_insn.
1704 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1706 * cfg.c: Fix formating.
1707 * cfgcleanup.c: Fix formating.
1708 (merge_blocks, tail_recursion_label_p): Return bool.
1709 (merge_blocks_move_predecessor_nojumps,
1710 merge_blocks_move_successor_nojumps): Return void.
1712 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1714 * configure.in: Check whether assembler supports section merging.
1715 * config.in: Rebuilt.
1716 * configure: Rebuilt.
1717 * varasm.c (variable_section, output_constant_pool): Pass alignment
1718 to SELECT_SECTION and SELECT_RTX_SECTION.
1719 (mergeable_string_section): New.
1720 (mergeable_constant_section): New.
1721 (default_elf_asm_named_section): Output SECTION_MERGE and
1722 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1723 * output.h (mergeable_string_section): New.
1724 (mergeable_constant_section): New.
1725 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1726 * toplev.c (flag_merge_constants): New.
1727 (f_options): Add -fmerge-constants and -fmerge-all-constants
1729 (toplev_main): Default to -fno-merge-constants if not optimizing.
1730 * flags.h (flag_merge_constants): Add extern.
1731 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1732 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1734 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1735 Define if assembler has working .subsection -1 support.
1736 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1737 Put constant into special SHF_MERGE sections if the linker should
1738 attempt to merge duplicates.
1739 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1741 Put constant into special SHF_MERGE sections if the linker should
1742 attempt to merge duplicates.
1743 * config/alpha/elf.h: Likewise.
1744 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1745 has working .subsection -1 support.
1746 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1748 * config/svr3.h: Likewise.
1749 * config/darwin.h: Likewise.
1750 * config/arm/aof.h: Likewise.
1751 * config/arm/linux-elf.h: Likewise.
1752 * config/avr/avr.h: Likewise.
1753 * config/c4x/c4x.h: Likewise.
1754 * config/d30v/d30v.h: Likewise.
1755 * config/i386/dgux.h: Likewise.
1756 * config/i386/osfrose.h: Likewise.
1757 * config/i386/sco5.h: Likewise.
1758 * config/i386/svr3gas.h: Likewise.
1759 * config/ia64/aix.h: Likewise.
1760 * config/m32r/m32r.h: Likewise.
1761 * config/m68k/m68k.h: Likewise.
1762 * config/m88k/dgux.h: Likewise.
1763 * config/m88k/m88k.h: Likewise.
1764 * config/mcore/mcore-pe.h: Likewise.
1765 * config/mips/mips.h: Likewise.
1766 * config/pa/pa.h: Likewise.
1767 * config/pa/pa-linux.h: Likewise.
1768 * config/romp/romp.h: Likewise.
1769 * config/rs6000/sysv4.h: Likewise.
1770 * config/rs6000/xcoff.h: Likewise.
1771 * config/s390/linux.h: Likewise.
1772 * config/sparc/sparc.h: Likewise.
1773 * config/sparc/sysv4.h: Likewise.
1774 * config/stormy16/stormy16.h: Likewise.
1775 * config/v850/v850.h: Likewise.
1776 * config/vax/vms.h: Likewise.
1777 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1778 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1779 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1780 default_elf_asm_named_section for SHF_MERGE sections.
1782 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1784 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1787 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1789 * c-common.c (split_specs_attrs): Allow for empty attributes with
1790 empty TREE_PURPOSE. Fixes PR c/4294.
1792 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1794 * basic-block.h (cached_make_edge, make_single_succ): New.
1795 (make_edge): Remove first parameter.
1796 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1797 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1798 created edge; use obstack allocation.
1799 (make_edge, make_single_succ_edge): New.
1800 (first_removed_edge): New static variable.
1801 (init_flow): Initialize first_removed_edge and n_edges.
1802 (clear_edges): Use remove_edge.
1803 (flow_delete_block): Likewise.
1804 (remove_edge): Add removed edges to the removed edges list.
1805 (split_block, redirect_edge_and_branch_force, split_edge):
1807 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1808 (add_noreturn_fake_exit_edges): Likewise.
1809 (connect_infinite_loops_to_exit): Liekwise.
1810 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1811 Use cached_make_edge.
1812 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1813 * profile.c (branch_prob): Update make_edge call.
1814 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1816 2001-09-11 Richard Henderson <rth@redhat.com>
1818 * config/alpha/alpha.c: Tidy formatting.
1819 (local_symbolic_operand): Verify mode.
1820 (alpha_sa_mask): Ignore unicos for eh_return.
1821 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1822 * config/alpha/alpha.md (umk divsi patterns): Remove.
1823 (extendsfdf2): Remove unicos check.
1824 (tablejump): Merge vms and unicos code; always use direct set
1827 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1829 * config.gcc (alpha*-*-unicosmk*): New target.
1831 * config/alpha/alpha-protos.h (symbolic_operand,
1832 unicosmk_add_call_info_word, unicosmk_add_extern,
1833 unicosmk_defer_case_vector, unicosmk_unique_section,
1834 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1835 unicosmk_asm_file_start, unicosmk_asm_file_end,
1836 unicosmk_output_common): Declare.
1838 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1839 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1840 alpha_does_function_need_gp, alpha_end_function): Support Cray
1842 (alpha_init_machine_status, alpha_mark_machine_status,
1843 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1844 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1845 unicosmk_asm_named_section, unicosmk_insert_attributes,
1846 unicosmk_section_type_flags, symbolic_operand,
1847 unicosmk_output_module_name, unicosmk_output_default_externs,
1848 unicosmk_output_dex, unicosmk_output_externs,
1849 unicosmk_output_addr_vec, unicosmk_ssib_name,
1850 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1851 unicosmk_asm_file_end, unicosmk_output_common,
1852 unicosmk_section_type_flags, unicosmk_unique_section,
1853 unicosmk_add_call_info_word, unicosmk_text_section,
1854 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1855 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1856 unicosmk_dex_count, unicosmk_special_name): New.
1857 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1858 TARGET_ABI_UNICOSMK.
1859 (get_aligned_mem, alpha_expand_unaligned_load,
1860 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1861 alpha_expand_unaligned_store_words): Support big-endian mode.
1862 (print_operand): Likewise. New format specifier 't'. Use
1863 TARGET_AS_SLASH_BEFORE_SUFFIX.
1864 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1865 (alpha_pv_save_size): Update with above change.
1866 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1867 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1870 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1871 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1872 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1873 (EXTRA_CONSTRAINT): New constraint 'U'.
1874 (PREDICATE_CODES): Add symbolic_operand.
1876 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1877 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1878 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1879 (integer division and modulus patterns): Split in default and
1881 (*divmodsi_internal, *divmoddi_internal): Disable for
1882 TARGET_ABI_UNICOSMK.
1883 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1884 little-endian and big-endian versions.
1885 (ext, ins, msk): Likewise.
1886 (extv, extzv, insv): Support big-endian mode.
1887 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1888 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1889 *tablejump_umk_internal, *call_value_umk): New.
1890 (*movdi_nofix): Add pattern for loading an address into a register on
1891 TARGET_ABI_UNICOSMK.
1892 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1893 (umk_mismatch_args, arg_home_umk): New.
1894 (various insns): Don't use mov, fmov, nop, fnop and unop.
1895 (realign): Support TARGET_ABI_UNICOSMK.
1897 * config/alpha/unicosmk.h: New file.
1898 * config/alpha/t-unicosmk: New file.
1900 * fixinc/inclhack.def (unicosmk_restrict): New.
1901 * fixinc/fixincl.x: Regenerate.
1903 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1904 (wchar_t): Check for and define __WCHAR_T__.
1906 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1908 * combine.c (simplify_shift_const): Treat shifts by the mode
1911 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1913 * cpphash.h (struct tokenrun): New.
1914 (struct cpp_context): New member bol.
1915 (struct cpp_reader): New members.
1916 (_cpp_init_tokenrun): New.
1917 * cppinit.c (cpp_create_reader): Set up the token runs.
1918 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1919 (lex_token): New internalised version of _cpp_lex_token. Don't
1920 handle directives or the multiple include opimisation here any
1921 more. Simply lex a token.
1922 * cpplib.c (run_directive): Clear bol.
1923 (_cpp_pop_buffer): Set bol.
1924 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1927 2001-09-11 Michael Meissner <meissner@redhat.com>
1929 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1930 give an error if the user uses -mfp32.
1931 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1933 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1934 floating point register size.
1935 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1937 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1938 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1940 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1941 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1943 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1945 * dbxout.c (dbxout_parms): Fix typo in comment.
1946 * unroll.c (loop_find_equiv_value): Ditto.
1947 * toplev.c (rest_of_compilation): Ditto.
1948 * loop.c (scan_loop): Ditto.
1949 * dwarf2out.c (struct dw_fde_struct): Ditto.
1951 2001-09-10 Zack Weinberg <zackw@panix.com>
1953 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1954 copying identifier when we're just going to throw it away.
1955 (parse_identifier_slow): New routine to handle abnormal cases.
1956 (_cpp_lex_token): Update call site.
1958 * hashtable.c (ht_lookup): Don't assume that the string we've
1959 been given is NUL-terminated.
1960 * system.h: #define __builtin_expect(a, b) to (a) if not
1963 2001-09-10 Michael Meissner <meissner@redhat.com>
1965 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1968 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1970 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1972 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1974 * builtins.c (c_getstr): Correct thinko in last change and further
1977 2001-09-10 Tim Freeman <tim@fungibole.com>
1979 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1980 into varray's and register them as roots with the garbage
1981 collector so they are not collected too soon.
1983 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1985 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1987 * basic-block.h (flow_obstack, label_value_list,
1988 tail_recursion_label_list): Declare
1989 (tidy_fallthru_edges): Declare.
1990 (expunge_block, last_loop_beg_note): Delete.
1991 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1993 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1994 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1995 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1996 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1997 expunge_block, flow_delete_block, compute_bb_for_insn,
1998 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1999 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
2000 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
2001 try_redirect_by_replacing_jump, last_loop_beg_note,
2002 redirect_edge_and_branch, redirect_edge_and_branch_force,
2003 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
2004 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
2005 commit_edge_insertions, dump_flow_info, debug_flow_info,
2006 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
2007 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
2008 Move here from flow.c
2009 * cfganal.c: New file.
2010 (forwarder_block_p, can_fallthru, mark_critical_edges,
2011 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
2012 find_unreachable_blocks, create_edge_list, free_edge_list,
2013 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
2014 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
2015 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
2016 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
2017 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
2018 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
2019 Move here from flow.c
2020 * cfgbuild.c: New file
2021 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
2022 make_edges, find_basic_blocks_1, find_basic_blocks,
2023 find_sub_basic_blocks): Move here from flow.c
2024 * cfgcleanup.c: New file.
2025 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
2026 merge_blocks_move_predecessor_nojumps,
2027 merge_blocks_move_successor_nojumps, merge_blocks,
2028 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2029 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
2030 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
2032 * cfgloop.c: New file
2033 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
2034 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
2035 flow_loop_exit_edges_find, flow_loop_nodes_find,
2036 flow_loop_pre_header_scan, flow_loop_pre_header_find,
2037 flow_loop_tree_node_add, flow_loops_tree_build,
2038 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
2039 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
2040 Move here from flow.c
2041 * flow.c: Remove everything moved elsewhere
2042 * output.h (cleanup_cfg): Return bool.
2044 * bb-reorder.c (reorder_block_def): Remove 'index'.
2045 (insert_intra_1): Add argument BB, set block for new note.
2046 (make_reorder_chain): Do not depdent on BB indexes.
2047 (make_reorder_chain_1): Do not use BB indexes.
2048 (label_for_bb): Likewise; set BB for new insn.
2049 (emit_jump_to_block_after): Likewise.
2050 (fixup_reoder_chain): Sanity check that all basic blocks
2051 are chained; verify newly created insn chain; remove
2052 undocnitional jump simplifying; Do not use BB indexes;
2053 properly initialize count and frequency information;
2054 dump reordered sequence.
2055 (insert_intra_bb_scope_notes): update call of insert_intra_1.
2056 (insert_inter_bb_scope_notes): Set block for new insn.
2057 (reorder_basic_blocks): Dump flow info before reoredering.
2059 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2061 * alias.c (clear_reg_alias_info): Use K&R format definition.
2062 Avoid unsigned warning.
2063 * builtins.c: Use "unsigned int", not "unsigned".
2064 (target_char_cast): Use host_integerp and tree_low_cst.
2065 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
2066 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
2067 (c_getstr): Likewise.
2068 (std_expand_builtin_va_arg): Use int_size_in_bytes.
2069 (builtin_memcpy_read_str): Avoid unsigned warning.
2070 (expand_builtin_memcpy): Alignments are unsigned.
2071 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
2072 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
2073 * predict.c (expensive_function_p): LIMIT now unsigned.
2074 * resource.c (mark_target_live_regs): Make some vars unsigned.
2075 * sdbout.c: Use "unsigned int", not "unsigned".
2076 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
2077 (sdbout_source_line): Likewise.
2078 (sdbout_record_type_name): Remove "const" for NAME declaration.
2079 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
2081 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
2083 * calls.c (store_one_arg): Expand comment.
2085 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2087 * calls.c (store_one_arg): Make sure that the entire argument is
2088 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
2090 2001-09-09 Richard Henderson <rth@redhat.com>
2092 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
2094 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
2096 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
2098 2001-09-09 Richard Henderson <rth@redhat.com>
2100 * config/alpha/alpha.c (alpha_next_sequence_number): New.
2101 (alpha_this_literal_sequence_number): New.
2102 (alpha_this_gpdisp_sequence_number): New.
2103 (some_operand, input_operand): Add HIGH.
2104 (local_symbolic_operand): New.
2105 (alpha_encode_section_info): New.
2106 (alpha_legitimate_address_p): Allow LO_SUM.
2107 (alpha_legitimize_address): Generate HIGH+LO_SUM.
2108 (alpha_expand_mov): Likewise.
2109 (secondary_reload_class): Check memory_operand not general_operand
2111 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
2112 (alpha_expand_unaligned_store): Likewise.
2113 (alpha_expand_unaligned_load_words): Likewise.
2114 (alpha_expand_unaligned_store_words): Likewise.
2115 (alpha_expand_block_clear): Likewise.
2116 (print_operand): Handle %#, %*, %H.
2117 (print_operand_address): Handle LO_SUM.
2119 (alpha_does_function_need_gp): Use it.
2120 (alpha_expand_block_move): Fix signed compare warnings.
2121 (alpha_sa_mask, alpha_align_insns): Likewise.
2122 * config/alpha/alpha-protos.h: Update.
2123 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
2124 (MASK_EXPLICIT_RELOCS): New.
2125 (TARGET_SWITCHES): Add -mexplicit-relocs.
2126 (EXTRA_CONSTRAINT): Add 'T'.
2127 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
2128 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
2129 (ENCODE_SECTION_INFO): Out line.
2130 (REDO_SECTION_INFO_P): New.
2131 (STRIP_NAME_ENCODING): New.
2132 (ASM_OUTPUT_LABELREF): New.
2133 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
2134 (PREDICATE_CODES): Update.
2135 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
2136 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
2137 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
2138 builtin_setjmp_receiver_er, exception_receiver_1_er,
2139 call_value_osf_1_er): New patterns.
2140 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
2141 (movqi, movhi, movsi): Add explicit $31 base register to lda.
2142 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
2143 (FINAL_PRESCAN_INSN): New.
2145 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
2147 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
2149 2001-09-08 Andreas Jaeger <aj@suse.de>
2151 * i386.h (TARGET_SWITCHES): Fix description.
2153 2001-09-07 David Edelsohn <edelsohn@gnu.org>
2155 * rs6000.c (num_insns_constant): Compute number of instructions
2158 * doc/install.texi: Explain AIX exception handling work-around.
2159 Update URL for AIX fixes.
2161 2001-09-07 Jim Wilson <wilson@redhat.com>
2163 * alias.c (clear_reg_alias_info): New.
2164 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
2165 * rtl.h (clear_reg_alias_info): Declare.
2167 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2169 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
2171 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
2172 (m16m,edivm,emulm): Change declaration to match definition.
2174 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2176 * reload.c (push_reload): Check for subreg_lowpart_p instead of
2177 SUBREG_BYTE being 0 when determining if the inner part of a subreg
2180 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2182 * c-common.c (signed_or_unsigned_type): Handle machine mode types
2183 which have no corresponding C type.
2184 * fold_const.c (target_isinf,target_isnan,target_negative): Update
2185 the representation of 64-bit doubles to work with 64-bit ints.
2187 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
2189 * config/mips/mips.c (override_options): Do not override ISA when ABI
2190 specified if MIPS_CPU_STRING_DEFAULT was specified.
2192 2001-09-07 Richard Henderson <rth@redhat.com>
2194 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
2195 (express_from_1): Wrap lines.
2196 * rtlanal.c (commutative_operand_precedence): Rename from
2197 operand_preference; export.
2198 * rtl.h: Declare it.
2199 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
2200 (simplify_binary_operation): Invoke simplify_plus_minus on
2201 (CONST (PLUS ...)) as well.
2202 (struct simplify_plus_minus_op_data): New.
2203 (simplify_plus_minus_op_data_cmp): New.
2204 (simplify_plus_minus): Use them. Avoid infinite recursion with
2205 simplify_binary_operation wrt CONST.
2207 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
2209 * h8300-protos.h (general_operand_dst_push): Remove.
2210 * h8300.c (general_operand_dst_push): Likewise.
2211 * h8300.h (OK_FOR_T): Likewise.
2212 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
2213 * h8300.md (pushqi_h8300): New.
2214 (pushqi_h8300hs): Likewise.
2216 (pushhi_h8300): Likewise.
2217 (pushhi_h8300hs): Likewise.
2220 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2222 * genattrtab.c (attr_printf): First arg is unsigned.
2223 Clean up formatting of callers.
2225 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
2227 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
2230 2001-09-07 Andreas Jaeger <aj@suse.de>
2232 * i386.h (TARGET_SWITCHES): Fix descriptions.
2234 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2236 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
2238 2001-09-06 Ira Ruben <ira@apple.com>
2240 Remove OP_IDENTIFIER.
2241 * tree.def (OP_IDENTIFIER): Remove.
2242 * tree.c (tree_node_kind enum): Remove op_id_kind.
2243 (tree_node_kind_names): Remove "op_identifiers".
2244 (make_node): Remove OP_IDENTIFIER test.
2245 (build_op_identifier): Removed because it isn't being used.
2246 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
2247 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
2249 2001-09-06 Richard Henderson <rth@redhat.com>
2251 * simplify-rtx.c (simplify_binary_operation): Revert last change.
2253 2001-09-06 Richard Henderson <rth@redhat.com>
2255 * simplify-rtx.c (simplify_binary_operation): Simplify contents
2258 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2260 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
2261 number used for CR register.
2263 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2264 Joern Rennecke (amylaar@cygnus.com)
2266 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
2267 * h8300.c (initial_offset): Handle offset between RP and FP.
2268 (h8300_return_addr_rtx): New function.
2269 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
2271 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
2272 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
2273 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
2274 (CAN_ELIMINATE, REGISTER_NAMES):
2275 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
2277 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
2279 Remove TYPE_NONCOPIED_PARTS.
2280 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
2281 (struct tree_type): Remove noncopied_parts.
2282 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
2283 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
2284 (fixed_type_p): Remove.
2285 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
2286 (expand_expr, MODIFY_EXPR): Likewise.
2287 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
2288 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
2290 2001-09-06 Alan Modra <amodra@bigpond.net.au>
2292 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
2294 (mask64_operand): Likewise.
2295 (includes_rldic_lshift_p): Likewise.
2296 (includes_rldicr_lshift_p): Likewise.
2298 2001-09-05 Ziemowit Laski <zlaski@apple.com>
2300 * objc/objc-act.c (build_message_expr): If a class method cannot
2301 be found, do not issue a warning if a corresponding instance
2302 method exists in the root class.
2304 2001-09-05 Richard Henderson <rth@redhat.com>
2306 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
2308 2001-09-05 Zack Weinberg <zack@codesourcery.com>
2310 * function.c (ggc_mark_struct_function): Mark f->outer.
2311 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
2312 * integrate.c (output_inline_function): ... not here.
2314 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2316 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
2318 * i386.c (size_cost): New static variable.
2319 (override_function): Use size_cost when -Os is specified.
2321 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
2322 properly; Use current_function_calls_eh_return.
2323 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
2324 use leave to avoid depdendancy chain.
2326 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
2327 get BB loop_depth instead of computing it from LOOP notes.
2329 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
2331 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2333 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2334 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2335 UNALIGNED_DOUBLE_INT_ASM_OP): Define
2337 2001-09-05 Jeffrey A Law (law@cygnus.com)
2338 Jason Merrill (jason@redhat.com)
2340 * stor-layout.c (layout_type): Complain if an array's size can
2341 not be represented in a size_t.
2343 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
2345 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
2347 * gcc.c: (process_command) Add parentheses around assignment
2348 used as truth value.
2350 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2352 * config/mips/mips.c (save_restore_insns): Don't mark any register
2353 save slots as unchanging if current_function_calls_eh_return.
2355 2001-09-05 Richard Henderson <rth@redhat.com>
2357 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
2358 * config/alpha/alpha-protos.h: Declare it.
2359 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
2360 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
2361 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
2362 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
2363 (REG_OK_FOR_BASE_P): Select one of the above.
2365 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
2367 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
2368 (crti.o): Prefix name of object file with $(T).
2371 2001-09-05 David S. Miller <davem@redhat.com>
2373 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
2374 * config/sparc/linux64.h: Likewise.
2376 2001-09-05 Andreas Jaeger <aj@suse.de>
2378 * doc/invoke.texi (i386 Options): -mwide-multiply is not
2379 available anymore, remove the documentation.
2380 (i386 Options): Fix typo, cleanup index entries.
2382 * prefix.c (concat): Remove, we can use the version from liberty.
2384 2001-09-05 Richard Henderson <rth@redhat.com>
2386 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
2387 New functions split out of md file expanders.
2388 * config/alpha/alpha-protos.h: Declare them.
2389 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
2391 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
2393 * cppmacro.c (funlike_invocation_p): No need to restore context.
2395 2001-09-04 Richard Henderson <rth@redhat.com>
2397 * reload.c (push_reload): Export.
2398 * reload.h (push_reload): Declare it.
2400 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
2401 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2402 * config/alpha/alpha.c (alpha_legitimize_address): New.
2403 (alpha_legitimize_reload_address): Likewise.
2404 * config/alpha/alpha-protos.h: Declare them.
2406 2001-09-04 Stan Shebs <shebs@apple.com>
2408 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
2409 * config/darwin.c (machopic_stub_name): Account for internally
2410 generated lib calls such as memcpy.
2412 2001-09-04 Richard Henderson <rth@redhat.com>
2414 * unwind.h (_UA_END_OF_STACK): New flag.
2415 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
2417 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
2419 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
2421 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
2423 * config/mips/mips.c (save_restore_insns): Change base_offset to
2424 fp_offset in second call to mips_emit_frame_related_store.
2426 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
2428 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
2429 sometimes be represented as a NOTE of type
2430 NOTE_INSN_DELETED_LABEL.
2431 (Insns): Document NOTE_INSN_DELETED_LABEL.
2433 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
2435 * c-common.h (tree_dump_index): Add more comments.
2436 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
2437 (dump_option_value_info): New struct.
2438 (dump_options): New array.
2439 (dump_switch_p): Parse switch options symbolically.
2440 * doc/invoke.texi (-fdump-ast): Rename to ...
2441 (-fdump-tree): ... here. Document that options are symbolic, and
2442 not all are applicable.
2444 2001-09-04 David S. Miller <davem@redhat.com>
2446 * config/sparc/sparc.md (define_splits): Kill constraints.
2448 Cleanup redundant and unused insn attributes.
2449 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
2450 binary, and move. Mark ialu as default.
2451 (commented out define_function_unit "alu"): Kill.
2452 (define_attr "use_clobbered"): Kill.
2453 (whole file): Kill address insn type references. Replace
2454 all unary/binary/move references with ialu.
2455 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
2456 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
2459 Simplify length insn attribute and make more judicious use
2460 of insn attribute defaulting.
2461 * config/sparc/sparc.md (all insns with length > one): Mark as
2462 insn type multi if real instructions, else use default if
2463 it is a forced splitter.
2464 (all insns with length == one): Use default insn length.
2465 (all insns of type ialu): Use default insn type.
2467 Fix erroneous insn attribute settings.
2468 (addx): Set insn type to misc.
2469 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
2470 const_umulsidi3_sp64): Set insn type to imul.
2472 Track SFmode vs DFmode insns according to UltraSPARC
2474 * config/sparc/sparc.md ("fptype"): New attribute, default
2476 (all DFmode single insns): Mark as fptype "double".
2478 2001-09-03 Jakub Jelinek <jakub@redhat.com>
2480 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
2482 2001-09-03 Richard Henderson <rth@redhat.com>
2484 * function.h (struct function): Add arg_pointer_save_area_init.
2485 * function.c (expand_function_end): Init arg_pointer_save_area.
2486 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
2487 when called from a nested function.
2489 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
2491 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
2494 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2496 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
2498 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
2500 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
2501 (emit_push_insn): Use specified padding direction when
2502 STACK_PUSH_CODE is POST_INC.
2504 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
2506 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2508 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
2510 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
2512 * cppinit.c (cpp_start_read): Free the imacros list as we
2513 traverse it. Don't free the chains before returning.
2514 (_cpp_push_next_buffer): Only try pushing buffers if we've
2515 completed -imacros handling.
2517 2001-08-31 Eric Christopher <echristo@redhat.com>
2519 * gcc.c (handle_braces): Add explaination for abort.
2521 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
2523 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
2524 move adjustment of bitpos instead.
2526 2001-08-31 Zack Weinberg <zack@codesourcery.com>
2528 * function.c: Remove all_functions. Make outer_function_chain
2530 (init_function_start): Don't add new function structure to
2532 (find_function_data, push_function_context_to,
2533 pop_function_context_from, put_var_into_stack,
2534 trampoline_address): Update for changed structure element names.
2535 (push_function_context_to): Disentangle.
2536 (free_after_compilation): Also free F.
2537 (expand_dummy_function_end): Don't free cfun here.
2538 (put_var_into_stack): Comment why we can't use find_function_data here.
2539 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
2540 (mark_function_chain): Split into maybe_mark_struct_function and
2541 ggc_mark_struct_function. Export the latter.
2542 (init_function_once): Mark from cfun and outer_function_chain;
2545 * function.h (struct function): Kill next_global. Rename next
2546 to outer. All users updated to match.
2547 (all_functions, outer_function_chain): Don't declare.
2549 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
2550 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
2551 don't touch f->inlinable, after calling rest_of_compilation.
2553 * tree.h: Forward-declare struct function. Prototype
2554 ggc_mark_struct_function.
2556 2001-08-31 Kazu Hirata <kazu@hxi.com>
2558 * config/h8300/h8300.md (*andorhi3): Fix typos.
2560 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2562 * calls.c (emit_library_call_value): Don't use a fixed
2563 argument after VA_CLOSE, i.e. out of scope in traditional C.
2565 * emit-rtl.c (gen_rtvec): Likewise.
2567 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2569 * Makefile.in (c-pragma.o): Depend on output.h.
2570 (reorg.o): Depend on except.h.
2572 * c-pragma.c: Include output.h.
2574 * reorg.c: Include except.h.
2576 * unwind-dw2.c: Call __builtin_alloca, not alloca.
2578 2001-08-31 Richard Henderson <rth@redhat.com>
2580 * sched-deps.c (add_dependence): Don't elide dependancy if the
2581 conditional used by insn is modified in elem.
2583 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
2585 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
2587 2001-08-31 Diego Novillo <dnovillo@redhat.com>
2589 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
2592 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2594 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2596 (stormy16_asm_out_constructor): New function.
2597 (TARGET_ASM_CONSTRUCTOR): Define.
2598 (TARGET_ASM_DESTRUCTOR): Define.
2600 2001-08-31 Andreas Jaeger <aj@suse.de>
2602 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
2603 * loop.c (add_label_notes): Likewise.
2604 * reload.c (find_reloads): Likewise.
2605 * config/sh/sh.c (machine_dependent_reorg): Likewise.
2607 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
2609 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
2610 code here. Take _Unwind_{W,Sw}ord*.
2611 (read_encoded_value_with_base): Use them.
2612 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
2614 (extract_cie_info): Simplify read_?leb128 handling.
2615 (execute_stack_op, execute_cfa_program): Likewise.
2616 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2618 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2620 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2621 the frame pointer to pop the stack if convenient.
2623 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2624 Don't use post-increment before combine.
2625 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
2626 a call-saved register.
2628 2001-08-31 Andreas Jaeger <aj@suse.de>
2630 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2633 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2635 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2636 not DIV/MOD, of course.
2638 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2640 * rtl.def: Undo my patch commited 2001-08-27.
2642 * genattrtab.c: Ditto.
2646 * sched-int.h: Ditto.
2648 * target-def.h: Ditto.
2652 * haifa-sched.c: Ditto.
2654 * sched-rgn.c: Ditto.
2656 * sched-vis.c: Ditto.
2658 * Makefile.in: Ditto.
2660 * doc/md.texi: Ditto.
2662 * doc/tm.texi: Ditto.
2664 * doc/contrib.texi: Ditto.
2666 * doc/gcc.texi: Ditto.
2668 * genattrtab.h: Remove it.
2670 * genautomata.c: Remove it.
2672 * genattr.c: Undo my patch and Richard Henderson's patch commited
2675 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2677 * config.gcc (h8300-*-elf*): New case.
2678 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2679 (SUBTARGET_CPP_SPEC): Define.
2680 (EXTRA_SPECS): Define.
2681 (SUBTARGET_EXTRA_SPECS): Define.
2682 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2683 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2685 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2687 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2688 (LIB2FUNCS_EXTRA): Define.
2689 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2690 config/h8300/fixunssfsi.c: New file.
2692 2001-08-30 Kazu Hirata <kazu@hxi.com>
2694 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2695 define_expand to accomodate target-specific attributes.
2696 (anonymous zero_extendqihi2 patterns): New.
2698 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2700 * h8300.md (*andorhi3): New pattern.
2702 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2704 * h8300.c (dosize): Fix test for "sub".
2706 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2708 * c-typeck.c (pointer_diff): Try to eliminate common term before
2711 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2713 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2714 Account for the saves of the FP registers.
2716 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2717 (TEXT_SECTION_ASM_OP): Define.
2718 (INIT_SECTION_ASM_OP): Define.
2719 (FINI_SECTION_ASM_OP): Define.
2720 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2721 (RDATA_SECTION_FUNCITON): Provide prototype.
2723 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2725 * reload1.c (move2add_note_store): Correct typo checking for
2728 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2730 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2731 note should not be considered outside the libcall block.
2733 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2735 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2737 2001-08-29 Kazu Hirata <kazu@hxi.com>
2739 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2741 2001-08-29 Kazu Hirata <kazu@hxi.com>
2743 * config/h8300/h8300-protos.h: Add a prototype for
2745 * config/h8300/h8300.c (emit_logical_op): New.
2746 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2753 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2755 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2756 comparison with rtx INTVAL.
2757 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2759 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2761 2001-08-29 Kazu Hirata <kazu@hxi.com>
2763 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2766 2001-08-29 Kazu Hirata <kazu@hxi.com>
2768 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2769 (reg n) to (mem (pre_dec (reg n))
2770 (anonymous movsi pattern): Likewise.
2772 2001-08-29 Kazu Hirata <kazu@hxi.com>
2774 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2776 2001-08-29 Kazu Hirata <kazu@hxi.com>
2778 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2779 several special constants.
2781 2001-08-29 Kazu Hirata <kazu@hxi.com>
2783 * config/h8300/lib1funcs.asm: Fix comment typos.
2785 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2787 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2788 Fix format specifier warnings.
2790 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2791 inet_makeaddr, semctl): Prototype.
2793 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2794 (save_restore_insns): Use base_offset, not gp_offset.
2796 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2797 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2799 2001-08-29 Richard Henderson <rth@redhat.com>
2801 * bb-reorder.c (function_tail_eff_head): New.
2802 (record_effective_endpoints): Set it.
2803 (fixup_reorder_chain): Use it.
2805 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2807 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2809 2001-08-28 Dale Johannesen <dalej@apple.com>
2811 * config/darwin.c (machopic_function_base_name): Add const
2812 qualifier to a string.
2813 (darwin_encode_section_info): Ditto.
2815 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2817 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2818 function definition.
2820 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2822 * df.h (struct df): Add rts_order variable.
2824 * df.c (df_visit_next_rts): New function.
2825 (df_visit_next): Renamed to df_visit_next_rc
2826 (df_analyse_1): Allocate/compute/free rts_order as well.
2827 (df_rd_global_compute): Use df_visit_next_rc instead of
2829 (df_ru_global_compute): Use df_visit_next_rts instead of
2832 * flow.c (flow_reverse_top_sort_order_compute): New function.
2834 * basic-block.h: Add prototype.
2836 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2838 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2839 blocks, the BB_REACHABLE is now set, rather than aux being
2840 non-NULL. Update the test to reflect this.
2842 2001-08-28 Eric Christopher <echristo@redhat.com>
2844 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2845 config/mips/crti.asm: Ditto.
2847 2001-08-28 Eric Christopher <echristo@redhat.com>
2848 Richard Henderson <rth@redhat.com>
2850 * c-pragma.h (add_weak): Move prototype from here...
2851 * output.h (add_weak): ... to here.
2852 * varasm.c (add_weak): Fix typo.
2853 * config/mips/crti.asm: New file.
2854 * config/mips/crtn.asm: Ditto.
2855 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2856 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2857 (INVOKE__main): Ditto.
2858 (INIT_SECTION_ASM_OP): New.
2859 (FINI_SECTION_ASM_OP): Ditto.
2860 (STARTFILE_SPEC): Add crti.
2861 (ENDFILE_SPEC): Add crtn.
2862 * config/mips/elf64.h: Same.
2863 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2865 * config/mips/vxworks.h: Ditto.
2866 * config/mips/t-elf: Support crti and crtn.
2868 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2870 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2873 2001-08-28 Richard Henderson <rth@redhat.com>
2875 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2876 (one_cmplbi2 splitter): Remove redundant test.
2878 2001-08-28 Dale Johannesen <dalej@apple.com>
2880 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2882 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2884 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2886 2001-08-28 Stan Shebs <shebs@apple.com>
2888 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2889 (UNALIGNED_SHORT_ASM_OP): Define.
2890 (UNALIGNED_INT_ASM_OP): Define.
2892 2001-08-28 Will Cohen <wcohen@redhat.com>
2894 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2895 generation for first set.
2897 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2899 * flow.c (redirect_edge_succ_nodup): Return new edge.
2900 (try_simplify_condjump): Use new edge.
2901 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2903 * cse.c (cse_basic_block): Skip note instructions.
2905 2001-08-27 Richard Henderson <rth@redhat.com>
2907 * combine.c (combine_simplify_rtx): Don't reverse condition
2908 if there is no reverse for the condition.
2909 (simplify_comparison): Don't simplify subregs from INT to FP.
2911 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2912 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2913 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2914 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2915 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2916 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2918 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2920 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2921 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2923 (adddi_dilshr32, adddi_dishl32): Only data register can be
2924 source for mem destination.
2926 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2927 and use bitnum to decide about register move.
2929 2001-08-27 Richard Henderson <rth@redhat.com>
2931 * genattr.c (main): Emit state_t even when not doing scheduling.
2933 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2934 Richard Henderson <rth@redhat.com>
2936 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2937 (reg_avail_info, current_bb): ... these.
2938 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2939 (compute_hash_table): Likewise.
2941 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2943 * flow.c (verify_flow_info): Use checksums to verify edges.
2945 2001-08-27 Richard Henderson <rth@redhat.com>
2947 * genautomata.c (expand_automata): Always create a description.
2949 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2951 * optabs.c (expand_binop): Correctly handle the carry in multiword
2952 add/subtract operations.
2954 2001-08-27 Fred Fish <fnf@be.com>
2956 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2959 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2961 * reload.c (find_reloads_toplev): Back out this change:
2963 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2965 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2966 mem if the address is a mode_dependent_address_p.
2968 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2970 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2971 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2972 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2975 * genattr.c (main): New variable num_insn_reservations. Increase
2976 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2977 pipeline hazard recognizer interface.
2979 * genattrtab.h: New file.
2981 * genattrtab.c: Include genattrtab.h.
2982 (attr_printf, check_attr_test, make_internal_attr,
2983 make_numeric_value): Move protypes into genattrtab.h. Define them
2985 (num_dfa_decls): New global variable.
2986 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2987 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2988 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2989 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2991 * genautomata.c: New file.
2993 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2995 * sched-int.h: (curr_state): Add the external definition for
2996 automaton pipeline interface.
2997 (haifa_insn_data): Add comments for members blockage and units.
2999 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3000 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3001 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3002 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3003 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3004 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3005 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
3007 (TARGET_SCHED): Use the new macros.
3009 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
3010 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
3011 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
3012 dfa_bubble): New members in gcc_target.sched.
3014 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
3015 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
3016 (insn_queue): Redefine it as pointer to array.
3017 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
3019 (max_insn_queue_index_macro_value): New variable.
3020 (curr_state, dfa_state_size, ready_try): New varaibles for
3021 automaton interface.
3022 (ready_element, ready_remove, max_issue): New function prototypes
3023 for automaton interface.
3024 (choose_ready): New function prototype.
3025 (insn_unit, blockage_range): Add comments.
3026 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
3027 FUNCTION_UNITS_SIZE == 0.
3028 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
3029 actual_hazard, potential_hazard): Add comments.
3030 (insn_cost): Use cost -1 as undefined value. Remove
3031 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
3033 (ready_element, ready_remove): New functions for automaton
3035 (schedule_insn): Add new code for automaton pipeline interface.
3036 (queue_to_ready): Add new code for automaton pipeline interface.
3037 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
3038 (debug_ready_list): Print newline when the queue is empty.
3039 (max_issue): New function for automaton pipeline interface.
3040 (choose_ready): New function.
3041 (schedule_block): Add new code for automaton pipeline interface.
3042 Print ready list before scheduling each insn.
3043 (sched_init): Add new code for automaton pipeline interface.
3044 Initiate insn cost by -1.
3045 (sched_finish): Free the current automaton state and finalize
3046 automaton pipeline interface.
3048 * sched-rgn.c: Include target.h.
3049 (init_ready_list, new_ready, debug_dependencies): Add new code for
3050 automaton pipeline interface.
3052 * sched-vis.c: Include target.h.
3053 (get_visual_tbl_length): Add code for automaton interface.
3054 (target_units, print_block_visualization): Add comments.
3056 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
3057 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
3058 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
3059 (getruntime.o, genautomata.o): New entries.
3060 (genattrtab.o): Add new dependency file genattrtab.h.
3061 (genattrtab): Add new dependencies. Link it with `libm.a'.
3062 (getruntime.o, hashtab.o): New entries for canadian cross.
3064 * doc/md.texi: Description of automaton based model.
3066 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
3068 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
3069 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
3070 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
3071 TARGET_SCHED_DFA_POST_CYCLE_INSN,
3072 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
3073 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
3074 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
3076 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
3077 MAX_DFA_ISSUE_RATE): New macro descriptions.
3079 * doc/contrib.texi: Add dfa based scheduler contribution.
3081 * doc/gcc.texi: Add more information about genattrtab.
3083 2001-08-27 Diego Novillo <dnovillo@redhat.com>
3085 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
3088 2001-08-27 Richard Henderson <rth@redhat.com>
3090 * function.c (expand_function_end): Don't init arg_pointer_save_area.
3091 (get_arg_pointer_save_area): New. Create an init it here.
3092 (fix_lexical_addr): Use it.
3093 * function.h: Declare it.
3094 * builtins.c (expand_builtin_setjmp_receiver): Use it.
3095 * stmt.c (expand_nl_goto_receiver): Use it.
3097 2001-08-27 Richard Henderson <rth@redhat.com>
3099 * final.c (final_scan_insn): Don't enter APP_ON mode for
3102 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
3103 alignment for assemble_integer for DW_EH_PE_aligned.
3104 * except.c (output_function_exception_table): Likewise.
3106 2001-08-26 Andreas Jaeger <aj@suse.de>
3108 * c-tree.h: Add prototyp for c_sizeof_nowarn.
3110 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
3112 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
3114 2001-08-27 Alan Modra <amodra@bigpond.net.au>
3116 * config/rs6000/rs6000.c (mask_operand): Rewrite without
3118 (mask64_operand): Likewise.
3119 (rldic_operand): Delete.
3120 (includes_lshift64_p): Delete.
3121 (includes_rldic_lshift_p): New function.
3122 (includes_rldicr_lshift_p): New function.
3123 (print_operand): Don't call rldic_operand in case 'W'.
3124 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
3125 (includes_lshift64_p): Remove.
3126 (includes_rldic_lshift_p): Declare.
3127 (includes_rldicr_lshift_p): Declare.
3128 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
3129 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
3130 Replace match_operand rldic_operand predicate with
3131 const_int_operand. Replace includes_lshift64_p condition with
3132 includes_rldic_lshift_p.
3133 <ashldi3_internal 64 bit rldicr patterns>: New.
3135 2001-08-27 Andreas Jaeger <aj@suse.de>
3137 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3138 * errors.c: Likewise.
3139 * final.c: Likewise.
3140 * dwarf2asm.c: Likewise.
3141 * doprint.c (checkit): Likewise.
3142 * diagnostic.c: Likewise.
3143 * collect2.c: Likewise.
3144 * calls.c: Likewise.
3145 * c-semantics.c (build_stmt): Likewise.
3146 * c-format.c (status_warning): Likewise.
3147 * c-errors.c (pedwarn_c99): Likewise.
3148 * builtins.c (validate_arglist): Likewise.
3149 * config/pj/pj.c (pj_printf): Likewise.
3150 * fix-header.c: Likewise.
3152 * gcov.c (fnotice): Likewise.
3153 * gensupport.c (message_with_line): Likewise.
3154 * mips-tfile.c: Likewise.
3155 * protoize.c (notice): Likewise.
3156 * read-rtl.c (fatal_with_file_and_line): Likewise.
3157 * rtl-error.c: Likewise.
3158 * tradcpp.c: Likewise.
3160 * cp/tree.c (build_min_nt): Likewise.
3161 (build_min): Likewise.
3162 * cp/lex.c: Likewise.
3163 * cp/errfn.c: Likewise.
3164 * cp/rtti.c (create_pseudo_type_info): Likewise.
3166 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
3168 * df.c (df_uses_record): Return after recording all uses
3171 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
3173 * df.c (df_insn_modify): Realloc the INSN table here, if
3174 necessary, here, too.
3176 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
3178 * config/mips/mips.c (mips_function_value): Handle complex return
3181 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
3183 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
3185 * reload.c (make_memloc): Copy result if it is still
3186 reg_equiv_memory_loc[regno] on return.
3187 (subst_reloads) [ENABLE_CHECKING]: Check that none of
3188 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
3189 reg_equiv_mem are modified by the substitutions.
3191 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3193 * predict.c (expensive_function_p): New.
3194 * rtl.h (expensive_function_p): Declare.
3195 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
3196 (use_fast_prologue_epilogue): New static variable.
3197 (expand_prologue): Set it; emit short prologues if unset.
3198 (expand_epilogue): Likewise.
3200 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3202 * config.gcc: Add stormy16-*-elf case.
3203 * config/stormy16/stormy-abi: New file.
3204 * config/stormy16/stormy16-lib2.c: New file.
3205 * config/stormy16/stormy16-protos.h: New file.
3206 * config/stormy16/stormy16.c: New file.
3207 * config/stormy16/stormy16.h: New file.
3208 * config/stormy16/stormy16.md: New file.
3209 * config/stormy16/t-stormy16: New file.
3211 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
3213 * i386.h (no-accumulate-outgoing-args): Use proper mask.
3215 2001-08-24 David Edelsohn <edelsohn@gnu.org>
3217 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
3218 descriptor members are pointer size, not constant 4.
3219 * config/rs6000/rs6000.md (define_splits): Remove more unused
3222 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3224 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
3226 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
3228 * cp/rtti.c (VPARAMS): Fix parameter.
3230 2001-08-24 Zack Weinberg <zackw@panix.com>
3232 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
3234 (mode_for_extraction): No need for #ifdefs. Add default-case abort
3236 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
3237 in if controlling use of insv.
3238 (extract_bit_field): Likewise, for extv and extzv.
3240 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3242 * i386.md (movcc peep2): Fix load of 0.
3244 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3246 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
3247 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
3249 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
3251 * c-pragma.h: Move weak_syms and weak_decls...
3252 * varasm.c: ...here. Now static.
3253 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
3254 depend on HANDLE_PRAGMA_WEAK.
3256 * c-common.c (c_alignof, c_alignof_expr): Move here...
3257 * c-typeck.c: ...from here.
3258 * c-tree.h, c-common.h: Adjust.
3260 2001-08-23 Bernd Schmidt <bernds@redhat.com>
3262 * config/ia64/ia64.c (rws_update): If !pred, set write_count
3263 instead of incrementing it.
3265 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
3266 asm ready, don't try to move them all into the same array element.
3268 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3270 * function.c (thread_prologue_and_epilogue_insns): Avoid
3271 fallthru flag on edge to exit.
3273 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
3275 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
3278 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3280 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
3281 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
3282 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
3285 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
3287 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
3288 replace "GNU CC" with "GCC".
3290 2001-08-23 Richard Henderson <rth@redhat.com>
3292 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
3293 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
3294 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
3295 Need GR between FR and not GR_AND_FR.
3296 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
3297 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
3298 AR regs before GR regs.
3299 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3300 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
3301 (REGISTER_MOVE_COST): Update.
3302 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
3304 2001-08-23 Richard Henderson <rth@redhat.com>
3306 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
3309 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
3311 * reload1.c (emit_reload_insns): Don't look for notes
3312 on a NULL store_insn.
3314 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3316 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
3317 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
3318 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
3319 format specifier warnings.
3320 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
3322 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
3324 * config/i386/i386-protos.h: Correct declaration of
3325 i386_pe_asm_named_section.
3327 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
3329 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
3331 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3333 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3335 * cpperror.c (print_location): Don't show _Pragma.
3336 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
3337 and file change callback generation here.
3338 (stack_include_file): Update use of cpp_push_buffer.
3339 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
3340 (struct cpp_buffer): Remove type, pfile members.
3341 * cppinit.c (cpp_handle_option): Use free_chain.
3342 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
3343 (skip_escaped_newlines, get_effective_char, lex_percent): Take
3344 a cpp_reader rather than a cpp_buffer.
3345 (skip_escaped_newlines, get_effective_char, skip_block_comment,
3346 skip_line_comment, parse_string, lex_percent, lex_dot,
3347 _cpp_lex_token): Update accordingly.
3348 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
3350 (cpp_push_buffer): Update prototype.
3351 (run_directive): Update use of cpp_push_buffer.
3352 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
3353 handle_assertion): Update use of run_directive.
3354 * cpplib.h (enum cpp_buffer_type): Remove.
3355 (cpp_push_buffer): Update prototype.
3356 * fix-header.c (read_scan_file): Update.
3358 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3360 * gcc.c (struct prefix_list): Change prefix to const char *.
3362 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3364 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
3366 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
3368 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
3371 * jump.c (squeeze_notes): Take parms by reference. Handle END being
3374 * ifcvt.c (dead_or_predicable): Adjust.
3375 * loop.c (find_and_verify_loops): Adjust.
3376 * stmt.c (expand_end_case): Adjust.
3377 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
3378 head and end insn pointers in the basic block, not just local copies.
3379 (merge_blocks_move_predecessor_nojumps): Likewise.
3381 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
3383 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
3384 bitmap.h, builtin-types.def, builtins.c, builtins.def,
3385 c-aux-info.c, c-common.c, c-common.def, c-common.h,
3386 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
3387 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
3388 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
3389 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
3390 conditions.h, config.gcc, configure.frag, configure.in,
3391 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
3392 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
3393 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
3394 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
3395 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
3396 emit-rtl.c, errors.c, errors.h, except.c, except.h,
3397 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
3398 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
3399 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
3400 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
3401 gencheck.c, gencodes.c, genconfig.c, genemit.c,
3402 genextract.c, genflags.c, gengenrtl.c, genmultilib,
3403 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
3404 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
3405 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
3406 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
3407 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
3408 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
3409 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
3410 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
3411 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
3412 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
3413 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
3414 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
3415 params.h, predict.c, predict.def, predict.h, prefix.c,
3416 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
3417 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
3418 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
3419 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
3420 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
3421 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
3422 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
3423 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
3424 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
3425 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
3426 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
3427 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
3428 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
3429 xcoffout.h: replace "GNU CC" with "GCC".
3431 2001-08-21 Richard Henderson <rth@redhat.com>
3433 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
3434 (final_scan_insn): Consider jump tables data even if we have no
3435 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
3437 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
3438 (ASM_OUTPUT_CASE_END): Remove.
3439 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
3440 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
3441 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
3443 2001-08-21 Richard Henderson <rth@redhat.com>
3445 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
3446 at barrier insns. Emit stop bits before barriers.
3448 * flow.c (flow_find_cross_jump): Don't consider unconditional
3449 return insns for commoning.
3451 * final.c (compute_alignments): Fix typo.
3453 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
3454 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
3455 (store_bit_field): Use mode_for_extraction more places.
3456 (extract_bit_field): Likewise.
3458 2001-08-21 Zack Weinberg <zackw@panix.com>
3460 * caller-save.c: Don't include insn-codes.h.
3461 (reg_save_code, reg_restore_code): Make arrays of int.
3462 All uses updated to match.
3463 (insert_save, insert_restore): No need to initialize "code"
3464 variable upon declaration.
3465 * Makefile.in: update dependencies; fix typo in clean rule.
3467 2001-08-21 Richard Henderson <rth@redhat.com>
3469 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
3470 (merge_if_block): Handle fallout from same.
3472 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3474 * builtins.c (type_to_class): Fix typo in last change.
3476 2001-08-21 Richard Henderson <rth@redhat.com>
3478 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
3479 ia64_asm_output_label.
3481 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
3482 copy of gp while the real gp register contains garbage.
3484 2001-08-21 Zack Weinberg <zackw@panix.com>
3486 * expmed.c (mode_for_extraction): New function.
3487 (store_bit_field, extract_bit_field): Use it.
3488 * expr.h: Prototype it and provide an enum for its first argument.
3490 * combine.c, function.c, recog.c: Don't include insn-codes.h.
3491 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
3492 and digging through the insn_data tables.
3493 * Makefile.in: Update dependencies.
3495 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
3497 * cppfiles.c (stack_include_file): line-map.c now handles include
3499 (handle_missing_handler): Similarly.
3500 (_cpp_execute_include): Similarly.
3501 (_cpp_pop_file_buffer): Similarly.
3502 * cpphash.h (struct cpp_reader): Remove system_include_depth,
3503 buffer_stack_depth and include_depth.
3504 * cpplib.c (do_include_common): line-map.c now handles include depth.
3505 (cpp_push_buffer): Similarly.
3506 (_cpp_pop_buffer): Similarly.
3507 * cppmacro.c (builtin_macro): Update.
3508 * line-map.c (init_line_maps): Set depth.
3509 (add_line_map): Increment "used" earlier. Update and use the
3511 (trace_include): Use the include depth.
3512 * line-map.h (struct line_maps): New member depth.
3514 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3516 * cppfiles.c (stack_include_file): Don't handle -H here.
3517 * cppinit.c (cpp_start_read): Set include tracing after
3518 cpp_post_options and after stacking the main file.
3519 * line-map.c (trace_include): New.
3520 (init_line_maps, add_line_map): Update.
3521 * line-map.h (struct line_maps): New member trace_includes.
3523 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3525 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
3526 * cppfiles.c (stack_include_file): Only stack a file if there
3527 is something to do. Return a boolean indicating whether a
3528 buffer was stacked or not.
3529 (_cpp_execute_include): Similarly.
3530 (_cpp_read_file): Similarly.
3531 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
3533 2001-08-21 Sam Steingold <sds@gnu.org>
3535 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
3536 (RECACHE): keep obufp_before_macroname up to date
3538 2001-08-21 Zack Weinberg <zackw@panix.com>
3540 * stmt.c: Don't include insn-codes.h.
3541 (expand_end_case): Machine specific logic moved to expr.c.
3542 No need to worry about __builtin_classify_type.
3543 (check_for_full_enumeration_handling, emit_case_nodes):
3546 * builtins.o (expand_builtin_classify_type): Split up so code
3547 can be shared with fold_builtin_classify_type.
3548 (type_to_class, fold_builtin_classify_type): New functions.
3549 (fold_builtins): Handle __builtin_classify_type.
3551 * expr.c (do_tablejump): Now static.
3552 (case_values_threshold, try_casesi, try_tablejump): New;
3553 code mostly from stmt.c (expand_end_case).
3554 (expr.h): Update prototypes.
3556 * Makefile.in (stmt.o): Update dependencies.
3558 2001-08-21 Will Cohen <wcohen@redhat.com>
3560 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
3561 declaration of variable i.
3562 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
3563 declaration of variable i.
3565 2001-08-21 Richard Henderson <rth@redhat.com>
3567 * crtstuff.c: Fix thinko last change. Move list tails to start
3568 of CRT_END section. Tidy ifdefs.
3569 (__EH_FRAME_BEGIN__): Always static for ELF.
3570 (__do_global_ctors_1): Rename from __frame_dummy.
3571 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
3572 name change; don't hide __EH_FRAME_BEGIN__.
3574 2001-08-21 Richard Henderson <rth@redhat.com>
3576 * gdbinit.in: Move break on exit after break on fancy_abort.
3578 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
3581 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
3583 * cpphash.h (_cpp_push_next_buffer): New.
3584 * cppinit.c (do_includes): Remove.
3585 (push_include, free_chain, _cpp_push_next_buffer): New.
3586 (cpp_start_read): Use them to rework command line option handling.
3587 (cpp_handle_option): Combine handling of -include and -imacros.
3588 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
3589 appropriate. Always insert missing \n at EOF.
3590 * cpplib.c (start_directive): Get the directive position right.
3591 * cppmain.c (cb_file_change): Always print the first line, unless
3594 2001-08-20 Andreas Jaeger <aj@suse.de>
3596 * profile.c (compute_branch_probabilities): Remove extra new-line
3598 * flow.c (verify_flow_info): Likewise.
3600 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3602 * basic-block.h (basic_block): Add new field 'flags'.
3603 (BB_REACHABLE): Define.
3604 (expunge_block): Declare.
3605 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
3606 (EXIT_BLOCK_PTR): Ditto.
3607 (expunge_block): Remove static declaration.
3608 (cleanup_cfg): Clear bb->aux on every basic block.
3609 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
3610 computing reachability.
3611 (delete_unreachable_blocks): Delete block b if b->flags has
3614 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3616 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3618 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3620 * sparc.c (sparc_variable_issue): Fix typo in last change.
3622 2001-08-20 Richard Henderson <rth@redhat.com>
3624 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
3626 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
3628 * pa.h (RETURN_IN_MEMORY): Improve comment.
3630 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3632 * doc/invoke.texi (Profiling options): Clarify the interactions
3633 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3635 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3637 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3640 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3642 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3645 2001-08-20 Richard Henderson <rth@redhat.com>
3647 * final.c (end_final): Fix typo last change.
3649 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3651 * cppinit.c (init_standard_includes): The returned buffer
3652 is already malloc-ed.
3653 * gcc.c (add_prefix): Similarly.
3654 * prefix.c (translate_name): Update to support clear buffer
3656 (update_path): Similarly. Be sure to free any newly allocated
3657 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3659 * prefix.h (update_path): Update prototype and document.
3660 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3661 up and update to new buffer ownership rules.
3662 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3664 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3666 * final.c (compute_alignments): New function.
3667 (init_insn_lengths): Do not care label_align.
3668 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3669 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3670 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3671 (shorted_branches): Realloc label_align array; do
3672 not call init_insn_lengths; Do not care about loop alignments.
3673 * output.h (compute_alignments): Declare.
3674 * toplev.c (rest_of_compilation): Call compute_alignments.
3675 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3677 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3678 change visited to tovisit.
3679 (propagate_freq): Use faster traversing algorithm.
3680 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3681 to tovisit; reverse meaning.
3683 * predict.c (struct block_info_def): Remove nvisited.
3684 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3685 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3687 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3689 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3690 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3691 (TARGET_FUSED_MADD): New.
3692 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3693 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3694 the multiply-add instructions.
3696 2001-08-19 Richard Henderson <rth@redhat.com>
3698 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3699 is aligned to pointer size.
3701 2001-08-19 Richard Henderson <rth@redhat.com>
3703 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3704 display markers during final schedule.
3706 2001-08-19 Richard Henderson <rth@redhat.com>
3708 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3710 2001-08-19 Richard Henderson <rth@redhat.com>
3712 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3714 (ASM_NAME_TO_STRING): Remove.
3715 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3716 in the same string. Remove support for expressions.
3718 2001-08-19 Richard Henderson <rth@redhat.com>
3720 * config/i386/i386.md (tablejump): Make an expander; handle
3721 pic relative addressing here.
3722 (tablejump_1): Rename from tablejump_pic.
3725 2001-08-19 Richard Henderson <rth@redhat.com>
3727 * regclass.c (fix_register): Fix typo.
3729 2001-08-18 Richard Henderson <rth@redhat.com>
3731 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3732 (struct _Unwind_Context): Expand br_loc to hold it.
3733 (uw_frame_state_for): Handle leaf functions better.
3734 (uw_update_reg_address): Update for br_loc change.
3736 2001-08-18 Richard Henderson <rth@redhat.com>
3738 * crtstuff.c: Move list heads before code that uses them.
3739 (__JCR_LIST__): Remove initial null.
3740 (frame_dummy, __frame_dummy): Do java registration here ...
3741 (__do_global_ctors_aux): ... not here.
3743 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3744 (__do_global_dtors_aux): Update to match.
3745 (__JCR_LIST__, __do_jv_register_classes): New.
3747 * config/ia64/crtend.asm (__JCR_END__): New.
3748 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3749 instead of an indirect LTOFF22 reloc.
3751 2001-08-18 Richard Henderson <rth@redhat.com>
3753 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3754 * regclass.c (init_reg_sets_1): Fix typo.
3755 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3756 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3757 (ia64_compute_frame_size): Make ar.unat live when in use.
3758 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3759 for ar.pfs; remove ar.unat handling.
3760 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3762 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3763 * config/ia64/ia64-protos.h: Update decls.
3764 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3765 (sibcall_pic): Likewise.
3767 2001-08-18 Richard Henderson <rth@redhat.com>
3769 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3770 pred_rel_mutex when searching for insn_group_barrier.
3771 * config/ia64/ia64.md (cycle_display): Combine the expander
3774 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3775 bit before asm as needed.
3777 2001-08-18 Richard Henderson <rth@redhat.com>
3779 * timevar.def (TV_MACH_DEP): New.
3780 * toplev.c (rest_of_compilation): Use it.
3781 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3783 2001-08-18 Zack Weinberg <zackw@panix.com>
3785 * unwind-dw2.c (execute_stack_op): Add default aborts to
3786 the inner switches to prevent warnings.
3788 2001-08-18 Richard Henderson <rth@redhat.com>
3790 * timevar.h (struct timevar_time_def): Change element type to float.
3791 (ticks_to_msec, clocks_to_msec): Likewise.
3792 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3793 (get_time): Likewise.
3794 (timevar_print): Adjust zero check and printing to match.
3796 2001-08-18 Zack Weinberg <zackw@panix.com>
3798 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3799 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3800 Eliminate overfull or underfull hboxes.
3802 2001-08-18 Zack Weinberg <zackw@panix.com>
3804 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3806 2001-08-18 Zack Weinberg <zackw@panix.com>
3808 * haifa-sched.c: Convert to target hooks. Macros replaced
3809 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3810 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3811 MD_SCHED_FINISH, and HAVE_cycle_display.
3812 * target-def.h (TARGET_SCHED_ADJUST_COST,
3813 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3814 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3815 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3816 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3817 New hook #defines to be overridden.
3818 (TARGET_SCHED): Bring them all together.
3819 (TARGET_INITIALIZER): Update.
3820 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3821 instead of 'struct rtx_def *' throughout.
3822 (struct sched): New set of hooks for the scheduler.
3823 * Makefile.in (haifa-sched.o): Depend on target.h.
3824 * doc/tm.texi: Document the new scheduler hooks, together in
3825 their own section, instead of scattered around.
3826 Fix a bunch of underfull/overfull hboxes.
3828 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3829 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3830 sparc.h: Don't define any of the old scheduler macros.
3832 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3833 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3834 sparc.c: Create hook functions from code extracted from
3835 corresponding target header, or make existing hooks static, as
3836 appropriate. Set the appropriate entries in targetm.
3838 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3839 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3840 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3841 Remove prototypes for functions which are now static.
3843 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3844 related gunk; the Haifa scheduler is now the only choice.
3846 2001-08-18 Zack Weinberg <zackw@panix.com>
3848 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3849 * genopinit.c: Put floating point divide insns in sdiv_optab.
3850 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3851 * config/gofast.h, config/c4x/c4x.h,
3852 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3853 config/pa/long_double.h, config/rs6000/sysv4.h,
3854 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3855 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3856 (init_optabs): Use init_optabv for overflow-trapping optabs.
3857 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3858 cmp_optab RTX codes so have_insn_for can find them.
3860 * optabs.c (expand_simple_binop, expand_simple_unop,
3861 have_insn_for, gen_sub3_insn): New interfaces.
3862 * expr.h: Prototype new functions.
3863 (enum optab_methods): Move here from optabs.h.
3865 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3866 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3867 Use new functions instead of working directly with optabs.
3868 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3869 unroll.c: Don't include optabs.h.
3870 * caller-save.c, combine.c, function.c, stmt.c: Just include
3871 insn-codes.h, not optabs.h.
3872 * Makefile.in: Update dependencies.
3874 * combine.c (make_compound_operation, simplify_comparison):
3875 Fix typos testing for this or that instruction.
3877 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3879 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3880 generating libgcc.a.
3882 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3884 * except.c (TYPE_HASH): Delete.
3886 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3889 * tree.c (TYPE_HASH): Delete.
3891 * tree.h (TYPE_HASH): Define.
3893 2001-08-18 Graham Stott <grahams@redhat.com>
3895 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3897 (adddi3_internal_2+2): Likewise.
3898 (eh_set_lr_di+1): Likewise.
3900 2001-08-17 Richard Henderson <rth@redhat.com>
3902 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3903 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3904 * dwarf2asm.c: ... here.
3905 * dwarfout.c: Remove them.
3907 * varasm.c (assemble_integer): Add align parameter.
3908 (assemble_real, output_constant, output_constructor): Likewise.
3909 * output.h: Update decls.
3910 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3911 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3912 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3913 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3914 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3917 * final.c (end_final): Abort profile block generation if we
3918 havn't layed it out properly.
3919 * output.h (assemble_eh_integer): Remove stale decl.
3920 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3922 (assemble_integer): Handle unaligned data.
3923 (assemble_real): Abort on unaligned data.
3924 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3926 (default_dtor_section_asm_out_destructor): Use assemble_align.
3927 (default_named_section_asm_out_constructor): Likewise.
3928 (default_ctor_section_asm_out_constructor): Likewise.
3929 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3930 (machopic_asm_out_destructor): Likewise.
3931 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3932 (nextstep_asm_out_destructor): Likewise.
3933 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3934 (vms_asm_out_destructor): Likewise.
3936 2001-08-17 Richard Henderson <rth@redhat.com>
3938 * config/mips/iris6.h (TARGET_IRIX6): New.
3939 (current_section_name, current_section_flags): New.
3940 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3941 (MAX_OFILE_ALIGNMENT): New.
3942 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3943 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3944 (copy_file_data): Split out from
3945 (mips_asm_file_end): ... here.
3946 (mips_asm_file_start): Remove extra .section directive. Use
3947 tmpfile instead of mips_make_temp_file.
3948 (mips_unique_section): Use const char * as needed for warnings.
3949 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3950 re-add align parameter.
3951 (iris6_asm_named_section): New.
3952 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3953 (iris6_asm_output_align, iris6_section_align_1): New.
3954 (iris6_asm_file_start, iris6_asm_file_end): New.
3955 * config/mips/mips-protos.h: Update decls.
3957 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3959 * doc/install.texi (Install GCC): Add links to build status pages.
3961 (Final install): Ditto; request updates for specific info
3963 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3965 * cpperror.c (print_location): Don't take a file name; use the
3967 (_cpp_begin_message): Similarly.
3968 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3969 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3970 (cpp_pedwarn_with_file_and_line): Remove.
3971 * cppfiles.c (stack_include_file): Update; set filename to stdin
3972 here when appropriate.
3973 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3974 (_cpp_begin_message): Don't take a file name.
3975 * cppinit.c: Add comment.
3976 * cpplex.c: Fix end-of-directive indicator.
3977 * cpplib.c: Don't include intl.h.
3978 (run_directive, do_diagnostic): Update.
3979 (do_line): Update to not use nominal_fname.
3980 (cpp_push_buffer): Don't take a filename.
3981 * cpplib.h (struct ht): Remove.
3982 (cpp_push_buffer): Don't take a filename.
3983 (cpp_pedwarn_with_file_and_line): Remove.
3984 * cppmacro.c (struct cpp_macro): Remove file.
3985 (builtin_macro): Update.
3986 (_cpp_create_definition): Update.
3987 * cppmain.c: Correct comment.
3988 * fix-header.c (read_scan_file): Update.
3990 2001-08-17 Kazu Hirata <kazu@hxi.com>
3992 * sbitmap.c: Fix comment formatting.
3993 * sched-deps.c: Likewise.
3994 * sibcall.c: Likewise.
3995 * simplify-rtx.c: Likewise.
3997 * ssa-ccp.c: Likewise.
3998 * stor-layout.c: Likewise.
3999 * timevar.c: Likewise.
4000 * toplev.c: Likewise.
4001 * unwind-dw2.c: Likewise.
4002 * unwind-dw2-fde.c: Likewise.
4003 * varasm.c: Likewise.
4005 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4007 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
4008 or larger than an integer in memory.
4010 2001-08-17 Zack Weinberg <zackw@panix.com>
4012 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
4013 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
4014 * rtl.h: Don't forward-declare union tree_node here. Don't
4015 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
4016 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4017 and tree respectively.
4018 * tree.h: Don't forward-declare struct rtx_def here. Don't
4019 typedef tree here. Change all uses of struct rtx_def *,
4020 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
4021 and tree respectively.
4023 2001-08-17 Richard Henderson <rth@redhat.com>
4025 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
4026 config/mips/openbsd.h: Fix typos last change.
4028 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4030 * doc/invoke.texi (Optimize Options): The default for
4031 -finline-limit is 600.
4033 2001-08-17 Richard Henderson <rth@redhat.com>
4035 * varasm.c (text_section): Allow TEXT_SECTION to override the
4036 printing of TEXT_SECTION_ASM_OP.
4037 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
4038 (DATA_SECTION, BSS_SECTION): Remove.
4039 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
4040 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
4041 Rename from s/_NAME//.
4042 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
4043 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
4044 (TEXT_SECTION): ... here. New.
4045 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
4046 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
4047 * config/mips/openbsd.h: Likewise.
4048 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
4049 (mips_asm_file_end): Likewise test.
4050 (mips_output_function_epilogue): Likewise. Switch back to data
4051 section after emitting the function.
4053 * doc/tm.texi (Sections): Document TEXT_SECTION.
4055 2001-08-17 Richard Henderson <rth@redhat.com>
4057 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
4058 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
4060 2001-08-17 Richard Henderson <rth@redhat.com>
4062 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
4063 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
4064 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
4065 Add aligned attribute.
4067 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
4069 * config/sh/sh.md: Add modes to unspecs in first insn to match
4070 those in the second.
4072 * Makefile.in: Fix collect2 copy for Cygwin.
4074 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
4076 Install the proper patch.
4077 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4078 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4079 (expand_function_start): Likewise.
4080 * stmt.c (expand_decl): Likewise.
4081 * varasm.c (make_decl_rtx): Likewise.
4083 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4085 * final.c: Undo my previous accidental checkin.
4086 * output.h: Likewise.
4087 * tm.texi: Likewise.
4089 2001-08-16 Richard Henderson <rth@redhat.com>
4091 * varasm.c (named_section_flags): Remove align parameter.
4092 * varasm.c, dwarf2out.c: Update all callers.
4093 * output.h: Update prototypes.
4095 * target.h (target.asm_out.named_section): Remove align parameter.
4096 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
4097 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
4098 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
4099 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
4100 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
4102 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
4103 (get_named_section_flags, set_named_section_flags): New.
4104 (named_section_flags): Use them.
4105 (named_section): Do decl vs section flags check here...
4106 (default_section_type_flags): ... not here.
4107 (init_varasm_once): Create in_named_htab.
4108 (resolve_unique_section): Mark reloc unused.
4110 2001-08-16 Richard Henderson <rth@redhat.com>
4112 * varasm.c (force_const_mem): Keep pool alignment in bits.
4113 (output_constant_pool): Use assemble_align.
4115 2001-08-16 Zack Weinberg <zackw@panix.com>
4117 * doc/tm.texi: Remove extra @table command.
4119 2001-08-16 Zack Weinberg <zackw@panix.com>
4121 * final.c (shorten_branches): Clear the end of the label_align
4122 array only if we made it larger. Break up messy expressions
4125 * diagnostic.c (internal_error): Check for error recursion
4126 before doing ICE suppression.
4128 * timevar.c: Timing variables now count in milliseconds.
4129 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
4130 (get_time): Not here.
4131 (timevar_print): Don't print any timer whose user, cpu, and
4132 wall times are all zero as displayed.
4133 * timevar.h: Update comment aboout units. Make timevar
4136 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4138 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
4139 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
4140 (expand_function_start): Likewise.
4141 * stmt.c (expand_decl): Likewise.
4142 * varasm.c (make_decl_rtx): Likewise.
4144 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
4146 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
4147 (finalize_record_size): Don't set TYPE_USER_ALIGN.
4149 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4151 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
4154 2001-08-16 Andreas Jaeger <aj@suse.de>
4156 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
4159 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
4161 * rtl.h (only_sets_cc0_p): New prototype.
4162 * jump.c (sets_cc0_p): Handle INSN.
4163 (only_sets_cc0_p): New function.
4164 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
4165 (tidy_fallthru_edge): Likewise.
4166 * integrate.c (copy_insn_list): Likewise.
4167 * unroll.c (unroll_loop): Likewise.
4168 (copy_loop_body): Likewise.
4170 2001-08-15 Jason Eckhardt <jle@redhat.com>
4172 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
4174 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4176 * predict.c (struct block_info_def): Remove nvisited.
4177 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
4178 (estimate_bb_frequencies): Call mark_dfs_back_edges.
4180 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
4181 (ix86_adjust_cost): Teach scheduler that latency to load operand can
4184 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
4186 * predict.def: Update hitrates.
4188 2001-08-15 Richard Henderson <rth@redhat.com>
4190 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
4192 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
4194 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
4195 note from its associated jump.
4197 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4199 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
4200 also on 64-bit s390x targets.
4202 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
4204 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
4206 (arm_expand_prologue): Handled nested functions which take a
4207 variable argument list.
4208 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
4209 macro with an invocation of
4210 arm_compute_initial_elimination_offset.
4211 * config/arm/arm-protos.h: Prototype
4212 arm_compute_initial_elimination_offset.
4214 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4216 * doc/install.texi (Specific, avr): Fix markup.
4217 (Specific, c4x): Ditto.
4219 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4221 * predict.c (dump_prediction): Change `bool' parameter to `int'.
4223 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
4225 * Makefile.in (OBJS): Add rtl-error.o
4226 (rtl-error.o): New rule.
4227 (diagnostic.o): Adjust dependency.
4228 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
4229 error_for_asm, _fatal_insn, _fatal_insn_not_found,
4230 warning_for_asm): Move to...
4231 rtl-error.c: ...here. New file.
4233 2001-08-14 Richard Henderson <rth@redhat.com>
4235 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
4236 if USING_SJLJ_EXCEPTIONS.
4238 2001-08-14 Steve Ellcey <sje@cup.hp.com>
4240 * tlink.c (scan_linker_output): Check string for unsatisfied in
4241 addition to undefined and unresolved.
4243 2001-08-14 Graham Stott <grahams@redhat.com>
4245 * libgcc2.c (*): Replace EH_FRAME_SECTION with
4246 EH_FRAME_SECTION_NAME.
4248 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4250 * genattrtab.c (simplify_test_exp_in_temp): New function.
4251 (simplify_test_exp): Avoid explicit use of temporary obstack.
4252 (simplify_cond, insert_right_side, evaluate_eq_attr,
4253 simplify_and_tree, simplify_or_tree, eliminate_known_true):
4254 Use simplify_test_exp_in_temp.
4255 (optimize_attrs): Iterate until expression stabilizes.
4257 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
4259 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
4260 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
4262 2001-08-13 Richard Henderson <rth@redhat.com>
4264 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
4265 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
4266 * config/arm/conix-elf.h: Likewise.
4268 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4270 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
4272 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
4274 * gcse.c (hash_scan_set): Expressions that are set as part of
4275 jump instructions are not available.
4277 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4279 * config/s390/s390.c (print_operand, s390_function_prologue,
4280 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
4282 2001-08-13 Richard Henderson <rth@redhat.com>
4284 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
4285 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
4286 * doc/tm.texi (Exception Region Output): Document it.
4288 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
4290 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
4291 DWARF2 instead of stabs by default.
4293 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4295 * config/rs6000/rs6000.c: Include optabs.h.
4297 2001-08-13 David Edelsohn <edelsohn@gnu.org>
4299 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
4300 save/restore routines.
4301 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
4303 2001-08-13 Andreas Jaeger <aj@suse.de>
4305 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
4306 the english is correct.
4308 2001-08-13 Zack Weinberg <zackw@panix.com>
4310 * expr.h: Split out optab- and libfunc-related code to...
4311 * optabs.h, libfuncs.h: ... these new headers.
4313 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
4315 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
4317 * mkconfig.sh: Don't include insn-codes.h from config.h.
4319 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
4320 enum insn_code is available. Move reload_in_optab and
4321 reload_out_optab array declarations to optabs.h.
4322 * regmove.c (gen_add3_insn): Move to optabs.c, export from
4323 there, prototype in expr.h.
4324 * gencodes.c: Cleanup: zap global variables, don't use
4325 printf where puts will do, don't bother defining MAX_INSN_CODE
4326 which nothing uses, let CODE_FOR_nothing get its value implicitly.
4328 * genemit.c, genopinit.c: Include optabs.h in generated file.
4329 * genoutput.c: Include insn-codes.h in generated file.
4330 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
4331 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
4332 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
4333 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
4334 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
4335 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
4337 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
4338 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
4339 config/m88k/m88k.c, config/sparc/sparc.c:
4341 * reload.c: Include expr.h and optabs.h before reload.h.
4342 * config/alpha/alpha.c: Include tree.h before reload.h.
4343 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
4344 and reload.h in that order.
4345 * config/sparc/sparc.c: Include debug.h.
4346 * recog.c: Include insn-codes.h.
4348 2001-08-13 Andreas Jaeger <aj@suse.de>
4350 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
4353 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4355 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
4356 * gcc.c (init_spec): Fix typo in comment.
4357 * varasm.c (data_section): Fix typo in comment.
4359 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4361 * predict.c (dump_prediction): New argument "USED".
4362 (combine_predictions_for_insn): Determine the used heuristics,
4363 output the case no heuristic applied.
4364 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
4366 2001-08-13 Andreas Jaeger <aj@suse.de>
4368 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
4371 2001-08-13 Kazu Hirata <kazu@hxi.com>
4373 * jump.c: Fix formatting.
4375 2001-08-13 Kazu Hirata <kazu@hxi.com>
4377 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
4380 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
4382 * loop.c (check_dbra_loop): Use condjump_label to compute
4385 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
4386 to better document the files they're in.
4388 2001-08-12 Zack Weinberg <zackw@panix.com>
4390 * recog.h (struct insn_operand_data): Shrink 'mode' field
4393 2001-08-12 Kazu Hirata <kazu@hxi.com>
4395 * gcc.c: Fix comment formatting.
4396 * gccspec.c: Likewise.
4399 * genemit.c: Likewise.
4400 * gengenrtl.c: Likewise.
4401 * genrecog.c: Likewise.
4402 * gensupport.c: Likewise.
4403 * ggc-page.c: Likewise.
4404 * global.c: Likewise.
4405 * graph.c: Likewise.
4406 * ifcvt.c: Likewise.
4407 * integrate.c: Likewise.
4409 * libgcc2.c: Likewise.
4411 * mbchar.c: Likewise.
4412 * optabs.c: Likewise.
4413 * predict.c: Likewise.
4414 * prefix.c: Likewise.
4415 * profile.c: Likewise.
4416 * protoize.c: Likewise.
4418 * recog.c: Likewise.
4419 * regclass.c: Likewise.
4420 * regmove.c: Likewise.
4421 * reg-stack.c: Likewise.
4422 * reload1.c: Likewise.
4423 * resource.c: Likewise.
4424 * rtlanal.c: Likewise.
4427 2001-08-12 Kazu Hirata <kazu@hxi.com>
4429 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
4430 a tree representing a constant is passed to the macro.
4432 2001-08-12 Richard Henderson <rth@redhat.com>
4434 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
4435 (rs6000_elf_asm_out_destructor): New.
4436 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
4437 (DTORS_SECTION_ASM_OP): Remove.
4438 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4439 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
4441 2001-08-12 David Edelsohn <edelsohn@gnu.org>
4444 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4445 * gcc.c (set_collect_gcc_options): New function, split out from
4447 Ignore elided switches.
4448 (do_spec_1): Invoke before executing command.
4449 (set_input): Export.
4450 Move declaration ...
4451 * gcc.h (set_input): ... here.
4452 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4455 2001-08-12 Richard Henderson <rth@redhat.com>
4457 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
4458 thinko wrt TARGET_RELOCATABLE.
4460 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
4462 * fix-header.c (cb_file_change): Update prototype.
4464 2001-08-11 Zack Weinberg <zackw@panix.com>
4466 * toplev.c (set_float_handler): Make static.
4467 * toplev.h: Don't prototype set_float_handler.
4469 * simplify-rtx.c: Don't include setjmp.h.
4470 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
4472 (simplify_unary_operation, simplify_binary_operation): Use them,
4473 via do_float_handler.
4475 * fold-const.c: Don't include setjmp.h.
4476 (exact_real_inverse_1): New function.
4477 (exact_real_inverse): Use it, via do_float_handler.
4479 * varasm.c: Don't include setjmp.h.
4480 (assemble_real_1): New function.
4481 (assemble_real): Use it, via do_float_handler.
4482 Call internal_error if we get a trap here.
4484 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
4485 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
4487 2001-08-11 Zack Weinberg <zackw@panix.com>
4489 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
4490 STACK_BOUNDARY if not already defined.
4492 * calls.c, function.c, reload1.c, explow.c: Don't default
4493 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
4494 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
4496 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
4499 * doc/tm.texi: Document that STACK_BOUNDARY is required;
4500 clarify difference between it and PREFERRED_STACK_BOUNDARY.
4502 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4504 * cppmacro.c (enter_macro_context): Push macro expansions even
4507 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4509 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
4510 (rs6000_elf_section_type_flags): Actually return a value.
4512 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4514 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
4515 Clean up code: add missing comments and prototypes, fix warnings,
4516 remove obsolete code, fix spacing to conform to coding style.
4518 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
4520 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
4521 and TARGET_ASM_CLOSE_PAREN.
4522 (regclass_map): CC register belongs to class NO_REGS.
4523 (legitimize_pic_address): Don't generate unnecessary moves
4524 (to avoid confusing loop optimization).
4525 (check_and_change_labels): Replace jump_long by indirect_jump.
4526 (s390_final_chunkify): Don't start a new literal pool on section
4527 switch in 64-bit code.
4528 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
4530 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
4531 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
4532 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
4534 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
4535 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
4536 (CONST_COSTS): Fixed incorrect costs.
4538 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
4539 Use emit_jump instead of emit_jump_insn (gen_jump).
4540 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
4541 (to avoid confusing flow analysis).
4542 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
4543 (casesi, casesi_jump): New.
4544 (jump_long): Removed. Functionality merged into indirect_jump.
4545 (indirect_jump): Accept address_operand, not just register_operand.
4546 (cjump_long, icjump_long): Use same logic as indirect_jump.
4547 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
4548 Fixed broken setjmp/longjmp handling.
4549 (do_builtin_setjmp_setup): Removed.
4551 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
4552 broken GNU as versions that don't accept .quad with large
4553 negative values. Use hexadecimal output instead.
4554 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
4555 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
4556 FUNCTION_EPILOGUE): Removed. Now in targetm.
4558 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
4560 * config/s390/fixdfdi.h: Add missing copyright statement.
4561 Fix type conflicts on 64-bit. Add missing SFmode routines.
4563 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
4566 2001-08-11 Richard Henderson <rth@redhat.com>
4568 * rtl.h (REG_EH_RETHROW): Remove.
4569 * rtl.c (reg_note_name): Update.
4570 * combine.c (distribute_notes): Don't check for it.
4572 2001-08-11 Richard Henderson <rth@redhat.com>
4574 * combine.c (distribute_notes): Place REG_SETJMP.
4576 2001-08-11 Richard Henderson <rth@redhat.com>
4578 * doc/extend.texi (Arrays and pointers implementation): Discourage
4579 relying on sign-extension of pointers.
4581 2001-08-11 H.J. Lu <hjl@gnu.org>
4583 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
4585 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
4586 RDATA_SECTION_ASM_OP.
4588 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4590 * doc/install.texi (Specific, c4x): Fix cross-reference to the
4591 main manual to work both for info and HTML versions.
4593 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4594 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4596 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4597 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4598 (struct cpp_pool): New member first.
4599 * cppinit.c (append_include_chain): Plug memory leaks.
4600 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
4601 Allocate pragma structures from the (aligned) macro pool to
4602 avoid leaking memory.
4603 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
4604 so we don't leak memory.
4605 * hashtable.c (ht_destroy): New.
4606 * hashtable.h (ht_destroy): New.
4608 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4609 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4611 * c-lex.c (map): Make const.
4612 (cb_file_change): Update for callback passing a line map.
4613 Don't assume we have a previous map. Remove sanity check
4614 about popping too many files.
4615 * cpperror.c (print_location): Make map const.
4616 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
4617 (cpp_make_system_header): Similarly.
4618 (search_from): Similarly.
4619 (_cpp_execute_include): Don't remember where we came from.
4620 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4621 (struct cpp_reader): Make map const.
4622 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4623 * cpplib.c (do_line): Update; line maps now hold sysp.
4624 (cpp_push_buffer): Similarly.
4625 (_cpp_do_file_change): Similarly; callback with map instead.
4626 (cpp_get_line_maps): Constify return value.
4627 (_cpp_pop_buffer): Update.
4628 * cpplib.h (struct cpp_file_change): Remove.
4629 (struct cpp_callbacks): Update.
4630 (cpp_get_line_maps): Constify return value.
4631 * cppmacro.c (_cpp_create_definition): Update.
4632 * cppmain.c (struct printer): Constify map.
4633 (maybe_print_line): Similarly.
4634 (print_line): Similarly. Deduce flags 1 and 2 here.
4635 (cb_file_change): Update.
4636 * line-map.c (free_line_maps): Warn regardless.
4637 (add_line_map): Return pointer to const. When passed NULL to_file
4638 with LC_LEAVE, use the obvious values for the return point so the
4639 caller doesn't have to figure them out.
4640 (lookup_line): Return pointer to const.
4641 (print_containing_files): Take pointer to const.
4642 * line-map.h (struct line_map): New members reason, sysp.
4643 (add_line_map): Return pointer to const.
4644 (lookup_line): Similarly.
4645 (print_containing_files): Take pointer to const.
4647 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4648 Richard Henderson <rth@redhat.com>
4650 * regmove.c (regmove_optimize): Avoid setting a register twice in
4653 2001-08-10 Richard Henderson <rth@redhat.com>
4655 * doc/extend.texi (Arrays and pointers implementation): Document
4656 behavior of pointer/integer conversion.
4658 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4660 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4662 2001-08-10 Richard Henderson <rth@redhat.com>
4664 * doc/extend.texi (C Implementation): New chapter.
4665 * doc/gcc.texi (Top): Link it in.
4667 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4669 * doc/install.texi (Specific): Fix CVS merge botch.
4671 2001-08-10 Richard Henderson <rth@redhat.com>
4673 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4674 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4676 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4678 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4679 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4680 this macro is now required.
4682 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4683 loop.c (find_and_verify_loops), reload.c (reload): Check
4684 for rtx code of CALL_INSN, not CALL, when deciding if we
4685 need to check for REG_SETJMP note.
4687 * gcse.c (compute_hash_table, compute_store_table): Update
4688 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4691 * config/avr/avr.c: Fix typo.
4692 * config/convex/convex.c (expand_movstr): Use adjust_address.
4693 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4695 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4696 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4698 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4699 Do define STACK_BOUNDARY.
4700 * config/i370/i370.c: Include expr.h.
4701 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4702 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4703 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4704 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4705 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4706 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4707 * config/romp/romp.c: Include expr.h after tree.h.
4709 (output_fpop): Use xmalloc, not oballoc.
4710 * config/we32k/we32k.c: Include expr.h.
4712 2001-08-10 Kazu Hirata <kazu@hxi.com>
4714 * config/h8300/h8300.h: Fix formatting.
4716 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4718 * c-common.h (RETURN_NULLIFIED_P): Lose.
4719 * c-semantics.c (genrtl_return_stmt): Don't check it.
4721 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4723 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4724 (mips_annotate_frame_insn): New function.
4725 (mips_emit_frame_related_store): New function.
4726 (save_restore_insns): Don't mark instructions that set up the base
4727 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4728 the store instructions instead.
4729 (mips_expand_prologue): If the stack size is moved into a temporary
4730 register, do not mark that move as frame-related. Add a
4731 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4733 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4735 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4736 stack slot as unchanging if current_function_calls_eh_return.
4738 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4740 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4741 access the second half of the TFmode scratch operand.
4743 2001-08-10 Anthony Green <green@redhat.com>
4745 * java/class.c (emit_register_classes): Conditionalize code on
4748 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4750 * doc/install.texi (Specific, avr): Fix cross-reference to the
4751 main manual to work both for info and HTML versions.
4753 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4755 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4756 and "use_goto" argument.
4757 (expand_null_return, expand_value_return): Update all callers.
4758 * function.c (expand_function_end): Remove code to generate simple
4760 * config/vax/vax.md (epilogue): New expander for function return.
4761 * doc/md.texi (epilogue): Remove "if defined".
4763 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4765 * Makefile.in: Partially revert my previous change:
4766 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4767 of the hashtab.o and safe-ctype.o rules.
4769 2001-08-09 Richard Henderson <rth@redhat.com>
4771 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4772 (USE_COLLECT2): Remove duplicate definition.
4773 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4774 (use_collect2): Remove dead code.
4775 * configure.in (use_collect2): Remove will_use_collect2 and
4776 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4777 * configure: Rebuild.
4779 * target.h (targetm.asm_out.constructor): New.
4780 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4781 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4782 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4783 * varasm.c (in_ctors, in_dtors): New.
4784 (assemble_constructor, assemble_destructor): Remove.
4785 (default_stabs_asm_out_destructor): New.
4786 (default_named_section_asm_out_destructor): New.
4787 (dtors_section, default_dtor_section_asm_out_destructor): New.
4788 (default_stabs_asm_out_constructor): New.
4789 (default_named_section_asm_out_constructor): New.
4790 (ctors_section, default_ctor_section_asm_out_constructor): New.
4791 * output.h: Update declarations.
4792 * c-decl.c (c_expand_body): Use target hooks instead of
4793 assemble_constructor and assemble_destructor.
4794 * profile.c (output_func_start_profiler): Likewise.
4795 * objc/objc-act.c (finish_objc): Likewise.
4796 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4797 for the constructor.
4798 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4800 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4801 (DTORS_SECTION_ASM_OP): Likewise.
4802 (__CTOR_LIST__): Use attribute section when possible.
4803 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4805 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4806 ASM_OUTPUT_CONSTRUCTOR.
4808 * config/darwin.c (machopic_asm_out_constructor): New.
4809 (machopic_asm_out_destructor): New.
4810 * config/darwin-protos.h: Update declarations.
4811 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4812 (ASM_OUTPUT_DESTRUCTOR): Remove.
4813 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4814 * config/nextstep.c (nextstep_asm_out_constructor): New.
4815 (nextstep_asm_out_destructor): New.
4816 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4817 (ASM_OUTPUT_DESTRUCTOR): Remove.
4818 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4819 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4820 ASM_OUTPUT_*STRUCTOR.
4821 * config/i386/aix386ng.h: Likewise.
4823 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4824 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4825 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4826 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4827 * config/lynx.h: Likewise.
4828 * config/netware.h: Likewise.
4829 * config/psos.h: Likewise.
4830 * config/alpha/alpha-interix.h: Likewise.
4831 * config/alpha/elf.h: Likewise.
4832 * config/arc/arc.h: Likewise.
4833 * config/arm/aof.h: Likewise.
4834 * config/arm/coff.h: Likewise.
4835 * config/arm/elf.h: Likewise.
4836 * config/c4x/c4x.h: Likewise.
4837 * config/h8300/h8300.h: Likewise.
4838 * config/i386/cygwin.h: Likewise.
4839 * config/i386/djgpp.h: Likewise.
4840 * config/i386/i386-coff.h: Likewise.
4841 * config/i386/i386-interix.h: Likewise.
4842 * config/i386/sco5.h: Likewise.
4843 * config/i386/vsta.h: Likewise.
4844 * config/i386/win32.h: Likewise.
4845 * config/i960/i960-coff.h: Likewise.
4846 * config/ia64/sysv4.h: Likewise.
4847 * config/m68hc11/m68hc11.h: Likewise.
4848 * config/m68k/coff.h: Likewise.
4849 * config/m68k/mot3300.h: Likewise.
4850 * config/m88k/m88k.h: Likewise.
4851 * config/mcore/mcore-pe.h: Likewise.
4852 * config/mcore/mcore.h: Likewise.
4853 * config/mips/elf.h: Likewise.
4854 * config/mips/elf64.h: Likewise.
4855 * config/mips/iris6.h: Likewise.
4856 * config/pa/pa64-hpux.h: Likewise.
4857 * config/rs6000/sysv4.h: Likewise.
4858 * config/sh/sh.h: Likewise.
4859 * config/sparc/litecoff.h: Likewise.
4861 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4862 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4863 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4864 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4865 (ASM_OUTPUT_DESTRUCTOR): Remove.
4866 * config/a29k/a29k.c: Move include of tree.h.
4867 * config/a29k/udi.h: Delete file.
4868 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4869 (vms_asm_out_destructor): New.
4870 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4871 (EXTRA_SECTION_FUNCTIONS): Likewise.
4872 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4873 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4874 * config/c4x/c4x.c: Move include of tree.h.
4875 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4876 (clix_asm_out_destructor): New.
4877 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4878 (ASM_OUTPUT_DESTRUCTOR): Remove.
4879 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4880 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4881 (TARGET_ASM_CONSTRUCTOR): New.
4882 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4883 (sco_asm_out_constructor): New.
4884 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4885 * config/i386/svr3gas.h: Remove stack grows up code.
4886 Remove code duplicated from i386/sysv3.h.
4887 (TARGET_ASM_CONSTRUCTOR): New.
4888 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4889 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4890 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4891 (TARGET_ASM_CONSTRUCTOR): New.
4892 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4893 (m68hc11_asm_out_destructor): New.
4894 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4895 (TARGET_ASM_DESTRUCTOR): New.
4896 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4897 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4898 config/svr3.h pertaining to section manipulation.
4899 * config/m68k/dpx2g.h: Remove #if 0 code.
4900 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4901 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4902 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4903 (TARGET_ASM_CONSTRUCTOR): New.
4904 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4905 (m88k_svr3_asm_out_constructor): New.
4906 (m88k_svr3_asm_out_destructor): New.
4907 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4908 (ASM_OUTPUT_DESTRUCTOR): Remove.
4909 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4910 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4911 * config/rs6000/aix.h: Likewise.
4912 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4913 * config/mips/vxworks.h: Likewise.
4914 * config/rs6000/lynx.h: Likewise.
4915 * config/sh/elf.h: Likewise.
4916 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4917 (DTORS_SECTION_ASM_OP): New.
4918 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4919 (ASM_OUTPUT_DESTRUCTOR): Remove.
4920 * config/sparc/sol2-sld-64.h: Likewise.
4921 * config/vax/vax.c (vms_asm_out_constructor): New.
4922 (vms_asm_out_destructor): New.
4923 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4924 (ASM_OUTPUT_DESTRUCTOR): Remove.
4925 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4927 * doc/tm.texi (@node Initialization): Update.
4929 2001-08-09 Richard Henderson <rth@redhat.com>
4931 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4932 (__do_global_dtors_aux): Use gp-relative static data to avoid
4933 one dynamic relocation.
4934 (__do_frame_setup): Register Java classes.
4935 * config/alpha/crtend.asm (__JCR_END__): New.
4937 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4939 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4940 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4941 (GEN, STAGESTUFF): Add new files.
4942 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4943 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4944 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4945 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4946 as well as insn-codes.h and insn-flags.h in config.h; and no
4947 extra headers in tconfig.h and hconfig.h.
4949 * gencodes.c: Eliminate code to generate predicate declarations
4950 or #defines for md-file constants.
4951 * genconstants.c, genpreds.c: New files.
4953 * i386.md: Re-order guard expressions such that TARGET_64BIT
4954 comes first, when this permits better optimization. Add
4955 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4956 why this is desirable.
4958 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4960 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4961 (find_fde_for_dso): Remove.
4962 (_Unwind_IteratePhdrCallback): New.
4963 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4964 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4966 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4968 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4969 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4971 2001-08-09 Graham Stott <grahams@redhat.com>
4973 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4974 (vis_no_unit): Use it.
4975 (visualize_no_unit): Add the insn only if room exists.
4977 2001-08-09 Graham Stott <grahams@redhat.com>
4979 * predict.c (estimate_probability): Replace magic numbers with
4980 appropriate enumeration.
4982 2001-08-09 Graham Stott <grahams@redhat.com>
4984 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4986 (EXTRACT_FLAGS): Likewise.
4988 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4990 * config/mips/mips.c (mips_legitimate_address_p): Check for
4991 CONST_INT in last patch.
4993 2001-08-08 Anthony Green <green@redhat.com>
4995 * java/class.c (emit_register_classes): Use assemble_jcr if
4996 possible. Keep the original mechanism as a fallback.
4997 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4998 and weak symbol support.
4999 * crtstuff.c (__JCR_LIST__): Define.
5000 (__JCR_END__): Define.
5001 (_Jv_RegiserClasses): Define weak symbol if possible.
5002 (__do_global_ctors_aux): Register classes for ELF targets with
5003 weak symbol support.
5005 2001-08-08 Kazu Hirata <kazu@hxi.com>
5007 * dbxout.c: Fix comment formatting.
5008 * dependence.c: Likewise.
5010 * diagnostic.c: Likewise.
5011 * dominance.c: Likewise.
5012 * doprint.c: Likewise.
5013 * dwarf2out.c: Likewise.
5014 * dwarfout.c: Likewise.
5015 * emit-rtl.c: Likewise.
5016 * except.c: Likewise.
5017 * explow.c: Likewise.
5018 * expmed.c: Likewise.
5021 * fold-const.c: Likewise.
5022 * function.c: Likewise.
5024 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5026 * global.c (retry_global_alloc): Avoid shadowing allocno.
5028 2001-08-08 Mark Mitchell <mark@codesourcery.com>
5030 * except.c (remove_fixup_regions): Fix typo.
5032 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
5034 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
5035 unsigned HOST_WIDE_INT to avoid warning.
5036 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
5037 * flow.c (set_block_for_new_insns): Likewise.
5039 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
5041 * sibcall.c (return_value_pseudo): New static variable.
5042 (skip_copy_to_return_value): Handle return_value_pseudo.
5043 (call_ends_block_p): Ensure that return_value_pseudo is set.
5044 (optimize_sibling_and_tail_recursive_call): Discover the
5045 load of pseudo return value in alternate exit block.
5047 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5049 * calls.c (ECF_ALWAYS_RETURN): New constant.
5050 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
5051 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
5052 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
5053 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
5054 * rtl.c (reg_note_name): New name.
5055 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
5057 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
5059 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
5061 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
5063 * alias.c (get_alias_set): Return a previously calculated
5064 alias set for a VAR_DECL.
5065 * function.c (gen_mem_addressof): Calculate the alias set before
5068 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
5070 * predict.def: Set hitrates according our experimental run.
5072 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
5074 * i386.h (HARD_REGNO_RENAME_OK): New macro.
5076 2001-08-08 H.J. Lu <hjl@gnu.org>
5078 * config/mips/mips.c (mips_unique_section): New. Copied from
5081 * config/mips/mips-protos.h (mips_unique_section): New
5084 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
5086 * config/mips/little.h: New. Generic little endian mips
5087 targets. Only mips*-*-linux* is converted to use it so far.
5089 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
5090 (WCHAR_TYPE): Defined
5091 (WCHAR_TYPE_SIZE): Likewise.
5092 (INIT_SUBTARGET_OPTABS): Likewise.
5093 (BSS_SECTION_ASM_OP): Likewise.
5094 (SBSS_SECTION_ASM_OP): Likewise.
5095 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
5096 (ASM_DECLARE_OBJECT_NAME): Likewise.
5097 (UNIQUE_SECTION): Likewise.
5098 (EXTRA_SECTIONS): Likewise.
5099 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5100 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5101 (ASM_OUTPUT_DEF): Likewise.
5102 (HANDLE_SYSV_PRAGMA): Removed.
5103 (NO_IMPLICIT_EXTERN_C): Likewise.
5104 (TARGET_MEM_FUNCTIONS): Likewise.
5105 (STARTFILE_SPEC): Likewise.
5106 (ENDFILE_SPEC): Likewise.
5107 (LIB_SPEC): Likewise.
5108 (INVOKE__main): Likewise.
5109 (CTOR_LIST_BEGIN): Likewise.
5110 (CTOR_LIST_END): Likewise.
5111 (DTOR_LIST_BEGIN): Likewise.
5112 (DTOR_LIST_END): Likewise.
5113 (SET_ASM_OP): Likewise.
5114 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5115 (ASM_OUTPUT_DEF): Likewise.
5116 (ASM_OUTPUT_IDENT): Likewise.
5118 * config/mips/mips.h (ASM_SPEC): Undefine before define.
5119 (CPLUSPLUS_CPP_SPEC): Likewise.
5120 (ASM_APP_ON) Redefine only if not defined.
5121 (ASM_APP_OFF): Likewise.
5122 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5123 (ASM_OUTPUT_IDENT): Likewise.
5125 * config.gcc: Update tm_file for Linux/mips.
5127 2001-08-08 Bernd Schmidt <bernds@redhat.com>
5129 * cselib.c (cselib_record_sets): If insn is predicated, turn
5130 sources into IF_THEN_ELSEs.
5132 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
5133 Turn into define_insn_and_split.
5135 * sched-deps.c: Include "cselib.h".
5136 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
5137 Use cselib to turn memory addresses into VALUEs.
5138 (sched_analyze): Call cselib_init/cselib_finish if necessary.
5139 * sched-int.h (struct sched_info): New member USE_CSELIB.
5140 * sched-ebb.c (ebb_sched_info): Initialize it.
5141 * sched-rgn.c (rgn_sched_info): Likewise.
5142 * Makefile.in (sched-deps.o): Update dependencies.
5144 * cselib.h (cselib_subst_to_values): Declare.
5145 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
5146 that have no value and autoincs to be handled by generating a new
5149 2001-08-08 Graham Stott <grahams@redhat.com>
5151 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
5152 within fixed length SEQUENCE.
5154 2001-08-08 Graham Stott <grahams@redhat.com>
5156 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
5157 (diagnostic_prefixing_rule): Likewise.
5158 (diagnostic_line_cutoff): Likewise.
5159 (diagnostic_kind_count): Likewise.
5161 2001-08-08 Graham Stott <grahams@redhat.com>
5163 * alias.c (find_base_decl): Delete redundent assignment.
5165 2001-08-08 Graham Stott <grahams@redhat.com>
5167 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
5168 (abs): Uppercase and paranthesize macro parameter.
5169 (MEM_DEPENDENCY): Add whitespace.
5171 2001-08-08 Graham Stott <grahams@redhat.com>
5173 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
5174 failure check for CONST_INT
5176 2001-08-08 Graham Stott <grahams@redhat.com>
5178 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
5179 (libcall_dead_p): Likewise.
5181 (mark_used_regs): Constify fmt.
5182 (find_use_as_address): Likewise.
5184 2001-08-08 Graham Stott <grahams@redhat.com>
5186 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
5189 2001-08-08 Graham Stott <grahams@redhat.com>
5191 * combine.c (combine_simplify_rtx): Update comment and
5192 remove erroneous test.
5194 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5196 * cppinit.c (cpp_finish): Pop the final buffer without comment.
5197 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
5198 take care to avoid multiple no-newline at EOF warnings in that
5201 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
5203 * calls.c (expand_call): Do not emit INSN_SETJMP note.
5204 (emit_library_call_value_1): Likewise.
5205 (emit_call_1): Emit REG_SETJMP note.
5206 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
5208 * cselib.c (cselib_process_insn): Likewise.
5209 * flow.c (propagate_block): Likewise.
5210 * loop.c (find_and_verify_loops): Likewise.
5211 * reload.c (find_equiv_regs): Likewise.
5212 * reload1.c (reload): Likewise.
5213 * resource.c (mark_referenced_resources,
5214 mark_set_resources): Likewise.
5215 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
5216 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
5217 * haifa-sched.c (unlink_other_notes): Likewise.
5218 (reemit_notes): Likewise.
5219 * sched-ebb.c (sched_ebb): Likewise.
5220 * sched-rgc.c (sched_region): Likewise.
5221 * rtl.c (note_insn_name): Likewise.
5222 (reg_note_name): Add REG_SETJMP
5223 * rtl.h (reg_note): Add REG_SETJMP.
5224 (insn_note): Remove NOTE_INSN_SETJMP.
5226 * profile.c (branch_prob): Add fake edges for setjmp.
5228 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
5230 * config.gcc: Quote target_cpu_default2 correctly for
5231 powerpc*-*-* targets.
5233 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
5235 * cpplib.h, line-map.h: Update comments.
5236 * cppmain.c (printer_init): Move inline.
5237 (maybe_print_line, print_line): Take a map pointer.
5238 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
5239 (cb_file_change): Don't use prior value of print.map.
5241 2001-08-07 David Edelsohn <edelsohn@gnu.org>
5243 * doc/install.texi: Document fine-grained multilib configuration.
5245 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5247 * rtlanal.c (find_first_parameter_load): Call note_stores
5248 only on the instructions.
5250 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5252 * alias.c (nonlocal_mentioned_p):
5253 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
5254 * calls.c (emit_call_1): Likewise.
5255 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
5256 * cselib.c (cselib_process_insn): Likewise.
5257 * df.c (df_insns_modify): Likewise.
5258 * flow.c (need_fake_edge_p): Likewise.
5259 (propagate_one_insn): Likewise.
5260 * haifa-sched.c (reemit_notes): Likewise.
5261 * integrate.c (copy_insn_list): Likewise.
5262 * jump.c (delete_prior_computation): Likewise.
5263 * local-alloc.c (validate_equiv_mem): Likewise.
5264 * loop.c (scan_loop): Likewise.
5265 * predict.c (estimate_probability): Likewise.
5266 * reload.c (reload): Likewise.
5267 * sched-deps (sched_analyze): Likewise.
5268 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
5269 * gcse.c (compute_hash_table): Likewise.
5270 (mark_call): Likewise.
5271 (store_killed_in_insn): Likewise.
5273 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
5275 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
5277 2001-08-06 Richard Henderson <rth@redhat.com>
5279 * varasm.c (assemble_gc_entry): Remove.
5280 * output.h: Likewise.
5282 2001-08-06 Richard Henderson <rth@redhat.com>
5284 * varasm.c (assemble_constructor): Take a symbol_ref and a
5285 priority instead of a bare string. Move priority handling
5286 here from cp/decl2.c.
5287 * output.h: Update decls.
5289 * c-decl.c (c_expand_body): Update calls to assemble_constructor
5290 and assemble_destructor.
5291 * profile.c (output_func_start_profiler): Likewise.
5292 * objc/objc-act.c (finish_objc): Likewise.
5293 (build_module_descriptor): Return the symbol not the symbol name.
5295 2001-08-06 David Edelsohn <edelsohn@gnu.org>
5297 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
5298 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
5299 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
5300 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
5301 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
5302 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
5304 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5306 * cpperror.c (print_containing_files): Moved to line-map.c.
5307 (print_location): line-map.c handles re-listing or otherwise.
5308 * cpphash.h (struct lexer_state): Remove next_bol.
5309 (struct cpp_buffer): Remove include_stack_listed.
5310 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
5311 Remove faked buffer handling.
5312 (_cpp_do_file_change): Tweak.
5313 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
5314 * cppmain.c (struct printer): Remove filename.
5315 (print_line, cb_file_change): Update accordingly.
5316 * line-map.c: Include intl.h.
5317 (init_line_maps): Initialize last_listed.
5318 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
5319 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
5320 (print_containing_files): New.
5321 * line-map.h (struct line_maps): New member last_listed.
5322 (print_containing_files, INCLUDED_FROM): New.
5323 * Makefile.in: Update.
5324 * po/POTFILES.in: Add line-map.c.
5326 2001-08-06 Richard Henderson <rth@redhat.com>
5328 * except.c (convert_from_eh_region_ranges_1): Never mark
5329 USE or CLOBBER insns as throwing.
5331 * expr.c (store_constructor): Don't clobber memory targets.
5333 2001-08-06 Andreas Jaeger <aj@suse.de>
5335 * profile.c (branch_prob): Remove unused variable insn.
5337 * Makefile.in (local-alloc.o): Add dependency on except.h.
5339 * local-alloc.c: Include except.h for can_throw_internal prototype.
5341 2001-08-06 Richard Henderson <rth@redhat.com>
5343 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5344 * function.c (expand_main_function): Implement it.
5345 * doc/tm.texi: Document it.
5347 2001-08-06 Stan Shebs <shebs@apple.com>
5349 * doc/install.texi: Document powerpc-*-darwin* details.
5351 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
5353 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
5354 (ASM_CPU_SPEC): Move back to rs6000.h
5355 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
5357 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
5359 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
5362 * config/rs6000/linux64.h: Ditto.
5364 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5365 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
5368 Remove accidently readded definitions of FUNCTION_PROLOGUE,
5369 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
5371 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
5374 2001-08-05 Richard Henderson <rth@redhat.com>
5376 * local-alloc.c (update_equiv_regs): Do not move insns that
5379 2001-08-05 Jan Hubicka <jh@suse.cz>
5381 * Makefile.in (reload1.o): Add dedendancy on except.h
5382 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
5384 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
5385 indicating wehther edges has been cleaned up.
5386 * reload1.c: Inlucde except.h
5387 (fixup_abnormal_edges): Accept deleted insns.
5388 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
5391 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
5393 * cpplib.c (do_line): Correct line number after pop_buffer.
5395 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5397 PR preprocessor/3824
5398 * line-map.c: Update comments.
5399 * line-map.h: Update comments.
5400 * tradcif.y: Don't consider large numbers unsigned.
5402 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
5404 PR preprocessor/3081
5405 * c-lex.c (map): New.
5406 (cb_file_change): Update map and use it.
5407 (cb_def_pragma, cb_define, cb_undef): Use map and line.
5408 (c_lex): Update to use map.
5409 * cpperror.c (print_location): Move to using logical line numbers.
5410 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
5411 (cpp_make_system_header): Similarly.
5412 (_cpp_execute_include): Stop line numbering hacks. Store the
5413 line we will return to.
5414 * cpphash.h (CPP_BUF_LINE): Remove.
5415 (struct cpp_buffer): Remove lineno and pseudo_newlines.
5416 Add map and return_to_line.
5417 (_cpp_do_file_change): Update.
5418 * cppinit.c (cpp_start_read): Update line kludge.
5419 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
5420 (trigraph_ok): Use logical line numbers for diagnostics.
5421 (skip_block_comment): Likewise.
5422 (skip_whitespace): Likewise.
5423 (skip_line_comment): Use pfile->line instead.
5424 (_cpp_lex_token): Update to use logical line numbering exclusively.
5425 Handle BOL locally. Accept new lines in directives, but keep
5426 pfile->line decremented. Diagnostics use logical lines. Update
5428 * cpplib.c (SEEN_EOL): New.
5429 (skip_rest_of_line, check_eol): Use it.
5430 (end_directive): Increase line number when accepting the newline
5431 at the end of a directive.
5432 (run_directive): Simplify.
5433 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
5434 (_cpp_do_file_change): Update to take buffer line number as an
5435 argument, and store the current map in the cpp_reader. Remove
5436 line number kludges.
5437 (_cpp_do__Pragma): Restore output position after a _Pragma.
5438 (cpp_push_buffer): Don't set output line or lineno.
5439 (_cpp_pop_buffer): Transfer more info from a faked buffer.
5440 Remove line kludge. Set output_line.
5441 * cppmacro.c (builtin_macro): Update handling of __LINE__.
5442 (parse_arg): Use logical lines.
5443 (save_lookahead_token): Save EOFs too now.
5444 * cppmain.c (struct printer): Fix comments.
5445 (printer_init): Simplify, let caller do errors.
5446 (scan_translation_unit, check_multiline_token, dump_macro): Update.
5447 (maybe_print_line): Simplify.
5448 (print_line): Don't print a linemarker if -P.
5449 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
5450 (cb_file_change): Simplify.
5451 * line-map.h (LAST_SOURCE_LINE): Fix.
5452 (CURRENT_LINE_MAP): New.
5454 2001-08-05 Bernd Schmidt <bernds@redhat.com>
5456 * doloop.c (doloop_modify_runtime): Properly compute number of
5457 iterations if loop was unrolled.
5459 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
5460 if their CSELIB_VAL_PTRs are.
5462 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
5463 (setup_spill_pointers): Initialize it.
5464 (spill_restore_mem): Set it.
5465 (do_spill, do_restore): Use it to add REG_INC note.
5466 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
5468 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
5469 asms if other insns are available.
5471 * config/ia64/ia64.c (condop_operator): New predicate.
5472 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
5473 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
5476 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
5477 temporary register than directly using a MEM.
5479 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5481 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
5482 parameter in last change.
5484 2001-08-04 Zack Weinberg <zackw@panix.com>
5486 * sparc.md: Don't use #if inside C test expression.
5488 2001-08-04 Richard Henderson <rth@redhat.com>
5490 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
5492 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
5494 * cpphash.h (struct cpp_reader): New member directive_line.
5495 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
5496 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
5497 do_pragma): Pass line to callbacks.
5498 (start_directive): Record line of directive.
5499 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
5500 cb_include): Similarly.
5501 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
5504 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5506 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
5509 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5511 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
5513 * reload1.c (fixup_abnormal_edges): New static function.
5516 * flow.c (need_fake_edge_p): New function.
5517 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
5518 avoid call insn to be very last insn in the insn stream.
5520 * profile.c (branch_prob): Call flow_call_edges_add instead of
5521 doing that by hand; cleanup cfg to re-merge basic blocks once
5524 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5526 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
5527 are also on line-map.h.
5528 * cppfiles.c (stack_include_file): Update.
5529 * cpphash.h (struct cpp_buffer): New member return_at_eof.
5530 (_cpp_pop_buffer): New.
5531 * cppinit.c (cpp_destroy, cpp_finish): Update.
5532 (do_includes): Mark each buffer to return at EOF.
5533 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
5534 return as requested.
5535 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
5536 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
5537 * cpplib.h (cpp_pop_buffer): Remove.
5538 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
5539 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
5541 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
5543 (do_preprocessing): Update.
5544 * fix-header.c (read_scan_file): Update. No need to pop buffers.
5545 * c-parse.in (_yylex): Similarly.
5546 * scan-decls.c (scan_decls): Similarly.
5547 * line-map.h: Update comments.
5549 * objc/Make-lang.in (objc-act.o): Update dependencies.
5551 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5553 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
5554 and soft register for operand 0.
5555 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
5557 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5559 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
5560 register for operand 0.
5561 ("bitcmpqi_z_used"): Allow memory for operand 0.
5562 (split "bitcmpqi"): New split to handle address reg as operand 1.
5564 2001-08-04 Andreas Jaeger <aj@suse.de>
5566 * gcse.c: Revert Daniel's last patch.
5568 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5570 * sparc-protos.h: Add prototypes for fp_zero_operand and
5572 * sh-protos.h: Add prototype for fpul_operand.
5574 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
5576 * doc/extend.texi (Other Builtins): Fix typo in last change.
5578 2001-08-03 Richard Henderson <rth@redhat.com>
5580 * target.h (gcc_target): Add asm_out.named_section,
5581 section_type_flags, have_named_sections.
5582 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
5583 (TARGET_HAVE_NAMED_SECTIONS): New.
5584 (TARGET_SECTION_TYPE_FLAGS): New.
5586 * Makefile.in (toplev.o): Depend on TARGET_H.
5587 (varasm.o, dbxout.o): Likewise.
5588 * c-common.c (decl_attributes): Check targetm.have_named_sections
5589 instead of ifdef ASM_OUTPUT_SECTION_NAME.
5590 * dbxout.c (dbxout_function_decl): Likewise.
5591 (dbxout_function_end): Likewise.
5592 * toplev.c (compile_file): Likewise.
5593 * varasm.c (exception_section): Likewise.
5594 * cp/decl2.c (finish_objects): Likewise.
5596 * defaults.h (EH_FRAME_SECTION): Remove.
5597 (EH_FRAME_SECTION_ASM_OP): Remove.
5598 (EH_FRAME_SECTION_NAME): New.
5599 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
5600 (UNIQUE_SECTION_P): Remove.
5601 * dwarf2out.c (SECTION_FORMAT): Remove.
5602 (ASM_OUTPUT_SECTION): Remove.
5603 (output_call_frame_info): Use named_section_flags.
5604 (output_comp_unit, dwarf2out_start_source_file): Likewise.
5605 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
5606 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
5607 * varasm.c (in_eh_frame, eh_frame_section): Remove.
5608 (named_section_flags): New.
5609 (named_section): Use it and targetm.section_type_flags.
5610 (resolve_unique_section): New.
5611 (assemble_start_function): Use it.
5612 (asm_emit_uninitialised, assemble_variable): Likewise.
5613 (default_section_type_flags): New.
5614 (default_no_named_section, default_elf_asm_named_section): New.
5615 (default_coff_asm_named_section, default_pe_asm_named_section): New.
5616 * output.h: Update varasm.c decls.
5617 (SECTION_*): New flags.
5619 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5620 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5622 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5623 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5624 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5625 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5626 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
5627 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
5628 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5629 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5630 * config/pa/pa64-hpux.h,
5632 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5633 (TARGET_ASM_NAMED_SECTION): New.
5634 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5635 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5636 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5637 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5638 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5639 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5640 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5641 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5642 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5643 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5644 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5645 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5646 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5647 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5648 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5649 * config/sparc/sysv4.h: Likewise.
5651 * config/nextstep.h: Error until named sections implemented.
5653 * config/a29k/a29k.c (a29k_asm_named_section): New.
5654 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5655 (vms_section_type_flags, vms_asm_named_section): New.
5656 * config/arm/arm.c (arm_elf_asm_named_section): New.
5657 * config/avr/avr.c (asm_output_section_name): Remove.
5658 * config/avr/avr-protos.h: Update.
5659 * config/c4x/c4x.c (c4x_asm_named_section): New.
5660 * config/h8300/h8300.c (h8300_asm_named_section): New.
5661 * config/i386/i386.c (sco_asm_named_section): New.
5662 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5663 (i386_pe_section_type_flags): New.
5664 (i386_pe_asm_named_section): New.
5665 * config/i386/i386-protos.h: Update.
5666 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5667 * config/mcore/mcore.c (mcore_asm_named_section): New.
5668 * config/mips/mips.c (iris6_asm_named_section): New.
5669 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5670 instead of UNIQUE_SECTION_P.
5671 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5672 (xcoff_asm_named_section): New.
5673 * config/sh/sh.c (sh_asm_named_section): New.
5674 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5676 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5677 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5678 (EH_FRAME_SECTION_NAME): New.
5679 (EXCEPTION_SECTION): New.
5680 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5681 (DEBUG_*_SECTION): Remove.
5682 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5683 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5684 (EH_FRAME_SECTION_ASM_OP): Remove.
5686 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5687 (ASM_OUTPUT_SECTION_NAME): Remove.
5688 (TARGET_ASM_NAMED_SECTION): New.
5689 (TARGET_HAVE_NAMED_SECTIONS): New.
5690 (TARGET_SECTION_TYPE_FLAGS): New.
5691 (EH_FRAME_SECTION_ASM_OP): Remove.
5692 (EH_FRAME_SECTION_NAME): New.
5694 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5696 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5697 for complex expressions when cfun == 0.
5698 * doc/extend.texi: Document that __builtin_constant_p can be
5699 used in data initializers as well as functions.
5701 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5703 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5704 variable I locally, instead of expecting a declaration in the
5707 2001-08-03 Richard Henderson <rth@redhat.com>
5709 * except.c (collect_one_action_chain): Add an explicit cleanup
5710 action if regions surrounding a catch were encoded entirely
5711 within the call-site entry.
5713 2001-08-03 Richard Henderson <rth@redhat.com>
5715 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5716 don't take REGNO of a non-register.
5718 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5720 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5721 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5722 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5723 (__gthread_mutex_init_function): New function for mutex initialization.
5725 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5727 * Makefile.in: Revert screwed up commit.
5729 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5731 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5732 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5733 merged by linker script to get a final _exit().
5734 (__do_global_dtors): New for destructor handling in specific exit
5736 (__do_global_ctors): New for constructors in specific install section.
5737 (__map_data_section): Map data sections before running constructors.
5738 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5739 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5740 (DTORS_SECTION_ASM_OP): Likewise.
5741 (CTORS_SECTION_FUNCTION): Define to force a reference to
5743 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5745 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5747 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5749 * Makefile.in: Add df.h to gcse.c dependencies.
5751 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5753 * varasm.c (output_constant_def_contents): Use for the length of a
5754 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5755 depending on which is larger.
5757 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5759 * gcse.c: Include df.h for use as a dataflow analyzer.
5761 Declaration of reg_set_info: gone.
5762 New df_analyzer variable used by store motion.
5763 (reg_set_info): Deleted.
5764 (mark_mem_regs): New function, analyze regs used by a mem.
5765 (store_ops_ok): Use dataflow analyzer results to determine if
5766 necessary regs are changed in the block.
5767 (find_moveable_store): Remove check for symbol ref, we can handle
5768 much more complex expressions now.
5769 (compute_store_table): Remove most of the code, it's unnecessary
5770 now that the dataflow analyzer records the info for us.
5771 (store_killed_after): Add parameter to say whether to do the
5772 store_ops_okay test, used to speed up testing when we already know
5773 the answer, and just want to know if the store itself was killed.
5774 (build_store_vector): Largely rewritten to calculate the various
5775 vectors properly, and somewhat optimized.
5776 (store_motion): Init the df_analyzer, get REG_DEF chains.
5777 Also handle trapping expressions (since mems almost always trap)
5778 (simple_mem): Redefine what a simple mem is.
5780 2001-08-03 DJ Delorie <dj@redhat.com>
5782 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5783 set from a constant part of the condition.
5785 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5787 * mkdeps.c (deps_add_default_target): Make local variable
5788 ``start'' a const char pointer.
5789 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5791 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5793 * doc/install.texi (Configuration): Fix markup.
5794 (Specific, i?86-*-udk): Likewise.
5795 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5797 Document --enable-threads and --enable-libgcj status.
5798 (Specific, mips-sgi-irix*): Canonicalize triples.
5799 (Specific, mips-sgi-irix5): Warn about problems with this config.
5800 Mention required GNU as patch.
5801 Native assembler problems are fixed.
5802 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5803 Document --enable-threads and --enable-libgcj status.
5805 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5807 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5810 2001-08-03 Richard Henderson <rth@redhat.com>
5812 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5815 2001-08-03 Richard Henderson <rth@redhat.com>
5817 * rtlanal.c (find_first_parameter_load): Stop if we
5818 reach a CODE_LABEL at BOUNDARY.
5820 2001-08-03 Richard Henderson <rth@redhat.com>
5822 * config/alpha/alpha.md (force_movdi): New insn.
5823 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5824 Tweek FRP marking of VMS prologue insns.
5825 * config/alpha/vms.h (EPILOGUE_USES): New.
5827 2001-08-02 Richard Henderson <rth@redhat.com>
5829 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5831 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5833 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5834 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5835 config/convex/convex.h, config/d30v/d30v.c,
5836 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5837 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5838 config/mips/mips.h, config/mn10200/mn10200.h,
5839 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5840 config/v850/v850.h, config/vax/openbsd.h,
5841 config/vax/openbsd1.h, config/vax/ultrix.h,
5842 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5843 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5844 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5845 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5846 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5847 in comments and documentation.
5849 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5853 * Makefile.in (line-map.o): New.
5854 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5855 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5856 * cpperror.c (print_containing_files): Similarly.
5857 (print_location): Update. Don't output a space before _Pragma.
5858 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5859 (stack_include_filee, cpp_make_system_header): Update.
5860 (_cpp_execute_include): Get logical line number right for calling
5861 as-yet-unterminated #include.
5862 * cpphash.h (struct cpp_reader): Add line_maps.
5863 (_cpp_do_file_change): Update.
5864 * cppinit.c (cpp_create_reader): Initialize line maps.
5865 (cpp_destroy): Destroy line maps.
5866 (cpp_start_read): Get logical line number right.
5867 * cpplex.c (parse_string): Only warn once for multi-line strings.
5868 Use boolean variable for null warning.
5869 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5871 (do_include_common): End the directive early.
5872 (do_line): Don't warn about out-of-range lines in preprocessed
5873 source. Update. Remove unused variables.
5874 (_cpp_do_file_change): Update for new line mapping.
5875 (pragma_cb): New typedef.
5876 (cpp_register_pragma): Stop looking ahead before calling the
5878 (do_pragma_system_header): End directive early.
5879 (cpp_get_line_maps): New.
5880 (cpp_pop_buffer): Fudge logical line. Update.
5881 * cpplib.h: Include line-map.h
5882 (enum cpp_fc_reason): Remove.
5883 (struct cpp_file_change): Update.
5884 (cpp_get_line_maps): New.
5885 * cppmain.c (struct_printer): New member map.
5886 (cb_file_change): Update for new mappings.
5887 * fix-header.c (cb_file_change): Similarly.
5889 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5891 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5892 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5894 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5896 * config/vax/vax.c: include expr.h.
5898 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5900 * Makefile.in ($(srcdir)/configure): Only rebuild in
5902 ($(srcdir)/config.in): Only define in maintainer mode.
5903 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5905 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5907 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5909 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5911 * gcc.c (set_collect_gcc_options): New function, split out from
5913 Ignore elided switches.
5914 (do_spec_1): Invoke before executing command.
5915 (set_input): Export.
5916 Move declaration ...
5917 * gcc.h (set_input): ... here.
5918 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5921 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5924 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5926 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5928 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5930 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5931 for the unnamed instructions it expands to.
5933 2001-08-02 Richard Henderson <rth@redhat.com>
5935 * regclass.c (call_really_used_regs): Conditionally define.
5936 (init_reg_sets_1): Don't use it if not defined.
5937 (fix_register): Similarly, don't set it.
5939 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5941 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5942 Correct comment that had been missed in the previous change.
5944 2001-08-01 Stan Shebs <shebs@apple.com>
5946 * config/darwin.c (machopic_stub_name): Try matching by name.
5947 (update_stubs): New function.
5948 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5951 2001-08-01 Richard Henderson <rth@redhat.com>
5953 * except.c (output_function_exception_table): Use assemble_align.
5954 * varasm.c (assemble_eh_label): Remove.
5955 (assemble_eh_align, assemble_eh_integer): Remove.
5957 2001-08-01 Robert Lipe <robertl@caldera.com>
5959 * dwarfout.c: Remove reference to README.DWARF.
5961 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5963 * regclass.c (call_really_used_regs): New array for registers which
5964 are actually used by a call.
5965 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5967 (fix_register): Set call_really_used too.
5968 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5969 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5971 2001-08-01 Richard Henderson <rth@redhat.com>
5973 * read-rtl.c (read_name): Consider \r whitespace.
5975 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5977 * config.gcc: Recognize powerpc-*-netbsd*.
5979 * doc/install.texi (Host/target specific installation notes for
5980 GCC): Mention powerpc-*-netbsd*.
5982 * config/rs6000/netbsd.h: New file.
5983 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5984 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5985 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5986 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5987 (TARGET_VERSION): Redefine.
5989 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5990 mcall-netbsd as a match for mcall-sysv.
5991 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5992 (ncrti.S, ncrtn.S): New targets.
5993 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5995 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5996 "netbsd' as a V4 ABI.
5997 (ASM_SPEC): Check for -mcall-netbsd.
5998 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5999 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
6000 (LIB_SPEC, ENDFILE_SPEC): Ditto.
6001 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
6002 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
6003 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
6004 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
6006 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
6007 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
6009 2001-08-01 Mark Kettenis <kettenis@gnu.org>
6011 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
6012 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
6013 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
6014 including "unwind-pe.h".
6016 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6018 * rs6000.md (define_splits): Kill unused constraints.
6020 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
6021 Jan Hubicka <jh@suse.cz>
6023 * function.c (thread_prologue_and_epilogue_insns): Kill code
6024 dealing with non-existent CFG.
6026 2001-08-01 Kazu Hirata <kazu@hxi.com>
6028 * alias.c: Fix comment formatting.
6029 * bitmap.c: Likewise.
6030 * builtins.c: Likewise.
6031 * calls.c: Likewise.
6032 * c-common.c: Likewise.
6033 * c-decl.c: Likewise.
6034 * c-dump.c: Likewise.
6035 * c-lex.c: Likewise.
6036 * collect2.c: Likewise.
6037 * combine.c: Likewise.
6038 * conflict.c: Likewise.
6039 * cppfiles.c: Likewise.
6040 * cppinit.c: Likewise.
6041 * cpplex.c: Likewise.
6042 * cpplib.c: Likewise.
6043 * cppmacro.c: Likewise.
6044 * cppspec.c: Likewise.
6045 * c-pragma.c: Likewise.
6046 * crtstuff.c: Likewise.
6048 * cselib.c: Likewise.
6049 * c-semantics.c: Likewise.
6050 * c-typeck.c: Likewise.
6052 2001-08-01 H.J. Lu <hjl@gnu.org>
6054 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
6056 2001-08-01 H.J. Lu <hjl@gnu.org>
6058 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
6060 2001-08-01 Ziemowit Laski <zlaski@apple.com>
6062 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
6063 contextualizing Objective-C class name lookup by the lexer.
6064 (typespec_reserved_nonattr): Disable ObjC class name lookup after
6066 (protocoldef): Add support for forward @protocol declarations.
6067 (yylexname): Suppress ObjC class name lookup in certain contexts;
6068 re-enable after lookup is complete.
6069 (_yylex): Re-enable ObjC class name lookup when certain
6070 punctuation marks are seen.
6072 * objc/objc-act.c (check_protocol_recursively): New function used
6073 for finding circular dependencies in protocols.
6074 (objc_declare_protocols): New function for handling forward
6075 @protocol declarations.
6076 (receiver_is_class_object): Detect the case when 'self' is used
6077 inside of a class method.
6078 (build_message_expr): Issue a warning if class method is desired
6079 but instance method is found instead.
6080 (conforms_to_protocol): Streamline.
6081 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
6082 protocol Foo, even if 'Bar foo' does not.
6083 (check_protocols): Streamline.
6084 (start_protocol): Add checks for circular and duplicate protocol
6086 (encode_aggregate_within): For typedefs of structs, encode the
6088 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
6089 (objc_declare_protocols): New prototype.
6091 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6093 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
6094 * cpplex.c (handle_newline): Update prototype. Maintain logical
6096 (skip_escaped_newlines, skip_block_comment, parse_string):
6098 (_cpp_lex_token): Update, and store token position within the token.
6099 * cpplib.h (struct cpp_token): Add line and column entries.
6100 * cppmacro.c (replace_args): Position stringified tokens correctly.
6102 2001-08-01 Andreas Jaeger <aj@suse.de>
6104 * basic-block.h: Add prototype for last_loop_beg_note.
6106 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
6108 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
6109 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
6111 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
6112 while handling WITH_CLEANUP_EXPR node. Use second operand calling
6113 expand_decl_cleanup.
6114 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
6116 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
6117 operand while calling simple_cst_equal.
6118 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
6119 operand is the cleanup expression, the third is the RTL_EXPR.
6120 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
6122 2001-07-31 Jeff Sturm <jsturm@one-point.com>
6124 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
6126 2001-07-31 matthew green <mrg@eterna.com.au>
6128 * config.gcc (i386-*-netbsdelf): New description.
6129 * config/i386/netbsd-elf.h: New file.
6131 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
6133 * loop.c (check_dbra_loop): Use single_set to compute
6136 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
6138 PowerPC reorg and support for powerpc64-*-linux*.
6140 Also fixes emitting of constants on 32 bit and 64 bit
6143 * config.gcc: powerpc64-*-linux* is a new target.
6144 Things that needed aix.h now also include xcoff.h
6146 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
6148 Move AIX specific stuff into aix.h.
6149 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
6150 with more than just XCOFF now.
6151 (SET_ASM_OP): Remove, now defined where needed.
6152 (FUNCTION_PROLOGUE): New macro definition.
6153 (FUNCTION_EPILOGUE): New macro definition.
6154 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
6156 * config/rs6000/xcoff.h: New file.
6158 * config/rs6000/linux64.h: New file.
6160 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
6162 2001-07-31 Alan Modra <amodra@bigpond.net.au>
6164 * rs6000.c (print_operand_address): Handle ELF syntax.
6165 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
6166 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
6167 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
6169 2001-07-31 David Edelsohn <edelsohn@gnu.org>
6171 * rs6000.c (rs6000_override_options): Only disable
6172 flag_function_sections for XCOFF.
6173 (exact_log2_cint_operand): New predicate.
6174 (reg_or_{add,sub}_cint64_operand): New predicates.
6175 (add_operand): Compare CONST_INT with fewer function calls.
6176 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
6177 (print_operand, case 'p'): Ensure positive operand.
6178 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
6179 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
6180 (PREDICATE_CODES): Add new predicates.
6181 * rs6000.md (addsi3): Split 32-bit constants more correctly.
6182 (divsi3, modsi3): Ensure positive power-of-2.
6183 (adddi3): Use new predicate. Split 32-bit constants more
6184 correctly. Re-arrange splitter to handle any constant.
6185 (subdi3): Use new predicate.
6186 (divdi3, moddi3): Ensure positive power-of-2.
6187 (movdi): Use rs6000_emit_set_const.
6188 (load_toc_v4_pic_di): Delete.
6190 2001-07-31 Graham Stott <grahams@redhat.com>
6192 * function.c (pad_below): Revert 2001-07-26 patch.
6194 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6196 * reg-stack (convert_regs_1): Fix best edge condition.
6198 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6200 * jump.c (duplicate_loop_exit_test): Better test for jumps
6201 entering the loop; create loop pre_header.
6203 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
6205 * doc/install.texi: Add s390 and s390x as new targets.
6206 * doc/invoke.texi: Add documantation of S/390 and zSeries
6208 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
6210 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6212 * config/m68k/m68k.md: Replace all general_operand with
6213 nonimmediate_operand for all destinations.
6214 * config/m68k/m68k.c (not_sp_operand): Likewise.
6216 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
6218 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
6220 2001-07-30 Richard Henderson <rth@redhat.com>
6222 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
6223 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
6225 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
6227 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
6228 Add missing doc strings
6229 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
6230 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
6232 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6234 * i386.c (ix86_output_main_function_alignment_hack): New function.
6235 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
6237 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
6238 edges by EDGE_DFS_BACK flag.
6239 (dump_edge_info): Add dfs_back flag.
6240 * basic-block.h (EDGE_DFS_BACK): New constant.
6241 (mark_dfs_back_edges): Declare.
6242 * alias.c (loop_p): Remove.
6243 (mark_constant_function): Use mark_dfs_back_edges.
6245 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
6246 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
6247 (compensate_edge): Break out from ...
6248 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
6249 (convert_regs_2): Set block_done once block is really done;
6250 Do updating of the predecesors counts.
6252 * toplev.c (rest_of_compilation): Recompute block_for_insn
6253 before post-reload cfg_cleanup.
6254 * function.c (thread_prologue_epilogue_insns):
6255 Call set_block_for_new_insns when emitting prologue directly.
6257 2001-07-30 Andreas Jaeger <aj@suse.de>
6259 * jump.c: Add prototype for mark_modified_reg.
6261 * cse.c (set_live_p): Add unused attribute.
6263 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
6265 (scan_for_source_files): Use long for count to avoid overflow.
6266 (output_data): Likewise.
6267 (output_data): Don't use string concatatenation to silence gcc
6270 * predict.c: Fix typos and grammar.
6272 * gcse.c (insert_insn_end_bb): Remove unused variables.
6274 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
6276 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
6277 (attempt_auto_inc): LIkewise.
6278 (mark_used_reg): Likewise.
6279 (try_pre_increment_1): Likewise.
6280 * regclass.c (regclass): Likewise.
6281 * global.c (allocno_compare): Update comment; change scaling factor.
6282 * local-alloc.c (QTY_CMP_PRI): Likewise.
6283 * regs.h (REG_FREQ_FROM_BB): New.
6284 (REG_FREQ_MAX): Likewise.
6286 2001-07-30 H.J. Lu <hjl@gnu.org>
6288 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
6291 2001-07-30 H.J. Lu (hjl@gnu.org)
6293 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
6294 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6295 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
6297 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
6299 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
6300 as -mthumb-interwork when -mcpu=arm7 is specified.
6302 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6304 * predict.def (noreturn, loop branch, loop exit): Mark as first
6307 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
6309 * combine.c (try_combine): Avoid barrier after noop jumps.
6311 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6313 * cpphash.h (struct cpp_reader): Remove import_warning.
6314 * cpplib.c (skip_rest_of_line): Don't bother turning off
6316 (parse_include): Move include handling to...
6317 (do_include_common): ... here. Move import warning from...
6318 (do_import): ... here.
6319 (do_pragma_poison): Don't do a callback for poison identifiers.
6320 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
6321 * cppmain.c (setup_callbacks): Similarly.
6323 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
6325 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
6326 handle multiple sets.
6327 * except.c (sjlj_mark_call_sites): .... here.
6328 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
6330 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
6332 Suggested by Richard Henderson and Richard Kenner:
6333 * combine.c (recog_for_combine): Use the fake recog
6334 only if instruction does not match.
6335 * rtl.h (NOOP_MOVE_INSN_CODE): New.
6336 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
6338 * combine.c (try_combine): Discover noop jump as direct jump.
6340 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
6342 * df.c (df_rd_global_compute): Add successors to worklist, not
6344 (df_ru_global_compute): Ditto.
6346 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
6348 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
6349 increment REG_N_SETS.
6351 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
6353 * sbitmap.h: New prototype for sbitmap_a_xor_b.
6355 * sbitmap.c (sbitmap_a_xor_b): New function.
6356 ifdef the basic block stuff on IN_GCC.
6358 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6360 * cppexp.c (parse_defined): Always record the macro name.
6361 (lex): Don't worry about identifiers, or special-case
6363 (_cpp_parse_expr): Figure out at the end of the routine
6364 whether we saw a valid !defined() expression.
6365 * cppfiles.c (stack_include_file): Update for mi_valid.
6366 (_cpp_pop_file_buffer): Similarly.
6367 * cpplex.c (_cpp_lex_token): Similarly.
6368 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
6369 mi_if_not_defined, mi_lexed): Remove.
6371 * cpplib.c (do_if): Simplify.
6372 (do_endif, push_conditional, _cpp_handle_directive): Update
6373 for renaming of mi_state to mi_valid.
6375 * cpp.texi: Add index entries for digraphs, and add comment
6376 that C++ refers to them as alternative tokens.
6378 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6380 * basic-block.h (CLEANUP_PRE_LOOP): New.
6381 * except.c (finish_eh_generation): Update call of cleanup_cfg.
6382 * sibcall.c (optimize_sibling_calls): Likewise.
6383 * toplev.c (rest_of_compilation): Likewise.
6384 * flow.c (try_forward_edges): Take argument MODE;
6385 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
6386 (try_optimize_cfg): Update call of try_forward_edges.
6388 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6389 Jan Hubicka <jh@suse.cz>
6391 * (validate_replace_rtx_1): Fix simplification of MINUS.
6393 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
6395 PR preprocessor/3669
6396 * cppinit.c (init_dependency_output): Turn off dump requests
6397 if sending dependencies to stdout.
6399 2001-07-28 Richard Henderson <rth@redhat.com>
6401 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
6404 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
6406 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
6408 2001-07-28 Kazu Hirata <kazu@hxi.com>
6410 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
6411 is VAR_DECL first to prevent an ICE.
6413 2001-07-28 Richard Henderson <rth@redhat.com>
6415 * varasm.c (immed_real_const_1): Don't elide special cases for
6417 (clear_const_double_mem): Clear const_tiny_rtx too.
6419 2001-07-28 Richard Henderson <rth@redhat.com>
6421 * dwarf2out.c (dw_val_class_offset): New.
6422 (struct dw_ranges_struct, dw_ranges_ref): New.
6423 (ranges_table, ranges_table_allocated): New.
6424 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
6425 (add_AT_offset, add_ranges, output_ranges): New.
6426 (print_die, output_die): Handle dw_val_class_offset.
6427 (attr_checksum, size_of_die, value_format): Likewise.
6428 (gen_lexical_block_die): Handle non-contiguous blocks.
6429 (gen_block_die): Likewise.
6430 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
6431 if needed. Dump the ranges table.
6432 * final.c (final_start_function): Remove unnecessary notes and
6433 rebuild the block tree before numbering the blocks.
6434 * function.c (reorder_blocks_0): Walk the existing block tree
6435 to unmark all blocks.
6436 (reorder_blocks_1): Create block fragments when duplicate block
6438 (reorder_fix_fragments): New.
6439 (reorder_blocks): Call it.
6440 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
6442 2001-07-28 Richard Henderson <rth@redhat.com>
6444 * emit-rtl.c (adjust_address): Make a copy of the memory address.
6446 2001-07-28 Richard Henderson <rth@redhat.com>
6448 * flow.c (add_to_mem_set_list): New function.
6449 (init_propagate_block_info): Use it.
6450 (mark_set_1): Likewise.
6451 (insn_dead_p): Canonicalize memory address for dead store
6452 comparison. Allow wider mode stores to kill narrower mode stores.
6453 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
6454 (invalidate_mems_from_set): Don't handle MEMs.
6456 2001-07-28 Kazu Hirata <kazu@hxi.com>
6458 * config/h8300/h8300.h: Fix formatting.
6460 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6462 * basic-block.h (EDGE_FREQUENCY): New macro.
6463 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
6465 * flow.c (find_sub_basic_blocks): Likewise.
6466 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
6467 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
6469 * predict.c (DEF_PREDICTOR): New argument FLAGS.
6470 (HITRATE): New macro.
6471 (PRED_FLAG_FIRST_MATCH): New constant.
6472 (predictor_info): New field flgags.
6473 (combine_predictions_for_insn): Use DS theory to combine
6474 probabilities; set the edge probabilities when finished.
6475 (estimate_probability): Avoid duplicated matches
6476 of LOOP_BRANCH heuristics for nested loops; update comment.
6477 * predict.def: Add flags for each prediction, set probabilities
6478 according to B&L paper.
6479 * predict.h (DEF_PREDICTOR): New argument FLAGS.
6481 * profile.c (compute_branch_probabilities): Cleanup way the edge
6482 probabilities are computed and REG_BR_PROB notes are dropped; if
6483 values does not match, emit error.
6484 (init_branch_prob): Do error instead of warning when profile driven
6485 feedback is missing or corrupt.
6487 2001-07-27 DJ Delorie <dj@redhat.com>
6489 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
6490 against a constant, try to adjust the compare to have the desired
6491 constant in it so that min/max optimizations happen more often.
6493 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6495 * flow.c (last_loop_beg_note): New function.
6496 (redirect_edge_and_branch): Use it.
6497 (split_edge): Likewise.
6499 * alias.c (loop_p): Avoid uninitialized memory access.
6501 * flow.c (try_forward_edges): Avoid accessing freed memory.
6503 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
6506 2001-07-26 Andrew Haley <aph@redhat.com>
6507 Joern Rennecke <amylaar@redhat.com>
6509 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
6510 (SUBTARGET_CPP_ENDIAN_SPEC): New.
6511 (SUBTARGET_CPP_SPEC): New.
6513 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
6514 (SUBTARGET_CPP_PTR_SPEC): New.
6515 (CPP_DEFAULT_CPU_SPEC): New.
6516 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
6517 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6518 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
6519 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
6520 (SUBTARGET_CPP_SPEC): Define as an empty string.
6522 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6524 * doc/install.texi (Configuration): Properly link the host
6525 specific instructions also when generating HTML.
6527 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
6529 * flow.c (redirect_edge_and_branch_force): Test
6530 target->global_live_at_start.
6532 2001-07-26 Richard Henderson <rth@redhat.com>
6534 * simplify-rtx.c (avoid_constant_pool_reference): Export.
6535 * rtl.h (avoid_constant_pool_reference): Declare it.
6536 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
6537 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
6539 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6541 * rtl.h (cleanup_barriers): Declare.
6542 * jump.c (cleanup_barriers): New function.
6543 * toplev.c (rest_of_compilation): Call cleanup_barriers
6544 before loop optimizer and after bb_reorder.
6546 * flow.c (back_edge_of_syntactic_loop_p): New.
6547 (split_edge): Use it.
6549 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6551 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
6553 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
6555 * cse.c (cse_process_notes): Replace any registers if the address
6558 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
6560 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
6561 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
6562 (propagate_block): Update prototype.
6563 * flow.c (update_life_info): Simplify the CFG and
6564 recalculate the global regs which are alive when
6565 removing dead code during a global update.
6566 (propagate_block): Return non-zero if an INSN is
6569 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6571 * Makefile.in (LIBICONV): Define.
6573 2001-07-26 Catherine Moore <clm@redhat.com>
6575 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
6576 of conditional to avoid tree checking errors.
6578 2001-07-26 Kazu Hirata <kazu@hxi.com>
6580 * regmove.c (regmove_optimize): Don't replace a reg with
6581 another reg of a different mode.
6583 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
6585 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
6586 limit length of dependancy flush list.
6587 * params.h (MAX_PENDING_LIST_LENGTH): Define.
6588 * sched-int.h (struct deps): Add pending_flush_length field.
6589 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
6590 has 1 element in it.
6591 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
6592 (sched_analyze): After a jump, if the pending memory flush list is too
6593 large, flush the pending lists.
6594 (init_deps): Initialize pending_flush_length to 0.
6595 * doc/invoke.texi (max_pending_list_length): Document parameter.
6597 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6599 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
6600 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
6601 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
6603 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6605 * cpphash.h (struct_lexer_state): Delete was_skipping.
6606 Move skipping here from struct cpp_reader.
6607 * cpplex.c (parse_identifier): Update.
6608 (_cpp_lex_token): Don't skip tokens in a directive.
6609 * cpplib.c (struct if_stack): Update.
6610 (start_directive, end_directive): Don't change skipping state.
6611 (_cpp_handle_directive): Update.
6612 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
6613 (do_else, do_endif): Update; only check for excess tokens if not
6614 in a skipped conditional block.
6615 (push_conditional): Update for new struct if_stack.
6617 2001-07-26 Graham Stott <grahams@redhat.com>
6619 * function.c (locate_and_pad_parm): Also pad initial offset
6620 so that the total argument size also includes the padding.
6622 2001-07-26 Graham Stott <grahams@redhat.com>
6624 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6625 change XSTR to XTMPL.
6627 (process_one_cond_exec): Likewise
6629 2001-07-25 Richard Henderson <rth@redhat.com>
6631 * varasm.c (assemble_variable): Create DECL_RTL before setting
6634 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6636 * predict.c (estimate_probability): Avoid duplicated predictions.
6638 * loop.c (find_and_verify_loops): Grok multiple barriers.
6640 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6642 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6644 * dbxout.c: Consistently use putc instead of fputc.
6645 (print_wide_int): New function; call instead of direct fprintf.
6646 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6647 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6648 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6649 (print_int_cst_octal): Likewise.
6650 (print_octal): Show we wrote characters.
6651 (dbxout_type): Set have_used_extensions in more places.
6653 2001-07-25 Catherine Moore <clm@redhat.com>
6655 * config/v850/v850.c (v850_va_arg): Use addr
6656 instead of valist to build incr.
6658 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6660 * flow.c (delete_dead_jumptables): New function.
6661 (life_analyzis): Call it.
6662 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6665 2001-07-25 Richard Henderson <rth@redhat.com>
6667 * except.c (reachable_handlers): Handle a region being removed
6668 out from under a RESX.
6670 2001-07-25 Richard Henderson <rth@redhat.com>
6672 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6673 swap GE/GT if it is an fp comparison.
6675 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6677 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6680 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6682 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6683 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6686 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6688 (visit_expression): When attempting to simplify an expression,
6689 retrieve any modes for arguments before they are simplified
6692 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6693 Janis Johnson <janis@us.ibm.com>
6695 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6696 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6697 pointer parameters to match documented usage of nonlocal_goto.
6698 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6699 parameters to their correct order.
6700 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6701 parameters to their correct order.
6703 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6705 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6707 2001-07-25 Jan Hubicka <jh@suse.cz>
6708 Richard Henderson <rth@redhat.com>
6710 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6712 (make_edges): New argument update_p; populate the edge cache if set.
6713 (find_basic_blocks): Update make_edges invocation.
6715 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6717 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6719 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6721 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6722 -Acpu and -Amachine.h.
6723 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6724 Corrected header to say ELF not a.out.
6725 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6726 when given -msoft-float.
6728 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6730 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6731 extra multilib parts like arm-elf.
6732 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6733 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6734 crtfini.o as extra multilib parts.
6736 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6738 * configure.in: Add rtems as a supported thread model.
6739 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6740 * configure: Rebuilt.
6742 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6744 * stor-layout.c (get_mode_alignment): make it work when
6745 BITS_PER_UNIT is not a power of two.
6746 * builtins.c (get_pointer_alignment): Likewise.
6748 2001-07-24 Richard Henderson <rth@redhat.com>
6750 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6751 the retrieved constant into the expected mode.
6753 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6755 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6756 (verify_flow_info): Check for duplicated edges; clarify
6759 * flow.c (block_label): Update basic_block_for_insn.
6760 (commit_edge_insertions): Call compute_bb_for_insn.
6762 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6765 * flow.c (redirect_edge_and_branch,
6766 try_optimize_cfg): Use redirect_edge_succ_nodup
6767 (redirect_edge_succ_nodup): New.
6768 * basic_block.h (redirect_edge_succ_nodup): Declare.
6770 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6773 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6775 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6776 (try_crossjump_to_edge): Update commetns.
6777 (try_crossjump_bb): Likewise.
6779 2001-07-24 Richard Henderson <rth@redhat.com>
6781 * combine.c (distribute_notes): Move set of need_refresh
6782 for noop_move_p down to catch all cases.
6784 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6786 * recog.c (split_all_insns_noflow): New.
6787 * rtl.h (split_all_insns_noflow): Declare.
6788 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6789 * m68hc11.c (m68hc11_reorg): Likewise.
6790 * sh.c (machine_dependent_reorg): Likewise.
6791 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6794 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6796 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6797 (ashlsi3_n splitter): Likewise.
6798 (lshrsi3_n splitter): Likewise.
6800 (GOTaddr2picreg): Make const SImode.
6801 (sym_label2reg): Likewise.
6802 (symGOT2reg): Likewise.
6803 (symGOTOFF2reg) Likewise.
6805 (casesi_worker_0): Make unspec SImode.
6807 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6809 * config/sh/sh.c (barrier_align): Check that an operand really is
6810 an insn before extracting its INSN_CODE.
6812 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6814 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6817 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6818 for SImode to prevent overflow.
6820 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6822 * config/mips/irix6-libc-compat.c: New file.
6823 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6824 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6827 2001-07-24 lars brinkhoff <lars@nocrew.org>
6829 * rtl.texi (REG_POINTER): Document.
6830 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6831 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6833 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6835 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6837 2001-07-23 Richard Henderson <rth@redhat.com>
6839 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6841 2001-07-23 Kazu Hirata <kazu@hxi.com>
6843 * config/h8300/h8300-protos.h: Add a prototype for
6844 general_operand_dst_push.
6845 * config/h8300/h8300.c (general_operand_dst_push): New.
6846 * config/h8300/h8300.h (OK_FOR_T): New.
6847 (EXTRA_CONSTRAINT): Use it.
6848 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6849 the existing movqi pattern.
6850 (movhi_push): Likewise.
6852 * reload.c: Fix comment typos.
6854 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6856 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6858 2001-07-23 H.J. Lu (hjl@gnu.org)
6860 * doc/extend.texi: Update __builtin_return_address and
6861 __builtin_frame_address.
6863 2001-07-23 Richard Henderson <rth@redhat.com>
6865 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6867 * config/i386/i386.md: New setcc+movzbl peephole2.
6869 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6871 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6872 * objc/objc-act.c: Include debug.h.
6873 (synth_module_prologue): Save and restore debug hooks too.
6875 2001-07-23 lars brinkhoff <lars@nocrew.org>
6877 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6878 and C4X_FLOAT_FORMAT.
6879 (BOOL_TYPE_SIZE): Document.
6881 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6883 * unroll.c (loop_iterations): Fix miscalculation of initial
6886 2001-07-13 Andrew Haley <aph@redhat.com>
6888 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6889 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6890 * config/sh/sh.c (sh_can_redirect_branch): New function.
6891 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6892 * reorg.c (steal_delay_list_from_target): Use
6893 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6895 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6897 * flow.c (try_simplify_condjump): Unlink insn chain on
6898 fallthru edge; use can_fallthru.
6900 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6902 * basic-block.h (find_sub_basic_block): Declare.
6903 * flow.c (make_edges): New arguments MIN and MAX;
6904 (find_sub_basic_blocks): Revamp to use make_edges
6905 and purge_dead_edges.
6906 (find_basic_blocks): Update call of find_sub_basic_block.
6908 * recog.c (split_all_insns): Always expect CFG to be consistent;
6909 call find_sub_basic_blocks in case something has changed.
6910 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6913 * basic-block.h (delete_noop_moves): Declare.
6914 * combine.c (combine_instructions): Call it.
6915 (recog_for_combine): Tolerate noop moves
6916 (distribute_notes): Force refresh when register dies at noop move.
6917 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6919 (life_analysis): Update delete_noop_moves call.
6920 (set_noop_p): Move too ...
6921 * rtlanal.c (noop_move_p): ... here.
6922 * rtl.h (noop_move_p): Declare.
6924 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6925 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6927 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6928 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6930 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6932 * reload.c (push_reload): Fix typo in comment.
6933 (find_reloads_address): Ditto.
6934 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6936 2001-07-22 Richard Henderson <rth@redhat.com>
6938 * flow.c: Grammar check and clarify a lot of comments.
6939 (try_simplify_condjump): Rename variables to be clearer.
6940 (try_forward_edges): Skip complex and fallthru edges.
6941 Rearrange tests to avoid duplicate checks.
6942 (flow_find_cross_jump): Likewise.
6943 (outgoing_edges_match): Allow match if neither branch has
6944 probability data. Loosen probability match to 5%.
6945 (try_crossjump_to_edge): Hoist repeated indirection into
6947 (try_crossjump_bb): Don't check complex edges. Eliminate
6948 redundant crossjump tests.
6949 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6950 checks before more expensive checks.
6952 2001-07-22 Richard Henderson <rth@redhat.com>
6954 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6955 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6958 2001-07-22 Richard Henderson <rth@redhat.com>
6960 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6961 (const_sint32_operand): Likewise.
6962 * m68k.md (anon mulsi pattern): Use const_int_operand not
6963 const_sint32_operand.
6964 (umulsi3_highpart): Zero extend a constant input.
6965 (smulsi3_highpart): Don't bother checking SImode constant.
6966 (const_umulsi3_highpart): Give op3 DImode.
6967 (const_smulsi3_highpart): Likewise.
6969 2001-07-22 Richard Henderson <rth@redhat.com>
6971 * flow.c (split_block): Make sure bb_note is included in the
6972 new block when splitting before a label.
6974 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6976 * basic-block.h (redirect_edge_and_branch_force,
6977 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6978 * flow.c (redirect_edge_and_branch_force,
6979 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6980 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6981 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6982 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6983 instead of label; update CFG after transformation.
6984 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6985 for finishing the transformation; handle even case where ELSE
6986 does not follow THEN.
6987 (find_if_case_2): Update call of dead_or_predictable; simplify
6990 * emit-rtl.c (split_branch_probability): New global variable.
6991 (try_split): Take care to set split_branch_probability and
6992 create REG_BR_PROB note for new jump insns.
6993 * md.texi (define_split): Document new feature.
6995 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6997 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6999 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
7000 (asm_out_file): Remove redundant declaration.
7001 (assemble_asm): Remove old #if 0 block.
7002 (assemble_variable): Remove end of function; debug output is
7003 now handled with global_decl. Remove old #if 0 block. Update.
7004 Remove saved_in_section and associated no-op code.
7005 * Makefile.in (varasm.o): Correct dependencies.
7007 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
7009 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
7010 the definition in defaults.h.
7012 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
7014 * jump.c: Update comments.
7015 (delete_barrier_successors, delete_unreferenced_labels,
7016 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
7017 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
7018 jump_optimize, jump_optimize_minimal): Kill.
7019 (rebuild_jump_labels): Move code from jump_optimize_1.
7020 (purge_line_number_notes): Likewise.
7021 (copy_loop_headers): Likewise.
7022 * reg-stack.c: Update comment.
7024 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
7025 JUMP_AFTER_REGSCAN): Kill.
7026 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
7027 purge_line_number_notes and copy_loop_headers.
7029 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
7030 Richard Henderson <rth@redhat.com>
7032 * dbxout.c (dbxout_global_decl): New.
7033 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7034 * sdbout.c (sdbout_finish): New.
7035 (sdbout_debug_hooks): Use it, add comments.
7036 (sdbout_global_decl): Defer initialised public vars to
7038 * varasm.c (assemble_variable): Don't output debug information
7039 for file-scope variables.
7041 2001-07-22 Richard Henderson <rth@redhat.com>
7043 * config/alpha/alpha.c (get_trap_mode_suffix): New.
7044 (get_round_mode_suffix): New.
7045 (print_operand): Use them for [/]. Remove support for [&'`()+].
7046 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
7047 * config/alpha/alpha.md (attr round_suffix): New.
7048 (attr trap_suffix): New.
7049 (all insns): Set them appropriately. Use %/ instead of the
7052 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7054 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
7056 2001-07-22 Richard Henderson <rth@redhat.com>
7058 * regrename.c (regrename_optimize): Compute nregs for each
7059 potential target register.
7061 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
7062 Richard Henderson <rth@redhat.com>
7064 * dbxout.c (dbxout_global_decl): New.
7065 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
7066 * sdbout.c (sdbout_finish): New.
7067 (sdbout_debug_hooks): Use it, add comments.
7068 (sdbout_global_decl): Defer initialised public vars to
7070 * varasm.c (assemble_variable): Don't output debug information
7071 for file-scope variables.
7073 2001-07-21 H.J. Lu (hjl@gnu.org)
7075 * config/mips/mips.c (mips_cpu): Moved into ...
7076 (override_options): Here.
7078 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
7080 (mips_cpu): Removed.
7082 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7084 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
7085 ("iorqi3"): Likewise.
7086 ("xorqi3"): Likewise.
7087 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
7088 ("*subhi3_sp): Likewise.
7089 ("*subhi3"): Likewise.
7090 ("extendhisi2"): Accept D, X and Y as source operand to avoid
7093 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
7095 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
7096 * config/freebsd.h: Likewise.
7097 * config/linux.h: Likewise.
7098 * config/openbsd.h: Likewise.
7099 * config/alpha/linux-elf.h: Likewise.
7100 * config/arm/linux-elf.h: Likewise.
7101 * config/d30v/d30v.h: Likewise.
7102 * config/fr30/fr30.h: Likewise.
7103 * config/ia64/aix.h: Likewise.
7104 * config/ia64/ia64.h: Likewise.
7105 * config/mips/linux.h: Likewise.
7106 * config/pj/pj.h: Likewise.
7107 * config/rs6000/linux.h: Likewise.
7108 * config/sparc/linux.h: Likewise.
7109 * config/sparc/linux64.h: Likewise.
7111 2001-07-20 Bruce Korb <bkorb@gnu.org>
7113 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
7114 because getc() and char* may disagree on signedness.
7116 2001-07-20 Richard Henderson <rth@redhat.com>
7118 * doc/rtl.texi (REG_DEAD): Update for current semantics.
7120 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
7121 insns to delete in the presence of cc0 in a jump insn.
7123 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
7124 Jan Hubicka <jh@suse.cz>
7126 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
7127 of doing the change by hand.
7129 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
7131 * rtlanal.c (set_noop_p): Return true for noop jumps.
7133 * expr.c (emit_single_push_insn): Add call to push expander.
7134 * expr.h (optab_index): Add OTI_push
7135 (push_optab): New constant.
7136 * genopinit.c (optabs): Add push_optab.
7137 * optabs.c (init_optab): Init push optab.
7138 * md.texi (push??1): Document
7140 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7142 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
7143 expand to emit the pattern; put a REG_INC note for push/pop
7145 ("movdf", "movdf_internal"): Likewise.
7146 ("movsi", "movsi_internal"): Likewise.
7147 ("movsf", "movsf_internal"): Likewise.
7148 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
7150 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7152 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
7155 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
7157 * params.def: Change default max inline insns to 100.
7159 2001-07-20 Diego Novillo <dnovillo@redhat.com>
7161 * combine.c (combine_simplify_rtx): Generate a new shift operation
7162 when simplifying the first operand of a (neg (ashift)) expression.
7164 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7166 * regclass.c (N_REG_INTS): Use only 32 bits per element.
7168 2001-07-20 Kelley Cook <kelley.cook@home.com>
7170 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
7171 information. Move rest into ...
7172 (*-*-solaris): ... here. Eliminate redundant information and
7173 reword necessary packages section. Delete 4.x assembler bug info.
7174 (sparc-sun-*): Merge into ...
7175 (sparc-sun-sunos*): here.
7177 2001-07-20 Catherine Moore <clm@redhat.com>
7179 * config/v850/v850.md (casesi): Generate LABEL_REF
7182 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
7184 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
7185 * i386.c (ix86_zero_extend_to_Pmode): Make global.
7186 * i386.md (strclrsi expander): Use it.
7188 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7190 * integrate.c (copy_insn_list): handle
7191 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
7192 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
7193 identically as to CODE_LABEL.
7195 * fold-const (fold): Convert A/B/C to A/(B*C) and
7198 * except.c (connect_post_landing_pads): Delete the RESX insns.
7200 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
7202 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
7204 * config/mips/mips.md (nmadd/nmsub): Use macro.
7206 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
7208 * cppinit.c (remove_dup_dir): Make static.
7209 (remove_dup_dirs): Make static. Only warn about preempting a
7210 system directory with a non-system directory.
7212 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7214 * ifcvt.c (noce_try_store_flag_constants): Correct order
7215 of parameters to trunc_int_for_mode.
7217 2001-07-19 Mark Mitchell <mark@codesourcery.com>
7219 * reorg.c (fill_simple_delay_slots): If an instruction might throw
7220 an exception that will be caught within this function, do not fill
7221 its delay slot with any subsequent instruction.
7223 2001-07-19 Steve Ellcey <sje@cup.hp.com>
7225 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
7226 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
7227 pointer extension instruction.
7228 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
7229 * simplify-rtx.c (simplify_unary_operation) Likewise.
7230 * explow.c (convert_memory_address) Check value of
7231 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
7233 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
7234 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
7235 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
7236 Add Multilib Support.
7237 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
7238 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
7239 Add Multilib Support.
7240 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
7242 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
7243 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
7244 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
7246 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
7248 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
7249 old and new operands in `<', `3' and `b'.
7251 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7253 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
7254 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
7255 (toplev.o): Don't depend on xcoffout.h.
7256 * c-decl.c: Include debug.h
7257 (duplicate_decls): Use debug hook.
7258 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
7259 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7260 (dbxout_types): Remove.
7261 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
7262 * debug.c (do_nothing_debug_hooks): Update.
7263 (debug_true_tree, debug_nothing_rtx): New.
7264 * debug.h (struct rtx_def): New.
7265 (struct gcc_debug_hooks): New hooks ignore_block,
7266 outlining_inline_function and label.
7267 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
7268 dwarf2out_frame_finish): New.
7269 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
7270 Make static, update prototype.
7271 (dwarf2_debug_hooks): Update.
7272 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
7273 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
7274 * dwarfout.c (dwarf_debug_hooks): Update.
7275 * emit-rtl.c: Include debug.h.
7276 (remove_unnecessary_notes): Use debug hook.
7277 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
7278 (final_scan_insn): Use debug hook.
7279 * integrate.c (output_inline_function): Use debug hook.
7280 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
7281 (sdb_debug_hooks): Update.
7282 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
7283 * toplev.c: Don't include xcoffout.h.
7284 (note_outlining_of_inline_function, debug_ignore_block): Remove.
7285 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
7287 * tree.h (dwarf2out_do_frame): Remove.
7289 2001-07-19 Catherine Moore <clm@cygnus.com>
7291 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
7293 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
7295 * reload1.c (eliminate_regs_in_insn): When updating a set
7296 to the frame pointer to the hardware frame pointer, perform
7297 the update always not just when REPLACE is set.
7299 * reload1.c (choose_reload_regs): Don't inherit a reload
7300 that crosses multiple registers if registers past the first
7301 don't fit in the desired class.
7303 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
7304 when negating constants.
7306 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
7308 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
7309 * doc/tree.texi: Ditto.
7311 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
7312 Jakub Jelinek <jakub@redhat.com>
7314 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
7315 (extract_cie_info): Handle "eh" augmentation properly,
7317 (struct frame_state, __frame_state_for): New.
7319 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7321 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
7322 HANDLE_SYSV_PRAGMA): Define.
7323 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
7325 (copy_object): Caller changed.
7327 2001-07-19 Andreas Schwab <schwab@suse.de>
7329 * configure.in (assembler dwarf2 debug_line support): Define nop
7331 * configure: Regenerated.
7333 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7335 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
7337 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
7338 to conditionally compiled block.
7339 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7340 * dbxout.h (dbxout_function): Remove.
7341 * debug.c (do_nothing_debug_hooks): Update.
7342 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
7343 global_decl, deferred_inline_function.
7344 * dwarf2out.c (dwarf2_debug_hooks): Update.
7345 (dwarf2out_global_decl): New.
7346 * dwarfout.c: Don't include dwarfout.h.
7347 (dwarfout_global_decl, dwarfout_function_decl,
7348 dwarfout_deferred_inline_function): New.
7349 (dwarf_debug_hooks): Update.
7350 * dwarfout.h: Remove.
7351 * final.c: Don't include dwarfout.h.
7352 * sdbout.c (sdbout_global_decl): New.
7353 (sdbout_debug_hooks): Update.
7354 * toplev.c: Don't include dwarfout.h.
7355 (check_global_declarations, rest_of_compilation): Use new debug hooks.
7356 (note_deferral_of_defined_inline_function): Remove.
7357 * toplev.h (note_deferral_of_defined_inline_function): Remove.
7358 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
7359 * ch/lex.c: Don't include dwarfout.h.
7360 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
7361 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
7362 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
7363 * cp/optimize.c: Include debug.h.
7364 (maybe_clone_body): Use debug hook.
7365 * cp/semantics.c: Include debug.h.
7366 (expand_body): Use debug hook.
7367 * po/POTFILES.in: Remove dwarfout.h.
7369 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
7371 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
7372 * c-parse.in (yyerror, _yylex): Similarly.
7373 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
7374 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
7376 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
7377 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
7379 2001-07-18 Jeff Sturm <jsturm@one-point.com>
7381 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
7382 in-class declaration at -g1. Fixes c++/2814.
7384 2001-07-18 Richard Henderson <rth@redhat.com>
7386 * doc/md.texi (reload_in/out): Document restrictions in predicates
7387 and constraints for these patterns. Document empty string matching
7390 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7392 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
7394 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7396 * cse.c: Undo my previous patch.
7398 2001-07-18 Tom Tromey <tromey@redhat.com>
7401 * configure: Rebuilt.
7402 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
7404 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
7406 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
7407 Jan Hubicka <jh@suse.cz>
7409 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
7410 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
7411 * jump.c (mark_jump_label): Do not forward branches.
7413 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
7415 * cse.c (delete_trivially_dead_insns): Delete the libcall block
7416 when return value is unused.
7418 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7420 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
7422 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
7424 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
7425 on error. We can't blindly return the result of
7426 pthread_mutex_trylock because it returns a positive number on
7427 error, while we must return -1 on error.
7428 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
7430 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
7432 2001-07-18 Andreas Jaeger <aj@suse.de>
7434 * integrate.c (output_inline_function): Correct type of debug_hooks.
7436 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
7438 * combine.c (combine_simplify_rtx): DIV can be treated
7439 associatively for floats if unsafe math optimisations are enabled.
7441 2001-07-17 Richard Henderson <rth@redhat.com>
7443 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
7445 2001-07-17 Richard Henderson <rth@redhat.com>
7447 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
7448 don't force the function address into a register.
7449 (expand_call, emit_library_call_value_1): Update callers.
7450 * builtins.c (expand_builtin_apply): Likewise.
7451 * expr.h (prepare_call_address): Update decl.
7453 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
7455 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
7457 * config/i386/chorus.h: Move up.
7458 * config/sparc/chorus.h: Likewise.
7459 * config/rs6000/chorus.h: Likewise.
7460 * config/chorus.h: Moved here.
7462 2001-07-17 Andreas Schwab <schwab@suse.de>
7464 * configure.in (assembler eh_frame optimization): Handle big
7466 * configure: Regenerated.
7468 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
7470 * expr.c (epxand_expr): Convert divisions into multiplications by
7471 reciprocals if -ffast-math.
7473 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
7475 * dbxout.c (dbxout_really_begin_function): Rename to
7476 dbxout_begin_function.
7477 (dbx_debug_hooks, xcoff_debug_hooks): Update.
7478 (dbxout_begin_function): Remove.
7479 (dbxout_function): Update.
7480 (dbxout_source_line): Update prototype.
7481 * dbxout.h (dbxout_begin_function): Remove.
7482 * debug.c (do_nothing_debug_hooks): Update.
7483 (debug_nothing_tree): Update.
7484 (debug_nothing_charstar_rtx): Remove.
7485 * debug.h (union tree_node): Declare.
7486 (struct rtx_def): Remove.
7487 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
7488 begin_function. Change source_line prototype.
7489 (debug_nothing_tree): New.
7490 (debug_nothing_charstar_rtx): Delete.
7491 (dwarf2out_begin_prologue): Moved from ...
7493 * dwarf2out.c (dwarf2_debug_hooks): Update.
7494 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
7495 debug info, call dwarf2out_source_line.
7496 (dwarf2out_souce_line): Update prototype.
7497 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
7498 Change prototype, make static.
7499 (dwarfout_source_line): Update prototype.
7500 (dwarf_debug_hooks): Update.
7501 * dwarfout.h (dwarfout_begin_function): Remove.
7502 * final.c (final_start_function, final_scan_insn): Use appropriate
7503 debug hooks, update to use notice_source_line.
7504 (output_source_line): Rename notice_source_line. Don't call the
7505 source_line debug hook.
7506 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
7507 make static, update prototype.
7508 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
7510 (sdbout_end_prologue): New.
7511 (sdbout_source_line): Update prototype.
7512 (sdbout_debug_hooks): Update.
7513 (sdbout_symbol): Remove unused var.
7514 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
7516 * varasm.c: Include debug.h.
7517 (assemble_start_function): Use begin_function debug_hook.
7518 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7519 update with prototype.
7520 (xcoffout_source_line): Update prototype.
7521 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
7523 (xcoffout_source_line): Update prototype.
7525 2001-07-17 Richard Henderson <rth@redhat.com>
7527 * c-typeck.c (build_binary_op): Do not shorten unsigned
7528 right shift after sign extension.
7530 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
7532 * combine.c (combine_simplify_rtx): Attempt to simplify
7533 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
7535 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
7536 (simplify_binary_operation, simplify_unary_operation,
7537 simplify_relational_operation): Use it.
7539 * combine.c (combine_simplify_rtx): Don't do associative law
7540 on divisions; allow associative law on floats.
7542 2001-07-17 H.J. Lu <hjl@gnu.org>
7543 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7545 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
7546 ASM_OUTPUT_WEAK_ALIAS are defined.
7547 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
7548 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
7550 * config/mips/iris5.h: ... here.
7551 (HANDLE_SYSV_PRAGMA): Defined as 1.
7552 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
7553 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
7556 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7558 * c-parse.in (all_prefix_attributes): New variable.
7559 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
7560 (maybe_resetattrs): New production.
7561 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
7562 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
7563 notype_initdcl, nested_function, notype_nested_function,
7564 component_decl, components, components_notype,
7565 component_declarator, component_notype_declarator,
7566 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
7567 ivars, mydecl, myparm): Update. Avoid prefix attributes just
7568 after a comma being applied to more than one declarator.
7569 * doc/extend.texi (Attribute Syntax): Update. Remove
7570 documentation of bugs that are no longer present.
7572 2001-07-13 Eric Christopher <echristo@redhat.com>
7574 * config/mips/mips.h: Change TUNE_MIPS* options to use
7576 (EXTRA_SPECS): Add cc1_cpu_spec.
7577 * config/mips/mips.md (muldf3): Fix typo.
7579 2001-07-16 Richard Henderson <rth@redhat.com>
7581 * config/m68k/m68k.c: Include expr.h and reload.h.
7582 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
7583 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
7585 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7586 Richard Henderson <rth@redhat.com>
7588 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
7589 (insn_live_p): Fix fall off end of function.
7590 (dead_libcall_p): Remove COUNTS argument; update callers.
7591 (delete_trivially_dead_insns): Remove unused variables.
7593 2001-07-17 Andreas Jaeger <aj@suse.de>
7595 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7598 * lcm.c (optimize_mode_switching): Avoid warning for unused
7599 variable if !NORMAL_MODE.
7601 * flow.c (try_crossjump_to_edge): Remove unused variable.
7603 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
7605 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
7606 atexit declaration in stdlib.h.
7608 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
7610 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
7612 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7614 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
7615 * except.c (finish_eh_generation): Update call of cleanup_cfg;
7616 do rebuild_jump_labels instead of jump_optimize
7617 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7618 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7619 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7621 * flow.c: Include timevar.h
7622 (find_basic_block): Push/pop timevar;
7623 (cleanup_cfg): Likewise.
7624 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7625 * Makefile: Add dependencies on timevar.h
7627 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
7628 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7630 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7631 * toplev.c (rest_of_compilation): Update calls.
7632 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7633 (delete_trivially_dead_insns): ... here; accept new argument
7634 preserve_basic_blocks; preserve basic blocks if set.
7636 * reg-stack.c (stack_regs_mentioned): Return 0 if
7637 stack_regs_mentioned_data is not initialized.
7638 (reg_to_stack): Make stack_regs_mentioned survive after the
7639 reg-stack is completted; do not call cleanup_cfg.
7640 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7641 make cleanup_cfg after bb-reorder to output to debug file.
7643 2001-07-16 Richard Henderson <rth@redhat.com>
7645 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7646 from int_reg_class_contents.
7648 2001-07-16 Richard Henderson <rth@redhat.com>
7650 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7651 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7652 (init_reg_sets_1): Move initialization from cse_main.
7653 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7654 (cse_main): Move its initialization also.
7655 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7656 * flow.c (propagate_one_insn): Likewise.
7657 * gcse.c (compute_hash_table): Likewise.
7658 (compute_kill_rd, compute_store_table): Likewise.
7659 * sched-deps.c (sched_analyze_1): Likewise.
7661 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7663 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7666 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7668 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7669 in if statement so we don't access undefined memory.
7671 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7673 * gcse.c: Update comment at top.
7674 Update comment on mem handling.
7675 mem_last_set, mem_first_set, mem_set_in_block: gone.
7676 Declaration of reg_set_info: gone.
7677 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7678 pointless with load_killed_in_block_p (they are *more*
7679 conservative then it, not less, and less accurate).
7680 (oprs_not_set_p): Ditto.
7681 (alloc_gcse_mem): Don't allocate mem_set_in_block
7682 (free_gcse_mem): Don't free it, either.
7683 (record_last_mem_set_info): Update comment in front, remove
7684 mem_*set_* stuff. Note the reason we don't handle stores directly
7686 (compute_hash_table): Update comments to reflect reality. Remove
7687 mem_*set_* references.
7688 (reset_opr_set_tables): Remove mem_*set_* references.
7690 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7691 (mark_clobber): Ditto (on both parts, we double set here too).
7692 (expr_killed_p): Remove mem_set_in_block test.
7693 (compute_transp): Remove mem_set_in_block test.
7695 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7696 of edge, and removal of phi alternative to dump file.
7697 (ssa_ccp_substitute_constants): Add note about register now being
7698 constant, and which uses were replaced in what insns to dump file.
7700 2001-07-16 Andreas Jaeger <aj@suse.de>
7702 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7703 variables of type HOST_WIDEST_INT.
7705 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7706 (__bb_exit_func): Correct type of count_max to avoid overflow.
7707 (num_digits): Handle long long argument.
7709 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7711 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7713 * output.h (sdb_begin_function_line): Restore as an extern
7715 * sdbout.c (sdb_begin_function_line): Make extern.
7717 2001-07-15 Richard Henderson <rth@redhat.com>
7719 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7720 * genrecog.c (maybe_both_true_mode): New.
7721 (maybe_both_true_2): Use it.
7722 (write_switch): Don't put Pmode in a switch.
7723 * rtl.c (mode arrays): Don't explicitly size them.
7725 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7727 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7728 handling; move unconditional splitting before mode switching.
7730 * i386.md (type): Add fistp type.
7731 (i387, length_attr, scheduling definitions): Handle this type.
7732 (fix_trunc?f?i2): Revamp to use mode switching.
7733 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7734 * i386.h (fp_cw_mode): New enum
7735 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7736 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7738 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7740 * Makefile.in (integrate.o): Add debug.h.
7741 * integrate.c (debug.h): Add.
7742 (output_inline_function): Save, reset, and restore debug_hooks.
7744 2001-07-15 Richard Henderson <rth@redhat.com>
7746 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7747 instead of COMPARE for the EQUIV expression.
7749 2001-07-15 Richard Henderson <rth@redhat.com>
7751 * flow.c (redirect_edge_and_branch_force): Initialize
7752 global_live_at_start and global_live_at_end.
7753 (allocate_bb_life_data): Export.
7754 * basic-block.h (allocate_bb_life_data): Declare.
7755 * toplev.c (rest_of_compilation): Call it.
7757 2001-07-15 Richard Henderson <rth@redhat.com>
7759 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7760 (alpha_tablejump_best_label): New.
7761 * config/alpha/alpha-protos.h: Declare them.
7762 * config/alpha/alpha.md: Use braced strings for code blocks.
7763 (tablejump_osf): Break out add with r29.
7764 (tablejump_osf_internal): Remove.
7765 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7766 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7768 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7770 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7773 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7775 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7776 (ix86_fp_jump_nontrivial_p): New.
7777 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7778 use ix86_fp_jump_nontrivial_p.
7779 * i386.c (ix86_fp_jump_nontrivial_p): New.
7780 (ix86_split_fp_branch): Accept code instead of rtx.
7781 (ix86_expand_compare): Expand comparison early in case
7782 doing so is resonably cheap.
7784 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7786 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7788 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7789 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7791 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7793 * dbxout.c (dbxout_source_line): Make static, update prototype.
7794 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7795 (dbxout_init, dbxout_finish, dbxout_source_line,
7796 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7797 * dbxout.h (dbxout_source_line): Delete.
7798 * debug.c (debug_nothing_file, debug_nothing_file_int,
7799 debug_nothing_file_charstar_rtx): New.
7800 (do_nothing_debug_hooks): Update.
7801 (debug_nothing_void, debug_nothing_charstar_rtx,
7802 dwarf2out_end_epilogue): New.
7803 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7804 * debug.h (struct rtx_def): Declare.
7805 (gcc_debug_hooks): New hooks source_line, end_epilogue
7807 (debug_nothing_void, debug_nothing_charstar_rtx,
7808 dwarf2out_end_epilogue): New.
7809 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7810 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7811 (dwarf2_debug_hooks): Update.
7812 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7813 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7814 * dwarf2out.h (dwarf2out_source_line): Remove.
7815 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7816 Make static, update prototype.
7817 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7818 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7819 (dwarf_debug_hooks): Update.
7820 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7821 dwarfout_end_function): Remove.
7822 * final.c (profile_function): Use debug hooks for ending functions
7824 (output_source_line, final_end_function): Update prototype,
7826 (final_start_function, final_scan_insn): Update.
7827 * output.h (sdb_begin_function_line): Remove.
7828 (final_end_function): Update prototype.
7829 * sdbout.c (sdb_begin_function_line): Make static.
7830 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7831 (sdbout_source_line): New.
7832 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7834 (sdb_debug_hooks): Update.
7835 (sdbout_init, sdbout_source_line,
7836 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7837 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7838 * toplev.c (compile_file, rest_of_compilation): Update.
7839 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7840 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7841 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7842 Update for prototype changes.
7843 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7844 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7846 2001-07-15 Richard Henderson <rth@redhat.com>
7848 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7849 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7850 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7851 * config/alpha/alpha.c: Likewise.
7852 * config/alpha/alpha.md: Likewise.
7853 * config/alpha/alpha32.h: Likewise.
7854 * config/alpha/vms.h: Likewise.
7857 2001-07-14 Richard Henderson <rth@redhat.com>
7859 * config/alpha/alpha.md: Use define_constants for unspec values.
7860 Substitute throughout.
7862 2001-07-14 Tim Josling <tej@melbpc.org.au>
7864 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7866 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7868 * pa.md: Remove unused constraints from define_split's.
7870 2001-04-14 Richard Henderson <rth@redhat.com>
7872 * ifcvt.c (find_cond_trap): Test for exit block.
7874 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7876 Re-install recently reverted patch.
7877 * emit-rtl.c (try_split): Update mark_jump_label call.
7878 * flow.c (find_sub_basic_blocks): Likewise.
7879 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7881 (mark_all_labels): Kill second parameter.
7882 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7883 (rebuild_jump_labels, jump_optimize_minimal): Update call
7885 (jump_optimize_1): Kill crossjumping code.
7886 (mark_jump_label): Kill cross_jump parameter.
7887 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7888 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7889 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7891 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7893 (dump_file_info): Likewise.
7894 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7895 reorganize passes to do reg-stack first, bb-reorder second.
7896 * invoke.texi (-d letters doc): Remove the jump2 pass.
7898 2001-07-14 Richard Henderson <rth@redhat.com>
7900 * ifcvt.c (find_cond_trap): New.
7901 (find_if_header): Call it.
7902 (merge_if_block): Relax existing jump sanity check.
7903 * jump.c (jump_optimize_1): Remove conditional trap handling.
7905 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7907 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7909 (insn_refs_are_delayed): Correct comment.
7910 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7911 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7912 instead of r31. Make associated insn !TARGET_64BIT, and
7913 provide an additional 64-bit insn that clobbers r2.
7915 (udivsi3): Likewise.
7917 (umodsi3): Likewise.
7919 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7921 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7923 * flow.c (redirect_edge_and_branch_force, split_edge,
7924 try_crossjump_to_edge): Use set_block_for_new_insns.
7925 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7927 2001-07-13 H.J. Lu (hjl@gnu.org)
7929 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7932 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7934 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7936 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7938 * c-common.c (decl_attributes): Take a pointer to the node to
7939 which attributes are to be attached, and a flags argument.
7940 * c-common.h (enum attribute_flags): New.
7941 (decl_attributes): Update prototype.
7942 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7943 finish_enum, start_function): Update calls to decl_attributes.
7944 * c-parse.in (component_declarator, component_notype_declarator,
7945 label): Update calls to decl_attributes.
7947 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7949 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7950 * config/avr/avr.c (legitimate_address_p): Return value changed
7951 from letter to register classes. For better debugging.
7953 2001-07-13 Kazu Hirata <kazu@hxi.com>
7955 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7957 2001-07-13 H.J. Lu (hjl@gnu.org)
7959 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7961 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7963 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7964 correctly for shared configurations.
7965 * config/t-libgcc-pic: New.
7966 * config/{i386,m68k,sparc}/t-openbsd: New.
7967 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7968 Support -shared. Support debugging libraries with -g.
7969 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7970 frame information does not emit pointer diffs.
7971 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7974 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7976 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7978 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7980 * combine.c (try_combine): Ensure const_int pow2 is positive.
7982 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7984 * config.gcc: Add configuration for s/390.
7985 * config/s390/s390.c: New. Subroutines for code generation.
7986 * config/s390/s390.h: New. Definitions for s/390.
7987 * config/s390/s390-protos.h: New. Prototypes.
7988 * config/s390/linux.h: New. Definitions for linux for s/390.
7989 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7990 * config/s390/t-linux: New. Makefile fragment.
7991 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7992 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7994 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7996 * emit-rtl.c (try_split): Update mark_jump_label call.
7997 * flow.c (find_sub_basic_blocks): Likewise.
7998 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
8000 (mark_all_labels): Kill second parameter.
8001 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
8002 (rebuild_jump_labels, jump_optimize_minimal): Update call
8004 (jump_optimize_1): Kill crossjumping code.
8005 (mark_jump_label): Kill cross_jump parameter.
8006 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
8007 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
8008 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
8010 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
8012 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
8013 reorganize passes to do reg-stack first, bb-reorder second.
8014 * invoke.texi (-d letters doc): Remove the jump2 pass.
8016 2001-07-12 Steve Ellcey <sje@cup.hp.com>
8018 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
8020 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
8022 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
8024 (verify_flow_info): Make diagnostics prettier.
8026 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
8028 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
8030 * flow.c (outgoing_edges_match): Return early if condition reversal
8033 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
8035 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
8036 (mips_move_2words): When splitting a move into two instructions,
8037 prefix the second address operand with '%D'.
8039 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
8041 * Makefile.in (final.o): Depend on debug.h.
8042 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
8043 (dbx_debug_hooks): Add new hooks.
8044 (xcoff_debug_hooks): New.
8045 * debug.c (debug_nothing_file_int_int): New.
8046 (do_nothing_debug_hooks): Update.
8047 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
8048 (debug_nothing_file_int_int): New.
8049 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
8050 static, update prototype.
8051 (dwarf2_debug_hooks): Update.
8052 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
8053 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
8054 static, update prototype.
8055 (dwarf_debug_hooks): Update.
8056 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
8057 * final.c: Include debug.h.
8058 (final_scan_insn): Use debug hooks when beginning and ending blocks.
8059 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
8060 static, update prototype.
8061 (sdb_debug_hooks): Update.
8062 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
8063 * toplev.c: Distinguish between xcoff and dbx.
8065 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
8066 Call all debug hooks, not just dwarf ones.
8068 2001-07-11 Timothy Wall <twall@redhat.com>
8070 * config.gcc: Add configuration for AIX5/IA64.
8071 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
8072 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
8073 support prefix/suffix code.
8074 * config/ia64/t-aix: New. Makefile fragment.
8075 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
8077 2001-07-11 Kazu Hirata <kazu@hxi.com>
8079 * recog.c (validate_change): Fix a comment typo.
8081 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
8083 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
8084 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
8086 * dbxout.c (dbx_debug_hooks): Add new hooks.
8087 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
8089 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
8091 * dbxout.h (dbxout_start_new_source_file,
8092 dbxout_resume_previous_source_file): Delete.
8093 * debug.c (do_nothing_debug_hooks): Add new hooks.
8094 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8095 (debug_nothing_int_charstar, debug_nothing_int): New.
8096 * debug.h (gcc_debug_hooks): New hooks define, undef,
8097 start_source_file and end_source_file.
8098 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
8099 (debug_nothing_int_charstar, debug_nothing_int): New.
8100 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
8101 the conditionally compiled section.
8102 (dwarf2out_start_source_file, dwarf2out_end_source_file,
8103 dwarf2out_define, dwarf2out_undef): Make static.
8104 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
8105 dwarf2out_define, dwarf2out_undef): Remove.
8106 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
8107 (dwarfout_start_source_file, dwarfout_end_source_file,
8108 dwarfout_define, dwarfout_undef): Make static.
8109 (dwarfout_start_source_file_check,
8110 dwarfout_end_source_file_check): New.
8111 (dwarfout_define, dwarfout_finish): Update.
8112 * dwarfout.h (dwarfout_start_new_source_file,
8113 dwarfout_resume_previous_source_file, dwarfout_define,
8114 dwarfout_undef): Remove.
8115 * sdbout.c (sdb_debug_hooks): Add new hooks.
8116 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
8118 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
8119 make static, take an arg.
8120 * sdbout.h (sdbout_start_new_source_file,
8121 sdbout_resume_previous_source_file): Delete.
8122 * toplev.c (debug_start_source_file, debug_end_source_file,
8123 debug_define, debug_undef): Delete.
8124 * toplev.h (debug_start_source_file, debug_end_source_file,
8125 debug_define, debug_undef): Delete.
8127 * java/jcf-parse.c: Include debug.h.
8128 (parse_class_file): Update to use debug hooks directly.
8129 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
8131 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8133 * alias.c (set_mem_alias_set): New function.
8134 * rtl.h (set_mem_alias_set): Declare it.
8135 * builtins.c (expand_builtin_return_addr): Call it instead of
8136 using MEM_ALIAS_SET accessor.
8137 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
8138 (get_memory_rtx, expand_builtin_va_arg): Likewise.
8139 (expand_builtin_va_copy):Likewise.
8140 * caller-save.c (setup_save_areas): Likewise.
8141 * calls.c (compute_argument_addresses): Likewise.
8142 * explow.c (set_mem_attributes): Likewise.
8143 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
8144 (expand_assignment, store_constructor_field, store_field): Likewise.
8145 (expand_expr_unaligned): Likewise.
8146 * function.c (assign_stack_temp_for_type): Likewise.
8147 (put_reg_into_stack, gen_mem_addressof): Likewise.
8148 * ifcvt.c (noce_try_cmove_arith): Likewise.
8149 * reload1.c (reload, alter_reg): Likewise.
8150 * config/alpha/alpha.c (get_aligned_mem): Likewise.
8151 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
8152 (alpha_expand_unaligned_store): Likewise
8153 (alpha_expand_unaligned_load_words): Likewise.
8154 (alpha_expand_unaligned_store_words): Likewise.
8155 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
8156 (alpha_expand_epilogue): Likewise.
8157 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
8158 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
8159 * config/i386/i386.c (legitimize_pic_address): Likewise.
8160 * config/i960/i960.c (setup_incoming_varargs): Likewise.
8161 * config/ia64/ia64.c (spill_restore_mem): Likewise.
8162 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
8163 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
8164 * config/mips/mips.c (mips_va_arg): Likewise.
8165 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
8166 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
8167 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
8168 (setup_incoming_varargs, rs6000_va_arg): Likewise.
8169 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
8170 (rs6000_emit_epilogue): Likewise.
8171 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
8172 * config/sparc/sparc.c (sparc_va_arg): Likewise.
8173 * config/v850/v850.c (v850_va_arg): Likewise.
8175 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
8177 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
8178 when fallthru edge is present.
8179 (mege_blocks): Handle case where creation of jump insn
8182 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
8183 CLEANUP_POST_REGSTACK): New constants.
8184 * except.c (finish_eh_generation): Update call of cleanup_cfg,
8185 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
8186 * output.h (cleanup_cfg): Update prototype.
8187 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
8188 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
8189 cleanup_cfg call; kill missleading comment.
8190 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
8191 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
8192 parameter; control optimizations performed using it.
8193 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8194 try_crossjump_bb): New functions.
8196 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8198 * pa.c (pa_output_function_prologue): Delete prototype. Make function
8200 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
8201 pa_output_function_prologue.
8202 * pa-protos.h (pa_output_function_prologue): New prototype.
8204 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
8206 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
8207 and low to get correct sign extension in low+high test.
8209 2001-07-11 Janis Johnson <janis@us.ibm.com>
8211 * gcov.c (arcdata): Use gcov_type to fix branch percentage
8212 for large hit count.
8214 * profile.c (branch_prob): Fix .bbg info for computed gotos
8217 2001-07-11 Mark Mitchell <mark@codesourcery.com>
8219 * stmt.c (parse_output_constraint): New function, split out
8221 (expand_asm_operands): ... here. Use parse_output_constraint.
8222 * tree.h (parse_output_constraint): Declare it.
8224 2001-07-11 Richard Henderson <rth@redhat.com>
8226 * bitmap.c: Comment some functions; fiddle whitespace.
8227 (bitmap_free): Don't export.
8228 (bitmap_element_allocate): Use memset.
8229 * bitmap.h (bitmap_free): Don't declare.
8231 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
8233 * gcse.c, lcm.c, sched-deps.c:
8234 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
8236 * flow.c (flow_loops_find): Free dom if we found no loops, since
8237 we aren't going to save it.
8239 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
8242 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
8244 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
8246 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8248 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
8249 #ifndef DWARF2_DEBUGGING_INFO.
8251 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8253 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
8255 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8257 * config/mips/mips.c (gen_int_relational): Tell the caller not to
8258 reverse a branch if a NE comparison is implemented with GTU.
8260 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
8261 H.J. Lu <hjl@gnu.org>
8263 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
8265 (call_internal2): Likewise.
8266 (call_value_internal1): Likewise.
8267 (call_value_internal2): Likewise.
8268 (call_value_multiple_internal1): Likewise.
8269 (call_value_multiple_internal2): Likewise.
8271 2001-07-10 Kazu Hirata <kazu@hxi.com>
8273 * calls.c (emit_library_call_value_1): Fix a comment typo.
8274 * dwarf2out.c (mem_loc_descriptor): Likewise.
8275 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
8277 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
8279 * simplify-rtx.c (simplify_subreg): Fix typo in comment
8281 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8283 * recog.c (offsettable_address_p): Handle LO_SUM case.
8284 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
8285 instead of plus_constant.
8287 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8289 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
8290 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
8292 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8294 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
8295 adjust_address_nv instead of plus_constant.
8297 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
8299 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
8300 dwarf2out.o): Depend on debug.h, wrap long lines.
8301 * dbxout.c: Include debug.h.
8302 (dbx_debug_hooks): New.
8303 (dbxout_init): Make static, take just 2 args.
8304 (dbxout_finish): Make static.
8305 * dbxout.h (dbxout_init, dbxout_finish): Delete.
8306 * debug.c: New file.
8307 * debug.h: New file.
8308 * dwarf2out.c: Include debug.h.
8309 (dwarf2_debug_hooks): New.
8310 (dwarf2out_init): Make static.
8311 (dwarf2out_finish): Make static, take 2 args.
8312 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
8313 * dwarfout.c: Include debug.h.
8314 (dwarf_debug_hooks): New.
8315 (dwarfout_init): Make static.
8316 (dwarfout_finish): Make static, take 2 args.
8317 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
8318 * sdbout.c: Include debug.h.
8319 (sdb_debug_hooks): New.
8320 (sdbout_init): Make static, take 2 args.
8321 * sdbout.h (sdbout_init): Delete.
8322 * toplev.c: Include debug.h.
8324 (compile_file): Set deubg_hooks based on command line options.
8325 Use the hooks unconditionally rather than conditional compilation.
8327 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
8329 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
8330 first_insn_after_basic_block_note instead.
8332 * df.c (df_bb_refs_unlink): #if 0 out for now.
8334 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
8336 * ssa.h: Add prototype for ssa_const_prop
8337 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
8338 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
8339 (ssa_fast_dce): Remove unused variable
8341 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8343 * diagnostic.c (finish_diagnostic): Rename to
8344 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
8347 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
8349 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
8352 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
8353 (dump_file): Only pad the demangled name with spaces if the
8354 mangled name was padded with spaces.
8356 2001-07-10 Bernd Schmidt <bernds@redhat.com>
8358 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
8361 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8363 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
8364 extraction if no direct load if either EXPAND_CONST_ADDRESS or
8367 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
8368 whether can put offset inside LO_SUM to check mode alignment, not size.
8370 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8372 * doc/tm.texi (Misc): Fix thinko.
8374 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
8376 * regmove.c (replace_in_call_usage): Fix warnings.
8377 * sched-deps.c (add_dependence): Fix warnings.
8378 * simplify-rtx.c (simplify_subreg): Likewise.
8379 Return NULL_RTX instead of NULL.
8381 * reg-stack.c (emit_swap_insn): Eliminate warnings.
8382 (subst_asm_stack_regs): Likewise.
8384 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
8387 * dwarf2out.c (output_call_frame_info): Declare i as int.
8388 (build_abbrev_table): Declare n_alloc as int.
8389 (dwarf2out_finish): Initialize die.
8390 * except.c: Declare sjlj_funcdef_number as unsigned.
8391 (connect_post_landing_pads): Declare j as unsigned.
8392 (convert_to_eh_region_ranges): Initialize call_site.
8393 (output_function_exception_table): Initialize tt_format_size.
8394 * expr.c (move_by_pieces_1): Initialize to1.
8395 (store_constructor): Initialize minelt and maxelt.
8396 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
8397 * function.c (instantiate_decls): Avoid signed/unsigned warning.
8399 * c-decl.c (combine_parm_decls): Unused, remove.
8400 * c-tree.h: Remove prototype for combine_parm_decls.
8402 * reload.c (push_reload): Fix warning.
8403 (regno_clobbered_p): Likewise.
8404 * reload1.c (replace_pseudos_in_call_usage): Likewise.
8405 (reload_combine): Likewise.
8407 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
8408 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
8410 * bitmap.c (bitmap_operation): Change user.
8411 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
8413 2001-07-10 Eric Christopher <echristo@redhat.com>
8415 * config/mips/mips.c (override_options): Fix typo.
8417 2001-07-09 Stan Shebs <shebs@apple.com>
8419 * target.h (struct gcc_target): New fields init_builtins and
8421 * target-def.h (TARGET_INIT_BUILTINS): New macro.
8422 (TARGET_EXPAND_BUILTIN): New macro.
8423 (TARGET_INITIALIZER): Add them.
8424 * builtins.c: Include target.h.
8425 (expand_builtin): Use targetm.expand_builtin.
8426 (default_init_builtins): New function.
8427 (default_expand_builtin): New function.
8428 * expr.h (default_init_builtins): Declare.
8429 (default_expand_builtin): Declare.
8430 * c-common.c (c_common_nodes_and_builtins): Use
8431 targetm.init_builtins.
8432 * defaults.h (MD_INIT_BUILTINS): Remove.
8433 * Makefile.in (builtins.o): Depend on target.h.
8435 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
8436 (TARGET_EXPAND_BUILTIN): Define.
8437 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
8438 (MD_EXPAND_BUILTIN): Remove.
8440 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
8441 (TARGET_EXPAND_BUILTIN): Define.
8442 (c4x_init_builtins): Make endlink arg a local.
8443 (c4x_print_operand): Fix typos in adjust_address usages.
8444 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
8445 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
8446 (MD_EXPAND_BUILTIN): Remove.
8448 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
8449 (TARGET_EXPAND_BUILTIN): Define.
8450 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
8451 (ix86_init_builtins): Call new function only if TARGET_MMX.
8452 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
8453 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
8454 (MD_EXPAND_BUILTIN): Remove.
8456 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
8457 (TARGET_EXPAND_BUILTIN): Define.
8458 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
8459 (MD_EXPAND_BUILTIN): Remove.
8461 * doc/tm.texi: Document these changes.
8463 2001-07-09 Diego Novillo <dnovillo@redhat.com>
8465 * basic-block.h (tree_node): Forward declare if needed.
8466 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
8467 (BLOCK_HEAD_TREE): Define.
8468 (BLOCK_END_TREE): Define.
8469 (struct loops): Rename field 'tree' to 'tree_root'.
8470 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
8472 (flow_loops_tree_build): Rename reference to field 'tree' to
8474 (flow_loops_level_compute): Ditto.
8475 * predict.c (estimate_bb_frequencies): Ditto.
8476 * tree.h (struct tree_common): Add field 'aux'.
8478 2001-07-09 Stan Shebs <shebs@apple.com>
8480 * config/darwin.c (darwin_encode_section_info): Don't mark any
8481 DECL_EXTERNAL node as defined.
8483 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
8485 * pa.c (pa_init_machine_status, pa_mark_machine_status,
8486 pa_free_machine_status, hppa_init_pic_save): Delete.
8487 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
8488 (hppa_profile_hook): Use hppa_pic_save_rtx.
8489 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
8490 hppa_init_pic_save): Delete.
8491 (hppa_pic_save_rtx): Declare.
8492 * pa.md (call, call_value, sibcall, sibcall_value,
8493 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
8495 2001-07-09 Kazu Hirata <kazu@hxi.com>
8497 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
8498 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
8500 2001-07-09 Andreas Jaeger <aj@suse.de>
8502 * output.h: Add declaration of final_forward_branch_p.
8504 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
8506 * varray.c: Include errors.h for internal_error and trim_filename
8509 * Makefile.in (varray.o): Add errors.h.
8511 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
8513 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
8514 * optabs.c (have_add2_insn): Check whether the add insn chosen
8515 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
8516 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
8518 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
8520 * Makefile.in (OBJS): Add ssa-ccp.o
8521 (ssa-ccp.o): Add dependencies.
8522 * toplev.c (DFI_ssa_ccp): New dump file enum.
8523 (dump_file): Add entry for dumping after SSA CCP.
8524 (flag_ssa_ccp): New flag variable.
8525 (f_options): Add -fssa-ccp.
8526 (rest_of_compilation): Run SSA CCP if requested.
8527 * timevar.def (TV_SSA_CCP): New timevar.
8528 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
8529 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
8530 Fix minor typo in SSA DCE documentation.
8531 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
8532 Add documentation for new dump option. Renumber dump files
8535 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8537 * emit-rtl.c (gen_highpart_mode): New.
8538 * rtl.h (gen_highpart_mode): Declare.
8539 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
8540 operand can be VOIDmode constant.
8542 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
8544 * flow.c (redirect_edge_and_branch_force): New.
8545 (can_fallthru): Ensure that basic blocks are succeeding.
8546 (try_optimize_cfg): Do not delete basic block if it is the last one.
8548 * flow.c (try_redirect_by_replacing_jump): Do not remove
8549 jumps with side effects, unlink chain on fallthru edge;
8550 set block for new jump instruction; avoid basic block to
8551 over by line number note.
8553 * flow.c (try_simplify_condjump): Verify that the condjump
8554 is not always falling trought.
8557 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8559 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8560 (try_redirect_by_replacing_jump): Update properly the count
8561 and frequency information.
8563 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8565 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
8566 address that is a LO_SUM specially.
8567 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
8569 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
8571 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
8572 (operand_subword): Use them.
8573 (change_address_1): Renamed from change_address; new arg VALIDATE.
8574 * expr.h: Reflect above changes; change_address now macro.
8575 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
8577 * cselib.c (add_mem_for_addr): Likewise.
8578 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
8579 * regmove.c (try_apply_stack_adjustment): Likewise.
8580 * reload.c (push_reload, make_memloc): Likewise.
8581 * reload1.c (eliminate_regs): Likewise.
8582 * simplify-rtx.c (simplify_replace_rtx): Likewise.
8583 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
8585 * combine.c (make_extraction, simplify_shift_const): Likewise.
8586 (gen_lowpart_for_combine): Likewise.
8587 * cse.c (gen_lowpart_if_possible): Likewise.
8588 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
8589 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
8590 * optabs.c (gen_move_insn): Likewise.
8591 * reload1.c (alter_reg): Likewise.
8592 * simplify-rtx.c (simplify_subreg): Likewise.
8593 * stmt.c (expand_anon_union_decl): Likewise.
8594 * recog.c (validate_replace_rtx_1): Likewise.
8596 * Makefile.in (recog.o): Add $(EXPR_H).
8597 * explow.c (stabilize): Call replace_equiv_address.
8598 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8599 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
8601 2001-07-03 Andrew Haley <aph@redhat.com>
8603 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
8604 the mode of the memory location.
8606 2001-07-09 Bo Thorsen <bo@suse.co.uk>
8608 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
8610 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
8612 * final.c (output_addr_const): Use target opening and
8613 closing parentheses.
8614 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
8615 defaults, add to TARGET_ASM_OUT.
8616 * target.h (struct gcc_target): Add open_paren and close_paren.
8617 * doc/md.texi: Update.
8618 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8619 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8620 TARGET_ASM_CLOSE_PAREN.
8621 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8623 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8625 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
8626 * config/a29k/a29k.h: Similarly.
8627 * config/alpha/alpha.h: Similarly.
8628 * config/arc/arc.h: Similarly.
8629 * config/arm/aof.h: Similarly.
8630 * config/arm/aout.h: Similarly.
8631 * config/avr/avr.h: Similarly.
8632 * config/c4x/c4x.h: Similarly.
8633 * config/clipper/clipper.h: Similarly.
8634 * config/convex/convex.h: Similarly.
8635 * config/d30v/d30v.h: Similarly.
8636 * config/dsp16xx/dsp16xx.h: Similarly.
8637 * config/elxsi/elxsi.h: Similarly.
8638 * config/fr30/fr30.h: Similarly.
8639 * config/h8300/h8300.h: Similarly.
8640 * config/i370/i370.h: Similarly.
8641 * config/i386/i386.h: Similarly.
8642 * config/i860/i860.h: Similarly.
8643 * config/i960/i960.h: Similarly.
8644 * config/ia64/ia64.h: Similarly.
8645 * config/m32r/m32r.h: Similarly.
8646 * config/m68hc11/m68hc11.h: Similarly.
8647 * config/m68k/m68k.h: Similarly.
8648 * config/m88k/m88k.h: Similarly.
8649 * config/mcore/mcore.h: Similarly.
8650 * config/mips/mips.h: Similarly.
8651 * config/mn10200/mn10200.h: Similarly.
8652 * config/mn10300/mn10300.h: Similarly.
8653 * config/ns32k/ns32k.h: Similarly.
8654 * config/pa/pa.h: Similarly.
8655 * config/pdp11/pdp11.h: Similarly.
8656 * config/pj/pj.h: Similarly.
8657 * config/romp/romp.h: Similarly.
8658 * config/rs6000/rs6000.h: Similarly.
8659 * config/sh/sh.h: Similarly.
8660 * config/sparc/sparc.h: Similarly.
8661 * config/v850/v850.h: Similarly.
8662 * config/vax/vax.h: Similarly.
8663 * config/we32k/we32k.h: Similarly.
8665 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8667 * doc/c-tree.texi: Document representation of attributes.
8669 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8671 * doc/tm.texi: Update some places for the rename of target to
8674 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8676 * target.h (struct gcc_target): Add insert_attributes.
8677 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8678 (TARGET_INITIALIZER): Update.
8679 * tree.c, tree.h (default_insert_attributes): New function.
8680 Update comments on other default functions to refer to targetm,
8682 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8683 TARGET_INSERT_ATTRIBUTES.
8684 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8685 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8686 Don't use PRAGMA_INSERT_ATTRIBUTES.
8687 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8688 * c-decl.c (start_decl, start_function): Don't call
8689 SET_DEFAULT_DECL_ATTRIBUTES.
8690 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8691 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8693 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8694 (c4x_check_attribute): Avoid modifying attribute list itself.
8695 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8697 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8698 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8700 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8701 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8703 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8704 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8706 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8707 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8708 Adjust parameters. Make static.
8710 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8712 * c-common.c (decl_attributes): Only take a single attributes
8714 * c-common.h (decl_attributes): Update prototype.
8715 * c-decl.c (start_decl, start_function): Only take a single
8716 attributes parameter. Update calls to decl_attributes.
8717 (finish_struct, finish_enum): Update calls to decl_attributes.
8718 (push_parm_decl): Expect unified list of attributes. Update call
8720 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8721 notype_nested_function, component_declarator,
8722 component_notype_declarator, label): Update calls to
8724 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8725 lists that are passed to push_parm_decl.
8726 * c-tree.h (start_function, start_decl): Update prototypes.
8727 * config/sh/sh-protos.h, config/sh/sh.c
8728 (sh_pragma_insert_attributes): Only take a single attributes
8730 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8731 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8732 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8733 build_module_descriptor, generate_static_references,
8734 generate_strings, build_selector_translation_table,
8735 generate_descriptor_table, generate_protocols,
8736 generate_ivars_list, generate_dispatch_table,
8737 generate_protocol_list, generate_category,
8738 generate_shared_structures, really_start_method, add_objc_decls,
8739 generate_classref_translation_entry): Update calls to start_decl
8741 (build_tmp_function_decl, start_method_def): Unify attribute lists
8742 that are passed to push_parm_decl.
8744 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8746 * final.c (no_asm_to_stream): New.
8747 (final_scan_insn): Use target structures for prologue ends
8748 and epilogue starts.
8749 * output.h (no_asm_to_stream): New.
8750 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8751 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8752 (TARGET_ASM_OUT): Update.
8753 * target.h (struct gcc_target): New members function_end_prologue
8754 and function_begin_epilogue.
8755 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8756 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8757 * config/alpha/alpha.c (output_end_prologue): Rename to
8758 alpha_output_function_end_prologue. Use in target struct
8760 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8761 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8762 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8763 ia64_output_function_end_prologue. Use in target struct
8765 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8766 mistyped prototypes.
8767 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8768 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8770 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8771 an use in target struct, make static.
8772 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8775 2001-07-08 Richard Henderson <rth@redhat.com>
8777 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8779 2001-07-08 Richard Henderson <rth@redhat.com>
8781 * config/i386/i386.md: Remove constraints strings from define_split
8782 and define_peephole2 patterns.
8783 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8784 (eh_return): Use them.
8786 2001-07-08 Richard Henderson <rth@redhat.com>
8788 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8789 Document MD_FALLBACK_FRAME_STATE_FOR.
8791 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8793 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8794 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8796 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8798 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8800 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8801 of the label inside NAME as opposed to just the end of NAME.
8803 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8805 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8806 * config/alpha/alpha.c (alpha_init_machine_status,
8807 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8808 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8809 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8810 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8812 2001-07-06 Stan Shebs <shebs@apple.com>
8814 * target.h (targetm): Rename global from "target", so as not to
8815 conflict with local variables.
8817 * c-typeck.c: Ditto.
8821 * cp/decl2.c: Ditto.
8822 * cp/typeck.c: Ditto.
8823 * 1750a/1750a.c: Ditto.
8824 * a29k/a29k.c: Ditto.
8828 * clipper/clipper.c: Ditto.
8829 * convex/convex.c: Ditto.
8830 * d30v/d30v.c: Ditto.
8831 * dsp16xx/dsp16xx.c: Ditto.
8832 * elxsi/elxsi.c: Ditto.
8833 * fr30/fr30.c: Ditto.
8834 * h8300/h8300.c: Ditto.
8835 * i370/i370.c: Ditto.
8836 * i386/i386.c: Ditto.
8837 * i860/i860.c: Ditto.
8838 * i960/i960.c: Ditto.
8839 * ia64/ia64.c: Ditto.
8840 * m32r/m32r.c: Ditto.
8841 * m68hc11/m68hc11.c: Ditto.
8842 * m68k/m68k.c: Ditto.
8843 * m88k/m88k.c: Ditto.
8844 * mips/mips.c: Ditto.
8845 * ns32k/ns32k.c: Ditto.
8847 * pdp11/pdp11.c: Ditto.
8848 * romp/romp.c: Ditto.
8849 * rs6000/rs6000.c: Ditto.
8851 * sparc/sparc.c: Ditto.
8853 * we32k/we32k.c: Ditto.
8854 * doc/tm.texi: Update the manual to match.
8856 2001-07-06 Richard Henderson <rth@redhat.com>
8858 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8859 DWARF2_UNWIND_INFO not just whether it is defined.
8861 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8863 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8864 call to simplify_binary_operation returns a new pattern.
8866 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8868 * glimits.h (__SHRT_MAX__): New.
8869 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8870 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8872 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8874 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8877 2001-07-06 Richard Henderson <rth@redhat.com>
8879 * bitmap.c (bitmap_release_memory): Move adjacent to the
8880 allocation functions.
8881 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8882 the implementation. Binary search for the set bit.
8883 (bitmap_union_of_diff): Allocate the temporary on the stack
8884 instead of using xmalloc.
8886 2001-07-06 Richard Henderson <rth@redhat.com>
8888 * genrecog.c (validate_pattern): Warn for constraints in
8889 define_{expand,split,peephole2}. Remove strict_low_part
8890 before looking up match_dup.
8892 2001-07-06 DJ Delorie <dj@redhat.com>
8894 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8895 chapter about various build hints and history. Add section
8896 talking about the various types of native and cross builds.
8898 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8900 * Makefile.in (final.o): Depend on target.h.
8901 * final.c: Include target.h.
8902 (default_function_pro_epilogue): New.
8903 (final_start_function): Use target structure for function prologues.
8904 (final_end_function): Use target structure for function epilogues.
8905 * fold-const.c (real_hex_to_f): Constify s and p.
8906 * output.h (default_function_pro_epilogue): New.
8907 * real.h (real_hex_to_f): Update prototype.
8908 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8909 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8910 (TARGET_INITIALIZER): Update.
8911 * target.h (gcc_target): Add struct asm_out.
8912 * doc/tm.texi: Update.
8915 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8916 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8917 in cpu/cpu.c, or rename old functions consistently. Take
8918 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8919 redundant macros and prototypes. Make new functions static.
8921 * 1750a/1750a.c: Similarly.
8922 * 1750a/1750a.h: Similarly.
8923 * a29k/a29k-protos.h: Similarly.
8924 * a29k/a29k.c: Similarly.
8925 * a29k/a29k.h: Similarly.
8926 * arc/arc-protos.h: Similarly.
8927 * arc/arc.c: Similarly.
8928 * arc/arc.h: Similarly.
8929 * arm/arm-protos.h: Similarly.
8930 * arm/arm.c: Similarly.
8931 * arm/arm.h: Similarly.
8932 * avr/avr-protos.h: Similarly.
8933 * avr/avr.c: Similarly.
8934 * avr/avr.h: Similarly.
8935 * clipper/clipper-protos.h: Similarly.
8936 * clipper/clipper.c: Similarly.
8937 * clipper/clipper.h: Similarly.
8938 * convex/convex.c: Similarly.
8939 * convex/convex.h: Similarly.
8940 * d30v/d30v-protos.h: Similarly.
8941 * d30v/d30v.c: Similarly.
8942 * d30v/d30v.h: Similarly.
8943 * d30v/d30v.md: Similarly.
8944 * dsp16xx/dsp16xx-protos.h: Similarly.
8945 * dsp16xx/dsp16xx.c: Similarly.
8946 * dsp16xx/dsp16xx.h: Similarly.
8947 * elxsi/elxsi.c: Similarly.
8948 * elxsi/elxsi.h: Similarly.
8949 * fr30/fr30.c: Similarly.
8950 * fr30/fr30.md: Similarly.
8951 * h8300/h8300-protos.h: Similarly.
8952 * h8300/h8300.c: Similarly.
8953 * h8300/h8300.h: Similarly.
8954 * i370/i370-protos.h: Similarly.
8955 * i370/i370.c: Similarly.
8956 * i370/i370.h: Similarly.
8957 * i386/i386.c: Similarly.
8958 * i386/osf1elf.h: Similarly.
8959 * i386/osfrose.h: Similarly.
8960 * i860/i860-protos.h: Similarly.
8961 * i860/i860.c: Similarly.
8962 * i860/i860.h: Similarly.
8963 * i960/i960-protos.h: Similarly.
8964 * i960/i960.c: Similarly.
8965 * i960/i960.h: Similarly.
8966 * ia64/ia64-protos.h: Similarly.
8967 * ia64/ia64.c: Similarly.
8968 * ia64/ia64.h: Similarly.
8969 * m32r/m32r-protos.h: Similarly.
8970 * m32r/m32r.c: Similarly.
8971 * m32r/m32r.h: Similarly.
8972 * m68hc11/m68hc11-protos.h: Similarly.
8973 * m68hc11/m68hc11.c: Similarly.
8974 * m68hc11/m68hc11.h: Similarly.
8975 * m68k/crds.h: Similarly.
8976 * m68k/dpx2.h: Similarly.
8977 * m68k/m68k-protos.h: Similarly.
8978 * m68k/m68k.c: Similarly.
8979 * m68k/m68k.h: Similarly.
8980 * m68k/news.h: Similarly.
8981 * m88k/m88k-protos.h: Similarly.
8982 * m88k/m88k.c: Similarly.
8983 * m88k/m88k.h: Similarly.
8984 * mips/mips-protos.h: Similarly.
8985 * mips/mips.c: Similarly.
8986 * mips/mips.h: Similarly.
8987 * ns32k/merlin.h: Similarly.
8988 * ns32k/ns32k.c: Similarly.
8989 * ns32k/ns32k.h: Similarly.
8990 * ns32k/tek6000.h: Similarly.
8991 * pa/pa-protos.h: Similarly.
8992 * pa/pa.c: Similarly.
8993 * pa/pa.h: Similarly.
8994 * pdp11/2bsd.h: Similarly.
8995 * pdp11/pdp11-protos.h: Similarly.
8996 * pdp11/pdp11.c: Similarly.
8997 * pdp11/pdp11.h: Similarly.
8998 * romp/romp-protos.h: Similarly.
8999 * romp/romp.c: Similarly.
9000 * romp/romp.h: Similarly.
9001 * rs6000/rs6000-protos.h: Similarly.
9002 * rs6000/rs6000.c: Similarly.
9003 * rs6000/rs6000.h: Similarly.
9004 * rs6000/sysv4.h: Similarly.
9005 * sh/sh-protos.h: Similarly.
9006 * sh/sh.c: Similarly.
9007 * sh/sh.h: Similarly.
9008 * sparc/sparc-protos.h: Similarly.
9009 * sparc/sparc.c: Similarly.
9010 * sparc/sparc.h: Similarly.
9011 * vax/vax.c: Similarly.
9012 * vax/vax.h: Similarly.
9013 * vax/vms.h: Similarly.
9014 * we32k/we32k.c: Similarly.
9015 * we32k/we32k.h: Similarly.
9017 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
9019 * basic-block.h (first_insn_after_basic_block_note): Declare.
9020 * flow.c (first_insn_after_basic_block_note): Define. Moved
9022 * ssa.c (first_insn_after_basic_block_note): Remove.
9023 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
9025 (ssa_eliminate_dead_code): Properly update the CFG and PHI
9026 nodes when we find a dead conditional branch. Insert BARRIERs
9027 after any blocks with no successors, but which do not have
9030 2001-07-06 Zack Weinberg <zackw@stanford.edu>
9032 * varray.c (varray_check_failed): Use internal_error.
9034 2001-07-05 Andrew Haley <aph@redhat.com>
9036 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
9037 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
9038 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
9040 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
9042 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
9043 reference if the target constant is also a SYMBOL_REF.
9045 2001-07-05 Eric Christopher <echristo@redhat.com>
9047 * config/mips/mips.h (MASK_MIPS3900): Remove.
9048 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
9049 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
9050 (TARGET_MIPS3900): Change to use mips_arch.
9051 (TARGET_MIPS4000): New.
9052 (TARGET_MIPS4100): New.
9053 (TARGET_MIPS4300): New.
9054 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
9055 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
9057 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
9058 (ISA_HAS_BRANCHLIKELY): To here.
9059 (CC1_CPU_SPEC): New.
9060 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
9061 (mips_arch_string): Declare.
9062 (mips_arch): Declare.
9063 (TARGET_OPTIONS): Add -march and -mtune.
9065 * config/mips/mips.c (mips_arch_string): New.
9067 (override_options): Handle -march for codegen and -mtune
9068 for scheduling. Use mips_arch. Move tx39 target default here.
9069 (mips_parse_cpu): Move error message to override_options.
9071 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
9073 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
9075 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
9076 (MIPS Options): Ditto. Change mcpu entry to historical text.
9078 2001-07-05 H.J. Lu (hjl@gnu.org)
9080 * config/mips/mips.c (mips_parse_cpu): New function to parse
9083 2001-07-05 Jim Wilson <wilson@redhat.com>
9085 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
9086 * config/ia64/t-ia64: Likewise.
9087 (LIB1ASMFUNCS): Update comment.
9089 2001-07-05 David Edelsohn <edelsohn@gnu.org>
9091 * doc/install.texi (Install GCC: Binaries): Fix typo.
9093 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9095 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
9096 reference using the stack pointer, adjust it since we push Y
9098 ("*ashrsi3"): Likewise.
9099 ("*lshrsi3"): Likewise.
9101 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9103 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
9104 when -fomit-frame-pointer is used.
9106 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
9108 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
9109 (try_redirect_by_replacing_jump): Reverse updating properly the
9110 count and frequency information. Reverse removing cc0 setter.
9111 (forwarder_block_p): Reverse fixing for fallthru blocks.
9113 2001-07-05 DJ Delorie <dj@redhat.com>
9115 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
9116 (translate_options): If the above is defined, use it to map
9117 given options to new options.
9118 * doc/tm.texi: Document it.
9120 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
9121 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9123 * doc/invoke.texi (Optimize Options): Document that -fgcse may
9124 cause programs using computed gotos to run more slowly.
9126 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9128 * doc/install.texi (Specific): Markup, spelling and typo fixes.
9130 Consistently require binutils 2.11.2, not prereleases.
9131 (Specific, decstation-*): Canonicalize as mips-dec-*.
9132 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
9134 (Specific, m68k-altos): Removed reference to README.altos, deleted.
9135 (Specific, mips-*): Reword MIPS C compiler requirements.
9136 (Specific, powerpc*-*-*): New, mention --with-cpu once.
9137 (Specific, sunv5): Removed, obsolete.
9139 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
9141 * dwarf2out.c (output_loc_list): Use an all ones mask for
9142 .text asm output and don't rely on long long
9143 literals. Reformat some long lines.
9145 2001-07-05 Andreas Jaeger <aj@suse.de>
9147 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
9150 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9152 * dwarf2out.c (dwarf2out_define): Update comment.
9153 (dwarf2out_undef): Ditto.
9154 (dwarf2out_start_source_file): Ditto.
9155 (dwarf2out_end_source_file): Ditto.
9156 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
9157 since we never call the start/end debug hook for the primary file.
9159 2001-07-04 Kazu Hirata <kazu@hxi.com>
9161 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
9164 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9166 * cppinit.c (remove_dup_dirs): Inform if a system include
9167 directory is being reordered.
9168 * doc/invoke.texi (Directory Options): GCC warns if you hide a
9170 * doc/cpp.texi (Search Paths): Likewise.
9171 * doc/gcc.texi (Interoperation): Remove information about
9174 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
9176 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
9177 (VARRAY_TOP_CHAR_PTR): Likewise.
9179 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9181 * gcc.c (process_command): Don't assign elements of a const char*.
9183 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9185 * emit-rtl.c (change_address): Don't abort if invalid address while
9186 reload is in progress.
9188 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9190 * c-lex.c (cb_file_change): Pass line number to
9191 debug_start_source_file.
9192 (cb_undefine): Pass correct line number to debug_undef.
9194 * toplev.c (debug_start_source_file): Add line number to
9195 parameters. Pass it along to dwarf2out_start_source_file.
9196 (decode_g_option): Stop resetting debug level back to normal when
9197 we change debug formats, unless the current level is
9198 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
9201 * toplev.h (debug_start_source_file): Add line number to
9204 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
9207 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
9209 Output debug_macinfo data for starting file if requested.
9210 (dwarf2out_end_source_file): Output debug_macinfo data for ending
9212 (dwarf2out_define): Output debug_macinfo data for defining a macro
9214 (dwarf2out_undef): Output debug_macinfo data for undefining a
9216 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
9217 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
9218 (macinfo_section_label): New. DWARF2 macro info section label.
9219 (dwarf2out_init): If we want macro info, output the start label
9221 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
9222 attribute to the compilation unit die pointing to the macro info.
9224 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
9226 * dwarf2out.c (new_loc_list): Move to inside #ifdef
9227 DWARF2_DEBUGGING_INFO.
9228 (add_loc_descr_to_loc_list): Ditto.
9229 (output_loc_list): Ditto.
9230 Also, fix thinko in curr not being initialized.
9231 (gen_internal_sym): Ditto.
9233 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9235 * emit-rtl.c (replace_equiv_address): New function.
9236 * expr.h (replace_equiv_address): New declaration.
9237 * explow.c (validize_mem): Call it instead of change_address and
9238 also call if -fforce-addr and address is constant.
9239 * expr.c: Replace more calls to change_address with adjust_address
9240 and/or replace_equiv_address or to validize_mem.
9241 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
9242 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
9243 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9244 * config/i370/i370.md, config/i860/i860.md: Likewise.
9245 * config/i960/i960.md, config/mips/mips.c: Likewise.
9246 * config/mips/mips.md, config/pa/pa.md: Likewise.
9247 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
9248 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
9250 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9252 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
9254 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
9257 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
9259 * doc/include: New directory.
9260 * doc/fdl.texi: Move to doc/include/fdl.texi.
9261 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
9262 * doc/include/funding.texi, doc/include/gpl.texi: New files.
9263 * doc/gcc.texi: Use funding.texi and gpl.texi.
9264 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
9265 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
9266 Update dependencies and use -I $(docdir)/include.
9268 2001-07-04 Anthony Green <green@redhat.com>
9270 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
9272 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9274 * doc/install.texi (sparc64-*-*): Remove garbage.
9276 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
9278 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
9279 Fix typo in last change to use adjust_address.
9281 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9283 * doc/install.texi (Specific): Update information for *-*-solaris*.
9285 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9287 * explow.c (plus_constant_wide): Reinitialize Y for restart.
9289 2001-07-03 Stan Shebs <shebs@apple.com>
9291 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
9292 case for flag_no_mach_text_sections.
9293 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
9294 * config/darwin.c (flag_no_mach_text_sections): Remove.
9295 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
9297 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9299 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
9300 and avoid checking for constant as first operand.
9301 * recog.c (find_constant_term_loc): No longer static.
9302 (adj_offettable_operand): Delete.
9303 * rtl.h (adj_offsettable_operand): Delete declaration.
9304 (find_constant_term): Add declaration.
9305 * caller-save.c: Replace calls to adj_offsettable_operand with calls
9307 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
9308 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
9309 * config/i386/i386.c, config/i386/i386.md: Likewise.
9310 * config/i860/i860.c, config/i960/i960.c: Likewise.
9311 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
9312 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
9313 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
9314 * config/mips/mips.c, config/mips/mips.md: Likewise.
9315 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
9316 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
9317 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
9318 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
9319 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
9320 * config/ns32k/ns32k.md: Likewise.
9322 2001-07-03 Zack Weinberg <zackw@stanford.edu>
9324 * rtl.c (copy_rtx): Handle 'T' format letter.
9325 * gensupport.c (collect_insn_data): Likewise.
9326 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
9328 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
9330 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
9331 -B option. Use 'dir' not 'foo' as example directory name.
9333 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9335 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9336 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
9338 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9340 * doc/cppinternals.texi: Improve formatting and logical markup.
9342 2001-07-03 Andreas Jaeger <aj@suse.de>
9344 * Makefile.in (insn-recog.o): Add dependency on reload.h.
9346 * genrecog.c (write_header): Include reload.h for prototypes in
9349 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
9352 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
9353 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
9354 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
9355 i386_pe_valid_type_attribute_p): Add.
9356 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
9357 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
9359 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9361 * explow.c (plus_constant_wide, case LO_SUM): New case.
9362 (plus_constant_for_output_wide): Delete.
9363 * rtl.h (plus_constant_for_output): Delete.
9364 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
9365 instead of plus_constant_for_output.
9366 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
9367 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
9368 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
9369 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
9370 * config/sparc/sparc.md: Likewise.
9371 Convert some change_address calls to adjust_address.
9373 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
9375 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
9376 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
9377 documentation of -std and -Wwrite-strings.
9379 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9381 * cse.c (canon_hash): Don't register registers in very small
9382 register classes, as extending their lifetime might cause
9385 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
9387 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
9389 * flow.c (forwarder_block_p): Fix for fallthru blocks.
9390 (try_redirect_by_replacing_jump): Update properly the count
9391 and frequency information.
9393 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
9395 * toplev.c (dump_file_index): Move SSA dumps just after first
9397 (dump_file): Corresponding changes.
9398 (rest_of_compilation): Move SSA path to just after the first
9400 * doc/gcc.texi (Passes): Update due to movement of SSA path.
9401 * doc/invoke.texi: Update dump file #s as they were completely
9402 out of date with reality.
9404 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
9406 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
9408 * expr.c (emit_move_insn_1): Deal with non-default
9411 * expr.c (emit_single_push_insn): Fix warning.
9413 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
9415 * expr.c (emit_move_insn_1): Avoid modifying
9416 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
9418 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9420 * emit-rtl.c (adjust_address): New function.
9421 * expr.h (adjust_address): Add declaration.
9422 * builtins.c: Replace some calls to change_address with calls to it
9424 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
9425 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
9426 * config/arm/arm.c, config/convex/convex.c: Likewise.
9427 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
9428 * config/i386/i386.c, config/i386/i386.md: Likewise.
9429 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
9430 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
9431 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
9432 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
9433 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
9435 2001-07-02 Jim Wilson <wilson@redhat.com>
9437 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
9439 2001-07-02 Steve Ellcey <sje@cup.hp.com>
9441 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
9442 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
9444 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9446 * cppinit.c (lang_defaults): New table.
9447 (set_lang): Just read from lang_defaults into the live options
9450 2001-07-02 Zack Weinberg <zackw@stanford.edu>
9452 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
9453 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
9454 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
9456 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9458 * doc/install.texi: Various spelling and markup fixes.
9459 (Installing GCC): Component specific installation instructions are
9462 Warn about removing old install dir in the presence of shared libs.
9463 (Configuration): Invoke with options target to match configure
9465 Consistently refer to gas, gld pathnames.
9466 Invert --enable-multilib documentation.
9467 Remove references to old compiler versions.
9469 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9471 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
9473 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9475 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
9477 (Specific, mips*-sgi-irix5): Note IDO download.
9478 Reworded MIPS C hints.
9479 Use GNU as instead of GAS.
9481 Removed SGI Freeware reference, IRIX 6 only.
9482 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
9483 Note N64 library requirement/workaround.
9485 Complete list of structure passing bug victims.
9487 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9489 * doc/install.texi: Remove CVS Id.
9491 2001-07-02 Andreas Jaeger <aj@suse.de>
9493 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
9494 (find_inherently_necessary): Remove unused variable.
9496 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
9498 * c-common.h (TDI_inlined): New ast dump phase.
9499 (dump_flag_name): New function.
9500 * c-dump.c (dump_files): Add inlined phase.
9501 (dump_flag_name): Define.
9502 * doc/invoke.texi (-fdump-ast-inlined): Document.
9504 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9506 * stor-layout.c (layout_decl): Revert change to handling of alignment
9509 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9511 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
9514 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
9516 * doc/tm.texi (FUNCTION_ARG): Document that the last call
9519 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
9521 * tlink.c (recompile_files): Remove COMPILER_PATH and
9522 LIBRARY_PATH from the environment.
9524 2001-07-01 Zack Weinberg <zackw@stanford.edu>
9526 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
9527 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
9529 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
9531 * c-parse.in (OBJC_STRING): Kill.
9532 (objc_string): Decompose to [objc_string] '@' STRING.
9533 (reswords): Take the leading '@' off all the Objective C keywords.
9534 (objc_rid_sans_at): Kill.
9535 (init_reswords): Don't initialize it.
9536 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
9537 (_yylex): Kill reconsider label. Look ahead one token after
9538 an '@'; if we get an identifier, check whether it's an
9539 Objective C @-keyword. If so, return the keyword. Otherwise,
9540 put back the token and return the '@' as a terminal.
9542 * cpplib.c (lex_macro_node): Remove unnecessary check for
9543 leading '@' on identifier. Clarify control flow and commentary.
9545 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9547 * cse.c (new_label_ref): Variable deleted.
9548 (insert): Remove set of new_label_ref.
9549 (check_for_label_ref): New function.
9550 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
9552 See ChangeLog.5 for earlier changes.