1 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * libgcc2.h: Move prototypes above macros with the same name.
4 Wrap some function prototypes in the conditional which indicates
5 whether they are supported, i.e. "BITS_PER_UNIT == 8".
7 2000-03-16 Richard Henderson <rth@cygnus.com>
9 * calls.c: Revert last two changes.
11 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
13 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
14 has exponent 0 is a zero.
16 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
17 HASH may already be nonzero. Add code/mode into hash value
18 immediately after repeat label.
19 (cselib_lookup): Don't leave the hash table in an inconsistent
20 state before a hash lookup operation.
22 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
24 * i386.md (all HI and QI mode non-move patterns): Conditionize
25 by TARGET_[HQ]IMODE_MATH.
26 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
27 x86_promote_qi_regs): Declare.
28 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
29 TARGET_PROMOTE_QI_REGS): New macros.
30 (PROMOTE_MODE): New macro.
31 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
32 x86_promote_qi_regs): New global variables.
34 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
36 * calls.c (emit_library_call_value_1): Break out from ...; handle
37 VOIDmode function calls too.
38 (emit_library_call_value): ... here.
39 (emit_library_call): Implement by calling emit_library_call_value_1.
41 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
43 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
44 Update arg_space_so_far on stack adjustments.
45 (emit_library_call, emit_library_call_value): Likewise; take into
46 account arg_space_so_far and pending_stack_adjust when calculcating
49 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
51 * flow.c: Move all basic block reordering code into its own file.
52 (create_basic_block): Externalize.
53 * bb-reorder.c: New file. Copy all basic block reordering code from
55 (reorder_basic_blocks): Fix fencepost error in for-loop.
56 (reorder_basic_blocks): Remove braces from single statement for-loops.
57 * basic-block.h: Add declaration for create_basic_block.
58 * Makefile.in: Add rules for bb-reorder.o.
60 2000-03-16 Neil Booth <NeilB@earthling.net>
62 * cppinit.c (handle_option): Implement #unassert directive
63 as -A- command line option.
67 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
69 * md.texi (Standard Names): Document `jump'.
71 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
73 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
76 2000-03-15 Geoff Keating <geoffk@cygnus.com>
78 See the ChangeLog on the branch for more details.
80 * configure.in: Merge in changes from newppc-branch.
81 * configure: Regenerate.
82 * config/rs6000/*: Merge in changes from newppc-branch.
83 Also correct copyright notices.
85 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
87 * acconfig.h (HAVE_GAS_WEAK): New define.
88 * configure.in (assembler weak support): Check for .weak support.
89 * config.in, configure: Rebuilt.
90 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
91 HAVE_GAS_WEAK is defined.
93 2000-03-15 Nick Clifton <nickc@cygnus.com>
95 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
98 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
100 * cppfiles.c (open_include_file): New function.
101 (find_include_file, cpp_read_file): Use it.
103 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
105 * cpphash.c (dump_hash_helper): Take the slot, not the element.
107 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
109 * flow.c (verify_flow_info): Check for unconditional return.
111 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
113 * config/ia64/ia64.md (restore_stack_nonlocal): New.
114 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
115 (__ia64_restore_stack_nonlocal): New.
116 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
118 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
120 * cpphash.c (collect_formal_parameters): Do not complain about
121 parameter names that just start with `__VA_ARGS__'.
123 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
125 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
126 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
127 * i386.c (pentiumpro_cost): Set mul cost to 4.
128 (x86_use_movx): Set for PPro.
130 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
132 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
133 STACK_BOUNDARY for empty frames now.
135 2000-03-14 Mark Mitchell <mark@codesourcery.com>
137 * stor-layout.c (layout_union): Remove.
138 (layout_union_field): New function, split out from layout_union.
139 (finish_union_layout): Likewise.
140 (layout_field): Handle unions by calling layout_union_field.
141 (finish_record_layout): Handle unions.
142 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
143 QUAL_UNION_TYPE handling.
145 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
147 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
148 end of basic block is jump_insn, not barrier; use create_basic_block
149 instead of creating basic block by hand.
151 2000-03-14 Jason Eckhardt <jle@cygnus.com>
153 * flow.c (reorder_basic_blocks): Account for barriers when writing
154 over NEXT_INSN (last_bb->end).
155 (verify_flow_info): Add check for missing barriers.
157 2000-03-14 Greg McGary <gkm@gnu.org>
159 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
160 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
161 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
162 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
163 __unbounded, __unbounded__): New keywords.
164 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
165 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
166 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
168 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
170 * cselib.h: New file.
171 * alias.c: Include "cselib.h".
172 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
173 MEMs as two new arguments.
174 (get_addr): New static function.
175 (find_base_term): Handle VALUEs.
176 (memrefs_conflict_p): Likewise.
177 (true_dependence): Call get_addr on the addresses.
178 Call fixed_scalar_and_varying_struct_p with addresses that have been
179 passed through get_addr and canon_rtx.
180 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
181 with true_dependence.
182 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
183 * loop.c: Include "cselib.h".
184 (load_mems): Process extended basic block that enters the loop with
185 cselib. Use that information to change initialization of the shadow
186 register so that a constant equivalence is seen by later passes.
187 * reload1.c: Include "cselib.h".
188 (reload_cse_invalidate_regno): Delete function.
189 (reload_cse_mem_conflict_p): Likewise.
190 (reload_cse_invalidate_mem): Likewise.
191 (reload_cse_invalidate_rtx): Likewise.
192 (reload_cse_regno_equal_p): Likewise.
193 (reload_cse_check_clobber): Likewise.
194 (reload_cse_record_set): Likewise.
195 (reg_values): Delete static variable.
196 (invalidate_regno_rtx): Likewise.
197 (reload_cse_delete_noop_set): New static function.
198 (reload_cse_simplify): New static function, broken out of
200 (reload_cse_noop_set_p): Delete unused argument INSN.
201 Just call rtx_equal_for_cselib_p on set source and destination.
202 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
203 reload_cse_delete_noop_set. Delete code to keep track of values; use
204 cselib functions instead. Delete code to push/pop obstacks.
205 (reload_cse_simplify_set): Use cselib to find equivalent values.
206 Delete code to push/pop obstacks.
207 (reload_cse_simplify_operands): Likewise.
208 * rtl.def (VALUE): New rtx code.
209 * rtl.h (union rtunion_def): New elt rt_cselib.
210 (X0CSELIB, CSELIB_VAL_PTR): New macros.
211 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
212 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
213 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
214 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
215 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
216 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
217 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
218 cselib_record_set, cselib_record_sets): New static functions.
219 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
220 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
221 references_value_p): New functions.
222 (MAX_USELESS_VALUES, REG_VALUES): New macros.
223 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
224 n_useless_values, reg_values, callmem, cselib_obstack,
225 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
226 New static variables.
227 * varray.h (union varray_data_tag): New elt te.
228 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
229 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
232 2000-03-14 Nick Clifton <nickc@cygnus.com>
234 * gcc.c (do_spec_1): Catch the case where %* is used in a
235 substitution pattern, but it has not been initialised.
236 Issue a meaningful error message if an unrecognised operator
237 is encountered in a spec string.
239 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
241 * function.c (prepare_function_start): Correctly initialize
242 cfun->stack_alignment_needed.
244 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
246 * cppfiles.c (find_include_file): Don't assume nshort is a
249 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
251 * configure.in (hppa configurations): Add pa32-regs.h to the
252 list of tm files as appropriate.
253 * configure: Rebuilt.
254 * pa.c (compute_frame_size): Remove explicit knowledge about FP
256 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
257 (fmpyaddoperands, fmpysuboperands): Likewise.
258 * pa.h: Remove various definitions which depend on knowing
259 how registers are numbered.
260 * pa32-regs.h: New file with PA32 register numbering specific
263 2000-03-14 Richard Henderson <rth@cygnus.com>
265 * regmove.c (combine_stack_adjustments): New.
266 (stack_memref_p, single_set_for_csa): New.
267 (free_csa_memlist, record_one_stack_memref): New.
268 (try_apply_stack_adjustment): New.
269 (combine_stack_adjustments_for_block): New.
270 * rtl.h (combine_stack_adjustments): Declare.
271 * toplev.c (rest_of_compilation): Call it.
273 * i386.md: Revert 2000-01-16 change.
275 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
277 * gccbug.in: Add web category, gcc specific classes.
279 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
281 * stor-layout.c (finalize_record_size): Fix typo.
283 2000-03-14 Stan Shebs <shebs@apple.com>
285 * c-typeck.c (c_alignof): Error on incomplete types.
286 * extend.texi (Alignment): Document this.
288 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
290 * cppfiles.c: Include mkdeps.h.
291 (find_include_file, read_include_file): Remove _cpp_ prefix
292 from name, make static.
293 (_cpp_execute_include): New function, broken out of
296 * cpplib.c: Don't include mkdeps.h.
297 (struct directive): Remove type field. Reorder entries. The
298 function takes only one argument.
299 (struct if_stack): Make type field an int.
300 (directive_table): Rename to dtable. Generate it, the
301 prototypes of the directive handlers, and the enum for the
302 directive numbers, from a template macro.
303 (do_ifndef, do_include_next, do_import): New functions.
304 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
305 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
306 do_ident, do_assert, do_unassert, do_sccs): Take only one
308 (do_sccs): Define always, but alter behavior based on
310 (_cpp_handle_directive, consider_directive_while_skipping):
311 Restructure for new directive table layout.
313 (pass_thru_directive): Take a directive number, not a pointer
314 to a struct directive.
315 (parse_include): New function, broken out of do_include.
316 (do_include, do_import, do_include_next): Use parse_include
317 and _cpp_execute_include.
318 (do_elif, do_else): Test for T_ELSE specifically when checking
319 for #elif/#else after #else.
320 (parse_ifdef): New function, broken out of do_ifdef.
321 (validate_else): Expect a name arg without a leading #.
322 (if_directive_name): Delete.
323 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
324 directive handlers with only one argument.
326 * cpphash.h: Update prototypes.
327 (enum node_type): Remove entries for directives.
328 * Makefile.in: Update dependencies.
330 * cpphash.c (dump_hash_helper): Only dump nodes of type
331 T_MACRO. Emit a newline after each definition.
333 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
335 * gccbug.in: New file.
336 * configure.in (all_outputs): Add gccbug.
337 * Makefile.in (install-common): Install gccbug.
338 (GCCBUG_INSTALL_NAME): New variable.
339 * configure: Rebuilt.
341 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
343 * function.c (put_var_into_stack): Use type_for_mode to calculate
344 part_type. Use MEM_SET_IN_STRUCT_P.
345 * expr.c (store_field): Handle CONCAT.
346 (store_constructor): Use fields_length.
347 * tree.c (fields_length): New fn.
348 * tree.h: Declare it.
350 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
352 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
353 (cpplex.o): New target.
354 * po/POTFILES.in: Add cpplex.c.
356 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
357 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
358 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
359 skip_block_comment, skip_line_comment, skip_comment,
360 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
361 _cpp_parse_name, skip_string, parse_string,
362 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
363 _cpp_get_directive_token, find_position,
364 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
365 (maybe_macroexpand, _cpp_lex_token): New functions.
367 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
368 parse_goto_mark): Delete.
369 (_cpp_handle_eof): New function.
370 (_cpp_handle_directive): Rename from handle_directive.
371 (_cpp_output_line_command): Rename from output_line_command.
372 (do_if, do_elif): Call _cpp_parse_expr directly.
373 * cppfiles.c (_cpp_read_include_file): Don't call
374 init_input_buffer here.
375 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
376 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
377 here; pop the token_buffer and skip the rest of the line here.
378 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
381 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
383 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
384 CPP_GOTO_MARK): New macros.
385 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
386 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
387 _cpp_read_and_prescan, _cpp_init_input_buffer,
388 _cpp_grow_token_buffer, _cpp_get_directive_token,
389 _cpp_handle_directive, _cpp_handle_eof,
390 _cpp_output_line_command): Prototype them here.
391 * cpplib.h (enum cpp_token): Add CPP_MACRO.
392 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
393 quote_string, output_line_command): Remove.
395 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
397 * stmt.c (expand_end_case): RANGE may be signed, and when checking
398 whether it is too large we must also verify that it isn't negative.
400 2000-03-13 Jakub Jelinek <jakub@redhat.com>
402 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
403 (movsi_zero_liveg0): Remove.
404 (movsf_insn_novis_liveg0): Remove.
406 (negsi2_not_liveg0): Rename to negsi2.
407 (one_cmplsi2): Remove.
408 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
409 (one_cmplsi2_liveg0): Remove.
410 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
411 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
412 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
413 (PREDICATE_CODES): Remove zero_operand.
414 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
415 TARGET_BROKEN_SAVERESTORE.
416 (zero_operand): Remove.
417 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
418 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
420 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
421 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
422 TARGET_BROKEN_SAVERESTORE): Remove.
423 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
425 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
427 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
430 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
432 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
434 * cpplib.c (do_pragma_implementation): Fix off-by-one error
435 truncating a string. Don't assume tokens are nul terminated.
436 Problem noted by Andreas Jaeger <aj@suse.de>
438 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
440 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
441 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
442 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
444 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
446 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
447 STRUCTURE_SIZE_BOUNDARY.
449 2000-03-13 Mark Mitchell <mark@codesourcery.com>
451 * tree.h (record_layout_info_s): New structure.
452 (record_layout_info): New type.
453 (new_record_layout_info): New function.
454 (layout_field): Likewise.
455 (finish_record_layout): Likewise.
456 * stor-layout.c (layout_record): Remove.
457 (new_record_layout_info): New function.
458 (layout_field): New function, broken out from layout_record.
459 (finalize_record_size): Likewise.
460 (compute_record_mode): Likewise.
461 (finalize_type_size): New function, broken out from layout_type.
462 (finish_record_layout): Likewise.
463 (layout_type): Use them.
465 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
467 * cpphash.c: Don't include version.h.
468 (special_symbol) [case T_VERSION]: Look for the string in
469 hp->value.cpval; don't use version_string.
470 * cppinit.c (initialize_builtins): Set hp->value.cpval for
471 __VERSION__ to version_string.
472 * Makefile.in (cpphash.o): Update deps.
474 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
476 Convert cpplib to use libiberty/hashtab.c.
478 * cpplib.h (struct cpp_reader): Make hashtab and
479 all_include_files of type 'struct htab *'. Delete HASHSIZE
480 and ALL_INCLUDE_HASHSIZE macros.
482 * cpphash.h: Update prototypes.
483 (struct hashnode): Remove next, prev, and bucket_hdr members.
484 Make length a size_t. Add hash member.
485 (struct ihash): Remove next member. Add hash member. Make
486 name a flexible array member.
488 * cppfiles.c: Include hashtab.h.
489 (include_hash): Delete.
490 (IHASHSIZE): New macro.
491 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
492 (cpp_included): Do the hash lookup here.
493 (_cpp_find_include_file): Rewrite.
494 (cpp_read_file): Put the "fake" hash entry into the hash
495 table. Honor the control_macro, if it turns out we've seen
496 the file before. Don't push the buffer here.
497 (_cpp_read_include_file): Push the buffer here.
498 (OMODES): New macro. Use it whenever we call open(2).
500 * cpphash.c: Include hashtab.h.
501 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
502 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
503 _cpp_lookup_slot): New functions.
504 (HASHSIZE): new macro.
505 (hashf, _cpp_install, _cpp_delete_macro): Delete.
506 (_cpp_lookup): Use hashtab.h routines.
508 * cppinit.c: Include hashtab.h.
509 (cpp_reader_init): Call _cpp_init_macro_hash and
510 _cpp_init_include_hash. Don't allocate hashtab directly.
511 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
512 pfile->all_include_files.
513 (initialize_builtins): Use _cpp_make_hashnode and
514 htab_find_slot to add hash entries.
515 (cpp_finish): Just call _cpp_dump_macro_hash.
516 * cpplib.c: Include hashtab.h.
517 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
519 (do_pragma_poison, do_assert): Likewise.
520 (do_include): Don't push the buffer here. Don't increment
521 system_include_depth unless _cpp_read_include_file succeeds.
522 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
524 (do_pragma_implementation): Use alloca to create copy.
526 * Makefile.in: Update dependencies.
528 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
530 * cppinit.c (cl_directive_handler): More K&R fixing.
532 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
534 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
536 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
538 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
540 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
541 Change from char[] to macros.
543 2000-03-12 Neil Booth <NeilB@earthling.net>
545 * cppinit.c (cpp_start_read): Update indirect function
548 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
550 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
553 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
554 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
556 2000-03-11 Neil Booth <NeilB@earthling.net>
558 * cppinit.c (struct pending option): Replace undef with a
559 pointer to a directive handling routine.
560 (struct cpp_pending): Replace separate assert_ and define_
561 lists with one directive_ list.
562 (new_pending_define): Rename new_pending_directive. Extra
563 argument is the directive's handling routine.
564 (handle_option): Update to use new_pending_directive.
566 2000-03-11 Neil Booth <NeilB@earthling.net>
568 * cppfiles.c (file_cleanup, _cpp_find_include_file,
569 remap_filename, _cpp_read_include_file, actual_directory,
570 hack_vms_include_specification): Replace bcopy(), index() etc
571 calls. Add casts to some allocations. Make some variables
572 pointers to const [unsigned] char.
573 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
574 collect_formal_parameters): Similarly.
575 * cppinit.c (struct pending_option, append_include_chain,
576 cpp_options_init, cpp_reader_init, initialize_standard_includes,
577 cpp_start_read, new_pending_define, handle_option): Similarly.
578 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
579 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
580 do_pragma_implementation, detect_if_not_defined,
581 do_ifdef, skip_if_group, cpp_get_token, parse_string,
582 do_assert, do_unassert): Similarly.
583 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
585 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
587 2000-03-10 Richard Henderson <rth@cygnus.com>
589 * builtins.c (expand_builtin_strlen): Revert last change.
590 Use emit_insn_before if we're at the beginning of a sequence.
592 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
594 * builtins.c (expand_builtin_strlen): Make sure that we have something
595 at the beginning of the sequence.
597 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
600 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
602 2000-03-10 Richard Henderson <rth@cygnus.com>
604 * except.c (can_throw): Use INTVAL on a CONST_INT.
605 (reachable_handlers): Likewise.
606 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
608 2000-03-10 Andreas Jaeger <aj@suse.de>
610 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
611 MD_STARTFILE_PREFIX since those are not needed on linux.
612 (ASM_FILE_START): New, from mips/gnu.h.
614 2000-03-09 Richard Henderson <rth@cygnus.com>
615 Alex Samuel <samuel@codesourcery.com> and others
617 * Makefile.in (ssa.o): New rule.
619 (STAGESTUFF): Add *.ssa and *.ussa.
620 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
621 * rtl.def (PHI): New RTL expression.
622 * rtl.h (clear_log_links): New declaration.
623 (convert_to_ssa): Likewise.
624 (convert_from_ssa): Likewise.
625 * flow.c (split_edge): If the entry node falls through to the
626 split edge's source block, split the entry edge.
627 (clear_log_links): New function.
628 * toplev.c (ssa_dump): New variable.
629 (flag_ssa): Likewise.
630 (f_options): Add "ssa".
631 (compile_file): Create SSA dump files.
632 (rest_of_compilation): Go to and from SSA if enabled.
633 (decide_d_option): Handle -de for SSA dump files.
636 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
638 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
641 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
643 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
645 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
647 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
648 (MD_STARTFILE_PREFIX_1): New macro.
650 2000-03-09 Robert Lipe <robertl@sco.com>
652 * config/ia64/ia64.c: Include system.h.
654 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
656 * except.c (nothrow_function_p): If -fno-exceptions, just return.
657 (init_eh_nesting_info): Likewise.
659 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
660 (TREE_NOTHROW): Rename from TREE_RAISES.
661 * toplev.c (rest_of_compilation): Set it.
662 * print-tree.c (print_node): Adjust.
663 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
664 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
665 * calls.c (emit_call_1): Add 'nothrow' parm. Add
666 REG_EH_REGION note as appropriate.
667 (libfunc_nothrow): New fn.
668 (emit_library_call, emit_library_call_value): Use it.
669 (expand_call): Check TREE_NOTHROW.
671 * varasm.c (make_decl_rtl): Skip initial '*' when setting
674 2000-03-09 Andreas Jaeger <aj@suse.de>
676 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
677 (TARGET_MEM_FUNCTIONS): Define.
679 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
681 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
683 * except.c (can_throw): See through a SEQUENCE.
684 (nothrow_function_p): New fn.
685 * except.h: Declare it.
686 * function.c (current_function_nothrow): New var.
687 (prepare_function_start): Initialize it.
688 * output.h: Declare it.
689 * toplev.c (rest_of_compilation): Set it.
690 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
692 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
694 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
695 match. (cpp_compare_defs): Count the nul separator when
696 advancing over argument names.
698 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
700 * recog.c (preprocess_constraints): Matching constraints affect
701 same alternative/different operand, not same operand/different
704 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
705 register and a constant specially.
707 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
709 * libgcc2.h: New file.
710 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
712 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
714 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
715 * configure: Regenerate.
718 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
720 * Makefile.in (LIBCPP_DEPS): New macro.
721 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
723 * cpperror.c: Include cpphash.h.
724 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
726 (lex): Don't use CPP_WARN_UNDEF.
727 (_cpp_parse_expr): Return an int, the truth value.
728 * cppfiles.c: Include cpphash.h.
729 (_cpp_merge_include_chains): Move to cppinit.c and make static.
730 * cppinit.c (include_defaults_array): Disentangle.
731 (cpp_cleanup): Don't free the if stack here.
732 (cpp_finish): Pop off all buffers, not just one.
733 * cpplib.c (eval_if_expr): Return int.
734 (do_xifdef): Rename do_ifdef.
735 (handle_directive): Don't use CPP_PREPROCESSED.
736 (cpp_get_token): Don't use CPP_C89.
737 * fix-header.c: Don't use CPP_OPTIONS.
739 * cpplib.h: Move U_CHAR, enum node_type, struct
740 file_name_list, struct ihash, is_idchar, is_idstart,
741 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
742 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
743 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
744 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
745 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
746 of _cpp_simplify_pathname, _cpp_find_include_file,
747 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
748 Move struct if_stack to cpplib.c. Move struct cpp_pending to
750 Change all uses of U_CHAR to be unsigned char instead.
751 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
753 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
755 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
756 (dwarf2out_begin_prologue): Set it.
757 (output_call_frame_info): Don't emit EH unwind info for leaves.
759 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
760 can occur outside of an EH region.
761 * except.c: Correct comments about rethrow behavior.
762 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
764 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
766 * flow.c (make_edges): Always call make_eh_edge for calls.
768 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
770 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
771 (struct cpp_buffer): Remove fname and underflow fields.
772 (struct cpp_reader): Remove get_token field.
773 (struct include_hash): Rename to struct ihash. Add typedef to
775 (struct if_stack): Remove fname field.
776 (IF_STACK_FRAME): Rename to IF_STACK.
778 * cpperror.c (print_containing_files): Trust that there are no
779 macro buffers below the top file buffer.
780 * cppfiles.c: Replace all references to 'struct include_hash'
781 with 'IHASH'. Rename initialize_input_buffer to
782 init_input_buffer. Don't set or reference cpp_buffer->fname,
783 use buffer->ihash->name instead.
784 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
786 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
787 IF_STACK_FRAME, IHASH not struct include_hash.
788 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
789 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
790 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
791 references to cpp_buffer->fname (delete entirely, or use
792 ->ihash->name instead) and IF_STACK->fname.
793 (cpp_push_buffer): Don't set new->underflow.
794 (do_include): Use cpp_file_buffer.
796 * cpphash.c (collect_formal_parameters): Remove duplicate
797 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
798 used as a macro argument name. Don't append "..." to namebuf
799 for varargs macros. After we're done scanning, go through
800 namebuf and make it NUL separated, not comma separated.
801 (_cpp_compare_defs): Remove register tag from variables.
802 Expect defn->argnames to be NUL separated.
803 (_cpp_dump_definition): Expect defn->argnames to be NUL
804 separated and in forward order.
805 * cpphash.h: Update documentation of argnames field.
807 2000-03-08 Richard Henderson <rth@cygnus.com>
809 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
810 to fail. Don't pre-expand the source operand.
812 * i386.md (strlensi): Initialize eoschar and align before use.
814 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
816 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
819 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
821 * mips.c (mips_expand_prologue): If the last
822 named argument is the vararg marker "va_list", treat it as
825 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
827 * dbxout.c (dbxout_parms): When correcting for promoted
828 big-endian parameters, use the mode of the DECL_RTL rather
831 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
833 * c-common.h (make_fname_decl): Declare.
834 * c-common.c (make_fname_decl): Define.
835 (declare_hidden_char_array): Remove.
836 (declare_function_name): Use make_fname_decl.
837 * c-decl.c (c_make_fname_decl): New function.
838 (init_decl_processing): Set make_fname_decl.
840 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
842 * cccp.c (handle_directive): Initialize backslash_newlines_p.
844 2000-03-07 Philipp Thomas <pthomas@suse.de>
846 * po/POTFILES.in: Remove cppalloc.c from file list.
848 2000-03-07 Steve Chamberlain <sac@pobox.com>
850 * pj.c (pj_expand_prologue): current_function->args_info is
851 now current_function_args_info.
853 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
854 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
855 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
857 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
859 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
860 output as hexadecimal rather than the default octal.
862 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
864 * cpphash.c (special_symbol): Fix thinko in previous commit.
866 2000-03-07 Neil Booth <NeilB@earthling.net>
868 * cppexp.c (struct operation, left_shift, right_shift,
869 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
870 "int"s to "unsigned int"s.
871 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
873 * cpplib.h: Update for above.
874 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
875 returned from allocations.
877 * cppinit.c (opt_comp, parse_options): New functions.
878 (handle_option): Use parse_option to parse a single command
879 line option, that possibly takes an argument.
880 (cpp_handle_options): Sort the array of command line options on
881 first invocation (non-ASCII hosts only).
882 (print_help): Update.
884 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
886 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
887 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
889 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
891 * cppinit.c (cpp_cleanup): Free imp->nshort also.
893 * cpperror.c (cpp_print_containing_files,
894 cpp_print_file_and_line, v_cpp_message): Rename to
895 print_containing_files, print_file_and_line, and v_message.
896 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
897 to _cpp_parse_expr, parse_escape, and lex.
898 (parse_charconst): Remove broken multibyte support.
899 * cppfiles.c (include_hash): Make static.
900 (cpp_included): New function.
901 (merge_include_chains, find_include_file, finclude,
902 simplify_pathname): Rename to _cpp_merge_include_chains,
903 _cpp_find_include_file, _cpp_read_include_file, and
904 _cpp_simplify_pathname.
905 * cpphash.c (cpp_lookup, free_definition, delete_macro,
906 cpp_install, create_definition, macroexpand, compare_defs,
907 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
908 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
909 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
910 * cppinit.c (cpp_handle_option): Rename to handle_option, make
912 * cpplib.c: Remove extern prototype of cpp_parse_expr.
914 * cpphash.h: Update prototypes.
915 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
917 2000-03-07 Andrew Haley <aph@cygnus.com>
919 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
920 PTRDIFF_TYPE should be based solely on Pmode.
923 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
925 * rtl.h (rtunion_def): Constify member `rtstr'.
926 (emit_line_note_after, emit_line_note, emit_line_note_force,
927 emit_note, decode_asm_operands): Constify.
929 * cse.c (canon_hash): Likewise.
931 * dbxout.c (dbxout_block): Likewise.
933 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
934 v_warning_for_asm): Likewise.
936 * dwarfout.c (function_start_label): Likewise.
938 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
939 emit_line_note_force): Likewise.
941 * final.c (last_filename, asm_insn_count, final_scan_insn,
942 output_source_line): Likewise.
944 * function.h (struct emit_status): Likewise.
946 * gcse.c (hash_expr_1): Likewise.
948 * genattr.c (gen_attr, main): Likewise.
950 * genattrtab.c (struct function_unit, current_alternative_string,
951 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
952 attr_numeral, check_attr_test, check_attr_value,
953 convert_set_attr_alternative, convert_set_attr,
954 compute_alternative_mask, simplify_by_exploding, gen_attr,
957 * genflags.c (gen_insn): Likewise.
959 * gengenrtl.c (type_from_format): Likewise.
961 * genopinit.c (gen_insn): Likewise.
963 * genoutput.c (n_occurrences, process_template, process_template):
966 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
969 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
972 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
973 ggc_set_mark, ggc_get_size): Likewise.
975 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
977 * optabs.c (init_one_libfunc): Likewise.
979 * output.h (assemble_start_function): Likewise.
981 * recog.c (decode_asm_operands): Likewise.
983 * toplev.c (rest_of_compilation): Likewise.
985 * tree.h (emit_line_note_after, emit_line_note,
986 emit_line_note_force): Likewise.
988 * varasm.c (asm_output_bss, asm_output_aligned_bss,
989 asm_emit_uninitialised, assemble_start_function,
990 assemble_variable, const_hash, compare_constant_1,
991 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
993 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
995 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
997 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
999 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
1001 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
1002 arm_dllimport_name_p): Likewise.
1004 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
1007 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
1009 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1011 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
1012 arm_mark_dllexport, arm_mark_dllimport,
1013 arm_pe_encode_section_info): Likewise.
1015 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
1016 ASM_FINISH_DECLARE_OBJECT): Likewise.
1018 * arm/thumb.c (thumb_function_prologue): Likewise.
1020 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
1022 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1024 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
1026 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
1028 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
1030 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1032 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
1033 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
1035 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
1037 * i386/i386.c (asm_output_function_prefix): Likewise.
1039 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
1041 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1043 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
1045 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
1046 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
1047 ASM_OUTPUT_SECTION_NAME): Likewise.
1049 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
1051 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
1053 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
1055 * m32r/m32r.c (m32r_encode_section_info): Likewise.
1057 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1059 * mcore/mcore.c (mcore_encode_section_info): Likewise.
1061 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1063 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1065 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1067 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
1069 * mips/mips.md (movdi, movsi): Likewise.
1071 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1073 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1075 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1077 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
1078 ASM_OUTPUT_ASCII): Likewise.
1080 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
1081 output_mi_thunk, output_toc): Likewise.
1083 * rs6000/rs6000.md (movsi): Likewise.
1085 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
1087 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
1089 * v850/v850.c (print_operand, print_operand_address,
1090 v850_encode_data_area): Likewise.
1092 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
1094 * config/mips/mips.md (zero_extendsidi2): Always force operand
1095 one to memory for mips16.
1097 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1099 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
1100 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
1101 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
1102 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
1103 (min_precision): Result is unsigned.
1104 (add_double, neg_double, mul_double): Low word is unsigned.
1105 (lshift_double, rshift_double, lrotate_double): Likewise.
1106 (rrotate_double, div_and_round_double): Likewise.
1107 (tree_floor_log2, compare_tree_int): New functions.
1108 (preserve_rtl_expr_temps): New declaration.
1109 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
1110 (decl_attributes): Use tree_log2 to find alignment.
1111 Check for TREE_INT_CST_HIGH for format args.
1112 (min_precision): Now unsigned.
1113 Use tree_floor_log2.
1114 (truthvalue_conversion): Delete long-disabled code.
1115 * c-decl.c (finish_struct): Clean up tests on field width.
1116 (finish_function): Use compare_tree_int.
1117 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
1118 * c-typeck.c (comptypes): Use tree_int_cst_equal.
1119 (default_conversion, digest_init): Use compare_tree_int.
1120 (build_binary_op): Use integer_all_onesp and compare_tree_int.
1121 Fix type errors in forming masks.
1122 * calls.c (initialize_argument_information): Use compare_tree_int.
1123 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1124 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
1125 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
1126 (store_field): Use compare_tree_int.
1127 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
1128 (expand_expr, case ARRAY_REF): Use compare_tree_int.
1129 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
1130 (do_store_flag): Use compare_tree_int.
1131 * fold-const.c (encode, decode): Low part is always unsigned.
1132 (force_fit_type, add_double, neg_double, mul_double): Likewise.
1133 (lshift_double, rshift_double, lrotate_double): Likewise.
1134 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
1135 (fold_convert): Use compare_tree_int.
1136 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
1137 (invert_truthvalue, case INTEGER_CST): Likewise.
1138 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
1139 * mkdeps.c (deps_dummy_targets): Make I unsigned.
1140 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
1141 (lshift_double, rshift_double, lrotate_double, rrotate_double):
1143 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
1144 (expand_end_case): Use compare_tree_int.
1145 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1146 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
1147 (layout_decl): Likewise.
1148 (layout_record, layout_union): Make sizes unsigned.
1149 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
1150 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
1151 * tree.c (struct type_hash): hashcode is unsigned.
1152 (build_type_attribute_variant, type_hash_list): Likewise.
1153 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
1154 (attribute_hash_list, build_array_type, build_method_type): Likewise.
1155 (build_complex_type): Likewise.
1156 (real_value_from_int_cst): Remove unneeded casts.
1157 (integer_all_onesp): Add casts.
1158 (tree_floor_log2, compare_tree_int): New functions.
1159 (build_index_type): Use tree_int_cst_sgn.
1160 * varasm.c (assemble_variable): Use compare_tree_int.
1162 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
1164 * cpphash.c (collect_expansion): Also catch ## at start of macro.
1166 * varasm.c (make_decl_rtl): Don't add a number to members of
1168 (make_function_rtl): Likewise.
1170 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1172 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
1173 patch from 2000-01-28.
1175 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
1177 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
1178 filled with an insn from the jump target.
1180 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1182 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
1183 (c4x_external_ref): Likewise.
1184 * config/c4x/c4x.c (struct name_list): Likewise.
1186 1999-12-16 Ben Collins <bcollins@debian.org>
1188 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
1189 argument to genmultilib.
1190 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
1191 the contents into the multilib.h header.
1192 * gcc.c: Declare multilib_exclusions for the specs file.
1193 (set_multilib_dir): Use it.
1194 (print_multilib_info): Likewise.
1195 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
1196 to pass to genmultilib.
1198 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1200 * builtins.c (built_in_class_names, built_in_names): Constify a
1203 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
1205 (_mcleanup): Ensure value matches format specifier in sprintf.
1207 * cpphash.c (special_symbol): Don't needlessly cast away
1210 * cppinit.c (base_name): Delete unused prototype.
1212 * mkdeps.c (deps_init): Make definition K&R safe.
1214 * tree.h (built_in_class_names, built_in_names): Constify a
1217 2000-03-06 Jakub Jelinek <jakub@redhat.com>
1219 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
1220 floating point instructions for epilogue delay.
1222 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
1223 to gas if it supports .register pseudo.
1225 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
1226 LONG_DOUBLE_TYPE_SIZE if not defined.
1227 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
1228 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
1230 * gengenrtl.c: Likewise.
1231 * print-rtl.c: Likewise.
1233 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
1234 MASK_LONG_DOUBLE_128.
1235 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
1236 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
1237 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
1238 (SUBTARGET_SWITCHES): Define.
1239 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
1240 with -mlong-double-128.
1241 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1242 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1243 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1244 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
1245 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
1246 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
1247 with -mlong-double-128.
1248 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1249 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1250 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1251 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
1252 TARGET_LONG_DOUBLE_128): Define.
1253 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
1254 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
1255 long double on TARGET_ARCH64.
1257 2000-03-06 Mark Mitchell <mark@codesourcery.com>
1259 * function.c (free_temps_for_rtl_expr): Don't free slots
1260 that have been pushed into a higher level.
1263 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1265 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1267 * basic-block.h (ALLOCA_REG_SET): Remove.
1268 (INITIALIZE_REG_SET): New macro.
1269 * flow.c (update_life_info): Use it.
1270 (calculate_global_regs_live): Likewise.
1271 (propagate_block): Likewise.
1272 * global.c (build_insn_chain): Likewise.
1273 * haifa-sched.c (schedule_region): Likewise.
1275 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
1277 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
1278 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
1279 (DWARF_ARANGES_PAD_SIZE): New define.
1280 (output_aranges): Use it to pad the address range header.
1281 (DWARF_ROUND): Fix for non power of 2 rounding.
1283 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
1285 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
1287 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1289 * tree.def (RTL_EXPR): Update documentation.
1290 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
1291 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
1292 * function.c (preserve_rtl_expr_temp): New function.
1293 (preserve_rtl_expr_temps): Likewise.
1294 (preserve_rtl_expr_result): Use it.
1297 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1299 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
1301 * regmove.c (copy_src_to_dest) Do not create src->dest move
1302 for unchanging destination.
1304 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1306 * function.h (struct sequence_stack): Remove rtl_expr.
1307 (struct emit_staus): Likewise.
1308 (seq_rtl_expr): Remove.
1309 * tree.h (free_temps_for_rtl_expr): Don't declare.
1310 (start_sequence_for_rtl_expr): Likewise.
1311 * rtl.h (preserve_rtl_expr_result): Likewise.
1312 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
1313 (start_sequence_for_rtl_expr): Remove.
1314 (push_topmost_sequence): Don't save sequence_rtl_expr.
1315 (pop_topmost_sequence): Remove comment about not restoring it.
1316 (end_sequence): Don't set seq_rtl_expr.
1317 (init_emit): Don't initialize it.
1318 (mark_sequence_stack): Don't mark it.
1319 (mark_emit_status): Likewise.
1320 * except.c (protect_with_terminate): Use
1321 start_sequence_for_rtl_expr, not start_sequence.
1322 * expr.c (expand_expr, case RTL_EXPR): Don't call
1323 preserve_rtl_expr_result or free_temps_for_rtl_expr.
1324 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
1325 (preserve_rtl_expr_result): Remove.
1326 (free_temps_for_rtl_expr): Likewise.
1327 (pop_temp_slots): Likewise.
1328 (mark_temp_slot): Don't mark the rtl_expr.
1329 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
1330 start_sequence_for_rtl_expr.
1332 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
1334 * mkdeps.c, mkdeps.h: New files.
1335 * po/POTFILES.in: Add them.
1336 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
1337 (cpplib.o, cppinit.o): Depend on mkdeps.h.
1338 (mkdeps.o): New target.
1340 * cppfiles.c: Delete deps_output.
1341 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
1342 OBJECT_SUFFIX, and base_name.
1343 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
1345 (initialize_dependency_output): Use deps_init,
1346 deps_add_target, deps_calc_target, and deps_add_dep. Remove
1347 all the unnecessary string bashing.
1348 (cpp_finish): Use deps_write. Remove an unnecessary nesting
1350 * cpplib.c (do_include): Use deps_add_dep.
1351 * cpplib.h (struct cpp_reader): Replace deps_buffer,
1352 deps_allocated_size, deps_size, deps_column members with
1353 single pointer to a struct deps. Delete prototype of
1356 * cppinit.c: Fix thinko in previous patch.
1358 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1360 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
1361 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
1362 (mode_for_size_tree): New function.
1363 (layout_decl, layout_type): Call it and clean up BLKmode checks.
1364 * tree.h (mode_for_size_tree): New declaration.
1366 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
1368 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
1370 * stmt.c (is_body_block): Move...
1371 * dwarfout.c, dwarf2out.c: ...from here.
1372 * tree.h: Declare it.
1373 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
1374 * final.c (final_start_function): Do call remove_unnecessary_notes
1377 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1379 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
1381 * cpplib.h (_dollar_ok): New macro.
1382 (is_idchar, is_idstart): Use it.
1383 (IStable): Rename to _cpp_IStable. Declare it const if
1384 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
1385 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
1386 is_space): Update for renamed IStable.
1388 * cppinit.c: Delete all references to FAKE_CONST and CAT
1389 macros. Define init_IStable as empty macro if gcc >=2.7 or
1390 C99. Change TABLE() to ISTABLE and hardcode name of table.
1391 (cpp_start_read): Don't change the IStable based on
1394 * cpphash.c (unsafe_chars): Add pfile argument. All callers
1395 changed. Handle '$' for char1 correctly.
1396 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
1398 * cppexp.c (tokentab2): Make const.
1399 (cpp_lex): Make toktab const.
1400 * cppinit.c (include_defaults_array): Make const.
1401 (initialize_standard_includes): Make default_include const.
1403 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1405 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
1406 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
1407 (gen_decl_die): Likewise.
1408 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
1409 (output_decl): Likewise.
1411 * varasm.c (make_function_rtl): If we change the name used in the
1412 rtl, update DECL_ASSEMBLER_NAME accordingly.
1413 (make_decl_rtl): Likewise.
1415 * toplev.c (rest_of_compilation): Tweak formatting.
1417 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
1418 remove_unnecessary_notes.
1419 (debug_ignore_block): New fn.
1420 * toplev.h: Declare it.
1421 * emit-rtl.c (remove_unncessary_notes): Call it.
1422 * dwarf2out.c (dwarf2out_ignore_block): New fn.
1423 * dwarf2out.h: Declare it.
1424 * final.c (final_start_function): Don't call remove_unnecessary_notes
1425 if we did insn scheduling.
1427 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1429 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
1430 * cpplib.h: Delete SET_CPP_PEDANTIC.
1432 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1434 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
1435 result is a RECORD_TYPE.
1437 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
1439 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
1441 2000-03-03 Richard Henderson <rth@cygnus.com>
1443 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
1444 addition over compliments over shifts.
1446 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1448 * reload1.c (reload_combine_note_use): Handle return register USEs.
1449 REG case: Handle multi-hard-register hard regs.
1451 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1453 * md.texi: Document use of '*' in insn pattern name.
1455 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1457 * calls.c (special_function_p): operator new may not be malloc-like.
1459 * gcse.c (dump_hash_table): Really fix error in last change.
1461 2000-03-02 Denis Chertykov <denisc@overta.ru>
1463 * avr.c (print_operand): Use print_operand_address instead of
1465 * avr/libgcc.S: Cleanup code.
1467 2000-03-02 Richard Henderson <rth@cygnus.com>
1469 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
1471 2000-03-02 Mark Mitchell <mark@codesourcery.com>
1473 * tree.h (TYPE_ALIGN_UNIT): New macro.
1475 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
1477 * i386.c: (constant_call_address_operand): Reject CONST_INT.
1479 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
1481 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
1483 (SET_CPP_PEDANTIC): New macro.
1484 * cpplib.c (do_include): Don't bother checking system_header_p.
1485 (do_warning, do_ident, do_assert, do_unassert): Likewise.
1486 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
1488 * function.h (struct expr_status): Add x_arg_space_so_far.
1489 (arg_space_so_far): New macro.
1490 * expr.c (init_expr): Initialize it.
1491 * calls.c (emit_call_1): Reset it.
1492 (compute_argument_block_size, expand_call): Use it.
1493 (expand_call, store_one_arg): Increment it.
1495 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1497 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
1500 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
1502 * cppfiles.c (cpp_read_file): New function.
1504 * cpphash.c (collect_expansion): Make sure to reset last_token
1505 to NORM when we hit a string. Handle trailing whitespace
1506 properly when the expansion is empty.
1507 (create_definition): Disable line commands while parsing the
1509 (dump_definition): If pfile->lineno == 0, output a line
1510 command ahead of the dump, and add a trailing newline.
1512 * cppinit.c (append_include_chain): Add fifth argument, which
1513 indicates whether or not system headers are C++ aware.
1514 (initialize_standard_includes): New function,
1515 broken out of read_and_prescan. Pass 'cxx_aware' value from
1516 the include_defaults_array on to append_include_chain.
1517 (dump_special_to_buffer): Const-ify char array.
1518 (builtin_array): Don't dump __BASE_FILE__.
1519 (cpp_start_read): Use cpp_read_file. Reorder code for
1520 clarity. Don't output line commands here for -D/-A/-U
1521 switches. Don't call deps_output for files included with
1522 -include or -imacros.
1524 * cpplib.c (do_define): Don't pay any attention to the second
1526 (cpp_expand_to_buffer): Disable line commands while scanning.
1527 (output_line_command): Work in the file buffer.
1528 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
1529 Fix formatting of comments. Prototype cpp_read_file.
1531 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1533 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
1534 reference the language-equivalent of sizetype.
1535 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
1536 * fold-const.c (size_binop, size_diffop): Put back checks.
1537 * gcse.c (dump_hash_table): Fix minor error in last change.
1538 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
1539 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
1542 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
1544 * calls.c (expand_call) Do not attempt to combine stack adjustments
1545 with inhibit_defer_pop set.
1547 2000-03-01 Mark Mitchell <mark@codesourcery.com>
1549 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
1550 the DECL_SIZE for a FIELD_DECL.
1552 2000-03-01 Bruce Korb <bkorb@gnu.org>
1554 * fixinc/inclhack.tpl: remove unused symlinks
1555 * fixinc/README: GCC Maintainer info
1556 * fixinc/inclhack.sh: regen
1557 * fixinc/fixincl.sh: regen
1559 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
1561 * cpphash.c (collect_expansion): Trim trailing white space
1562 from macro definitions, but don't go past the last insertion
1565 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
1567 * i386.md (mulqi3): New pattern.
1569 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
1571 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
1573 (struct cpp_reader): Add parsing_if_directive and
1574 parsing_define_directive flags.
1575 (struct cpp_options): Remove output_conditionals flag.
1576 (check_macro_name): Delete prototype.
1578 * cpphash.h (struct macrodef): Delete.
1579 (struct reflist): Separate from struct definition.
1580 (struct definition): Remove unused fields. Add column number.
1581 (create_definition): Returns a DEFINITION *. Takes a
1582 cpp_reader * and an int.
1584 * cpphash.c (SKIP_WHITE_SPACE): Delete.
1585 (PEEKC): Copy defn from cpplib.c.
1586 (rest_extension, REST_EXTENSION_LENGTH): Delete.
1588 (struct arglist): Simplify.
1589 (collect_expansion): Rewrite. Get tokens by calling
1590 cpp_get_token. Add more error checking.
1591 (collect_formal_parameters): New function, broken out of
1592 create_definition and reworked to use get_directive_token.
1593 (create_definition): All real work is now in collect_expansion
1594 and collect_formal_parameters. do_define handles finding the
1595 macro name. Return a DEFINITION, not a MACRODEF.
1596 (macroexpand): Replace bcopy with memcpy throughout. Replace
1597 character-at-a-time copy loop with memcpy and pointer increments.
1598 (compare-defs): d1->argnames / d2->argnames might be null.
1600 * cpplib.c (copy_rest_of_line): Delete function.
1601 (skip_rest_of_line): Do all the work ourselves.
1602 (skip_string): New function.
1603 (parse_string): Use skip_string.
1604 (get_macro_name): New function.
1605 (check_macro_name): Delete.
1606 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
1607 (cpp_skip_hspace): Use CPP_BUMP_LINE.
1608 (handle_directive): ICE if we're called on a macro buffer.
1609 (do_define): Determine macro name and type (funlike/objlike)
1610 here. Expunge all uses of MACRODEF.
1611 (cpp_push_buffer): Set line_base to NULL.
1612 (do_undef, read_line_number): Don't worry about getting a POP token.
1613 (eval_if_expression): Set/reset parsing_if_directive around
1614 cpp_parse_expr. Don't clear only_seen_white.
1615 (skip_if_group): Remove output_conditionals logic. Use
1617 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
1618 tokens under appropriate conditions.
1619 (cpp_unassert): Call do_unassert not do_assert. Oops.
1621 * cppexp.c (parse_defined): New function, break out of
1623 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
1624 ourselves, with cpp_defined.
1625 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
1627 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
1628 * gcc.dg/strpaste-2.c: New.
1630 2000-02-29 Mark Mitchell <mark@codesourcery.com>
1632 * fold-const.c (size_binop): Don't asert inputs are the same and
1633 have TYPE_IS_SIZETYPE set.
1634 (size_diffop): Likewise.
1636 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
1638 * dwarfout.c (output_block): Output abstract blocks even if they
1639 don't have TREE_ASM_WRITTEN set.
1641 * calls.c (emit_library_call): Check for null REG.
1643 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
1645 * c-decl.c (current_function_decl): Move to toplev.c.
1646 (init_decl_processing): Don't add current_function_decl as a ggc
1648 * dbxout.c (dbxout_symbol): Change return type to int.
1649 (dbxout_symbol_location, dbxout_syms): Likewise.
1650 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
1651 any locals. Use current_function_func_begin_label if set.
1652 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
1653 * dwarf2out.c (dwarf2out_begin_prologue): Set
1654 current_function_func_begin_label.
1655 * final.c (final_start_function): Reset it.
1656 * toplev.c (current_function_decl): Define it here.
1657 (current_function_func_begin_label): New variable.
1658 (main): Add both as ggc roots.
1659 * tree.h (current_function_func_begin_label): Declare.
1661 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1663 * gcse.c: Cleanups throughout: mostly white-space, but also
1664 some minor rearrangement of code.
1666 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
1668 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
1669 returns a PARALLEL. Use emit_group_load and use_group_regs
1671 (emit_library_call_value): Similarly.
1673 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
1674 * pa/quadlib.asm: Remove.
1675 * pa/quadlib.c: New file.
1677 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
1678 * configure: Rebuilt.
1680 2000-02-29 Philip Blundell <pb@futuretv.com>
1682 * config/arm/conix-elf.h: New file.
1683 * configure.in (arm*-*-conix*): New configuration.
1684 * configure: Regenerate.
1686 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
1688 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
1689 don't have TREE_ASM_WRITTEN set.
1691 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1693 * Eliminate DECL_FIELD_SIZE.
1694 * builtins.c (built_in_class_names, built_in_names): New variables.
1695 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
1696 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
1697 DECL_SIZE, not DECL_FIELD_SIZE.
1698 * print-tree.c (print_node): Remove code that prints extra blank
1699 lines in some cases.
1700 Properly handle inline and builtin function cases.
1701 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
1702 * tree.h (built_in_class_named, built_in_names): New declarations.
1703 (union tree_decl): Rename internal unions to u1 and u2 and change
1704 some of their components.
1705 Add new field built_in_class.
1706 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
1707 Reflect above changes.
1708 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
1709 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
1710 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
1711 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
1713 2000-02-28 Dmitri Makarov <dim@windriver.com>
1715 * extend.texi: Document ARM's support for long/short calls.
1717 * invoke.texi: Document ARM's -mlong-calls command line switch.
1719 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
1720 (arm_encode_call_attribute): Add prototype.
1721 (arm_set_default_type_attribute): Add prototype.
1722 (arm_strip_name_encoding): Add prototype.
1724 * config/arm/arm.c (arm_init_cumulative_args): replace
1725 initialisation og 'long_calls' field with initialisation of
1726 'call_cookie' field.
1727 (enum arm_pragma_enum): New enum.
1728 (arm_pragma_long_calls): New static variable.
1729 (arm_process_pragma): Also process "#pragma long_calls_off".
1730 (arm_valid_type_attribute_p): Accept short_call attribute.
1731 (arm_comp_type_attributes): Check long/short call attributes.
1732 (arm_encode_call_attribute): New function: Encode long_call
1733 or short_call attribute in function name.
1734 (arm_set_default_type_attributes): New function: Assign
1735 default attributes to newly defined type.
1736 (current_file_function_operand): New function: Return true if
1737 the symbol is a function which has already been compiled.
1738 (arm_is_longcall_p): New function: Return true if the
1739 indicated function should be called via a long call.
1740 (arm_get_strip_length): New function. Returns number of
1741 prefix characters to be stripped from a function's name.
1742 (arm_strip_name_encoding): New function. Strip prefix characters
1743 from a function's name.
1745 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
1747 (SHORT_CALL_FAG_CHAR): Define.
1748 (LONG_CALL_FAG_CHAR): Define.
1749 (ENCODED_SHORT_CALL_ATTR_P): Define.
1750 (ENCODED_LONG_CALL_ATTR_P): Define.
1751 (ARM_NAME_ENCODING_LENGTHS): Define.
1752 (STRIP_NAME_ENCODING): Define.
1753 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
1754 (ARM_ENCODE_CALL_TYPE): Define.
1755 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
1756 (ARM_DECLARE_FUNCTION_SIZE): Define.
1757 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
1759 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
1760 if a long call is needed.
1761 (call_value): Ditto.
1762 (call_symbol): Ditto.
1764 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
1765 ARM_DECLARE_FUNCTION_SIZE.
1767 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
1768 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
1769 (ARM_STRIP_NAME_ENCODING): Undefine.
1770 (STRIP_NAME_ENCODING): Undefine.
1771 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
1772 (ASM_DECLARE_FUNCTION_NAME): Ditto.
1773 (ASM_OUTPUT_COMMON): Ditto.
1774 (ASM_DECLARE_OBJECT_NAME): Ditto.
1776 * config/arm/pe.c (arm_dllexport_name_p): Check for
1778 (arm_dllimport_name_p): Ditto.
1779 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
1780 (arm_mark_dllimport): Ditto.
1782 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1784 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
1786 2000-02-28 Mark Mitchell <mark@codesourcery.com>
1788 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
1790 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
1792 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
1793 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
1794 NO_BUILTIN_WCHAR_TYPE is not defined.
1795 (CPP_WCHAR_TYPE): Delete.
1796 * cccp.c (main): Don't change wchar_type if cplusplus.
1797 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
1799 2000-02-28 Nick Clifton <nickc@cygnus.com>
1801 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
1803 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
1805 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
1806 (ASM_WEAKEN_LABEL): Define.
1808 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
1810 * expr.c (store_constructor): Do not emit USE.
1811 * rtl.h (stupid_life_analysis): Remove.
1813 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1815 * function.c (number_blocks): Reset next_block_index based on
1816 what debugging format is used, not what is defined.
1818 * lcm.c: Minor reformatting throughout.
1819 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
1821 * toplev.c (rest_of_compilation): Account for time in
1822 optimize_mode_switching.
1824 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
1825 if only marking labels.
1827 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
1829 * calls.c (expand_call): Attempt to combine stack adjustments with
1830 pending stack adjustments.
1832 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1834 * loop.c (reg_in_basic_block_p): Don't abort when falling through
1835 to the end of the function.
1837 2000-02-27 Mark Mitchell <mark@codesourcery.com>
1839 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
1841 * final.c (next_block_index): Remove.
1842 (max_block_depth): Likewise.
1843 (pending_blocks): Likewise.
1844 (init_final): Don't initialize them.
1845 (final_start_function): Don't set next_block_index. Set up
1847 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
1848 * function.h (number_blocks): New function.
1849 * function.c (get_block_vector): New function.
1850 (identify_blocks): Use it.
1851 (reorder_blocks): Set NOTE_BLOCK.
1852 (number_blocks): New function.
1853 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
1854 * tree.h (BLOCK_NUMBER): New macro.
1855 (tree_block): Add block_num field.
1856 * dbxout.c (next_block_number): Remove.
1857 (dbxout_init): Don't set it.
1858 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
1859 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
1861 * toplev.c (rest_of_compilation): Always call
1862 find_loop_tree_blocks. Fix indentation.
1863 * dwarf2out.c (next_block_number): Remove.
1864 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
1865 to determine block numbers.
1866 (gen_inlined_subroutine_die): Likewise.
1867 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
1868 (decls_for_scope): Don't increment next_block_number.
1869 * dwarfout.c (next_block_number): Remove.
1870 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
1871 to determine block numbers.
1872 (output_inlined_subroutine_die): Likewise.
1873 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
1874 (output_decls_for_scope): Don't increment next_block_number.
1875 * sdbout.c (next_block_number): Remove.
1876 (sdbout_block): Use BLOCK_NUMBER.
1877 (sdbout_begin_block): Simplify.
1878 * xcoffout.c (next_block_number): Remove.
1879 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
1880 (xcoffout_begin_block): Don't set next_block_number.
1881 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
1884 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1886 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
1887 (expand_builtin_strcpy): Pass correct type to size_binop.
1888 (expand_builtin_strcmp): Likewise.
1889 Clean up conditional structure.
1890 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
1891 (complete_array_type): Don't use size_binop for MAXINDEX.
1892 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
1893 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
1894 (c_alignof): Use size_one_node.
1895 (build_unary_op): Pass arg of proper type to size_binop.
1896 (really_start_incremental_init, push_init_level): Use sizetype for
1897 constructor{,_bit,_unfilled}_index.
1898 (pop_init_label, output_init_element): Likewise.
1899 (output_pending_init_elements, process_init_element): Likewise.
1900 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
1901 * expr.c (store_expr): Use size_int.
1902 (store_constructor): Use proper types for size_binop args.
1903 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
1904 (expand_expr_unaligned): Likewise.
1905 (string_contant): Return object of sizetype.
1906 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
1907 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
1908 (ARGS_SIZE_TREE): Pass proper types to size_binop.
1909 * fold-const.c (int_const_binop): Refine when size_int is called.
1910 (fold_convert): Likewise.
1911 (size_int_wide): Rework to take KIND as arg, only take low order
1912 bits, handle new sizetype_tab datatype, and chain entries in
1914 (size_int_type_wide): New function.
1915 (size_binop): Validate types of arguments.
1916 (ssize_binop): Deleted.
1917 (size_diffop): New function.
1918 (extract_muldiv): Only fold division into multiplication for sizetypes.
1919 * function.c (assign_parms): Use size_diffop and make sure
1920 VAR field is of ssizetype; also pass proper type to size_binop.
1921 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
1922 (round_down): Deleted from here.
1923 * store-layout.c (sizetype_tab): Now an array.
1924 (sizetype_set, early_root_list): New variables.
1925 (variable_size): Use size_one_node.
1926 (round_up): Pass proper type to size_binop.
1927 (round_down): Moved to here and corrected as above.
1928 (layout_record): Pass proper arg types to size_binop.
1929 (layout_type): Likewise.
1930 If sizetype_set is zero, record the type just laid out.
1931 (make_unsigned_type): Don't call set_sizetype;
1932 (make_signed_type): Likewise; also, call fixup_signed_type.
1933 (initialize_sizetypes): New function.
1934 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
1935 set name of bitsizetype to "bit_size_type".
1936 Fix up type of sizes of all types made before call.
1937 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
1938 * tree.c (fix_sizetype): Deleted.
1939 (build_common_tree_nodes): Call initialize_sizetypes.
1940 (build_common_tree_nodes_2): Don't call fix_sizetype.
1941 * tree.h (TYPE_IS_SIZETYPE): New macro.
1942 (initialize_sizetype): New declaration.
1943 (enum size_type_kind): New type.
1944 (struct sizetype_tab): Deleted.
1945 (sizetype_tab): Now array; adjust sizetype macros.
1946 (size_diffop, size_int_type_wide): New functions.
1947 (size_int_wide): Change number of args and type; access macros changed.
1948 (ssize_int, sbitsize_int): New macros.
1949 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
1950 (ROUND_TYPE_SIZE_UNIT): New macro.
1952 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
1954 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
1956 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1958 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
1959 Mark as possibly unused.
1961 * cse.c (cse_insn): Delete dead code involving tablejump.
1962 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
1964 * Makefile.in (libcpp.a): Start by deleting it.
1966 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1968 * cpplib.h (enum file_change_code): Added rename_file.
1969 * cpplib.c (do_line): If a filename is given, set file_change to
1971 (output_line_command): If file_change is rename_file, always
1972 output a # directive with the file name.
1974 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
1976 2000-02-26 Mark Mitchell <mark@codesourcery.com>
1978 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
1979 when copying a PARM_DECL or RESULT_DECL.
1981 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1983 * fix-header.c (recognized_function): Also fix prototypes for
1984 functions taking "void".
1986 2000-02-26 Geoff Keating <geoffk@cygnus.com>
1988 * reload1.c (do_output_reload): Check reg_reloaded_valid before
1989 looking at reg_reloaded_contents.
1991 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
1993 * Makefile.in (STMP_FIXINC): New toggle.
1994 (LIBGCC2_DEPS): Delete all references.
1995 (stmp-headers): Delete target. All references either deleted
1996 or changed to stmp-int-headers.
1997 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
1998 (LIBCPP_OBJS): Take out cppalloc.o.
1999 (cppalloc.o): Delete target.
2000 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
2001 (gen-protos, fix-header): Link with libiberty.a.
2002 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
2005 * configure.in: Remove refs to strerror.
2006 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
2007 * system.h: Take out strerror stanza.
2009 * cpperror.c (my_strerror): Delete function.
2010 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
2011 * cppmain.c (main): Call xmalloc_set_program_name first thing.
2012 * cppalloc.c: Delete file.
2013 * gen-protos.c: Don't provide xrealloc.
2015 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
2016 xstrerror throughout.
2018 2000-02-26 Bruce Korb <bkorb@gnu.org>
2020 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
2021 match for DOS headers, too.
2022 * fixinc/inclhack.sh,fixincl.x: Regenerate.
2024 2000-02-26 Geoff Keating <geoffk@cygnus.com>
2026 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
2027 is right for most ELF targets.
2028 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
2029 Let the default file use %U properly.
2030 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
2033 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
2036 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2038 * toplev.c (documented_lang_options): Correct spelling error.
2039 (decode_d_option, decode_f_option, main): Likewise.
2041 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
2043 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
2044 to tell assembler it is permitted to expand large constants.
2046 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
2048 * protoize.c: (AUX_INFO_SUFFIX): New macro.
2049 (aux_info_suffix): Use.
2050 (SAVE_SUFFIX): New macro.
2052 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
2053 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
2054 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
2056 * invoke.texi (Running Protoize): Update documentation.
2058 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
2060 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
2062 2000-02-25 John Wehle (john@feith.com)
2064 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
2066 2000-02-25 Anthony Green <green@cygnus.com>
2068 * toplev.c (rest_of_compilation): Rebuild jump labels if
2069 combine_instructions has created a new direct jump.
2070 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
2072 (combine_instructions): Call try_combine with new argument.
2073 Return non-null value when new direct jump instruction is created.
2074 * rtl.h: combine_instructions returns an int.
2076 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
2078 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
2079 jump when changing a computed jump into a jump to a known
2082 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
2084 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
2085 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
2087 * i386.md (define_expand "clrstrsi"): Fix typo.
2089 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
2091 * rtl.texi: Fix typo.
2093 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2095 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
2096 UNITS_PER_WORD. Change caller initial_elimination_offset.
2097 (rounded_frame_size): Take into account that argument pushed has
2098 changed. Fix TARGET_ALIGN_DOUBLE problem.
2100 2000-02-25 Geoff Keating <geoffk@cygnus.com>
2102 * haifa-sched.c (schedule_block): Explain the real reason
2103 we delete REG_SAVE_NOTEs on the first insn of a block.
2104 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
2106 2000-02-24 Mark Mitchell <mark@codesourcery.com>
2108 * input.h (push_srcloc): New function.
2109 (pop_srcloc): Likewise.
2110 * toplev.c (push_srcloc): Define it.
2111 (pop_srcloc): Likewise.
2113 2000-02-24 Richard Henderson <rth@cygnus.com>
2115 * flow.c (life_analysis): When collecting reg info, clear
2118 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2120 Fix bug exposed by reload.c no longer rounding the frame
2121 size to BIGGEST_ALIGNMENT:
2122 * sh.c (rounded_frame_size): New function.
2123 (sh_expand_prologue, sh_expand_epilogue): Use it.
2124 (initial_elimination_offset): Likewise.
2126 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2128 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
2129 * sh-protos.h (sh_need_epilogue): Declare.
2130 * sh.c (sh_need_epilogue_known): New static variable.
2131 (sh_need_epilogue): New function.
2132 (function_epilogue): Clear need_epilogue_known.
2133 * sh.md (return): Split into expander / insn pattern.
2134 Make the expander conditional on ! sh_need_epilogue ().
2136 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
2138 * machmode.h (get_mode_alignment): Declare.
2139 (GET_MODE_ALIGNMENT): Call it.
2140 * stor-layout.c (get_mode_alignment): New function. Make
2141 sure alignment is always power of 2.
2143 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2145 * i386.h: Remove useless definition of "I386" and misleading
2148 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2150 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
2151 under which TREE_PERMANENT will be set.
2152 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
2153 build1): Use TREE_SET_PERMANENT.
2154 * print-tree.c (print_node): Don't report value of
2155 TREE_PERMANENT if ggc_p is true.
2157 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
2158 decide whether to give a type a new alias set.
2159 * objc/objc-act.c (build_objc_string_object): Never copy the string.
2160 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
2161 of value of 'obstack'.
2164 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2166 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
2168 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2170 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
2171 * cpplib.c (cpp_get_token): Produce them.
2172 * cppexp.c (cpp_lex): Handle them.
2174 2000-02-23 Nick Clifton <nickc@cygnus.com>
2176 * config/arm/arm.c (arm_comp_type_attributes): Simply and
2177 comment tests on type attributes.
2179 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2181 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
2182 conform to documentation.
2183 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
2184 to check for special cases.
2185 * sh-protos.h (sh_loop_align): Declare.
2186 * sh.c (sh_loop_align): Define.
2188 2000-02-22 Andrew Haley <aph@cygnus.com>
2190 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
2191 (SIZE_TYPE): Is 32 bits when using -mgp32.
2192 (PTRDIFF_TYPE): Ditto.
2194 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2196 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
2198 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2200 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
2201 BIGGEST_FIELD_ALIGNMENT a constant.
2203 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
2205 * dwarf2out.c (output_line_info): Put the marker for the end of
2206 the line number info at the actual end.
2207 (gen_struct_or_union_type_die): Use decl_function_context
2208 to check for local classes.
2209 * dwarfout.c (output_type): Likewise.
2211 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
2213 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
2214 for arguments with a mode, but no type.
2215 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
2216 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
2217 * pa/long_double.h: New file.
2218 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
2219 both have 128bit wide long doubles.
2220 * configure: Rebuilt.
2222 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2224 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
2226 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
2227 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
2228 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
2230 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
2232 * integrate.c (compare_blocks, find_block): Likewise.
2234 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
2236 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
2238 * stmt.c (stmt_status, set_file_and_line_for_stmt,
2239 expand_asm_operands): Likewise.
2241 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
2243 * predict.c (estimate_probability): Added the pointer heuristic to
2244 the collection of static branch predictors.
2246 2000-02-21 Catherine Moore <clm@cygnus.com>
2248 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
2249 * invoke.texi (-mfix7000): Document.
2251 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
2253 * diagnostic.c (init_output_buffer): Make it possible to output at
2254 least 32 characters if we're given a too long prefix.
2256 2000-02-20 Mark Mitchell <mark@codesourcery.com>
2258 * varasm.c (initializer_constant_valid_p): Call
2259 lang_expand_constant to simplify the constant.
2261 2000-02-20 Bruce Korb <bkorb@gnu.org>
2263 * fixinc/inclhack.def(stdio_va_list):
2264 typedef needs to be disabled.
2265 * fixinc/inclhack.sh: regen
2266 * fixinc/fixincl.x: regen
2268 2000-02-20 Geoff Keating <geoffk@cygnus.com>
2270 * print-rtl.c (print_rtx): Don't print addresses when
2271 flag_dump_unnumbered.
2273 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2275 * sparc.c (sparc_output_scratch_registers): Mark parameter with
2277 (sparc_va_arg, sparc_flat_output_function_prologue,
2278 sparc_flat_output_function_epilogue): Cast value to unsigned in
2280 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
2282 * sparc.md: Add default case in switch.
2284 2000-02-19 Richard Henderson <rth@cygnus.com>
2286 * c-typeck.c (add_pending_init): Don't abort for multiple
2287 fields at the same offset.
2288 (pending_init_member): Test the correct member.
2290 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2292 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
2294 (start_catch_handler) : Same.
2296 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
2298 * Makefile.in: Have flow.o depend on $(EXPR_H)
2300 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2302 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
2303 * c-decl.c (duplicate_decls, finish_enum): Likewise.
2304 (finish_decl): Remove -Wlarger-than code from here.
2305 * flags.h (id_clash_len): Now int.
2306 (larger_than_size): Now HOST_WIDE_INT.
2307 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
2308 Clean up checking to see if in table.
2309 (make_bit_field_ref): Remove extra parm to bitsize_int.
2310 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
2311 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
2312 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
2313 and for computing size of decl.
2314 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
2315 Move -Wlarger-than code to here.
2316 (layout_record): Remove extra arg to bitsize_int.
2317 Set TYPE_BINFO_SIZE_UNIT.
2318 (layout_union): Remove extra arg to bitsize_int.
2319 Use proper type for size of QUAL_UNION.
2320 (layout_type): Remove extra arg to bitsize_int.
2321 * toplev.c (id_clash_len): Now int.
2322 (larger_than_size): Now HOST_WIDE_INT.
2323 (decode_W_option): Clean up id-clash and larger-than- cases.
2324 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
2325 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
2326 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
2327 (struct tree_decl): New field size_unit.
2328 (size_int_wide): No HIGH operand; NUMBER is now signed.
2329 (size_int_2): Deleted.
2330 (size_int, bitsize_int): Don't use it and rework args.
2331 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
2333 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
2335 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
2337 2000-02-18 Geoff Keating <geoffk@cygnus.com>
2339 * invoke.texi (Warning Options): Add an explanation of why
2340 you might want the -Wfloat-equal flag.
2342 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2344 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
2345 * cppinit.c (new_pending_define): Add cast to avoid warning.
2346 * expmed.c (extract_bit_field): Likewise.
2347 * flow.c (enum reorder_skip_type): New type.
2348 (skip_insns_between_blcok): New it.
2349 Rework to avoid warning about possibly undefined variable.
2350 * function.c (assign_parms): Make thisparm_boundary unsigned.
2351 * genrecog.c (write_switch): Cast XWINT result to int.
2352 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
2353 * mips-tfile.c (init_file): Make two versions of FDR intializer:
2354 one for MIPS and one for Alpha.
2355 (get_tag, copy_object): Add casts to avoid warnings.
2356 * optabs.c (init_one_libfunc): Cast NAME to (char *).
2357 * reload.c (find_reloads): Make TYPE enum reload_type.
2358 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
2359 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
2360 * varasm.c (compare_constant_1): Add cast to avoid warning.
2361 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
2363 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
2364 Cast switch operand of size to int.
2365 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
2366 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
2369 2000-02-18 Nick Clifton <nickc@cygnus.com>
2371 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
2372 anything for an alignment of zero.
2374 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
2375 anything for an alignment of zero.
2377 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
2379 * gcc.texi (Bug Reporting): Refer to bugs.html.
2380 (Bug Lists): Likewise.
2381 * system.h (GCCBUGURL): New preprocessor define.
2382 * rtl.c (fancy_abort): Use it.
2383 * gcc.c (main): Likewise.
2385 2000-02-18 Richard Henderson <rth@cygnus.com>
2387 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
2388 (life_analysis_1): Subsume into ...
2389 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
2390 Use update_life_info for the relaxation.
2391 (update_life_info): Update REG_BASIC_BLOCK for registers live on
2392 entry and regs_live_at_setjmp.
2393 (set_noop_p): Simplify.
2394 (notice_stack_pointer_modification_1): Renamed from s/_1//.
2395 (record_volatile_insns): Split into ...
2396 (delete_noop_moves): ... here,
2397 (notice_stack_pointer_modification): ... here,
2398 (insn_dead_p): ... and here.
2399 (propagate_block): Don't query INSN_VOLATILE.
2400 (mark_used_regs): Mind !PROP_REG_INFO.
2401 * toplev.c (rest_of_compilation): Call mark_constant_function here,
2402 not in life_analysis.
2404 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
2406 * loop.c (canonicalize_condition): New function,
2407 broken out of get_condition.
2408 (get_condition): Use it.
2409 * expr.h (canonicalize_condition): Prototype it.
2411 * tree.h (tree_int_cst_msb): Declare.
2412 * tree.c (tree_int_cst_msb): New function.
2414 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2416 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
2419 * invoke.texi (-fmessage-length=n): Document.
2421 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
2423 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
2425 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2427 * function.c (thread_prologue_and_epilogue_insns): Put a line note
2430 2000-02-17 Nick Clifton <nickc@cygnus.com>
2432 * config/arm/thumb.c: Replace includes of system headers with
2433 #include "system.h".
2435 2000-02-16 Richard Henderson <rth@cygnus.com>
2437 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
2438 Add crtbeginS.o and crtendS.o.
2439 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
2440 (ENDFILE_SPEC): Use crtendS.o.
2441 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
2443 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
2444 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
2446 (__dso_handle): New variable.
2447 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
2448 bias to __CTOR_END__.
2450 2000-02-16 Richard Henderson <rth@cygnus.com>
2452 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
2454 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
2456 * longlong.h (__clz_tab): Declare as static to match definition.
2458 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
2459 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
2460 (XREF_FILE_NAME): Define.
2462 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
2463 (EH_FRAME_SECTION_ASM_OP): Define.
2464 (IDENT_ASM_OP): Define.
2465 (TEXT_SECTION_ASM_OP): Define.
2467 (CTORS_SECTION_ASM_OP): Define.
2468 (CTOR_SECTION_FUNCTION): Use it.
2469 (DTORS_SECTION_ASM_OP): Define.
2470 (DTOR_SECTION_FUNCTION): Use it.
2472 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
2474 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
2477 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
2478 debug_bb_n): New functions.
2479 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
2480 * basic-block.h: Prototype new functions.
2482 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
2484 * configure.in: Add support for avr target.
2485 * configure: Rebuilt.
2487 * invoke.texi: Add AVR invocation docs.
2488 * install.texi: Add information about AVR.
2489 * md.texi: Add AVR constraint letters description.
2490 * extend.texi: Add description for AVR specific attributes.
2492 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
2494 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
2496 2000-02-16 Nick Clifton <nickc@cygnus.com>
2498 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
2499 (make_insn_raw): Move RTL check here.
2501 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2503 * version.c: Include gansidecl.h and version.h.
2505 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
2507 * configure.in (gcc_version): When setting, narrow search to
2508 lines containing `version_string'.
2510 * Makefile.in (mainversion): Likewise.
2511 (GCC_H): New variable.
2512 (gcc.h): Delete target.
2513 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
2514 (version.o): Depend on version.h.
2515 (dbxout.o): Don't depend on gcc.h.
2517 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
2518 Michael Meissner <meissner@cygnus.com>
2520 * md.texi (Simple Constraints): Add item about whitespace.
2521 * genoutput.c (strip_whitespace): New.
2522 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
2523 strip_whitespace for constraints.
2524 Test pointer using NULL, not 0.
2526 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2528 * cpplib.c (do_line): Pedwarn for #line > 32767.
2530 * c-lex.c (readescape): Warn about '\x', but do not reject it.
2532 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
2534 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
2535 to default cpp spec.
2536 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
2537 * cpp.texi: Document __GNUC_PATCHLEVEL__.
2540 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
2543 2000-02-15 Denis Chertykov <denisc@overta.ru>
2545 * configure.in: Add support for avr target.
2547 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2549 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
2550 (sh_addr_diff_vec_mode): Don't declare.
2551 * sh.c (sh_addr_diff_vec_mode): Delete.
2553 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2555 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
2557 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2559 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
2560 (smulsi3_highpart_i): Name.
2561 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
2562 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
2563 (smulsi3_highpart, umulsi3_highpart): Likewise.
2565 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
2566 correctly independent of endianness.
2567 (mulsidi3, umulsidi3): Now define_insn. Hide details that
2568 confuse the optimizers.
2569 (mulsidi3+1, umulsidi3+1): New define_split.
2571 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
2573 * config/sh/sh.md: Guard insn splits against illegal registers.
2574 * config/sh/sh.h: Correct comment about macros.
2576 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2577 Andrew MacLeod <amacleod@cygnus.com>
2579 * Makefile.in (lcm.o): Depend on insn-attr.h.
2580 * basic-block.h (optimize_mode_switching): Declare.
2581 * lcm.c (tm_p.h, insn-attr.h): #include.
2582 (seginfo, bb_info): New structs.
2583 (antic, transp, comp, delete, insert) : New file-scope static variables.
2584 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
2585 (reg_becomes_live, optimize_mode_switching): Likewise.
2586 * tm.texi: Add description of mode switching macros.
2587 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
2589 * sh-protos.h (remove_dead_before_cse): Remove prototype.
2590 (fldi_ok, fpscr_set_from_mem): New prototypes.
2591 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
2592 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
2593 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2594 (sh_flag_remove_dead_before_cse): Remove declaration.
2595 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
2596 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
2597 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
2598 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2599 (barrier_align): Allow for JUMP_INSNS containing a parallel.
2600 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
2601 (fldi_ok): New function.
2602 (get_fpscr_rtx): Add fpscr_rtx as GC root.
2603 (emit_sf_insn): Only generate fpu switches when optimize < 1.
2604 (emit_df_insn): Likewise.
2605 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
2606 (sh_flag_remove_dead_before_cse): Delete.
2607 (get_free_reg, fpscr_set_from_mem): New functions.
2608 * sh.md (movdf, movsf): Remove no_new_pseudos code.
2609 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
2611 2000-02-15 Loren Rittle <ljrittle@acm.org>
2613 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
2615 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2617 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
2618 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
2620 * cccp.c: Include version.h and/or don't declare `version_string'.
2621 * collect2.c: Likewise.
2622 * alpha.c: Likewise.
2623 * arm/aof.h: Likewise.
2624 * arm/coff.h: Likewise.
2625 * arm/elf.h: Likewise.
2626 * arm/pe.h: Likewise.
2627 * arm/tcoff.h: Likewise.
2628 * arm/telf.h: Likewise.
2629 * arm/tpe.h: Likewise.
2630 * arm/vxarm.h: Likewise.
2631 * convex/convex.c: Likewise.
2632 * i386/dgux.c: Likewise.
2633 * i386/sun386.h: Likewise.
2634 * m88k/m88k.c: Likewise.
2635 * mcore/mcore-pe.h: Likewise.
2636 * mips/mips.h: Likewise.
2637 * romp/romp.h: Likewise.
2638 * sh/sh.c: Likewise.
2639 * cpphash.c: Likewise.
2640 * cppinit.c: Likewise.
2641 * dwarf2out.c: Likewise.
2642 * dwarfout.c: Likewise.
2645 * mips-tfile.c: Likewise.
2646 * protoize.c: Likewise.
2647 * toplev.c: Likewise.
2650 * version.c (version_string): Constify a char*.
2652 * version.h: New file.
2654 2000-02-14 Nick Clifton <nickc@cygnus.com>
2656 * configure.in: Add mcore-elf and mcore-pe targets.
2657 * configure: Regenerate.
2659 * NEWS: Add note that MCore port has been contributed.
2661 * invoke.texi: Document command line switches for MCore port.
2662 * install.texi: Add MCore to list of supported targets.
2664 2000-02-14 Geoff Keating <geoffk@cygnus.com>
2666 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
2667 then we will need to import the frame handling functions.
2668 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
2669 to import the frames themselves.
2671 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
2672 Jason Eckhardt <jle@cygnus.com>
2674 * basic_block.h: Added prototype for reorder_basic_blocks.
2675 * toplev.c: Changes to add -freorder-blocks and graph dump after
2676 block reordering is done.
2677 * flow.c (reorder_block_def): New structure for use during block
2679 (REORDER_BLOCK_*): New macros to access members of above structure.
2680 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
2681 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
2682 functions for block reordering.
2684 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
2686 * gcc.texi (Passes): Fix typo.
2687 * md.texi (Standard Names): Ditto.
2688 * tm.texi (Storage Layout): Ditto.
2690 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
2692 * cpplib.c (do_define): Only free the old definition if it
2695 2000-02-13 Neil Booth <NeilB@earthling.net>
2697 * cppfiles.c (read_and_prescan): When emitting deferred
2698 newlines, test speccase[] again instead of checking each
2699 possible whitespace character in turn. When we encounter \r,
2700 look behind for \n first, then ahead.
2702 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
2704 * cse.c (cse_altered): New internal flag.
2705 (cse_insn): Set it if we changed an insn.
2706 (cse_main): Clear cse_altered before each basic block.
2707 Only garbage collect if cse_altered is true afterward.
2709 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2711 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
2713 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
2715 * combine.c (simplify_comparison): Fix typo.
2717 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
2719 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
2722 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2724 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
2725 previously inserted node instead of root node. Caller changed.
2727 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2729 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
2731 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2733 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
2734 __dereg_frame_dtor): Add prototype argument.
2736 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
2738 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
2740 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
2742 * gthr-vxworks.h (__gthread_once): Likewise.
2744 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
2746 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
2748 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
2749 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
2750 stack pointer in functions w/o saved registers, output LEAVE more often
2751 on TARGET_USE_LEAVE machines.
2753 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
2755 * config/arm/arm.c (arm_init_cumulative_args); New function:
2756 Initlaise the CUMULATIE_ARGS strcuture for a function
2758 (arm_function_arg): New function: Determine where to place a
2759 function's argument. Also handles deciding the function's
2761 (current_file_function_operand): New function: Return true if
2762 the symbol is a function which has already been compiled.
2763 (arm_is_long_call_p): New function: Return true if the
2764 indicated function should be called via a long call.
2765 (arm_valid_type_attribute_p): New function: Return true if the
2766 attribute is a valid, arm specific, attribute.
2767 (arm_comp_type_attribute): New function: Return true if the
2768 two types have compatable, arm specific, attributes.
2770 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
2772 (FUNCTION_ARG): Redefine to call arm_function_arg.
2773 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
2775 (INIT_CUMULATIVE_ARGS): Redefine to call
2776 arm_init_cumulative_args.
2777 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
2779 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
2781 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
2783 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
2784 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
2785 (COMP_TYPE_ATTRIBUTES): Define.
2787 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
2788 if a long call is needed.
2789 (call_value): Call arm_is_long_call_p to decide if a long call
2791 (call_symbol): Call arm_is_long_call_p to decide if a long call
2794 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
2796 2000-02-11 Denis Chertykov <denisc@overta.ru>
2798 * README.AVR: New file with information about the avr ports.
2799 * config/avr: New directory with avr port files.
2801 2000-02-11 Andreas Jaeger <aj@suse.de>
2803 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
2805 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
2807 * cpphash.c: Fix formatting, update commentary.
2808 (dump_definition): Take three separate arguments instead of a
2809 MACRODEF structure argument.
2810 * cpphash.h: Update prototype of dump_definition.
2811 * cppinit.c (cpp_finish): Update call of dump_definition.
2813 * cpplib.c (do_define): Always create new hash entry with
2814 T_MACRO type. Remove redundant check for redefinition of
2815 poisoned identifier. Update call of dump_definition.
2816 (do_undef): Don't call check_macro_name. Rename sym_length to
2818 (do_error, do_warning): Don't use copy_rest_of_line or
2820 (do_warning): Don't use pedwarn for the actual warning,
2821 only the notice about its not being in the standard. (Fixes
2822 bug with #warning in system headers.)
2823 (do_ident): Stricter argument checking - accept only a single
2824 string after #ident. Also, macro-expand the line.
2825 (do_xifdef): Use cpp_defined. De-obfuscate.
2827 (do_pragma): Split out specific pragma handling to separate
2828 functions. Use get_directive_token. Update commentary. Do
2829 not pass on #pragma once or #pragma poison to the front end.
2830 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
2831 do_pragma_default): New.
2833 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
2835 * jump.c (jump_optimize_1): The first operand in a relational
2837 * optabs.c (emit_conditional_move): Handle relationals which
2838 have a known true/false result.
2840 2000-02-11 Geoff Keating <geoffk@cygnus.com>
2842 * function.c (thread_prologue_and_epilogue_insns): Don't insert
2843 a RETURN insn into a block which already ends with a jump.
2845 2000-02-11 Geoff Keating <geoffk@cygnus.com>
2847 * haifa-sched.c (BUF_LEN): Increase a lot.
2849 2000-02-11 Nick Clifton <nickc@cygnus.com>
2851 * configure.in: Add tm_p_file specification for thumb targets.
2852 * configure: Regenerate.
2854 * config/arm/thumb-protos.h: New file: Prototypes for exported
2855 functions defined in thumb.c.
2857 2000-02-11 Robert Lipe <robertl@sco.com>
2859 * Makefile.in (bootstrap-lean): Remove additional files.
2860 (bootstrap2-lean): Likewise.
2861 (VOL_FILES): List of files for above.
2863 2000-02-11 Nathan Sidwell <nathan@acm.org>
2865 * cpphash.c (special_symbol): Remove spurious argument to
2868 2000-02-11 Joel Sherrill (joel@OARcorp.com>
2870 * configure.in: (i*86-*-rtems*): Swapped elf and coff
2872 * configure: Rebuilt.
2874 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
2876 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
2878 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
2880 * pa.c, pa.h: Remove trigraph sequences within comments.
2882 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
2884 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
2886 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
2888 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
2890 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2892 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
2894 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2896 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
2897 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
2898 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
2899 (ASM_FILE_END): Use c4x_file_end.
2900 * config/c4x/c4x.c (c4x_global_label): New function.
2901 (c4x_external_ref, c4x_file_end): Likewise.
2903 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
2904 (c4x_external_ref, c4x_end_file): Likewise.
2906 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
2908 * cppexp.c: Don't include cpphash.h.
2909 (parse_charconst, cpp_lex): Use cpp_defined.
2910 (cpp_lex): Use get_directive_token throughout. Remove
2911 unnecessary cases from switch. Move assertion-handling code
2913 (cpp_parse_expr): If we see '+' or '-', check the context to
2914 determine if they are unary or binary operators. Streamline
2915 the jumps a bit. Do not call skip_rest_of_line.
2917 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
2918 static. Export get_directive_token. Update commentary.
2919 (cpp_defined): New function.
2920 (do_define): Remove reference to T_PCSTRING. Call
2921 free_definition to release memory for old definition, when
2923 (eval_if_expression): Set only_seen_white to 0 before calling
2924 cpp_parse_expr. Call skip_rest_of_line after it returns.
2925 (cpp_read_check_assertion): Don't preserve a pointer into the
2926 token buffer across a call to cpp_get_token.
2928 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
2929 * cppfiles.c (redundant_include_p): Use cpp_defined.
2930 * cpphash.c (free_definition): New function.
2931 (delete_macro): Use it. Update commentary.
2932 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
2934 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
2935 from enum node_type. Prototype cpp_defined and get_directive_token.
2936 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
2938 * fix-header.c (check_macro_names): Use cpp_defined.
2939 (read_scan_file): Set inhibit_warnings and inhibit_errors in
2940 the options structure.
2942 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2944 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
2946 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
2948 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
2949 rather than die->die_tag.
2951 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2953 * combine.c (make_extraction, force_to_mode): Avoid warning on
2954 mixed-signedness conditionals.
2955 (make_field_assignment, nonzero_bits): Likewise.
2956 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
2957 (store_split_bit_field, extract_split_bit_field): Likewise.
2958 (extract_fixed_bit_field, store_bit_field,
2959 * expr.c: Change alignment to be unsigned everywhere.
2960 (move_by_pieces, store_constructor_field, store_constructor):
2961 Alignment parm is unsigned.
2962 (emit_block_move, emit_group_load, emit_group_store): Likewise.
2963 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
2964 (do_compare_rtx_and_jump): Likewise.
2965 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
2966 Compare align with GET_MODE_ALIGNMENT.
2967 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
2968 (get_inner_reference): Likewise.
2969 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
2970 (expand_assignment): Local vars for alignment now unsigned.
2971 (store_constructor, store_field, expand_expr, do_jump): Likewise.
2972 (do_compare_and_jump): Likewise.
2973 (store_field): Call new function expr_align.
2974 * expr.h (emit_block_move, emit_group_load, emit_group_store):
2975 Alignment arg now unsigned.
2976 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
2977 (do_compare_rtx_and_jump, store_bit_field): Likewise.
2978 (extract_bit_field): Likewise.
2979 * fold-const.c (add_double): Add cast to eliminate signedness warning.
2980 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
2981 (get_best_mode): Alignment arg is unsigned.
2982 * rtl.h (move_by_pieces): Likewise.
2983 * store-layout.c (maximum_field_alignment, set_alignment):
2985 (layout_decl): Alignment arg is now unsigned.
2986 Remove unneeded casts.
2987 (layout_record, layout_union, layout_type): Remove unneeded casts.
2988 Local alignment variables now unsigned.
2989 (get_best_mode): Alignment arg now unsigned.
2990 * tree.c (expr_align): New function.
2991 * tree.h (expr_align): Likewise.
2992 (maximum_field_alignment, set_alignment): Now unsigned.
2993 (get_inner_reference): Alignment argument is now pointer to unsigned.
2994 * varasm.c (assemble_variable): Add cast to eliminate warning.
2996 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
2998 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
2999 then store directly into op0.
3001 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
3002 the CALL_INSN, and emit the note immediately after it.
3004 2000-02-10 Nick Clifton <nickc@cygnus.com>
3006 * config/arm/thumb.md (epilogue): Include a (return) in the
3007 generated insn, and emit it using emit_jump_insn not
3010 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
3012 * function.c (assign_temp): Change zero-sized arrays to size 1.
3013 * integrate.c (expand_inline_function): Do not update
3014 stack_alignment_needed
3015 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
3016 add some sanity checking, remove optimization for function with
3019 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3021 * flow.c (mark_regs_live_at_end): Delete unused variables.
3023 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
3025 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
3026 in macro FRAME_GROWS_DOWNWARD.
3028 * stmt.c (expand_end_bindings): Delete unused variable.
3030 * unroll.c (iteration_info): Mark parameter `loop' with
3033 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3035 * fixinc/server.c (load_data): Return NULL if the marker line is
3037 (run_shell): If load_data returns NULL, retry the command once, in
3040 * configure: Rebuilt.
3042 2000-02-09 Bruce Korb <bkorb@gnu.org>
3044 * gcc/fixincludes: ** DELETED **
3045 * gcc/fixcpp: ** DELETED **
3046 * gcc/fixinc-nt.sed: ** DELETED **
3047 * gcc/just-fixinc: ** DELETED **
3048 * gcc/Makefile.in: Removed out-dated commentary
3049 * gcc/configure.in: Removed fast-fixincludes disablement.
3050 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
3052 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3053 * function.c (thread_prologue_and_epilogue_insns): Uncomment
3056 2000-02-09 Richard Henderson <rth@cygnus.com>
3058 * jump.c (delete_insn): Don't delete user labels at -O0.
3060 2000-02-09 Robert Lipe <robertl@sco.com>
3062 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
3063 Don't link with HOST_LIBS.
3065 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3067 * configure.in: Correct --help text for --with-dwarf2.
3068 Put tm-dwarf2.h after other tm files, if it's requested.
3069 * configure: Regenerate.
3070 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
3073 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3075 * cpplib.h: Provide HASHNODE typedef and forward decl of
3076 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
3077 DEFINITION, struct hashnode, struct macrodef, struct
3078 definition, scan_decls prototype, default defn of
3079 INCLUDE_LEN_FUDGE moved elsewhere.
3081 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
3082 definition, and struct hashnode moved here. Remove the unused
3083 'predefined' field from struct definition. Replace the 'args'
3084 union with its sole member. All users updated (cpphash.c).
3085 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
3086 multiple include guard.
3088 * cpphash.c (hashf): Make static; use better algorithm; drop
3089 HASHSIZE parameter; return an unsigned int.
3090 (cpp_lookup): Drop HASH parameter. PFILE parameter is
3091 used. Calculate HASHSIZE modulus here.
3092 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
3094 (create_definition): Drop PREDEFINITION parameter.
3095 * cpplib.c (do_define): Don't calculate a hash value here.
3096 Don't pass (keyword == NULL) to create_definition.
3098 * scan.h: Prototype scan_decls here.
3099 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
3100 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
3101 callers of cpp_lookup and cpp_install updated.
3103 * cpphash.c (macarg): Hoist all the flag diddling out of the
3105 (macroexpand): ... and out of the loop that calls macarg.
3106 Skip over the initial paren before macro arguments with
3107 cpp_get_non_space_token; point may be some distance before
3108 that paren. Abort if it's not there.
3110 * cpplib.c (parse_clear_mark): Delete function.
3111 (parse_set_mark, parse_goto_mark): Make static.
3112 (ACTIVE_MARK_P): New macro.
3113 (skip_block_comment, skip_line_comment): Do not bump the line
3114 if ACTIVE_MARK_P is true.
3115 (cpp_pop_buffer): The buffer to be popped may not have an
3117 (cpp_get_token): When looking for the initial paren before
3118 macro arguments, only set a mark in a file buffer, Always
3119 return to that mark before proceeding to call macroexpand or
3120 return a NAME token.
3122 * cpplib.h: Remove prototypes of parse_set_mark,
3123 parse_clear_mark, parse_goto_mark.
3124 (struct cpp_options): Rename 'put_out_comments' to
3125 'discard_comments' and invert its sense.
3126 * cppinit.c, cpphash.c, cpplib.c: All users of
3127 put_out_comments changed to use discard_comments, with
3130 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3132 * function.c (thread_prologue_and_epilogue_insns): Don't delete
3133 the edge from a block that both jumps and falls through to the
3136 2000-02-09 Scott Bambrough <scottb@netwinder.org>
3138 * config/arm/arm.md (movsi): In PIC mode, make sure that a
3139 constant source address is legitimate.
3141 2000-02-09 Philip Blundell <pb@futuretv.com>
3143 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
3146 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
3148 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
3150 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3152 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
3153 ends with a newline and a NUL. Don't be so clever manipulating
3156 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
3158 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
3159 not to BIGGEST_ALIGNMENT.
3161 2000-02-08 Geoff Keating <geoffk@cygnus.com>
3163 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
3164 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
3165 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
3166 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
3167 * frame.c (execute_cfa_insn): Handle
3168 DW_CFA_GNU_negative_offset_extended.
3170 2000-02-08 Richard Henderson <rth@cygnus.com>
3172 * flow.c (tidy_fallthru_edges): Split out from ...
3173 (delete_unreachable_blocks): ... here.
3174 (find_basic_blocks): Use it.
3176 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3178 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
3180 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
3182 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
3183 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
3184 (fix-header.o): Don't depend on cpphash.h.
3186 * scan.c (hashstr): New function.
3187 * scan.h: Prototype it.
3188 * fix-header.c: Don't include cpphash.h. Use hashstr.
3189 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
3190 hashstr. Report hash table statistics. Add private
3191 definition of xrealloc.
3193 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3195 * i386.h (TARGET_SWITCHES): Fix typo in option name.
3197 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
3199 * function.c (thread_prologue_and_epilogue_insns): Don't replace
3200 jumps with returns unless they are jumps to the fallthru block.
3202 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
3204 * i386.md (addqi3_cc): Fix contraints.
3206 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3208 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
3210 2000-02-07 Mark Mitchell <mark@codesourcery.com>
3212 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
3213 carriage return after a macro name.
3215 2000-02-07 Fred Fish <fnf@be.com>
3217 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
3218 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
3220 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
3222 * cppfiles.c (deps_output): Count spacers in deps_column.
3224 2000-02-07 Neil Booth <NeilB@earthling.net>
3226 * cppinit.c (initialize_dependency_output): If there is no
3227 suffix, don't try to look for known suffixes. Use strrchr.
3228 (cpp_start_read): Remove duplicate initialization.
3230 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
3232 * calls.c (compute_argument_block_size): New argument
3233 preferred_stack_boundary.
3234 (expand_call): update cfun->preferred_stack_boundary, update call of
3235 compute_argument_block_size
3236 (emit_library_call): Increate cfun->preferred_stack_boundary
3237 to PREFERRED_STACK_BOUNDARY
3238 (emit_library_call_value): Likewise.
3239 * explow.c (allocate_dynamic_stack_spave): Likewise.
3240 * function.c (prepare_function_start): Set
3241 cfun->preferred_stack_boundary
3242 * function.h (struct function): Add preferred_stack_boundary field.
3243 * integrate.c (expand_inline_function): Update
3244 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
3245 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
3246 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
3248 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
3250 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
3251 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
3252 cpp_pedwarn, cpp_pedwarn_with_line,
3253 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
3254 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
3255 v_cpp_error_with_line, v_cpp_warning_with_line,
3256 cpp_message_from_errno, cpp_perror_with_name): Delete.
3258 * cpperror.c (cpp_print_containing_files): Take starting
3260 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
3261 (v_cpp_message): Now called directly by all entry points.
3263 (cpp_pfatal_with_name, cpp_message): Delete.
3264 (cpp_notice_from_errno, cpp_ice): New functions.
3265 (cpp_notice): Is now for reporting error conditions, just
3266 without an associated file.
3267 (cpp_error, cpp_error_with_line): Don't do anything if
3268 opts->inhibit_errors is on.
3269 (cpp_pedwarn_with_file_and_line): Take column argument also.
3271 * cpplib.h: Update prototypes of exported functions.
3272 (struct cpp_options): Add inhibit_errors.
3274 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
3275 non-error messages. Include intl.h.
3277 * cppinit.c, cppmain.c: Likewise. Also, use
3278 cpp_notice_from_errno instead of cpp_perror_with_name or
3279 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
3281 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
3282 report internal errors.
3284 * cpplib.c (do_define): Switch bcopy to memcpy.
3285 Give cpp_pedwarn_with_file_and_line a dummy column argument.
3287 * cpplib.c (copy_rest_of_line): Revert previous change: don't
3288 bail out early if we hit a line comment.
3290 2000-02-06 Richard Henderson <rth@cygnus.com>
3292 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
3293 * basic-block.h: Declare them.
3294 * emit-rtl.h (active_insn_p): New.
3295 (next_active_insn, prev_active_insn): Use it.
3296 * rtl.h: Declare it.
3297 * function.c (emit_return_into_block): New.
3298 (thread_prologue_and_epilogue_insns): Insert return insns instead
3299 of epilogues when possible.
3300 * jump.c (jump_optimize_1): Remove code to insert a return insn
3301 on the fallthru to the exit block.
3303 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
3304 and for non-empty stack frames.
3305 * i386.md (return): Expand to return-pop as needed.
3307 2000-02-06 Richard Henderson <rth@cygnus.com>
3309 * simplify-rtx.c (simplify_relational_operation): Canonicalize
3310 constant to op1 for testing.
3312 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3314 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
3315 (fixuns_truncqfqi2): Use it.
3317 2000-02-06 Richard Henderson <rth@cygnus.com>
3319 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
3322 * i386.md (widening and peepholes): Mask the constant instead of
3325 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3327 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
3328 input pointer before possibly branching off to the backslash
3330 * cpphash.c (macroexpand): Correctly delete \r escapes when
3331 stringifying parameters.
3332 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
3333 if we can; bail out early if we hit a line comment.
3334 (handle_directive): Treat '# 123' in an .S file just like
3335 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
3336 Return 1 for '# not_a_directive'.
3337 (get_directive_token): Pop macro buffers here, so that
3338 cpp_get_token can't sneakily move past a newline.
3340 (cpp_get_token): goto randomchar if handle_directive returns 0.
3342 * cppalloc.c: Update copyright.
3343 * cpplib.c: Merge all the static function prototypes into one
3345 * cpplib.h: Remove #if 0 block.
3347 * cpperror.c: Remove #ifdef EMACS block.
3348 * cppmain.c: Likewise.
3349 * cpphash.c: Remove #if 0 blocks.
3350 * cppinit.c: Remove #if 0 blocks, and the -lint option.
3351 * cpplib.c: Remove #if 0 blocks and code referencing
3352 pcp_inside_if or for_lint. Remove duplicate error message.
3353 Fix error messages for #else after #else or #elif. Reformat.
3354 Remove archaic TODO list.
3355 * cpplib.h: Remove pcp_inside_if and for_lint flags.
3357 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3359 * i386/osf1elf.h: Add missing backslash to multiline string.
3361 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3363 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
3365 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3367 * Makefile.in (c-common.o): Depend on $(EXPR_H).
3369 * c-common.c: Include expr.h.
3371 * c-pragma.c (mark_align_stack): Add prototype.
3373 * caller-save.c (add_stored_regs): Likewise.
3375 * combine.c (record_promoted_value): Likewise.
3377 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
3380 * cppinit.c (new_pending_define): Likewise.
3382 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
3384 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
3385 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
3386 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
3387 class_scope_p): Likewise.
3389 * dwarf2out.h (dwarf2out_set_demangle_name_func,
3390 dwarf2out_add_library_unit_info): Likewise.
3392 * ggc.h (ggc_page_print_statistics): Likewise.
3394 * haifa-sched.c (propagate_deps): Likewise.
3396 * reg-stack.c (next_flags_user, record_label_references): Likewise.
3398 * rtl.h (set_stack_check_libfunc): Likewise.
3400 * toplev.h (set_fatal_function): Likewise.
3402 * toplev.c (set_fatal_function): Delete prototype.
3404 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
3406 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3408 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
3409 (FUNC_END): Likewise.
3411 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3413 * caller-save.c: Include tm_p.h.
3415 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3417 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
3419 2000-02-04 Neil Booth <NeilB@earthling.net>
3421 * cccp.c (main): Check 'dir' for a NULL pointer before passing
3424 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
3426 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
3427 * genflags.c: Use the max_operand_1 logic from genemit.c to
3428 calculate how many arguments gen_insn prototypes have. Remove
3429 NO_MD_PROTOTYPES ifdefs from the generated file.
3430 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
3431 file. Cast gen_insn initializers to insn_gen_fn.
3432 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
3433 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
3435 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3437 * fixinc/Makefile.in (HDR): Add machname.h.
3440 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3442 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
3443 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
3444 (c4x_cpu_version): Ditto.
3445 * config/c4x/c4x-protos.h: ... here.
3447 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
3449 * dwarf2out.c (add_abstract_origin_attribute): Don't call
3450 gen_abstract_function on our context if we're a nested function.
3452 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3454 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
3455 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
3457 2000-02-04 Bruce Korb <bkorb@gnu.org>
3459 * fixinc/genfixes(machname.h):
3460 Move the functionality from gen-machine.h into this file.
3461 UNdef MN_NAME_PAT if there are no names to change.
3462 Also, be a little kinder when AutoGen is not present.
3464 * fixinc/Makefile.in(machname.h):
3465 Change the generation rule to use genfixes.
3467 * fixinc/fixfixes.c(machine_name):
3468 machine_name_fix's functionality now dependent upon whether
3469 MN_NAME_PAT is defined.
3471 * fixinc/fixtests.c(machine_name):
3474 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
3477 * fixinc/fixlib.h(mn_get_regexps):
3480 * fixinc/gen-machine.h: DELETED
3482 2000-02-04 Jan Hubicka <jh@suse.cz>
3483 Richard Henderson <rth@cygnus.com>
3485 * i386.c (SAVE_REGS_FIRST): Remove.
3486 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
3487 (ix86_compute_frame_size): Likewise.
3488 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
3489 (ix86_emit_restore_regs): Remove.
3490 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
3491 when a frame pointer is in use.
3492 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
3493 instead of pop to restore a register when profitable; emit leave
3495 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
3497 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
3498 * i386.md (prologue_allocate_stack): Remove.
3499 (epilogue_deallocate_stack): Remove.
3500 (pro_epilogue_adjust_stack): New.
3502 2000-02-04 Richard Henderson <rth@cygnus.com>
3504 * function.c (diddle_return_value): Rework to use a callback function.
3505 Use current_function_return_rtx if it's been set up.
3506 (do_clobber_return_reg, clobber_return_register): New.
3507 (do_use_return_reg, use_return_register): New.
3508 (expand_function_end): Use them.
3509 * stmt.c (expand_null_return): Likewise.
3510 * function.h: Declare them.
3511 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
3512 (mark_reg): Change arguments as appropriate for callback.
3513 * integrate.c (expand_inline_function): Revert 19 Jan change.
3515 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
3517 * tm.texi (Values in Registers): Fix typo: "fo" "for".
3518 (Misc): Say the scheduler, not the Haifa scheduler.
3520 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
3522 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
3523 when in_mem is set. Update all callers.
3525 2000-02-04 Richard Henderson <rth@cygnus.com>
3527 * i386/openbsd.h (INT_ASM_OP): Define.
3529 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
3531 * tm.texi: Fix various typos.
3533 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
3535 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
3536 (MD_STARTFILE_PREFIX_1): New macro.
3538 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
3540 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
3541 destination when needed.
3542 (strmovsi, strsetsi): New expander.
3543 (strmovsi_1, strsetsi_1): New pattern.
3544 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
3545 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
3546 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
3547 * invoke.texi (align-stringops, inline-all-stringops): Document.
3549 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
3551 * i386/netbsd.h (INT_ASM_OP): Define.
3553 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
3555 * cpplib.h (cpp_reader): Add new flag, no_directives.
3556 * cpphash.c (macarg): Set it.
3557 * cpplib.c (handle_directive): If no_directives is on and we
3558 find a directive, issue an error and discard the line.
3560 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
3562 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
3563 FP constants. Add ! TARGET_FPU check for FP constants.
3565 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
3567 * flow.c (find_basic_blocks): Don't kill label_value_list
3569 (cleanup_cfg): Kill it here.
3571 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3573 * expr.c (store_field): Ensure ALIGN is no stricter than the
3576 2000-02-02 Richard Henderson <rth@cygnus.com>
3578 * jump.c (delete_insn): Partially revert 19 Jan change;
3579 don't convert unused code labels to notes at -O0.
3581 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3583 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
3584 split_all_insns to recreate REG_LABEL notes for flow2 pass.
3586 2000-02-01 Richard Henderson <rth@cygnus.com>
3588 * i386.c (general_no_elim_operand): New.
3589 (nonmemory_no_elim_operand): New.
3590 (ix86_expand_move): Copy eliminable operands before a push.
3591 * i386-protos.h: Declare new functions.
3592 * i386.h (CAN_ELIMINATE): Simplify.
3593 (PREDICATE_CODES): Update.
3594 * i386.md (push insns): Don't allow eliminable register operands.
3596 2000-02-01 Richard Henderson <rth@cygnus.com>
3598 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
3599 replace BLKmode with DECL_RTL's mode.
3601 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
3603 * frame.c (find_fde): Convert for loop to do-while so compiler
3604 sees it's always executed at least once.
3605 * libgcc2.c (BBINBUFSIZE): Kill.
3606 (__bb_init_prg): Use fgets.
3607 (__bb_exit_trace_func): Don't paste strings.
3608 * unroll.c (unroll_loop): Initialize unroll_type, not
3609 unroll_number, and tweak logic to match.
3611 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
3613 (ix86_flags_dependant): Likewise. Disentangle control flow.
3614 (ix86_sched_reorder): Break guts out to
3615 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
3616 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
3619 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
3620 use string concatenation. Don't save and restore esi.
3622 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
3623 (machname.h): Remove script to separate file. Use two-step
3624 sequence so target is not created if script fails.
3625 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
3626 identifiers are defined.
3627 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
3628 an empty string, machine_name doesn't need to do anything at
3630 (is_cxx_header): Add more cases to regexp.
3631 * fixinc/fixlib.h: Update prototype.
3632 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
3634 * fixinc/fixincl.c: Define NO_BOGOSITY.
3636 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
3637 (hp_sysfile): Add missing comma.
3638 (math_exception): Put the wrapper ifdefs at the beginning and
3639 the end of the file.
3640 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
3642 2000-02-01 Richard Henderson <rth@cygnus.com>
3644 * sparc.c (fp_zero_operand): Turn into a normal predicate.
3645 Use CONST0_RTX. Update all callers.
3646 * sparc.h, sparc-protos.h: Update accordingly.
3647 * sparc.md (fp mov insns): Use fp_zero_operand directly
3650 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3652 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
3655 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3657 * Makefile.in (specs.ready): New target.
3658 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
3660 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3662 * fixinc.irix: Use unique filenames for writing into /tmp,
3663 * fixinc.ptx: Likewise.
3664 * fixinc.sco: Likewise.
3665 * fixinc.svr4: Likewise.
3666 * fixinc.winnt: Likewise.
3668 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3670 * tsystem.h: New file.
3672 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
3673 s-crtS): Depend on tsystem.h.
3675 * crtstuff.c: Include tsystem.h.
3676 * frame.c: Likewise.
3677 * libgcc2.c: Likewise.
3679 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
3681 * builtins.c (expand_builtin_memset): Expand for variable sized
3684 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
3686 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
3689 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3691 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
3693 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
3695 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
3697 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
3698 case 3->2 combining (combining with splitting) in which 2 is CC0
3699 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
3700 checked at the begining of the function with the aid of calling
3701 function 'can_combine_p'.
3703 2000-01-31 Dave Brolley <brolley@redhat.com>
3705 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
3707 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
3709 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
3712 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3714 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
3716 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
3719 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
3721 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
3722 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
3723 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
3724 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
3725 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
3726 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
3727 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
3728 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
3729 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
3730 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
3732 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
3733 Add %(cpp_cpu) to CPP_SPEC.
3735 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
3736 Add %(cc1_cpu) to CC1_SPEC.
3738 2000-01-28 Ulrich Drepper <drepper@redhat.com>
3740 * c-decl.c (c_decode_option): Accept optional numeric argument to
3741 -Wformat and set warn_format.
3742 * c-common.c: Don't emit warning about non-constant printf format
3743 string unless warn_format > 1.
3745 2000-01-30 Richard Henderson <rth@cygnus.com>
3747 * alpha.md (return_internal): Allow after reload only.
3749 2000-01-30 Richard Henderson <rth@cygnus.com>
3751 * i386.c (ix86_compute_frame_size): Omit padding1 if the
3752 local frame size is zero.
3754 2000-01-30 Richard Henderson <rth@cygnus.com>
3756 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
3757 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
3758 * alpha.md (return): Turn into an expander.
3759 (return_internal): Don't use $26.
3760 (epilogue): Emit the return insn.
3762 2000-01-30 Richard Henderson <rth@cygnus.com>
3764 * alpha.md (negtf2, abstf2): Fix word order thinko.
3766 (trunctfsf2): Avoid intermediate rounding errors.
3768 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
3770 * cppfiles.c (find_position): Drop 'colp' argument, return the
3772 (read_and_prescan): Adjust to match. Don't ever manipulate
3773 line or line_base except via find_position.
3775 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
3777 * c-parse.in: Apply Ulrich's changes from c-parse.y.
3778 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
3781 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
3783 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
3784 just print "<command line>". If 'filename' is null or an
3785 empty string, print "<stdin>" for the filename.
3786 * cpplib.c (do_define): Don't print the 'location of the
3787 previous definition' message if we're still parsing the
3789 (cpp_pedwarn_with_file_and_line): Always call
3790 cpp_file_line_for_message.
3792 2000-01-29 Mark Mitchell <mark@codesourcery.com>
3794 * flow.c (mark_regs_live_at_end): Fix typo.
3796 2000-01-28 Ulrich Drepper <drepper@redhat.com>
3798 * c-common.c: Adjust variable names, comments, help strings to c99.
3799 * c-lex.c: Likewise.
3800 * c-parse.y: Likewise.
3801 * c-tree.h: Likewise.
3803 * cpplib.h: Likewise.
3804 * c-decl.c: Likewise. Recognize options with names "*99" as well.
3805 * cppinit.c: Likewise.
3807 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3809 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
3810 * c4x.c: Define the optab rtx values.
3811 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
3812 (c4x_emit_libcall): Use new optab rtx values.
3813 (c4x_emit_libcall3): Likewise.
3814 (c4x_emit_libcall_mulhi): Likewise.
3815 * c4x-protos.h: Add prototypes for optab rtx values and change
3816 prototypes for above c4x_emit_libcall functions.
3818 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3820 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
3822 (c4x_function_prologue): Use regnames intead of float_reg_names when
3824 (c4x_function_epilogue): Likewise.
3825 (c4x_print_operand): Likewise.
3826 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
3827 * c4x.md (set_high): Disable for TARGET_TI.
3829 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3831 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
3832 of framepointer + constant to ADDR_REGS class.
3833 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
3834 * c4x.c (std_or_reg_operand): New function.
3835 * c4x-protos.h (std_or_reg_operand): Prototype it.
3837 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3839 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
3840 object names as libgcc2.c.
3841 * libgcc.S: Use newly defined names.
3843 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
3844 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
3846 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
3847 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
3848 (FLOW_LOOP_LAST_BLOCK): Likewise.
3850 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3852 * basic-block.h (struct loop): New fields 'first' and 'last'.
3853 * flow.c (flow_loops_find): Compute loop->first and loop->last.
3854 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
3855 and loop->last to check for NOTE_INSN_LOOP_END.
3857 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
3859 * predict.c (estimate_probability): Use the new FIRST and LAST fields
3860 of the loop descriptor rather than HEADER and LATCH. Also added
3861 missing break statements as well making some coding style modifications
3862 as suggested by Michael Hayes.
3864 2000-01-28 Richard Henderson <rth@cygnus.com>
3866 * flow.c (find_basic_blocks): Remove do_cleanup argument.
3867 Break out that code ...
3868 (cleanup_cfg): ... here.
3869 (commit_one_edge_insertion): Detect a return instruction being
3870 emitted to an edge. Emit a barrier following; clear fallthru.
3871 (commit_edge_insertions): Verify CFG consistency.
3872 * function.c (expand_function_start): Kill unused variable.
3873 (expand_function_end): Likewise.
3874 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
3875 to insert the epilogue.
3877 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
3878 (delete_null_pointer_checks): Likewise.
3879 * output.h: Likewise.
3880 * reg-stack.c (reg_to_stack): Likewise.
3881 * toplev.c (rest_of_compilation): Likewise. Run
3882 thread_prologue_and_epilogue_insns after rebuilding the CFG.
3884 2000-01-28 Richard Henderson <rth@cygnus.com>
3886 * Makefile.in (flow.o): Revert 24 Jan change.
3887 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
3888 FUNCTION_VALUE result to DECL_RESULT's mode.
3890 * haifa-sched.c (schedule_insns): Don't recompute reg info
3893 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
3895 * configure.in: Make --enable-cpplib the default.
3896 * configure: Regenerate.
3897 * gcc.dg/990119-1.c: No longer expected to fail.
3899 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
3901 * jump.c (jump_optimize_1): Delete an optimization that is also done
3902 by merge_blocks in flow.
3904 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3906 * diagnostic.c (build_message_string, output_printf,
3907 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
3908 (build_location_prefix): Fix non-literal format string.
3910 2000-01-27 Richard Henderson <rth@cygnus.com>
3912 * alpha.md (trunctfsf2): New.
3914 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
3916 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
3918 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
3920 * cppinit.c (cpp_handle_option): Recognize C++ comments under
3922 * cpplib.c (skip_block_comment, skip_line_comment): Split code
3924 (skip_comment) ... here. Permit C++ comments in system
3925 headers always. Warn about C++ comments in user code under
3926 -std=gnu89 -pedantic.
3927 (copy_comment): Use skip_comment.
3928 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
3930 (consider_directive_while_skipping, do_else, do_endif): Call
3931 validate_else unconditionally.
3932 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
3933 text after the conditional in a system header.
3934 * cpplib.h (struct cpp_buffer): Add flag
3935 warned_cplusplus_comments.
3937 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
3939 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
3940 Use unshare_all_rtl_1.
3941 (unshare_all_rtl_again): New function.
3942 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
3944 * function.c (purge_addressof_1): Use unshare_all_rtl_again
3945 rather than resetting the 'used' flags ourself.
3947 * toplev.c (rest_of_compilation): Add current_function_decl
3948 to the unshare_all_rtl call.
3949 * tree.h: Prototype unshare_all_rtl.
3950 * rtl.h: Prototype unshare_all_rtl_again here.
3952 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
3954 * genoutput.c (output_prologue): Include ggc.h in generated
3956 * Makefile.in (insn-output.o): Depends on ggc.h.
3958 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
3959 Hans-Peter Nilsson <hp@bitrange.com>
3961 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
3962 Remove redundant include of xm-ns32k.h.
3963 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
3964 Remove redundant include of xm-ns32k.h.
3965 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
3966 Remove redundant include of xm-ns32k.h.
3967 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
3969 * ns32k/ns32k.h: Update comment on multiply-add instructions.
3970 (TARGET_SWITCHES): Add documentation strings.
3971 (DWARF_FRAME_REGNUM): Override default definition.
3972 (REG_CLASS_CONTENTS): Add comments.
3973 (SUBSET_P): Format to reduce line length.
3974 (SMALL_REGISTER_CLASSES): Make a run time option.
3975 (GO_IF_NONINDEXED_ADDRESS): Reformat.
3976 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
3977 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
3978 (regclass_map): fix typo in comment.
3979 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
3980 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
3981 (trace, reg_or_mem_operand): Delete, unused function.
3982 (calc_address_cost): Small offsets are cheaper than large ones.
3983 (expand_block_move): Generate more efficient code when bytes is a
3984 known at compile time.
3985 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
3986 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
3987 instead of reg_or_mem_operand.
3989 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
3990 not general_operand. Similarly use "=rm" or stricter, not "=g".
3991 For input operands, use stricter constraints than "g" if not
3992 general_operand. Similarly use stricter predicate than
3993 "general_operand" when stricter constraints than "g" are present,
3994 except for matching constraints.
3995 (movstrsi): Use "memory_operand" for operands 0 and 1.
3996 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
3997 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
3998 not reg_or_mem_operand.
3999 (udivmoddisi4): Ditto.
4000 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
4001 Use nonimmediate_operand for operand 3, not register_operand.
4002 (udivmoddiqi4_internal): Use register_operand for operand 1, not
4005 2000-01-27 Fred Fish <fnf@be.com>
4007 * gthr-posix.h: Fix typo; compatibily -> compatibility.
4008 * gthr-single.h: Likewise.
4009 * gthr-solaris.h: Likewise.
4010 * gthr-vxworks.h: Likewise.
4011 * gthr-win32.h: Likewise.
4014 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
4016 * cppinit.c: Add " (cpplib)" to end of string printed by
4019 2000-01-27 Richard Henderson <rth@cygnus.com>
4021 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
4022 testing for a signed comparison.
4023 (alpha_emit_floatuns): New.
4024 * alpha-protos.h: Declare it.
4025 * alpha.md (floatunsdisf2, floatunsdidf2): New.
4026 (extendsfdf2): Tidy.
4028 2000-01-27 Jakub Jelinek <jakub@redhat.com>
4030 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
4031 no -g option specifying debugging format, default to -gstabs+.
4033 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4035 * calls.c (special_function_p): New argument fork_or_exec.
4036 (expand_call): When profile_arc_flag is set and the function
4037 is in the fork_or_exec group, call __bb_fork_func first.
4038 * libgcc2.c, _bb module (__bb_fork_func): New function.
4039 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
4041 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
4042 * tree.h (special_function_p): Update prototype.
4044 2000-01-26 Richard Henderson <rth@cygnus.com>
4046 * alpha.c (alpha_split_tfmode_pair): New.
4047 * alpha-protos.h: Declare it.
4048 * alpha.md (abstf2, negtf2): New.
4049 (movtf insn): Add input G constraint.
4050 (movtf splitter): Use alpha_split_tfmode_pair.
4052 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4054 * i386/cygwin.h: PROTO -> PARAMS.
4056 2000-01-26 Jakub Jelinek <jakub@redhat.com>
4058 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
4059 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
4060 using _Qp_cmp/_Q_cmp and testing the return value.
4061 (print_operand): Call reverse_condition_maybe_unordered if
4062 we are handling CCFPmode or CCFPEmode.
4063 Handle ORDERED, UN* and LTGT comparisons.
4064 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
4065 if not TARGET_HARD_QUAD.
4066 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
4067 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
4068 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
4069 Adjust gen_b* calls so that they reflect return comparison of
4070 sparc_emit_float_lib_cmp.
4072 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4074 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
4075 incoming operands array is large enough for one more operand.
4076 (alpha_emit_xfloating_arith): Likewise.
4078 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4080 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
4081 file with one line and no trailing newline.
4082 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
4083 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
4084 checking if the match is on the line.
4085 * fixinc/gnu-regex.c: Provide regerror not __regerror.
4087 2000-01-25 Richard Henderson <rth@cygnus.com>
4089 * sparc.c (output_cbranch): Fix accidental squashing of the
4090 fp branch pre-delay nop.
4092 2000-01-25 Richard Henderson <rth@cygnus.com>
4094 * tree.def (UNNE_EXPR): Remove.
4095 * c-typeck.c (build_binary_op): Don't handle it.
4096 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
4098 * rtl.def (UNNE): Remove.
4100 * jump.c (reverse_condition): Update accordingly.
4101 (swap_condition): Likewise.
4102 (comparison_dominates_p): Handle unordered comparisons.
4103 (reverse_condition_maybe_unordered): New.
4104 * rtl.h (reverse_condition_maybe_unordered): Declare.
4106 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
4107 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
4108 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
4109 * sparc.md (bltgt): New.
4111 2000-01-25 Nick Clifton <nickc@redhat.com>
4113 * emit-rtl.c (emit_insn): Only check machine class insns for
4114 improper emission of a RETURN.
4116 2000-01-25 Richard Henderson <rth@cygnus.com>
4118 * Makefile.in (flow.o): Depend on $(EXPR_H).
4119 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
4120 duplicate the structure of diddle_return_value for keeping regs live.
4122 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4124 * loop.c (current_loop_info): Delete.
4125 (consec_sets_invariant_p): Add loop argument, update callers.
4126 (get_condition_for_loop): Likewise.
4127 (count_nonfixed_reads, update_giv_derive): Likewise.
4128 (simplify_giv_expr, general_induction_var): Likewise.
4129 (consec_sets_giv, recombine_givs): Likewise.
4130 (move_movables): Delete loop_start and loop_end arguments,
4131 add loop argument, and update callers.
4132 (find_mem_givs, check_final_value): Likewise.
4133 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
4134 (loop_invariant_p): Rename from invariant_p, add loop argument, and
4136 (basic_induction_var): Add loop argument, delete loop_level argument,
4138 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
4139 add loop argument, and update callers.
4140 (find_splittable_regs, find_splittable_givs): Likewise.
4141 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
4142 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
4143 (biv_total_increment): Delete loop_start and loop_end arguments;
4145 (precondition_loop_p): Delete loop_start and loop_info arguments;
4147 * loop.h (get_condition_for_loop): Add loop argument.
4148 (biv_total_increment): Delete loop_start and loop_end arguments.
4149 (precondition_loop_p): Delete loop_start and loop_info arguments;
4151 (final_biv_value): Delete loop_start and loop_end arguments;
4153 (final_giv_value, back_branch_in_range_p): Likewise.
4155 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4157 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
4159 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4161 * Makefile.in (c-gperf.h) : Change the "See" pointer to
4162 point to the new "generated_files" doc.
4164 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4166 * config/fp-bit.c (_unord_f2): Fix typo.
4168 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4170 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
4171 c-typeck.c, objc/objc-act.c: Remove all references to obstack
4172 functions obsoleted by GC, such as push_obstacks_nochange,
4173 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
4174 and code which existed only to decide whether or not to call
4175 them. Remove now-unused NESTED argument from start_function;
4176 all callers changed. Do not change behavior based on ggc_p.
4177 The use of the ixp_obstack in c-iterate.c and the util_obstack
4178 in objc/objc-act.c remain; these are not obsoleted by garbage
4180 * c-tree.h: Update prototype for start_function.
4182 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
4184 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4186 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
4189 2000-01-25 Richard Henderson <rth@cygnus.com>
4191 * sparc-protos.h (select_cc_mode): Declare.
4192 * sparc.c (select_cc_mode): New. Handle unordered compares.
4193 (output_cbranch): Always reverse via code change. Handle
4194 unordered compares. Factor tests and string updates.
4195 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
4196 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
4197 * sparc.md (bunordered, bordered): New.
4198 (bungt, bunlt, buneq, bunge, bunle): New.
4200 2000-01-25 Richard Henderson <rth@cygnus.com>
4202 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
4203 * ggc-common.c (ggc_add_rtx_varray_root): New.
4204 (ggc_mark_rtx_varray): New.
4205 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
4206 functions down below ggc_mark_foo.
4207 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
4209 2000-01-25 Richard Henderson <rth@cygnus.com>
4211 * alpha.c (secondary_reload_class): Don't allocate a secondary
4212 for integral mode memories into FLOAT_REGS. Rearrange the more
4213 complicated memory expression inward.
4215 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4217 * inclhack.def: Fixes to play nicer with FreeBSD, and
4218 corrections to comments.
4219 (cxx_unready): Add select expression.
4220 (irix_sockaddr): Add bypass expression.
4221 (machine_ansi_h_va_list): New fix.
4222 (stdio_va_list): No need to edit _BSD_VA_LIST_.
4223 Split out addition of "#include <stdarg.h>" to...
4224 (stdio_stdarg_h): ... here.
4225 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
4226 to stdlib.h also. Do not munge _BSD_SIZE_T_.
4227 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
4229 (ultrix_ifdef): Tighten up select expression.
4231 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
4232 re_ct and max_mach to avoid use of shell. Make printed names
4233 match names in inclhack.def. Use static copyright date.
4234 Don't count c_test and test expressions as requiring regex_t
4235 slots. Add some commentary.
4236 * inclhack.tpl: Do not include the 'This script contains N
4237 fixup scripts' line if PROGRAM is defined. Use static
4240 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
4242 * dwarf2out.c: include "varray.h", not dyn-string.h.
4243 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
4244 (addr_const_to_string, addr_to_string): Lose.
4245 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
4246 (struct dw_val_struct): val_addr is now an rtx.
4247 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
4248 (used_rtx_varray): New varray.
4249 (dwarf2out_init): Initialize it.
4251 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
4253 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
4254 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
4255 * Makefile.in (dwarf2out.o): Update dependencies.
4257 2000-01-24 Richard Henderson <rth@cygnus.com>
4259 * i386.c (i386_dwarf_output_addr_const): New.
4260 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
4262 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
4264 * dwarfout.c (output_mem_loc_descriptor): Likewise.
4265 * i386.c (i386_simplify_dwarf_addr): New.
4266 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
4268 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
4270 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
4271 TYPE_STUB_DECL is NULL.
4273 2000-01-24 Richard Henderson <rth@cygnus.com>
4275 * builtins.c (expand_tree_builtin): Move ...
4276 * c-common.c (expand_tree_builtin): ... here.
4278 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4280 * loop.h (LOOP_INFO): New accessor macro.
4281 * basic-block.h (struct loop): Rename field `info' to `aux'.
4282 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
4283 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
4284 * unroll.c (loop_iterations, unroll_loop): Likewise.
4286 2000-01-24 Christopher Faylor <cgf@cygnus.com>
4288 * config/i386/t-cygwin: Accomodate new winsup directory layout
4289 when searching for include files.
4291 2000-01-24 Richard Henderson <rth@cygnus.com>
4293 * rtl.def: Add unordered fp comparisions.
4294 * tree.def: Likewise.
4295 * tree.h: Add ISO C 9x unordered fp comparision builtins.
4297 * builtins.c (expand_tree_builtin): New function.
4298 * c-typeck.c (build_function_call): Use it.
4299 (build_binary_op): Support unordered compares.
4300 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
4302 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
4303 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
4304 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
4305 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
4306 * jump.c (reverse_condition): Don't abort for UNLE etc, but
4308 (swap_condition): Handle unordered compares.
4309 (thread_jumps): Check can_reverse before reversing.
4310 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
4313 * optabs.c (can_compare_p): New argument CODE. Verify branch or
4314 setcc is present before acking for cmp_optab. Update all callers.
4315 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
4316 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
4317 * expr.c (expand_expr): Likewise. Support unordered compares.
4318 (do_jump, do_store_flag): Likewise.
4319 * expr.h (enum libfunc_index): Add unordered compares.
4321 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
4322 (DPBIT_FUNCS): Add _unord_df.
4323 * config/fp-bit.c (_unord_f2): New.
4324 * fp-test.c (main): Try unordered compare builtins.
4326 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
4327 * alpha.c (alpha_comparison_operator): Check mode properly.
4328 (alpha_swapped_comparison_operator): Likewise.
4329 (signed_comparison_operator): Likewise.
4330 (alpha_fp_comparison_operator): New.
4331 (alpha_emit_conditional_branch): Handle unordered compares.
4332 * alpha.h (PREDICATE_CODES): Update.
4333 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
4334 (bunordered, bordered): New.
4336 2000-01-24 Richard Henderson <rth@cygnus.com>
4338 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
4339 * alpha.md (movtf): New expander, insn, and splitter.
4341 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
4343 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
4346 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
4348 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
4349 (FIXED_REGISTERS, CALL_USED_REGISTERS,
4350 REG_ALLOC_ORDER): Add frame pointer
4351 (FRAME_POINTER_REGNUM): Set to 20
4352 (HARD_FRAME_POINTER_REGNUM): New macro.
4353 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
4354 to HARD_FRAME_POINTER.
4355 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
4356 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
4357 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
4358 (HI_REGISTER_NAMES): Add "frame".
4359 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
4360 (debug_reg): Handle FRAME_POINTER_REGNUM.
4361 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
4362 GENERAL_REGS and INDEX_REGS.
4363 * i386.c (SAVED_REGS_FIRST): new macro.
4364 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
4365 (ix86_decompose_address, memory_address_length): Likewise.
4366 (regclass_map): Add frame pointer.
4367 (call_insn_operand): Handle frame_pointer_rtx.
4368 (reg_no_sp_operand): Likewise.
4369 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
4370 (print_operand, legitimize_pic_address): Fix formating.
4371 (ix86_compute_frame_size): Make static, update prototype, new
4372 parameters padding1, padding2, use ix86_nsaved_regs, use
4373 stack_alignment_needed.
4374 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
4375 to HARD_FRAME_POINTER_REGNUM conversions.
4376 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
4377 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
4378 (print_reg): Abort on FRAME_POINTER_REGNUM
4380 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
4382 * i386.h (PREDICATE_CODES): Add aligned_operand.
4383 * i386.c (aligned_operand): New function.
4384 (ix86_aligned_p): Kill.
4385 * i386.md (movhi_1): Emit mov for aligned operands.
4386 (promoting peep2s): Use aligned_operand.
4388 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
4390 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
4391 expression to allow underscores in macro names.
4392 (fix_char_macro_defines): Increment scanning pointer.
4394 2000-01-23 Richard Henderson <rth@cygnus.com>
4396 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
4397 * alpha/osf5.h: New file.
4398 * configure.in (alpha-*-osf5): Add it to tm_file.
4400 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
4402 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
4403 (alpha_emit_xfloating_cvt, function_arg): Declare.
4404 * alpha.c (alpha_emit_conditional_branch): Call
4405 alpha_emit_xfloating_compare for TFmode compares.
4406 (alpha_lookup_xfloating_lib_func): New.
4407 (alpha_compute_xfloating_mode_arg): New.
4408 (alpha_emit_xfloating_libcall): New.
4409 (alpha_emit_xfloating_arith): New.
4410 (alpha_emit_xfloating_compare): New.
4411 (alpha_emit_xfloating_cvt): New.
4412 (print_operand): Add default abort case.
4413 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
4414 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
4415 (BIGGEST_ALIGNMENT): Increase to 128 bits.
4416 (RETURN_IN_MEMORY): True for TF/TCmode.
4417 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
4418 (FUNCTION_ARG): Move to function_arg.
4419 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
4420 (ASM_OUTPUT_LONG_DOUBLE): New.
4421 (ASM_OUTPUT_DOUBLE): Always output bits.
4422 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
4423 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
4424 (extenddftf2, trunctfdf2): New.
4426 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4428 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
4429 * config/sparc/sol2.h: ... here.
4431 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4433 * basic-block.h (struct loops): New field `levels'.
4434 * flow.c (flow_loops_level_compute): Traverse all outer loops.
4435 (flow_loop_level_compute): Initialise level to 1.
4436 (flow_loops_find): Set loops->levels.
4437 (flow_loops_dump): Print loops->levels.
4439 2000-01-23 Richard Henderson <rth@cygnus.com>
4441 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
4442 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
4444 2000-01-23 Richard Henderson <rth@cygnus.com>
4446 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
4447 * i386.h (DBX_REGISTER_NUMBER): Use them.
4448 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
4449 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
4450 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
4451 * i386/sequent.h: Kill incorrect comment.
4453 2000-01-23 Mark Mitchell <mark@codesourcery.com>
4455 * ggc-page.c (struct page_entry): Make `context_depth' an
4457 (struct globals): Likewise.
4459 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
4461 * loop.c (check_dbra_loop): When checking a loop for
4462 reversability, check the source of any stores to ensure
4463 they don't depend on an initial value.
4465 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4467 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
4469 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
4471 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
4472 'pz_scan' into scope of entire function. Only affects
4473 compiles with -DDEBUG.
4475 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
4477 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
4478 section naming to that prior to 2000-01-07 patch.
4479 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
4480 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
4481 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
4482 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
4483 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
4485 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
4487 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
4490 2000-01-21 Jim Wilson <wilson@cygnus.com>
4492 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
4493 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
4495 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4497 * cpphash.c (change_newlines): Delete function.
4498 (struct argdata): Delete 'newlines' and 'use_count' fields.
4499 (macroexpand): Remove code referencing those fields.
4501 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4503 * loop.c (loops_info): New variable.
4504 (loop_optimize): Allocate loops->array and free it on exit.
4505 Allocate memory for loops_info and assign to each loop,
4507 (find_and_verify_loops): Do not allocate loops->array.
4509 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4511 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
4513 2000-01-21 Jakub Jelinek <jakub@redhat.com>
4515 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
4516 pseudos if expanded after first flow.
4517 (movdi_pic_label_ref): Likewise.
4519 2000-01-20 Richard Henderson <rth@cygnus.com>
4521 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
4523 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
4525 * Makefile.in (fixinc.sh): Depend on specs.
4526 * fixinc/Makefile.in: Add rule to create machname.h.
4527 (fixlib.o): Depend on machname.h.
4528 * fixinc/fixtests.c (machine_name): New test.
4529 * fixinc/fixfixes.c (machine_name): New fix.
4530 * fixinc/fixlib.c (mn_get_regexps): New helper function for
4531 the machine_name test and fix.
4532 * fixinc/fixlib.h: Prototype it.
4533 * fixinc/inclhack.def (machine_name): Use the C test and fix.
4534 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
4536 * gcc.c (do_spec_1) [case P]: Take care not to create
4537 identifiers with three leading or trailing underscores.
4539 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
4540 (fixincl): Don't specify libraries twice on link line.
4541 (gnu-regex.o): Remove special rule.
4542 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
4543 defined by config.h. Do not define _REGEX_RE_COMP.
4544 (regcomp): Allocate and initialize a fastmap.
4545 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
4547 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
4549 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
4551 2000-01-19 Richard Henderson <rth@cygnus.com>
4553 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
4554 arguments with BB. Update all callers. Tidy line wrapping.
4556 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
4558 * emit-rtl.c (try_split): Return last_insn if we split the
4561 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
4563 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
4564 (ix86_initial_elimination_offset): Declare.
4565 * i386.c (ix86_nsaved_regs): Break out from ...
4566 (ix86_can_use_return_insn_p): ... here.
4567 (ix86_emit_save_regs): Break out from ...
4568 (ix86_expand_prologue): ... here.
4569 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
4571 (ix86_expand_epilogue): ... here.
4572 (ix86_compute_frame_size): Make static, add prototype.
4573 (ix86_initial_elimination_offset): Break out from ...
4574 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
4576 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4578 * recog.h (OUT_FCN): Delete.
4580 * vax.md: Call `get_insn_template' instead of OUT_FCN.
4582 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4584 * cppalloc.c: PROTO -> PARAMS.
4585 * cpperror.c: Likewise.
4586 * cppfiles.c: Likewise.
4587 * cpplib.c: Likewise.
4588 * cpplib.h: Likewise.
4590 * config/arm/arm-protos.h: PROTO -> PARAMS.
4591 * config/arm/arm.c: Likewise.
4592 * config/c4x/c4x.c: Likewise.
4593 * config/fr30/fr30-protos.h: Likewise.
4594 * config/nextstep.c: Likewise.
4595 * config/pa/pa.c: Likewise.
4596 * config/pj/pj.c: Likewise.
4597 * config/rs6000/rs6000.c: Likewise.
4598 * config/v850/v850-protos.h: Likewise.
4599 * config/v850/v850.c: Likewise.
4601 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4603 * i370-protos.h: New file.
4605 * i370.c: Include tm_p.h. Fix compile time warnings.
4607 * i370.h: Move prototypes to i370-protos.h. Fix compile time
4610 * i370.md: Likewise.
4612 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4614 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
4615 (target_isinf, target_isnan, eisnan): Mark parameter with
4617 (eiisinf): Wrap in INFINITY.
4618 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
4619 (ibmtoe): Remove unused variable `rndsav'.
4621 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4623 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
4624 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
4626 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
4628 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
4629 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
4630 (fix_char_macro_defines, fix_char_macro_uses): New functions.
4632 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
4633 Recognize Emacs mode markers also.
4634 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
4635 C++ comments in C++ headers. Call is_cxx_header only if
4638 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
4640 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
4641 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
4642 ... these, which use the new C fixes.
4643 (math_exception): Escape literal '+' in bypass expression.
4645 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
4648 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4650 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
4653 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4655 * loop.c (loop_optimize): Allocate loop_info structure for each loop
4656 prior to calling scan_loop.
4658 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4660 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
4661 (split_branches, calc_live_regs): Likewise.
4663 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4665 * sh.md (fpu_single, fp_mode): New attributes.
4667 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4669 * loop.c (current_loop_info): Renamed from loop_info_data
4670 and changed to a pointer.
4671 (loop_optimize): Allocate loop_info structure for each loop
4672 and initialise to zero.
4673 (scan_loop): Set current_loop_info.
4675 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
4678 2000-01-19 Richard Henderson <rth@cygnus.com>
4680 * stupid.c: Die die die.
4681 * Makefile.in (OBJS): Remove stupid.o.
4682 (stupid.o): Likewise.
4684 * except.c (emit_eh_context): Don't emit USEs for stupid.
4685 * explow.c (probe_stack_range): Likewise.
4686 * flags.h (obey_regdecls): Remove.
4687 * flow.c (find_basic_blocks): Don't run try_merge_blocks
4688 when not optimizing.
4689 (life_analysis): Limit data collection when not optimizing.
4690 (mark_regs_live_at_end): Always mark the return value registers.
4691 (mark_used_regs): Remove dummy RETURN case.
4692 (print_rtl_with_bb): Don't consult obey_regdecls.
4693 * function.c (use_variable, use_variable_after): Remove.
4694 (assign_parms): Consult optimize not obey_regdecls.
4695 (expand_function_start): Don't emit USEs for stupid.
4696 (expand_function_end): Likewise.
4697 * global.c (build_insn_chain): Export.
4698 * integrate.c (expand_inline_function): Kill return-value USE
4700 * jump.c (jump_optimize_1): Do simple jump optimizations and
4701 dead code elimination.
4702 (calculate_can_reach_end): Remove check_deleted argument.
4703 (delete_insn): Patch out insns even when not optimizing.
4704 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
4705 * rtl.h (use_variable, use_variable_after): Remove declarations.
4706 (build_insn_chain): Declare.
4707 * stmt.c (expand_value_return): Don't emit USEs for stupid.
4708 (expand_end_bindings): Likewise.
4709 (expand_decl): Likewise. Consult optimize not obey_regdecls.
4710 * toplev.c (obey_regdecls): Remove.
4711 (rest_of_compilation): Don't set it. Kill stupid in favour of
4712 flow1, local-alloc, and reload.
4713 (main): Don't set obey_regdecls.
4715 * config/nextstep.c (handle_pragma): Likewise.
4717 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
4719 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
4721 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4723 * alpha-protos.h: PROTO -> PARAMS.
4724 * alpha.c: Likewise.
4726 * h8300.c: Likewise.
4727 * i386-protos.h: Likewise.
4729 * m32r-protos.h: Likewise.
4732 * mips.md: Likewise.
4733 * gmon-sol2.c: Likewise.
4734 * sparc.c: Likewise.
4736 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4738 * ns32k-protos.h: New file.
4740 * ns32k.c: Fix compile time warnings.
4742 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
4745 * ns32k.md: Likewise.
4747 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4749 * vax-protos.h: New file.
4751 * vax.c: Fix compile time warnings.
4753 * vax.h: Move prototypes to vax-protos.h. Fix compile time
4758 * vaxv.md: Likewise.
4760 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4762 * romp-protos.h: New file.
4764 * romp.c: Fix compile time warnings.
4766 * romp.h: Move prototypes to romp-protos.h. Fix compile time
4769 * romp.md: Likewise.
4771 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4773 * we32k-protos.h: New file.
4775 * we32k.c: Fix compile time warnings.
4777 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
4780 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4782 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
4784 * except.c (eh_regs): Likewise.
4786 * final.c (output_operand): Likewise.
4788 * fold-const.c (target_isinf, target_isnan): Likewise.
4790 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
4792 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
4793 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
4795 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
4797 (clrstrsi): Rewrite.
4798 (strsethi, strsetqi): New expanders.
4799 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
4800 (cmpstrsi): Emit compare insn before cmpstrsi_1
4801 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
4802 (strlensi_1): Likewise.
4803 (cmpstrsi_1): Likewise; do not output compare.
4804 (strlen expander): Do not unroll when optimizing for size.
4805 (*subsi3_carry): Rename to subsi3_carry
4806 (addqi3_cc): New pattern.
4807 * i386.h (processor_costs): Add move_ratio field.
4808 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
4809 * i386.c (*_cost): Set move_ratio.
4810 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
4811 (x86_expand_strlensi_1): Rewrite the main loop.
4813 2000-01-17 Richard Henderson <rth@cygnus.com>
4815 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
4816 * cse.c (find_comparison_args, fold_rtx): Likewise.
4817 * integrate.c (subst_constants): Likewise.
4818 * loop.c (get_condition): Likewise.
4820 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
4822 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
4824 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4826 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
4827 (RESTORE_WARN_FLAGS): Unpack it.
4828 Change semantic type of extension to ttype.
4829 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
4830 * c-parse.y, c-parse.c, objc/objc-parse.y,
4831 objc/objc-parse.c: Regenerate.
4833 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
4835 * fixinc/fixlib.c: Add copyright notice.
4836 (compile_re): New function.
4837 * fixinc/fixlib.h: Prototype compile_re.
4839 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
4840 Use compile_re to compile regular expressions.
4842 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
4843 where the pattern matched.
4845 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
4847 (ultrix_ansi_compat): Likewise.
4848 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
4850 (interactv_add2, interactv_add3): Delete.
4851 (x11_sprintf): Don't use filename glob.
4852 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
4855 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4857 * print-rtl.c: PROTO -> PARAMS.
4859 * reg-stack.c: Likewise.
4860 * resource.c: Likewise.
4861 * sdbout.h: Likewise.
4862 * simplify-rtx.c: Likewise.
4863 * stor-layout.c: Likewise.
4864 * stupid.c: Likewise.
4865 * xcoffout.c: Likewise.
4866 * xcoffout.h: Likewise.
4868 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4870 * toplev.c: PROTO -> PARAMS.
4871 * toplev.h: Likewise.
4874 * unroll.c: Likewise.
4875 * varasm.c: Likewise.
4876 * varray.c: Likewise.
4877 * varray.h: Likewise.
4879 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4881 * reload.c: PROTO -> PARAMS.
4882 * reload.h: Likewise.
4883 * reload1.c: Likewise.
4884 * reorg.c: Likewise.
4885 * resource.h: Likewise.
4888 * rtlanal.c: Likewise.
4889 * sbitmap.h: Likewise.
4890 * sdbout.c: Likewise.
4891 * stack.h: Likewise.
4893 * system.h: Likewise.
4895 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4897 * machmode.h: PROTO -> PARAMS.
4898 * mbchar.h: Likewise.
4899 * mips-tdump.c: Likewise.
4900 * mips-tfile.c: Likewise.
4901 * optabs.c: Likewise.
4902 * output.h: Likewise.
4903 * prefix.c: Likewise.
4904 * profile.c: Likewise.
4905 * protoize.c: Likewise.
4907 * recog.c: Likewise.
4908 * recog.h: Likewise.
4909 * regclass.c: Likewise.
4910 * regmove.c: Likewise.
4913 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4915 * ggc-common.c: PROTO -> PARAMS.
4916 * ggc-page.c: Likewise.
4917 * ggc-simple.c: Likewise.
4919 * global.c: Likewise.
4920 * graph.c: Likewise.
4921 * gthr-win32.h: Likewise.
4922 * haifa-sched.c: Likewise.
4923 * halfpic.h: Likewise.
4924 * integrate.c: Likewise.
4925 * integrate.h: Likewise.
4928 * local-alloc.c: Likewise.
4932 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4934 * genattr.c: PROTO -> PARAMS.
4935 * genattrtab.c: Likewise.
4936 * gencheck.c: Likewise.
4937 * gencodes.c: Likewise.
4938 * genconfig.c: Likewise.
4939 * genemit.c: Likewise.
4940 * genextract.c: Likewise.
4941 * genflags.c: Likewise.
4942 * gengenrtl.c: Likewise.
4943 * genopinit.c: Likewise.
4944 * genoutput.c: Likewise.
4945 * genpeep.c: Likewise.
4946 * genrecog.c: Likewise.
4948 2000-01-16 Mark Mitchell <mark@codesourcery.com>
4950 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
4952 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4954 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
4955 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
4956 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
4957 * configure, config.in: Rebuilt.
4959 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
4961 * config/i386/i386.md: Add peephole to merge successive stack
4964 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
4966 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
4967 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
4968 when walking backwards to find all the parameter loads when
4969 the basic block ends in a call.
4971 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4973 * loop.c (this_loop_info): Delete.
4974 (uid_loop): Add in place of uid_loop_num. All uses updated.
4975 (loop_number_exit_count): Delete and replace with entry in loop
4976 structure. All uses updated.
4977 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
4978 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
4979 (loop_outer_loop): Likewise.
4980 (loop_invalid, loop_number_exit_labels): Likewise.
4981 (loop_used_count_register): Delete and replace with entry in
4982 loop_info structure.
4983 (find_and_verify_loops): Add loops argument.
4984 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
4985 loop_end, etc. arguments with loop structure pointer. All callers
4987 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
4988 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
4989 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
4990 (insert_bct): Likewise.
4991 (basic_induction_var): New argument level.
4992 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
4993 vtop, and cont. Add used_count_register.
4994 (uid_loop): Delete declaration.
4995 (loop_number_exit_count): Likewise.
4996 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
4997 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
4998 (loop_outer_loop, loop_used_count_register): Likewise.
4999 (loop_invalid, loop_number_exit_labels): Likewise.
5000 (unroll_loop): Replace loop_start and loop_end arguments
5001 with loop structure pointer.
5002 (loop_precondition_p, loop_iterations): Likewise.
5003 Include basic-block.h.
5004 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
5005 with loop structure pointer.
5006 (loop_precondition_p, loop_iterations): Likewise.
5007 * basic-block.h (struct loop): New entries vtop, cont,
5008 cont_dominator, start, end, top, scan_start, exit_labels,
5010 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
5012 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5014 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
5016 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
5018 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
5020 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5022 * pdp11-protos.h: New file.
5024 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
5027 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
5030 * pdp11.md: Likewise.
5034 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5036 * mn10300-protos.h: New file.
5038 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
5041 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
5044 * mn10300.md: Likewise.
5046 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5048 * mn10200-protos.h: New file.
5050 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
5053 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
5056 * mn10200.md: Likewise.
5058 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5060 * h8300-protos.h: New file.
5062 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
5065 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
5068 * h8300.md: Likewise.
5070 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5072 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
5073 (asm_emit_uninitialised): Likewise.
5075 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
5077 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
5078 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
5080 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5082 * config/mips/mips.c (override_options): Don't turn on extra
5083 alignment for mips16.
5085 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5087 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
5088 eabi, and make sure queued POSTINCREMENT rtl is emitted at
5091 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5093 * builtins.c (PAD_VARARGS_DOWN): Define.
5094 (std_expand_builtin_va_arg): Use the above macro.
5095 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
5096 * tm.texi (Register Arguments): Document the above macro.
5098 2000-01-14 Nick Clifton <nickc@cygnus.com>
5100 * emit-rtl.c (emit_insn): If checking is enabled, make sure
5101 that this function has not been used to emit a jump
5104 * jump.c (return_jump_1): Cope with being passed a null rtx.
5106 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5108 * eh-common.h: PROTO -> PARAMS.
5109 * emit-rtl.c: Likewise.
5110 * errors.c: Likewise.
5111 * errors.h: Likewise.
5112 * except.c: Likewise.
5113 * except.h: Likewise.
5114 * explow.c: Likewise.
5115 * expmed.c: Likewise.
5118 * final.c: Likewise.
5119 * fix-header.c: Likewise.
5121 * fold-const.c: Likewise.
5122 * function.c: Likewise.
5123 * function.h: Likewise.
5125 * gcov-io.h: Likewise.
5129 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5131 * sh-protos.h: New file.
5133 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
5134 Add static prototypes. Fix compile time warnings.
5136 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
5140 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5142 * arc-protos.h: New file.
5144 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
5147 * arc.h: Move prototypes to arc-protos.h. Fix compile time
5152 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5154 * dsp16xx-protos.h: New file.
5156 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
5159 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
5162 * dsp16xx.md: Likewise.
5164 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5166 * convex-protos.h: New file.
5168 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
5171 * convex.h: Move prototypes to convex-protos.h. Fix compile time
5174 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5176 * elxsi-protos.h: New file.
5178 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
5181 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
5184 * elxsi.md: Likewise.
5186 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5188 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
5189 case for moving from HI/LO/HI_LO_REG. This makes the behavior
5190 match the comment for MIPS16.
5192 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
5194 * flow.c (split_edge): Do not call set_block_for_insn if we
5195 do not have a basic_block_for_insn structure.
5197 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
5198 and destination functions are 32bit aligned within the trampoline.
5199 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
5200 (TRAMPOLINE_ALIGNMENT): Define.
5202 * cse.c (cse_insn): When changing (set (pc) (reg)) to
5203 (set (pc) (label_ref)), verify the change creates a valid insn.
5205 * fr30.c (call_operand): Tighten and rework to match rules for
5206 call RTL expressions.
5207 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
5208 * fr30.md (call patterns): Improve constraints.
5210 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
5212 * fr30.c (fr30_expand_epilogue): Revert last change.
5213 Use emit_jump_insn for the return insn.
5215 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
5216 Stan Cox <scox@cygnus.com>
5218 * predict.c: New file. Preliminary infrastructure work for static
5219 branch prediction and basic block reordering.
5220 * basic-block.h: Add prototype for estimate_probability.
5221 * Makefile.in: Add rules for predict.o.
5223 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
5225 * fixincludes (va_list): Use __not_va_list__ for the dummy.
5226 * fixinc/*: Likewise.
5228 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5230 * cccp.c: PROTO -> PARAMS.
5232 * collect2.c: Likewise.
5233 * combine.c: Likewise.
5234 * convert.h: Likewise.
5236 * dbxout.c: Likewise.
5237 * dbxout.h: Likewise.
5238 * diagnostic.c: Likewise.
5239 * doprint.c: Likewise.
5240 * dwarf2out.c: Likewise.
5241 * dwarf2out.h: Likewise.
5242 * dwarfout.c: Likewise.
5243 * dwarfout.h: Likewise.
5244 * dyn-string.h: Likewise.
5246 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5248 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
5249 macro conditionals guarding use.
5251 * dwarf2out.c: Include "tm_p.h".
5253 * function.c (locate_and_pad_parm): Mark parameter with
5255 (expand_function_end): Likewise for variable `context'.
5257 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
5259 2000-01-13 Nick Clifton <nickc@cygnus.com>
5261 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
5262 register to prevent compile time warnings.
5264 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
5266 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
5267 to avoid -Wtraditional warning.
5269 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5271 * 1750a-protos.h: New file.
5273 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
5276 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
5279 * 1750a.md: Likewise.
5281 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5283 * a29k-protos.h: New file.
5285 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
5288 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
5291 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5293 * clipper-protos.h: New file.
5295 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
5298 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
5301 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5303 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
5305 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
5307 * configure.in (--enable-new-gxx-abi): New option.
5308 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
5309 * Makefile.in (GXX_ABI_FLAG): New variable.
5310 * configure: Regenerate.
5312 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5314 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
5315 * tm.texi (FORCE_STRUCT_BLK): Document.
5316 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
5318 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
5320 * config/ns32k/ns32k.md: Revert Jan 9 change.
5322 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
5323 to a mode-test, if the predicate is address_operand.
5325 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
5327 * combine.c (if_then_else_cond): Be careful about what kinds
5328 of RTL expressions are passed to operand_subword.
5330 * flow.c (split_edge): If we have to insert a new jump, make
5331 sure to associate it with a basic block.
5333 * flow.c (commit_one_edge_insertion): A block with one successor
5334 can end in a JUMP_INSN that is not a simplejump.
5336 2000-01-12 Robert Lipe <robertl@sco.com>
5338 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
5339 (BUILD_VA_LIST_TYPE): Define.
5340 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
5343 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
5345 * cccp.c (do_pragma): Add cast to (char *).
5347 2000-01-12 Richard Henderson <rth@cygnus.com>
5348 Fred Fish <fnf@be.com>
5349 Jason Merrill <jason@cygnus.com>
5351 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
5352 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
5353 * i386/beos-elf.h, i386/beos-pe.h: New files.
5355 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
5356 * cross-make (SYSTEM_HEADER_DIR): Define using
5357 CROSS_SYSTEM_HEADER_DIR.
5359 * gcc.c (LIBRARY_PATH_ENV): Provide default.
5360 (process_command): Use it.
5361 (main): Likewise. Kill trailing = from env vars.
5362 (build_search_list): Put it back.
5363 * collect2.c (main): Use LIBRARY_PATH_ENV.
5365 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
5366 * toplev.c: Use NEED_DECLARATION_ENVIRON.
5368 * tm.texi (Frame Layout): Document SMALL_STACK.
5369 * c-common.c (c_common_nodes_and_builtins): Check it.
5371 * system.h: Undef alloca after including glibc's <stdlib.h>,
5372 if USE_C_ALLOCA is defined.
5374 * gcc.c (set_input): New fn.
5375 (main): After all input files are compiled, reset the input file
5378 * aclocal.m4 (rindex, index): If already defined, don't attempt
5381 * ginclude/varargs.h: (__va_list__): Define ifndef.
5382 * ginclude/stdarg.h: Likewise.
5384 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
5385 instead of unsigned char.
5387 * hash.h (true, false, boolean): Undef before enum.
5389 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
5390 proper type of "HOST_WIDE_INT *", rather than their natural type of
5391 "unsigned HOST_WIDE_INT *".
5393 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5395 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
5397 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
5399 * regclass.c (choose_hard_reg_mode): Likewise.
5401 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
5403 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
5405 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5407 * c-common.c: PROTO -> PARAMS.
5408 * c-common.h: Likewise.
5409 * c-decl.c: Likewise.
5410 * c-iterate.c: Likewise.
5411 * c-lang.c: Likewise.
5412 * c-lex.c: Likewise.
5413 * c-lex.h: Likewise.
5414 * c-parse.in: Likewise.
5415 * c-pragma.c: Likewise.
5416 * c-pragma.h: Likewise.
5417 * c-tree.h: Likewise.
5418 * c-typeck.c: Likewise.
5419 * objc/objc-act.c: Likewise.
5420 * objc/objc-act.h: Likewise.
5422 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5424 * m88k-protos.h: New file.
5426 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
5429 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
5431 * m88k.md: Likewise.
5433 * tekXD88.h: Likewise.
5435 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5437 * m68k-protos.h: New file.
5439 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
5442 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
5444 * mot3300.h: Likewise.
5446 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
5448 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
5450 (extract_bitlist): Declare bitlen.
5452 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
5454 * cccp.c: Accept and ignore -lang-fortran.
5456 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
5457 qualifiers don't match at any level of pointerness.
5459 2000-01-12 Robert Lipe <robertl@sco.com>
5461 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
5463 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
5465 * reload1.c (reload_reg_unavailable): New static variable.
5466 (reload_reg_free_p): Test it.
5467 (reload_reg_free_for_value_p): Test it instead of
5469 (choose_reload_regs_init): Compute it.
5471 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
5473 * reorg.c (fill_slots_from_thread): Check modified_in_p
5476 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
5478 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
5479 these nodes even if INTERNALS is not set.
5481 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
5483 * gcse.c (delete_null_pointer_checks_1): Cope when
5484 get_condition cannot determine the condition.
5486 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
5488 * toplev.h (set_message_length): Declare.
5490 * diagnostic.c (obstack_chunk_alloc): Define macro.
5491 (obstack_chunk_free): Likewise.
5492 (struct output_buffer): New data structure.
5494 (output_maximum_width): New variable.
5495 (doing_line_wrapping, set_message_length, init_output_buffer,
5496 get_output_prefix, output_space_left, emit_output_prefix,
5497 output_newline, output_append, output_puts, dump_output,
5498 vbuild_message_string, build_message_string, build_location_prefix,
5499 voutput_notice, output_printf, line_wrapper_printf,
5500 vline_wrapper_message_with_location): New functions. Implement
5501 automatic line wrapping.
5502 (v_message_with_decl): Make it handle automatic line wrapping.
5503 (v_error_with_file_and_line): Likewise.
5504 (v_warning_with_file_and_line): Likewise.
5505 (announce_function): Likewise.
5506 (default_print_error_function): Likewise.
5508 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
5510 * cpplib.h (struct cpp_options): Change lang_asm to char.
5512 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
5513 done in cpp_handle_option now.
5514 (initialize_builtins): Take out special case code used only by
5516 (cpp_handle_option): Turn off trigraphs and trigraph warnings
5517 if -traditional. Recognize -lang-fortran and set
5518 lang_fortran, also turn off cplusplus_comments.
5519 (print_help): Document -lang-fortran.
5520 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
5521 lang_asm. Ignore all directives other than `# 123 "file"' if
5523 (cpp_get_token): If -traditional, don't recognize directives
5524 unless the # is in column 1.
5525 (parse_string): If lang_fortran or lang_asm, silently
5526 terminate strings ('' or "") at end of line.
5527 Remove unnecessary braces.
5529 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5530 Richard Henderson <rth@cygnus.com>
5532 * resource.c (mark_referenced_resources): Mark a set strict_low_part
5534 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
5535 strict_low_part when possible.
5537 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5539 * alias.c: PROTO -> PARAMS.
5540 * basic-block.h: Likewise.
5541 * bitmap.c: Likewise.
5542 * bitmap.h: Likewise.
5543 * builtins.c: Likewise.
5544 * c-aux-info.c: Likewise.
5545 * caller-save.c: Likewise.
5546 * calls.c: Likewise.
5548 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5550 * Makefile.in (toplev.o): Depend on regs.h.
5552 * output.h (tdesc_section): Prototype.
5554 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
5556 * sdbout.c: Include "tm_p.h".
5558 * toplev.c: Include "regs.h".
5560 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
5562 * unroll.c (unroll_loop): Add EH support.
5564 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5566 * pa-protos.h: New file.
5568 * pa.c: Include recog.h and tm_p.h.
5569 (compute_zdepwi_operands, compute_movstrsi_length,
5570 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
5571 find_addr_reg, import_milli): Add static prototypes.
5572 (pa_cpu_string, pa_arch_string): Constify a char*.
5573 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
5574 (read_only_operand): Add argument `mode'.
5575 (singlemove_string, output_move_double, output_fp_move_double,
5576 output_block_move, output_and, output_ior, output_ascii,
5577 remove_useless_addtr_insns, milli_names, output_mul_insn,
5578 output_div_insn, output_mod_insn, output_arg_descriptor,
5579 output_cbranch, output_bb, output_bvb, output_dbra, ,
5580 output_millicode_call, output_call, hppa_encode_label,
5581 output_parallel_movb, output_parallel_addb): Constify a char*.
5582 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
5583 (output_parallel_addb): Remove extra arg to `constrain_operands'
5585 * pa.h: Move all prototypes to pa-protos.h.
5586 (pa_cpu_string, pa_arch_string): Constify a char*.
5587 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
5589 * pa.md: Call `function_label_operand' with mode argument.
5590 Likewise for `read_only_operand'.
5591 Fix nesting of parens in call to `symbolic_operand'.
5593 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5595 * i860-protos.h: New file.
5597 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
5600 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
5602 * i860.md: Likewise.
5604 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
5606 * i386.md (movstrsi expander): Rewrite.
5607 (movstrsi_1 insn): Deleted.
5608 (strmovhi, strmovqi expander): New expanders.
5609 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
5610 * i386.c (x86_single_stringop): New global variable.
5611 * i386.h (x86_single_stringop): Declare.
5612 (TARGET_SINGLE_STRINGOP): New macro.
5614 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5616 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
5617 integer vararg POSTINCREMENT before the destination of the jump
5618 for the hard fp case.
5619 (function_arg_pass_by_reference): Pass a copy of CUM to
5622 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
5623 for CONSTANT_ADDRESS_P above while loop for subreg.
5625 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5627 * flow.c (propagate_block): When a prologue/epilogue insn
5628 is marked dead, unconditionally clear libcall_is_dead and
5629 insn_is_dead, and only dump rtl if warnings aren't being
5632 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
5634 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
5635 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
5636 (FIXED_REGISTERS): Set dirflag as fixed.
5637 (CALL_USED_REGISTERS): Set dirflag as used.
5638 (REG_ALLOC_ORDER): Set dirflag as last one.
5639 (DIRFLAG_REG): New macro.
5640 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
5641 (HI_REGISTER_NAMES): Add dirflag.
5642 (DEBUF_PRINT_REG): Handle dirflag.
5643 * i386.md (type attribute): New cld and str types.
5644 (length_opcode attribute): Set cld and str to 1.
5645 (memory attribute): Set str to unknown - it is not clear from the
5647 (pent_np function unit): Prefixed string operations takes 12 cycles
5648 minimally; cld takes 2 cycles.
5649 (ppro_uops attribute): Str is "many" and cld is "few".
5650 (ppro_p0 unit): Handle cld here.
5651 (k6_alux unit): Handle cld and str types.
5652 (k6_load unit): It is ocupied by str opcodes.
5653 (k6_store unit): It is ocupied by str opcodes.
5654 (athlon_decode): Str is vector decoded.
5655 (athlon_ieu): Handle str and cld.
5657 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
5658 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
5659 cmpstrsi_nz_1 insn): Do not output cld instruction
5661 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
5663 * gcc.texi (G++ and GCC): Add Java and Chill.
5664 (Bug Critera): Don't list languages.
5666 * gcc.texi (Incompatibilities): No longer claim most C compilers
5669 * gcc.texi (G++ and GCC): Update other front-ends list.
5671 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
5673 * i386.c (ix86_expand_setcc): Fix typo.
5674 (ix86_expand_movcc): Similarly.
5676 * Band-aid until haifa's bitset implementation is nuked.
5677 * haifa-sched.c (extract_bitlst): New parameter for size of the
5678 bitset in bits. All callers changed. Avoid looking at undefined
5680 (edgeset_bitsize): New variable.
5681 (schedule_region): Initialize edgeset_bitsize.
5683 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5685 * Makefile.in (optabs.o): Depend on real.h
5686 (resource.o): Depend on insn-attr.h
5688 * builtins.c (result_vector): Wrap prototype in macro conditions
5689 governing definition and use.
5691 * c-common.c: Include tm_p.h.
5693 * c-lex.c: Likewise.
5695 * elfos.h: Constify a char*.
5697 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
5698 (get_attr_length, shorten_branches, profile_after_prologue): Mark
5699 parameter with ATTRIBUTE_UNUSED.
5701 * fold-const.c (exact_real_inverse): Wrap variable `i' in
5704 * haifa-sched.c (schedule_insns): Mark parameter with
5707 * optabs.c: Include real.h.
5709 * real.h (ereal_atof): Add prototype arguments.
5711 * resource.c: Include insn-attr.h.
5713 * sdbout.c (sdbout_queue_anonymous_type,
5714 sdbout_dequeue_anonymous_types): Wrap in macro
5715 SDB_ALLOW_FORWARD_REFERENCES.
5716 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
5719 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
5721 * stupid.c: Include tm_p.h.
5723 * tree.c (real_value_from_int_cst): Mark parameter with
5726 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5728 * i960-protos.h: New file.
5730 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
5733 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
5735 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5737 * combine.c (expand_field_assignment): Do not discard SUBREGs
5738 while computing nonzero_bits.
5740 2000-01-09 Nick Clifton <nickc@cygnus.com>
5742 * config/arm/arm.c: Fix compile time warnings about signed vs
5744 * config/arm/arm.h: Fix compile time warnings about signed vs
5747 2000-01-09 Philip Blundell <philb@gnu.org>
5749 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
5750 than `ldm' with only one register.
5751 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
5754 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
5757 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
5759 * config/ns32k/ns32k.md (load or push effective address): Operand 1
5762 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5764 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
5765 assignment used as truth value.
5767 * function.c (assign_temp): Mark parameter `dont_promote' with
5768 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
5769 PROMOTE_FOR_CALL_ONLY.
5771 * genrecog.c (write_subroutine): Mark variable `operands' with
5774 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
5777 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
5778 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
5780 * toplev.c (note_deferral_of_defined_inline_function): Likewise
5783 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5785 * config/c4x.h: Tidy up comments.
5786 * config/c4x.c: Likewise.
5788 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
5790 * fold-const.c (lshift_double, rshift_double): Handle
5791 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
5793 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5795 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
5796 in prepare_function_start().
5798 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
5800 * config/v850/v850.c (expand_epilogue): Interrupt functions no
5801 longer allocate extra stack for function calls.
5803 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5805 * config/c4x/c4x.md (*subqf3_set): Fix typo.
5807 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5809 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
5811 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5813 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5814 * aix43.h: Revert Aug 2 change.
5815 (HAS_INIT_SECTION): Define, not visible yet.
5816 (LD_INIT_SWITCH): Define, not visible yet.
5817 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5819 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
5821 * collect2.c (main): Expand ld2 size further.
5822 (export_object_lst): Cast assignment to avoid warning.
5823 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
5824 (scan_prog_file, COFF): Do not collect initialization or
5825 finalization functions generated for entire shared object if
5826 init/fini support present.
5828 2000-01-07 Nick Clifton <nickc@cygnus.com>
5830 * config/elfos.h: Tidy up formatting of marcos. Make sure
5831 that .section directives are always prefixed by a tab.
5833 * config/svr4.h: Add #include "elfos.h" and remove duplicate
5836 2000-01-07 Matt Austern <austern@sgi.com>
5838 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
5841 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
5843 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
5845 (crtbegin.o, s-crtS): Likewise.
5847 2000-01-06 Richard Henderson <rth@cygnus.com>
5849 * alpha.md (adddi_2+1): Limit offset such that it will be
5850 loadable with a single ldah+lda pair.
5851 (adddi_2+2): Explicitly fail split if we can't make it work.
5853 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
5855 * protoize.c: Conditionally include unistd.h.
5856 (IS_SAME_PATH_CHAR): New macro.
5857 (IS_SAME_PATH): New macro.
5858 (CPLUS_FILE_SUFFIX): New macro.
5859 (cplus_suffix): New static variable.
5860 (is_abspath): New static function.
5861 (in_system_include_dir): Handle DOS style pathnames.
5862 (file_could_be_converted): Likewise.
5863 (file_normally_convertible): Likewise.
5864 (directory_specified_p): Likewise.
5865 (file_excluded_p): Likewise.
5866 (abspath): Likewise.
5867 (shortpath): Likewise.
5868 (referenced_file_is_newer): Likewise.
5869 (save_def_or_dec): Likewise.
5870 (do_processing): Likewise.
5872 (edit_file): Likewise. Use rename instead of link.
5873 (rename_c_file): Likewise. Don't rename syscalls file.
5874 (munge_compile_params): Define null device for DOS based systems.
5875 (process_aux_info_file): Use binary mode if appliable.
5876 (edit_file): Likewise.
5877 * invoke.texi (Running Protoize): Document C++ suffixes used.
5879 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
5880 IS_DIR_SEPARATOR macros.
5881 * collect2.c: Likewise.
5882 * cppinit.c: Likewise.
5883 * dwarf2out.c: Likewise.
5886 * prefix.c: Likewise.
5888 * toplev.c: Likewise.
5889 * system.h: And move to here.
5891 * prefix.c (update_path): Fix typo in variable name.
5893 2000-01-06 Richard Henderson <rth@cygnus.com>
5895 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
5896 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
5897 (count_reg_sets_1, count_reg_references): Likewise.
5898 (flow_loops_level_compute): Start counting actual loop depth at 1.
5899 (flow_loops_find): Likewise.
5900 * local-alloc.c (update_equiv_regs): Likewise.
5901 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
5903 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
5905 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
5906 FIRST_PSEUDO_REGISTER
5907 * dwarf2out.c: Don't include frame.h
5908 * dwarfout.c: Likewise
5909 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
5912 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
5914 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
5917 * i386.c (movsf splitter): Fix typo in my last checkin.
5919 2000-01-05 Nick Clifton <nickc@cygnus.com>
5921 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
5922 own definition of this macro.
5923 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
5924 flag_data_sections or UNIQUE_SECTION_P are true.
5926 * tm.texi (UNIQUE_SECTION): Document that it can be called for
5927 unitialised data decls.
5929 * config/i386/winnt.c (i386_pe_unique_section): Cope with
5930 being called for uninitialised data.
5932 * config/i386/interix.c (i386_pe_unique_section): Cope with
5933 being called for uninitialised data.
5935 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
5936 for uninitialised data.
5938 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
5939 for uninitialised data.
5941 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
5942 for uninitialised data.
5944 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
5945 (UNIQUE_SECTION_P): Always generate a unique section if
5946 flag_data_sections is true.
5947 (UNIQUE_SECTION): Also generate unique sections for
5949 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
5950 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
5953 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5955 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
5958 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5960 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
5961 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
5962 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
5963 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
5964 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
5966 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
5968 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
5970 * c-decl.c (finish_enum): Simplify code to determine minimum and
5971 maximum values of the enum, and calculate the type. Remove check
5972 for FUNCTION_DECLs in the values list, which cannot happen. Replace
5973 the DECL_INITIAL of each enumeration constant with a copy converted
5974 to the enumeration type. When updating variant types, don't bother
5975 updating the type itself.
5977 * c-typeck.c (build_binary_op): Simplify conditional expressions
5978 when weeding out spurious signed-unsigned warnings. Add new
5979 spurious warning category: if the unsigned quantity is an enum
5980 and its maximum value fits in signed_type(result_type). Update
5982 (build_conditional_expr): Warn here if one alternative is signed
5983 and the other is unsigned.
5985 2000-01-05 Nick Clifton <nickc@cygnus.com>
5987 * config/fr30/fr30.h: Remove extraneous comments.
5989 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
5991 * reload1.c (choose_reload_regs): When disabling a reload, also
5992 set reload_spill_index to -1.
5994 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5996 * configure.in (m68*-*-rtemscoff*): New target, formal name for
5998 (m68*-*-rtemself*): New target.
5999 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
6000 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
6001 (sparc*-*-rtemself*): New target.
6002 (sparc*-*-rtems*): Now elf not a.out.
6003 * config/i386/rtems.h: Include config/rtems.h.
6004 * config/i386/rtemself.h: Include config/rtems.h.
6005 * config/i960/rtems.h: Include config/rtems.h.
6006 * config/m68k/rtems.h: Include config/rtems.h.
6007 * config/m68k/rtemself.h: Include config/rtems.h.
6008 * config/mips/rtems64.h: Include config/rtems.h.
6009 * config/pa/rtems.h: Include config/rtems.h.
6010 * config/rs6000/rtems.h: Include config/rtems.h.
6011 * config/sh/rtems.h: Include config/rtems.h.
6012 * config/sh/rtemself.h: Include config/rtems.h.
6013 * config/sparc/rtems.h: Include config/rtems.h.
6014 * config/sparc/rtemself.h: Include config/rtems.h
6016 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
6018 * final.c (shorten_branches): Correctly compute length of
6019 asms without operands.
6021 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
6023 * configure.in: Add pj target.
6024 * configure: Regenerate.
6025 * config/pj: New directory.
6026 * config/pj/lib1funcs.S: New file.
6027 * config/pj/linux.h: New file.
6028 * config/pj/pj.c: New file.
6029 * config/pj/pj.md: New file.
6030 * config/pj/pjl.h: New file.
6031 * config/pj/t-pj: New file.
6032 * config/pj/xm-pj.h: New file
6034 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
6036 * toplev.c (rest_of_compilation): Run shorten-branches before
6039 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6041 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
6042 macros so that they're consistent with their names.
6043 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6044 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6046 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6048 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
6049 modified inadvertently.
6051 2000-01-04 Joel Sherrill <joel@OARcorp.com>
6053 * configure.in (v850*-*-rtems*): New target.
6054 * configure: Regenerate.
6055 * config/v850/rtems.h: New file.
6057 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
6059 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
6060 (__gthread_key_create): Likewise.
6061 (__gthread_key_dtor): Likewise.
6062 (__gthread_once): Fix logic.
6063 (__gthread_key_delete): Cast away constness.
6065 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
6066 * invoke.texi: Document.
6067 * i386/mingw32.h (CPP_SPEC): Use.
6068 (LIBGCC_SPEC): Likewise.
6069 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
6071 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6073 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
6074 (HANDLE_PRAGMA_PACK): Undefine.
6075 (SLOW_UNALIGNED_ACCESS): Define.
6077 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6079 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6080 to default definition.
6081 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
6082 (store_fixed_bit_field): Call macro with word_mode and alignment.
6083 (extract_bit_field): Call macro with relevant mode and alignment.
6084 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6085 to default definition.
6086 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
6088 (move_by_pieces_ninsns): Likewise.
6089 (clear_by_pieces): Likewise.
6090 (emit_push_insn): Likewise.
6091 (store_field): Call macro with relevant mode and alignment.
6092 (expand_expr): Likewise.
6093 (expand_expr_unaligned): Likewise.
6095 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6096 (SLOW_UNALIGNED_ACCESS): Define.
6097 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6098 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6099 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6100 (toc_section): Likewise and .toc pseudo-op.
6101 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6103 (TEXT_SECTION_ASM_OP): Likewise.
6104 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6107 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
6108 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
6109 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
6110 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
6111 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
6113 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
6115 * regclass.c: Revert my Jan 4 change to loop cost computation.
6117 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6119 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
6122 2000-01-04 Stan Cox <scox@cygnus.com>
6124 * haifa-sched.c (build_control_flow): Change unreachable simple
6125 loop test to check if current block has only one predecessor.
6126 (find_rgns): Initialize degree. Use dest as degree index, not src.
6128 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6130 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
6132 * calls.c (expand_call): Likewise for
6133 `old_stack_arg_under_construction'.
6135 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
6137 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
6140 * gcc.c (execute): Likewise for `ut' and `st'.
6142 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
6144 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
6146 * jump.c (jump_optimize_1): Likewise for `temp2'.
6148 * local-alloc.c (block_alloc): Likewise for `r1'.
6150 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
6152 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
6153 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
6155 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
6158 * reload.c (find_reloads): Likewise for `goal_alternative_number'
6159 and `goal_earlyclobber'.
6161 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
6163 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
6165 * stupid.c (stupid_life_analysis): Likewise for `chain'.
6167 * unroll.c (copy_loop_body): Likewise for `copy'.
6169 * varasm.c (output_constructor): Likewise for `byte'.
6171 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6173 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
6174 all FP constants for constant->reg moves.
6175 (ix86_split_to_parts): Try to convert memory address into immediate
6176 when available in the constant pool.
6177 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
6179 (LEGITIMATE_CONSTANT_P): Return 1.
6180 * i386.md (pushsf): New splitter to convert constant pool memory
6181 reference to immediate.
6182 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
6185 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
6187 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
6188 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
6189 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
6190 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
6191 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
6193 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
6195 * ginclude/stdbool.h: Support compilation as C++.
6197 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6199 * fold-const.c (make_range): Don't try to reverse an unbounded range.
6201 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
6203 * regclass.c (regclass): Properly compute loop_cost. Adjust
6206 * regclass.c: Fix minor whitespace problems.
6208 2000-01-03 Anthony Green <green@cygnus.com>
6210 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
6211 Restore the pic register if required.
6213 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
6215 * c-common.c (format_char_info): Update comment.
6216 (check_format_info): Recognize 'z' modifier in the same way 'Z'
6217 was recognized. Emit warning for formats new in ISO C99 only
6218 if flag_isoc9x is not set.
6220 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
6222 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
6224 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6226 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
6227 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
6228 (make_compound_operation): Choose cheaper alternative between
6229 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
6231 * regclass.c (op_costs): Remove global variable.
6232 (record_reg_classes): New parameter "op_costs" and "reg_pref".
6233 (record_operand_costs): Break out from ...
6234 (scan_one_insn): ... here.
6235 (dump_regclass): Make dumps nicer.
6236 (regclass): Dump preferrences choosed and changes done during passes.
6238 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6240 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
6242 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6244 * config/sparc/sparc.c (gen_df_reg): New function.
6245 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
6246 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
6247 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
6248 movtf_cc_reg_sp64+1): Use it.
6250 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6252 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
6255 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
6257 * config/i386/i386.c (ix86_expand_unary_operator): Function
6258 definition made void.
6259 (ix86_expand_binary_operator): Update outdated preceding comment.
6260 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
6263 * config/i386/i386.c (override_options): Fix option-name typo.
6265 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6267 * system.h (CEIL): Define.
6268 * builtins.c (CEIL): Remove.
6269 * expmed.c (CEIL): Likewise.
6270 * expr.c (CEIL): Likewise.
6271 * stor-layout.c (CEIL): Likewise.
6273 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6275 * expr.c (store_constructor_field): Fix typo introduced with last
6278 2000-01-01 Mark Mitchell <mark@codesourcery.com>
6280 * tree.h (BINFO_N_BASETYPES): New macro.
6282 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
6284 * expmed.c (emit_store_flag): Prevent losing a pending stack
6285 adjust the same way we prevent losing queued increments.
6287 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6289 * function.c (update_temp_slot_address): Handle case where sum of
6290 temporary address plus offset in register is a valid address.
6292 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6294 * genrecog.c (change_state) Corrected typo.
6296 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6298 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
6299 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
6300 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
6302 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
6304 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
6305 case, expand GT comparisons correctly. Fix a comment before this
6308 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6310 * dwarfout.c: Include "frame.h"
6311 * dwarf2out.c: Likewise.
6312 * Makefile.in (dwarfout.o): Depend on frame.h
6313 (dwarf2out.o): Likewise.
6315 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
6317 Restore i386 binary compatibility in Dwarf EH info.
6318 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
6319 value of FIRST_PSEUDO_REGISTER.
6320 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
6321 (struct frame_state): Use DWARF_FRAME_REGISTERS.
6322 * dwarfout.c (output_reg_number): Ditto.
6323 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
6324 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
6326 1999-12-29 Bruce Korb <autogen@linuxbox.com>
6328 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
6329 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
6330 (<hack>_RE_CT): not needed
6331 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
6332 rewritten to scan the file text once only
6333 "template<..." test added
6334 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
6335 (is_cxx_header): declaration added
6336 * fixinc/fixtests.c(is_cxx_header): removed
6337 (apply_fix_p_t): removed
6338 (double_slash_test): is_cxx_header is only called once now
6339 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
6340 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
6341 within the templates.
6342 The borken spelling of "broken" was fixed.
6343 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
6344 The default level depends on FIXINC_DEBUG.
6346 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6348 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
6349 Otherwise provide a declaration for atexit.
6350 (init_dummy): Make sure dummy call to atexit is nevertheless
6351 called with correct number of args.
6353 * frame.c: Update comments referring to other files.
6355 * libgcc2.c: Likewise.
6357 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6359 * cse.c (free_element, get_element): Remove unused prototypes.
6361 * fold-const.c (extract_muldiv): Initialize variables `op0' and
6364 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
6367 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
6369 * configure.in,configure: case arm for mn10200-*-* now sets
6370 float_format=i32 so that float.h will correctly claim "double"
6371 to be 32 bits. Ran autoconf to generate configure from .in file.
6373 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
6375 * pa.md (conditional zero): If op1 is a register, force it into
6376 the same register as op0.
6378 1999-12-28 Mark Mitchell <mark@codesourcery.com>
6380 * tree.h (BINFO_BASETYPES): Improve documentation.
6382 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6384 * configure.in (--enable-checking): Use a more portable `for'
6387 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6389 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
6390 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
6392 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
6395 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
6396 Delete descriptions.
6398 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
6399 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
6400 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
6401 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
6402 xm-svr4.h: Remove all instances of sys_siglist handling.
6404 1999-12-27 Jakub Jelinek <jakub@redhat.com>
6406 * config/sparc/sparc.md (cmp_zero_qi,
6407 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
6408 cmp_zero_extendqidi2_andcc_set): New patterns.
6410 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
6412 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
6413 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
6414 (fpgnulib.c, xfgnulib.c): Add rules.
6415 * m68k/t-mot3300-gas: Likewise.
6417 1999-12-27 Ian Lance Taylor <ian@zembu.com>
6419 * configure.in: Avoid [[ by using test and changequote. Add
6420 changequote required by 1999-12-14 change.
6421 * configure: Rebuild.
6423 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
6425 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
6427 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
6429 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
6430 * flow.c (find_use_as_address): Likewise.
6431 * function.c (fixup_var_refs_1): Likewise.
6432 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
6433 * jump.c (invert_exp, redirect_exp): Likewise.
6434 * loop.c (replace_call_address): Likewise.
6435 (count_nonfixed_reads): Likewise.
6436 * rtlanal.c (modified_between_p): Likewise.
6437 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
6438 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
6439 * unroll.c (remap_split_bivs): Likewise.
6441 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6443 * diagnostic.c (v_message_with_decl): Use .* format specifier
6444 instead of building the format specifier width manually.
6446 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
6447 determining whether to provide a prototype. Remove the
6448 sys_siglist clause in the conditional.
6450 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6452 * fold-const.c (operand_equal_p): Use memcmp to compare string
6454 Suggested by D. J. Bernstein
6456 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6458 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
6459 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6461 * config/mips/mips.h (TARGET_64BIT): Likewise.
6462 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
6463 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
6464 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
6465 dsps. Give routines proper names if SI/DI modes are not used.
6466 * longlong.h: Use DWunion instead of DIunion.
6468 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
6470 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
6471 GC_CHECKING, GC_ALWAYS_COLLECT.
6472 * configure.in: Allow --enable-checking with an argument
6473 listing check modes to enable.
6474 * config.in, configure: Rebuilt.
6475 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
6476 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
6477 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
6478 ENABLE_GC_ALWAYS_COLLECT.
6479 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
6481 * tree.h, tree.c: Change ENABLE_CHECKING to
6482 ENABLE_TREE_CHECKING throughout.
6484 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6486 * fold-const.c (fold_truthop): Properly check for FP RHS.
6488 1999-12-24 Mark Mitchell <mark@codesourcery.com>
6490 * toplev.h (note_deferall_of_defined_inline_function): Declare.
6491 * toplev.c (note_deferral_of_defined_inline_function): New
6492 function, split out from ...
6493 (rest_of_compilation): ... here. Use it.
6495 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6497 * expr.c (store_constructor): Don't call clear_storage if size is
6500 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6502 * Makefile.in (toplev.o): Depend on loop.h.
6504 * dwarfout.c: Include tm_p.h.
6506 * emit-rtl.c (restore_emit_status): Mark parameter with
6509 * final.c (final_scan_insn): Likewise.
6511 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
6512 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
6513 flow_depth_first_order_compute, flow_loop_pre_header_find,
6514 flow_loop_tree_node_add, flow_loops_tree_build,
6515 flow_loop_level_compute, flow_loops_level_compute,
6516 flow_loop_outside_edge_p): Add prototypes.
6517 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
6519 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
6520 Mark with ATTRIBUTE_NORETURN.
6522 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
6524 * local-alloc.c (no_conflict_p): Likewise.
6526 * loop.c (insert_bct): Hide definitions of variables with hidden
6528 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
6530 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
6531 with ATTRIBUTE_UNUSED.
6532 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
6533 (reg_scan): Likewise.
6535 * reload.c (find_reloads): Remove unused variables `changed'.
6537 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
6539 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
6540 Remove unused variable `insn'.
6542 * toplev.c: Include loop.h.
6543 (report_file_and_line): Remove unnecessary prototype.
6545 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
6547 * unroll.c (biv_total_increment): Likewise.
6549 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6551 * reload1.c (emit_input_reload_insns): Restore old behaviour
6552 wrt. 'special' reloads.
6554 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
6556 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
6557 hash.h. (cse.c): Don't depend on hashtab.h.
6559 * cse.c: Don't include hashtab.h.
6560 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
6562 * ggc-simple.c: Don't include hash.h.
6564 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
6566 * dwarf2out.c (add_abstract_origin_attribute): Call
6567 gen_abstract_function on our function context.
6569 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
6571 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
6573 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6575 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
6578 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6580 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
6581 constraints to "a!r".
6583 1999-12-21 Mark Mitchell <mark@codesourcery.com>
6585 * Makefile.in (calls.o): Depend on function.h.
6586 (alias.o): Likewise.
6588 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
6590 * reload1.c (emit_reload_insns): Break out code and variables into...
6591 (input_reload_insns, other_input_address_reload_insns,
6592 other_input_reload_insns, input_address_reload_insns,
6593 inpaddr_address_reload_insns, output_reload_insns,
6594 output_address_reload_insns, outaddr_address_reload_insns,
6595 operand_reload_insns, other_operand_reload_insns,
6596 other_output_reload_insns): ... new static variables, and...
6597 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
6598 do_output_reload): ... new functions.
6600 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6602 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
6604 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6606 * md.texi: Add c4x constraints documentation.
6608 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6610 * config/i386/dgux.c (struct option): Rename to
6611 lang_independent_option.
6612 (struct m_options): Add description field.
6613 (output_options): Rename option type, add sep declaration, output
6614 ix86_cpu_string and ix86_arch_string only if set.
6615 (output_file_start): Rename option type.
6617 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
6619 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
6621 (libgcc2.a): Similarly.
6623 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
6625 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
6626 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
6627 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
6629 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
6631 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
6632 Remove redundant initialization of "frexpon" and "expon".
6634 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6636 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
6638 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
6639 (store_constructor_field, expand_expr): Pass new arg.
6641 1999-12-20 Mark Mitchell <mark@codesourcery.com>
6643 * Makefile.in (explow.o): Depend on function.h.
6645 * stor-layout.c (set_sizetype): Fix typo.
6647 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
6649 * function.c (cfun): Renamed from current_function. All users
6651 * function.h (cfun): Rename declaration as well.
6653 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
6654 to be of type regset_head, not regset. All users changed by adding
6656 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
6658 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6660 * config/c4x/rtems.h: New file.
6662 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
6664 * reload1.c (spill_failure): Take class of failed reload as argument
6665 and print it. Caller changed.
6667 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6669 * rs6000.h (SUBTARGET_DEFAULT): New macro.
6670 (TARGET_SWITCHES): Allow subtargets to default switches.
6671 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
6673 1999-12-18 Mark Mitchell <mark@codesourcery.com>
6675 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
6678 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
6680 * cccp.c (main): Define __STDC_VERSION__ as necessary.
6681 * cppinit.c (cpp_handle_option): Likewise.
6683 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
6684 determine when to define.
6686 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
6688 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
6689 cmove with mismatched test and data modes.
6691 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
6693 * c-typeck.c (c_expand_start_case): Don't warn for long switch
6696 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6698 * alias.c: Minor reformatting.
6701 * stor-layout.c: Likewise.
6702 * fold-const.c: Likewise.
6703 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
6704 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
6706 (size_int_wide): Cache nodes even if garbage collecting.
6707 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
6708 of SAVE_EXPR has no side effects.
6709 * cse.c: Move a comment.
6710 * tree.c: Minor reformatting.
6711 (int_size_in_bytes): Return -1 if constant overflows.
6713 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6715 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
6717 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
6719 * objc/objc-parse.c: Regenerate. This file must be rebuilt
6720 after any change to c-parse.in, even if objc-parse.y didn't
6723 1999-12-18 David S. Miller <davem@redhat.com>
6725 * toplev.c (rest_of_compilation): Restore BLOCK tree
6726 reconstruction and branch shortening changes lost in
6727 December 18th change.
6729 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
6731 * config/arm/linux-elf.h: Change all instances of
6732 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
6733 * config/arm/uclinux-elf.h: Likewise.
6735 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
6737 * toplev.c (notice, vmessage, v_message_with_file_and_line,
6738 v_message_with_decl, file_and_line_for_asm,
6739 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
6740 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
6741 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
6742 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
6743 pfatal_with_name, fatal_io_error, need_error_newline,
6744 last_error_function, last_error_tick, announce_function,
6745 default_print_error_function, print_error_function,
6746 report_error_function, fnotice, error_with_file_and_line,
6747 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
6748 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
6749 warning_with_decl, warning_for_asm, warning, pedwarn,
6750 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
6752 (compile_file): Use fnotice instead of notice. Adjust call.
6754 * diagnostic.c: New file.
6756 * Makefile.in (OBJS): Include diagnostic.o
6757 (diagnostic.o): Define dependence.
6759 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6761 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
6764 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6766 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
6768 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
6770 * fixtests.c (is_cxx_header): New fn, split out of
6772 (else_endif_label): Allow "#endif // comment" in C++ headers,
6773 as determined by is_cxx_header.
6774 * fixfixes.c (else_endif_label_fix): Update comment.
6775 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
6777 * genfixes: Correct double thinko in commandline parsing.
6778 * hackshell.tpl: Generate correct sh syntax for bypass
6781 * inclhack.def (all): Whenever an inserted preprocessor
6782 conditional is split over multiple lines, use double
6783 backslashes in this file so the fixed header will be readable.
6785 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
6786 and add bypass entry for correct version of this header.
6787 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
6788 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
6790 (hpux8_bogus_inlines): New fix, split from...
6791 (ultrix_atof_param) ... here.
6792 (math_expression): Add bypass entry keyed to glibc comment
6793 indicating the problem has been dealt with; disable
6794 unnecessary sed operations; update commentary.
6795 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
6796 add select and bypass entries, simplify shell operation.
6797 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
6799 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
6800 ultrix_atof_param): Add select entry.
6801 (stdio_va_list, sunos_mather_decl): Add bypass entry.
6802 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
6803 comments with the fixes they describe.
6805 * c-parse.in (string action): Do not warn about ANSI string
6806 concatenation in system headers. Affects C parser only.
6807 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
6809 1999-12-16 Jakub Jelinek <jakub@redhat.com>
6811 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
6812 compiling libgcc2 the macro depends always on arch cpp defines.
6814 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
6816 * loop.c (insert_loop_mem): Don't record MEMs from inside
6819 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
6821 * regclass.c (regclass): Do not use flowgraph when not optimizing.
6823 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
6824 notes too, create one when replacement failed, attempt to simplify
6826 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
6829 1999-12-16 Mark Mitchell <mark@codesourcery.com>
6831 * crtstuff.c (__dso_handle): Declare.
6832 (__cxa_finalize): Likewise.
6833 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
6836 * invoke.texi: Document -fuse-cxa-atexit.
6838 * tree.h (ptr_type_node): Document.
6839 (const_ptr_type_node): Likewise.
6841 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6843 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
6844 (optimize_reg_copy_2): Likewise.
6845 (optimize_reg_copy_3): Likewise.
6846 (fixup_match_2): Likewise.
6847 (regmove_optimize): Likewise.
6848 (fixup_match_1): Liekwise.
6850 * i386.md (HI to SImode promoting splitters): Rewrite.
6851 (pushsf mem peep2): New.
6852 (testhi to andhi peep2): Remove.
6853 * i386.h (x86_promote_QImode): New.
6854 (TARGET_PROMOTE_QImode): New.
6855 (PREDICATE_CODES): Add promotable_binary_operator.
6856 * i386.c (x86_promote_QImode0: New.
6857 (promotable_binary_operator): New.
6858 * i386-protos.h (promotable_binary_operator): New.
6860 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
6862 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
6864 1999-12-16 Mark Mitchell <mark@codesourcery.com>
6866 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
6867 * function.c (insert_block_after_note): Remove.
6868 (retrofit_block): Likewise.
6869 (identify_blocks): Fix indentation.
6870 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
6871 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
6872 * function.h (insert_block_after_note): Remove prototype.
6873 (retrofit_block): Likewise.
6874 * integrate.c (expand_inline_function): Don't call
6875 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
6876 just expand_start_bindings. Use the block_map to remap old
6877 NOTE_BLOCKs to new ones.
6878 (integrate_decl_tree): Keep track of remapped blocks.
6879 * integrate.h (struct inline_remap): Add block_map.
6880 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
6881 NOTE_BLOCK on the notes.
6882 (expand_start_bindings): Rename to ...
6883 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
6884 (expand_end_bindings): Set NOTE_BLOCK.
6885 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
6886 reconstruct the BLOCK tree.
6887 * tree.h (expand_start_bindings): Macroize. Call ...
6888 (expand_start_bindings_and_block): New function.
6890 1999-12-16 Jakub Jelinek <jakub@redhat.com>
6892 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
6893 to match the format.
6895 1999-12-16 David S. Miller <davem@redhat.com>
6897 * expr.c (emit_move_insn_1): Only emit clobbers if one of
6898 the outputs is a SUBREG.
6899 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
6902 * config/sparc/sparc.c (epilogue_renumber): Add default case
6905 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6907 * toplev.c (rest_of_compilation): Run branch shortening after
6910 * regclass.c (loop_depth): Remove
6911 (scan_one_insn): Do not handle LOOP_NOTE insns.
6912 (regclass): Go through basic blocks and set loop_cost
6914 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
6916 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
6918 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6920 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
6921 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
6922 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
6924 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
6926 * loop.c (insert_loop_mem): Ignore memory clobbers.
6928 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
6931 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
6933 * profile.c: Remove redundant #include "output.h".
6935 * h8300.md (HImode preinc peephole): Fix typo.
6937 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
6939 * function.c (retrofit_block): Abort if we don't find a suitable insn.
6940 (insert_block_after_note): Abort if we don't have a previous block.
6941 Remove FN parameter.
6942 * function.h: Adjust.
6944 1999-12-15 Mark Mitchell <mark@codesourcery.com>
6946 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
6947 argument more than once.
6949 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
6951 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
6953 1999-12-15 Jakub Jelinek <jakub@redhat.com>
6955 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
6957 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6959 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
6960 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
6961 update stack_alignment_needed.
6962 (prepare_function_start): Initialize stack_alignment_needed
6963 * function.h (struct function): Add field stack_alignment_needed.
6965 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6967 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
6968 Handle live_throughout / dead_or_set instead of live_before /
6970 (save_call_clobbered_regs): Get register livenessinformation from
6971 chain->live_throughout.
6972 (add_stored_regs): New function.
6973 (insert_restore, insert_save): Add restored / saved registers to
6975 * global.c (reg_dies): New parameter chain.
6976 (reg_becomes_live): Third parameter is regs_set now.
6977 Changed all callers.
6978 (reg_dies): New parameter chain. Changed all callers.
6979 (build_insn_chain): Set live_throughout instead of
6980 live_before / live_after.
6981 * reload.h (struct insn_chain): Replace members live_before /
6982 live_after with live_throughout / dead_or_set.
6983 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
6984 instead of live_before / live_after.
6985 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
6986 (order_regs_for_reload, find_reg, finish_spills): Likewise.
6987 (choose_reload_regs_init): Likewise.
6988 * stupid.c (current_chain, find_clobbered_regs): Delete.
6989 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
6990 instead of chain->live_before / chain->live_after.
6991 (mark_hard_ref): New function.
6992 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
6994 1999-12-15 David S. Miller <davem@redhat.com>
6996 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
6998 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7000 * flow.c (calculate_loop_depth): Make global, remove prototype,
7001 rewrite to use new loop infrastructure.
7002 (find_basic_block): Remove calculate_loop_depth call.
7003 * toplev.c (rest_of_compilation): Call find_basic_block.
7004 * output.h (calculate_loop_depth): Declare.
7006 * flow.c (dump_flow_info): Dump loop_depth.
7007 (flow_loops_nodes_find): Increase loop_depth for basic block in the
7009 (flow_loops_find): Initialize the loop_depth for each basic block.
7011 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7013 * tree.c (decl_function_context): Handle virtual functions.
7015 * tlink.c (scan_linker_output): Don't look in demangled name when
7016 looking for linker output keywords.
7018 * dwarfout.c (output_type): We can defer namespace-scope classes.
7020 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
7022 * regclass.c (record_reg_classes): Update comment for merging
7023 register class preferences in reg->reg copies. Tighten conditions
7024 for merging register class preferences in reg->reg copies.
7026 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
7028 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
7030 1999-12-14 Geoff Keating <geoffk@cygnus.com>
7032 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
7033 (INIT_SECTION_ASM_OP): Delete.
7034 (FINI_SECTION_ASM_OP): Delete.
7035 (STARTFILE_SPEC): Define to hold just crtbegin.o.
7037 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
7039 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
7040 the abstract origin wasn't emitted.
7042 * dwarf2out.c (class_scope_p): New fn.
7043 (gen_subprogram_die): Use it.
7044 (gen_variable_die): Use it. Tweak logic.
7045 (gen_struct_or_union_type_die): Check context_die to determine
7046 if we're function-local.
7047 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
7049 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7051 * loop.c (check_dbra_loop): Can't reverse a biv that has
7054 1999-12-14 Nick Clifton <nickc@cygnus.com>
7056 * config/arm/arm.c: Add support for -mcpu=arm720 command line
7059 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7061 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
7062 for givs made from biv increments.
7064 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
7066 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
7067 * alpha.c (override_options): Recognize -mcpu=ev67.
7068 * alpha.h (CPP_CPU_EV67_SPEC): New.
7069 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
7070 (EXTRA_SPECS): Update.
7072 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
7074 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
7075 appropriate for -lang-c89 and -std=*.
7076 * cppinit.c (cpp_handle_option): Likewise.
7077 (new_pending_define): New, split out from cpp_handle_option.
7078 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
7079 or enable trigraphs for -ansi/-std=*.
7081 * ginclude/stdarg.h (__va_copy): New.
7082 (va_copy): Don't define for C89.
7084 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
7086 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
7087 for long long multiply-accumulate.
7089 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7091 * regclass.c (scan_one_insn): Set loop_cost to 1 when
7092 optimizing for size.
7094 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7096 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
7097 if something changed. Back out that part of yesterday's changes.
7099 * loop.c (loop_max_reg): New static variable.
7100 (loop_optimize): Initialize it. Eliminate one unnecessary call to
7102 (scan_loop): Call reg_scan_update whenever we may have added new
7103 registers, and update loop_max_reg.
7105 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7107 * regclass.c (record_reg_classes): Do not do the copying preferrencing
7108 when source does not die.
7110 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
7112 1999-12-14 Jakub Jelinek <jakub@redhat.com>
7114 * config/sparc/linux64.h (TARGET_LIVE_G0,
7115 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
7117 * config/sparc/linux.h (TARGET_LIVE_G0,
7118 TARGET_BROKEN_SAVERESTORE): Likewise.
7119 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
7120 TARGET_BROKEN_SAVERESTORE): Likewise.
7122 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
7123 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
7125 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
7126 as sparc64 block profiling register.
7127 * config/sparc/sparc.c (sparc_override_options): Allow block
7128 profiling with -m32.
7129 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
7131 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
7132 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
7133 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
7135 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
7137 * config/sparc/sparc.h: Likewise.
7138 * config/sparc/xm-sysv4-64.h: Likewise.
7139 * config/float-sparc.h: Likewise.
7140 * glimits.h: Likewise.
7141 * longlong.h: Likewise.
7143 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
7144 (ASM_IDENTIFY_GCC): Remove.
7146 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7148 * combine.c (combine_simplify_rtx): Don't make shared rtl.
7149 (simplify_logical): Likewise.
7151 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7153 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
7154 * cppfiles.c (INO_T_EQ): Likewise.
7156 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7158 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
7159 * i386/mingw32.h (LIB_SPEC): Likewise.
7160 (STARTFILE_SPEC): Likewise.
7161 * i386/uwin.h (LIB_SPEC): Likewise.
7162 (STARTFILE_SPEC): Likewise.
7164 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
7165 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
7167 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
7169 * combine.c (combine_simplify_rtx): Fix order of checks for
7170 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
7172 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
7174 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
7175 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
7177 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7179 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
7181 * regclass.c (inv_reg_alloc_order): New array.
7182 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
7184 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
7185 counted_for_groups, counted_for_nongroups. Add fields rld and
7187 * reload.c (push_secondary_reload): Don't set nongroup field of
7189 (push_reload): Likewise.
7190 (find_reloads): Delete code to compute nongroup fields.
7191 * reload1.c (reload_insn_firstobj): New static variable.
7192 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
7194 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
7195 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
7196 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
7198 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
7200 (struct hard_reg_n_uses): Deleted.
7201 (potential_reload_regs): Deleted.
7202 (init_reload): Initialize spilled_pseudos and pseudos_counted.
7203 (reload): Don't try to allocate reload registers if we already know
7204 we have to make another pass. Call select_reload_regs. Free memory
7205 starting with reload_firstobj when starting another pass.
7206 Don't allocate spilled_pseudos.
7207 (calculate_needs_all_insns): Call copy_reloads for an insn that
7208 needs reloads; don't call calculate_needs.
7209 (spill_cost): New static array.
7210 (used_spill_regs_local): New static variable.
7211 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
7212 to compute potential_reload_regs.
7213 (find_reload_regs): Completely rewritten to use find_reg.
7214 (allocate_reload_reg): Don't test counted_for_groups or
7215 counted_for_nongroups. Lose NOERROR arg and code to give an error;
7217 (choose_reload_regs): Add fallback code that uses the existing
7218 register allocation from find_reload_regs.
7220 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
7222 * flow.c (create_edge_list): Cast xmalloc return value.
7224 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
7226 * doprnt.c: Remove incorrect comment closure.
7228 * cse.c: Fix a few minor whitespace goofs.
7230 1999-12-13 Don Bowman <don@pixstream.com>
7232 * mips/vxworks.h: Fix problem with comment termination.
7233 (EXTRA_SECTIONS): Add in_sbss.
7234 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
7236 1999-12-12 David S. Miller <davem@redhat.com>
7238 * cse.c (struct cse_reg_info): Add hash_next member,
7239 reorder rest of struct for better packing on 64-bit
7241 (cse_reg_info_tree): Kill.
7242 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
7243 REGHASH_FN): New custom pow2 hash mechanism.
7245 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
7246 use a pow2 hash table.
7247 (get_cse_reg_info): Rework to use new REGHASH.
7248 (new_basic_block): Likewise, use HASH_SIZE, and inline
7250 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
7251 and inline free_element call.
7252 (lookup_as_function, insert, flush_hash_table, invalidate,
7253 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
7254 invalidate_for_call, use_related_value, find_comparison_args,
7255 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
7256 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
7259 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
7261 * cse.c (cse_basic_block): Free qty_table consistently.
7263 1999-12-12 David S. Miller <davem@redhat.com>
7264 Jakub Jelinek <jakub@redhat.com>
7266 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
7267 SUBREGs by hand, gen the appropriate hard reg directly.
7268 (movtf reg/mem split): Likewise and alter_subreg on destination
7270 (movtf mem/reg split): Similarly.
7271 (movdf_cc_sp64): Rename from hidden pattern.
7272 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
7273 (movtf_cc_sp64, following split): New pattern and splitter.
7274 (movdf_cc_reg_sp64): Rename from hidden pattern.
7275 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
7277 (movtf_cc_reg_sp64, following split): New pattern and splitter.
7279 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
7281 * loop.c (load_mems): Don't hoist written floating point mem
7284 1999-12-12 Mark Mitchell <mark@codesourcery.com>
7286 * except.h (struct eh_queue): Add `next' pointer.
7287 (struct eh_status): Make x_ehqueue a pointer.
7288 (push_ehqueue): Declare.
7289 (pop_ehqueue): Likewise.
7290 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
7292 (expand_fixup_region_end): Likewise.
7293 (expand_leftover_cleanups): Likewise.
7294 (push_ehqueue): Define.
7295 (pop_ehqueue): Likewise.
7296 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
7297 than doing it inline.
7298 (expand_start_all_catch): Adjust now that ehqueue is a
7300 (mark_eh_queue): Mark all level of the queue.
7301 (mark_eh_status): Adjust now that ehqueue is a
7303 (init_eh_for_function): Allocate ehqueue.
7304 (free_eh_status): Free it.
7305 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
7306 expansion for a fixup.
7308 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7310 * gthr-single.h (__gthread_active_p): Add prototype arguments.
7312 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
7313 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
7314 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
7315 function_ptr, getpagesize, __enable_execute_stack,
7316 __enable_execute_stack, __clear_insn_cache,
7317 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
7318 _cleanup, _exit, __default_terminate, __terminate_func,
7319 __terminate, __empty, __throw, new_eh_context,
7320 eh_context_initialize, eh_context_static, eh_context_specific,
7321 get_eh_context, __get_eh_context, __get_eh_info,
7322 init_reg_size_table, eh_threads_initialize,
7323 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
7324 __unwinding_cleanup, throw_helper, __throw, __rethrow,
7325 __pure_virtual): Add prototype arguments.
7326 (__bb_exit_func): Cast a sizeof to long when comparing against one.
7327 Cast a signed value to unsigned long when comparing against one.
7328 (new_eh_context): Wrap in _GTHREADS macro.
7329 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
7331 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
7332 (throw_helper): Initialize variables `handler_p' and `pc_p'.
7334 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7336 * combine.c (record_promoted_value): Remove unused variable
7339 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
7341 * global.c (record_conflicts): Likewise for `j'.
7343 * genoutput.c (output_insn_data): Don't unnecessarily cast away
7346 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7348 * i386-protos.h (output_387_binary_op, output_fix_trunc,
7349 output_fp_compare): Constify a char*.
7351 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
7353 (override_options, ix86_comp_type_attributes, print_operand,
7354 output_387_binary_op, output_fix_trunc, output_fp_compare):
7356 (ix86_sched_reorder): Mark parameter `clock_var' with
7359 * i386.h (DEBUG_PRINT_REG): Constify a char*.
7361 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
7363 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
7364 operand, for use in the Java front-end.
7366 1999-12-10 Ben Collins <bcollins@debian.org>
7368 * configure.in: Fix typo for "-64" in 64bit as check.
7369 * configure: Rebuilt.
7371 1999-12-10 Jakub Jelinek <jakub@redhat.com>
7373 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
7376 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7378 * c-parse.in (string): With -Wtraditional, warn if ANSI string
7379 concatenation is utilized.
7381 * invoke.texi (-Wtraditional): Document it.
7383 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7385 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
7386 Cast a ptrdiff_t to long and pass it to printf with %ld.
7388 1999-12-10 Geoff Keating <geoffk@cygnus.com>
7390 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
7391 68881, we have no 68881 registers at all.
7392 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
7393 value in a 68881 register if it is available.
7395 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
7397 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
7398 for long long multiply-accumulate.
7400 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7402 * loop.c (insert_loop_mem): Undo last change.
7404 1999-12-10 David S. Miller <davem@redhat.com>
7406 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
7408 * config/sparc/sparc-protos.h: Add them.
7409 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
7410 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
7411 constraints which use those helpers.
7412 (EXTRA_CONSTRAINT): Use this new macro.
7413 * md.texi: Update sparc target constraints documentation.
7414 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
7415 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
7416 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
7417 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
7418 (movsf high/lo_sum split): Rework for new patterns.
7419 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
7421 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
7423 * c-common.c (c_common_nodes_and_builtins):
7424 Create __builtin_ptrdiff_t and __builtin_size_t.
7426 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
7428 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
7430 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7432 * regclass.c (globalize_reg): Re-instate test that allows
7433 fixed registers to be declared as a variable even after functions
7436 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7438 * i386.md (cpu attribute): Add "athlon".
7439 (athlon_decode): New attribute.
7440 (Athlon scheduling units definitions): New.
7441 (fcmp and shld patterns): Set athlon_decode to "vector".
7442 * i386.c (athlon_cost): New.
7444 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
7445 x86_use_sahf): Set for Athlon.
7446 (x86_use_fiop): Unset for Athlon.
7447 (override_options): Define Athlon alignments and "athlon" name.
7448 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
7449 * i386.h (TARGET_ATHLON): New.
7450 (enum processor_type): Add PROCESSOR_ATHLON.
7451 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
7453 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
7455 1999-12-09 Andreas Jaeger <aj@suse.de>
7457 * loop.c (record_biv): Declare parameter as int.
7459 * config/i386/i386-protos.h: Declare long_memory_operand.
7461 1999-12-09 Mark Mitchell <mark@codesourcery.com>
7463 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
7464 EXPR_WITH_FILE_LOCATION.
7466 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7468 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
7471 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
7473 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
7476 1999-12-09 Jakub Jelinek <jakub@redhat.com>
7478 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
7479 default on linux64 again.
7480 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
7481 models for multilibing.
7482 * genmultilib: Accept | as alternative separator within a set in
7485 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
7487 * calls.c (precompute_arguments): Make sure initial_value contains
7488 value pseudo which CSE expects.
7489 * cse.c (struct set): New entry orig_src.
7490 (cse_insn): Set it early on entry, use it for libcall EQUIV note
7493 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
7495 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
7497 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7499 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
7501 1999-12-08 Jakub Jelinek <jakub@redhat.com>
7503 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
7504 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
7506 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
7509 * longlong.h: Merge in changes from glibc.
7510 Also don't clobber %g2 register in 32bit SPARC assembly, so that
7511 -mno-app-regs libgcc can be compiled.
7512 * libgcc2.c: Add defines so that the updated longlong.h
7513 can be used in libgcc2.a. Also, make sure on most architectures
7514 (at least on all which have optimized code in longlong.h defined
7515 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
7517 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7519 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
7520 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
7521 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
7523 * configure: Rebuilt.
7525 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
7527 * alpha.c (secondary_reload_class): For !BWX, sub-simode
7528 outputs require a register.
7530 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
7532 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
7533 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
7534 functions like dptoul will be resolved.
7535 (libgcc2.a): Make sure that the object files from DPBIT are named
7536 differently (prefix `_dp') from those that would be coming from
7539 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
7541 * configure.in: When target is sparc* and tm_file contains 64,
7542 test for 64bit support in assembler. If not supported, remove
7543 sparc/t-sol2-64 from target-dependent Makefile fragments.
7544 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
7545 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
7546 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
7547 * acconfig.h (AS_SPARC64_FLAG): Added.
7548 * configure, config.in: Rebuilt.
7549 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
7550 support. Use AS_SPARC64_FLAG.
7552 1999-12-07 Jakub Jelinek <jakub@redhat.com>
7554 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
7555 suitable for holding OFmode values so that gcc works with complex
7557 (hard_64bit_mode_classes): Likewise.
7559 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
7560 so that it is actually matched.
7561 (sethi_di_medlow): Likewise.
7563 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
7564 as legitimate constant if -mvis.
7565 * config/sparc/sparc.md (movtf): Likewise.
7566 (clear_sf): Use const_double_operand.
7567 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
7569 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
7570 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
7571 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
7572 routines, _Qp_* cannot be handled like that now.
7573 (INIT_TARGET_OPTABS): Likewise.
7574 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
7575 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
7576 sparc_emit_float_lib_cmp if ARCH64 and soft float.
7577 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
7578 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
7579 divtf3, sqrttf3): New expanders.
7580 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
7581 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
7582 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
7585 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
7586 * configure: Rebuilt.
7587 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
7588 -mcpu is given and we're doing 64bit compiles.
7590 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
7592 * loop.h (struct induction): Add multi_insn_incr.
7593 * loop.c (basic_induction_var): New multi_insn_incr argument.
7594 Set it if we search back through previous insns for the biv.
7595 (record_biv): New multi_insn_incr argument; fill in struct induction.
7596 (strength_reduce): Discard an iv with multiple bivs, any of
7597 which require multiple insns to increment.
7599 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7601 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
7604 1999-12-06 David S. Miller <davem@redhat.com>
7606 * combine.c (check_promoted_subreg): Do not conditionalize this upon
7607 PROMOTE_FUNCTION_RETURN.
7609 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
7611 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
7612 and handle REG_UNUSED note on insn.
7614 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
7615 inner_mask instead of mask.
7617 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
7619 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
7620 zero if there was an error.
7622 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7624 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
7627 * longlong.h: Fix clobbers in SPARC asm statements.
7629 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
7630 valid sethi operations when TARGET_ARCH64.
7632 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
7633 always use move_by_pieces to avoid infinite recursion.
7634 (restore_fixed_argument_area): Likewise.
7636 * combine.c (check_promoted_subreg, record_promoted_value): New
7638 (combine_instructions): Use them to retain nonzero and sign bit
7639 information after SUBREGs are eliminated by optimizations in
7640 this pass if PROMOTE_FUNCTION_RETURN.
7642 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
7643 .register declaration. Don't use variables with __ prefixes.
7645 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7647 * fold-const.c (optimize_bit_field_compare): Only use one mode
7648 for both RHS and LHS in non-constant case.
7650 1999-12-06 Nathan Sidwell <nathan@acm.org>
7652 * frame.c (start_fde_sort): Only allocate erratic array, if
7653 linear one was allocated. Return allocated flag.
7654 (fde_insert): Only insert, if there's a valid array.
7655 (fde_end_sort): Split, sort and merge if linear and erratic
7656 arrays exist, else just sort linear one.
7657 (search_fdes): New function. Linear search through original fde
7659 (frame_init): Permit multiple initializations. Cope with
7661 (find_fde): Fallback on linear search, if failed to sort array.
7662 (__deregister_frame_info): Only free sorted array, if we
7665 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7667 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
7669 1999-12-05 Jakub Jelinek <jakub@redhat.com>
7671 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
7673 1999-12-05 Mark Mitchell <mark@codesourcery.com>
7675 * tree.h (special_function_p): Declare.
7676 * calls.c (special_function_p): Make it global. Don't take `name'
7677 as a parameter. Fix typo in 1999-11-28 change.
7678 (expand_cal): Adjust.
7680 1999-12-04 Mark Mitchell <mark@codesourcery.com>
7682 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
7683 * tree.h (EXPR_WFL_FILENAME): Define in terms of
7684 EXPR_WFL_FILENAME_NODE.
7685 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
7687 * print-tree.c (print_note): Print TREE_PRIVATE and
7690 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
7691 the original die cannot be found.
7693 * varray.h (varray_head_tag): Add elements_used.
7694 (VARRAY_PUSH): New macro.
7695 (VARRAY_POP): Likewise.
7696 (VARRAY_TOP): Likewise.
7697 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
7699 * varray.c (varray_init): Initialize elements_used.
7700 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
7701 (INTEGRATE_H): New variable.
7702 (integrate.o): Depend on INTEGRATE_H.
7703 (unroll.o): Likewise.
7705 * function.h (insert_block_after_note): Declare.
7706 * function.c (insert_block_after_note): Split out from ...
7707 (retrofit_block): ... here.
7709 * stmt.c (expand_fixup): Fix typo in comment.
7711 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7713 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
7714 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
7715 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
7716 (regmove_optimize, fixup_match_1): Likewise.
7718 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7720 * flow.c (flow_loops_dump): Add missing argument when calling
7723 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
7724 Greg McGary <gkm@gnu.org>
7726 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
7727 (init_attributes): Add A_NO_LIMIT_STACK.
7728 (decl_attributes): Handle A_NO_LIMIT_STACK.
7729 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
7730 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
7731 Handle stack bounds checking.
7732 * flags.h (flag_stack_check): Use the word 'probe' rather than
7733 'check', because the flag doesn't actually cause any checking to
7735 * function.c (expand_function_start): Set
7736 current_function_limit_stack.
7737 * function.h (struct function): Add limit_stack.
7738 (current_function_limit_stack): Define.
7739 * invoke.texi (Code Gen Options): Document new options.
7740 * rtl.h: Declare stack_limit_rtx.
7741 * toplev.c (stack_limit_rtx): New variable.
7742 (decode_f_option): Handle new options -fstack-limit-register=REG,
7743 -fstack-limit-symbol=IDENT, -fno-stack-limit.
7744 (main): Add stack_limit_rtx as GC root.
7745 * tree.h (DECL_NO_LIMIT_STACK): New macro.
7746 (struct tree_decl): New member no_limit_stack.
7748 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
7750 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
7751 (conditional_trap+1): Get new mnemonic correct.
7752 (conditional_trap+2): New pattern for DImode traps.
7754 * config/m68k/m68k.c (output_function_prologue): Handle
7756 * config/m68k/m68k.md (trap): New insn.
7757 (conditional_trap): New insn.
7758 * md.texi (Standard Names): Document `trap' and
7760 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
7761 so a cc0 setter doesn't get emitted at some random place in the
7764 * config/i960/i960.md (trap): New insn.
7765 (conditional_trap): New expander.
7766 (conditional_trap+1, conditional_trap+2): New insns for signed
7768 * config/i960/i960.c (i960_function_prologue): Use
7769 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
7771 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
7772 Geoffrey Keating <geoffk@cygnus.com>
7774 * flags.h (warn_padded, warn_packed): Add global var decls.
7775 * toplev.c (warn_padded, warn_packed): Add global var defns.
7776 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
7777 * stor-layout.c (layout_record): Add local variable `type'
7778 to hold often-used TREE_TYPE (field). Add local variable
7779 `unpacked_align' to hold alignment that would be in force
7780 if no `packed' attribute were present. Warn if `packed' attribute
7781 is unnecessary, or even harmful. Warn when gcc inserts padding
7782 to satisfy alignment requirements of members. Use NULL_TREE
7783 when checking whether var_size is set.
7784 * invoke.texi: Document new flags.
7786 1999-12-03 Nathan Sidwell <nathan@acm.org>
7788 * frame.c (fde_split): Reimplement to avoid variable sized array.
7790 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7792 * combine.c (try_combine): Before fixing up LOG_LINKS for the
7793 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
7795 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
7797 * invoke.texi: Document the mips option -mno-crt0
7799 1999-12-02 Mike Karr <mkarr@mathworks.com>
7801 * cccp.c (argdata): Added free_ptr member.
7802 (macroexpand): Initialize free_ptr of each argument. When an
7803 argument's buffers are freed, if the argument's free_ptr corresponds
7804 to a buffer on the input stack, then return the free_ptr to that stack
7805 frame, otherwise, free it.
7806 (macarg): If an argument begins and ends on the same input stack level,
7807 then transfer the free_ptr of that buffer to the argument in case
7808 the stack is popped during the processing of a subsequent argument.
7810 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
7812 * loop.c (note_reg_stored): New function.
7813 (struct note_reg_stored_arg): New structure.
7814 (try_copy_prop): Change to be more conservative; only replace within
7815 one extended basic block and stop replacing if a store to the
7816 replacement reg is seen.
7818 1999-12-02 Nick Clifton <nickc@cygnus.com>
7820 * config/fp-bit.c: Initialise all fields of the NAN
7823 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
7826 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
7828 * i386.md (extend?f?f2): Force the input into a register, not
7831 1999-12-01 Jakub Jelinek <jakub@redhat.com>
7833 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
7835 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
7836 alternative because setting up 64bit constant is usually costly,
7837 especially when reload is in progress or completed.
7838 (movdf_const_intreg_sp64): Likewise.
7839 (movdf_const_intreg split): Fix building up constants when
7840 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
7842 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
7844 * combine.c (if_then_else_cond): Use const_true_rtx instead of
7845 const1_rtx for return values in EQ/NE comparison against (const_int 0)
7848 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
7849 (asm_file_start): Emit .am33 into assembly file when compiling for
7851 (print_operand_address): Handle POST_INC addresses.
7852 (can_use_return_insn, initial_offset): Check AM33 registers too.
7853 (expand_prologue): Check & save AM33 registers too.
7854 (expand_epilogue): Similarly.
7855 (secondary_reload_class): Handle AM33 specific secondary reloads.
7856 (output_tst): Emit efficient code for the AM33 too.
7857 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
7858 (TARGET_SWITCHES): Add -mam33 switch.
7859 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
7860 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
7861 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
7862 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
7863 (enum reg_class, REG_CLASS_NAMES): Likewise.
7864 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
7865 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
7866 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
7867 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
7868 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
7869 (HAVE_POST_INCREMENT): Define.
7870 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
7871 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
7872 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
7873 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
7874 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
7875 (zero_extend to SI from QI/HI): Likewise.
7876 (sign_extend to SI from QI/HI): Likewise.
7877 (mulsidi3, umulsidi3): New patterns for the AM33.
7878 (tstsi with zero extension from QI/HI): Add AM33 variants.
7879 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
7880 (return_internal_regs, store_movm): Handle new AM33 registers.
7881 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
7882 (LIBGCC, INSTALL_LIBGCC): Likewise.
7883 * invoke.texi: Document new flags.
7885 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
7887 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
7888 (addsi3_carry): Likewise.
7889 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
7890 (sbbsi3_carry): Likewise.
7891 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
7893 (test?i_1): Ensure that only one operand is memory.
7894 (conditional move patterns): likewise.
7895 (shift and rotate patterns): Rewrite to expander, add
7896 "binary_operator_ok" to the condition.
7898 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
7899 * i386.h (procesor_costs): Add movzbl_load field.
7900 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
7901 non-Q registers, accept DImode registers anywhere.
7903 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
7904 * i386.c (*_cost): Set value for movxbl_load field.
7906 * (addsi): New add to lea splitter.
7908 (lea to add/shift peep2): New.
7910 1999-12-01 Mark Salter <msalter@cygnus.com>
7912 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
7913 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
7914 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
7916 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7918 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
7919 * i386.md (movsi_xor): New.
7921 (movsi_1, movhi_1, movqi_1): Remove.
7922 (movsi_2): Rename to movsi_1.
7923 (movhi_2): Rename to movhi_1.
7924 (movqi_2): Rename to movqi_1.
7925 (movdi_1): Remove; remove splitter.
7926 (movdi_2): Rename to movdi_1.
7927 (divmodsi4 splitter): Do not emit clobbers for move patterns.
7928 (long move peep2): Do not create QI or HI mode mov0s
7929 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
7931 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
7934 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
7935 (abs?f2_if): Likewise.
7937 1999-11-30 Alex Samuel <samuel@codesourcery.com>
7939 * ggc.h (ggc_test_and_set_mark): New macro.
7940 (ggc_mark_rtx): Use ggc_test_and_set_mark.
7941 (ggc_mark_tree): Likewise.
7942 (ggc_mark_rtvec): Likewise.
7943 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
7945 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
7947 * dwarf2out.c (scope_die_for): Only handle types. Only search for
7949 (decl_scope_table): Just an array of trees now.
7950 (push_decl_scope): Simplify.
7951 (dwarf2out_init): Adjust.
7952 (local_scope_p): New fn.
7953 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
7954 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
7955 (gen_typedef_die): Likewise.
7956 (gen_lexical_block_die): Don't call push/pop_decl_scope.
7957 (gen_inlined_subroutine_die): Likewise.
7958 (gen_abstract_function): Set current_function_decl temporarily.
7959 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
7960 Handle block extern declarations. Don't call push/pop_decl_scope.
7961 (gen_decl_die): Fix logic for block externs.
7963 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7965 * calls.c (special_function_p): Remove `realloc' and add `strdup'
7966 to the list of functions which have attribute malloc by default.
7968 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7970 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
7971 integer constant does not match the traditional type, limit the
7972 warnings to cases where the base of the type is ten.
7974 * invoke.texi (-Wtraditional): Document it.
7976 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7978 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
7979 * rs6000.md: Only access a CONST_INT with INTVAL
7981 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
7983 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
7984 (compute_nearerout): Likewise.
7985 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
7986 size_t to unsigned long for formatting.
7988 1999-11-30 Jakub Jelinek <jakub@redhat.com>
7990 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
7991 Allow the user to override call-used/fixed state of %g2-5
7992 registers from the command line (with the exception of %g4 for
7994 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
7995 there is a higher chance of having a leaf function.
7996 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
7997 for ARCH64 which has %ccr register.
7998 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
8000 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
8001 insn accept into delay slot any insn which does not use %[ol]
8002 registers. Accept some LO_SUM and shift left by 1 for the normal
8004 (output_function_epilogue): Likewise.
8005 (epilogue_renumber): Added argument which inhibits any renumbering
8006 and just tests if the rtx does not use any %[ol] registers.
8007 (output_return): Reflect above change.
8009 1999-11-30 Jakub Jelinek <jakub@redhat.com>
8011 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
8012 aggregate passing for sizes <= 16 bytes.
8014 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
8016 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
8017 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
8018 * reload.c (find_dummy_reload): Likewise.
8019 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
8020 * reload1.c (reload_as_needed): Likewise.
8021 * stupid.c (stupid_find_reg): Likewise.
8022 * tm.texi (Obsolete Register Macros): Delete section.
8023 * gmicro.h: Remove all traces of the two macros.
8028 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
8030 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
8031 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
8032 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
8033 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
8034 units for the sparclite86x chip.
8035 (flush): Revert October 14th change; add SImode specifically.
8036 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
8037 * invoke.texi: Document it.
8039 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
8041 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
8042 psimode_truncation_operand.
8044 * config/mn10200/mn10200.c (psimode_truncation_operand): New
8045 function. Return true if the operand is either a MEM valid
8046 for a PSImode address or not a MEM at all.
8048 * config/mn10200/mn10200.md (truncsipsi2): Use
8049 psimode_truncation_operand.
8051 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8053 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
8054 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
8055 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
8056 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
8057 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
8058 (flow_loop_level_compute, low_loops_level_compute): Likewise.
8059 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
8060 * basic-block.h: Protect from multiple inclusion.
8061 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
8062 (struct loops, struct loop): Define structures.
8063 * sbitmap.c (sbitmap_a_subset_b_p): New function.
8064 * sbitmap.h: Protect from multiple inclusion.
8065 (sbitmap_a_subset_b_p): Add prototype.
8066 * Makefile.in (LOOP_H): New macro.
8067 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
8069 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
8071 * cppinit.c (CAT): The argument list of this macro may not contain
8074 1999-11-29 David S. Miller <davem@redhat.com>
8076 Move quantity tables and register equivalence chains into
8077 per-qty and per-register structure arrays respectively.
8078 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
8079 qty_const_insn, qty_comparison_code, qty_comparison_const,
8080 qty_comparison_qty): Delete, replace with...
8081 (qty_table): this structure table.
8082 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
8083 (reg_eqv_table): this structure table.
8084 (make_new_qty): Add argument MODE. Caller updated.
8085 Update to use qty_table and reg_eqv_table.
8086 (make_regs_eqv, delete_reg_equiv, insert_regs,
8087 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
8088 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
8089 cse_process_notes, cse_main, cse_basic_block): Likewise.
8091 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8093 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
8094 operation if C is negative.
8095 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
8096 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
8097 law for some divisions if constant is negative and change other
8098 divisions to the opposite rounding.
8100 * expr.c (store_constructor_field): If bit position is not multiple
8101 of alignment of TARGET's mode, use BLKmode.
8103 * expr.c (expand_expr_unaligned): Add more code from full case
8104 that is needed when OP0 is in a register.
8106 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8108 * dwarfout.c (field_byte_offset): Size can be zero if there was
8111 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8113 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
8114 (associate_trees): Delete unused var TEM.
8115 (extract_muldiv): Delete unused var CANCEL_P.
8117 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
8118 (target_isinf, target_isnan, target_negative): Add return types to
8119 function definitions.
8121 1999-11-29 Bruce Korb <autogen@linuxbox.com>
8123 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
8124 * fixinc/hackshell.tpl: ditto
8125 * fixinc/fixtests.c(double_slash_test): more C++ header testing
8126 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
8128 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8130 * reload.c (push_reload): When looking for a register to put into
8131 reg_rtx, make sure all hard regs in a multi-reg register are in the
8132 right class and nonfixed.
8134 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
8135 pending_read_insns, pending_write_insns, pending_read_mems,
8136 pending_write_mems, pending_list_length, last_pending_memory_flush,
8137 last_function_call, sched_before_next_call): Move static variables
8139 (bb_ prefixed versions): Replace with single array bb_deps.
8140 (struct deps): New structure.
8141 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
8142 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
8143 argument of type "struct deps *"; use that instead of global
8144 variables. All callers changed.
8145 (init_rgn_data_dependencies): Delete function.
8146 (init_rtx_vector): Delete function.
8147 (init_deps): New function.
8149 (free_pending_lists): Simplify, we always use the bb_deps array even
8150 if only one basic block.
8151 (compute_block_backward_dependences): Likewise.
8152 (schedule_region): Likewise.
8154 (propagate_deps): New function, broken out of
8155 compute_block_backward_dependences.
8156 (compute_block_backward_dependences): Use it.
8158 * alpha.md: Delete useless patterns that tried to work around
8159 register elimination problems.
8161 * unroll.c (loop_iterations): Don't abort if iteration variable
8164 From Joern Rennecke:
8165 * reload1.c (reloads_conflict): Reverse test comparing operand
8166 numbers when testing for conflict between output/outaddr reloads.
8168 1999-11-29 David S. Miller <davem@redhat.com>
8170 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
8172 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
8174 1999-11-28 Robert Lipe <robertl@cygnus.com>
8176 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
8177 table from .fini into .dtor.
8179 1999-11-28 Anthony Green <green@cygnus.com>
8181 * tree.h (struct tree_decl): Add malloc_flag.
8182 (DECL_IS_MALLOC): Define.
8183 * c-common.c (attrs): Add A_MALLOC attribute.
8184 (init_attributes): Add this attribute to the table.
8185 (decl_attributes): Handle malloc attribute.
8186 * calls.c (special_function_p): Check for the malloc attribute.
8187 * extend.texi (Function Attributes): Document malloc attribute.
8189 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
8191 * pa.md (reload shift-add patterns): Remove.
8193 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8195 * reorg.c (dbr_schedule) Print more statistics. Corrected
8196 problem when printing info when 3 delay slots are filled.
8198 1999-11-28 Jakub Jelinek <jakub@redhat.com>
8200 * combine.c (setup_incoming_promotions): Pass an outgoing
8201 regno to FUNCTION_ARG_REGNO_P which it expects.
8203 1999-11-28 Andreas Jaeger <aj@suse.de>
8205 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
8207 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
8209 * cccp.c (do_include): Avoid initialization of automatic variable.
8211 * integrate.c (mark_stores): Function definition made void, to match
8212 previous declaration.
8213 * regclass.c (dump_regclass): Ditto.
8214 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
8216 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8218 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
8219 known to be multiple of divisor.
8221 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
8223 * combine.c (try_combine): Add code to try to merge a set of a
8224 two-word pseudo to a constant with a setting of one of those words
8227 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
8228 (split_tree): Completely rework to make more general.
8229 (make_range, fold): Call negate_expr.
8230 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
8231 (fold, associate): Call new split_tree and associate_trees.
8232 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
8234 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
8236 * loop.c (try_copy_prop): Avoid GNU C extension.
8238 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8240 * except.c (init_eh_for_function): Still zero eh_return_context,
8241 eh_return_stack_adjust, and eh_return_handler.
8243 * except.h (eh_status): Adjust documentation for x_protect_list.
8244 (begin_protect_partials): New function.
8245 * except.c (enqueue_eh_entry): Fix formatting.
8246 (get_first_handler): Add consistency check.
8247 (add_partial_entry): Adjust usage of protect_list.
8248 (emit_cleanup_handler): Save and restore ehqueue.
8249 (expand_start_all_catch): Add comment.
8250 (begin_protect_partials): New function.
8251 (end_protect_partials): Adjust usage of protect_list.
8252 (init_eh_for_function): Use xcalloc.
8254 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8256 * c-common.c (check_format_info): Don't call a variadic function
8257 with a non-literal format string.
8259 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
8261 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
8262 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
8265 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
8268 * collect2.c (collect_wait): Likewise.
8270 * dbxout.c (dbxout_type): Likewise.
8272 * gcc.c (do_spec_1): Likewise.
8274 * genemit.c (gen_insn, gen_expand): Likewise.
8276 * genrecog.c (write_switch, write_subroutine): Likewise.
8278 * mips-tfile.c (catch_signal, botch): Likewise.
8280 * print-rtl.c (print_rtx): Likewise.
8282 * toplev.c (default_print_error_function, report_error_function,
8283 _fatal_insn): Likewise.
8285 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8287 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
8289 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8291 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
8292 operations when needed.
8293 * i386.md (fop_?f_comm): New.
8294 (fop_?f_1): Do not accept commutative operands.
8296 1999-11-25 Andreas Jaeger <aj@suse.de>
8298 * config/mips/mips.md (casesi_internal): Add missing brace.
8300 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
8302 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
8303 (splice_child_die): Handle moving a child DIE from the declaration
8304 DIE of a class to its specification.
8305 (gen_struct_or_union_type_die): Use 'complete' consistently.
8306 (gen_decl_die): Generate the virtual context DIE first.
8307 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
8309 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
8311 * config/mips/mips.md (call_value_multiple_interanal1): New.
8313 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
8315 * dwarf2out.c (free_AT, free_die): New fns.
8316 (remove_children): Call them.
8317 (output_line_info): Disable removal of duplicate notes.
8319 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
8320 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
8321 means pretend the type isn't defined.
8322 Don't defer emitting types.
8323 (gen_type_die_for_member): New fn.
8324 (gen_decl_die): Call it.
8325 (splice_child_die): New fn.
8326 (gen_member_die): Call it rather than generate duplicate dies.
8328 Defer emitting information for the abstract instance of an inline
8329 until we either inline it or emit an out-of-line copy.
8330 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
8331 from output_inline_function if DECL_ABSTRACT is also set.
8332 (block_ultimate_origin): Likewise.
8333 (gen_abstract_function): New fn.
8334 (gen_decl_die, gen_inlined_subroutine_die): Call it.
8335 (gen_subprogram_die): An abstract instance is not a declaration
8336 just because it doesn't match current_function_decl. Don't abort
8337 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
8338 has an abstract origin.
8339 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
8340 abstract instance here.
8342 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
8344 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
8345 where we need to reload fpul from a system register.
8347 1999-11-24 Andreas Jaeger <aj@suse.de>
8349 * config/mips/linux.h (CPP_PREDEFINES): Added.
8350 (LINK_SPEC): Remove -Y since this is only needed on sparc.
8352 1999-11-24 Andreas Jaeger <aj@suse.de>
8354 * config/mips/linux.h (TARGET_VERSION): Added.
8355 (HANDLE_SYSV_PRAGMA): Added.
8356 (DEFAULT_VTABLE_THUNKS): Added.
8358 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8360 * local-alloc.c (qty): New structure and static variable.
8361 (qty_phys_reg): Remove, all references changed to qty.
8362 (qty_n_refs): Likewise.
8363 (qty_min_class): Likewise.
8364 (qty_birth): Likewise.
8365 (qty_death): Likewise.
8366 (qty_size): Likewise.
8367 (qty_mode): Likewise.
8368 (qty_n_calls_crossed): Likewise.
8369 (qty_alternate_class): Likewise.
8370 (qty_changes_size): Likewise.
8371 (qty_first_reg): Likewise.
8372 (alloc_qty): Rename variable QTY to QTYNO.
8373 (finf_free_reg): Likewise.
8374 (local_alloc): Allocate qty, do not allocate the removed variables.
8376 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
8378 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
8379 when -membedded-pic is passed.
8381 * config/mips/mips.md (casesi): Handle 64-bit case too.
8382 (casesi_internal_di): New insn.
8384 * config/mips/mips.c (embedded_pic_offset): Always make the
8385 embedded-pic subtractions relative to the name of the current
8386 function by use of the magic string "..CURRENT_FUNCTION".
8387 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
8389 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
8391 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
8392 of (const_int 0), when what we really care about is
8393 whether it's a zero constant anyway.
8394 (div_trap_mips16): Likewise.
8396 1999-11-23 Mark Mitchell <mark@codesourcery.com>
8398 * loop.c (loop_optimize): Always find_loop_tree_blocks and
8399 unroll_block_trees when generating debuggable code.
8401 * tree.h (unsave_expr_1): New function.
8402 (lang_unsave): New variable.
8403 (get_callee_fndecl): New function.
8404 * tree.c (unsave_expr_now_r): New function.
8405 (lang_unsave): Define.
8406 (unsave_expr_1): Likewise.
8407 (unsave_expr_now_r): Split out from unsave_expr_now.
8408 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
8409 call unsave_expr_now_r.
8410 (get_callee_fndecl): Define.
8412 * Makefile.in (gencheck): Don't depend on lang_tree_files.
8413 (gencheck.o): Do depend on lang_tree_files.
8415 * integrate.h (copy_decl_for_inlining): New declaration.
8416 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
8417 (copy_decl_for_inlining): New function.
8418 (integrate_parm_decls): Use it.
8419 (integrate_decl_tree): Likewise.
8421 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
8423 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
8424 the second two from the first.
8425 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
8426 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
8427 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8429 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
8430 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8433 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
8435 * pa.md (call_internal_symref, call_value_internal_symref): No mode
8436 needed on the address operand.
8437 * pa.c (call_operand_address): Check for the correct mode.
8439 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
8441 * loop.c: Include "basic-block.h".
8442 (try_copy_prop, replace_loop_reg): New functions.
8443 (load_mems): Detect registers that just hold copies of the hoisted
8444 mem, and call try_copy_prop to eliminate them.
8445 * Makefile.in (loop.o): Update dependencies.
8447 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
8449 * Makefile.in (gencheck.o): Depend on gencheck.h.
8450 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
8451 (insn-peep.o): Depend on except.h and function.h.
8452 (insn-attrtab.o): Depend on RECOG_H.
8453 (insn-output.o): Depend on toplev.h and flags.h.
8454 (gengenrtl.o): Depend on real.h.
8455 (gen-protos.o): Depend on cpplib.h and cpphash.h.
8456 Unify all dependencies to be on RECOG_H rather than recog.h.
8458 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8460 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
8461 * configure.in: Try building a bi-arch 32/64-bit compiler on
8462 sparc-*-solaris2.7 and higher.
8463 * configure: Rebuild.
8465 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
8467 * config/freebsd.h: New, FreeBSD architecture independent file.
8468 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
8470 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
8471 directly by i386/freebsd.h.
8472 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
8473 independent configuration file.
8474 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
8475 directly by i386/freebsd.h.
8476 * configure: Rebuilt.
8478 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
8479 which is in the user's namespace.
8480 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
8481 `i386' which is not in our namespace.
8483 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
8485 * invoke.texi (ARM Options): Add in -mno-alignment-traps
8487 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8489 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
8490 (add_dwarf_attr, add_child_die): Just push onto the front.
8491 (reverse_die_lists): New fn.
8492 (add_sibling_attributes): Use it.
8493 (push_decl_scope): Reorganize.
8494 (add_name_and_src_coords_attributes): Don't set file and line for
8496 (gen_subprogram_die): An artificial function doesn't need to match
8498 (gen_compile_unit_die): Return the generated die. Only add
8499 AT_comp_dir if the filename is relative.
8500 (remove_AT): Simplify loop. Also free string values.
8501 (output_die): A DIE ref can't be null.
8502 (output_value_format, value_format): Take a dw_attr_ref.
8503 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
8504 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8505 AT_addr, AT_lbl): New fns.
8506 (various): Use them.
8507 (various): Constify.
8509 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8511 * combine.c (combine_simplify_rtx): When handling a SUBREG,
8512 take SUBREG_WORD into account.
8513 (if_then_else_cond): Likewise.
8515 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8517 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
8518 clause from BSD license, pursuant with
8520 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
8522 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
8524 * loop.c (load_mems): Reformat slightly.
8525 * basic-block.h (regset_head): New typedef.
8526 (INIT_REG_SET): New macro.
8528 1999-11-22 Bruce Korb <autogen@linuxbox.com
8530 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
8531 (mips-dec-bsd*): non-functional code
8532 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
8534 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
8535 added three replacement fixes
8536 (no_double_slash): removed comments that are not (any longer) pertinent
8537 (bad_lval): this fix currently runs against many files.
8538 The comment seems to indicate that we should select for files
8539 containing 'pragma extern_prefix'.
8541 * fixinc/fixinc.x86-linux-gnu: deleted
8542 * fixinc/inclhack.sh: regen
8543 * fixinc/fixincl.x: regen
8544 * fixinc/fixincl.sh: regen
8546 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
8548 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
8549 its code is INSN and it has no notes.
8551 1999-11-22 Andrew Haley <aph@cygnus.com>
8553 * varasm.c (function_defined): Remove.
8554 (make_function_rtl): Don't set function_defined.
8555 (make_decl_rtl): Remove global register warning.
8556 * regclass.c (no_global_reg_vars): New variable.
8557 (globalize_reg): Warn if function has already been defined.
8558 (regclass_init): Set no_global_reg_vars.
8560 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8562 * regclass.c (reg_pref): New structure and static variable
8563 (prefclass): Delete.
8565 (all uses of prefclass and altclass): Use reg_pref instead.
8567 1999-11-21 Nick Clifton <nickc@cygnus.com>
8569 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
8571 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
8572 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8573 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8575 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
8577 * varasm.c (output_constructor): Solve problem with long long
8578 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
8580 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8582 * global.c (allocno): New structure and static variable.
8583 (allocno_reg): Remove, all references replaced by allocno.
8584 (allocno_size): Likewise.
8585 (hard_reg_conflicts): Likewise.
8586 (hard_reg_preferences): Likewise.
8587 (hard_reg_copy_preferences): Likewise.
8588 (hard_reg_full_preferences): Likewise.
8589 (regs_someone_prefers): Likewise.
8590 (allocno_calls_crossed): Likewise.
8591 (allocno_n_refs): Likewise.
8592 (allocno_live_length): Likewise.
8593 (find_reg): Rename ALLOCNO to NUM.
8595 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
8597 (may_move_out_cost): New variable.
8598 (init_reg_sets_1): Initialize may_move_out_cost.
8599 (record_reg_classes): Use may_move_out_cost.
8601 * regclass.c (dump_regclass): New function.
8602 (regclass): New parameter DUMP, call DUMP_REGCLASS.
8603 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
8604 pass rtl_dump_file to regclass.
8605 * rtl.h (regclass): Update prototype.
8607 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8609 * i386.md (neg, not and abs patterns): Revmap to use
8610 ix86_expand_unary_operator and ix86_unary_operator_ok.
8611 (add?f and sub?f expanders): Force operand 1 to register.
8612 * i386.c (ix86_expand_unary_operator): Rewrite.
8613 (ix86_unary_operator_ok): Ensure that memory operands
8615 (ix86_binary_operator_ok): Do not allow operand 1 to
8616 come into memory and operand 0 not.
8617 (ix86_expand_binary_operator): Ensure that
8618 src1 is not non-matching memory.
8620 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
8621 to support integer registers and memory.
8622 (abss?2_integer): Likewise.
8624 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
8625 (REG_CLASS_NAMES): Likewise.
8626 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
8628 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
8629 (movsf): Likewise; unify 4th and 5th alternative.
8631 (movdf_1): Likewise; rename to movdf_integer.
8632 (pushxf): Likewise; rename to pushxf_integer; fix output template;
8633 remove redundant splitter.
8634 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
8635 (movdf_nointeger): New.
8636 (movxf_nointeger): New.
8637 (pushxf_nointeger): New.
8639 * i386.md (extend?f?f): Split to expander and pattern, refuse two
8640 memory operands in patterns.
8641 (fop*): Refuse two memory operands.
8643 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
8644 on !TARGET_USE_CLTD CPUs.
8646 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
8648 * extend.texi: Document C++ restricted pointers and references.
8650 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
8652 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
8653 (invalidate_skipped_set): Call it unconditionally.
8654 (cse_set_around_loop): Likewise.
8656 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8658 * rtl.texi (mem): Add documentation for alias-set argument
8661 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8663 * i386.h (struct_processor_costs): New fields int_load, int_store,
8664 fp_move, fp_load and fp_store
8665 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
8667 (MEMORY_MOVE_COST): New macro.
8668 * i386.c (386_cost): Define new fields.
8669 (i486_cost): Likewise.
8670 (pentium_cost): Likewise.
8671 (pentiumpro_cost): Likewise.
8672 (k6_cost): Likewise.
8674 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
8675 Geoffrey Keating <geoffk@cygnus.com>
8677 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
8679 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
8682 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
8683 (TARGET_STRICT_ALIGNMENT): New macro.
8684 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
8685 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
8686 * invoke.texi (M680x0 Options): Document -mstrict-align.
8688 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
8689 Richard Henderson <rth@cygnus.com>
8691 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
8692 (ix86_split_long_move): Declare.
8693 * i386.c (split_xf, ix86_split_movdi): Remove.
8694 (ix86_split_to_parts, ix86_split_long_move): New.
8695 * i386.md (dimode move splitters): Use ix86_split_long_move.
8696 (dfmode move splitters): Likewise.
8697 (xfmode move splitters): Likewise.
8698 (movsf_1): Allow F->r.
8699 (movdf_1, movxf_1): Allow F->ro.
8701 1999-11-17 Mark Mitchell <mark@codesourcery.com>
8703 * except.h (struct eh_entry): Add goto_entry_p.
8704 (eh_region_from_symbol): Remove prototype.
8705 * except.c (find_func_region_from_symbol): New function.
8706 (emit_cleanup_handler): Likewise.
8707 (eh_region_from_symbol): Make it static.
8708 (add_new_handler): Verify the argument.
8709 (find_func_region): Update comment.
8710 (expand_eh_region_end): Expand handlers here, rater than waiting
8711 until expand_leftover_cleanups or start_all_catch.
8712 (expand_leftover_cleanups): Don't expand here.
8713 (expand_start_all_catch): Or here.
8714 (expand_rethrow): Check the return value from find_func_region.
8715 * function.c (expand_function_end): Emit the catch_clauses.
8717 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
8719 * integrate.c (expand_inline_function): Add necessary check for NULL.
8721 1999-11-18 Nick Clifton <nickc@cygnus.com>
8723 * toplev.c (main): Correctly detect an unrecognised option.
8725 * cppinit.c (cpp_handle_option): Do not claim to have consumed
8726 a -f option if it has not been recognised.
8728 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
8730 * basic-block.h (update_life_extent): Remove trailing comma on
8731 enumeration type list.
8733 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8735 * varasm.c (output_constructor) Solved problem with long long
8736 bitfields. Corrected calculating this_time and shift. Also
8737 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
8739 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
8741 * flow.c (split_edge): Take looping structure into account when
8742 determining where to put the new block note.
8744 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
8746 * Makefile.in (ggc-none.o): Provide host specific version if
8749 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
8751 * cse.c (delete_trivially_dead_insns): Identify no-op insns
8752 containing subregs too.
8754 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8756 * invoke.texi: Add documentation for -muninit-const-in-rodata.
8757 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
8758 (TARGET_UNINIT_CONST_IN_RODATA): Define.
8759 (text_section): Add switches -munint-const-in-rodata and
8760 -mno-uninit-const-in-rodata.
8761 (ASM_OUTPUT_COMMON): Remove.
8762 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
8763 const objects should be placed in read-only data. Otherwise declare
8766 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
8768 * jump.c (jump_optimize_1): Revert last change.
8770 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
8772 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
8773 test if optimizing for size.
8775 1999-11-17 Mark Mitchell <mark@codesourcery.com>
8777 * Makefile.in (toplev.o): Depend on except.h.
8778 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
8780 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8782 * i386.md (divmodsi4): Rewrite to expander.
8783 (*divmodsi4_nocltd): New.
8784 (*divmodsi4_cltd): New.
8785 (divmodsi4 splitter): Handle the case when input comes in edx.
8786 (udivmodhi4): Do not use constraints in exander.
8787 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
8789 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
8791 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
8792 for the common case.
8794 1999-11-16 Jakub Jelinek <jakub@redhat.com>
8796 * explow.c (hard_function_value): Add outgoing argument.
8797 * expr.h (hard_function_value): Declare it.
8798 * calls.c (expand_call, emit_library_call_value): Update callers.
8799 * function.c (aggregate_value_p): Ditto.
8800 (diddle_return_value): Must look at the outgoing registers
8801 on archs with register windows.
8803 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
8805 * alpha.c (alpha_build_va_list): Use make_lang_type and
8806 initialize TYPE_NAME for the va_list record.
8808 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
8810 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
8812 * ggc.h (struct ggc_statistics): Rearrange elements for better
8813 packing on 64-bit hosts.
8814 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
8815 (compute_nearerout): Likewise.
8817 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
8819 * config/rs6000/rs6000.c (first_reg_to_save): Save
8820 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
8822 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
8824 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
8825 notion of nesting to find the DIE for a type or function.
8826 DIEs can go in limbo even if we got a context_die.
8827 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
8828 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
8830 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
8831 (gen_type_die): Writing out the context doesn't cause member class
8832 template instantiations to be written out as well.
8834 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
8836 * rs6000.h (ASM_OUTPUT_DEF): New.
8837 Based on proposed addition from David Edelsohn.
8839 1999-11-15 Robert Lipe <RobertLipe@usa.net>
8840 Bruce Korb <autogen@linuxbox.com>
8842 * fixinc/inclhack.def
8843 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
8844 (unixware7_byteorder_fix): added. Removes conflicts for new defs
8846 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
8847 (svr4_endian): enabled with SVR5
8848 (svr4_mkdev): simplified syntax and enabled with SVR5
8850 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
8852 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
8853 * configure: Rebuilt.
8854 * config/t-freebsd-thread: New file.
8856 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
8858 * i386.c (ix86_decompose_address): Verify the base is a REG
8859 before trying to examine its register number.
8861 * basic-block.h: Remove all #defines and prototypes related to
8863 (free_bb_mem, compute_preds_succs): Remove prototype.
8864 * rtl.h (free_bb_mem): Remove prototype.
8865 * flow.c (alloc_int_list_node); Remove function.
8866 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
8867 (compute_preds_succs, free_bb_mem): Likewise.
8868 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
8869 * toplev.c (rest_of_compilation): Likewise.
8870 * haifa-sched.c (build_control_flow): Use flow generated edge
8871 list to build the haifa specific edge list.
8872 (find_rgns): Use new CFG data structures instead of pred/succ lists.
8873 (schedule_insns): Do not build pred/succ lists anymore. Instead
8874 build the edge table.
8876 * basic-block.h (dump_bb_data): Remove declaration.
8877 * flow.c (dump_bb_data): Remove function.
8878 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
8879 (sbitmap_union_of_predsucc): Likewise.
8881 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
8882 argument. All callers changed.
8883 (delete_null_pointer_checks_1): No longer need to compute the
8886 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
8887 All callers changed.
8888 (pre_expr_reaches_here_p_work): Likewise.
8889 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
8890 * lcm.c (compute_laterin): Fix initialization of LATER.
8891 (compute_nearerout): Similarly for NEARER.
8893 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8895 * cse.c (set_nonvarying_address_components): Delete unused function.
8896 (refers_to_p): Likewise.
8898 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
8900 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
8903 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8905 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
8906 definition in do while (0).
8908 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
8910 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
8912 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
8914 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
8916 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
8918 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
8919 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
8920 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
8921 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
8923 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
8924 saved on the stack. Output more accurate stack frame statistics
8925 into assembler file.
8927 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
8929 * genextract.c (record_insn_name): New function.
8930 (get_insn_name): No longer a stub.
8931 (main): Call record_insn_name for each insn. After each label
8932 written, print the insn name in a comment.
8934 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8936 * output.h (const_section, init_section, fini_section): Add
8939 * alpha/elf.h (const_section): Delete declaration.
8941 * svr4.h (const_section): Likewise.
8943 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
8945 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
8946 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
8947 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
8949 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
8950 variable-sized array bounds.
8952 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
8954 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
8957 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8959 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
8960 addresses the same way GO_IF_LEGITIMATE_INDEX does.
8962 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8964 * cse.c (hash_arg_in_struct): Delete.
8965 (struct table_elt): Delete elt in_struct.
8966 (struct set): Delete elt src_in_struct.
8967 (merge_equiv_classes): Don't set either hash_arg_in_struct or
8968 the corresponding in_struct elts.
8969 (canon_hash): Likewise.
8970 (safe_hash): Likewise.
8971 (find_best_addr): Likewise.
8972 (record_jump_cond): Likewise.
8973 (cse_insn): Likewise.
8975 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
8977 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
8979 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
8982 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
8984 * function.c (diddle_return_value): Put back check that the DECL_RTL
8985 for the function is a register.
8987 * function.c (diddle_return_value): Use hard_function_value to
8988 get an rtx suitable for use in the USE/CLOBBER insn.
8990 * global.c (global_conflicts): Update comments.
8991 (record_conflicts): No need to record conflicts between pseudos here.
8993 1999-11-11 Bruce Korb <autogen@linuxbox.com>
8995 * fixinc/fixincl.c: Added verbose levels for status messages
8997 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8999 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
9000 operand as argument to expand_and or expand_binop.
9002 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
9004 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
9005 gcc_add_string_root.
9007 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
9009 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
9011 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
9013 * flow.c (compute_flow_dominators): Initially put all blocks on
9015 * lcm.c (compute_antinout_edge, compute_available): Similarly.
9016 * gcse.c (compute_cprop_avinout): Remove.
9017 (compute_cprop_data): Use compute_available.
9018 (delete_null_pointer_checks_1): Use compute_available.
9020 * basic-block.h (compute_available): Returns a void now.
9021 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
9022 to return a value anymore.
9023 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
9024 worklists. Fix boundary cases. Compute maximal solutions.
9025 (compute_laterin, compute_nearerout): Similarly.
9027 * dwarf2out.c (add_AT_location_description): Allow
9028 (mem (plus (pseudo) (...)) too.
9030 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
9032 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
9034 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
9035 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9037 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
9039 * gansidecl.h: Likewise.
9045 * toplev.h: Likewise.
9051 * varray.c: Likewise.
9053 * varray.h: Likewise.
9055 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
9057 * gcov.c (struct arcdata): Add hits and total, remove prob.
9058 (output_branch_counts): New.
9059 (process_args): Set output_branch_counts if -c.
9060 (calculate_branch_probs): Store hits and total instead of
9062 (output_data): Emit counts if output_branch_counts is true.
9063 * gcov.texi (Invoking Gcov): Document -c switch..
9065 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
9067 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
9068 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
9070 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
9072 * invoke.texi (C Dialect Options): Add missing builtins from
9074 * extend.texi (Other Builtins): Copy to this list.
9076 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9078 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
9079 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
9082 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
9084 * flow.c (compute_flow_dominators): No longer treat basic block 0
9085 or (n_basic_blocks - 1) specially. Clear the AUX field before
9086 starting computation of doms/pdoms. Fix initial state for pdoms.
9088 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9090 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
9091 match rtl.o's: added ggc.h and toplev.h
9092 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
9093 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
9094 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
9096 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
9098 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
9099 from HAVE_DOS_BASED_FILESYSTEM.
9100 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
9101 HAVE_DOS_BASED_FILESYSTEM.
9103 (split_directories): Only special-case DOS file names if
9104 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
9105 instead of explicit tests. Conditionalize on !VMS.
9106 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
9107 tests. Conditionalize on !VMS.
9108 (process_command): Only use make_relative_prefix if !VMS.
9109 (free_split_directories): Conditionalize on !VMS.
9110 (DIR_UP): Conditionalize on !VMS.
9112 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
9114 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
9116 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
9118 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
9121 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
9123 * invoke.texi (Environment Variables): Document relative path
9125 * gcc.c (DIR_UP): If not defined, define as "..".
9126 (standard_bindir_prefix): New static, holds target location to
9128 (split_directories): New function to split a filename into
9129 component directories.
9130 (free_split_directories): New function, release memory allocated
9131 by split_directories.
9132 (make_relative_prefix): New function, make a relative pathname if
9133 the compiler is not in the expected location.
9134 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
9135 can figure out an appropriate prefix from argv[0].
9136 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
9137 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
9138 STANDARD_BINDIR_PREFIX.
9140 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9142 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
9144 * config/c4x/c4x.h: Moved prototypes to c4x.h.
9145 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
9146 c4x_secondary_memory_needed) Delete.
9147 (fp_zero_operand): Add mode argument.
9149 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
9151 * reload1.c (reload_reg_free_for_value_p): Don't use a register
9152 that is in reload_reg_used.
9154 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
9156 * config/arm/arm-protos.h: New file: Prototypes for functions
9157 defined in arm.c and pe.c.
9158 * config/arm/arm.h: Fix compile time warnings.
9159 * config/arm/arm.c: Fix compile time warnings.
9160 * config/arm/pe.h: Fix compile time warnings.
9161 * config/arm/aout.h: Fix compile time warnings.
9163 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
9165 * config/m32r/m32r-protos.h: New file: Prototypes for functions
9168 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
9169 Add support for subtargets.
9170 Add prototypes for new predicates.
9171 Add scheduling macros.
9173 * config/m32r/m32r.c: Fix compile time warnings.
9174 (int8_operand): New predicate function.
9175 (reg_or_cmp_int16_operand): New predicate function.
9176 (extend_operand): New predicate function.
9177 (m32r_adjust_code): New scheduling function.
9178 (m32r_adjust_priorty): New scheduling function.
9179 (m32r_sched_init): New scheduling function.
9180 (m32r_sched_reorder): New scheduling function.
9181 (m32r_sched_variable_issue): New scheduling function.
9182 (direct_return): New codegen function.
9183 (m32r_not_same_reg): New rtl testsing function.
9185 * config/m32r/m32r.md: Fix compile time warnings.
9186 Add support for pre decrement and post increment memory
9191 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9193 * global.c (EXECUTE_IF_CONFLICT): Don't define.
9194 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
9195 (find_reg): Likewise.
9197 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
9199 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
9200 to avoid assembler errors.
9202 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
9204 * config/v850/v850-protos.h: New file: Prototypes for functions
9206 * config/v850/v850.h: Move prototypes to v850-protos.h
9207 * config/v850/v850.c: Move prototypes to v850-protos.h
9208 * config/v850/v850.md: Fix compile time warnings.
9210 * config/fr30/fr30-protos.h: New file: Prototypes for functions
9212 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
9213 * config/fr30/fr30.c: Fix compile time warnings.
9214 * config/fr30/fr30.md: Fix compile time warnings.
9216 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
9218 * tree.h (get_containing_scope): Declare it.
9219 * tree.c (get_containing_scope): New fucntion.
9220 (decl_function_context): Use it.
9221 * toplev.c (rest_of_compilation): Use get_containing_scope.
9223 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9225 * Makefile.in (rtl.o): Depend on toplev.h.
9227 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
9229 * cse.c (delete_trivially_dead_insns): Replace alloca with
9231 * except.c (update_rethrow_references): Likewise.
9232 (init_eh_nesting_info): Likewise.
9233 * function.c (identify_blocks): Likewise.
9234 * gcse.c (dump_hash_table): Likewise.
9235 * graph.c (print_rtl_graph_with_bb): Likewise.
9236 * loop.c (combine_movables): Likewise.
9237 (move_movables): Likewise.
9238 (count_loop_regs_set): Likewise.
9239 (strength_reduce): Likewise.
9240 * profile.c (compute_branch_probabilities): New function, split
9242 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
9243 * regclass.c (regclass): Likewise.
9244 * regmove.c (regmove_optimize): Likewise.
9245 * toplev.c (compile_file): Likewise.
9246 (main): Don't mess with the stack rlimit.
9248 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
9250 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
9251 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
9253 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
9255 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
9257 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
9259 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
9260 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
9263 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
9265 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
9267 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
9269 * gcse.c (post_dominators): Kill.
9270 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
9271 (compute_code_hoist_data): Use compute_flow_dominators. Do not
9272 pass in a pdom array since we do not need pdoms.
9273 * haifa-sched.c (schedule_insns): Similarly.
9274 * flow.c (compute_dominators): Remove dead function.
9275 (compute_flow_dominators): Do not compute doms or pdoms if the
9276 caller does not request them. Split up loop to build doms and
9277 pdoms. Use a worklist to compute doms and pdoms.
9278 * basic-block.h (compute_dominators): Remove prototype.
9280 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
9282 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
9283 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
9284 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
9285 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
9286 (cant_move, fed_by_spec_load, is_load_insn): Remove.
9287 (schedule_region): Remove unused variable.
9288 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
9290 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
9292 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
9293 (update_equiv_regs): Likewise.
9294 (block_alloc): Likewise.
9295 * reg-stack.c (reg_to_stack): Likewise.
9296 (convert_regs_2): Likewise.
9297 * reload1.c (reload_as_needed): Likewise.
9299 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
9301 * Makefile.in (dbxout.o): Depend on ggc.h.
9302 (dwarf2out.o): Likewise.
9303 (xcoffout.o): Likewise.
9304 * dbxout.c: Include ggc.h.
9305 (dbxout_init): Register lastfile as a root.
9306 * dwarf2out.c: Include ggc.h.
9307 (dwarf2out_line): Register lastfile as a root.
9308 * xcoffout.c: Include ggc.h.
9309 (xcoffout_source_line): Register xcoff_lastfile as a root.
9311 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
9313 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
9315 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
9317 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
9319 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9321 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9323 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
9324 (EXECUTE_IF_CONFLICT): Likewise.
9325 (ALLOCNO_LIVE_P): Avoid signed division.
9326 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
9327 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
9328 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
9330 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
9332 * haifa-sched.c (schedule_block): Don't crash if there's no
9333 next insn for an interblock movement.
9334 (add_branch_dependences): Don't allow clobber insns to move either.
9336 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
9338 * i386.c (split_xf): New.
9339 * i386-protos.h: Declare it.
9340 * i386.md (movxf_1): Add general regs alternatives.
9341 (movxf_1+1): New splitter for same.
9343 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
9345 * function.c (purge_addressof_1): Add missing return values.
9347 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
9349 * function.c (is_addressof): New function. Returns true if
9350 the given piece of RTL is an ADDRESSOF.
9351 (purge_addressof_1): Make boolean. Return false if the
9352 ADDRESSOFs could not be purged.
9353 (purge_addressof): If ADDRESSOFs could not be purged from the
9354 notes attached to an insn, remove the offending note(s),
9355 unless they are attached to a libcall.
9357 1999-11-05 Andreas Jaeger <aj@suse.de>
9359 * genoutput.c (null_operand =): Initialize all fields.
9361 * errors.h: Add extern to prototypes.
9363 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
9365 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
9366 * configure: Rebuilt.
9368 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9370 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
9371 (mirror_conflicts): New function.
9372 (global_alloc): Call it.
9373 (expand_preferences): Remove redundant CONFLICTP test.
9374 (find_reg, dump_conflicts): Likewise.
9375 (prune_preferences): Process conflicts one word at a time.
9377 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
9379 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
9380 instead of an explicit loop.
9382 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
9384 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
9385 if REG_RETVAL check succeeds, then put classp in src_elt.
9387 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
9389 * function.c (pad_to_arg_alignment): Only update argument_pad
9390 if the argument's alignment is greater than STACK_BOUNDARY.
9392 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
9394 * bitmap.h (BITMAP_XFREE): New.
9395 * flow.c (life_analysis): Use it.
9396 (life_analysis_1): Free blocks.
9398 * combine.c (undo_commit): New.
9399 (try_combine): Use it. Don't zap undobuf.undos.
9400 (combine_instructions): Don't zap undobuf.undos; free the
9403 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
9405 * stmt.c (cost_table_): New.
9406 (estimate_case_costs): Use it instead of xmalloc.
9408 * toplev.c (compile_file): Reuse dumpname memory instead
9411 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
9413 * reg-stack.c (convert_regs_1): Initialize target_stack->top
9414 after verifying an EH edge.
9416 * haifa-sched.c (init_rgn_data_dependences): Correctly
9417 size bb_pending_lists_length when zeroing.
9419 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
9421 * function.c (diddle_return_value): New.
9422 (expand_function_end): Use it.
9423 * stmt.c (expand_null_return): Likewise.
9424 (expand_value_return): Likewise.
9426 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
9428 * reload1.c (reload): Don't remove return value clobbers.
9430 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
9432 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
9434 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
9436 * cse.c (cse_main): Use xmalloc, not alloca.
9437 (cse_basic_block): Likewise.
9438 * local-alloc.c (local_alloc): Likewise.
9440 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
9441 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9443 * rtl.c: Include toplev.h.
9444 (fatal): Remove declaration.
9446 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
9448 * haifa-sched.c (schedule_block): Fix thinko.
9450 1999-11-03 James McKelvey <mckelvey@fafnir.com>
9452 * fixinc/fixincl.c(create_file): Allow for systems that do not have
9453 S_IR* defined values
9455 1999-11-03 Philippe De Muyter <phdm@macqel.be>
9457 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
9458 call `malloc' instead.
9460 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
9462 * flags.h (flag_renumber_insns): Declare.
9463 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
9465 * rtl.h (renumber_insns): Change prototype.
9466 * toplev.c (flag_renumber_insns): Define.
9467 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
9469 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
9471 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
9472 and fpsqrtd. Use them and create fdiv function unit to more
9473 accurately represent fpu sqrt pipeline semantics on UltraSparc.
9474 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
9476 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
9478 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
9480 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
9481 insn into ready list, do not use just a raw swap.
9483 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
9485 * rtl.h (renumber_insns): New function.
9486 (remove_unnecessary_notes): Likewise.
9487 * emit-rtl.c (renumber_insns): Define.
9488 (remove_unncessary_notes): Likewise.
9489 * toplev.c (rest_of_compilation): Remove dead code.
9490 Use renumber_insns and remove_unncessary_notes.
9492 * gcse.c (struct null_pointer_info): New type.
9493 (get_bitmap_width): New function.
9494 (current_block): Remove.
9495 (nonnull_local): Likewise.
9496 (nonnull_killed): Likewise.
9497 (invalidate_nonnull_info): Take a null_pointer_info as input.
9498 (delete_null_pointer_checks_1): New function.
9499 (delete_null_pointer_checks): Use it.
9501 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
9502 (split_edges): Likewise.
9503 (schedule_block): Likewise.
9504 (compute_block_backward_dependencies): Likewise.
9505 (schedule_region): Likewise.
9506 (schedule_insns): Likewise.
9508 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
9510 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
9511 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
9512 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
9513 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
9514 * jump.c (delete_unreferenced_labels): Don't delete if
9515 LABEL_ALTERNATE_NAME is set.
9516 * print-rtl.c (print_rtx): Dump alternate name.
9517 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
9518 * rtl.h (LABEL_ALTERNATE_NAME): Define.
9519 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
9520 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
9522 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9524 * fix-header.c (recognized_extern, recognized_function): Constify
9527 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
9528 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9529 (compute_available): Remove unused variable `last'.
9530 (compute_nearerout): Remove unused variable `temp_bitmap'.
9531 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9532 Remove unused variable `x'.
9534 * scan.h (recognized_function, recognized_extern): Constify a
9537 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
9539 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9541 * varasm.c (decode_rtx_const): Use XSTR to access the string
9544 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
9546 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
9548 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9550 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
9552 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
9554 * pa.c (ireg_operand): New function.
9555 * pa.h (PREDICATE_CODES): Handle ireg_operand.
9556 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
9557 Fix out of date comment.
9559 * pa.md (negdi2): Turn into expander + anonymous pattern.
9561 * reload.c (find_reloads): Fix typos in recent change.
9563 * dwarf2out.c: Do not include ctype.h.
9565 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9567 * regclass.c (record_reg_classes): Always use may_move_cost when
9568 seeing how operand fits with various register classes.
9570 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
9572 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
9573 * toplev.c: Revert Nov 1 13:22 change.
9575 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
9577 * config/pa/pa.md (height reduction patterns): Add checks for
9578 overlapping operands to avoid semantic-destroying splits for
9579 height reduction patterns.
9581 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9583 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
9584 have been an hyphen, fixed.
9585 * configure: Rebuilt.
9587 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
9589 * config/arm/tpe.h: Add prototypes for exported functions.
9590 * config/arm/pe.c: Fix compile time warnings.
9591 * config/arm/semi.h: Fix compile time warnings.
9592 * config/arm/arm.c: Fix compile time warnings.
9593 * config/arm/arm.h: Fix compile time warnings.
9594 * config/arm/arm.md: Fix compile time warnings.
9595 * config/arm/thumb.c: Fix compile time warnings.
9596 * config/arm/thumb.h: Fix compile time warnings.
9597 * config/arm/thumb.md: Fix compile time warnings.
9599 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
9601 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
9604 * unroll.c (unroll_loop): Remove LOOP notes when loop is
9605 completely unrolled.
9607 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9609 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
9611 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
9613 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
9614 * rtl.h (rtx_equal_p): Move prototype.
9615 * rtl.c (rtx_equal_function_value_matters): Move from
9617 (rtx_equal_p): Likewise.
9618 * rtlanal.c (rtx_equal_function_value_matters): Delete.
9619 (rtx_equal_p): Likewise.
9621 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
9623 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
9626 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
9628 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
9630 * pa.h (ADDR_VEC_ALIGN): Define.
9632 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
9633 notes when presented with "if (foo) break; end_of_loop" and
9634 the break sequence gets moved out of the loop.
9636 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
9637 Remove explicit zero initializations of entries within MAP.
9639 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
9641 * reg-stack.c (convert_regs_1): Handle EH edges specially.
9643 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
9645 * bitmap.h (BITMAP_XMALLOC): New macro.
9646 * flow.c (CLEAN_ALLOCA): Remove.
9647 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
9648 (life_analysis): Likewise.
9649 (update_life_info): Don't use CLEAN_ALLOCA.
9650 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
9651 (calculate_global_regs_live): Likewise.
9652 (print_rtl_with_bb): Likewise.
9653 (verify_flow_info): Likewise.
9654 * global.c (global_alloc): Likewise.
9655 (global_conflicts): Likewise.
9656 * integrate.c (save_for_inline_nocopy): Likewise.
9657 (expand_inline_function): Likewise.
9658 * jump.c (jump_optimize_1): Likewise.
9659 (duplicate_loop_exit_test): Likewise.
9660 (thread_jumps): Likewise.
9661 * loop.c (loop_optimize): Likewise.
9662 (combine_givs): Likewise.
9663 (recombine_givs): Likewise.
9664 * reorg.c (dbr_schedule): Likewise.
9665 * unroll.c (unroll_loop): Likewise.
9667 * combine.c (combine_instructions): Use xmalloc instead of alloca.
9669 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
9671 * toplev.c (rest_of_compilation): Don't optimize the CFG
9672 when rebuilding, just before dbr.
9674 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9676 * output.h (assemble_end_function, assemble_destructor,
9677 assemble_constructor, assemble_gc_entry, assemble_global,
9678 assemble_label, output_constant_pool) Constify a char*.
9680 * varasm.c (assemble_destructor, assemble_constructor,
9681 assemble_gc_entry, assemble_end_function, assemble_global,
9682 assemble_label, output_constant_pool): Likewise.
9684 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
9686 * config/arm/thumb.c (thumb_expand_prologue): Add comments
9687 explaining what is goin on in this function.
9689 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9691 * regclass.c (record_reg_classes): In matching case, recompute
9692 costs since the direction of movement is different.
9694 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
9696 * resource.c (mark_target_live_regs): For unconditional branches,
9697 the resources found at the branch target should be added to the
9698 resources found so far, not intersected.
9700 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
9702 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
9704 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
9705 (sys/mman.h): Include this file only if #HAVE_MMAP.
9706 (run_compiles): Initialize `esac_fmt' with one old KR string, not
9707 with automatically concatenated ANSI strings.
9709 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
9711 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
9712 (DIV_ROUND_UP): Robustify.
9713 (ggc_recalculate_in_use_p): New function.
9714 (release_pages): Don't inline it.
9715 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
9717 (ggc_pop_context): Use ggc_recalculate_in_use_p.
9718 (clear_marks): Always save in_use_p.
9719 (sweep_pages): Use ggc_recalculate_in_use_p.
9720 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
9721 Release pages before counting statistics.
9723 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
9725 * toplev.c (rest_of_compilation): Fix thinko in this change:
9727 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
9729 (rest_of_compilation): If inside an inlined external function,
9730 pretend we are just being declared.
9732 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
9734 * flow.c (calculate_global_regs_live): Fix thinko.
9736 * integrate.c (expand_inline_function): Fix bugs in previous
9737 change from Oct 28, 1999.
9739 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
9741 * stmt.c (expand_value_return): Fix typo in this change:
9743 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9744 (expand_value_return): Correctly convert VAL when promoting function
9745 return; support RETURN_REG being a PARALLEL.
9747 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
9749 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
9751 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9753 * hard-reg-set.h (reg_names): Constify a char*.
9755 * regclass.c (reg_names): Likewise.
9757 * regs.h (reg_names): Likewise
9759 * a29k/a29k.c (reg_names): Delete declaration.
9761 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
9763 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
9764 arc_output_function_epilogue): Likewise.
9766 * elxsi/elxsi.c (reg_names): Likewise.
9768 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
9770 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
9773 * m88k/m88k.c (output_function_profiler): Likewise.
9775 * sparc/sparc.c (sparc_flat_output_function_prologue,
9776 sparc_flat_output_function_epilogue): Likewise.
9778 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
9780 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
9781 warning from -Wuninitialized and put it under -W.
9782 * function.c (uninitialized_vars_warning): Warn only when the
9783 corresponding flag is set.
9785 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
9787 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
9788 is nonzero and the single set does not have an elt, then assign
9791 * simplify-rtx.c: New file.
9792 * Makefile.in (OBJS): Add simplify-rtx.o
9793 (simplify-rtx.o): Add dependencies.
9794 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
9795 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
9796 (cse_gen_binary, simplify_unary_operation): Delete.
9797 (simplify_binary_operation, simplify_plus_minus): Likewise.
9798 (check_fold_consts, simplify_relation_operation): Likewise.
9799 (simplify_ternary_operation): Likewise.
9800 (delete_trivially_dead_insns): Simplify the contents of the
9801 REG_EQUAL note before trying to substitute it into the source
9802 of the reg-reg copy at the end of a libcall sequence.
9804 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
9805 references/callers changed.
9807 * mn10200.c (mn10200_va_arg): Force the return value into a
9810 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
9812 * cccp.c (macroexpand): Avoid out of range accesses for omitted
9815 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
9817 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
9819 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
9821 * fold-const.c (fold): Fix thinko when optimizing comparisons
9824 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
9826 * gcc.texi (Passes): Update front-end files to their current
9829 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
9831 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
9832 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
9833 (PREDICATE_CODES): Add addition_operation.
9834 * alpha-protos.h (addition_operation): Declare.
9835 (secondary_reload_class): Likewise.
9836 * alpha.c (addition_operation): New.
9837 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
9838 * alpha.md (adddi3): Turn into expander.
9839 (*lda, *adddi_2): New.
9840 (movsf, movdf patterns): Don't preference integer regs.
9841 (movsi, movdi patterns): Don't preference fp regs.
9843 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
9845 * genrecog.c (write_switch): Check for duplicate CODE cases.
9847 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
9849 * ggc-common.c: Update pre-function commentary.
9850 * ggc-page.c: Likewise.
9852 (poison_pages): Use memset directly.
9853 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
9854 (ggc_collect): Poison before sweeping.
9855 * ggc-simple.c: Update pre-function commentary.
9856 (ggc_alloc_obj): Poison non-zeroed memory.
9858 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
9860 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
9861 match format string, even on 64-bit hosts.
9862 * gcc-page.c (ggc_page_print_statistics): Likewise.
9864 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
9866 * config/i386/i386.c (ix86_cpu): Revert last patch.
9867 * config/i386/i386.h (ix86_cpu): Ditto.
9869 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
9871 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
9872 TYPE_SIZE, convert type of result to sizetype.
9874 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
9876 * flow.c (count_or_remove_death_notes): Equate NULL with the
9879 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
9880 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
9883 * i386.c (pic_label_no): Delete.
9884 (ix86_attr_length_default): Don't use single_set to peek
9887 * recog.c (peephole2_optimize): Allow recog_next_insn to index
9888 the first insn after bb->end.
9889 * i386.md (push mem peeps): Scratch is live after evaluation
9891 (cmp mem peep): Similarly.
9893 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
9895 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
9896 * function.c (pad_to_arg_alignment): Add missing braces.
9898 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9900 * alpha/alpha-protos.h (literal_section): Add prototype.
9901 (alpha_need_linkage, alpha_start_function,alpha_end_function):
9904 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
9906 (alpha_start_function, alpha_end_function, float_strings,
9907 alpha_need_linkage): Constify a char*
9909 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
9911 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
9913 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9915 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9917 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9919 * flow.c (debug_flow_info): Add prototype.
9921 * gcc.c (main): Likewise.
9923 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
9926 * reload1.c (failed_reload, set_reload_reg): Likewise.
9928 * mips-tfile.c (main): Likewise.
9929 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
9930 with ATTRIBUTE_NORETURN.
9932 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
9934 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
9935 DECL is not a memory ref.
9937 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
9939 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
9940 * config/i386/i386.c (ix86_cpu): Add extern attribute.
9942 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
9944 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
9945 * config/mips/elf64.h: ditto.
9947 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
9949 * expr.c (emit_push_insn): New argument alignment_pad.
9950 Update all callers. Adjust stack pointer based on alignment pad.
9951 * function.c (pad_to_arg_alignment): New argument alignment_pad.
9952 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
9953 (locate_and_pad_parm): New argument alignment_pad. Update all
9955 * expr.h (emit_push_insn): Update prototype.
9956 (locate_and_pad_parm): Update prototype.
9957 * calls.c (arg_data): Add new field alignment_pad.
9958 (initialize_argument_information): Initialize alignment_pad.
9960 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
9962 * except.c (free_eh_nesting_info): Free the info itself.
9963 * function.c (free_after_compilation): Don't free NULL.
9964 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
9965 (pre_edge_insert): Free inserted.
9966 * stmt.c (free_stmt_status): Don't free NULL.
9968 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
9970 * gcov.c (DIR_SEPARATOR): Provide default.
9971 (output_data): Add test for MS-DOS format absolute filename.
9972 (fancy_abort): Correct program name.
9973 (open_files): Open all files in binary mode.
9974 * libgcc2.c (__bb_exit_func): Likewise.
9976 * profile.c (init_branch_prob): Specify binary when opening files.
9978 * flags.h (flag_unwind_tables): New decl.
9979 * toplev.c (flag_unwind_table): New definition.
9980 (f_options): Add -funwind-tables.
9981 (decode_g_option): Clarify warning when unknown -g option is given.
9982 (rest_of_compilation): If inside an inlined external function,
9983 pretend we are just being declared.
9985 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
9986 (dwarf2out_frame_finish): Likewise.
9988 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
9990 * fold-const.c (merge_ranges): If not in0, but in1, handle
9991 upper bounds equal like subset case.
9993 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
9995 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
9996 passed in a register but moved to the stack.
9998 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
10000 * gcc.c (pass_exit_codes, greatest_status): New variables.
10001 (struct option_map): Add entry for "--pass-exit-codes".
10002 (execute): Update greatest_status if error.
10003 (display_help): Add documentation for -pass-exit-codes.
10004 (process_command): Handle -pass-exit-codes.
10005 (main): Look at pass_exit_codes and greatest_status on call to exit.
10007 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10009 * reload.c (find_reloads): Refine test for no input reload
10010 case to not includes reloads emitted after insn.
10012 * function.c (find_temp_slots_from_address): Handle sum involving
10013 a register that points to a temp slot.
10014 (update_temp_slot_address): Make recursive call if both old and
10015 new are PLUS with a common operand.
10016 * calls.c (expand_call): Mark temp slot for result as having
10019 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
10021 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
10022 component as well as "BINUTILS".
10024 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
10025 * integrate.c (copy_rtx_and_substitute): Likewise.
10026 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
10027 All callers changed.
10028 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
10030 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
10031 gdb extensions, write size of type; also be more consistent
10032 in using references when this is a subtype.
10034 * pa.md (extv, extzv, insv): Use define_expand to reject constant
10035 that is out of range.
10037 * loop.c (unknown_constant_address_altered): New variable.
10038 (prescan_loop): Initialize it.
10039 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
10040 (invariant_p, case MEM): Remove handling for volatile and readonly;
10041 check new variable if readonly.
10042 (check_dbra_loop): Chdeck unknown_constant_address_altered.
10044 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
10045 (addr_affects_sp_p): Removed from note_mem_written and only
10046 define #ifdef AUTO_INC_DEC.
10048 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
10050 * regclass.c (record_reg_classes): Properly handle register move
10053 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
10054 Don't think valid if both operands are invalid.
10055 (struct constant_descriptor): New field RTL.
10056 (mark_const_hash_entry): Mark it.
10057 (record_constant{,_rtx}): Initialize it.
10058 (output_constant_def): Allocate RTL in permanent obstack and
10060 ({record,compare}_constant_1): Modes must match for
10061 CONSTRUCTOR of ARRAY_TYPE.
10063 * c-common.h (initializer_constant_valid_p): Delete decl from here.
10064 * output.h (initializer_constant_valid_p): Move decl to here.
10065 * c-common.c (initializer_constant_valid_p): Delete function from here.
10066 * varasm.c (initializer_constant_valid_p): Move function to here.
10068 * tree.h (STRIP_SIGN_NOPS): New macro.
10069 * fold-const.c (optimize_minmax_comparison): New function.
10070 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
10071 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
10072 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
10073 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
10074 widening conversions.
10075 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
10076 to look at size of mode, not precision of type; also add missing cases.
10077 (optimize_bit_field_compare, decode_field_reference): Don't try to
10078 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
10080 * dwarf2out.c (ctype.h): Include.
10081 (dwarf2out_set_demangle_name_func): New function.
10082 (size_of_line_info): Deleted.
10083 (output_line_info): Compute size of line info table from difference
10085 (base_type_die, add_name_attribute): Call demangle function, if any.
10086 (field_byte_offset): Use bits per word for variable length fields.
10087 (gen_array_type_die): Add array name.
10088 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
10089 (dwarf2out_add_library_unit_info): New function.
10091 * explow.c (set_stack_check_libfunc): New function.
10092 (stack_check_libfunc): New static variable.
10093 (probe_stack_range): Allow front-end to set up a libfunc to call.
10095 * combine.c (simplify_comparison): When making comparison in wider
10096 mode, check for having commuted an AND and a SUBREG.
10097 (contains_muldiv): New function.
10098 (try_combine): Call it when dividing a PARALLEL.
10099 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
10100 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
10102 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
10103 use one of the CLOBBERs instead.
10104 (if_then_else_cond): If comparing against zero, just return thing
10107 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
10108 Don't generate shifts and subtract if have conditional arithmetic.
10110 * rtl.h (delete_barrier): New declaration.
10111 * jump.c (jump_optimize): Set up to handle conditional call.
10112 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
10113 (delete_barrier): New function.
10115 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
10117 * recog.c (nonmemory_operand): Accept ADDRESSOF.
10119 * tree.c (build_type_attribute_variant): Push to obstack of
10120 ttype around type_hash_canon call.
10122 * expr.c (placeholder_list): Move decl to file scope.
10123 (expand_expr): Don't force access to volatile just because its
10125 If ignoring reference operations, just expand the operands.
10126 (expand_expr, case COMPONENT_REF): Propagate
10127 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
10128 Refine test for using bitfield operations vs pointer punning.
10129 (expand_expr, case CONVERT_EXPR): If converting to
10130 BLKmode UNION_TYPE from BLKmode, just return inner object.
10131 Use proper mode in store_field call.
10132 Properly set sizes of object to store and total size in store_field
10133 call for convert to union.
10134 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
10135 memory (like for ADDR_EXPR). Also, don't put constant in register if
10136 we'll want it in memory.
10137 (readonly_fields_p): New function.
10138 (expand_expr, case INDIRECT_REF): Call it if LHS.
10139 (expand_assignment): Handle a RESULT_DECL where
10140 DECL_RTL is a PARALLEL.
10141 (do_jump, case WITH_RECORD_EXPR): New case.
10142 (get_inner_reference): Always go inside a CONVERT_EXPR
10143 and NOP_EXPR if both modes are the same.
10144 (store_field): Use bitfield operations if size of bitsize is not same
10145 as size of RHS's type.
10146 Check for bitpos not a multiple of alignment in BLKmode case.
10147 Do block move in largest possible alignment.
10148 (store_constructor): Set BITSIZE to -1 for variable size and properly
10149 in case of array of BLKmode.
10150 (expand_expr_unaligned): New function.
10151 (do_compare_and_jump): Call it.
10153 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
10154 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
10155 does not include 'o'.
10157 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
10158 both SET_DEST and SET_SRC reference a virtual register.
10159 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
10161 * integrate.c (expand_inline_function): Handle case of setting
10162 virtual stack vars register (from built in setjmp); when parameter
10163 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
10164 (subst_constant): Add new parm, MEMONLY.
10165 (expand_inline_function, integrate_parm_decls): Pass new parm.
10166 (integrate_decl_tree): Likewise.
10167 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
10168 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
10169 (copy_rtx_and_substitute, case SET): Add explicit calls to
10170 copy_rtx_and_substitute for both sides.
10172 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
10174 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
10175 within INDEX_TYPE, instead of before.
10176 (fixup_gotos): Use f->target_rtl, not the next insn,
10177 since latter may be from a later fixup.
10178 (expand_value_return): Correctly convert VAL when promoting function
10179 return; support RETURN_REG being a PARALLEL.
10180 (expand_return): When checking for result in regs and having
10181 cleanup, consider PARALLEL in DECL_RTL as being in regs.
10183 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
10185 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
10186 last_nominal_fname): Mark const.
10187 (struct include_hash: name, nshort, control_macro): Mark
10189 (struct macrodef: symnam): Mark const.
10190 (struct if_stack: fname): Mark const.
10191 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
10192 (IStable): New character-syntax array which encompasses all
10193 the old is_foo arrays.
10194 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
10195 is_space): New macros for interrogating IStable.
10196 (check_macro_name): Kill last argument. All callers changed.
10198 * cppinit.c (initialize_char_syntax): Delete.
10199 (is_idchar, is_idstart, is_hor_space, is_space,
10200 trigraph_table): Delete.
10201 (IStable): New. Initialize with clever macros to avoid
10202 information duplication.
10203 (builtin_array): Table of builtins to get rid of explicit list
10204 in initialize_builtins.
10205 (initialize_builtins): Use builtins_array.
10206 (cpp_start_read): Call init_IStable, and set IStable['$'] if
10207 opts->dollars_in_ident.
10209 * cppexp.c: Change all refs to is_xyz[] arrays to use new
10211 (cpp_parse_expr): Avoid 'format string is not constant'
10212 warning. Use ISGRAPH to identify printable chars.
10213 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
10215 (read_and_prescan): Map trigraphs to chars with open-coded
10216 if-else-if-... sequence, not a lookup table.
10217 * cpphash.c: Change all refs to is_xyz[] arrays to use new
10219 * cpplib.c: Change all refs to is_xyz[] arrays to use new
10220 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
10221 (check_macro_name): Remove ability to report an invalid
10222 assertion name, which is never used.
10223 (do_line): Constify a couple of char *'s.
10224 * cppmain.c (main): Call cpp_cleanup before returning.
10226 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
10228 * ggc.h (struct ggc_statistics): New type.
10229 (ggc_get_size): New function.
10230 (ggc_print_statistics): Likewise.
10231 * ggc-common.c (ggc_stats): New variable.
10232 (ggc_mark_rtx_children): Keep statistics.
10233 (ggc_mark_tree_children): Likewise.
10234 (ggc_print_statistics): New function.
10235 * ggc-page.c (struct globals): Add bytes_mapped field.
10236 (alloc_anon): Update it.
10237 (release_pages): Likewise.
10238 (ggc_get_size): New function.
10239 (ggc_page_print_statistics): New function.
10240 * ggc-simple.c (ggc_get_size): New function.
10242 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
10244 * flow.c (propagate_block): When the last reference to a label
10245 before an ADDR_VEC is deleted because the reference is a dead
10246 store, delete the ADDR_VEC.
10248 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
10250 * resource.c (find_free_register): Don't use the frame pointer
10251 if frame_pointer_needed.
10253 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
10255 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
10256 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
10258 * config/i960/i960.c (i960_va_start): New locals base, num.
10259 Use INDIRECT_REF instead of ARRAY_REF on valist.
10260 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
10262 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
10264 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
10266 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
10268 * tree.def (PLACEHOLDER_EXPR): Update comments.
10270 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10272 * c-common.c (check_format_info): Avoid non-literal format string
10273 warnings when `first_arg_num' is zero.
10275 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10277 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
10279 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
10281 * arm.md (casesi_insn): Add a clobber of the condition code
10284 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
10286 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
10287 used by both cc1 and cc1plus.
10289 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
10291 * config/arm/arm.c: Initialise arm_structure_size_boundary to
10292 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
10293 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
10294 to the value 32 if it has not already been defined.
10295 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
10296 Override definition in arm.h with a value of 8.
10298 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
10300 * c-pragma.c (push_alignment): Don't check the return value
10303 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
10305 * sparc.h (ADJUST_COST): Fix thinko.
10307 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
10309 * cccp.c (rescan): Fixed obp pointer handling around call to
10310 check_expand subroutine.
10312 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
10314 * gcse.c (delete_null_pointer_checks): Only record non-null info
10315 for pseudos when examining stores.
10317 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
10318 splitters for these patterns. Use "#" for output templates.
10319 (addsi3_carryin_shift): New pattern.
10321 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
10323 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
10324 of the function return register into a plain REG until
10325 after function inlining is done.
10327 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
10329 * jump.c (jump_optimize_1): If we did cross-jumping, and
10330 the data will matter, rebuild the CFG.
10331 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
10332 not optimizing. Don't run shorten_branches.
10333 * toplev.c (rest_of_compilation): Run shorten_branches after
10336 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
10338 * rtl.h (note_stores): Add additional paramter.
10339 * rtlanal.c (reg_set_p_1): Take additional paramter.
10340 (reg_set_last_1): Likewise.
10341 (reg_set_p): Adjust call to note_stores.
10342 (reg_set_last): Likewise.
10343 (note_stores): Pass data parameter to worker function.
10344 * alias.c (record_set): Take additional parameter.
10345 (init_alias_analysis): Pass it.
10346 * caller-save.c (mark_set_regs): Take additional parameter.
10347 (save_call_clobbered_regs): Pass NULL to note_stores.
10348 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
10350 (record_dead_and_set_regs_1): Likewise.
10351 (reg_dead_at_p_1): Likewise.
10352 (combine_instructions): Adjust calls to note_stores.
10353 (try_combine): Likewise.
10354 (record_dead_insn): Remove.
10355 (record_dead_and_set_regs): Adjust calls to note_stores.
10356 (reg_dead_at_p): Likewise.
10357 * cse.c (invalidate_skipped_set): Take additional parameter.
10358 (cse_check_loop_start): Likewise.
10359 (cse_check_loop_start_value): Remove.
10360 (cse_set_around_loop): Adjust calls to note_stores.
10361 * flow.c (notice_stack_pointer_modification): Take additional
10362 parameter. Remove duplicate declaration.
10363 (record_volatile_insns): Adjust calls to note_stores.
10364 * gcse.c (record_set_info): Take additional parameter.
10365 (record_last_set_info): Likewise.
10366 (invalidate_nonnull_info): Likewise.
10367 (record_set_insn): Remove.
10368 (compute_sets): Adjust calls to note_stores.
10369 (last_set_insn): Remove.
10370 (compute_hash_table): Adjust calls to note_stores.
10371 (insert_insn_end_bb): Likewise.
10372 (delete_null_pointer_checks): Likewise.
10373 * global.c (mark_reg_store): Take additional parameter.
10374 (mark_reg_clobber): Likewise.
10375 (reg_becomes_live): Likewise.
10376 (global_conflicts): Adjust calls to note_stores.
10377 (build_insn_chain): Likewise.
10378 * integrate.c (note_modified_parmregs): Take additional parameter.
10379 (mark_stores): Likewise. Make it static.
10380 (save_for_inline_nocopy): Adjust calls to note_stores.
10381 (try_constants): Likewise.
10382 * integrate.h (mark_stores): Remove declaration.
10383 * jump.c (mark_modified_reg): Take additional parameter.
10384 (thread_jumps): Adjust calls to note_stores.
10385 * local-alloc.c (validate_equiv_mem_from_store): Take additional
10387 (no_equiv): Likewise.
10388 (reg_is_set): Likewise.
10389 (validate_equiv_mem): Adjust calls to note_stores.
10390 (update_equiv_regs): Likewise.
10391 (block_alloc): Likewise.
10392 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
10393 (note_addr_stored): Take additional parameter.
10394 (note_set_pseudo_multiple_uses): Likewise.
10395 (record_initial): Likewise.
10396 (prescan_loop): Adjust calls to note_stores.
10397 (strength_reduce): Likewise.
10398 (check_dbra_loop): Likewise.
10399 * regmove.c (flags_set_1): Take additional paramter.
10400 (mark_flags_life_zones): Adjust calls to note_stores.
10401 * reload1.c (mark_not_eliminable): Take additional parameter.
10402 (forget_old_reloads_1): Likewise.
10403 (reload_cse_invalidate_rtx): Likewise.
10404 (reload_cse_check_clobber): Likewise.
10405 (reload_combine_note_store): Likewise.
10406 (move2add_note_store): Likewise.
10407 (reload): Adjust calls to note_stores.
10408 (reload_as_needed): Likewise.
10409 (emit_reload_insns): Likewise.
10410 (reload_cse_regs_1): Likewise.
10411 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
10412 (reload_combine): Adjust calls to note_stores.
10413 * resource.c (update_live_status): Take additional paramter.
10414 (mark_target_live_regs): Adjust calls to note_stores.
10415 * stupid.c (find_clobbered_regs): Take additional parameter.
10416 (stupid_life_analysis): Adjust calls to note_stores.
10418 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
10420 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
10423 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
10426 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
10427 of the variable arm_structure_size_boundary.
10429 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
10431 * alias.c (init_alias_analysis): Allocate reg_known_value and
10432 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
10434 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
10435 * cse.c (cse_main): Call end_alias_analysis.
10436 * haifa-sched.c (schedule_insns): Likewise.
10437 * local-alloc. (update_equiv_regs): Likewise.
10438 * reload1.c (reload_cse_regs): Likewise.
10440 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10442 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
10443 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
10444 mapping from MASK_FPU.
10446 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
10448 * sparc.md (call): Don't bound structure return size to 0xfff.
10450 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
10452 * resource.c (mark_target_live_regs): Check that the target
10453 insn wasn't created after compute_bb_for_insn.
10455 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
10457 * ggc-page.c (poison_pages): Don't be overzealous.
10459 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
10461 * alias.c: Update comments for ADDRESS.
10462 (nonlocal_reference_p): Look inside the ADDRESS to determine if
10463 it is a local memory reference.
10465 * c-typeck.c (build_function_call): Check that the built-in
10466 function is of class BUILT_IN_NORMAL before trying to recongize
10467 it as BUILT_IN_ABS.
10468 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
10469 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
10471 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
10473 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
10475 (pre_gcse): Likewise.
10476 (hoist_expr_reaches_here_p): Likewise.
10477 (hoist_code): Likewise.
10478 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
10480 (pre_expr_reaches_here_p_work): ... here.
10481 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
10483 (expr_reaches_here_p_work): ... here.
10485 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
10487 * resource.c (find_basic_block): Delete.
10488 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
10489 (init_resource_info): Call compute_bb_for_insn.
10491 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
10493 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
10494 with already adjacent blocks, but no fallthru.
10495 (merge_blocks_move_successor_nojumps): Simplify.
10496 (debug_flow_info): New.
10498 * toplev.c (rest_of_compilation): Open jump1 dump file before
10499 jump and close after, as opposed to just using dump_rtl.
10501 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10503 * reload.h (earlyclobber_operand_p): Declare.
10504 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
10505 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
10506 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
10507 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
10509 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
10510 Richard Henderson <rth@cygnus.com>
10512 * emit-rtl.c (emit_block_insn_before): New.
10513 (emit_block_insn_after): New.
10514 * basic-block.h: Declare them.
10516 * bitmap.h: Protect from multiple inclusion.
10518 * recog.c (scratch_operand): Handle VOIDmode correctly.
10520 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
10522 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
10523 * function.c (assign_parms): Likewise.
10524 * global.c (global_conflicts): Clarify STACK_REGS commentary.
10526 * reg-stack.c (max_uid): Remove.
10527 (blocks, block_begin, block_end, block_drops_in): Remove.
10528 (block_stack_in, block_out_reg_set, block_number): Remove.
10529 (struct block_info_def, BLOCK_INFO): New.
10530 (enum emit_where): New.
10531 (current_block): New.
10532 (BLOCK_NUM): Remove.
10533 (mark_regs_pat, record_label_references): Remove.
10534 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
10536 (goto_block_pat, print_blocks, dump_stack_info): Remove.
10537 (reg_to_stack): Simplified test for existance of fp code. Use
10538 flow.c code. Call shorten_branches after cross-jump opt.
10539 (check_asm_stack_operands): Renamed from record_asm_reg_life.
10540 Return false if the asm doesn't use stack regs. Don't do life
10541 analysis on the asm.
10542 (emit_pop_insn): Replace function pointer arg `when' with
10543 enum `where'. Update all callers.
10544 (change_stack): Likewise. Update basic block end.
10545 (emit_swap_insn): Use current_block->head to limit reverse search
10546 for start of block. Use emit_block_insn_after.
10547 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
10548 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
10549 structure assignment instead of bcopy.
10550 (print_stack): New.
10551 (convert_regs_entry, convert_regs_exit): New.
10552 (convert_regs_1, convert_regs_2): Split out from convert_regs.
10553 Work on basic blocks and the CFG.
10554 (convert_regs): Use them.
10556 * i386.c (output_fix_trunc): Remove code for DImode input operand
10557 not at top-of-stack.
10558 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
10560 (fix_truncdi_1): Allow any mode scratch.
10562 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
10564 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
10565 * linux.h, netbsd.h, vms.h: Not here.
10567 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
10569 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
10570 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
10571 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
10572 CONDITIONAL_REGISTER_USEAGE): Use them.
10573 * config/mips/mips.c (mips_move_1word,mips_move_2words,
10574 gen_conditional_branch,override_options) : Use them.
10575 * config/mips/mips.md : Use them.
10577 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
10579 * i386.md (zero_extendqihi2): Use SImode register name with andl.
10581 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
10583 * integrate.c (function_cannot_inline_p): Don't allow inlining
10586 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10588 * c-parse.in (cast_expr): Constify.
10590 * cccp.c (special_symbol): Likewise.
10592 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
10594 * dwarf2out.c (base_type_die): Likewise.
10596 * global.c (allocno_compare): Likewise.
10598 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
10600 * regclass.c (fix_register): Likewise.
10602 * rtl.h (fix_register): Likewise.
10604 * stupid.c (stupid_reg_compare): Likewise.
10606 * toplev.c (decode_f_option): Likewise.
10608 * tree.c (build_complex_type): Likewise.
10610 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
10612 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
10614 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10616 * reload.c (find_reloads): Compute mode and nregs fields of all
10618 * reload1.c (calculate_needs_all_insns): Simplify a bit.
10619 (calculate_needs): Use precomputed mode/nregs values.
10620 (allocate_reload_reg): Likewise.
10622 (failed_reload, set_reload_reg): ... new functions.
10623 (choose_reload_regs_init): New function, mostly broken out from...
10624 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
10625 Also lose one #if 0 block.
10627 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
10629 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
10632 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
10634 * tree.h (BLOCK_TYPE_TAGS): Remove.
10635 (BLOCK_END_NOTE): Likewise.
10636 (BLOCK_LIVE_RANGE_FLAG): Likewise.
10637 (BLOCK_LIVE_RANGE_START): Likewise.
10638 (BLOCK_LIVE_RANGE_END): Likewise.
10639 (tree_block): Remove live_range_flag, live_range_var_flag, and
10640 type_tags. Remove end_note, live_range_start, and live_range_end.
10641 (remember_end_note): Remove prototype.
10642 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
10643 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
10645 * ggc-common.c (ggc_mark_tree_children): Don't mark
10646 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
10647 * integrate.c (adjust_copied_decl_tree): Remove.
10648 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
10649 * stmt.c (last_block_end_note): Remove.
10650 (init_stmt): Don't add a GC root for it.
10651 (expand_fixup): Don't set it.
10652 (remember_end_note): Remove.
10653 (expand_end_bindings): Don't set last_block_end_note.
10655 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10657 * reload1.c (reload_reg_free_for_value_p): Show
10658 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
10661 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
10663 * expmed.c (extract_bit_field): Allow for the case of non-integer
10664 objects that are smaller than a word (like SFmode on a 64-bit
10667 * loop.c (basic_induction_var): A non-integer variable which is
10668 being set by a paradoxical subreg is probably not a biv.
10670 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10672 * prefix.c (translate_name) Check for empty prefix string.
10674 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
10676 * Makefile.in (CPP_CROSS_NAME): New variable.
10677 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
10679 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
10680 names of the files to be uninstalled.
10682 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
10684 * collect2.c (IS_DIR_SEPARATOR): Define.
10685 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
10687 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
10690 * haifa-sched.c (add_dependence): Update the true dependency
10691 cache the first time we add a true dependence to the LOG_LINKS chain.
10693 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
10695 * fold-const.c (fold): Fix comment.
10697 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10699 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
10700 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
10701 dbxout_start_new_source_file, dbxout_source_file,
10702 dbxout_source_line, dbxout_finish, dbxout_type_fields,
10703 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
10705 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
10706 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
10707 (dbxout_block): Initialize variable `blocknum'.
10709 * dbxout.h (dbxout_init, dbxout_finish,
10710 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
10711 dbxout_args, dbxout_source_line): Constify a char*.
10713 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
10714 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
10715 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
10716 low_pc_attribute, high_pc_attribute, body_begin_attribute,
10717 body_end_attribute, comp_dir_attribute, sf_names_attribute,
10718 src_info_attribute, mac_info_attribute, producer_attribute,
10719 lookup_filename, generate_macinfo_entry, fundamental_type_code,
10720 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
10721 dwarfout_undef): Constify a char*.
10722 (add_incomplete_type, retry_incomplete_types): Add prototypes.
10724 * dwarfout.h (dwarfout_define, dwarfout_undef,
10725 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
10727 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
10729 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
10730 (MULTILIB_ISA_DEFAULT): New.
10731 (MULTILIB_DEFAULTS): Use it.
10732 * config/mips/mips.c (): Remove the now unnecessary definition
10733 of MIPS_ISA_DEFAULT.
10734 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
10735 unnecessary definition.
10737 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
10739 * arm.md (pic_load_addr): Add constraints to operand 1.
10741 1999-10-25 Bruce Korb <autogen@linuxbox.com>
10743 * fixinc/genfixes: Provide a means for specifying -D options to
10746 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
10748 * arm.c (arm_override_options): Correct initialization of
10749 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
10750 arm_is_strong, and arm_is_6_or_7.
10752 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
10753 (note_set_pseudo_multiple_uses): New function.
10754 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
10755 if a pseudo set in the loop exit is used elsewhere.
10757 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
10759 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
10761 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
10763 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
10764 a single load-address pattern.
10766 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
10768 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
10769 depending on whether or not line-number notes are present.
10771 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10773 * cccp.c (progname, file_buf, default_include, include_file,
10774 macrodef, definition, hashval, wchar_type, user_label_prefix,
10775 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
10776 expand_to_temp_buffer, is_system_include, base_name,
10777 absolute_filename, read_name_map, open_include_file,
10778 record_control_macro, check_precompiled, check_preconditions,
10779 pcfinclude, pass_thru_directive, create_definition,
10780 check_macro_name, comp_def_part, collect_expansion,
10781 check_assertion, read_token_list, assertion_install,
10782 assertion_lookup, eval_if_expression, conditional_skip,
10783 validate_else, skip_quoted_string, quote_string, macarg1,
10784 error_from_errno, install, lookup, hashf, dump_defn_1,
10785 perror_with_name, pfatal_with_name, main, trigraph_pcp,
10786 check_white_space, rescan, handle_directive, monthnames,
10787 special_symbol, do_include, remap_include_file, write_output,
10788 arglist, do_assert, do_unassert, do_line, do_error, do_once,
10789 do_ident, do_sccs, do_xifdef, skip_if_group,
10790 output_line_directive, macroexpand, macarg, change_newlines,
10791 initialize_builtins, make_definition): Constify a char*.
10793 * pcp.h (stringdef): Likewise.
10795 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
10797 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
10800 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
10801 Richard Henderson <rth@cygnus.com>
10803 * alias.c: Include ggc.h.
10804 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
10805 (record_set): Verify enough room in reg_base_value.
10806 (init_alias_analysis): Allocate reg_base_value with xcalloc.
10807 Register it as a GC root.
10808 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
10809 * Makefile.in (alias.o): Depend on ggc.h.
10811 * unroll.c (unroll_loop): Verify the insn before a barrier
10812 is a JUMP_INSN before checking JUMP_LABEL.
10814 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10816 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
10817 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
10818 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
10819 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
10820 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
10821 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
10823 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10825 * output.h (ctors_section, dtors_section, bss_section): Prototype.
10827 * alpha/alpha-interix.h (text_section): Delete prototype.
10828 * alpha/elf.h (text_section): Likewise.
10829 * arm/linux-elf.h (text_section): Likewise.
10830 * arm/linux-telf.h (text_section): Likewise.
10831 * c4x/c4x.h (text_section): Likewise.
10832 * dsp16xx/dsp16xx.h (bss_section): Likewise.
10833 * elfos.h (text_section): Likewise.
10834 * i386/aix386ng.h (text_section): Likewise.
10835 * i386/i386-interix.h (text_section): Likewise.
10836 * i386/sco5.h (text_section): Likewise.
10837 * i386/svr3gas.h (text_section): Likewise.
10838 * nextstep.h (text_section): Likewise.
10839 * psos.h (text_section): Likewise.
10840 * ptx4.h (text_section): Likewise.
10841 * svr3.h (text_section): Likewise.
10842 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
10844 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10846 * final.c (peephole): Delete prototype.
10848 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
10849 (pre_insert_copies): Remove unused variable `bb'.
10851 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
10854 * output.h (peephole): Add prototype.
10856 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
10858 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
10861 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
10863 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
10864 for inlined declarations.
10866 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
10868 * arm.c (logical_binary_operator): New fucntion.
10869 * arm.h (logical_binary_operator): Declare it.
10870 (PREDICATE_CODES): Handle logical_binary_operator.
10871 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
10872 output constraints. Add appropriate splitters.
10873 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
10874 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
10875 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
10877 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10879 * genoutput.c (struct operand_data): New elt eliminable.
10880 (output_operand_data): Write it.
10881 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
10882 (compare_operands): Take it into account.
10883 * recog.h (struct insn_operand_data): New elt eliminable.
10884 * reload1.c (check_eliminable_occurrences, elimination_effects): New
10886 (old_asm_operands_vec, new_asm_operands_vec): Delete.
10887 (eliminate_regs): Move code that detects changes to elimination
10888 target regs into new function elimination_effects.
10889 Delete one #if 0 block.
10890 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
10891 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
10892 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
10893 Only call eliminate_regs for real operands of the insn, not for parts
10894 of its structure or parts matched by things like match_operator.
10895 Use elimination_effects and check_eliminable_occurrences. Use
10896 copy_insn to duplicate the pattern when not in the final pass.
10898 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
10900 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
10903 1999-10-22 Bruce Korb <autogen@linuxbox.com>
10905 * fixinc/README: document the "mach" machine matching test
10906 * fixinc/fixfixes.c: Implement the #else/#endif label fix
10907 * fixinc/fixtests.c: Implement the #else/#endif label test
10908 * fixinc/inclhack.def: utilize these tests and fixes
10909 * fixinc/inclhack.sh: regen
10910 * fixinc/fixincl.x: regen
10911 * fixinc/fixincl.sh: regen
10913 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
10915 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
10918 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
10920 * gcc.1: Document exit codes.
10922 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10924 * calls.c: Include tm_p.h later, so everything we need is defined.
10925 * expr.c: Likewise.
10926 * function.c: Likewise.
10928 * except.c: Include tm_p.h.
10930 * sparc.c: Likewise.
10931 (dwarf2out_cfi_label): Don't prototype.
10932 (check_return_regs, epilogue_renumber,
10933 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
10934 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
10935 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
10936 ultra_schedule_insn): Add static prototype.
10937 (data_segment_operand, text_segment_operand): Call itself with the
10938 proper number of arguments.
10939 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
10941 * sparc.h: Move all declarations to sparc-protos.h.
10942 (SELECT_RTX_SECTION): Pass a missing MODE argument to
10945 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
10947 * config/svr4.h (text_section, ctors_section, dtors_section): Add
10949 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
10950 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10951 ASM_OUTPUT_ASCII): Constify a char*.
10953 * sparc-protos.h: New file for sparc prototypes.
10955 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10957 * function.c (record_insns, contains): Always declare and define.
10958 (record_insns): Mark with ATTRIBUTE_UNUSED.
10960 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
10962 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
10963 to .section when outputting a .bss section to deal with multiple
10964 .bss input sections (as happens with -fdata-sections)
10965 Also output %progbits, not @progbits so the assembler doesn't treat as
10967 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
10969 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
10970 thumb parts even when building with non-thumb CPUs, by forcing
10973 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
10975 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
10976 (movdf_const_intreg_sp64): Similarly.
10978 * local-alloc.c (update_equiv_regs): Check the correct insn
10979 for pre-existing REG_EQUIV notes.
10981 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
10983 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
10984 block reached by a branch if we're not going to actually process
10987 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
10989 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
10990 a local extern function declaration.
10992 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
10994 * i386.c (ix86_expand_prologue): Properly wrap USE around
10995 reg for CALL_INSN_FUNCTION_USAGE.
10997 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
10999 * config/mips/mips.md (movdf_internal1a): Allow floating-point
11000 move between GP_REGs.
11002 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
11004 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
11005 the mode size when finding out if an offset is legal.
11007 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
11009 * basic-block.h (PROP_*): Move constants from ...
11010 * flow.c: ... here.
11011 (compute_bb_for_insn): Free the array before reallocating.
11012 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
11013 (allocate_reg_life_data): Reset all reg variables collected by
11015 (get_block_head_tail): Don't convert from bb to block.
11016 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
11017 (find_insn_reg_weight): Take block not bb.
11018 (schedule_block): Don't set block num for moved insns.
11019 (schedule_region): Don't update_life_info or find_insn_reg_weight.
11020 (schedule_insns): Do it here instead.
11021 * combine.c (combine_instructions): Invoke compute_bb_for_insn
11022 before update_life_info.
11023 * recog.c (split_all_insns, peephole2_optimize): Update for
11024 new arg to update_life_info.
11025 * rtlanal.c (remove_note): Cope with NULL note.
11026 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
11029 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
11031 * jump.c (jump_optimize_1): More accurately detect casesi insns.
11033 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
11034 block records so that merge_blocks_nomove will clean up correctly.
11035 (split_edge): Handle casesi insns.
11037 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
11039 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
11041 * pa.md (call, call_value): Do not emit a blockage after restoring
11044 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
11046 * c-typeck.c (c_expand_asm_operands): Fix typo.
11048 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11050 * arm.c (fpu_rhs_operand): Verify modes.
11051 (fpu_add_operand): Likewise.
11052 (di_operand): Likewise.
11053 (soft_df_operand): Likewise.
11055 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
11057 * arm.c (arm_return_in_memory): APCS rules state that the elements
11058 of a structure returned in a register must be 'integer-like'.
11060 1999-10-19 Bruce Korb <autogen@linuxbox.com>
11062 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
11063 in the source tree when the generated targets are out of date
11064 * fixinc/genfixes: Alter it to run individual fixes for make.
11065 * fixinc/README: rewrite
11066 * fixinc/inclhack.def: moved initial comments to README
11068 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
11070 * toplev.c (main): Do not generate an error message if an
11071 unrecognised command line switch is recognisable by another
11072 language. If extra_warnings are enabled, then generate a
11073 warning message instead.
11075 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
11077 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
11078 (insert_pack_attributes): Delete prototype.
11080 * c-pragma.c (default_alignment): New static variable.
11081 (push_alignment): Initialize to current effective alignment.
11082 (pop_alignment): Use to set new alignment.
11083 (insert_pack_attributes): Delete function.
11084 (handle_pragma_token): Set default_alignment as well each time
11085 a #pragma pack(<n>) is encountered.
11087 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
11089 * reg-stack.c (stack_result): Aggregates are not returned in
11092 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
11094 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
11096 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
11098 * basic-block.h (set_block_num): Declare.
11099 * flow.c (update_life_info): Don't call compute_bb_for_insn
11100 or free_basic_block_vars.
11101 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
11102 (insn_orig_block): Remove.
11103 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
11104 (schedule_block): Keep BLOCK_NUM up-to-date.
11105 (schedule_insns): Use compute_bb_for_insn.
11106 * recog.c (split_all_insns): Likewise.
11107 (peephole2_optimize): Likewise.
11109 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
11111 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
11112 if the pic register is used.
11114 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11116 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
11117 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
11118 if that tests TREE_PERMANENT.
11120 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
11122 * cse.c (invalidate_for_call): Do not remove memory references from
11123 the table here. It's handled elsewhere.
11125 * haifa-sched.c (add_dependence): Protect references to the
11126 true dependency cache with #ifdef INSN_SCHEDULING.
11127 (remove_dependence): Similarly.
11129 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
11130 to the cfg code that this is a return instruction.
11131 * mn10300.md (return_internal): Similarly.
11133 * combine.c (get_last_value): If the last set of a register
11134 is after subst_low_cuid, then we can not use it to determine
11135 the register's last value.
11137 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11139 * Makefile.in: Back out previous change.
11141 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
11143 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
11145 * haifa-sched.c (add_dependence): Only check/update the cache
11147 (remove_dependence): Likewise.
11148 (schedule_insns): Only create the true_dependency_cache if the
11149 average number of instructions in a basic block is very large.
11151 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11153 * Makefile.in (ggc-common.o): Depend on genrtl.h.
11154 (ggc-simple.o): Likewise.
11155 (ggc-page.o): Likewise.
11157 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
11159 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
11160 Prototype for exported functions.
11161 (pre_lcm, pre_rev_lcm): Remove prototypes.
11162 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
11163 (compute_available): Move to lcm.c, and change parameter order.
11164 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
11165 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
11166 (gcse_main): No longer call compute_preds_succs. Rebuild the
11167 set table after reach pre pass.
11168 (pre_insert_map, pre_delete_map, edge_list): New.
11169 (alloc_pre_mem): Allocate edge vectors.
11170 (free_pre_mem): Delete edge vectors.
11171 (compute_pre_data): Call new edge based lcm routines.
11172 (process_insert_insn): New function.
11173 (insert_insn_end_bb): Use it.
11174 (pre_edge_insert): New function.
11175 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
11177 (pre_insert_copies): Revamp using new edge based lcm outputs.
11178 (pre_delete): Likewise.
11179 (one_pre_gcse_pass): Insert & remove fake edges to the exit
11181 (compute_code_hoist_vbeinout): New new edge based routines.
11182 * lcm.c: Remove all the old LCM functions. Replace with new ones
11183 that work with the new cfg datastructures and work with edges
11186 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11188 * reload.h (struct reload): Add new fields "mode" and "nregs".
11189 * reload1.c: Change all occurrences of reload_mode and reload_nregs
11190 to reference the "mode" and "nregs" field within struct reload.
11192 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
11194 * haifa-sched.c (true_dependency_cache): New.
11195 (add_dependence): Use the true dependency cache to avoid expensive
11196 walks down the LOG_LINKS dependency list. Add entries to the
11197 cache as necessary.
11198 (remove_dependence): Remove entries from the true dependency cache
11200 (schedule_insns): Allocate and initialize and free the true
11203 * haifa-sched.c (schedule_insns): Do not remove inter-block
11204 dependencies anymore.
11206 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
11208 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
11209 * i386/t-winnt: Likewise.
11211 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
11213 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
11215 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
11217 * Makefile.in (LANGUAGES): Omit "proto".
11218 (clean): Remove stale comment about removing unprotoize.c.
11220 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11222 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
11223 using arithmetic on void pointers.
11225 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
11227 * haifa-sched.c (compute_block_forward_dependencies): Only check
11228 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
11230 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
11232 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
11233 (expr_equiv_p): Reject memories with different alias sets.
11235 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
11237 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
11238 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
11239 (f_options): Add "bounded-pointers" and "bounds-check" entries.
11240 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
11241 (lang_init): Set default for flag_bounds_check if still "unspecified".
11243 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11245 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
11247 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11249 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
11252 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11254 * config/c4x/c4x.md (*db_noclobber,
11255 *decrement_and_branch_until_zero_noclobber): New patterns and
11256 associated splitters.
11258 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11260 * config/c4x/c4x.md (parallel instruction patterns): Rework
11261 constraints to keep reload happy.
11263 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11265 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
11266 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
11267 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
11268 Add new patterns and associated post-reload splitters.
11270 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11272 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
11274 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11276 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
11278 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
11280 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11282 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
11285 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
11287 * pa.c (move_operand): Rely on memory_address_p to determine the
11288 validity of non-indexed memory addresses.
11289 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
11290 operand in DFmode and SFmode when generating PA2.0 code.
11292 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
11294 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
11296 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
11298 * mips.c (function_prologue): Fix argument types.
11299 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
11300 (casesi_internal): Write to the scratch register.
11302 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
11304 * cppexp.c (cpp_parse_escape): Make static. Change second arg
11306 (parse_charconst): Delete unnecessary cast when calling
11308 (cpplib.h): Kill prototype of cpp_parse_escape.
11310 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
11312 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
11313 * unroll.c (unroll_loop): Cast return value of alloca.
11314 * i370/i370.c: Include function.h and toplev.h.
11315 (i370_label_scan): Remove c++ commented abort.
11316 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
11317 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
11318 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
11319 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
11321 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
11323 * config/t-freebsd: Do not override USER_H.
11324 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
11326 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
11327 Mumit Khan <khan@xraylith.wisc.edu>
11329 * c-parse.in (component_decl): Support anonymous struct/union.
11331 * c-parse.y: Regenerate.
11332 * c-parse.c: Likewise.
11333 * objc/objc-parse.y: Likewise.
11334 * objc/objc-parse.c: Likewise.
11335 * c-decl.c (finish_struct): Don't sort the fields.
11336 (field_decl_cmp): Delete unused function.
11338 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
11340 * sparc.md (movsf_const_intreg): Revert last constraint change.
11341 (movdf_const_intreg_sp32): Likewise.
11343 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
11345 * cse.c: Include hashtab.h instead of splay-tree.h
11346 (struct cse_reg_info): No longer use variant union. Add new
11347 field "regno". All references changed to avoid union.
11348 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
11349 (free_cse_reg_info): Remove.
11350 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
11351 (get_cse_reg_info): Revamp to use expandable hash tables instead
11352 of splay trees. Initialize new fields in cse_reg_info structure.
11353 (new_basic_block): Similarly.
11355 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
11357 * genrecog.c (message_with_line): Prototype.
11358 (validate_pattern): Pass along the set for the dest, not a flag.
11359 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
11360 Check for PC/CC0 as sources.
11361 (nodes_identical): Check for children position match before
11362 allowing the combination.
11364 * rtl.c (read_rtx): Track line number across \\\n.
11366 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
11368 * mips.h (SPECIAL_MODE_PREDICATES): New.
11369 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
11370 (movdi+1, movsi+1): Add output reload constraint.
11371 (casesi_internal): Likewise. Fix commentary.
11372 (return_internal): Use pmode_register_operand.
11374 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
11376 * 1750a.md (movstrqi): Add missing output reload constraint.
11377 (call_value): Likewise.
11378 * a29k.md (cpxxx patterns): Add missing match_operator mode.
11379 (jmpfdec): Add missing inout reload constraint.
11380 * elxsi.md (addsi patterns): Add missing output reload constraint.
11381 (move from sp): Use @ alternates.
11382 (call_value): No constraint on output.
11383 * fr30.md (movsi_pop): Add missing output reload constraint.
11384 (movsf_constant_store): Likewise.
11385 (splits): Remove constraints.
11386 (subsi3): Add missing mode.
11387 * i370.md (cmpstrsi+1): Add missing output reload constraint.
11388 (call_value): Likewise.
11389 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
11390 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
11391 * m32r.md (movsicc_internal): Add output reload constraint.
11392 (movstrsi_internal): Add inout reload constraints.
11393 * m88k.h (reg_names): Don't declare.
11394 (SPECIAL_MODE_PREDICATES): New.
11395 * m88k.md (*): Use register_operand not reg_or_0_operand
11397 * mn10200.h (PREDICATE_CODES): New.
11398 * ns32k.md (ffs pattern): Add output reload constraint.
11399 * pdp11.md (sob pattern): Add inout reload constraint.
11400 * sh.md (splits): Remove constraints.
11401 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
11402 * v850.md (pattern_is_ok_for_epilogue): Likewise.
11403 * vax.md (jgequ pattern): Add inout reload constraint.
11405 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
11407 * configure.in (djgpp): Revert previous patch.
11408 * configure: Rebuit.
11409 * config/i386/djgpp.h: Revert previous patch.
11411 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
11413 * fixinc/inclhack.def: Restore patch lost during last merge of
11414 "no_bogosity" branch.
11415 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
11417 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
11419 * fixincludes: Add a HPUX 11 fix for inttypes.h.
11420 * fixinc/inclhack.def: Same.
11421 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
11423 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
11425 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
11426 as the base of a PLUS.
11428 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11430 * config/c4x/c4x.md: Define mode for remaining unspec operators.
11431 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
11433 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
11435 * pa.md (post_stw+1): Use pmode_register_operand.
11436 (dcacheflush, icacheflush): Likewise.
11438 * i386.md (movstricthi_1): Allow r/r.
11440 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
11442 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
11443 to (not (and (arg0) (arg1))). Similary for and.
11445 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
11446 fallthrough to associate code.
11447 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
11450 * combine.c (simplify_logical): Convert XOR to IOR if operands have
11451 no bits in common; remove XOR to ROTATE conversion.
11453 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11455 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
11457 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11459 * config/c4x/c4x.c (dst_operand): New.
11460 (PREDICATE_CODES): Update.
11461 * config/c4x/c4x.h (dst_operand): Declare it.
11462 * config/c4x/c4x.md: Define mode for each unspec usage.
11463 (move patterns): Use dst_operand predicate instead of src_operand.
11464 (movqi_update, movqf_update): Delete.
11466 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
11468 * recog.c (pmode_register_operand): New.
11469 * recog.h: Declare it.
11470 * genrecog.c (pred_codes): Likewise.
11471 (special_mode_pred_table): Likewise.
11472 (validate_pattern): Don't warn no mode for address_operand.
11474 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
11475 if the operand is not insn-like.
11477 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
11478 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
11480 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
11482 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
11484 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
11485 instead of general_operand in a SET_DEST. Use const_double_operand
11486 instead of an explicit test against CONST_DOUBLE.
11487 (movsf_const_lo): Add missing register mode.
11488 (goto_handler_and_restore): Add auxiliary test for Pmode.
11489 (flush): Adjust to use address_operand.
11490 (return_sf_no_fpu): Add missing output constraint.
11492 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
11494 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
11495 for call return value.
11496 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
11498 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
11500 * toplev.c (main): Only warn about options for other languages.
11501 * collect2.c (main): Pass -w to sub-gcc.
11503 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
11505 * flow.c (propagate_block): Add call-clobbered registers to
11508 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
11509 zapping mem_set_list.
11510 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
11511 (mark_set_1, mark_used_regs): Likewise.
11513 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
11515 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
11517 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11519 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
11520 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
11521 options. Also add a new item "C-only Warning Options" to the
11524 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
11526 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
11527 from multiple calls.
11529 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
11531 * i386.md (call value patterns): Move to the end of the file.
11532 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
11534 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
11536 * configure.in (djgpp configuration): Define extra_objects..
11537 * configure: Rebuilt.
11538 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
11539 (DTORS_SECTION_ASM_OP): Define.
11540 (INIT_SECTION_ASM_OP): Define.
11541 (FINI_SECTION_ASM_OP): Define.
11542 (DATA_SECTION_ASM_OP): Define.
11543 (TEXT_SECTION_ASM_OP): Define.
11544 (EH_FRAME_SECTION_ASM_OP): Define.
11545 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
11546 (STARTFILE_SPEC): Add crtbegin.o.
11547 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
11548 to here from LINK_COMMAND_SPEC.
11549 (DO_GLOBAL_CTORS_BODY): Define.
11550 (CRTSTUFF_USE_FINI_SECTION): Define
11551 (HAS_INIT_SECTION): Delete.
11553 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
11555 * Makefile.in (all.cross): Depend on xcpp$(exeext).
11557 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
11559 * pa.h (PREDICATE_CODES): New.
11561 * genrecog.c (validate_pattern): Condense the destination
11562 non-lvalue message.
11564 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
11566 * alpha.md (call-1): Supply missing mode for operator.
11567 (*): Add missing output reload constraints. Remove constraints
11568 from define_splits.
11570 * i386.h (SPECIAL_MODE_PREDICATES): New.
11571 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
11572 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
11573 (addsi_lea_3): Add missing mode for op 3.
11574 (prologue_set_got, prologue_get_pc): Add missing modes.
11575 (*) Add missing output reload constraints.
11577 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
11579 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
11580 check for member bit-size overflow and use var_size if it occurs.
11581 (layout_record): Use bitsize_int() to define the type size in bits.
11582 Likewise for computation and assignment to DECL_FIELD_BITPOS.
11583 (layout_decl): Likewise when assigning to DECL_SIZE.
11585 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
11587 * genrecog.c (validate_pattern): Typo last change. Verify
11588 that output operands have output reloads.
11590 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
11592 * genrecog.c (special_mode_pred_table): New.
11593 (NUM_SPECIAL_MODE_PREDS): New.
11594 (find_operand): New.
11595 (validate_pattern): New argument `insn'. Warn for assignment to
11596 any predicate accepting non-lvalues. Conditionaly warn for
11597 match_operand without a mode. Try much harder to match source
11598 and destination modes on a set.
11599 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
11601 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
11603 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
11605 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
11607 * combine.c (simplify_logical): Recognize xor pattern that encodes
11610 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11612 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
11615 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
11617 * ggc-page.c (MAP_FAILED): Provide default.
11619 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
11621 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
11622 * sparc.h (PREDICATE_CODES): Update.
11624 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
11626 * alpha.c (some_ni_operand): New.
11627 * alpha-protos.h: Declare it.
11628 * alpha.h (PREDICATE_CODES): Update.
11629 * alpha.md (sXaddq reload insns): Use some_ni_operand
11630 for SET_DEST instead of some_operand.
11632 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
11633 Jim Wilson <wilson@cygnus.com>
11635 * genrecog.c (maybe_both_true_2): Don't compare modes of
11637 (process_tree): Elide peephole2_insns. Invoke simplify_tests
11638 after find_afterward.
11639 (debug_decision_1): Dump next and afterward codes.
11641 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
11643 * rtl.c (dump_and_abort): Remove.
11644 (fatal_with_file_and_line): New.
11645 (fatal_expected_char): New.
11646 (read_rtx_lineno, read_rtx_filename): New.
11647 (read_skip_spaces): Track line number.
11648 (read_name): Use fatal_with_file_and_line.
11649 (read_rtx): Use fatal_expected_char. Track line number.
11650 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
11652 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
11653 if it isn't a CODE_LABEL.
11655 * genattr.c (main): Set read_rtx_filename.
11656 * genattrtab.c (main): Likewise.
11657 * gencodes.c (main): Likewise.
11658 * genconfig.c (main): Likewise.
11659 * genemit.c (main): Likewise.
11660 * genextract.c (main): Likewise.
11661 * genflags.c (main): Likewise.
11662 * genopinit.c (main): Likewise.
11663 * genoutput.c (main): Likewise.
11664 * genpeep.c (main): Likewise.
11666 * genrecog.c (decision_test.u.insn): Add `lineno'.
11667 (pattern_lineno, error_count): New variables.
11668 (message_with_line): New.
11669 (add_to_sequence): Break out checking code to ...
11670 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
11671 (merge_insn): Use message_with_line.
11672 (make_insn_sequence): Use validate_pattern. Record insn lineno.
11673 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
11675 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11677 * expr.c (store_constructor): Clear union if constructor is empty.
11679 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
11681 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
11682 Add !endian checks. Change %{...} to %(...).
11684 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
11686 * i386.md (*addsi3_cc): Renamed from addcsi3.
11687 (*addsi3_carry): Renamed from addxsi3.
11688 (*subsi3_cc): Renamed from subcsi3.
11689 (*subsi3_carry): Renamed from subxsi3.
11690 (*xorqi_cc_1): Renamed from xorcqi_1.
11691 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
11692 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
11694 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
11696 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
11697 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
11699 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
11701 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
11702 climb up the chain of insns.
11704 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
11706 * genrecog.c (write_subroutine): Careful for null trees.
11707 (process_tree): Don't elide empty functions.
11709 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
11711 * Makefile.in (genrtl.o): Depend on ggc.h.
11712 * configure.in (valloc): Probe for it.
11713 (with-gc): Use ggc-page if valloc present.
11714 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
11715 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
11716 (ggc_alloc_string): Moved from ggc-page.c.
11717 * ggc-none.c (ggc_alloc_obj): New.
11718 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
11719 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
11720 (struct globals): Likewise for dev_zero_fd.
11721 (init_ggc): Likewise for it's initialization.
11722 (ggc_allocated_p): Move careful dereference from ...
11723 (ggc_lookup_page_table): ... here. Delete.
11724 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
11725 (alloc_anon): Use valloc if no mmap.
11726 (release_pages): Use free if using valloc.
11727 (ggc_alloc_obj): Renamed from alloc_obj.
11728 (ggc_set_mark): Renamed from mark_obj.
11729 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
11730 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
11731 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
11732 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
11733 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
11734 (ggc_collect): Use fp printing instead of our own rounding.
11735 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
11736 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
11737 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
11738 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
11739 (struct ggc_string, struct ggc_any): Delete.
11740 (offsetof): Provide default definition.
11741 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
11743 (struct ggc_mem): New, from corpse of ggc_any.
11744 (struct ggc_status): Delete.
11745 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
11746 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
11747 (n_strings_collected, n_anys_collected): Delete.
11748 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
11749 (ggc_alloc_string, ggc_alloc): Delete.
11750 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
11751 (ggc_free_string, ggc_free_any): Delete.
11752 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
11753 (ggc_compare_addresses, ggc_mark_string): Delete.
11754 (ggc_mark_string_if_gcable, ggc_mark): Delete.
11755 (search_data): Delete.
11756 (struct globals): New.
11757 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
11758 (tree_insert, tree_lookup): New.
11759 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
11760 (clear_marks, sweep_objs): New.
11761 (ggc_collect): Gut. Use clear_marks, sweep_objs.
11762 (init_ggc): Set allocated_last_gc.
11763 (ggc_push_context): Gut. Use G.context.
11764 (ggc_pop_context): Likewise.
11765 (ggc_pop_context_1): New.
11766 (debug_ggc_tree): New.
11767 (debug_ggc_balance, tally_leaves): New.
11768 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
11769 (ggc_mark_string_if_gcable): Remove decl.
11770 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
11771 (ggc_mark_rtvec_children): New.
11772 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
11773 (ggc_mark_if_gcable): New decl.
11774 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
11775 (ggc_alloc_tree, ggc_alloc): Likewise.
11776 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
11777 (ggc_alloc_obj): New decl.
11778 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
11779 (ggc_alloc_tree, ggc_alloc): Likewise.
11780 (ggc_set_mark): New decl.
11781 * rtl.h (struct rtx_def): Remove gc_mark.
11782 (struct rtvec_def): Likewise.
11783 * tree.h (struct tree_common): Likewise.
11785 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
11787 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
11788 float_format and thread_file definitions.
11789 * configure: Rebuilt.
11791 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
11793 * extend.texi (Function Names): Document types of function names.
11795 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11797 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
11798 an earlyclobbered output conflict with RELOAD_INPUT reloads.
11800 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11802 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
11804 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11806 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
11808 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
11810 * collect2.c (main): Do prelimnary link on AIX if rflag.
11812 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11814 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
11815 __CTOR_LIST__ in opposite order, which is the correct order for sorted
11817 (__do_global_dtors): similarly for __DTOR_LIST__.
11819 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11820 Diego Novillo <dnovillo@cygnus.com>
11822 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
11825 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
11827 * fixincl/*: Merged "no_bogosity" branch
11828 * fixincl/fixlib.h: protect against doubly defining t_bool
11829 * fixincl/server.h: protect against doubly defining t_bool
11831 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
11833 * genoutput.c: Include toplev.h.
11835 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
11837 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
11839 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
11840 * configure: Regenerate.
11842 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
11844 * gcse.c (delete_null_pointer_checks): Returns void.
11846 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11848 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
11849 * emit-rtl.c (copy_insn_1): Likewise.
11851 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
11853 * config/mips/mips.c (mips_build_va_list): Correct
11854 TREE_CHAIN setting when hard-float.
11855 (mips_va_start): Use corrected setting.
11856 (mips_va_arg): Likewise. Also pass a tree to build of
11857 POSTINCREMENT_EXPR rather than a naked 'int'.
11859 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
11861 * ggc.h (ggc_push_context): Fix comment.
11862 (ggc_pop_context): Likewise.
11863 (mark_string_if_gcable): Likewise.
11864 * ggc-common.c (ggc_mark_rtx_children): Use
11865 ggc_mark_string_if_gcable.
11866 * ggc-page.c (ggc_lookup_page_table): New function.
11867 (ggc_allocated_p): Likewise.
11868 (mark_obj): Fix formatting.
11869 (ggc_mark_string_if_gcable): New function.
11870 * ggc-simple.c (ggc_allocated_strings): New variable.
11871 (ggc_strings_used): Likewise.
11872 (ggc_compare_addresses): New function.
11873 (ggc_pop_context): Pop the `any' memory too.
11874 (ggc_mark_string_if_gcable): New function.
11875 (ggc_collect): Initialize and tear down ggc_allocated_strings.
11877 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
11879 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
11880 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
11881 * rs6000.c (expand_block_move): Match movstrsi_?reg register
11884 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
11886 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
11887 (sched_reg_live_length, sched_reg_basic_block): Delete.
11888 (current_block_num, bb_live_regs, old_live_regs): Delete.
11889 (dead_notes, struct sometimes): Delete.
11890 (sched_note_set, birthing_insn_p): Delete.
11891 (adjust_priority): Gut useless reg lifetime code.
11892 (create_reg_dead_note, attach_deaths): Delete.
11893 (attach_deaths_insn, new_sometimes_live): Delete.
11894 (finish_sometimes_live): Delete.
11895 (find_pre_sched_live, find_post_sched_live): Delete.
11896 (update_reg_usage): Delete.
11897 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
11898 (schedule_insns): Delete reg lifetime code.
11899 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
11900 (unlink_other_notes): Adjust REG_NOTE commentary.
11901 (reemit_notes): Use REG_SAVE_NOTE.
11902 (schedule_block): Likewise.
11903 (schedule_region): Allocate bitmap of blocks in region. Use
11904 count_or_remove_death_notes. Use update_life_info.
11906 * rtl.h (REG_SAVE_NOTE): New.
11907 * rtl.c (reg_note_name): Update.
11909 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
11911 * combine.c (refresh_blocks, need_refresh): New.
11912 (combine_instructions): Allocate refresh_blocks. Invoke
11913 update_life_info if needed.
11914 (distribute_notes): Mark refresh_blocks instead of installing
11916 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
11917 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
11919 * Makefile.in (recog.o): Depend on basic-block.h.
11921 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
11923 * genrecog.c (add_to_sequence): Thinko last change: delete
11924 shadowing allow_const_int variable.
11926 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11928 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
11929 __GNUC__ and __GNUC_MINOR__.
11931 * gansidecl.h: Likewise.
11937 * toplev.h: Likewise.
11939 * tree.c: Likewise.
11941 * tree.h: Likewise.
11943 * varray.c: Likewise.
11945 * varray.h: Likewise.
11947 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11949 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
11950 use one before a jump table.
11952 * rtl.def (ADDRESS): Change documentation to match reality.
11953 * md.texi: Don't document it.
11954 * gmicro.md (load address pattern): Use 'p' constraint, delete use
11957 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
11959 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
11961 * genrecog.c (add_to_sequence): Move allow_const_int test outside
11962 known predicate block; default allow_const_int true.
11963 (debug_decision_list): New.
11965 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
11967 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
11969 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
11971 * gcse.c (gcse_main): Avoid global optimizations if we have a
11972 large number of basic blocks and the ratio of edges to blocks
11974 (delete_null_pointer_checks): Likewise.
11976 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
11978 * c-common.c (check_format_info): Warn if format string isn't a
11981 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11983 * configure.in (arm*-*-*): Don't let autoconf remove brackets
11984 * configure: regenerate
11986 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
11988 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
11989 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
11990 (peepholes): Re-enable.
11992 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
11994 * Makefile.in (flow.o): Depend on TREE_H.
11995 * basic-block.h (REG_SET_EQUAL_P): New.
11996 (XOR_REG_SET): New.
11997 (n_edges): Declare.
11998 (free_regset_vector): Remove declaration.
11999 (flow_delete_insn_chain): Declare.
12000 (enum update_life_extent): New.
12001 (update_life_info, count_or_remove_death_notes): Declare.
12002 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
12003 Verify register live at bb->global_live_at_start before adding USE.
12004 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
12005 (CLEAN_ALLOCA): New.
12007 (PROP_*): New flags.
12008 (find_basic_blocks_1): Use alloc_EXPR_LIST.
12009 (clear_edges): Zero n_edges.
12010 (make_edge): Increment n_edges.
12011 (split_edge): Don't allocate bb->local_set. Increment n_edges.
12012 (flow_delete_insn_chain): Export.
12013 (delete_block): Decrement n_edges.
12014 (merge_blocks_nomove): Likewise.
12015 (life_analysis): Give life_analysis_1 PROP flags.
12016 (verify_wide_reg_1, verify_wide_reg): New.
12017 (verify_local_live_at_start): New.
12018 (update_life_info): Rewrite to call into propogate_block.
12020 (mark_regs_live_at_end): After reload, if epilogue as rtl,
12021 always mark stack pointer. Conditionally mark PIC register.
12022 After reload, mark call-saved registers, return regsiters.
12023 (life_analysis_1): Accept PROP flags not remove_dead_code.
12024 Call mark_regs_live_at_end before zeroing regs_ever_live.
12025 Use calculate_global_regs_live. Copy global_live_at_end before
12026 calling final propagate_block. Zero reg_next_use on exit.
12027 (calculate_global_regs_live): New.
12028 (allocate_bb_life_data): Don't allocate bb->local_set.
12029 (init_regset_vector, free_regset_vector): Remove.
12030 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
12031 Test flags before every operation. Warn if prologue/epilogue insn
12032 would have been deleted.
12033 (mark_set_regs, mark_set_1): Accept and use FLAGS.
12034 Use alloc_EXPR_LIST.
12035 (mark_used_regs): Accept and use FLAGS, not FINAL.
12036 Remove special handling for RETURN.
12037 (try_pre_increment): Use alloc_EXPR_LIST.
12038 (dump_flow_info): Dump n_edges.
12039 (unlink_insn_chain, split_hard_reg_notes): Remove.
12040 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
12041 (find_insn_with_note, new_insn_dead_notes): Remove.
12042 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
12043 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
12044 (replace_insns): Remove.
12045 (count_or_remove_death_notes): New.
12046 (verify_flow_info): Abort on error after all checks.
12047 (remove_edge): Decrement n_edges.
12048 (remove_fake_edges): Tweek format.
12049 * haifa-sched.c (schedule_insns): Use split_all_insns.
12050 * output.h (update_life_info): Remove declaration.
12051 * recog.c (split_all_insns): From the corpse of split_block_insns,
12052 do the whole function block by block. Use update_life_info.
12053 (recog_last_allowed_insn): New.
12054 (recog_next_insn): Mind it.
12055 (peephole2_optimize): Set it. Walk backwards through blocks.
12056 Use update_life_info.
12057 * rtl.h (update_flow_info, replace_insns): Remove declarations.
12058 (split_all_insns): Declare.
12059 * toplev.c (rest_of_compilation): Thread prologue before flow2.
12060 Use split_all_insns.
12062 * i386.md (or -1 peep2s): Disable.
12064 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
12066 * config/mips/mips.md (movstrsi+[123]) : Combine these into
12067 a single pattern. Scrap the 'd' versions as unnecessary.
12069 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
12070 tablejump_mips162,tablejump_internal4): The operands to a
12071 label_ref must be VOIDmode.
12073 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12075 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
12077 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12079 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
12081 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12083 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
12084 cache every function if ggc_p.
12086 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12088 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
12089 instead of copy_rtx. Accept sequences that contain asm statements.
12090 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
12091 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
12092 orig_asm_operands_vector, copy_asm_operands_vector,
12093 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
12095 * rtl.h (copy_insn, copy_insn_1): Declare.
12097 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12099 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
12101 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
12102 arguments to `current_file_function_operand'.
12104 * genrecog.c: Include hard-reg-set.h and resource.h in the
12105 generated output file.
12107 * real.c: Include tm_p.h.
12109 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12111 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
12114 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
12116 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
12117 before the fctiwz insn.
12119 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12120 Mark Mitchell <mark@codesourcery.com>
12122 * tree.c (make_lang_type_fn): New funtion pointer.
12123 (make_lang_type): Call it.
12124 * tree.h (make_lang_type): Declare.
12125 (make_lang_type_fn): Likewise.
12126 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
12128 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
12130 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
12131 make sure that HIGH instructions are copied into BASE_REGS.
12133 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
12135 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
12137 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
12139 * c-decl.c (finish_struct): Use simpler method of
12140 removing elements of a singly-linked list.
12142 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
12144 * alpha.md (peephole2's): Comment out peephole2's that generate
12147 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
12149 * genrecog.c (add_to_sequence): Disable mode check for
12152 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12154 * ggc-simple.c (init_ggc): Set empty_string.
12156 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
12158 * configure.in: Detect mmap. Add --with-gc=foo to select
12159 garbage collector; default to page if mmap available.
12160 * Makefile.in (GGC): Substitute.
12162 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
12164 * c-decl.c (ggc_p): Enable.
12166 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12168 * flow.c (verify_flow_info): Make it extern & unconditionally define.
12170 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
12172 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
12173 string for little-endian-data.
12175 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
12177 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
12178 case somebody tries to compile --enable-checking code with gcc
12181 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
12183 * genrecog.c (add_to_sequence): Verify operand to label_ref is
12186 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
12188 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
12189 * jump.c (jump_optimize_1): Document why.
12191 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12193 * collect2.c (scan_prog_file, scan_libraries): Prototype function
12194 pointers and casts for `int_handler' and `quit_handler'.
12196 * flow.c (verify_flow_info, split_hard_reg_notes,
12197 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
12198 remove_edge, remove_fake_successors): Add static prototypes.
12199 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
12200 (mark_set_1): Initialize variable `regno'.
12201 (unlink_insn_chain): Likewise for variable `curr'.
12202 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
12204 * loop.c (strength_reduce): Initialize variable
12205 `unrolled_insn_copies'.
12206 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
12207 prototypes. Change these functions to take const PTR parameters
12208 to avoid prototype conflict when used as the comparson argument
12210 (check_dbra_loop): Initialize variable `comparison_val'.
12212 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
12213 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
12214 (find_valid_class): Initialize variable `best_class'.
12215 (find_reloads): Call memcpy, not bcopy.
12217 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
12218 (hard_reg_use_compare): Don't needlessly cast away const.
12219 (reload_reg_class_lower): Likewise.
12220 (choose_reload_regs): Initialize variable `regno'.
12222 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
12224 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
12226 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
12228 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
12229 ({,d}discard): Add forward declarations. Declare parameter as
12231 (main_without_main): Explicitly declare return type to be int.
12232 (memcpy): Properly declare.
12234 * libgcc2.c (toplevel): If inhibit_libc is defined and not
12235 building the trampoline support, declare malloc, free, and
12237 (__clear_cache): Mark arguments as potentially unused.
12239 * frame.c (toplevel): If inhibit_libc is defined, declare
12242 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
12244 * flow.c (make_edge): Accept an optional 2D bitmap in which
12245 to cache edge existence. Update all callers.
12246 (make_label_edge, make_eh_edge): Pass through the edge cache.
12247 (make_edges): Provide the cache.
12249 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12251 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
12253 (local_mbtowc): Change the type of variable `i' from int to size_t.
12255 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
12256 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
12258 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
12260 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
12261 after other includes that define the appropriate types. Include
12262 tm_p.h for getting user prototypes.
12263 * ggc-callbacks.c (toplevel): Ditto.
12264 * ggc-none.c (toplevel): Ditto.
12265 * gcc-page.c (toplevel): Ditto.
12266 * ggc-simple.c (toplevel): Ditto.
12268 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
12269 Jonathan Larmour <jlarmour@cygnus.co.uk>
12271 * config/mips/mips.c (mips_move_2words): Split doubles if
12272 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
12274 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
12276 * genrecog.c (struct decision_test): New.
12277 (struct decision): Remove test-related members, sort the rest by size.
12278 (IS_SPLIT): Simplify.
12279 (new_decision, new_decision_test): New.
12280 (add_to_sequence): Use them. No special handling for args of
12282 (maybe_both_true): Renamed from not_both_true; return sense changed.
12283 (maybe_both_true_1, maybe_both_true_2): New. Broken out
12284 of maybe_both_true and adjusted for decision_test.
12285 (position_merit): Remove.
12286 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
12287 (merge_accept_insn): New, broken out of merge_trees.
12288 (merge_trees): Use them. No special case for c_test; no node
12289 splitting; use test type instead of position_merit.
12290 (factor_tests): New.
12291 (simplify_tests): New.
12292 (break_out_subroutines): Don't write code now.
12293 (find_afterward): New.
12294 (write_afterward, write_switch, write_cond): New.
12295 (write_action, is_unconditional): New.
12296 (write_node): New. Use them.
12297 (write_tree_1): Rewrite. Use the new functions above.
12298 (write_tree): Remove afterward processing.
12299 (write_subroutine): Simplify function variant emission.
12300 (write_subroutines): New.
12301 (same_codes, clear_codes): Remove.
12302 (same_modes, clear_modes): Remove.
12303 (write_header): New, broken out of main.
12304 (make_insn_sequence): Use new_decision and new_decision_test.
12305 (process_tree): New, broken out of main.
12306 (main): Adjust for merge_trees interface change.
12307 Don't #define operands in the output file.
12308 (record_insn_name): New, broken out of make_insn_sequence.
12309 (debug_decision_2, debug_decision_1, debug_decision_0): New.
12310 (debug_decision): New.
12312 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
12314 * resource.c (find_free_register): Mark class_str argument const.
12315 * resource.h: Update prototype to match.
12317 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
12318 * i386.md: Give all anonymous insns names.
12320 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
12322 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
12325 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
12327 * toplev.c (dbr_sched_time): Unconditional.
12328 (peephole2_time): New.
12329 (compile_file): Add pass numbers to all of the dump file suffixes.
12330 Dump peephole2_time. Don't dump times for non-applicable passes.
12331 (rest_of_compilation): Add pass numbers to dump file suffixes.
12332 Conditionalize calls to the scheduler.
12333 * invoke.texi: Update.
12335 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
12337 * flow.c (make_edges): Fix insn iteration.
12338 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
12339 (find_basic_blocks_1): Fix spelling mistake.
12341 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
12343 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
12344 always have side-effects. Use memset not bzero.
12345 (make_node): Likewise.
12347 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
12349 * stmt.c (expand_anon_union_decl): When any of the elements of the
12350 union is addressable, so is the entire union.
12352 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
12354 * sbitmap.c (sbitmap_ones): Don't set too many bits.
12356 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
12357 * bitmap.c (bitmap_operation): Return true iff TO changed.
12358 (bitmap_equal_p): New.
12359 (bitmap_bit_p): Tidy arithmetic.
12360 (debug_bitmap_file): Likewise.
12362 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
12364 * toplev.c (rest_of_compilation): Turn on cse_not_expected
12365 before cse2 instead of after.
12367 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
12369 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
12372 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12374 * cppinit.c (is_idchar initializer): Loosen tests to accept
12377 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
12379 * mips.md: Define conditional move patterns for floating point
12380 operands and DI mode conditions.
12382 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
12384 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
12385 always have side-effects.
12387 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
12389 * mn10200.c (asm_file_start): Fix typo.
12391 * cppinit.c (is_idchar initializer): Tighten tests for when
12392 to put the table into initialized memory.
12394 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
12395 not an array of rtunion.
12396 * gcc-page.c (ggc_alloc_rtvec): Similarly.
12397 * gcc-simple (ggc_free_rtvec): Similarly.
12399 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
12402 * mbchar.h: Add missing #endif.
12404 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
12405 (FPBIT, DPBIT): Define.
12407 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12409 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
12411 * profile.c (instrument_arcs, output_gcov_string,
12412 tablejump_entry_p): Add static prototypes.
12413 (output_gcov_string): Constify a char*.
12415 * regmove.c (replacement_quality, fixup_match_2): Add static
12418 * resource.h (reg_dead_p): Add extern prototype.
12420 * rtl.c (trim_filename): Add static prototype.
12422 * scan-decls.c (skip_to_closing_brace): Likewise.
12424 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
12425 (expand_end_case): Initialize variable `range'.
12426 (emit_case_nodes): Remove unused prototype `rtx_fn'.
12428 * varasm.c (asm_emit_uninitialised): Add static prototype.
12429 (asm_emit_uninitialised, assemble_variable): Mark parameter with
12432 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12434 * cpplib.c (if_directive_nameo): Add static prototype.
12436 * cse.c (cse_insn): Remove unused variable `p'.
12438 * except.c (create_rethrow_ref, push_entry,
12439 receive_exception_label, new_eh_region_entry, find_func_region,
12440 clear_function_eh_region, process_nestinfo): Add static prototypes.
12441 (get_reg_for_handler): Hide definition.
12442 (process_nestinfo): Initialize variable `extra_handlers'.
12444 * expr.h (expand_builtin_longjmp): Add extern prototype.
12446 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
12448 * function.c (prepare_function_start): Likewise.
12449 (pop_function_context_from): Mark parameter `context' with
12451 (push_temp_slots_for_block, flush_addressof): Hide definition.
12453 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
12454 solve_program_flow_graph, calculate_branch_probs,
12455 function_summary, main, fancy_abort): Add prototypes.
12457 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
12458 (add_hash): Constify a char*.
12460 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
12461 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
12462 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
12464 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
12466 * lists.c (free_list, zap_lists): Likewise.
12468 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12470 * alias.c (nonlocal_reference_p): Add static prototype.
12472 * bitmap.c (bitmap_element_allocate): Prototype args in function
12475 * builtins.c (stabilize_va_list): Add static prototype.
12476 (expand_builtin_va_arg): Constify a char*.
12478 * c-lex.c (getch, put_back, extend_token_buffer_to,
12479 read_line_number, token_getch, token_put_back): Add static
12482 * c-parse.gperf (hash, is_reserved_word): Likewise.
12484 * cccp.c (is_dir_separator): Likewise.
12486 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12488 * graph.h: New file to prototype functions exported by graph.c.
12490 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
12492 * graph.c: Include graph.h.
12494 * toplev.c: Likewise. Remove redundant prototypes.
12496 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
12498 * invoke.texi: Removed duplicated description for -Q.
12500 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
12502 * extend.texi: Grammar fix in __extension__ text.
12504 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
12506 * md.texi (define_peephole2): New section.
12508 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
12510 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
12511 (mov $-1 to or peepholer): Enable for pentium when optimizing for
12514 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
12516 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
12518 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
12520 * i386.md (ffs expander): Emit Pentium friendly code for
12523 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
12525 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
12527 (build1): Likewise.
12529 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12531 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
12533 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
12535 * config/m68k/m68k.c (use_return_insn): Return false if the pic
12536 register is in use.
12538 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12540 * md.texi (No Constraints): Delete section.
12541 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
12542 * final.c (final_scan_insn): We always have register constraints.
12543 * genattrtab.c: Don't include "insn-config.h".
12544 (write_attr_case): We always have register constraints.
12545 * genconfig.c (register_constraint_flag): Delete.
12546 (walk_insn_part): Don't check whether we have register constraints.
12547 (main): Don't write out "#define REGISTER_CONSTRAINTS".
12548 * genoutput.c (have_constraints): Delete.
12549 (main): Don't set it.
12550 (output_operand_data): We always have constraints.
12551 (scan_operands): Likewise.
12552 (compare_operands): Likewise.
12553 * local-alloc.c (block_alloc): We always have constraints.
12554 (requires_inout): Always compile this function.
12555 * recog.c (extract_insn): We always have constraints.
12556 (constrain_operands, reg_fits_class_p): Always compile these
12558 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
12560 (struct insn_operand_data): Likewise.
12561 * regclass.c (regclass): We always have constraints.
12562 (record_reg_classes, copy_cost, record_address_regs,
12563 auto_inc_dec_reg_p): Always compile these functions.
12564 * regmove.c (regmove_optimize): We always have constraints.
12565 * reload.c (find_reloads): Likewise.
12566 * reload1.c (reload): Likewise.
12567 (reload_cse_simplify_operands): Likewise.
12568 * i860.c (output_delay_insn): Likewise.
12570 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
12572 * iris6.h (BUILD_VA_LIST_TYPE): Define.
12574 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12576 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
12577 for the va_list record.
12579 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
12581 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
12584 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
12586 * alias.c: Include insn-flags.h.
12587 * Makefile.in (alias.o): Update.
12589 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
12591 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
12592 to LTU and GEU. Handle more cases using sbb.
12594 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
12596 * i386.md (truncatexfdf splitters): Do not use subreg.
12597 (fop XFmode patterns): Fix mode in operand testing.
12599 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
12601 * jump.c (jump_optimize_1): Amend last change to test only the
12602 form of the operand, not the insn.
12604 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
12605 not register_operand to determine when B may need preloading.
12607 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
12609 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
12610 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
12611 (call-value patterns): Move to end of file.
12612 (*): Remove mode from label_ref in (pc) context.
12613 (movstrqi): Use memory not general_operand for BLKmode operands.
12614 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
12615 to register_operand operands.
12616 (peep2 patterns): Convert from commented-out peephole patterns.
12618 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12620 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
12621 to BUILT_IN_INIT_DWARF_REG_SIZES.
12622 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
12623 Renamed from BUILT_IN_DWARF_REG_SIZE; call
12624 expand_builtin_init_dwarf_reg_sizes.
12625 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
12626 with __builtin_init_dwarf_reg_size_table.
12627 * dwarf2out.c (struct reg_size_range): Delete.
12628 (expand_builtin_init_dwarf_reg_sizes): New function.
12629 (expand_builtin_dwarf_reg_size): Delete.
12630 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
12631 (expand_builtin_dwarf_reg_size): Don't declare.
12632 * libgcc2.c (dwarf_reg_size_table_initialized): New.
12633 (dwarf_reg_size_table): New.
12634 (init_reg_size_table): New function.
12635 (copy_reg): Use dwarf_reg_size_table.
12636 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
12639 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
12641 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
12642 Correctly build argument list to constructor and destructor functions.
12644 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
12646 * c-tree.h (warn_float_equal): Declare.
12647 * c-decl.c (warn_float_equal): Define.
12648 (c_decode_option): Recognize -W[no-]float-equal.
12649 * c-typeck.c (build_binary_op): Conditionally warn
12650 about equality tests of floating point types.
12651 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
12652 * invoke.texi: Add docs for -Wfloat-equal warning.
12654 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
12656 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
12657 generating RTL directly.
12658 * mips.h (INIT_TARGET_OPTABS): Likewise.
12659 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
12661 * expr.h (init_mov_optab): Delete declaration
12663 * h8300.c (WORD_REG_USED): Update to avoid useless register
12664 saves in interrupt functions and functions which never return.
12666 * cse.c (struct set): Delete inner_dest_loc field.
12667 (cse_insn): Remove assignments to inner_dest_loc field.
12669 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
12671 * ggc-page.c: Don't include <unistd.h> etc taken care of
12672 by "system.h". Include <sys/mman.h> afterward.
12674 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
12676 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
12679 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
12681 * xcoffout.c (xcoffout_declare_function): Add documentation.
12682 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
12683 TARGET_64BIT. Compare constant to -1, not bit pattern.
12684 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
12685 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
12688 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
12690 * dwarf2out.c (add_abstract_origin_attribute): Abort if
12691 origin_die is NULL.
12692 (gen_inlined_enumeration_type_die): Do not abort if the type has
12693 not been writeen out.
12694 (gen_inlined_structure_type_die): Do not abort if the type has
12695 not been writeen out.
12696 (gen_inlined_union_type_die): Do not abort if the type has
12697 not been writeen out.
12698 (gen_tagged_type_instantiation_die): Do not abort if the type
12699 has not been written out.
12701 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12703 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
12705 * reg-stack.c (straighten_stack): Copy hard reg set with
12708 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
12710 * builtins.c (stabilize_va_list): Stabilize array type va_list
12711 to a pointer type, not the base record type.
12712 (expand_builtin_va_copy): Dereference the pointers explicitly;
12713 use the correct size for the copy.
12715 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
12716 (rs6000_va_arg): Likewise.
12718 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
12720 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
12722 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
12724 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
12726 (DECL_BUILT_IN_CLASS): Adjust accordingly.
12728 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
12730 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
12731 (init_ggc): Use it instead of a constant.
12732 (ggc_collect): Bound allocated_last_gc by it.
12734 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
12736 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
12739 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
12741 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
12742 (mips*-*-openbsd*): Let big endian configuration be a fragment.
12743 * configure: Regen.
12744 * config/mips/openbsd.h: New, OpenBSD little endian target.
12745 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
12746 * config/mips/xm-openbsd.h: New, OpenBSD host.
12748 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
12750 * config/m68k/m68k.c (output_function_prologue,
12751 output_function_epilogue): Use
12752 current_function_uses_pic_offset_table instead of regs_ever_live
12753 to decide whether to save/restore pic register.
12754 (legitimize_pic_address): Don't modify regs_ever_live any more.
12756 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
12758 * function.h (struct function): Add x_dont_save_pending_sizes_p.
12759 * stor-layout.c (variable_size): Don't add sizes to the pending
12760 sizes list if x_dont_save_pending_sizes_p is set.
12762 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
12764 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
12765 for symbolic_operand().
12766 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
12768 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12770 * combine.c (gen_rtx_combine): Add missing call to va_end().
12772 * final.c (asm_fprintf): Likewise.
12774 * genattrtab.c (attr_rtx): Likewise.
12776 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
12778 * cse.c: Update comments.
12779 (cse_insn): When converting a conditional/computed jump into
12780 an unconditional jump, always make sure a BARRIER immediately
12781 follows the converted jump. Do not delete unreachable code.
12782 (cse_basic_block): Do not delete unreachable code.
12783 * toplev.c (rest_of_compilation): Move call to
12784 delete_trivially_dead_insns after the conditional call to
12787 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12789 * collect2.c (make_temp_file): Don't prototype.
12791 * gcc.c (make_temp_file): Likewise.
12793 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
12795 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
12797 * varasm.c (asm_emit_uninitialised): New function: Generate
12798 the assembler statements necessary to declare an uninitialised
12800 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
12802 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
12803 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
12805 (assemble_variable): Use asm_emit_uninitialised to emit an
12806 uninitialised variable.
12808 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
12810 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
12811 constant on a 64 bit host. Patch supplied by Geoffrey Keating
12812 <geoffk@cygnus.com>.
12814 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12816 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
12817 * c-common.h (builtin_function): Don't declare.
12819 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
12821 (pushdecl): Likewise.
12822 (finish_decl): Likewise.
12823 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
12824 int. All callers changed.
12825 Set the builtin's DECL_BUILT_IN_CLASS.
12826 * tree.h (enum built_in_class): New.
12827 (enum built_in_function): Delete NOT_BUILT_IN.
12828 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
12830 (DECL_SET_FUNCTION_CODE): Likewise.
12831 (DECL_BUILT_IN_CLASS): New macro.
12832 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
12833 (struct tree_decl): Split builtin function code field into a
12835 (builtin_function): Declare.
12837 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
12839 * optabs.c (init_traps): Fix typo in last change.
12841 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
12843 * toplev.c (rest_of_decl_compilation): Update comment.
12845 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12847 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
12848 in .sbss if appropriate.
12849 (EXTRA_SECTION_FUNCTIONS): Add sbss.
12850 (SBSS_SECTION_ASM_OP): New macro.
12851 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
12852 (EXTRA_SECTIONS): Add in_sbss.
12853 * config/mips/mips.h: Prototype sbss_section.
12855 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
12857 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
12860 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
12862 * optabs.c (init_traps): Register trap_rtx as a GC root.
12864 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12866 * config/mips/mips.c (function_arg_pass_by_reference): Define
12867 unconditionally, since it's called unconditionally.
12869 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12871 * toplev.c (documented_lang_options): Add -fshort-wchar.
12872 * c-decl.c (c_decode_option): Likewise.
12873 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
12875 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
12876 * gcc.c (default_compilers): If -fshort-wchar,
12877 override __WCHAR_TYPE__.
12878 * tm.texi (C Dialect Options): Add -fshort-wchar.
12880 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
12881 symbol for a variable.
12883 * cpplib.h (CPP_PREPROCESSED): New macro.
12884 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
12885 we're seeing this input for a second time.
12887 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
12889 * emit-rtl.c (init_emit_once): Initialize modes first.
12891 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
12893 * config/i386/i386.c (pic_label_name): Change to char pointer.
12894 (global_offset_table): New variable.
12895 (load_pic_register): Fill global_offset_table if it hasn't
12896 already been done. Allocate pic_label_name dynamically.
12897 * ggc.h (empty_string): New variable.
12898 * ggc-simple.c (empty_string): Likewise.
12899 (init_ggc): Allocate empty_string and add as root.
12900 * stmt.c (digit_strings): New variable.
12901 (init_stmt): Add last_block_end_note as root. Allocate and
12902 initialize digit_strings.
12903 (expand_asm_operands): Use empty_string instead of string
12904 constant. Use digit_strings instead of string constants.
12905 * profile.c (init_arc_profiler): Allocate string with
12906 ggc_alloc_string instead of xmalloc.
12907 (output_func_start_profiler): Likewise.
12908 * c-typeck.c (digest_init): Check if init is error_mark_node.
12910 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
12911 Richard Henderson <rth@cygnus.com>
12913 * ggc-page.c: New file.
12914 * Makefile.in (ggc-page.o): New.
12916 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
12918 * invoke.texi: Document -fdelete-null-pointer-checks
12919 * toplev.c (flag_delete_null_pointer_checks): New.
12920 (f_options): Add entry for -fdelete-null-pointer-checks.
12921 (rest_of_compilation): Conditionalize null pointer check
12922 elimination on flag_delete_null_pointer_checks.
12923 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
12925 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
12927 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
12928 copyright notice and special exception to GPL.
12930 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12932 * abi64.h (mips_function_value): Add prototype arguments.
12934 * mips-protos.h: New file with mips prototypes.
12936 * mips.c: Include "tm_p.h".
12937 (mktemp, lookup_name): Add prototype arguments.
12938 (extern_list, string_constant, mips_fill_delay_slot,
12939 mips_output_external, mips_output_external_libcall,
12940 mips_output_filename, mips_declare_object, function_prologue,
12941 mips_expand_prologue, function_epilogue, mips16_constant,
12942 build_mips16_function_stub, mips_output_conditional_branch):
12944 (mips_va_start): Remove unused variable `u'.
12945 (mips_va_arg): Cast value to unsigned when comparing against one.
12947 (save_restore_insns, mips_expand_prologue): Add missing arg in
12948 call to `large_int'.
12950 * mips.h: Move prototypes to mips-protos.h.
12951 (data_section, memory_address_p, rdata_section,
12952 readonly_data_section, simple_epilogue_p, text_section): Delete
12953 prototypes delcared elsewhere.
12954 (mips_epilogue_delay_slots, print_options): Delete unused decls.
12956 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
12958 * mips.md: Delete extra args in call to `mips_move_2words'.
12960 * xm-iris6.h (alloca): Add prototype argument.
12962 * genpeep.c: Include "tm_p.h" in generated output file.
12964 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12966 * basic-block.h (find_edge_index): Change parameters.
12967 * flow.c (verify_edge_list): Pass basic_block parameters to
12968 find_edge_index instead of integers.
12970 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
12972 * combine.c (simplify_comparison): Use an unsigned shift to adjust
12975 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
12977 * gcc.1: Fix a formatting error.
12979 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12981 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
12982 i786, mn10200, mn10300, pdp11, v850.
12984 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
12986 * libgcc2.c (num_digits): Add prototype with
12987 __attribute__((const)).
12988 (__terminate): Add prototype.
12990 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
12992 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
12994 * alpha/alpha.c (print_operand): Fix type of `code'.
12995 (alpha_output_filename): Constify.
12996 * alpha/alpha.h: Move all function declarations ...
12997 * alpha/alpha-protos.h: ... here. New file.
12998 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
12999 (SECTION_FUNCTION_TEMPLATE): Likewise.
13001 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13003 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
13004 * expr.c (expand_expr): Likewise.
13005 (do_jump): Likewise.
13006 (do_store_flag): Pass ccp_store_flag to can_compare_p.
13007 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
13009 (enum can_compare_purpose): New.
13010 (can_compare_p): Adjust prototype.
13011 (prepare_cmp_insn, prepare_operand): Declare.
13012 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
13013 * optabs.c (cmp_available_p): Deleted.
13014 (expand_abs): Pass ccp_jump to can_compare_p.
13015 (can_compare_p): New arg PURPOSE. Check for combined optabs.
13016 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
13017 Call can_compare_p rather than cmp_available_p.
13018 (prepare_operand): No longer static.
13019 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
13020 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
13021 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
13022 sequence to use emit_cmp_and_jump_insns.
13023 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
13025 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
13027 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
13028 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
13029 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
13030 (plus (reg) (const_int 0))
13031 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
13033 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
13035 * rs6000.c (expand_block_move): DImode loads and stores require
13036 word-aligned displacements. Increment address registers with
13037 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
13039 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
13041 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
13042 is no name for the base type, rather than segfault. If we are
13043 writing out a complex integer type, use DW_ATE_lo_user.
13045 * expr.c (emit_move_insn_1): If we are copying a complex that fits
13046 in one word or less (complex char, complex short, or on 64 bit
13047 systems complex float) to/from a hard register, copy it through
13048 memory instead of dying in gen_{real,imag}part. If we have a
13049 short complex type, prevent inlining since it allocates stack
13052 * tree.c (build_complex_type): If we are writing dwarf2 output,
13053 generate a name for complex integer types.
13055 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13057 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
13058 * flow.c (remove_edge): Remove extra whitespace.
13059 (remove_fake_edges): Fix comment.
13060 (add_noreturn_fake_exit_edges): Use the correct name.
13062 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
13064 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
13065 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
13066 (clean): Depend on INTL_CLEAN.
13067 (maintainer-clean): Adjust.
13069 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13071 * configure.in (AC_PREREQ): Bump to 2.13.
13072 (AC_C_STRINGIZE): Call this instead of using a custom macro.
13074 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
13076 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
13078 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
13080 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
13081 (HAVE_STRINGIZE): Define.
13083 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
13085 * c-parse.in: save and restore warn_pointer_arith on __extension__
13086 along with pedantic.
13087 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
13088 Set the type of extension to itype rather than $<itype>1 kludge.
13089 * extend.texi (Alternate Keywords): Adjust documentation.
13090 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
13092 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
13094 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
13095 most assembler templates.
13097 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
13098 FP loads and stores.
13099 (following_call): Always return zero for the PA8000.
13100 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
13101 FP loads and stores.
13102 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
13104 * pa.h (BRANCH_COST): Define.
13106 * pa.md (return, return_internal): Use bve for PA2.0.
13108 * pa.md (fused multiply): Add variants which reduce height for the
13109 fused multiply, but which still generate 2 insns.
13110 (fnegabs): Similarly.
13112 * pa.md (subsi3): Turn into an expander. Create two anonymous
13113 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
13114 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
13116 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
13118 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
13120 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
13121 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
13123 * regclass.c (init_regs): Add "top_of_stack" as a garbage
13126 * flow.c (record_active_eh_regions): Terminate loop after finding
13127 the last insn in the last basic block.
13129 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13131 * config/c4x/c4x.md: Delete parallel instruction peepholes.
13133 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13135 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
13137 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13139 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
13140 splitting to not use output template.
13142 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13144 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
13145 * config/c4x/c4x.c (c4x_va_start): New function.
13147 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
13149 * genrecog.c (not_both_true): Handle correctly cases when called for
13150 tests with different positions in the insn.
13152 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13154 * machmode.h (HOST_PTR_PRINTF): Move from here ...
13156 * system.h (HOST_PTR_PRINTF): ... to here.
13158 * mips-tfile.c: Don't include machmode.h.
13160 * Makefile.in (MACHMODE_H): New variable. Update to use it.
13161 (mips-tfile.o): Don't depend on machmode.h.
13163 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13165 * haifa-sched.c (sched_analyze): Rename local variable `region' to
13166 avoid conflicts with typedef struct `region' at the top level scope.
13168 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
13170 * basic-block.h (basic_block): Add eh_beg, eh_end.
13171 * flow.c (entry_exit_blocks): Update.
13172 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
13173 Call new functions.
13174 (find_basic_blocks_1): Don't record eh_list at each bb. Use
13175 lists.c functions to allocate insn lists.
13176 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
13178 (make_eh_edge): ... here. New.
13179 (move_stray_eh_region_notes): New.
13180 (record_active_eh_regions): New.
13181 (delete_unreachable_blocks): Split out block merging ...
13182 (try_merge_blocks): ... here. New.
13183 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
13184 Dump debugging data.
13185 (merge_blocks_move_successor_nojumps): Likewise.
13186 (merge_blocks): Use eh_beg+eh_end to validate block movement.
13188 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13190 * extend.texi (Bound member functions): Document unbound pmf
13193 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13195 * flow.c (split_edge): Handle insertion on a fallthrough edge which
13196 has the EXIT_BLOCK as a dest.
13198 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13200 * flow.c (remove_edge): New function to remove an edge from the
13202 (remove_fake_successors): New function to remove fake successor edges.
13203 (remove_fake_edges): New function to remove all fake edges from the
13205 (add_fake_exit_edges): New function to add fake edges from all blocks
13206 with no successors to the exit block.
13207 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
13208 prototypes for new functions.
13210 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13212 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
13213 Use Pmode to determine whether to output .dword or .word.
13215 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
13217 * tree.c (built_in_filename): New variable.
13218 (BUILT_IN_FILENAME): New macro.
13219 (init_tree_codes): Allocate built_in_filename.
13220 (make_node): Use built_in_filename instead of string constant.
13222 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
13224 * configure.in: Add fr30 target.
13225 * configure: Regenerate.
13226 * config/fr30: New directory.
13227 * config/fr30/crti.asm: New file.
13228 * config/fr30/fr30.c: New file.
13229 * config/fr30/crtn.asm: New file.
13230 * config/fr30/fr30.h: New file.
13231 * config/fr30/fr30.md: New file.
13232 * config/fr30/lib1funcs.asm: New file.
13233 * config/fr30/t-fr30: New file.
13234 * config/fr30/xm-fr30.h: New file.
13236 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
13238 * flow.c (merge_blocks_move_successor_nojumps): Delete the
13239 BARRIER at the end of the successor, not the BARRIER before
13242 * pa.c (pa_add_gc_roots): Fix thinko in last change.
13244 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
13246 * stmt.c (any_pending_cleanups): Don't crash when
13247 current_function->stmt is unset.
13249 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13251 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
13252 other initializations that may use it for relative offsets.
13254 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13256 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
13257 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
13258 * config/i386/sol2dbg.h: Removed.
13259 * config/i386/sol2gas.h: New file, to enable gas work-around.
13260 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
13261 Don't use sol2dbg.h.
13262 * configure: Rebuilt.
13264 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
13266 * invoke.texi (-fthis-is-variable): Remove documentation.
13268 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
13270 * basic-block.h (compute_bb_for_insn): Declare.
13271 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
13272 to use; set size of basic_block_for_insn directly.
13273 (find_basic_blocks): Update.
13275 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13277 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
13279 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13281 * crtstuff.c (ON_EXIT): Delete empty macro definition.
13282 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
13284 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
13286 * c-decl.c (c_decode_option): Extend comment.
13288 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
13290 * toplev.c (progname): Make 'const char *'
13291 (flag_print_mem): Move out of main.
13292 (version_flag): Move out of main.
13293 (filename): Move out of main.
13294 (debug_args): Remove g prefix from options.
13295 (documented_lang_options): Remove cpplib specific options.
13296 (display_help): Add g prefix to debug options.
13297 (check_lang_option): Delete this function.
13298 (decode_d_option): New function: Decode -d... option.
13299 (decode_f_option): New function: Decode -f... option.
13300 (decode_W_option): New function: Decode -W... option.
13301 (decode_g_option): New function: Decode -g... option.
13302 (independent_decode_option): New function: Decode a language
13303 independent command line option.
13304 (main): Invoke lang_decode_option and then
13305 independent_decode_option on each command line option in
13308 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
13310 Revert this change. Gavin's patch to operand_equal_p is a better fix.
13311 * fold-const.c (fold_range_test): Do not try to fold the range
13312 test if the rhs or lhs has side effects.
13314 * basic-block.h (compute_flow_dominators): Declare.
13316 * gcse.c (alloc_code_hoist_mem): New function.
13317 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
13318 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
13319 (hoist_code, one_code_hoisting_pass): Likewise.
13320 (gcse_main): If optimizing for size, then hoist expressions
13321 computed in multiple dominated basic blocks.
13323 * gcse.c (invalid_nonnull_info): New function.
13324 (delete_null_pointer_checks): Likewise.
13325 * rtl.h (delete_null_pointer_checks): Declare.
13326 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
13328 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
13329 (merge-blocks_move_successor_nojumps): Likewise.
13330 (merge_blocks): Allow merging of some blocks, even if it requires
13331 physical movement of the blocks, but not if it requires new jumps.
13333 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
13334 Callers and prototype changed.
13335 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
13337 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13339 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
13340 -YP when both -p and -pg are present. From i386/sol2.h.
13342 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13344 * Makefile.in (distclean): Delete tm_p.h.
13345 * configure.in: Create a new file, "tm_p.h", from a list in
13346 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
13347 "i386/i386-protos.h".
13349 * alias.c: Include "tm_p.h".
13350 * c-typeck.c: Likewise.
13351 * calls.c: Likewise.
13353 * emit-rtl.c: Likewise.
13354 * explow.c: Likewise.
13355 * expmed.c: Likewise.
13356 * expr.c: Likewise.
13357 * final.c: Likewise.
13358 * flow.c: Likewise.
13359 * fold-const.c: Likewise.
13360 * function.c: Likewise.
13361 * gcse.c: Likewise.
13362 * global.c: Likewise.
13363 * haifa-sched.c: Likewise.
13364 * integrate.c: Likewise.
13365 * jump.c: Likewise.
13366 * local-alloc.c: Likewise.
13367 * loop.c: Likewise.
13368 * optabs.c: Likewise.
13369 * recog.c: Likewise.
13370 * reg-stack.c: Likewise.
13371 * regclass.c: Likewise.
13372 * regmove.c: Likewise.
13373 * reload.c: Likewise.
13374 * reload1.c: Likewise.
13375 * reorg.c: Likewise.
13376 * resource.c: Likewise.
13377 * stmt.c: Likewise.
13378 * stor-layout.c: Likewise.
13379 * toplev.c: Likewise.
13380 * tree.c: Likewise.
13381 * unroll.c: Likewise.
13382 * genattrtab.c (main): Make generated file include "tm_p.h".
13383 * genemit.c (main): Likewise.
13384 * genoutput.c (main): Likewise.
13385 * genrecog.c (main): Likewise.
13387 * i386.h: Delete all prototypes.
13388 * i386.c: Include "tm_p.h".
13389 (ix86_attr_length_default): Call constant_call_address_operand
13390 with correct number of arguments.
13391 * i386-protos.h: New file.
13392 * i386.md (unnamed patterns): Call constant_call_address_operand
13393 with correct number of arguments.
13394 (exception_receiver): Call load_pic_register with correct number
13397 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
13399 * c-pragma.c (mark_align_stack): Dereference the void* properly.
13401 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
13403 * rtl.h (insns_safe_to_move_p): New function.
13404 * loop.c (find_and_verify_loops): Use it.
13405 * rtlanal.c (insns_safe_to_move_p): Define it.
13407 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
13409 * c-pragma.c: Include ggc.h.
13410 * Makefile.in (c-pragma.o): Update.
13412 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13414 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
13415 (LIB_SPEC): Likewise.
13416 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
13417 Reindent -YP/-p/-pg.
13418 Copied from config/sparc/sol2.h.
13420 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
13422 * c-pragma.c (mark_align_stack): New.
13423 (init_pragma): New.
13424 * c-pragma.h (init_pragma): Declare it.
13425 * c-lex.c (init_parse): Call it.
13427 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13429 * configure.in: Pick up thread library on Solaris/x86 just
13430 like on Solaris/sparc.
13431 * configure: Rebuilt.
13433 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
13435 * rtl.h (global_rtx_index): New enum.
13436 (global_rtl): Change to array of rtx.
13437 (pc_rtx, cc0_rtx): Redefine accordingly.
13438 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
13439 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
13440 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
13441 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
13442 (const_int_rtx): Change to array of rtx.
13443 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
13445 * emit-rtl.c (global_rtl): Change to array of rtx.
13446 (const_int_rtx): Change to aray of rtx.
13447 (gen_rtx_CONST_INT): Redefine accordingly.
13448 (init_emit_once): Allocate and initialize global_rtl. Likewise
13449 for const_int_rtx. Add both as GC roots.
13450 * genattrtab.c (global_rtl): Update declaration.
13452 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
13454 * Makefile (USER_H): Add iso646.h back.
13456 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
13458 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
13459 zapping the LOG_LINKS of sched_before_next_call.
13461 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
13462 * pa.c (insn_refs_are_delayed): Renamed from
13463 insn_sets_and_refs_are_delayed.
13465 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
13467 * functiion.h (struct function): Add x_whole_function_mode_p.
13468 (retrofit_block): Declare.
13469 * function.c (retrofit_block): New function.
13470 (identify_blocks): Add assertions. Allow an incomplete set of
13471 block notes if we're still generating code for the function.
13472 * integrate.c: Include loop.h.
13473 (expand_inline_function): Call find_loop_tree_blocks to map block
13474 notes to blocks when in whole-function mode. Use retrofit_block
13475 to insert new BLOCKs for the inlined function, rather than
13477 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
13478 * Makefile.in (integrate.o): Depend on loop.h.
13480 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13482 * tree.h (warn_about_unused_variables): Declare.
13483 * stmt.c (warn_about_unused_variables): New function, split out
13485 (expand_end_bindings): Here.
13487 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
13489 * stmt.c (preserve_subexpressions_p): Don't crash when
13490 current_function->stmt is unset.
13492 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
13494 * stmt.c (expand_start_bindings): Allow callers to pass a flag
13495 indicating that no NOTE_INSN_BLOCK_BEG note is required.
13496 (expand_start_target_temps): Use it.
13497 * except.c (expand_eh_region_start_for_decl): Likewise.
13498 * expr.c (expand_expr): Likewise.
13500 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
13502 * fold-const.c (operand_equal_p): Pay attention to side effects.
13504 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13506 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
13507 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
13509 * tlink.c (scan_linker_output): Look for keywords before accepting
13510 a mangled name in quotes.
13512 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
13514 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
13515 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
13517 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
13519 * alpha.md: Revert Thu Nov 26 change that came in through the
13520 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
13521 Avoid earlyclobber when possible.
13523 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13525 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
13527 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
13528 Define HAVE_ON_EXIT.
13530 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13532 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
13533 CTYPE_CONV in all ctype macros.
13535 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
13538 * cexp.y (initialize_random_junk): Likewise.
13540 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
13542 * i370.c (handle_pragma): Likewise.
13544 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
13546 * v850.c (override_options): Likewise.
13548 * doprint.c (_doprnt): Likewise.
13550 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
13553 * fixinc/server.c (load_data): Likewise.
13555 * fold-const.c (real_hex_to_f): Likewise.
13557 * genattr.c (write_upcase, gen_attr): Likewise.
13559 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
13560 write_upcase): Likewise.
13562 * genemit.c (print_code): Likewise.
13564 * genopinit.c (gen_insn): Likewise.
13566 * genpeep.c (print_code): Likewise.
13568 * genrecog.c (print_code): Likewise.
13570 * optabs.c (init_libfuncs): Likewise.
13572 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
13574 * haifa-sched.c (sched_analyze): Keep the list of notes organized
13576 (reemit_notes): Likewise.
13578 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
13580 * ggc.h (ggc_root): Move to ggc-common.c.
13582 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
13583 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
13584 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
13585 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
13586 * ggc-common.c (ggc_root): Move from ggc.h.
13587 (roots): Declare, static.
13588 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
13589 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
13590 null or check/set mark bit.
13591 (ggc_mark_roots): New.
13592 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
13594 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
13596 * m32r.c: Include toplev.h.
13597 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
13598 (gen_compare): Rename swap_p to must_swap to match uses.
13599 Add default abort case.
13600 (m32r_output_function_epilogue): Remove unused variables.
13601 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
13602 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
13603 define to empty parameter list. Update all uses.
13604 (predicate decls): Use enum machine_mode not int.
13605 * m32r.md (movsi): Call abort, not fatal_insn.
13606 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
13608 1999-09-14 Andrew Haley <aph@cygnus.com>
13610 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
13611 use $0 instead of 0.
13613 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13615 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
13616 computation out of loop over hard regs.
13618 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
13620 * function.c (identify_blocks): Don't shadow a variable in an
13622 * integrate.c (integrate_decl_tree): Don't use pushlevel,
13623 pushdecl, or poplevel to build up the new BLOCK tree.
13624 (expand_inline_function): Likewise.
13625 (integrate_parm_decls): Likewise.
13627 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
13629 * c-typeck.c (qualify_type): Merge qualifiers from both types.
13631 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
13633 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
13634 * invoke.texi: Document this change.
13636 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
13638 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
13640 (mark_emit_status): Renamed from mark_emit_state.
13641 * except.c (mark_eh_status): Renamed from mark_eh_state.
13642 Check not null before marking.
13643 (free_eh_status): New.
13644 * expr.c (mark_expr_status, free_expr_status): New.
13645 * function.c (free_machine_status): New.
13646 (free_after_parsing): New.
13647 (free_after_compilation): Move bits to free_after_parsing; call
13648 free_eh_status, free_expr_status; zero the marked members of the
13650 (prepare_function_start): No can_garbage_collect.
13651 Call init_eh_for_function.
13652 (expand_dummy_function_end): Free up current_function state.
13653 (mark_function_status): Renamed from mark_function_state.
13654 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
13655 * function.h (struct function): No can_garbage_collect.
13656 (free_machine_status, free_after_parsing): Declare.
13657 (free_eh_status, free_expr_status): Declare.
13658 * ggc.h (mark_expr_status): Declare.
13659 * stmt.c (free_stmt_status): Free the struct.
13660 (mark_stmt_status): Renamed from mark_stmt_state.
13661 (init_stmt): Don't call init_eh.
13662 (init_stmt_for_function): Don't call init_eh_for_function.
13663 * toplev.c (compile_file): Call init_eh.
13664 (rest_of_compilation): Free basic block info before ggc_collect.
13665 Call free_after_parsing; conditionally call free_after_compilation.
13666 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
13667 Check not null before marking.
13668 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
13670 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
13672 * c-lex.c (yylex): Initialize warn.
13674 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
13676 * pa.c (emit_move_sequence): Properly set the mode of the scratch
13677 register when performing secondary reloads for the SAR register.
13679 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
13681 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
13682 (NOTE_BLOCK): New macro.
13683 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
13684 * function.h (identify_blocks): Change prototype.
13685 * function.c (identify_blocks): Simplify.
13686 (reorder_blocks): Likewise.
13687 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
13688 NOTE_INSN_BLOCK_{BEG,END}.
13689 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
13690 the list of saved notes if the note isn't a
13691 NOTE_INSN_BLOCK_{BEG,END}.
13692 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
13694 (reemit_notes): Adjust recreation of notes to reflect new saved
13696 * print-rtl.c (print_rtx): Print the address of the BLOCK when
13697 printing a block note.
13698 * stmt.c (block_vector): Remove.
13699 (find_loop_tree_blocks): Simplify.
13700 (unroll_block_trees): Likewise.
13701 * tree.h (reorder_block): Change prototype.
13703 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
13705 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
13706 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
13707 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
13708 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
13709 (atexit, exit): Simplify.
13710 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
13711 * config/lots: Remove defns of HAVE_ATEXIT.
13713 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
13715 * calls.c (precompute_arguments): Fix typo in comment.
13716 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
13719 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
13721 * dsp16xx.c (override_options): Fix typos in GC root registration.
13723 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
13725 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
13726 from config/svr4.h.
13727 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
13728 (FUNCTION_PROFILER): Redefine appropriately for Linux.
13729 (CC1_SPEC): Likewise.
13731 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13733 * genattr.c (main): Add extern prototype. Call return, not exit.
13734 * genattrtab.c (main): Likewise.
13735 * gencheck.c (main): Likewise.
13736 * gencodes.c (main): Likewise.
13737 * genconfig.c (main): Likewise.
13738 * genemit.c (main): Likewise.
13739 * genextract.c (main): Likewise.
13740 * genflags.c (main): Likewise.
13741 * gengenrtl.c (main): Likewise.
13742 * genopinit.c (main): Likewise.
13743 * genoutput.c (main): Likewise.
13744 * genpeep.c (main): Likewise.
13745 * genrecog.c (main): Likewise.
13747 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
13748 * genattrtab.c (get_insn_name): Likewise.
13749 * gencodes.c (get_insn_name): Likewise.
13750 * genconfig.c (get_insn_name): Likewise.
13751 * genemit.c (get_insn_name): Likewise.
13752 * genextract.c (get_insn_name): Likewise.
13753 * genflags.c (get_insn_name): Likewise.
13754 * genopinit.c (get_insn_name): Likewise.
13755 * genpeep.c (get_insn_name): Likewise.
13757 * gencheck.c (usage): Add static prototype.
13758 * genextract.c (print_path): Constify a char*.
13759 * genopinit.c (optabs): Likewise.
13760 * genoutput.c (operand_data, data, output_predicate_decls,
13761 compare_operands): Likewise.
13762 * genrecog.c (write_tree): Add default case in switch.
13764 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13766 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
13768 * print-rtl.c (get_insn_name): Remove prototype.
13770 * toplev.h (progname): Declare const.
13772 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
13773 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
13774 dump_sched_info, dump_local_alloc, regset_release_memory,
13775 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
13776 error_with_file_and_line, error_with_decl, error_for_asm, error,
13777 fatal, warning_with_file_and_line, warning_with_decl, warning,
13778 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
13779 Remove redundant prototypes.
13781 (notice, check_lang_option, report_file_and_line, vnotice,
13782 mark_file_stack): Add static prototype.
13783 (set_fatal_function): Add prototype.
13784 (vnotice, report_file_and_line, set_fatal_function,
13785 check_lang_option): Constify a char*.
13786 (main): Prototype. Call return, not exit.
13788 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13790 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
13792 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
13794 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
13796 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
13798 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13800 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
13801 behave as if it's zero in all cases.
13802 (expand_function_start): Adjust call to assign_parms.
13803 * tree.h (assign_parms): Adjust prototype.
13804 * objc/objc-act.c (hack_method_prototype): Adjust call to
13807 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
13809 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
13810 arg_pointer_rtx fixed if the argument pointer register is
13812 (NONZERO_BASE_PLUS_P): Likewise.
13814 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
13816 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
13817 match_insn2 to match_insn.
13818 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
13820 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
13822 * Makefile.in (USER_H): Remove va-foo.h.
13824 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
13825 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
13826 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
13827 va-spur.h,va-v850.h}: Remove.
13829 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
13831 * sparc/sparc.md (eligible_for_return_delay): New attribute.
13832 (in_return_delay): Use it instead of match_insn.
13834 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13836 * config/alpha/va_list.h (va-alpha.h): Do not include.
13837 (__gnuc_va_list): Typedef as in varargs.h.
13839 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
13841 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
13842 DECL_LIVE_RANGE_RTL.
13844 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
13846 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
13847 not NOTE_BLOCK_NUMBER.
13848 (expand_eh_region_end): Likewise.
13849 (find_exception_handler_labels): Likewise.
13850 (scan_region): Likewise.
13851 (exception_optimize): Likewise.
13852 (update_rethrow_references): Likewise.
13853 (set_insn_eh_region): Likewise.
13854 * final.c (final_scan_insn): Likewise.
13855 * flow.c (make_edges): Likewise.
13856 * integrate.c (expand_inline_function): Likewise.
13857 * print-rtl.c (print_rtx): Likewise.
13859 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
13861 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
13862 terms of builtin functions and types.
13864 * mips.c (mips_build_va_list): New.
13865 (mips_va_start, mips_va_arg): New.
13866 * mips.h (BUILD_VA_LIST_TYPE): New.
13867 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
13869 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
13870 (sh_build_va_list, sh_va_start, sh_va_arg): New.
13871 * sh.h (BUILD_VA_LIST_TYPE): New.
13872 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
13874 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
13876 * recog.h (struct recog_data): Make dup_num, operand_address_p,
13877 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
13878 (struct insn_data): Likewise with n_operands, n_dups,
13879 n_alternatives, output_format.
13880 * regclass.c (scan_one_insn): Cast n_operands to int before
13881 arithmetic inside comparison.
13883 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
13885 * toplev.c (compile_function): Unconditionally emit nop.
13887 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13889 * haifa-sched.c (actual_hazard): Move declaration of variable
13890 `this_cost' into the scope where it is used.
13892 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13894 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
13895 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
13896 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
13898 * genrecog.c (make_insn_sequence): Call memset, not bzero.
13900 * jump.c (find_insert_position): Don't declare or define unless
13901 !HAVE_conditional_arithmetic.
13902 (returnjump_p_1, delete_prior_computation): Add static prototypes.
13904 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
13906 * recog.c (offsettable_address_p): Prototype function pointer.
13907 (preprocess_constraints): Call memset, not bzero.
13909 * tree.c (tree_node_kind_names): Constify a char*. Make static.
13910 (gcc_obstack_init): Don't declare.
13911 (fix_sizetype): Add static prototype.
13912 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
13913 (tree_cons): Call memset, not bzero.
13915 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
13916 definition in macro ASM_WEAKEN_LABEL.
13917 (mark_const_hash_entry): Add static prototype.
13919 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13921 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
13923 * unroll.c (find_common_reg_term, subtract_reg_term,
13924 loop_find_equiv_value): Add static prototypes.
13925 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
13926 (copy_loop_body): Remove unreachable break statement.
13928 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
13930 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
13932 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13934 Undo some changes from the gcc2 merge:
13935 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
13936 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
13940 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
13941 * emit-rtl.c (gen_lowpart_common): Disable optimization of
13942 initialized float-int union if the value is a NaN.
13944 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
13946 * gthr-win32.h: New file.
13948 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
13949 shared as a valid attribute.
13950 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
13951 * extend.texi: Document `shared' variable attribute.
13953 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
13955 * configure.in: Handle --enable-threads on FreeBSD.
13956 * configure: Rebuit.
13958 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
13960 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
13962 * configure: Rebuilt.
13964 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
13965 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
13966 Rosimildo DaSilva <rdasilva@connecttel.com>
13968 * configure.in (m68k-*-rtemscoff*): Added.
13969 * configure.in (mips64orion-*-rtems*): Converted to ELF.
13970 * configure.in (sparc-*-rtemsaout*): Added as alias for old
13971 sparc-rtems configuration.
13972 * configure.in (sparc-*-rtemself*): Added.
13973 * configure.in (sparc-*-rtems*): Now ELF not a.out.
13974 * config/i386/rtems.h: Added comment.
13975 * config/sparc/rtemself.h: New file.
13977 * configure.in (m68k-rtemself): Added.
13978 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
13979 and DWARF_DEBUGGING_INFO.
13980 * config/m68k/crti.s: New file.
13981 * config/m68k/crtn.s: New file.
13982 * config/m68k/t-crtstuff: New file.
13983 * config/m68k/rtemself.h: New file.
13985 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
13986 global ctor/dtor and C++ exception handling.
13987 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
13988 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
13990 * config/i386/t-rtems-i386: New File.
13992 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
13994 * stmt.c (expand_end_case): Return right away if the case stack is
13997 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
13999 * Makefile.in (version.c): Remove rule incorrectly brought in from
14002 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
14004 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
14005 * msdos/top.sed: Take into account a prepended $(SHELL) to
14007 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
14009 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
14011 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14013 * regmove.c (fixup_match_1): Don't change an unchanging register.
14014 (stable_but_for_p): Renamed to:
14015 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
14016 Changed all callers.
14018 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
14020 * loop.c (strength_reduce): Don't call reg_used_between_p if the
14021 insn from BL2 is after the insn from BL.
14023 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
14025 * recog.h (INSN_OUTPUT_FORMAT_*): New.
14026 (struct insn_data): Merge `template' and `outfun' into `output'.
14027 Add `output_format'.
14028 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
14029 (struct data): Remove `outfun'; add `output_format'.
14030 (name_for_index): Remove declaration.
14031 (output_insn_data): Handle output formats.
14032 (process_template): Emit the bare array for @.
14033 (gen_expand, gen_split): Set output_format to NONE.
14034 * output.h (get_insn_template): Declare.
14035 * final.c (get_insn_template): New.
14036 (final_scan_insn): Use it.
14037 * toplev.c (compile_file): Likewise.
14039 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14040 * i860/i860.c (output_delayed_branch): Likewise.
14041 (output_delay_insn): Likewise.
14043 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14045 * rtl.c (obstack_alloc_rtx): Removed.
14047 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
14049 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
14051 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14053 * i386.c (call_insn_operand): Reject const_int.
14054 (expander_call_insn_operand): Use call_insn_operand.
14056 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14058 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
14060 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
14062 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
14063 Use DImode operation.
14065 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
14067 * gcc.c: Include sys/resource.h.
14068 (report_times): New flag.
14069 (execute): If report_times is set, calculate and report the
14070 CPU time consumed by each subprocess.
14072 (rus, prus): New globals.
14073 (option_map): Add --time.
14074 (display_help): Document -time.
14075 (process_command): Set report_times if -time is given.
14076 Turn off -pipe if -time is given.
14078 * invoke.texi: Document new option -time.
14080 * configure.in: Check for getrusage. Check if we have to
14081 prototype getrusage.
14082 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
14083 * configure: Regenerate.
14084 * config.in: Regenerate.
14086 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
14088 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
14091 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
14093 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
14094 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
14095 (nan): Return _thenan_sf or _thenan_df as appropriate.
14096 (L_thenan_sf): Define _thenan_sf.
14097 (L_thenan_df): Define _thenan_df.
14099 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
14100 (DPBIT_FUNCS): Add _thenan_df.
14102 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
14104 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
14107 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14109 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
14112 (lang_specific_driver): Don't take a function pointer parameter.
14113 All callers changed.
14115 * gcc.c: Include gcc.h.
14116 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
14117 lang_specific_extra_outfiles, fatal): Don't declare.
14118 (multilib_defaults_raw): Constify.
14119 (read_specs): Call memset, rather than bzero.
14120 (main): Call return, not exit.
14121 (lookup_compiler): Call memcpy, not bcopy.
14122 (fatal): Make extern.
14124 * cppspec.c: Include gcc.h.
14125 (lang_specific_driver): Initialize variable `quote'. Constify a
14126 char*. All calls to the function pointer parameter now
14127 explicitly call `fatal'.
14129 * gccspec.c (lang_specific_driver): Include gcc.h.
14131 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
14133 * arm.c (note_invalid_constants): Use recog_data.operand_type
14136 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14138 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
14141 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
14142 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14143 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14144 reload_secondary_in_reload, reload_secondary_out_reload,
14145 reload_secondary_in_icode, reload_secondary_out_icode,
14146 reload_reg_rtx, reload_when_needed): Delete declarations.
14147 (struct reload): New structure.
14148 (rld): Declare new array.
14149 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
14150 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14151 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14152 reload_secondary_in_reload, reload_secondary_out_reload,
14153 reload_secondary_in_icode, reload_secondary_out_icode,
14154 reload_reg_rtx, reload_when_needed): Delete definitions.
14156 (whole file): Replace uses of the deleted arrays with uses of rld.
14157 * reload1.c (whole file): Replace uses of the deleted arrays with
14159 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
14160 explicit loops, not with bcopy.
14162 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
14164 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
14165 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
14166 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
14167 insn_name): Delete and consolidate into new structures.
14168 (insn_operand_predicate_fn): New.
14169 (insn_output_fn): New.
14170 (insn_gen_fn): New.
14171 (struct insn_operand_data): New.
14172 (struct insn_data): New.
14174 (OUT_FCN): Update for insn_data change.
14175 * builtins.c (expand_builtin_strlen): Likewise.
14176 (expand_builtin_memcmp): Likewise.
14177 * combine.c (make_extraction, simplify_comparison): Likewise.
14178 * cse.c (canon_reg, cse_insn): Likewise.
14179 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
14180 * expmed.c (store_bit_field, extract_bit_field): Likewise.
14181 (emit_store_flag): Likewise.
14182 * expr.c (convert_move, emit_block_move): Likewise.
14183 (clear_storage, emit_push_insn, expand_increment): Likewise.
14184 (do_store_flag): Likewise.
14185 * expr.h (GEN_FCN): Likewise.
14186 (insn_gen_function): Die.
14187 * final.c (final_scan_insn): Update for insn_data change.
14188 (output_asm_name): Likewise.
14189 * function.c (fixup_var_refs_1): Likewise.
14190 * loop.c (check_dbra_loop): Likewise.
14191 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
14192 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
14193 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
14194 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
14195 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
14196 * regmove.c (gen_add3_insn): Likewise.
14197 * reload.c (push_secondary_reload, combine_reloads): Likewise.
14198 (find_reloads, find_reloads_address_1): Likewise.
14199 (debug_reload_to_stream): Likewise.
14200 * reload1.c (emit_reload_insns, gen_reload): Likewise.
14201 * stmt.c (expand_end_case): Likewise.
14202 * toplev.c (compile_file): Likewise.
14204 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14205 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14207 * print-rtl.c (insn_name_ptr): Remove declaration.
14208 (get_insn_name): Declare.
14209 (print_rtx): Use it.
14210 * genoutput.c (insn_name_ptr): Remove.
14211 (next_operand_number): New.
14212 (struct operand_data): New.
14213 (null_operand, odata, odata_end): New.
14214 (struct data): Use struct operand_data.
14215 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
14216 (get_insn_name): Renamed from name_for_index.
14217 (output_prologue): Define NO_MD_PROTOTYPES.
14218 (output_predicate_decls): Break out from output_epilogue.
14219 Iterate over the operands list.
14220 (output_operand_data): Break out from output_epilogue. Emit
14221 just the operands list.
14222 (output_insn_data): Break out from output_epilogue. Emit just
14224 (output_epilogue): Remove.
14225 (output_get_insn_name): New.
14226 (constraints, op_n_alternatives, predicates, address_p): Die.
14227 (modes, strict_low, seen): Die.
14228 (scan_operands): Take new param `d' instead of writing to
14229 seven global variables.
14230 (compare_operands): New.
14231 (place_operands): New.
14232 (validate_insn_alternatives): Update for struct data change.
14233 (gen_insn): Don't zero or copy 7 global arrays. Update for
14234 scan_operands; call place_operands.
14235 (gen_peephole, gen_expand, gen_split): Likewise.
14236 (main): Update for new output routines.
14238 * genattr.c (insn_name_ptr): Remove.
14239 (get_insn_name): New function.
14240 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
14241 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
14242 * genrecog.c: Likewise.
14244 * alpha.md (adddi3): Make `pattern' array static.
14246 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14248 * config/c4x/c4x.h (c4x_rpts_cycles_string,
14249 c4x_cpu_version_string): Constify char *.
14250 * config/c4x/c4x.c (c4x_rpts_cycles_string,
14251 c4x_cpu_version_string): Likewise.
14253 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
14255 * tree.c (save_tree_status): Revert 10 Sep change.
14256 (restore_tree_status): Likewise. Call obstack_free with NULL
14257 before freeing the obstack proper.
14259 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
14261 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
14263 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
14264 surrounding context.
14266 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
14268 * tree.c (type_hash_canon): Put all types in the hash-table, when
14271 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
14273 * recog.h (struct recog_data, recog_data): New.
14274 (recog_foo variables): Kill.
14275 * recog.c (recog_operand, recog_operand_loc): Kill.
14276 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
14277 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
14278 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
14279 (recog_data): Define.
14280 (extract_insn): Update all recog_foo references to use recog_data.
14281 (preprocess_constraints, constrain_operands): Likewise.
14282 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
14283 * genattrtab.c (main): Likewise.
14284 * genextract.c (main): Likewise.
14285 * genoutput.c: Likewise.
14286 * genrecog.c (write_subroutine, main): Likewise.
14287 * local-alloc.c (block_alloc): Likewise.
14288 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
14289 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
14290 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
14291 * reload.c (find_reloads, find_reloads_toplev): Likewise.
14292 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
14293 (reload_cse_simplify_operands): Likewise.
14295 * arc/arc.c (arc_final_prescan_insn): Likewise.
14296 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
14297 * h8300/h8300.c (notice_update_cc): Likewise.
14298 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
14299 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14300 * mn10200/mn10200.c (notice_update_cc): Likewise.
14301 * mn10300/mn10300.c (notice_update_cc): Likewise.
14302 * romp/romp.c (update_cc): Likewise.
14303 * sparc/sparc.c (check_pic): Likewise.
14304 * v850/v850.c (notice_update_cc): Likewise.
14306 * genemit.c (main): Don't declare recog_operand.
14308 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
14310 * ggc.h (rtvec_def): Forward declare.
14311 (tree_node): Likewise.
14312 (ggc_root): Define.
14314 (ggc_set_mark_rtx): Add prototype.
14315 (ggc_set_mark_rtvec): Likewise.
14316 (ggc_set_mark_tree): Likewise.
14317 * ggc-simple.c (ggc_root): Don't define.
14318 (roots): Don't declare.
14319 (ggc_mark_rtx): Remove.
14320 (ggc_mark_rtvec): Likewise.
14321 (ggc_mark_tree): Likewise.
14322 (ggc_mark_varray): Likewise.
14323 (ggc_mark_tree_hash_table_entry): Likewise.
14324 (ggc_mark_tree_hash_table): Likewise.
14325 (ggc_set_mart_rtx): New function.
14326 (ggc_set_mark_rtvec): Likewise.
14327 (ggc_set_mark_tree): Likewise.
14328 (ggc_add_root): Remove.
14329 (ggc_add_rtx_root): Likewise.
14330 (ggc_remove_tree_root): Likewise.
14331 (ggc_add_string_root): Likewise.
14332 (ggc_add_tree_varray_root): Likewise.
14333 (ggc_add_tree_hash_table_root): Likewise.
14334 (ggc_del_root): Likewise.
14335 (ggc_mark_rtx_ptr): Likewise.
14336 (ggc_mark_tree_ptr): Likewise.
14337 (ggc_mark_string_ptr): Likewise.
14338 (ggc_mark_tree_varray_ptr): Likewise.
14339 (ggc_mark_tree_hash_table_ptr): Likewise.
14340 * ggc-common.c: New file.
14341 * Makefile.in (OBJS): Add ggc-common.o.
14342 (ggc-common.o): List dependencies.
14344 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
14346 * cppalloc.c (xstrdup): Use memcpy.
14347 * cpperror.c (cpp_print_containing_files): Don't use
14349 * cpplib.c (conditional_skip): Set temp->lineno.
14350 (do_endif): Make error message less obscure.
14351 (if_directive_name): New function.
14352 (cpp_get_token [case EOF]): Unwind the if stack and generate
14353 error messages for each unterminated conditional in this file.
14354 (parse_string): Do not behave differently if -traditional.
14356 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
14358 * builtins.c (expand_builtin_va_arg): Cope with an array-type
14359 va_list decomposing to pointer-type.
14360 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
14361 (rs6000_va_arg): Likewise.
14363 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
14365 * except.c (start_dynamic_handler): Compute size using
14366 STACK_SAVEAREA_MODE.
14368 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14370 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
14371 include directory headers. Don't define strrchr. Don't provide
14372 my_* replacement functions. Prefer PTR over `pointer_type'.
14373 Don't prototype system functions. Don't redefine getopt.
14375 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
14376 safe_read, safe_write, save_pointers, restore_pointers,
14377 is_id_char, in_system_include_dir, directory_specified_p,
14378 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
14379 find_corresponding_lparen, referenced_file_is_newer,
14380 save_def_or_dec, munge_compile_params, gen_aux_info_file,
14381 process_aux_info_file, identify_lineno, check_source,
14382 seek_to_line, forward_to_next_token_char, output_bytes,
14383 output_string, output_up_to, other_variable_style_function,
14384 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
14385 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
14386 find_static_definition, connect_defs_and_decs, add_local_decl,
14387 add_global_decls, needs_to_be_converted, visit_each_hash_node,
14388 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
14389 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
14390 scan_for_missed_items, edit_file, string_list_cons): Add static
14392 (standard_exec_prefix, target_machine, target_version,
14393 default_syscalls_dir, string_list, string_list_cons, find_file,
14394 do_cleaning): Constify a char*.
14395 (safe_read, safe_write): Use PTR, not a char*.
14396 (is_id_char): Take an int, not a char.
14397 (main): Add prototype. Call return, not exit.
14399 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
14401 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
14402 when comparing types.
14404 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
14406 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
14407 (strength_reduce): Release the varrays from the no-bivs early exit.
14409 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
14410 the loop over the registers.
14412 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
14414 (restore_tree_status): Check that instead when freeing the obstack.
14416 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
14418 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
14421 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14423 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
14424 operand size modifiers.
14426 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14428 * c-common.c (c_common_nodes_and_builtins): Don't build
14430 * c-common.h (enum c_tree_index and related accesor macros): Remove
14431 everything now declared in tree.h.
14432 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14433 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
14434 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
14435 (error_mark_node, void_type_node, char_type_node, integer_type_node,
14436 unsigned_type_node, ptr_type_node, va_list_type_node,
14437 integer_zero_node, null_pointer_node, integer_one_node): Delete.
14438 (init_decl_processing): Call build_common_tree_nodes and
14439 build_common_tree_nodes_2 instead of building their nodes here.
14440 Don't add roots for these nodes.
14441 * stor-layout.c (size_zero_node, size_one_node): Delete.
14442 (set_sizetype): Make a new node for bitsizetype each time.
14443 * tree.c (global_trees): New variable.
14444 (init_obstacks): Add a gc root for it.
14445 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14446 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
14447 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
14448 (build_common_tree_nodes): New function.
14449 (fix_sizetype): New function.
14450 (build_common_tree_nodes_2): New function.
14451 * tree.h (enum tree_index): New.
14452 (global_trees): Declare.
14453 Add accessor macros for all nodes now moved to global_trees.
14454 Delete their declarations.
14456 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
14458 * c-decl.c (finish_function): When processing a nested function,
14459 push and pop GC context around rest_of_compilation.
14461 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
14463 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
14464 Default ix86_arch to PROCESSOR_I386.
14465 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
14466 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
14467 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
14468 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
14469 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
14470 (EXTRA_SPECS): Remove deleted specs.
14472 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
14474 * function.c (assign_stack_local_1): Allocate from
14475 function->x_frame_offset, not frame_offset.
14477 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
14479 * ggc.h (lang_cleanup_tree): Remove.
14480 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
14481 * ggc-callbacks.c (lang_cleanup_tree): Remove.
14483 * c-decl.c (finish_struct): Use ggc_alloc to allocate
14484 TYPE_LANG_SPECIFIC when garbage collecting.
14485 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
14486 (lang_cleanup_tree): Remove.
14488 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
14490 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
14491 * crtstuff.c: Not here.
14492 * dwarf2out.c: Or here.
14493 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
14496 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
14498 * function.h (free_after_compilation): Remove decl parameter.
14499 (free_varasm_status0: Likewise.
14500 (free_emit_status): Likewise.
14501 (free_stmt_status): Likewise.
14502 (free_after_compilation): Likewise.
14503 (init_lang_status): New variable.
14504 (free_lang_status): Likewise.
14505 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
14506 * function.c (init_lang_status): New variable.
14507 (free_lang_status): Likewise.
14508 (push_function_context_to): Don't set function::decl here.
14509 (free_after_copmilation): Make decl parameter implicit. Call
14510 free_lang_status if defined.
14511 (prepare_function_start): Call init_lang_status if defined.
14512 (init_function_start): Set function::decl here.
14513 * profile.c (output_func_start_profiler): Don't call pushdecl
14514 until we've actually started the function.
14515 * stmt.c (free_stmt_status): Make decl parameter implicit.
14516 * toplev.c (rest_of_compilation): Don't pass decl to
14517 free_after_compilation.
14518 * varasm.c (free_varasm_status): Likewise.
14520 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14522 * except.c (call_get_eh_context): Add root when allocating static
14525 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
14527 * arm.c: Include "ggc.h".
14528 (arm_add_gc_roots): New function.
14529 (arm_override_options): Call it.
14530 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
14532 * arm.md (define_asm_attributes): Add a pool_range attribute.
14534 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
14536 * extend.texi (Volatiles): New node.
14538 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
14540 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
14541 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
14542 (struct ggc_any): Replace `mark' with `magic_mark'.
14543 (ggc_alloc_string): Use memcpy, not bcopy.
14544 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
14545 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
14546 (ggc_free_any): New.
14547 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
14548 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
14549 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
14550 Use IS_MARKED. Use ggc_free_any.
14552 1999-09-09 Scott Bambrough <scottb@netwinder.org>
14554 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
14556 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
14558 * toplev.c (main): Always init_ggc.
14560 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
14562 * except.c (find_all_handler_type_matches): Free the list if
14563 we found no matches.
14565 * combine.c (SUBST): Break out to a real function do_SUBST.
14566 (SUBST_INT): Likewise.
14567 * gcse.c (free_pre_mem): Free `temp_bitmap'.
14568 (pre_insert): Free `inserted'.
14569 * loop.c (basic_induction_var): Always set `location'.
14571 * function.c (expand_function_end): Add initial_trampoline as a root.
14572 * rtl.h (init_varasm_once): Declare.
14573 * toplev.c (compile_file): Call it.
14574 * ggc-simple.c (ggc_mark_string_ptr): New.
14575 (ggc_add_string_root): New.
14576 (ggc_collect): Disable collection avoidance temporarily.
14577 * ggc.h (ggc_add_string_root): Declare.
14578 * except.c (create_rethrow_ref): Use ggc_alloc_string.
14579 * optabs.c (init_libfuncs): Likewise.
14580 * varasm.c (named_section): Use ggc_alloc_string.
14581 (make_function_rtl): Likewise.
14582 (make_decl_rtl): Likewise.
14583 (assemble_static_space): Likewise.
14584 (assemble_trampoline_template): Likewise.
14585 (output_constant_def): Likewise.
14586 (force_const_mem): Likewise.
14587 (mark_const_hash_entry): New.
14588 (mark_pool_sym_hash_table): New.
14589 (mark_varasm_state): Use it.
14590 (init_varasm_once): New.
14592 * expr.h (init_one_libfunc): Declare.
14593 * optabs.c (init_one_libfunc): New.
14594 (init_optabs): Use it.
14595 * config/gofast.h: Likewise.
14596 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
14597 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
14599 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
14601 * Makefile.in (cppexp.o): Depend on cpphash.h.
14602 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
14604 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
14605 * cpplib.c (do_define): Generalise to handle poisoned definitions,
14606 redefining poisoned identifiers, etc.
14607 (do_undef): Don't allow poisoned identifiers to be undefined.
14608 (do_pragma): Add #pragma poison.
14609 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14611 * cccp.c: Add T_POISON node type.
14612 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
14614 (do_define): Generalise to handle poisoned definitions,
14615 redefining poisoned identifiers, etc.
14616 (do_undef): Don't allow poisoned identifiers to be undefined.
14617 (do_pragma): Add #pragma poison.
14618 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14620 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
14621 * c-pragma.h: Add ps_poison state. We now always have generic
14624 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
14626 * ggc.h (ggc_alloc): New function.
14627 (ggc_mark): Likewise.
14628 * ggc-simple.c (ggc_any): New structure.
14629 (ggc_status): Add anys.
14630 (n_anys_collected): New variable.
14631 (ggc_alloc): Define.
14632 (ggc_mark): Likewise.
14633 (ggc_collect): Collect the anys.
14635 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14637 * c-decl.c (mark_binding_level): Make static to match prototype.
14639 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
14641 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
14643 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
14645 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
14646 will use into account. Expand the max width to 5.
14649 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
14651 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
14652 for the rtx length.
14654 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
14656 * alpha.md (call value patterns): Remove the result predicates.
14658 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
14660 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
14663 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14665 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
14666 changed from extern char *, to extern PTR. Also fix typo in
14667 NEED_DECLARATION_REALLOC test.
14669 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
14671 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14673 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
14674 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
14675 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
14676 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
14678 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
14680 * cccp.c (pcfinclude): Likewise.
14682 * global.c (allocno_compare): Likewise.
14684 * haifa-sched.c (rank_for_schedule): Likewise.
14686 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
14688 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
14690 * stupid.c (stupid_reg_compare): Likewise.
14692 * tree.c (_obstack_allocated_p): Likewise.
14694 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
14696 1999-09-08 Bruce Korb autogen@linuxbox.com
14698 * Makefile.in: Give the hapless gperf user a hint about
14699 why "gperf -F" fails.
14701 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
14703 * lists.c: Include ggc.h.
14705 (init_EXPR_INSN_LIST_cache): Install it.
14707 * ggc-simple.c (init_ggc): Absorb the old init.
14708 (ggc_push_context): Use xcalloc.
14709 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
14710 (ggc_collect): Add [rvts] tags to the collection stats.
14712 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
14714 * cccp.c (main): Fix handling of -include and -imacros options.
14716 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
14718 * cpplib.c (cpp_push_buffer): Fix order of arguments.
14720 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14722 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
14725 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
14727 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
14728 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
14729 and SET_DEST. Update comment.
14731 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14733 * config/c4x/c4x.c: Include ggc.h.
14734 (c4x_add_gc_roots): New function.
14735 (c4x_override_options): Call c4x_add_gc_roots.
14737 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
14739 * defaults.h (TARGET_ESC): Move ...
14740 * system.h: ... here, where Linas had it in the first place. Silly me.
14742 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
14744 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
14745 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
14746 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
14747 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
14748 * defaults.h (TARGET_ESC): Add default.
14750 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
14752 * configure.in: add i370-*-openedition, i370-*-mvs and
14753 i370-*-linux targets
14755 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
14757 * dsp16xxx.c: Include ggc.h
14758 (override_options): Mark GC roots.
14759 * mn10200.c: Include ggc.h.
14760 (asm_file_start): Mark GC roots.
14761 * tahoe.c: Include ggc.h.
14762 (extensible_operand): Mark GC roots.
14764 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
14766 * README: Add section discussing status of ELF ABI.
14767 * i370.c: Fix misc spelling mistakes.
14768 (i370_label_scan): Updated notes, exception handling.
14769 (i370_function_prolog): Simplify ELF stack handling.
14770 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
14771 (STACK_GROWS_DOWNWARD): ELF stack grows down.
14772 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
14773 * i370.md: (movdi): Add notes.
14774 (floatsidf2): Use stack not rtca for scratch float area.
14775 (iorsi3): Correct operand constraints.
14776 * x-oe: Restore TAROUTOPTS which are used by pax.
14778 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
14780 * rs6000.c: Include ggc.h.
14781 (rs6000_add_gc_roots): New function.
14782 (override_options): Call it.
14784 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
14786 * alpha.h (alpha_compare): New.
14787 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
14788 * alpha.c: Likewise for the definitions.
14789 (alpha_emit_conditional_branch): Update for alpha_compare.
14790 (alpha_emit_conditional_move): Likewise.
14791 * alpha.md (cmpdf, cmpdi): Likewise.
14792 (setcc patterns): Likewise. Zero alpha_compare after use.
14793 (sne): Optimize (x != 0) into (0U < x).
14795 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
14797 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
14798 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
14799 (INIT_EXPANDERS): Remove.
14800 * alpha.c: Include ggc.h.
14801 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
14802 (alpha_init_machine_status, alpha_mark_machine_status): New.
14803 (override_options): Install them.
14804 (struct machine_function): Moved to alpha.h.
14805 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
14806 (alpha_init_expanders): Remove.
14807 (alpha_return_addr): Adjust to use current_function->machine.
14808 (alpha_ra_ever_killed): Likewise.
14809 (alpha_expand_epilogue): Likewise.
14810 * alpha.md (eh_epilogue): Likewise.
14812 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
14813 Melissa O'Neill <oneill@cs.sfu.ca>
14814 Geoffrey Keating <geoffk@cygnus.com>
14816 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
14817 call-used registers (call-saved registers must still be contiguous
14818 and end with r31, of course).
14820 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
14822 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
14823 (self_promoting_type_p): Delete.
14824 (self_promoting_args_p): Move ...
14825 * c-common.c: ... here.
14826 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
14827 (simple_type_promotes_to): New.
14828 * builtins.c (lang_type_promotes_to): New.
14829 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
14830 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
14831 * c-common.h: ... here.
14832 (self_promoting_args_p, simple_type_promotes_to): Declare.
14833 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
14834 (grokdeclarator): Likewise.
14835 * tree.h (lang_type_promotes_to): Declare.
14837 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
14839 Add some machine-dependent GC roots.
14840 * sparc.c: Include ggc.h.
14841 (sparc_add_gc_roots): New function.
14842 (mark_ultrasparc_pipeline_state): Likewise.
14843 (override_options): Call sparc_add_gc_roots.
14844 * pa.c: Include ggc.h.
14845 (pa_add_gc_roots): New function.
14846 (mark_deferred_plabels): Likewise.
14847 (override_options): Call pa_add_gc_roots.
14848 * mips.c: Include ggc.h.
14849 (mips_add_gc_roots): New function.
14850 (override_options): Use it.
14852 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14854 * cpperror.c (cpp_file_line_for_message): Constify a char*.
14856 * cppexp.c (parse_number, parse_charconst, cpp_lex,
14857 cpp_parse_expr): Add static prototypes.
14858 (parse_charconst): Don't cast away const-ness.
14859 (token): Constify a char*.
14861 * cppfiles.c (file_name_list, include_hash, find_include_file,
14862 finclude, initialize_input_buffer): Constify a char*.
14863 (file_cleanup, find_position): Add static prototypes.
14865 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
14866 collect_expansion): Add static prototypes.
14867 (cpp_install, create_definition, monthnames): Constify a char*.
14869 * cpphash.h (cpp_install): Likewise.
14871 * cppinit.c (known_suffixes, default_include,
14872 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
14873 (base_name, dump_special_to_buffer, initialize_dependency_output):
14874 Add static prototypes.
14876 * cpplib.c (my_strerror): Constify a char*.
14877 (null_underflow, null_cleanup, skip_comment, copy_comment,
14878 copy_rest_of_line, handle_directive, pass_thru_directive,
14879 get_directive_token, read_line_number, cpp_print_file_and_line,
14880 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
14881 v_cpp_warning_with_line, detect_if_not_defined,
14882 consider_directive_while_skipping): Add static prototypes.
14883 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
14884 cpp_pedwarn_with_file_and_line): Constify a char*.
14886 * cpplib.h (cpp_options, include_hash, progname, definition,
14887 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
14888 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
14889 find_include_file, deps_output, include_hash): Constify a char*.
14891 * cppmain.c (progname): Constify.
14892 (main): Add prototype. Use return, not exit.
14894 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
14895 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
14896 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
14897 check_protection): Add static prototype.
14899 (progname, recognized_macrom, recognized_extern): Constify a char*.
14900 (main): Add prototype.
14902 * gen-protos.c (progname): Constify a char*.
14904 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
14906 * emit-rtl.c (free_emit_status): Take decl as a parameter.
14907 (init_emit_once): Add more GC roots.
14908 * except.c (mark_func_eh_entry): New function.
14909 (mark_eh_node): Mark false_label and rethrow_label.
14910 (init_eh): Add more GC roots.
14911 * function.c (free_after_compilation): Take decl as a paramter.
14912 Call free_stmt_status.
14913 (mark_function_state): Don't assume x_parm_reg_stack_loc is
14915 * function.h (free_after_compilation): Change prototype.
14916 (free_varasm_status): Likewise.
14917 (free_emit_status): Likewise.
14918 (free_stmt_status): New function.
14919 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
14920 Remove, replacing with ...
14921 (ggc_status): New structure.
14922 (ggc_chain): New variable.
14923 (init_gcc): Define.
14924 (ggc_push_context): New function.
14925 (ggc_pop_context): Likewise.
14926 (ggc_alloc_rtx): Adjust for use of ggc_chain.
14927 (ggc_alloc_rtvec): Likewise.
14928 (ggc_alloc_tree): Likewise.
14929 (ggc_alloc_string): Likewise.
14930 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
14931 (ggc_mark_tree): Give language-dependent code a chance to mark
14933 (ggc_mark_tree_varray): Handle empty arrays.
14934 (ggc_collect): Adjust for use of ggc_chain. Clear
14935 bytes_alloced_since_last_gc.
14936 * ggc.h (ggc_pop_context): New function.
14937 (ggc_push_context): Likewise.
14938 * print-tree.c (print_node): Don't print obstacks when GC'ing.
14939 * stmt.c (free_stmt_status): New function.
14940 (init_stmt_for_function): Clear last_expr_value.
14941 * toplev.c (rest_of_compilation): Always call free_after_compilation.
14942 Conditionalize call to ggc_collect.
14943 (main): Call init_ggc.
14944 * tree.c (push_obstacks): Do the push, even when GC'ing.
14945 (push_obstacks_nochange): Likewise.
14946 (pop_obstacks): Liekwise.
14947 * varasm.c (free_varasm_status): Take decl as a parameter.
14949 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
14951 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
14952 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
14953 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
14954 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
14956 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
14958 * pa/x-pa-mpeix: New file for the MPE port.
14960 * pa/quadlib.asm: New file for long double support.
14962 * configure.in: Add hppa1.0-*-mpeix for MPE port.
14963 * configure: Rebuilt.
14965 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
14967 * final.c (shorten_branches): Fix last change.
14969 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
14971 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
14973 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
14975 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
14978 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14980 * c-aux-info.c (concat): Don't define.
14982 * cccp.c (my_strerror): Likewise. All callers changed to use
14984 (do_include): Call xstrdup, not xmalloc/strcpy.
14985 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
14986 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
14988 * collect2.c (my_strsignal): Likewise. All callers changed to use
14990 (locatelib): Call xstrdup, not xmalloc/strcpy.
14992 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
14994 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
14996 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
14998 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
15000 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
15002 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
15004 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
15006 (find_all_handler_type_matches): Likewise. Don't check return
15008 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
15009 xmalloc, not malloc.
15010 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
15012 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
15013 (init_spec): Call xcalloc, not xmalloc/bzero.
15014 (set_spec): Call xstrdup, not save_string.
15015 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
15016 (find_a_file): Call xstrdup, not xmalloc/strcpy.
15017 (process_command): Call xstrdup, not save_string.
15018 (main): Call xcalloc, not xmalloc/bzero.
15020 * gcov.c (xmalloc): Don't define.
15021 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
15022 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
15023 (output_data): Call xcalloc, not xmalloc/bzero.
15025 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
15027 * mips-tdump.c (xmalloc): Don't define.
15028 (print_symbol): Call xmalloc, not malloc.
15029 (read_tfile): Call xcalloc, not calloc.
15031 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
15032 Don't define. All callers of xfree/my_strsignal changed to use
15033 free/strsignal instead.
15034 (allocate_cluster): Call xcalloc, not calloc.
15036 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
15037 Fix memory leak, free allocated memory.
15039 * prefix.c (translate_name): Call xstrdup, not save_string.
15040 (update_path): Likewise.
15042 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
15044 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
15045 Don't define. Callers of xfree/savestring2 changed to use
15046 free/concat instead.
15048 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
15049 (init_elim_table): Likewise.
15051 * resource.c (init_resource_info): Likewise.
15053 * stupid.c (stupid_life_analysis): Likewise.
15055 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
15056 (open_dump_file): Call concat, not xmalloc/strcpy/...
15057 (clean_dump_file): Likewise.
15058 (compile_file): Call xstrdup, not xmalloc/strcpy.
15060 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
15062 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
15063 * v850.c (v850_va_arg): New.
15065 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15067 * haifa-sched.c: Tidy comments.
15069 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15071 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
15072 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
15073 $(out_object_file)): Depend on ggc.h.
15074 * c-common.c: Include "ggc.h".
15075 (combine_strings): If doing GC, use ggc_alloc_string.
15076 * c-decl.c: Include "ggc.h".
15077 (ggc_p): Define with value 0.
15078 (mark_binding_level): New function.
15079 (init_decl_processing): Add GC roots.
15080 (mark_c_function_context): New function.
15081 (lang_mark_false_label_stack): New function.
15082 (lang_mark_tree): New function.
15083 (lang_cleanup_tree): New function.
15084 * c-lang.c: Include "ggc.h".
15085 (lang_init): Call c_parse_init.
15086 * c-lex.c: Include "ggc.h".
15087 (check_linenum): If doing GC, don't copy filenames to permanent
15089 * c-parse.in: Include "ggc.h".
15090 (c_parse_init): New function.
15091 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
15092 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
15094 * except.c (mark_eh_state): Mark more state.
15095 * function.c (mark_function_state): Likewise.
15096 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
15097 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
15098 * toplev.c (mark_file_stack): New function.
15099 (compile_file): If doing GC, use ggc_alloc_string on input filename.
15100 (main): Add root for input_file_stack.
15102 * i386.c: Include "ggc.h".
15103 (ix86_mark_machine_status): New function.
15104 (override_options): Set mark_machine_status.
15106 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15108 * tree.c (copy_node): Copy node contents also if doing GC.
15110 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15112 * collect2.c (scan_libraries): Fix double-thinko :-).
15114 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
15116 * collect2.c (scan_libraries): Fix thinko.
15118 * cse.c (delete_trivially_dead_insns): Do not skip the last
15119 insn if it is a real insn.
15121 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
15123 * Makefile.in (ggc-simple.o): Depend on hash.h.
15124 * ggc.h (ggc_add_tree_hash_table_root): Declare.
15125 (ggc_mark_tree_varray): Likewise.
15126 (ggc_mark_tree_hash_table): Likewise.
15127 * ggc-simple.c: Include hash.h.
15128 (ggc_mark_tree_hash_table_ptr): New function.
15129 (ggc_mark_tree_hash_table_entry): Likewise.
15130 (ggc_mark_tree_hash_table): Likewise.
15131 (ggc_add_tree_hash_table_root): Likewise.
15132 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
15133 rtx, when defining fields.
15135 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15137 * profile.c (output_func_start_profiler): Remove apparently
15138 nonsensical call to start_sequence.
15140 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
15142 * clipper/clipper.c (clipper_va_start): Fix typos.
15144 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
15145 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
15146 (spur_va_arg): New stub.
15148 * configure.in: Comment out pyramid.
15150 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
15152 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
15153 don't conflict with the bits that win32, cygwin, and dgux
15156 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
15157 Bernd Schmidt <bernds@cygnus.co.uk>
15159 * integrate.c (function_cannot_inline_p): Do not inline
15160 functions with forced labels.
15162 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
15163 Bernd Schmidt <bernds@cygnus.co.uk>
15164 Mark Mitchell <mark@codesourcery.com>
15166 * Makefile.in (ggc-simple.o): Depend on varray.h.
15167 (rtl.o): Depend on ggc.h.
15168 (genattrtab.o): Depend on ggc.h.
15169 (print-tree.o): Likewise.
15170 (fold-const.o): Likewise.
15171 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
15172 (make_insn_raw): Don't cache insns when GC'ing.
15173 (emit_insn_before): Likewise.
15174 (emit_insn_after): Likewise.
15175 (emit_insn): Likewise.
15176 (start_sequence): Use xmalloc to allocate the sequence_stack.
15177 (end_sequence): Add free to free it.
15178 (gen_sequence): Don't cache insns when GC'ing.
15179 (clear_emit_caches): Don't use sequence_element_free_list.
15180 (init_emit): Use xcalloc, not xmalloc+bzero.
15181 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
15182 * function.c (pop_function_context_from): Use free to free the
15183 fixup_var_refs_queue.
15184 (put_reg_into_stack): Allocate it with xmalloc.
15185 * genattrtab.c: Include ggc.h.
15186 (operate_exp): Don't use obstack_free when GC'ing.
15187 (simplify_cond): Likewise.
15188 (simplify_text_exp): Likewise.
15189 (optimize_attrs): Likewise.
15190 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
15192 (gencode): Generate a #include for ggc.h.
15193 * ggc-callbacks.c (ggc_p): Define it to zero.
15194 * ggc-none.c (ggc_p): Likewise.
15195 * ggc-simple.c: Include varray.h.
15196 (ggc_mark_tree_varray): New function.
15197 (ggc_add_tree_varray_root): Likewise.
15198 (ggc_mark_tree_varray_ptr): Likewise.
15199 * ggc.h (ggc_p): Declare.
15200 (varray_head_tag): Likewise.
15201 (ggc_add_tree_varray_root): Declare.
15202 * print-tree.c (print_node): Don't check for TREE_PERMANENT
15203 inconsistencies when GC'ing.
15204 * rtl.c: Include ggc.h.
15205 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
15206 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
15207 (rtx_free): Don't call obstack_free when GC'ing.
15208 * toplev.c (rest_of_compilation): Call ggc_collect after every
15210 * tree.c (push_obstacks): Do nothing, if GC'ing.
15211 (pop_obstacks_nochange): Likewise.
15212 (pop_obstacks): Likewise.
15213 (make_node): Use ggc_alloc_tree when GC'ing.
15214 (copy_node): Likewise.
15215 (get_identifier): Use ggc_alloc_string when GC'ing.
15216 (build_string): Likewise.
15217 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
15218 (tree_cons): Likewise.
15219 (build1): Likewise.
15220 (type_hash_canon): Don't call obstack_free when GC'ing.
15222 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
15224 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
15225 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
15227 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
15228 Bernd Schmidt <bernds@cygnus.co.uk>
15229 Mark Mitchell <mark@codesourcery.com>
15231 * Makefile.in (stor-layout.o): Depend on ggc.h.
15232 (expr.o): Depend on ggc.h.
15233 (profile.o): Depend on ggc.h.
15234 (stor-layout.o): Depend on ggc.h.
15235 * emit-rtl.c (init_emit_once): Add gc roots.
15236 * expr.c: Include ggc.h.
15237 (emit_block_move): Add gc roots.
15238 (clear_storage): Likewise.
15239 * expr.h (init_stor_layout_once): New function.
15240 * profile.c: Include ggc.h.
15241 (init_arc_profiler): profiler_label is a root.
15242 * scan.c (make_sstring_space): Trust xrealloc to function
15243 correctly with first parameter NULL.
15244 * stor-layout.c: Include ggc.h.
15245 (set_sizetype): Add gc root.
15246 (init_stor_layout_once): New function.
15247 * toplev.c (compile_file): Call it.
15249 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
15250 Bernd Schmidt <bernds@cygnus.co.uk>
15251 Mark Mitchell <mark@codesourcery.com>
15253 * Makefile.in (tree.o): Depend on ggc.h.
15254 (varasm.o): Likewise.
15255 (function.o): Likewise.
15256 (stmt.o): Likewise.
15257 (except.o): Likewise.
15258 (optabs.o): Likewise.
15259 (emit-rtl.o): Likewise.
15260 * emit-rtl.c: Include ggc.h.
15261 (sequence_element_free_list): Remove, and all references.
15262 (mark_sequence): New functions.
15263 (mark_emit_state): New function.
15264 * except.c: Include ggc.h.
15265 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
15266 (mark_tree_label_node): New functions.
15267 (mark_eh_state): New function.
15268 * function.c: Include ggc.h.
15269 (mark_temp_slot, mark_function_chain): New functions.
15270 (mark_function_state): New function.
15271 (init_function_once): New function.
15272 * function.h (init_function_once): New function.
15273 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
15274 * ggc.h (label_node): Declare.
15275 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
15276 (lang_mark_false_label_stack): New function.
15277 (mark_temp_slot): Remove declaration.
15278 (mark_function_chain): Likewise.
15279 (mark_eh_state): Adjust prototype.
15280 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
15282 * optabs.c: Include ggc.h.
15283 (mark_optab): New function.
15284 (init_optabs): Add gc roots.
15285 * stmt.c: Include ggc.h.
15286 (mark_cond_nesting, mark_loop_nesting): New functions.
15287 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
15288 (mark_stmt_state): New function.
15289 * toplev.c (compile_file): Call init_function_once.
15290 * tree.c: Include ggc.h.
15291 (type_hash): Move declaration earlier in file.
15292 (TYPE_HASH_SIZE, type_hash_table): Likewise.
15293 (init_obstacks): Add gc roots.
15294 (mark_type_hash): New function.
15295 * varasm.c: Include ggc.h.
15296 (mark_pool_constant): New function.
15297 (mark_varasm_state): New function.
15299 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15301 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
15303 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15305 * c-decl.c (struct language_function): Renamed from struct c_function.
15307 (c_function_chain): Delete.
15308 (push_c_function_context): New arg F. Don't warn about nested
15309 functions here. Fill LANGUAGE elt of F. Delete code to update
15310 c_function_chain. Don't call push_function_context.
15311 (pop_c_function_context): New arg F. Restore from there instead of
15312 from c_function_chain. Don't call pop_function_context. Clear out
15313 LANGUAGE field of F when done.
15314 * c-lang.c: Include "function.h"
15315 (lang_init): Initialize save_lang_status and restore_lang_status.
15316 * c-parse.in (nested_function, nested_function_notype): Warn about
15317 nested functions. Call push_function_context/pop_function_context
15318 instead of the _c_ variants.
15319 * c-tree.h (push_c_function_context, pop_c_function_context): Update
15321 * Makefile.in (c-lang.o): Update dependencies.
15323 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
15324 regno_pointer_flag, regno_pointer_align.
15325 (gen_reg_rtx): Use xrealloc to enlarge them.
15326 (free_emit_status): New function.
15327 * function.c (mark_machine_status, mark_lang_status): New variables.
15328 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
15329 in some bits from assign_stack_local. All callers changed to use new
15331 (assign_stack_local): Just call assign_stack_local_1.
15332 (free_after_compilation): New function.
15333 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
15334 (trampoline_address): Likewise.
15335 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
15336 (prepare_function_start): Explicitly clear some more variables.
15337 * function.h (struct function): New elt can_garbage_collect.
15338 (mark_machine_status, mark_lang_status): Declare variables.
15339 (free_after_compilation, free_emit_status, free_varasm_status,
15340 init_varasm_status): Declare functions.
15341 * toplev.c (rest_of_compilation): Call free_after_compilation when
15342 done with the current function.
15343 * varasm.c (free_varasm_status): New function.
15345 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
15347 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
15348 (EXPAND_BUILTIN_VA_ARG): Define.
15349 * sparc.c (sparc_va_start): New.
15350 (sparc_va_arg): New.
15352 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15354 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
15356 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15358 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
15360 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
15362 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
15363 (OBJS): Add $(GGC).
15364 (ggc-callbacks.o): New target.
15365 * ggc-callbacks.c: New file.
15367 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15369 * expr.h: Collapse individual optab and libfunc vars to arrays.
15370 (optab_index, libfunc_index): New enumerations.
15371 (optab_table, libfunc_table): New arrays.
15372 Add accessor macros for both.
15374 * optabs.c (optab_table, libfunc_table): New.
15375 Delete declarations for individual optab and libfunc vars.
15377 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
15379 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
15381 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15383 * Makefile.in (GGC, GGC_LIB): New.
15384 (HOST_RTL): Include ggc-none.o.
15385 (ggc-simple.o): New target.
15386 (ggc-none.o): Likewise.
15387 * tree.h (tree_common): Add gc_mark.
15388 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
15389 (struct rtvec_def): Add gc_mark.
15390 * emit-rtl.c (global_rtl): Update static initializers to contain
15391 enough initializers.
15392 * ggc.h, ggc-none.c, ggc-simple.c: New files.
15393 * toplev.c (gc_time): New variable.
15394 (all_time): New variable.
15395 (compile_file): Print gc time.
15396 (print_time): Calculate percentage of the whole.
15398 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15400 Change obstack memory management and varasm constant pool handling so
15401 that nested functions are treated like any other functions.
15402 * function.c (init_machine_status): New variable.
15403 (push_function_context_to): Set contains_functions for the outer
15404 function. Don't call save_varasm_status.
15405 (pop_function_context_from): Don't call restore_varasm_status. Don't
15406 set current_function_contains_functions.
15407 (prepare_function_start): Call init_varasm_status rather than
15408 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
15410 * function.h (struct function) Add field varasm. Delete fields
15411 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
15412 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
15413 (init_machine_status): Declare.
15414 (save_varasm_status, restore_varasm_status): Delete declarations.
15415 (save_tree_status, restore_tree_status): Delete last argument.
15416 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
15417 code. All callers changed.
15418 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
15419 save_constants_in_decl_trees, restore_constants, save_constants,
15420 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
15422 (inlining): New variable.
15423 (reg_map, label_map, insn_map, orig_asm_operands_vector,
15424 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
15426 (save_for_inline_nocopy): Don't save constants.
15427 Don't set inl_emit field in current_function.
15428 (expand_inline_function): Use emit field, not inl_emit, of the inlined
15429 function. Set new variable inlining before
15430 calling copy_rtx_and_substitute.
15431 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
15432 constant pool references if inlining is nonzero.
15433 Delete ADDRESS and (most of the) CONST cases.
15434 (output_inline_function): Save and restore current_function/
15435 current_function_decl. Delete restore_constants code. Don't call
15436 init_const_rtx_hash_table.
15437 * output.h (init_const_rtx_hash_table): Don't declare.
15438 * rtl.h (struct function): Declare.
15439 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
15440 * toplev.c (rest_of_compilation): Don't treat nested functions or
15441 functions containing them specially. Delete all code to deal with
15442 save_for_inline_copying.
15443 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
15444 inline_obstacks): Delete variables.
15445 (save_tree_status): Lose arg CONTEXT. All callers changed.
15446 Simply allocate a new function_maybepermanent_obstack for the new
15447 function, delete all the special cases.
15448 Don't save inline_obstacks.
15449 (restore_tree_status): Lose arg CONTEXT. All callers changed.
15450 Delete special handling for function_maybepermanent_obstack; simply
15452 Don't restore inline_obstacks.
15453 (permanent_allocation): Delete code that frees inline_obstacks.
15454 (print_inline_obstack_statistics): Delete function.
15455 (dump_tree_statistics): Don't call it.
15456 * varasm.c (struct varasm_status): New.
15457 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
15458 last_pool, pool_offset, const_double_chain): Delete global
15459 variables, replace with accessor macros.
15460 (immed_double_const): Don't walk const_double_chain outside a
15461 function, but don't treat nested functions specially anymore.
15462 (immed_real_const_1): Likewise.
15463 (clear_const_double_mem): Don't treat nested functions specially.
15464 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
15465 (save_varasm_status, restore_varasm_status): Delete functions.
15466 (init_varasm_status): New function.
15467 (force_const_mem): Don't treat nested functions specially.
15468 (find_pool_constant): Accept new arg F, search for constants in
15469 that function's pool rather than the current one. All callers
15471 (get_pool_constant_for_function, get_pool_mode_for_function): New
15474 * i386.c (init_386_machine_status): New function, mostly from
15475 clear_386_stack_locals.
15476 (struct machine_functions): Rename element names to avoid name
15478 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
15479 macros, replacing global variables.
15480 (clear_386_stack_locals, save_386_machine_status,
15481 restore_386_machine_status): Delete functions.
15482 (override_options): Initialize init_machine_status.
15483 * i386.h (INIT_EXPANDERS): Delete macro.
15484 (save_386_machine_status, restore_386_machine_status,
15485 clear_386_stack_locals): Delete declarations.
15487 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15489 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
15490 (doloop_begin): Simplify pattern and use emit_jump_insn.
15491 (doloop_end): Simplify pattern, switch operand order,
15492 and use emit_jump_insn.
15494 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15496 * function.h (struct function): Add new element LANGUAGE.
15497 (save_lang_status): Declare new variable.
15498 (restore_lang_status): Likewise.
15499 * function.c (save_lang_status): Define.
15500 (restore_lang_status): Likewise.
15501 (push_function_context_to): Call language-specific save function.
15502 (pop_function_context_from): Call language-specific restore function.
15504 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15506 * i386.md (movsf_1): Check REG_P before use of REGNO.
15507 (movdf_1): Likewise.
15508 (movxf_1): Likewise.
15509 (extendsfdf2): Likewise.
15510 (extendsfxf2): Likewise.
15511 (extenddfxf2): Likewise.
15513 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15515 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
15516 constants into memory.
15517 (c4x_shiftable_constant): New function.
15518 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
15519 (c4x_shiftable_constant): Declare.
15520 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
15521 ashlqi3_noclobber): Add new patterns and associated splitters.
15523 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
15525 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
15526 * dwarf2out.c (dwarf2out_frame_init): Likewise.
15527 * final.c (shorten_branches): Likewise.
15528 * global.c (global_alloc): Likewise.
15529 * haifa-sched.c (build_control_flow): Likewise.
15530 * stmt.c (check_for_full_enumeration_handling): Likewise.
15531 (estimate_case_costs): Likewise.
15533 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
15535 * rtl.h (RTL_CHECKC2): Fix typo in last change.
15537 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
15539 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
15540 (recompute_reg_usage): Likewise.
15541 * rtlanal.c (find_regno_fusage): Likewise.
15543 * rtl.c (rtl_check_failed_code1): New function.
15544 (rtl_check_failed_code2): New.
15545 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
15546 (RTL_CHECKC1, RTL_CHECKC2): New.
15547 (XC*): New accessor macros.
15548 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
15549 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
15550 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
15551 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
15552 (TRAP_*, RANGE_INFO_*): Likewise.
15554 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15556 * Makefile.in (tlink.o): Don't depend on toplev.h.
15558 * collect2.c (c_file, o_file, export_file, import_file, ldout,
15559 output_file, nm_file_name, ldd_file_name, strip_file_name,
15560 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
15561 add_prefix, prefix_from_env, prefix_from_string, do_wait,
15562 fork_execute, maybe_unlink, add_to_list,
15563 extract_init_priority, write_list, dump_list,
15564 dump_prefix_list, write_list_with_asm, write_c_file,
15565 write_c_file_stat, write_c_file_glob, scan_prog_file,
15566 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
15567 ignore_library, extract_string, notice, dump_file, target_machine,
15568 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
15569 read_file, print_load_command): Constify a char*.
15570 (fdopen, error, fatal, fatal_perror): Don't prototype.
15571 (my_strerror): Remove. All callers use xstrerror instead.
15572 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
15573 (main): Add prototype. Constify lots of char* ptrs. Change calls
15574 to xcalloc/strcpy/strcat/... to one call to concat.
15575 (main, scan_prog_file, scan_libraries): Use an intermediate
15576 `const char **' to build an argv array.
15577 (mapfile, libselect, libcompare, locatelib): Add prototypes.
15579 * collect2.h (collect_execute, collect_wait, dump_file,
15580 file_exists): Constify a char*.
15581 (ldout, c_file_name, temporary_obstack, permanent_obstack,
15582 temporary_firstobj, vflag, debug): Add extern declarations.
15583 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
15585 * tlink.c: Don't include toplev.h.
15586 (vflag, debug, ldout, c_file_name, temporary_obstack,
15587 permanent_obstack, temporary_firstobj): Don't declare.
15588 (tlink_execute, frob_extension, symbol_hash_lookup,
15589 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
15590 recompile_files, read_repo_files, demangle_new_symbols,
15591 scan_linker_output): Constify a char*.
15592 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
15593 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
15595 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
15597 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
15598 (relative) rather than jsr (absolute) subroutine call insns.
15599 * config/m68k/m68k-coff.h: Ditto.
15601 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
15603 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
15604 now rework these too.
15605 (arm_reorg): If an insn can't reach the end of the current pool,
15606 ensure that we emit that pool before the insn.
15608 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
15610 * tlink.c (scan_linker_output): Skip the initial underscore in
15611 a mangled name if appropriate.
15613 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15615 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
15616 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
15617 error_with_ivar, gen_declarator, create_builtin_decl,
15618 my_build_string, generate_descriptor_table, generate_ivars_list,
15619 generate_dispatch_table, check_protocols, TAG_GETCLASS,
15620 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
15621 dump_base_name, lang_decode_option, build_encode_expr,
15622 start_class, finish_class, encode_pointer, really_start_method,
15623 gen_declaration, dump_interface, handle_class_ref, handle_impent):
15625 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
15626 Add static prototypes.
15627 (build_objc_string_decl, build_selector_reference_decl,
15628 encode_bitfield, build_class_reference_decl): Remove unused
15629 parameter, all callers changed.
15630 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
15631 (objc_printable_name): Likewise. Change second parameter to type int.
15632 (init_objc): Use memcpy, not bcopy, to avoid casts.
15634 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
15636 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
15637 reg notes on a deleted insn.
15638 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
15640 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
15642 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
15644 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15646 * stmt.c (expand_asm_operands): Fix index into inout_mode when
15649 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
15651 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
15652 * tm.texi (MD_ASM_CLOBBERS): Document it.
15654 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
15656 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
15657 * except.c (expand_rethrow): Remove unused variable.
15658 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
15659 * flow.c (replace_insns): Likewise.
15660 (create_edge_list, verify_edge_list): Likewise.
15661 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
15663 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
15664 is special code to run.
15665 (main): Don't define operands to emit_operand.
15666 * genrecog.c (main): Don't emit an empty peephole2_insn function.
15668 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
15670 * alpha/alpha.h (normal_memory_operand): Declare.
15671 (reg_no_subreg_operand): Declare.
15672 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
15674 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
15676 * c-parse.in (compstmt_primary_start): New, broken out of first
15677 part of compstmt handling in primary.
15678 (primary): Use it. Add an error clause.
15679 (compstmt_nostart): Renamed from compstmt; remove all
15680 initial invocations of compstmt_start.
15683 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
15685 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
15688 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
15690 * combine.c (simplify_shift_const): Remove extra semicolon.
15691 * dwarf2out.c (remove_AT): Likewise.
15692 * expmed.c (expand_mult): Likewise.
15693 * gcov.c (create_program_flow_graph): Likewise.
15694 * reorg.c (mostly_true_jump): Likewise.
15696 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
15698 * fold-const.c (fold_range_test): Do not try to fold the range
15699 test if the rhs or lhs has side effects.
15701 * combine.c (simplify_rtx): Recognize another case of a synthesized
15704 * varasm.c (mark_constant_pool): When marking indirect references,
15705 only look at SYMBOL_REFs.
15707 * except.c (expand_fixup_region_end): Do not peek at
15708 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
15710 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
15712 * flags.h: New variables align_loops, align_loops_log,
15713 align_jumps, align_jumps_log, align_labels, align_labels_log,
15714 align_functions, align_functions_log.
15715 * toplev.c: Define them.
15716 (f_options): Handle -falign-* when they have no argument.
15717 (main): Add logic to set variables for -falign-functions,
15718 -falign-jumps, -falign-labels, -falign-loops.
15719 Make it -fsched-verbose=<n> and -finline-limit=<n>.
15720 (display_help): Change help to match options.
15721 * final.c (LABEL_ALIGN): Default to align_labels_log.
15722 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
15723 (LOOP_ALIGN): Default to align_loops_log.
15724 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
15725 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
15726 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
15727 * varasm.c (assemble_start_function): Handle align_functions.
15729 * config/sparc/sparc.h: Don't declare sparc_align_*.
15730 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
15731 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
15733 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
15735 * config/sparc/sparc.c: Delete sparc_align_loops,
15736 sparc_align_jumps, sparc_align_funcs and the corresponding string
15738 (sparc_override_options): Default align_functions on ultrasparc.
15739 Delete -malign-* handling.
15741 * config/mips/mips.c (override_options): On 64-bit targets,
15742 try to align code to 64-bit boundaries.
15743 (print_operand): New substitution, %~,
15744 which aligns labels to align_labels_log.
15745 * config/mips/mips.md (div_trap_normal): Use %~.
15746 (div_trap_mips16): Likewise.
15748 (absdi2): Likewise.
15749 (ffssi2): Likewise.
15750 (ffsdi2): Likewise.
15751 (ashldi3_internal): Likewise.
15752 (ashrdi3_internal): Likewise.
15753 (lshrdi3_internal): Likewise.
15754 (casesi_internal): Likewise.
15756 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
15758 Merge new ia32 backend from the branch!
15760 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
15761 See ChangeLog.P2 on new_ia32_branch for details.
15763 * rtl.h (stack_regs_mentioned_p): Delete prototype.
15764 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
15765 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
15766 * i386/gas.h (ASM_FILE_START): Define.
15767 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
15768 for name change of ix86_valid_decl_attribute_p.
15769 (i386_pe_valid_type_attribute_p): Similarly.
15771 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
15773 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
15774 to step through CC modes.
15776 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15778 * regmove.c (fixup_match_1): Don't move INSN in front of P if
15779 it would end up in the shadow of a live flags regsiter.
15781 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15783 * reload1.c: Fix many indentation problems.
15784 * reload.c: Likewise.
15786 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
15788 * alias.c (non_local_reference_p): Constify fmt.
15790 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
15792 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
15794 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
15796 * cse.c (delete_trivially_dead_insns): Do not delete stores to
15797 the internal_arg_pointer.
15799 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
15801 Merge peephole2 from new_ia32_branch:
15802 * Makefile.in (STAGESTUFF): Add *.peephole2.
15803 (mostlyclean): Likewise.
15804 (recog.o): Depend on resource.h.
15806 * final.c (peephole): Conditionalize decl on HAVE_peephole.
15807 (final_scan_insn): Likewise for the invocation of peephole.
15808 * genconfig.c (main): Look for peephole and peephole2 patterns.
15809 Emit HAVE_peephole* accordingly.
15810 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
15811 * flags.h (flag_peephole2): Declare.
15812 * toplev.c: New pass peephole2. New flag -fpeephole2.
15814 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
15815 * gencodes.c (main): Likewise.
15816 * genextract.c (main): Likewise.
15817 * genoutput.c (main): Likewise.
15818 * genemit.c (max_operand_1): Look for the max scratch operand.
15819 (gen_rtx_scratch): New.
15820 (gen_exp): Use it, and pass on new arg subroutine_type.
15821 (gen_expand): Take max scratch into account.
15822 (gen_split): Emit peephole2 functions.
15823 (output_peephole2_scratch): New.
15824 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
15825 * genrecog.c (routine_type): Add PEEPHOLE2.
15827 (make_insn_sequence): Match outer parallel for peep2. Discard
15828 top level scratches and dups.
15829 (add_to_sequence): New args insn_type and top. Update all callers.
15830 Handle toplevel peep2 matching insns.
15831 (write_subroutine): Handle peep2.
15832 (write_tree_1): Likewise.
15833 (write_tree): Likewise.
15835 (change_state): New arg afterward. Update all callers.
15836 Handle matching separate insns.
15837 * recog.c (recog_next_insn): New.
15838 (peephole2_optimize): New.
15839 * rtl.def (DEFINE_PEEPHOLE2): New.
15840 * resource.c (find_free_register): New argument last_insn. Use it
15841 to find a register available through the entire span.
15842 * resource.h (find_free_register): Update prototype.
15844 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
15846 * i386.c (output_strlen_unroll): Don't write xops[7]
15847 label if it wasn't set.
15849 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
15851 * cpplib.c (struct directive): Const-ify name pointer and
15852 function pointer prototype.
15853 (validate_else, do_define, do_line, do_include, do_undef,
15854 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
15855 do_elif, do_endif, do_sccs, do_assert, do_unassert,
15856 do_warning): Const-ify second arg.
15857 (directive_table): Mark const. Reorder entries by frequency
15858 of usage, record statistics.
15860 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
15862 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
15863 bounds- check RTL accesses if --enable-checking.
15864 (RTVEC_ELT): Bounds check if --enable-checking.
15865 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
15866 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
15867 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
15869 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
15870 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
15872 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
15873 (NOTE_SOURCE_FILE): Use X0STR.
15874 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
15875 MEM_ALIAS_SET): Use X0INT.
15876 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
15877 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
15879 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
15880 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
15881 (rtl_check_failed_bounds, rtl_check_failed_type1,
15882 rtl_check_failed_type2, rtvec_check_failed_bounds): New
15884 (fancy_abort): Fix comment.
15886 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
15887 (cse_insn): Decrement LABEL_NUSES for jump target before
15888 deleting jump insn.
15889 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
15890 * final.c (alter_subreg): Compute regno before changing x to
15891 REG; set REGNO(x) after changing it.
15892 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
15893 notes containing CONST_INTs.
15894 (delete_eh_regions): Use NOTE_EH_HANDLER.
15895 * function.c (put_reg_into_stack): Make reg a MEM before
15897 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
15899 (gen_mem_addressof): Make reg a MEM before initializing it.
15900 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
15902 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
15903 deleting an insn, not after.
15904 (block_alloc): Only look at PATTERN(insn) if we have to, and
15905 only if it's format class 'i'.
15906 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
15907 CONST_INT before using its INTVAL.
15908 * print-rtl.c (print_rtx): Use X0STR.
15909 * regmove.c (fixup_match_1): Don't look at PATTERN of
15910 non-class-'i' insn chain elements.
15911 * reload.c (loc_mentioned_in_p): Take address of
15912 in->fld[1].rtx directly.
15913 * reload1.c (reload): Change reg to a MEM before initializing
15915 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
15917 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
15919 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
15921 * config/mips/mips.c (machine_dependent_reorg): Force a
15922 barrier to output the local constant pool if a barrier hasn't
15923 been found at a natural point in the instruction stream.
15925 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15927 * c-parse.in (language_string): Constify.
15929 * dwarf2out.c (language_string): Remove declaration.
15931 * dwarfout.c (language_string): Likewise.
15933 * toplev.c (language_string, init_parse, finish_parse): Likewise.
15935 * tree.h (language_string, init_parse, finish_parse): Declare.
15937 * i386/sun386.h (language_string): Remove declaration.
15939 * mips.h (language_string): Likewise.
15941 * nextstep.h (language_string): Likewise.
15943 * nextstep21.h (language_string): Likewise.
15945 * rs6000.c (language_string): Likewise.
15947 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15949 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
15950 (getpwd.o): Remove target.
15952 * getpwd.c: Delete file. Its in libiberty now.
15954 * dbxout.c (getpwd): Don't prototype.
15955 * dwarf2out.c (getpwd): Likewise
15956 * dwarfout.c (getpwd): Likewise
15957 * final.c (getpwd): Likewise.
15958 * protoize.c (getpwd): Likewise.
15960 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15962 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
15964 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
15966 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
15967 mark_set_resources.
15969 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
15971 * fixinc/Makefile.in (subdir): New.
15972 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
15975 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
15977 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
15978 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
15981 * invoke.texi: Fix typo.
15983 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
15984 changed. Handle autoincrement addressing modes.
15986 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
15987 just like we would the virtual incoming args register when
15990 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
15992 * rs6000.h (ASM_FILE_START): Specify complete filename, including
15993 path, in .file directive.
15995 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
15997 * gcc.texi (External Bugs): Remove obsolete note about Perl on
16000 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
16002 * stdbool.h: Make the typedef name _Bool, with bool a #defined
16005 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16007 * tree.c (tree_code_name): Constify a char*.
16009 * tree.h (tree_code_name, decl_printable_name): Likewise.
16011 * function.h (struct function): Likewise.
16013 * toplev.c (decl_name, decl_printable_name): Likewise.
16015 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
16017 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
16018 (init_objc): Remove function pointer cast.
16020 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16022 * pa.md (interspace_jump): New pattern.
16023 (builtin_longjmp): New expander.
16025 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
16027 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
16028 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
16029 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
16031 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
16033 * jump.c (delete_prior_computation): Also check calls
16034 to constant functions. Don't bother checking for a
16035 REG_UNUSED note before adding it.
16036 (delete_computation): Handle multi-word hard registers
16037 when synthesizing missing REG_DEAD notes for a register
16038 which is both set and used by an insn.
16040 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16042 * loop.c (this_loop_info): New variable.
16043 (loop_has_call, loop_has_volatile, loop_has_tablejump,
16044 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
16046 (prescan_loop, strength_reduce): New argument loop_info. All callers
16048 (scan_loop): New variable loop_info, initialise to address of
16050 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
16051 Delete variable loop_has_multiple_exit targets and replace with
16052 field in this_loop_info.
16053 (find_and_verify_loops): Rename this_loop to this_loop_num.
16054 (strength_reduce): Delete loop_iteration_info. Replace variable
16055 loop_info with function argument of same name.
16056 (insert_bct): Rework test for loop being completely unrolled.
16058 * loop.h (struct loop_info): New fields num, loops_enclosed,
16059 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
16060 has_indirect_jump, and cont. Redefine use of unroll_number.
16061 (loop_unroll_number): Delete.
16063 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
16064 field of loop_info.
16065 (loop_iterations): Delete variable vtop and instead use
16066 loop_info->vtop computed in prescan_loop.
16068 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
16070 * fix-header.c (main): Do not pass a null pointer to strcmp.
16072 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
16074 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
16076 * configure: Rebuilt.
16078 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
16080 * jump.c (jump_optimize_1): Do not delete assignments to
16081 internal_arg_pointer.
16082 * cse.c (delete_trivially_dead_insns): Always consider a set of
16083 the internal_arg_pointer live.
16085 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
16087 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
16088 (update_life_info) [REG_WAS_0]: Search the original insns rather
16089 than the new insns for the note. Fix typos finding note_dest.
16090 If no dest found, discard the note rather than abort.
16091 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
16092 (replace_insns): Remove the old insn list after update_life_info
16095 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
16097 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
16098 sched_analyze_insn.
16099 (sched_analyze_1): Let add_dependence care for not adding dups.
16100 (sched_analyze_2): Likewise.
16101 (add_branch_dependences): Likewise.
16103 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
16105 * i386/winnt.c (export_list): New type.
16106 (exports_head): Rename to
16107 (export_head): this.
16108 (i386_pe_record_exported_symbol): Add is_data flag.
16109 (i386_pe_asm_file_end): Emit directive for exported variables.
16110 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
16112 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
16113 (ASM_DECLARE_OBJECT_NAME): Likewise.
16114 (ASM_DECLARE_FUNCTION_NAME): Likewise.
16115 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
16117 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
16119 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
16121 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
16124 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
16126 * config/openbsd.h: Define SET_ASM_OP.
16127 * tm.texi: cross-reference SET_ASM_OP in the index.
16129 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
16131 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
16132 for a CONST_DOUBLE, at compile time. Initialize rtx_length
16133 and class_narrowest_mode at compile time. Kill init_rtl.
16134 Mark rtx_length, mode_class, mode_size, mode_unit_size,
16135 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
16136 rtx_format as const. Kill all references to EXTRA_CC_MODES or
16138 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
16140 * rtl.h: Declare rtx_length and rtx_format as const.
16141 * machmode.def: Define CC(). Use CC() to define CCmode. If
16142 EXTRA_CC_MODES is defined, expand it here.
16143 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
16144 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
16145 const. Kill all references to EXTRA_CC_MODES.
16147 * toplev.c: Don't prototype or call init_rtl.
16148 * optabs.c: Don't call init_mov_optab.
16149 * genemit.c: Don't generate init_mov_optab. Don't call
16151 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
16153 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
16154 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
16155 genrecog.c: Don't call init_rtl.
16157 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
16158 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
16159 definition of EXTRA_CC_MODES.
16161 * md.texi: Kill ref to EXTRA_CC_NAMES.
16162 * tm.texi: Document new way to define EXTRA_CC_MODES.
16164 * genrecog.c: Do not look up the name of a define_split.
16165 (Unrelated bugfix.)
16167 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
16169 * config/v850/v850.md: Fix typo introduced by previous delta.
16171 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16173 * gcc.c (fatal): Make definition static to match prototype.
16175 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16177 * combine.c (get_last_value): Don't look for earlier sets if the last
16178 known set is somewhere in between the insns being combined.
16180 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
16182 * configure.in: Don't use shell ! to negate exit codes
16183 * configure: Regenerate
16185 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
16187 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
16188 the fact that ALIGN is measured in bits, not bytes.
16190 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
16192 * errors.c: New file; defines functions error, warning, and
16193 fatal, variables have_error and progname.
16194 * errors.h: New file; prototypes and decls for stuff in errors.c.
16196 * Makefile: Add rules to build errors.o and
16197 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
16198 genopinit, genrecog, genextract, genpeep, genattr, and
16199 genoutput with errors.o. Add errors.h to deps of genconfig.o,
16200 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
16201 genpeep.o, genattr.o, and genoutput.o.
16203 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
16204 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
16205 define or prototype fatal. Set progname at beginning of main.
16206 * genoutput.c: Likewise, and don't define or prototype error
16209 * c-typeck.c (c_expand_start_case): Return immediately if exp
16211 * fold-const.c (operand_equal_p): Return immediately if arg1
16212 or arg0 are ERROR_MARKs.
16213 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
16214 fields of type ERROR_MARK when calculating if the record can
16217 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
16218 with much help from Jeffrey A Law and Richard Henderson
16220 * i386.md: In the 6 insns which call output_fix_trunc,
16221 earlyclobber operands[0].
16223 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
16225 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
16226 creating new registers.
16228 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
16230 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
16231 i386_reg_alloc_order, i386_regparm_string,
16232 i386_align_loops_string, i386_align_jumps_string,
16233 i386_align_funcs_string, i386_preferred_stack_boundary_string,
16234 and i386_branch_cost_string as type "const char *".
16235 * i386.c: Define all above strings as type "const char *".
16237 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
16239 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
16240 when emitting alignment padding. Emit padding byte of 0 instead of 4.
16242 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
16244 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
16245 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
16247 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
16249 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
16250 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
16251 (dwarf2out_line, dwarf2out_finish): Likewise.
16252 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
16254 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16256 * tree.c (lang_unsave_expr_now) : Correct return type.
16257 * tree.h (lang_unsave_expr_now) : Same.
16259 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
16261 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
16262 instead of duplicating code.
16264 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16266 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
16268 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
16270 * tree.h: fancy_abort always takes three args.
16271 * resource.c: Move include of system.h before toplev.h.
16273 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
16275 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
16278 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
16280 * system.h: Don't redefine abort or trim_filename.
16281 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
16282 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
16283 whether or not __FUNCTION__ is available.
16284 * tree.h: Duplicate rtl.h's definition of abort, for files
16285 that don't include rtl.h. Delete all code to perform type
16286 checking with a compiler other than GCC.
16287 * varray.h: Delete all code to perform type checking with a
16288 compiler other than GCC. Make VARRAY_CHECK() always evaluate
16289 its arguments exactly once, using a statement expression.
16290 Adjust the VARRAY_<type> accessor macros to match.
16291 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
16292 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
16293 caller's location. Define fatal_insn and fatal_insn_not_found
16294 as macros that use _fatal_insn and _fatal_insn_not_found.
16295 (fancy_abort, trim_filename): Kill prototypes.
16297 * rtl.c (trim_filename): Move here from toplev.c.
16298 (fancy_abort): New function.
16299 (DIR_SEPARATOR): Provide default definition.
16300 * tree.c (tree_check_failed, tree_class_check_failed): Go
16301 through fancy_abort.
16302 (tree_check, tree_class_check, cst_or_constructor_check,
16303 expr_check): Delete.
16304 * varray.c (varray_check_failed): New function.
16305 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
16306 _fatal_insn and _fatal_insn_not_found. Go through
16308 (trim_filename, fancy_abort): Delete.
16310 * builtins.c (expand_builtin_args_info): Report ICE with abort.
16311 * except.c (start_catch_handler): Report ICE with error/abort
16313 * final.c (output_operand_lossage): Likewise.
16314 * flow.c (verify_flow_info): Likewise.
16316 * gcc.c: Prototype fatal.
16317 * gengenrtl.c: Undef abort after including rtl.h not system.h.
16318 * genattr.c, genattrtab.c, genemit.c, genextract.c,
16319 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
16320 Don't define fancy_abort.
16322 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
16324 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
16327 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
16329 * m88k.h (VERSION_INFO2): Kill.
16330 (VERSION_STRING): Kill.
16332 (VERSION_INFO1): Tidy.
16333 (TARGET_VERSION): Update.
16334 * m88k/dgux.h (VERSION_INFO2): Kill.
16335 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
16336 * m88k/luna.h (VERSION_INFO1): Tidy.
16337 * m88k/sysv4.h (VERSION_INFO1): Likewise.
16338 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
16339 (output_file_start): Adjust for death of VERSION_STRING.
16341 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
16343 * cpplib.c (detect_if_not_defined): New function.
16344 (do_if): Use it to detect potential once-only headers.
16346 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
16348 * c-common.c (combine_strings): Always set TREE_CONSTANT.
16350 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16352 * combine.c (nonzero_bits) : Allow single-ly set registers to be
16353 anywere in the function only if they are pseudos and set before
16354 being used (not live at the start of the function).
16355 (num_sign_bit_copies) : Same.
16356 (get_last_value_validate) : Same.
16357 (get_last_value) : Same.
16359 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
16361 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
16362 where N and M are constant and N is an integer multiple of M.
16364 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16366 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
16367 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
16368 sbitmap_union_of_preds): Add prototypes.
16369 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
16370 the intersection of successors with the new flow graph structures.
16371 (sbitmap_intersection_of_preds): New function to compute the
16372 intersection of predecessors with the new flow graph structures.
16373 (sbitmap_union_of_succs): New function to compute the union of
16374 successors with the new flow graph structures.
16375 (sbitmap_union_of_preds): New function to compute the union of
16376 predecessors with the new flow graph structures.
16377 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
16378 (expr_reaches_here_p): Use edge and basic_block structures instead
16379 of s_preds and s_succs.
16380 (compute_cprop_avinout): Use new sbitmap routines.
16381 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
16382 of s_preds and s_succs.
16383 * flow.c (compute_flow_dominators): Compute dominators using
16384 edges and basic blocks instead of s_preds and s_succs.
16386 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16388 * lists.c (unused_insn_list, unused_expr_list): New file for
16389 maintaining various types of lists. New statics for maintaining a
16390 cache of available INSN_LIST and EXPR_LIST nodes.
16391 (free_list): Static function for freeing a list of INSN/EXPR nodes.
16392 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
16393 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
16394 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
16395 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
16396 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
16397 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
16398 (free_INSN_LIST_node): Free an individual INSN_LIST node.
16399 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
16400 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
16401 (remove_dependence, free_pending_lists): Use new global routines.
16402 (flush_pending_lists, sched_analyze_insn): Use new global routines.
16403 (sched_analyze, compute_block_backward_dependences): Use new routines.
16404 (sched_analyze_1, sched_analyze_2): Use new routines.
16405 (schedule_insns): Use new global routines.
16406 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
16408 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
16409 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
16411 * toplev.c (rest_of_compilation): Initialize node cache.
16412 * Makefile.in (OBJS): Add lists.o to list of object files.
16413 (lists.o): Add dependancies.
16415 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
16417 * config/v850/v850.md: Fix compile time warning messages.
16418 * config/v850/v850.c: Fix compile time warning messages.
16419 * config/v850/v850.h: Fix compile time warning messages.
16421 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16423 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
16424 Remove unused prototype for `init_lengths'.
16426 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16428 * calls.c (emit_call_1): Mark parameter `stack_size' with
16430 (expand_call): Initialize variable `insn'.
16431 (emit_library_call): Likewise for variable `high_to_save'.
16432 (emit_library_call_value): Likewise.
16433 (store_one_arg): Likewise for variables `lower_bound' and
16436 * combine.c (try_combine): Likewise for variables `i2_code_number'
16437 and `other_code_number'.
16438 (find_split_point): Likewise for variables `pos', `unsignedp' and
16440 (simplify_if_then_else): Likewise for variables `op' and `c1'.
16441 (simplify_and_const_int): Remove unused variable `width'.
16442 (merge_outer_ops): Likewise.
16444 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
16445 HOST_WIDE_INT' when comparing against one.
16446 (simplify_relational_operation): Likewise.
16447 (cse_insn): Initialize variables `src_eqv_volatile',
16448 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
16450 * final.c (init_final): Constify parameter `filename'.
16451 (final_start_function): Mark parameter `optimize' with
16453 (profile_function): Likewise for parameters `first' and `optimize'.
16454 (output_source_line): Likewise for parameter `file'.
16456 * integrate.c (subst_constants): Cast a value to `size_t' when
16457 comparing against one.
16458 (mark_stores): Initialize variable `mode'. Cast a value to
16459 `size_t' when comparing against one.
16461 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
16463 * loop.c (move_movables): Initialize variable `first'.
16464 (strength_reduce): Likewise for variable `increment'.
16465 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
16466 value to `size_t' when comparing against one.
16467 (load_mems): Initialize variable `end_label'.
16469 * output.h (init_final): Constify parameter.
16471 * reload.c (decompose): Initialize variable `base'.
16473 * reload1.c (reload): Likewise for variable `is_scalar'.
16474 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
16475 (choose_reload_regs): Initialize variable `mode'.
16476 (emit_reload_insns): Likewise for variable `store_insn'.
16477 (reload_cse_noop_set_p): Mark parameter `insn' with
16479 (reload_combine): Initialize variable `set'.
16481 * unroll.c (unroll_loop): Likewise for variable `local_label'.
16482 (copy_loop_body): Cast a value to `size_t' when comparing against
16485 * varasm.c (assemble_variable): Initialize variable `size_tree'.
16486 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
16487 (remove_from_pending_weak_list): Mark parameter `name' with
16490 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16492 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
16495 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
16497 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
16498 (ASM_DECLARE_FUNCTION_NAME): Define.
16499 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
16500 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
16501 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
16502 not already defined.
16504 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16506 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
16507 of n_popped when call/call_value are not defined.
16509 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
16511 * tm.texi: GNU CC -> GCC conversion.
16512 (CC1_SPEC): Indicate it is used for all language front ends.
16514 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
16516 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
16517 NOTE_INSN_EH_REGION_END correctly.
16519 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16520 Jeff Law <law@cygnus.com>
16522 * loop.c (strength_reduce): Automatically unroll loops if the
16523 unrolled loop size is smaller than the rolled loop size.
16525 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
16526 and delete comment that code should be rewritten.
16528 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
16530 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
16533 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
16535 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
16537 * fixinc/mkfixinc.sh: Don't fix uwin headers.
16538 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
16539 (LINK_SPEC): Add -u _main when building executables.
16540 (ASM_DECLARE_FUNCTION): Update from Cygwin.
16541 (ASM_FILE_END): Use the default for ix86-pe.
16542 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
16544 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
16546 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
16547 and ASM_CLOSE_PAREN are empty strings.
16549 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
16550 Geoffrey Keating <geoffk@cygnus.com>
16552 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
16553 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
16554 (unprotoize.o): Ditto.
16555 (test-protoize-simple): Don't define STD_PROTO_DIR.
16556 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
16557 changes to make 'test-protoize-simple' pass.
16558 (STD_PROTO_DIR): Remove define.
16559 (STANDARD_EXEC_PREFIX): Supply default define.
16560 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
16561 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
16562 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
16563 (GET_ENV_PATH_LIST): New macro.
16564 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
16565 (do_processing): Initialize default_syscalls_dir using new
16566 macros. Use it to initialize syscalls_absolute_filename.
16568 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
16570 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
16571 B into a register before emit_conditional_move.
16573 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
16575 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
16576 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
16577 multiplicand out of (+ (* a b) (* c d)).
16579 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
16580 Richard Henderson <rth@cygnus.com>
16582 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
16583 (new_insn_dead_notes): Likewise.
16584 (update_n_sets): Likewise.
16585 (update_flow_info): Move to flow.c, renamed to update_life_info;
16586 extend to handle multiple source insns.
16587 * flow.c: Include resource.h
16588 (unlink_insn_chain): New.
16589 (split_hard_reg_notes): New.
16590 (maybe_add_dead_note): New.
16591 (maybe_add_dead_note_use): New.
16592 (find_insn_with_note): New.
16593 (new_insn_dead_notes): New.
16594 (update_n_sets): New.
16595 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
16596 (maybe_remove_dead_notes): New.
16597 (update_life_info): New.
16598 (prepend_reg_notes): New.
16599 (replace_insns): New.
16600 * output.h (update_life_info): Declare.
16601 * recog.c (split_block_insns): Use update_life_info.
16602 * resource.c (find_free_register): Use reg_alloc_order, don't use
16603 fixed regs, make sure the mode is supported, don't use new regs.
16605 * rtl.h (replace_insns): Declare.
16607 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
16609 * expr.c (expand_expr): Cope with COND_EXPRs with one
16610 non-returning branch.
16612 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
16614 * expr.c (store_expr): Always pass down the target, even when not
16617 1999-08-24 Nick Clifton <nickc@cygnus.com>
16619 * configure.in: Define target_cpu_default for v850 targets.
16620 * configure: Regenerate
16622 * config/v850/v850.h (TARGET_CPU_generic): Define.
16623 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
16624 addresses are 4 byte aligned.
16626 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
16629 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16631 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
16632 (main): Add prototypes.
16634 * genattrtab.c (substitute_address, write_const_num_delay_slots,
16635 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
16636 (write_attr_get): Emit prototypes along with function definition.
16637 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
16638 (write_complex_function): Emit static prototype along with
16639 function definition.
16641 * genemit.c (gen_split): Emit prototypes along with function
16644 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
16645 Likewise for predicates and `insn_operand_predicate'.
16646 (process_template): Emit static prototype along with function
16649 * genrecog.c (make_insn_sequence): Constify a char*. Add
16650 prototypes for get_split_*().
16651 (write_subroutine): Emit prototypes along with function
16654 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16656 * gcse.c (find_avail_set): Follow chains of register-register copies.
16657 Use oprs_not_set_p to guarantee that the returned value can be
16659 (cprop_insn): Don't verify the return value of find_avail_set with
16662 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
16663 (cprop_cc0_jump): New function.
16664 (cprop_insn): Break out new function cprop_jump and use it.
16665 Also use cprop_cc0_jump for machines with CC0.
16666 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
16668 * tree.h (current_function_calls_setjmp,
16669 current_function_calls_longjmp): Delete declarations.
16670 * dsp16xx.c: Include "function.h".
16671 * elxsi.c: Likewise.
16672 * gmicro.c: Likewise.
16673 * h8300.c: Likewise.
16674 * i370.c: Likewise.
16675 * m32r.c: Likewise.
16676 * mn10200.c: Likewise.
16677 * mn10300.c: Likewise.
16678 * ns32k.c: Likewise.
16679 * spur.c: Likewise.
16680 * v850.c: Likewise.
16682 * rtl.h (rtx_equal_function_value_matters): Declare.
16683 * toplev.c (rtx_equal_function_value_matters): Don't declare.
16685 * function.c: Likewise.
16686 * emit-rtl.c: Likewise.
16688 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
16690 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
16693 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16695 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
16698 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
16700 * cpp.texi: Add a node documenting macro varargs (copied
16703 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
16705 * cppspec.c: Put a null pointer at the end of the new argv.
16707 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
16709 * configure.in: Remove code to select/de-select the haifa
16710 scheduler. Every scheduled port gets haifa now.
16711 * configure: Rebuilt.
16712 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
16714 * Makefile.in: Corresponding changes.
16716 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16718 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
16719 All callers changed.
16720 (prepare_float_lib_cmp): Likewise.
16721 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
16722 * expr.h (emit_float_lib_cmp): Delete declaration.
16723 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
16724 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
16725 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
16727 (cmptf): Now conditional on TARGET_HARD_QUAD.
16729 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
16731 * resource.c (mark_target_live_regs): Use
16732 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
16734 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16736 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
16738 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
16740 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
16742 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16744 * rtl.h (rtx_format): Constify a char*.
16746 * rtl.c (rtx_format): Likewise.
16747 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
16748 (init_rtl): Use accessor macro, not `rtx_format'.
16750 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
16753 * caller-save.c (mark_referenced_regs): Likewise.
16755 * combine.c (subst, make_compound_operation, known_cond,
16756 gen_rtx_combine, update_table_tick, get_last_value_validate,
16757 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
16759 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
16760 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
16761 count_reg_usage): Likewise.
16763 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
16766 * final.c (leaf_renumber_regs_insn): Likewise.
16768 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
16769 dump_edge_info, count_reg_references): Likewise.
16771 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
16772 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
16775 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
16776 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
16777 add_label_notes): Likewise.
16779 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
16780 clear_struct_flag, count_sub_rtxs, count_alternatives,
16781 compares_alternatives_p, contained_in_p, walk_attr_value,
16782 write_expr_attr_cache): Likewise.
16784 * genconfig.c (walk_insn_part): Likewise.
16786 * genemit.c (max_operand_1, gen_exp): Likewise.
16788 * genextract.c (walk_rtx): Likewise.
16790 * genflags.c (num_operands): Likewise.
16792 * genoutput.c (scan_operands): Likewise.
16794 * genpeep.c (match_rtx): Likewise.
16796 * genrecog.c (add_to_sequence): Likewise.
16798 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
16801 * integrate.c (save_constants, copy_for_inline,
16802 copy_rtx_and_substitute, subst_constants, restore_constants):
16805 * jump.c (mark_jump_label, invert_exp, redirect_exp,
16806 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
16808 * local-alloc.c (contains_replace_regs, memref_referenced_p):
16811 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
16812 add_label_notes, replace_call_address, count_nonfixed_reads,
16813 invariant_p, find_single_use_in_loop, find_mem_givs,
16814 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
16817 * print-rtl.c (reg_names, print_rtx): Likewise.
16819 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
16821 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
16822 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
16823 print_blocks): Likewise.
16825 * regclass.c (fix_register, record_address_regs,
16826 reg_scan_mark_refs): Likewise.
16828 * regmove.c (stable_but_for_p): Likewise.
16830 * reload.c (loc_mentioned_in_p, operands_match_p,
16831 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
16832 copy_replacements, refers_to_regno_for_reload_p,
16833 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
16834 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
16837 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
16838 delete_address_reloads_1, count_occurrences,
16839 reload_cse_mem_conflict_p, reload_combine_note_use,
16840 add_auto_inc_notes): Likewise.
16842 * resource.c (mark_referenced_resources, mark_set_resources):
16845 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
16846 reg_mentioned_p, regs_set_between_p, modified_between_p,
16847 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
16848 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
16849 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
16850 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
16852 * sched.c (sched_analyze_2, attach_deaths): Likewise.
16854 * stupid.c (stupid_mark_refs): Likewise.
16856 * unroll.c (remap_split_bivs): Likewise.
16858 * varasm.c (mark_constants): Likewise.
16860 * a29k/a29k.c (uses_local_reg_p): Likewise.
16862 * alpha/alpha.c (summarize_insn): Likewise.
16864 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
16865 eliminate_lr2ip): Likewise.
16867 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
16869 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
16870 reg_mentioned_in_mem): Likewise.
16872 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
16873 symbolic_reference_mentioned_p): Likewise.
16875 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
16877 * sh/sh.c (regs_used, mark_use): Likewise.
16879 * vax/vax.c (vax_rtx_cost): Likewise.
16881 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16883 * machmode.h (mode_name): Constify a char*.
16885 * rtl.c (mode_name): Likewise.
16887 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
16889 * optabs.c (init_libfuncs): Constify a char*.
16891 * print-tree.c (mode_name): Remove redundant declaration.
16892 (print_node): Use accessor macro, not `mode_name'.
16894 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
16896 (new_spill_reg): Constify a char*.
16898 * tree.c (mode_name): Remove redundant declaration.
16900 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16902 * rtl.c (rtx_name): Constify a char*.
16904 * rtl.h (rtx_name, fix_sched_param): Likewise.
16906 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
16907 (mypr): Use accessor macro, not `rtx_name'.
16909 * genemit.c (print_code): Constify a char*.
16911 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
16913 * genpeep.c (print_code): Constify a char*.
16915 * genrecog.c (print_code): Likewise.
16917 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
16918 end_bb): Add static prototype.
16919 (draw_edge): Constify a char*.
16920 (end_bb): Remove unused parameter.
16922 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
16923 print_block_visualization): Constify a char*.
16925 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
16927 * c-common.c (c_get_alias_set): Update comment.
16929 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
16931 * linux.h (LIB_SPEC): Added.
16933 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16935 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
16937 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
16939 * tree.c (expr_check): Fix typo in last change.
16941 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
16943 * rtl.def (NOTE): Change format to "iuu0n".
16944 (ADDR_DIFF_VEC): Change format to "eEee0".
16945 (ADDRESSOF): Change format to "eit".
16947 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
16948 (RTVEC_ELT): Change to match.
16949 (XVECEXP): Use XVEC and RTVEC_ELT.
16950 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
16951 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
16952 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
16953 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
16954 TRAP_CONDITION, TRAP_CODE): Use XEXP.
16955 (INTVAL): Use XWINT.
16956 (ADDRESSOF_DECL): Use XTREE.
16957 (SET_ADDRESSOF_DECL): Delete.
16958 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
16959 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
16960 ifdefed out since 2.6 at least.
16961 (gen_rtvec_vv): Delete prototype.
16963 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
16965 (copy_most_rtx): Handle 't' format letter.
16966 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
16967 (gen_rtvec_vv): Delete function. All callers changed to use
16968 gen_rtvec_v instead.
16969 * print-rtl.c (print_rtx): Move special casing of NOTEs to
16970 the '0' format letter.
16972 * function.c (gen_mem_addressof): Don't use
16973 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
16975 * integrate.c (copy_rtx_and_substitute): Likewise.
16976 Copy 't' slots with XTREE.
16977 (subst_constants): Treat 't' slots like '[swi]' slots.
16978 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
16979 * jump.c (rtx_equal_for_thread_p): Likewise.
16980 * rtlanal.c (rtx_equal_p): Likewise.
16981 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
16982 only four arguments.
16983 * gengenrtl.c (type_from_format): Provide correct types for
16987 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
16988 If a recent gcc is in use (always in stage2 and beyond), use
16989 statement expressions, so we don't make a function call unless
16990 the check fails. Evaluate arguments exactly once.
16991 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
16992 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
16994 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
16995 they evaluate their arguments exactly once, irrespective of
16996 the compiler in use.
16998 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
16999 is used by the currently-enabled check macros. This is:
17000 (tree_check_failed, tree_class_check_failed): For gcc.
17001 (tree_check, tree_class_check, cst_or_constructor_check,
17002 expr_check): For other compilers.
17004 * gencheck.c: Do not define any *_CHECK1 macros.
17006 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
17007 Mark Mitchell <mark@codesourcery.com>
17009 * c-common.c (c_get_alias_set): Fix support for poitners and
17012 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
17014 * alias.c: Include tree.h.
17015 (nonlocal_reference_p, mark_constant_function): New functions.
17016 * flow.c (life_analysis): Call mark_constant_function.
17017 * rtl.h (mark_constant_function): Declare it.
17019 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
17021 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
17022 unrecognisable switches.
17024 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17026 * loop.c (recombine_givs): Set ix field after sorting.
17027 (recombine_givs): Remove bogus index / giv lockstep looping.
17029 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17031 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
17033 (emit_store_flag_force): Use do_compare_rtx_and_jump.
17034 (do_cmp_and_jump): Formatting fixes.
17035 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
17036 do_compare_rtx_and_jump instead of compare_from_rtx.
17037 (do_compare_rtx_and_jump): New function; mostly copied from
17039 (do_jump_for_compare): Delete.
17040 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
17042 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
17043 of compare/do_jump_for_compare pairs.
17044 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
17045 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
17046 compare_from_rtx/do_jump_for_compare pairs.
17047 (do_jump_by_parts_equality): Likewise.
17048 (do_jump_by_parts_equality_rtx): Likewise.
17049 * expr.h (do_compare_rtx_and_jump): Declare.
17050 * optabs.c (prepare_cmp_insn): New function, contains most of the code
17051 that used to be in emit_cmp_insn.
17052 (cmp_available_p): New function.
17053 (prepare_operand): New function.
17054 (emit_cmp_and_jump_insn_1): New function, contains some code that used
17055 to be in emit_cmp_insn.
17056 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
17057 parameters to be pointers; don't emit final compare but modify some of
17058 the values pointed to by the args so the caller can perform the
17059 correct comparison.
17060 (expand_binop): Call emit_store_flag_force with signed forms of
17062 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
17063 emit_jump_insn pair.
17064 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
17065 emit_cmp_and_jump_insn_1. Call emit_queue.
17066 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
17068 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
17069 jump sets cc0 before deleting it.
17070 * integrate.c (expand_inline_function): Likewise.
17071 * unroll.c (unroll_loop): Similar changes in several places.
17072 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
17073 before deleting it.
17075 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17077 * Makefile.in (insn-recog.o): Update dependencies.
17078 * genrecog.c (main): Make generated file include "function.h".
17080 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
17082 * cse.c (cse_insn): Call never_reached_warning when a jump is
17083 changed to be unconditional.
17084 * flags.h: Declare warn_notreached.
17085 * flow.c (delete_block): Call never_reached_warning when
17086 a block is deleted.
17087 * jump.c (delete_barrier_successors): Call never_reached_warning
17088 when we delete everything after a BARRIER.
17089 (never_reached_warning): New function.
17090 * rtl.h: Declare never_reached_warning.
17091 * toplev.c (warn_notreached): New variable.
17092 (lang_independent_options): Set warn_notreached
17093 when -Wunreachable-code.
17094 (compile_file): We need line numbers for -Wunreachable-code.
17096 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
17098 * haifa-sched.c (insn_unit): Fix typo on out of range test.
17099 * sched.c (insn_unit): Likewise.
17101 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
17103 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
17105 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17107 * flow.c (create_edge_list): Use xmalloc, not malloc.
17109 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
17111 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
17112 C-style comments. Do not lose the character before double slash.
17114 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17116 * basic-block.h (struct edge_list): Stucture to maintain a vector
17118 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
17119 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
17120 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
17121 New function prototypes.
17122 * flow.c (create_edge_list): Function to create an edge list.
17123 (free_edge_list): Discards memory used by an edge list.
17124 (print_edge_list): Debug output showing an edge list.
17125 (verify_edge_list): Internal consistency check for an edge list.
17126 (find_edge_index): Function to find an edge index for a pred and succ.
17128 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
17130 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
17133 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
17135 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
17137 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17139 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
17141 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
17143 * toplev.c (rest_of_compilation): Allow machine dependent
17144 reorganisation pass to place information into the RTL dump
17145 file if it so wishes.
17147 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
17149 * explow.c (hard_function_value): Use VOIDmode instead of
17151 * stmt.c (expand_return): Likewise.
17152 * stor-layout.c (get_best_mode): Likewise.
17154 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
17155 emit call instead of emit_insn call.
17157 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
17159 * configure.in: Handle --disable/enable-win32-registry.
17160 * install.texi: Document --disable/enable-win32-registry.
17161 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
17162 (WIN32_REGISTRY_KEY): New macro.
17163 * prefix.c: Use to enable/disable win32-specific code.
17164 (lookup_key): Use versioned key.
17165 * configure: Regenerate.
17166 * config.in: Likewise.
17168 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
17170 * cpplib.c (read_line_number): New fn, split out of...
17173 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17175 tree.c (lang_unsave_expr_now) : New.
17176 (unsave_expr_now): Call lang_unsave_expr_now.
17177 tree.h (lang_unsave_expr_now) : New.
17179 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
17181 * toplev.c (flag_new_exceptions): On by default.
17183 1999-08-13 Michael Meissner <meissner@cygnus.com>
17185 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
17187 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17189 * dwarfout.c (fundamental_type_code): Return FT_boolean for
17190 INTEGER_TYPE with precision==1, it's __java_boolean.
17192 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17194 * global.c (prune_preferences): Move some invariants out of the
17197 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
17199 * configure.in (alpha*-dec-osf*): Add osf5.
17201 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
17203 * configure.in: Rework handling of ARM GNU/Linux slightly.
17204 (arm*-*-linux-gnuoldld): New target.
17205 * configure: Regenerate.
17206 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
17207 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
17208 * config/arm/linux-oldld.h: New file.
17209 * config/arm/linux-elf26.h: Don't include linux-elf.h.
17210 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
17212 * config/arm/linux-elf.h (ASM_SPEC): Define.
17213 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
17214 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
17215 for 26-bit APCS and old linker.
17216 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
17218 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
17219 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
17220 don't define `arm' or `arm_elf'.
17221 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
17222 MULTILIB_DIRNAMES): Define. Fix typo in comment.
17224 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
17226 * rtl.texi: Fix typo.
17228 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
17230 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
17232 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
17234 * extend.texi (C++ Signatures): Remove node.
17235 * invoke.texi: Remove discussion of -fhandle-signatures,
17236 signature, sigof, __signature__, and __sigof__.
17238 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
17240 * Makefile.in (JAVAGC): Removed.
17242 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
17244 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17246 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
17248 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17250 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
17252 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
17253 a register that is already known to be a pointer.
17255 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
17257 * fixinc/inclhack.tpl: Only install assert.h conditionally.
17258 * fixinc/inclhack.sh: Regenerated.
17259 * fixinc/fixincl.sh: Regenerated.
17261 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
17263 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
17264 Fix documentation of -ansi flag to describe its C++ behavior.
17265 Remove bogus reference to GCC 2.9.
17267 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
17269 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
17270 note if it is non-NULL.
17272 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17274 * except.h (eh_nesting_info): Add new structure defintion.
17275 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
17276 (reachable_handlers, update_rethrow_references): Add function
17278 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
17279 a rethrow symbol instead of an integer exception region number.
17280 * flow.c (Make_edges): Use new exception nesting routines to determine
17281 which handlers are reachable from a CALL or asynchronous insn.
17282 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
17284 (delete_eh_regions): Update rethrow labels, and don't delete
17285 regions which are the target of a rethrow.
17286 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
17287 avoid overloading the SYMBOL_REF_USED flag.
17288 (rethrow_symbol_map): Use new rethrow_ref field.
17289 (rethrow_used): Use new rethrow_ref field.
17290 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
17291 of an integer. Fix formatting.
17292 (output_exception_table_entry): Use new rethrow_ref field.
17293 (can_throw): Check for EH_REGION_NOTE before deciding
17294 whether a CALL can throw or not.
17295 (scan_region): Call rethrow_used() instead of accessing data structure.
17296 (update_rethrow_references): New function to make sure only regions
17297 which are still targets of a rethrow are flagged as such.
17298 (process_nestinfo): New static function to initialize a handler
17299 list for a specific region.
17300 (init_eh_nesting_info): New function to allocate and initialize
17301 the list of all EH handlers reachable from all regions.
17302 (reachable_handlers): New function to retrieve the list of handlers
17303 reachable from a specific region and insn.
17304 (free_eh_nesting_info): New function to dispose of a list of
17305 reachable handlers.
17307 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17309 * flow.c (split_edge): Set JUMP_LABEL field.
17310 (commit_one_edge_insertion): Set head correctly for insert_before.
17311 When inserting insns, update insn block numbers if allocated.
17313 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17315 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
17316 retry_incomplete_types): Add static prototype.
17317 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
17318 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
17319 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
17320 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
17321 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
17324 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
17325 dwarf2out_start_source_file, dwarf2out_line): Likewise.
17327 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17329 * output.h (assemble_name): Constify a char*.
17331 * varasm.c (UNIQUE_SECTION, assemble_start_function,
17332 assemble_variable, assemble_name): Likewise.
17334 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
17336 * arm/pe.c (arm_pe_unique_section): Likewise.
17338 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
17340 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
17342 * i386/interix.c (i386_pe_unique_section): Likewise.
17344 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
17346 * i386/winnt.c (i386_pe_unique_section): Likewise.
17348 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
17350 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
17352 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
17354 * pa/pa.c (output_call): Likewise.
17356 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
17358 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
17360 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
17363 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
17366 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
17368 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
17369 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
17371 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
17373 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17375 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
17377 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17379 * tree.h (lang_identify): Constify a char*.
17380 (print_error_function): Add extern prototype. Constify a char*.
17382 * c-lang.c (lang_identify): Constify a char*.
17384 * objc/objc-act.c (lang_identify): Constify a char*.
17386 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17388 * genpeep.c (main): Make generated file include "function.h".
17389 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
17391 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17393 * Makefile.in: Update dependencies.
17394 * alias.c: Include "function.h"
17395 * c-decl.c: Likewise.
17396 * caller-save.c: Likewise.
17397 * calls.c: Likewise.
17398 * combine.c: Likewise.
17400 * explow.c: Likewise.
17401 * final.c: Likewise.
17402 * global.c: Likewise.
17403 * graph.c: Likewise.
17404 * local-alloc.c: Likewise.
17405 * loop.c: Likewise.
17406 * optabs.c: Likewise.
17407 * profile.c: Likewise.
17408 * recog.c: Likewise.
17409 * regclass.c: Likewise.
17410 * regmove.c: Likewise.
17411 * reload.c: Likewise.
17412 * reorg.c: Likewise.
17413 * resource.c: Likewise.
17414 * sched.c: Likewise.
17415 * stupid.c: Likewise.
17416 * config/1750a/1750a.c: Likewise.
17417 * config/a29k/a29k.c: Likewise.
17418 * config/arc/arc.c: Likewise.
17419 * config/arm/arm.c: Likewise.
17420 * config/arm/thumb.c: Likewise.
17421 * config/c4x/c4x.c: Likewise.
17422 * config/clipper/clipper.c: Likewise.
17423 * config/convex/convex.c: Likewise.
17424 * config/fx80/fx80.c: Likewise.
17425 * config/i860/i860.c: Likewise.
17426 * config/m68k/m68k.c: Likewise.
17427 * config/m88k/m88k.c: Likewise.
17428 * config/mips/mips.c: Likewise.
17429 * config/pdp11/pdp11.c: Likewise.
17430 * config/pyr/pyr.c: Likewise.
17431 * config/romp/romp.c: Likewise.
17432 * config/sh/sh.c: Likewise.
17433 * config/tahoe/tahoe.c: Likewise.
17434 * config/vax/vax.c: Likewise.
17435 * config/we32k/we32k.c: Likewise.
17436 * config/sparc/sparc.c: Include "function.h".
17437 (mem_min_alignment): Test current_function rather than
17438 regno_pointer_align.
17439 * config/pa/pa.c: Likewise.
17440 (compute_frame_size): Delete declaration of
17441 current_function_outgoing_args_size.
17442 * config/arc/arc.h (current_function_varargs): Delete declaration.
17443 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
17445 * config/i370/i370.h (current_function_outgoing_args_size): Delete
17447 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
17448 current_function_uses_pic_offset_table.
17449 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
17450 of current_function_returns_pointer.
17451 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17452 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17453 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17454 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17455 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17456 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17457 * config/m88k/m88k.c: Include "function.h"
17458 (call_used_regs, current_function_pretend_args_size,
17459 current_function_outgoing_args_size, frame_pointer_needed): Delete
17461 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
17463 * config/mips/mips.h (current_function_calls_alloca): Delete
17465 * config/mn10200/mn10200.h (current_function_needs_context,
17466 rtx_equal_function_value_matters): Delete declarations.
17467 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
17468 flag_pic): Delete declarations.
17469 * config/pa/pa.h (current_function_pretend_args_size,
17470 current_function_decl): Delete declarations.
17471 * config/pa/som.h (current_function_varargs): Delete declaration.
17472 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
17474 * config/pyr/pyr.h (current_function_pretend_args_size,
17475 current_function_args_size, current_function_calls_alloca): Delete
17477 * config/sh/sh.h (current_function_varargs): Delete declaration.
17478 * config/sparc/sparc.h (current_function_outgoing_args_size,
17479 current_function_calls_alloca, current_function_decl): Delete
17481 * config/spur/spur.h (current_function_pretend_args_size,
17482 current_function_calls_alloca): Delete declarations.
17483 * config/v850/v850.c (current_function_outgoing_args_size): Delete
17485 * config/vax/vms.h (current_function_name): Delete declaration.
17486 * gcse.c: Include "function.h".
17487 (current_function_name, current_function_calls_setjmp): Delete
17489 * haifa-sched.c: Include "function.h".
17490 (forced_labels): Delete declaration.
17491 * jump.c: Likewise.
17492 * reg-stack.c: Likewise.
17493 * reload1.c: Likewise.
17494 * genemit.c (main): Make generated file include function.h.
17495 * genoutput.c (output_prologue): Likewise.
17497 * builtins.c (saveregs_value, apply_args_value): Delete variables.
17498 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
17499 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
17500 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
17501 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
17502 macros for some of them.
17503 (emit_filename, emit_lineno): Delete declarations.
17504 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
17505 regno_pointer_* variables through current_function.
17506 (gen_inline_header_rtx): Delete function.
17507 (save_emit_status): Delete function.
17508 (set_new_last_label_num): New function.
17509 (clear_emit_caches): New function.
17510 (restore_emit_status): Just clear last_labelnum and call
17512 (get_last_insn_anywhere): Variable sequence_stack is now accessed
17513 through macro seq_stack.
17514 (add_insn_after): Likewise.
17515 (add_insn_before): Likewise.
17516 (remove_insn): Likewise.
17517 (pop_topmost_sequence): Likewise.
17518 (in_sequence_p): Likewise.
17519 (start_sequence_for_rtl_expr): Likewise.
17520 (start_sequence): Likewise, and likewise for
17521 sequence_rtl_expr/seq_rtl_expr.
17522 (push_topmost_sequence): Likewise.
17523 (end_sequence): Likewise.
17524 (init_virtual_regs): Now takes a "struct emit_status *" argument.
17525 All callers changed. Store into that pointer instead of globals.
17526 (init_emit): Allocate emit elt of current_function.
17527 Changes for sequence_rtl_expr/sequence_stack renaming.
17528 Call clear_emit_caches instead of doing it in-line.
17529 Access regno_pointer_* variables through current_function.
17530 (init_emit_once) Don't clear sequence_stack.
17532 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
17534 (arg_pointer_save_area): Delete declaration.
17535 (finish_expr_for_function): Renamed from init_queue; no longer static.
17536 (init_expr): Don't call init_queue.
17537 (save_expr_status, restore_expr_status): Delete functions.
17538 (expand_expr): Changes to reflect new layout of struct function.
17539 Don't access current_function_check_memory_usage when current_function
17541 * expr.h (forced_labels, save_expr_regs, saveregs_value,
17542 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
17543 current_function_outgoing_args_size, current_function_arg_offset_rtx,
17544 current_function_uses_const_pool, function_call_count,
17545 current_function_uses_pic_offset_table, nonlocal_labels,
17546 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
17547 current_function_check_memory_usage, nonlocal_goto_handler_slots,
17548 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
17550 (finish_expr_for_function): Declare.
17551 * flags.h (current_function_has_nonlocal_label,
17552 current_function_has_nonlocal_goto, current_function_is_thunk,
17553 current_function_has_computed_jump): Delete declarations.
17554 * flow.c (forced_labels): Delete declaration.
17555 * function.c (current_function_pops_args,
17556 current_function_returns_struct, current_function_returns_pcc_struct,
17557 current_function_needs_context, current_function_calls_setjmp,
17558 current_function_calls_longjmp, current_function_has_nonlocal_label,
17559 current_function_has_nonlocal_goto, current_function_is_thunk,
17560 current_function_has_computed_jump, current_function_calls_alloca,
17561 current_function_contains_functions, current_function_returns_pointer,
17562 current_function_epilogue_delay_list, current_function_args_size,
17563 current_function_pretend_args_size, current_function_arg_offset_rtx,
17564 current_function_outgoing_args_size, current_function_varargs,
17565 current_function_stdarg, current_function_args_info, cleanup_label,
17566 current_function_name, current_function_uses_const_pool,
17567 current_function_instrument_entry_exit, current_function_return_rtx,
17568 current_function_uses_pic_offset_table, nonlocal_labels,
17569 current_function_internal_arg_pointer, current_function_cannot_inline,
17570 current_function_check_memory_usage, function_call_count,
17571 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
17572 nonlocal_goto_stack_level, return_label, save_expr_regs,
17573 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
17574 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
17575 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
17576 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
17577 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
17579 (push_function_context_to): Don't save them. Don't call
17580 save_storage_status, save_emit_status or save_expr_status.
17581 (pop_function_context_from): Don't restore them. Don't call
17582 restore_storage_status or restore_expr_status.
17583 (get_func_frame_size): New function.
17584 (get_frame_size): Use it.
17585 (assign_outer_stack_local): Reflect some member name changes in struct
17587 (put_reg_into_stack): Likewise.
17588 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
17590 (fixup_var_refs): Likewise.
17591 (fix_lexical_addr): Likewise.
17592 (trampoline_address): Likewise.
17593 (prepare_function_start): Clear field inlinable of current_function.
17594 (init_function_for_compilation): New function.
17595 (expand_dummy_function_end): New function.
17596 (expand_function_end): Call finish_expr_for_function.
17597 * function.h (struct emit_status): New; fields moved here from struct
17598 function and from global variables. Add accessor macros for some of
17600 (struct expr_status): Likewise.
17601 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
17602 (struct function): Add fields expr and emit, inlinable, inl_emit,
17603 original_arg_vector, original_decl_initial, inl_last_parm_insn,
17604 inl_max_label_num. Add many comments.
17605 Add accessor macros for all elts of struct function that no longer
17606 have a global variable.
17607 (cleanup_label, return_label, frame_offset, tail_recursion_label,
17608 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
17609 stack_slot_list): Delete declarations.
17610 (get_func_frame_size): Declare.
17611 (save_expr_status, restore_expr_status, save_emit_status,
17612 save_storage_status, restore_storage_status): Delete declarations.
17613 (init_virtual_regs): Declare.
17614 * output.h (current_function_pops_args,
17615 current_function_returns_struct, current_function_returns_pcc_struct,
17616 current_function_needs_context, current_function_calls_setjmp,
17617 current_function_calls_longjmp, current_function_calls_alloca,
17618 current_function_has_nonlocal_label, current_function_varargs,
17619 current_function_has_computed_jump, current_function_returns_pointer,
17620 current_function_contains_functions, current_function_args_size,
17621 current_function_pretend_args_size, current_function_stdarg,
17622 current_function_outgoing_args_size, current_function_args_info,
17623 current_function_name, current_function_return_rtx,
17624 current_function_epilogue_delay_list,
17625 current_function_uses_const_pool, current_function_cannot_inline):
17626 Delete declarations.
17627 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
17628 regno_reg_rtx): Delete declaration.
17629 (REGNO_POINTER_FLAG): Delete macro.
17630 * stmt.c (expand_goto): Changes to reflect that some fields in struct
17631 function were renamed.
17632 * stor-layout.c (save_storage_status, restore_storage_status): Delete
17634 * toplev.c: Include "function.h".
17635 (current_function_decl): Delete declaration.
17636 (compile_file): Call init_dummy_function_start and
17637 expand_dummy_function_end around some initializations that need to
17639 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
17640 Call init_function_for_compilation.
17641 * unroll.c: Include "function.h"
17642 (unroll_loop): Access regno_pointer_* variables through
17645 * tree.h (struct tree_decl): Add elt f to saved_insns member.
17646 (DECL_SAVED_INSNS): use it.
17647 (expand_dummy_function_end): Declare.
17648 (init_function_for_compilation): Declare.
17649 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
17650 that it's no longer an INLINE_HEADER.
17651 (expand_call): Likewise.
17652 * integrate.c (finish_inline): Delete function.
17653 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
17654 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
17655 args. Don't generate an INLINE_HEADER rtx, just return the arg
17656 vector. All callers changed.
17657 (save_for_inline_copying): Create a duplicate struct emit_status to
17658 hold the emit state for compiling the current function. Use this and
17659 the other new fields in struct function that are for integration
17660 instead of an INLINE_HEADER.
17661 Use memcpy instead of bcopy.
17662 Store the current struct function in DECL_SAVED_INSNS of fndecl.
17663 (save_for_inline_nocopy): Similar changes, except no new emit_status
17665 (expand_inline_function): Get information from function structure,
17666 not from an inline header rtx.
17667 (output_inline_function): Lose code to extract the necessary
17668 information from an inline header; simply put back the function
17669 structure into current_function. Clear its inlinable elt.
17670 * rtl.def (INLINE_HEADER): Delete.
17671 * rtl.h: Delete all accessors for an INLINE_HEADER.
17672 (gen_inline_header_rtx): Delete declaration.
17673 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
17674 Delete declarations.
17675 (REGNO_POINTER_ALIGN): Delete.
17676 (clear_emit_caches): Declare.
17677 (set_new_last_label_num): Declare.
17679 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
17681 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
17683 * except.c (expand_eh_region_start_for_decl): Always start a new block.
17684 * stmt.c (is_eh_region): Make sure current_function is present, too.
17686 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
17688 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
17689 for 64bit PA targets.
17691 * pa.h (SELECT_SECTION): Define.
17692 * som.h (SELECT_SECTION): Delete.
17694 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17696 * alias.c (init_alias_analysis): Wrap call to
17697 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
17699 1999-08-07 Bruce Korb <autogen@linuxbox.com>
17701 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
17702 <sys/asm.h> contains an asm comment with an apostrophe
17703 * fixinc/inclhack.sh: regen
17704 * fixinc/fixincl.x: regen
17706 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
17708 * function.c (init_function_start): Clear prologue & epilogue.
17709 (prologue_epilogue_contains): New function.
17710 * alias.c (init_alias_analysis): Use it.
17711 * rtl.h (prologue_epilogue_contains): Declare it.
17713 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
17715 * jump.c (onlyjump_p): New function.
17716 * rtl.h: Declare it.
17717 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
17718 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
17720 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
17722 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
17723 to invert loops. Simplify block scanning.
17725 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17727 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
17728 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
17730 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
17732 * config/sparc/liteelf.h: New file to support sparclite-elf target
17733 * config/sparc/t-sp86x: New file to support sparc86x targets
17734 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
17735 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
17736 * configure.in: Support above target triplets
17737 * configure: Regenerated
17739 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
17741 * fixinc/server.c (server_setup): Do not prefix function used as
17742 parameter with `&'.
17744 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
17746 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
17747 Remove fp reg alternatives.
17749 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
17751 * Makefile.in (TAROUTOPTS): Kill.
17752 (install-headers-tar): Use "xpf" for tar headerfile extraction
17753 * i370/x-oe (TAROUTOPTS): Delete.
17754 * m68k/x-apollo68 (TAROUTOPTS): Delete.
17755 * m68k/x-hp320 (TAROUTOPTS): Delete.
17756 * m68k/x-hp320g (TAROUTOPTS): Delete.
17757 * gcc.texi: Update bug reporting text.
17759 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17761 * reg-stack.c (change_stack) Fixed problem with negative array index.
17763 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
17765 * extend.texi, install.texi: Fix spelling mistakes.
17767 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
17768 (s-attrtab); No longer try to use pre-made insn-attrtab file.
17769 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
17770 PREMADE_ATTRTAB_MD.
17771 * mips/t-ecoff: Likewise.
17772 * mips/t-elf: Likewise.
17773 * mips/t-mips: Likewise.
17774 * mips/t-osfrose: Likewise.
17775 * mips/t-r3900: Likewise.
17776 * mips/t-svr3: Likewise.
17777 * mips/t-svr4: Likewise.
17778 * mips/t-ultrix: Likewise.
17780 * gcc.texi: Document recommend means to provide software floating
17781 point libraries in libgcc.a
17783 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
17785 * c-lex.c (yylex): We can have a number with no digits.
17787 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
17789 * jump.c (delete_prior_computation): New function, broken
17790 out of delete_computation. Check for side effects with
17791 side_effects_p instead of FIND_REG_INC_NOTE. Handle
17792 multi-word hard registers.
17793 (delete_computation): Use it. Check for side effects with
17794 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
17795 missing REG_DEAD note for a register which is both set and
17798 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
17800 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
17801 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
17802 (ASM_FILE_START): Import _mcount with the right type.
17803 (ASM_DECLARE_FUNCTION_NAME): Define.
17804 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
17805 * pa.c (output_function_prologue): Always emit the function's label
17807 * pa.h (TEXT_SPACE_P): Define.
17808 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
17809 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
17810 * som.h (TEXT_SPACE_P): Delete.
17811 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
17812 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
17814 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
17816 * expr.c (emit_group_load): Allow src to be a CONCAT.
17818 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17820 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
17821 (___mulsi3): Use '!' comment character.
17823 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17825 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
17827 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
17829 * gcc.c: Update URLs and mail addresses.
17830 * gcc.texi: Likewise.
17832 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
17834 * rs6000.c (current_file_function_operand): Return zero for
17836 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
17838 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
17841 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
17843 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
17844 allocate space in the stack frame for the PIC register.
17846 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
17848 * m68k.md (xordi3, anddi3): These patterns are not available on
17851 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
17853 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
17854 (PUT_REAL): Likewise.
17856 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17858 * final.c (shorten_branches): Don't add an alignment for loops
17859 that have no label inside.
17861 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17863 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
17864 prototypes in macro HAVE_cmpstrsi.
17866 * cpplib.c (cpp_get_token): Remove unused label `op3'.
17868 * emit-rtl.c (operand_subword): Remove unused variable
17871 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
17873 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
17875 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
17877 * cpphash.c (macroexpand): Delete leading whitespace when arg
17878 is concatenated before.
17879 (unsafe_chars): Correct test for whether + and - can extend a
17882 * cppinit.c (cpp_start_read): Do dependencies for
17883 -include/-imacros files also.
17885 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
17886 tokenizing non-directive lines.
17887 (cpp_expand_to_buffer): Temporarily disable no-output mode.
17888 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
17891 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
17893 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
17895 * c-lex.c: Sync with C++ frontend.
17896 (linemode): New variable.
17897 (parse_float): imag, conversion_errno, and type are output only.
17898 (yylex): Adjust. Move initial '.' case into main switch.
17900 (handle_generic_pragma): Just deal with tokens.
17901 (readescape): Use ISXDIGIT and ISGRAPH.
17902 * c-parse.in: Add END_OF_LINE token.
17904 * c-lex.c (lang_init): Generalize.
17905 (nextchar): Remove. Replace uses with UNGETC.
17906 (skip_white_space): Handle linemode here. Optimize for cpplib.
17907 (skip_white_space_on_line): Remove.
17908 (extend_token_buffer_to): New fn.
17909 (extend_token_buffer): Use it.
17910 (read_line_number, check_newline): Just deal with tokens.
17911 (token_getch, token_put_back): New fns.
17912 (yylex): Use them. More cpplib optimizations. Simplify.
17914 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
17915 Jason Merrill <jason@yorick.cygnus.com>
17917 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
17918 (consume_string): Make this smart about USE_CPPLIB.
17919 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
17920 (yylex): Rewrite to be intelligent about USE_CPPLIB.
17921 Also, clean up cases where we redundantly set token_buffer[0].
17922 (read_line_number): New fn.
17923 (ignore_escape_flag): New variable.
17925 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
17927 * a29k/t-a29kbare: Fix some comments.
17928 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
17929 (FPBIT, DPBIT): Define.
17930 * a29k/t-vx29k: Likewise.
17931 * arc/t-arc: Likewise.
17932 * arm/t-arm-elf: Likewise.
17933 * arm/t-bare: Likewise.
17934 * arm/t-pe: Likewise.
17935 * arm/t-pe-thumb: Likewise.
17936 * arm/t-semi: Likewise.
17937 * arm/t-thumb: Likewise.
17938 * arm/t-thumb-elf: Likewise.
17939 * arm/t-thumb-linux: Likewise.
17940 * h8300/t-h8300: Likewise.
17941 * i960/t-i960: Likewise.
17942 * i960/t-vxworks960: Likewise.
17943 * m32r/t-m32r: Likewise.
17944 * mips/t-ecoff: Likewise.
17945 * mips/t-elf: Likewise.
17946 * mips/t-r3900: Likewise.
17947 * pa/t-pro: Likewise.
17948 * rs6000/t-aix43: Likewise.
17949 * rs6000/t-beos: Likewise.
17950 * rs6000/t-newas: Likewise.
17951 * rs6000/t-ppccomm: Likewise.
17952 * rs6000/t-rs6000: Likewise.
17953 * rs6000/t-winnt: Likewise.
17954 * rs6000/t-xnewas: Likewise.
17955 * rs6000/t-xrs6000: Likewise.
17956 * sh/t-sh: Likewise.
17957 * sparc/t-elf: Likewise.
17958 * sparc/t-sparcbare: Likewise.
17959 * sparc/t-sparclite: Likewise.
17960 * sparc/t-splet: Likewise.
17961 * v850/t-v850: Likewise.
17962 * mn10200/t-mn10200: Fix comments.
17963 * mn10300/t-mn10300: Likewise.
17965 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
17966 dummy operand. Allocate a new pseudo for the dummy operand.
17967 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
17969 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
17971 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
17973 * configure: Rebuilt.
17974 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
17976 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
17978 * recog.c (preproces_constraints): Zero recog_op_alt before
17979 processing the constraints.
17981 * arm.c (typedef minipool_node): Renamed from pool_node.
17982 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
17983 (add_minipool_constant): New function.
17984 (dump_minipool): New function.
17985 (find_barrier): Remove special case for getting the insn size of
17986 an insn that references the constant pool.
17987 (minipool_fixup): New structure.
17988 (push_minipool_barrier): New function.
17989 (push_minipool_fix): New function.
17990 (note_invalid_constants): New function.
17991 (add_pool_constant, dump_table, fixit, broken_move): Delete.
17992 (arm_reorg): Rewrite code to fix up the constant pool into a
17993 series of mini-pools embedded in the insn stream.
17994 (arm_output_epilogue): New function, made mainly from the body
17995 of output_func_epilogue.
17996 (output_func_epilogue): Move insn generation part of epilogue code
17997 to arm_output_epilogue.
17998 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
17999 * arm.md (pool_range): New attribute.
18000 (zero_extendqidi2): Add attribute pool_range.
18001 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
18002 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
18003 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
18004 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
18005 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
18006 (epilogue): New expand.
18007 (epilogue_insn): New insn. Call arm_output_epilogue.
18009 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
18010 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
18012 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18014 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
18016 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
18018 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
18020 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
18022 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
18024 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
18026 * global.c: Fix comment.
18028 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
18030 * gcc.c (access_check): New static function.
18031 (find_a_file): Use it when searching a directory list.
18032 * collect2.c (find_a_file): Don't accept directories found when
18033 searching a directory list.
18035 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
18037 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
18038 function parameters with `&'.
18039 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
18041 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
18043 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
18044 or tidy_fallthru_edge if the last insn in the block is not
18045 an unconditional jump or a simple conditional jump.
18047 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18049 * Makefile.in (c-decl.o): Depends on defaults.h.
18051 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
18053 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
18055 (CLASS_MAX_NREGS): Likewise.
18057 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
18059 * cse.c (cse_insn): Fix dumb thinko in last change.
18061 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18063 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
18066 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
18068 * dwarf2out.c (add_location_or_const_value_attribute): Correct
18069 test for sizes of passed and declared parameter types.
18071 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18073 * fixincludes: Fix the return type of bsearch, char* -> void*.
18075 * fixinc/inclhack.def: Likewise.
18077 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
18079 * invoke.texi (-fdump-translation-unit): New option.
18081 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
18083 * expr.h (PROMOTE_PROTOTYPES): Move ...
18084 * defaults.h: ... to here.
18085 * c-decl.c: Include defaults.h instead of expr.h.
18086 * c-typeck.c: Include defaults.h.
18088 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
18090 * toplev.h (errorcount): Declare.
18091 (warningcount): Likewise.
18092 (sorrycount): Likewise.
18093 * c-lex.c (errorcount): Don't declare.
18094 * dwarf2out.c (errorcount): Don't declare.
18096 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
18098 * config/libgloss.h: Add a note discouraging use with ELF.
18099 * configure.in: Don't use libgloss.h for ELF targets.
18100 Always use_collect2 on a.out targets.
18102 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
18104 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
18105 (force_to_mode, case ASHIFTRT): Add shiftrt label.
18107 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18109 * loop.c (strength_reduce): When doing biv->giv conversion, update
18110 reg note of NEXT->insn.
18112 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18114 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
18116 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18118 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
18119 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
18120 Ensure expr.h is included.
18121 * c-typecheck.c (convert_arguments): Ditto.
18123 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
18125 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
18126 * config/convex/convex.h: Ditto.
18127 * config/dsp16xx/dsp16xx.h: Ditto.
18128 * config/fx80/fx80.h: Ditto.
18129 * config/gmicro/gmicro.h: Ditto.
18130 * config/i370/i370.h: Ditto.
18131 * config/i386/i386.h: Ditto.
18132 * config/m32r/m32r.h: Ditto.
18133 * config/m68k/m68k.h: Ditto.
18134 * config/m88k/m88k.h: Ditto.
18135 * config/mips/mips.h: Ditto.
18136 * config/pa/pa.h: Ditto.
18137 * config/pyr/pyr.h: Ditto.
18138 * config/tahoe/tahoe.h: Ditto.
18139 * config/we32k/we32k.h: Ditto.
18141 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
18142 based on arch size.
18144 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
18146 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
18149 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
18151 1999-08-02 Richard Henderson <rth@cygnus.com>
18153 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
18154 for the register spill block.
18155 (m32r_va_arg): New.
18156 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
18157 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
18159 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
18160 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
18161 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
18163 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18165 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
18166 MAX_WCHAR_TYPE defined in sparc.h.
18167 * config/sparc/linuxaout.h: Likewise.
18168 * config/sparc/linux64.h: Likewise.
18169 Also default to -mvis if CPU is UltraSPARC.
18171 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18173 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
18174 (RTX_OK_FOR_OLO10): Likewise.
18175 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
18176 %lo(), allow it in addresses...
18177 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
18178 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
18179 does not make sense.
18180 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
18181 (sparc_output_scratch_registers): New function.
18182 (output_function_prologue, sparc_flat_output_function_prologue): Use
18184 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
18186 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
18187 * configure.in: Add check for .register pseudo-op support in as and
18188 check for offsetable %lo().
18189 * acconfig.h: Add templates for the above checks.
18190 * configure: Regenerate.
18192 1999-08-02 Richard Henderson <rth@cygnus.com>
18194 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
18195 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
18196 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
18198 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18200 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
18203 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18205 * config/float-sparc.h: New file.
18206 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
18207 sparc-*-linux-gnu and sparc64-*-linux*.
18209 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18211 * rs6000.c (rs6000_va_list): Type is an array.
18212 (rs6000_va_start): Don't doubly adjust for varargs.
18213 (rs6000_va_arg): Evaluate long long GPR adjustment.
18215 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
18217 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
18218 -maix64 and -maix32.
18219 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
18220 LINK_SPEC): Change appropriately.
18221 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
18222 (u_short_cint_operand): Likewise.
18223 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
18225 * rs6000/t-aix43 (MULTILIB): Change to -m64.
18227 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
18229 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
18231 * rs6000/rs6000.c (num_insns_constant_wide): Correct
18232 for type promotion.
18233 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
18234 (non_add_cint_operand): Likewise.
18235 (logical_operand): Likewise.
18236 (non_logical_cint_operand): Likewise.
18237 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
18238 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
18239 (rs6000_select_rtx_section): Suppress warning.
18240 (small_data_operand): Suppress warning.
18241 (rs6000_got_register): Suppress warning.
18242 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
18243 type, so `J' is generally the wrong constraint for a SImode value;
18245 (andsi3_internal2): Likewise.
18246 (andsi3_internal3): Likewise.
18247 (iorsi3_internal1): Likewise.
18248 (xorsi3_internal1): Likewise.
18250 (movsf_softfloat): Likewise.
18251 (scc insns): Likewise.
18252 (movsi+2): Preserve sign bits of SImode constant.
18253 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
18254 (movdf+1): Sign-extend properly.
18255 (movdi_32+1): Sign-extend properly.
18256 (scc insns): Sign-extend properly.
18258 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
18261 1999-08-02 Richard Henderson <rth@cygnus.com>
18263 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
18264 -mcpu parsing code.
18265 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
18266 * alpha.md (all fp insns): Likewise.
18268 1999-08-02 Nick Clifton <nickc@cygnus.com>
18270 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
18273 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
18275 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
18276 pic_load_label generator directly.
18277 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
18278 No longer a named pattern.
18280 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
18282 * explow.c (force_reg): Call force_operand if X does not
18283 satisfy general_operand.
18285 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
18287 * fix-header.c (main): When testing for CONTINUED, use string
18288 equality, not pointer equality.
18290 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
18292 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
18294 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
18296 * cse.c (cse_insn): Fix loop which deletes insns after a jump
18297 that has become an unconditional jump.
18299 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
18300 (output_function_epilogue): Similarly.
18302 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18304 * tree.h (init_dummy_function_start): Declare.
18306 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18308 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
18309 last_expr_type, last_expr_value, block_start_count, block_stack,
18310 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
18311 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
18312 dynamically in stmt elt of struct function for each function.
18313 (struct nesting): Rename function_call_count elt to n_function_calls,
18314 target_temp_slot_level to block_target_temp_slot_level. All users
18316 (struct stmt_status): New structure definition.
18317 Add many accessor macros for stmt_status elements which previously
18318 were global variables.
18319 (init_stmt_for_function): Allocate stmt elt for current_function.
18320 Reflect that block_start_count was renamed to
18321 current_block_start_count.
18322 (save_stmt_status, restore_stmt_status): Delete functions.
18323 (preserve_subexpressions_p): Don't access loop_stack when outside
18325 (expand_start_bindings): Reflect that block_start_count was renamed to
18326 current_block_start_count.
18327 (expand_fixup): Likewise.
18328 (expand_decl): Don't access block_stack when outside a function.
18329 (expand_decl_cleanup): Likewise.
18330 (expand_dcc_cleanup): Likewise.
18331 (expand_dhc_cleanup): Likewise.
18332 (expand_anon_union_decl): Likewise.
18333 (set_file_and_line_for_stmt): New function.
18334 (in_control_zone_p): New function.
18336 * function.h (struct function): Add new elt stmt.
18337 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
18338 case_stack, nesting_stack, nesting_depth, block_start_count,
18339 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
18340 emit_lineno, goto_fixup_chain.
18341 (save_eh_status, restore_eh_status, save_stmt_status,
18342 restore_stmt_status): Delete declarations.
18343 * function.c (push_function_context_to): Don't call save_stmt_status.
18344 (pop_function_context_to): Don't call restore_stmt_status.
18345 * tree.h (in_control_zone_p): Declare.
18346 * rtl.h (set_file_and_line_for_stmt): Declare.
18348 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
18349 call set_file_and_line_for_stmt.
18351 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
18353 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
18354 Also update copyright.
18356 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18358 * c-pragma.c: Don't include "except.h".
18359 * emit-rtl.c: Likewise.
18360 * stor-layout.c: Likewise.
18361 * tree.c: Likewise.
18362 * varasm.c: Likewise.
18364 * flow.c: Include "function.h".
18365 * tree.h (init_dummy_function_start): Declare new function.
18367 * except.h (struct eh_status): New structure.
18368 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
18370 (eh_return_stub_label, ehstack, catchstack, ehqueue,
18371 catch_clauses, false_label_stack, caught_return_label_stack,
18372 protect_list, current_function_ehc): Add accessor macros for the
18373 corresponding fields in current_function->eh; delete declarations
18374 for all items that used to be declared here.
18375 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
18376 catch_clauses, false_label_stack, caught_return_label_stack,
18377 protect_list, current_function_ehc): Delete variables.
18378 (init_eh_for_function): Allocate current_function->eh.
18379 (save_eh_status, restore_eh_status): Delete functions.
18381 * function.h (struct function): Add fields next_global and eh.
18382 Delete all exception handling related fields.
18383 * function.c (current_function): New variable.
18384 (all_functions): New variable.
18385 (push_function_context_to): Don't allocate a struct function,
18386 use current_function instead. Call init_dummy_function_start when
18387 outside a function. Clear current_function before returning.
18388 (pop_function_context_from): Restore current_function.
18389 Don't free the restored struct function.
18390 (prepare_function_start): New function.
18391 (init_dummy_function_start): New function.
18392 (init_function_start): Break out some code into prepare_function_start
18395 * stmt.c (save_stmt_status): Don't call save_eh_status.
18396 (restore_stmt_status): Don't call restore_eh_status.
18398 * Makefile.in: Update dependencies.
18400 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
18402 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
18403 of depending on a magic constant value. Update comments.
18404 (hppa_expand_prologue): Similarly.
18406 * pa.md (reload_indi, reload_outdi): Allow any register for the
18407 original reload register.
18409 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
18411 * cccp.c (print_help): Change marcos to macros.
18413 1999-07-30 Richard Henderson <rth@cygnus.com>
18415 * c-typeck.c (initializer_constant_valid_p): Move ...
18416 * c-common.c (initializer_constant_valid_p): ... here. Use
18417 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
18418 of label addresses.
18419 * c-common.h (initializer_constant_valid_p): Declare.
18420 * c-tree.h (initializer_constant_valid_p): Remove.
18422 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
18424 * config/i386/sol2-c1.asm: Align the stack.
18425 * config/i386/sol2-gc1.asm: Likewise.
18427 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
18429 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
18430 -Asparclite for sparc86x.
18431 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
18433 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
18435 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
18437 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
18438 the user if using the non-default arch size in BI_ARCH configuration.
18439 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
18441 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
18442 Fix patterns so that they actually match.
18443 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
18444 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
18445 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
18447 (mulsidi3): Reflect this in the expand.
18448 (smulsi3_highpart): Only on TARGET_ARCH32.
18449 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
18450 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
18451 (umulsidi3): Reflect this in the expand.
18452 (umulsi3_highpart): Only on TARGET_ARCH32.
18453 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
18454 don't require g0 to be zero.
18455 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
18456 ({,u}divsi3): New expands.
18457 ({,u}divsi3_sp64): New patterns.
18458 (after lshrdi3_v8plus): Four new patterns to help combiner
18459 optimizing nested mixed mode shifts.
18461 * config/sparc/sparc.c (sparc_override_options): Use deprecated
18462 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
18463 speed things up. Don't use them by default on plain v9 in 64bit
18464 mode, according to what SPAMv9 sais.
18466 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
18467 top 32 bits of %[og][0-7] in signal handlers.
18468 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
18470 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
18472 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
18473 (ashlsi3): Corresponding changes.
18475 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
18477 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
18479 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
18481 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18483 * arm.h (Hint): Delete macro.
18484 Substitute HOST_WIDE_INT for Hint in some prototypes.
18485 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
18487 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
18489 * builtins.c (expand_builtin_setjmp): Use force_operand to
18490 make sure that the buffer address is in a suitable form to be
18491 passed to force_reg.
18493 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
18495 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
18498 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
18500 * pa.md (indirect_jump): Remove mode from match_operand. Verify
18501 proper mode in the condition string.
18502 (icacheflush, dcacheflush): Remove modes from match_operands.
18504 * pa.c (emit_move_sequence): Always convert scratch_reg to the
18505 proper mode before using it.
18507 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
18510 * pa.c (store_reg): Do not call add_high_const generator directly.
18511 (load_reg, set_reg_plus_d): Likewise.
18512 * pa.md (add_high_const): No longer a named pattern.
18514 * pa.c (legitimize_address): Consistently use Pmode rather than
18515 SImode. Do not call gen_pic2_highpart directly anymore.
18516 * pa.md (pic2_highpart): No longer a named pattern.
18517 (pic2_lo_sum): Similarly. Reformat to make more readable.
18519 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
18524 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18526 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
18528 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
18530 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
18531 and tag the spill mems.
18532 (hppa_va_start): New.
18533 (hppa_va_arg): New.
18534 * pa.h (EXPAND_BUILTIN_VA_START): New.
18535 (EXPAND_BUILTIN_VA_ARG): New.
18537 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
18539 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
18540 and tag the spill mems.
18541 (mn10300_va_start): New.
18542 (mn10300_va_arg): New.
18543 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
18544 (EXPAND_BUILTIN_VA_ARG): New.
18546 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
18548 * mn10200.c (mn10200_va_arg): New.
18549 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
18551 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
18553 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
18554 rather than play with TREE_INT_CST_LOW.
18556 1999-07-27 Philip Blundell <pb@nexus.co.uk>
18558 * config/arm/telf.h: Include dbxelf.h.
18559 (CPP_PREDEFINES): Only define if not already defined.
18560 (ASM_IDENTIFY_GCC): Likewise.
18561 (SUBTARGET_EXTRA_SECTIONS): Likewise.
18562 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
18563 * config/arm/thumb.h (LINK_SPEC): Only define if not already
18565 (DBX_DEBUGGING_INFO): Don't define.
18566 * config/arm/linux-telf.h: New file.
18567 * config/arm/linux-tgas.h: New file.
18568 * config/arm/t-thumb-linux: New file.
18569 * config/arm/uclinux-elf.h: New file.
18570 * config/arm/uclinux-telf.h: New file.
18571 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
18572 thumb-*-uclinux): New targets.
18573 * configure: Regenerate.
18575 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
18577 * pa.md (post_store, pre_load): New expanders.
18578 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
18579 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
18580 need to directly generate RTL for them.
18581 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
18584 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
18586 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
18587 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
18588 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
18589 (secndary_reload_class): Make TARGET_ELF conditional compile.
18590 (print_operand_address): Similar.
18591 (output_toc): Print all values as hex.
18592 (get_issue_rate): Rearrange and add RS64A and PPC630.
18593 * rs6000.h (processor_type): Add RS64A and PPC630.
18594 (PROCESSOR_POWERPC64): New.
18595 (PROMOTE_MODE): Use word_mode.
18596 (RTX_COSTS): Add RS64A and PPC630.
18597 * rs6000.md (scheduling information): Add lmul and ldiv
18598 representing 64-bit integer multiply and divide. Add rs64a and
18599 PPC630 information.
18600 (ashldi3): Add support for "rldic" instruction.
18601 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
18603 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
18605 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
18606 instead of V8 for sparclite86x in cpu_table.
18608 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18610 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
18611 output_file_directive.
18613 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
18615 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
18616 tree for op1, not the rtl.
18618 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
18620 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
18621 to m88k_va_start, leaving only the register spill.
18622 (m88k_build_va_list): New.
18623 (m88k_va_start): New.
18624 (m88k_va_arg): New.
18625 * m88k.h (BUILD_VA_LIST_TYPE): New.
18626 (EXPAND_BUILTIN_VA_START): New.
18627 (EXPAND_BUILTIN_VA_ARG): New.
18629 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
18631 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
18632 Rename from expand_builtin_saveregs.
18633 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
18635 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
18637 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
18638 for the register spill block.
18639 (i960_build_va_list): New.
18640 (i960_va_start): New.
18641 (i960_va_arg): New.
18642 * i960.h (BUILD_VA_LIST_TYPE): New.
18643 (EXPAND_BUILTIN_VA_START): New.
18644 (EXPAND_BUILTIN_VA_ARG): New.
18645 * i960.md (store_multiple): Use change_address on individul mems.
18647 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
18649 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
18651 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
18652 (expand_builtin_va_end): Evaluate arg for side effects.
18653 * c-common.c (c_common_nodes_and_builtins): Construct a
18654 va_list_arg_type_node to handle array decomposition to pointer.
18656 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
18658 * except.c (start_dynamic_cleanup): Use force_operand on the
18661 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
18663 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
18664 * c4x.c (c4x_va_arg): New.
18666 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
18668 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
18669 has manual_pop set.
18671 1999-07-26 Nathan Sidwell <nathan@acm.org>
18673 * eh-common.h (__eh_matcher): Prototype correctly.
18675 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
18677 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
18678 (TARGET_SINGLE_PIC_BASE): Likewise.
18679 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
18681 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
18682 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
18683 (TARGET_OPTIONS): Add -mpic-register=N.
18684 (OUTPUT_INT_ADDR_CONST): New macro.
18685 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
18686 LEGITIMATE_PIC_OPERAND_P): Likewise.
18687 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
18688 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
18689 output_addr_const directly.
18690 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
18692 (thumb_pic_register, thumb_pic_register_string): Declare.
18694 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
18696 (label_mentioned_p): New function: Imported from arm.c.
18697 (legitimize_pic_address): New function: Imported from arm.c.
18698 (is_pic):New function: Imported from arm.c.
18699 (thumb_finalize_pic):New function: Imported from arm.c.
18700 (add_constant): Cope with PIC constants.
18701 (fixit): Cope with PIC constants.
18702 (output_return): Do not treat the PIC register as live if
18703 TARGET_SINGLE_PIC_BASE is true.
18704 (thumb_function_prologue): Do not treat the PIC register as live if
18705 TARGET_SINGLE_PIC_BASE is true.
18706 (thumb_expand_prologue): Do not treat the PIC register as live if
18707 TARGET_SINGLE_PIC_BASE is true.
18708 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
18709 TARGET_SINGLE_PIC_BASE is true.
18710 (thumb_print_operand): Accept '|'.
18711 (thumb_override_options): Process PIC options.
18713 * config/arm/thumb.md (movsi): Support PIC.
18714 (call_insn): Change "i" constraint to "X".
18715 (call_value_insn): Likewise.
18716 (consttable_4, consttable_8, consttable_end): Set and clear
18717 "making_const_table" as appropriate.
18718 (pic_load_addr, pic_add_dot_plus_four): New insns.
18720 * invoke.texi (Thumb Options): Fix spelling. Document new
18721 options -msingle-pic-base and -mpic-register=.
18723 1999-07-26 Andrew Haley <aph@cygnus.com>
18725 * config/m32r/initfini.c (__init): Use a full word immediate for
18726 __fini: this allows it to be placed in any memory region.
18728 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
18729 -mmodel=medium. This is OK for all memory models.
18731 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
18733 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
18734 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
18736 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
18738 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
18741 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
18743 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
18745 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
18746 (BUILD_VA_LIST_TYPE): New.
18747 (EXPAND_BUILTIN_VA_START): New.
18748 (EXPAND_BUILTIN_VA_ARG): New.
18749 * i860.c (output_delayed_branch): Disable.
18750 (output_delay_insn): Likewise.
18751 (i860_saveregs): New.
18752 (i860_build_va_list): New.
18753 (i860_va_start): New.
18754 (i860_va_arg): New.
18755 * i860.md: Disable all peepholes using output_delayed_branch.
18756 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
18758 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
18760 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
18761 (BUILD_VA_LIST_TYPE): New.
18762 (EXPAND_BUILTIN_VA_START): New.
18763 (EXPAND_BUILTIN_VA_ARG): New.
18764 * clipper.c (clipper_builtin_saveregs): Only dump registers.
18765 Return the address of the save area.
18766 (clipper_build_va_list): New.
18767 (clipper_va_start): New.
18768 (clipper_va_arg): New.
18770 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
18772 * arc.h (EXPAND_BUILTIN_VA_START): New.
18773 (EXPAND_BUILTIN_VA_ARG): New.
18774 * arc.c (arc_setup_incoming_varargs): Set alias set of
18776 (arc_va_start): New.
18779 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
18781 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
18782 (BUILD_VA_LIST_TYPE): New.
18783 (EXPAND_BUILTIN_VA_START): New.
18784 (EXPAND_BUILTIN_VA_ARG): New.
18785 * alpha.c (alpha_builtin_saveregs): Delete.
18786 (alpha_build_va_list): New.
18787 (alpha_va_start): New.
18788 (alpha_va_arg): New.
18790 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
18792 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
18794 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
18795 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
18797 * gcc.texi: More changes related to list conversion.
18798 * invoke.texi: Likewise.
18800 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
18802 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
18803 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
18804 (expand_builtin_next_arg): Accept ARGLIST not EXP.
18805 (stabilize_va_list): New function.
18806 (std_expand_builtin_va_start): New function.
18807 (expand_builtin_va_start): New function.
18808 (get_varargs_alias_set): New function.
18809 (std_expand_builtin_va_arg): New function.
18810 (expand_builtin_va_arg): New function.
18811 (expand_builtin_va_end): New function.
18812 (expand_builtin_va_copy): New function.
18813 (expand_builtin): Call them.
18814 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
18815 __builtin_{varargs_start,stdarg_start,end,copy}.
18816 (build_va_arg): New function.
18817 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
18818 (build_va_arg): Declare.
18819 * c-decl.c (ptr_type_node, va_list_type_node): New.
18820 * c-parse.gperf (__builtin_va_arg): New.
18821 * c-parse.in (VA_ARG): New token.
18822 (unary_expr): Recognize it.
18823 * expr.c (expand_expr): Expand VA_ARG_EXPR.
18824 * expr.h (std_expand_builtin_va_start): Declare.
18825 (std_expand_builtin_va_arg): Declare.
18826 (expand_builtin_va_arg): Declare.
18827 (get_varargs_alias_set): Declare.
18828 * tree.def (VA_ARG_EXPR): New.
18829 * tree.h (BUILT_IN_VARARGS_START): New.
18830 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
18831 (ptr_type_node, va_list_type_node): Declare.
18832 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
18833 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
18834 * m88k.h, m88k.c: Likewise.
18835 * mn10300.h, mn10300.c: Likewise.
18836 * pa.h, pa.c: Likewise.
18837 * rs6000.h, rs6000.c: Likewise.
18838 * sh.h, sh.c: Likewise.
18839 * sparc.h, sparc.c: Likewise.
18841 * emit-rtl.c (operand_subword): Copy alias set.
18842 (change_address): Likewise.
18844 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
18846 * pa.c (compute_frame_size): Scan all the used callee saved registers,
18847 not just the first one.
18849 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
18851 * config/arm/arm.h (TARGET_SWITCHES): Add
18852 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
18853 (TARGET_OPTIONS): Add -mpic-register=.
18854 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
18855 (arm_pic_register_string): Declare.
18856 (NEED_PLT_GOT): Delete, replace with ...
18857 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
18858 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
18859 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
18860 * config/arm/arm.c (arm_override_options): Add new option
18862 (arm_pic_register_string): New variable.
18863 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
18864 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
18865 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
18866 (output_return_instruction): Likewise.
18867 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
18868 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
18869 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
18871 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
18872 mention of -msched-prolog. Document new options -msingle-pic-base
18873 and -mpic-register=.
18875 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
18877 * haifa-sched.c (reemit_notes): Tidy.
18878 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
18881 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
18883 * explow.c (trunc_int_for_mode): New function.
18884 (plus_constant_wide): Use it.
18885 * combine.c (simplify_and_const_int): Likewise.
18886 (merge_outer_ops): Likewise.
18887 (simplify_shift_const): Likewise.
18888 * cse.c (simplify_unary_operation): Likewise.
18889 (simplify_binary_operation): Likewise.
18890 * emit-rtl.c (operand_subword): Likewise.
18891 * rtl.h: Declare it.
18893 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18895 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
18896 (use NUM_REGS instead of NUM_INTS).
18898 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18900 * builtins.c: New file.
18901 * expr.c (saveregs_value, apply_args_value): Delete definition,
18902 moved into builtins.c.
18903 (string_constant): No longer static.
18904 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
18905 apply_args_size, apply_result_size, result_vector,
18906 expand_builtin_apply_args, expand_builtin_apply,
18907 expand_builtin_return): Delete functions, moved into builtins.c.
18908 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
18909 * expr.h (saveregs_value, apply_args_value): Declare variables.
18910 (expand_builtin, string_constant): Declare functions.
18911 * Makefile.in: Update to build builtin.o.
18913 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
18915 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
18916 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
18917 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
18918 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
18920 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
18923 1999-07-21 Michael Meissner <meissner@cygnus.com>
18925 * print-rtl.c (print_rtx): Print the names of the virtual
18928 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
18930 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
18931 introduced in previous delta.
18933 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18935 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
18936 to avoid name clash.
18938 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
18940 * c-lex.c (yylex) : Correct the test for overflow when lexing
18943 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
18945 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
18946 (adjust_priority): Always call ADJUST_PRIORITY.
18947 (schedule_insn): Only put insns into the ready at cost 0.
18948 (schedule_block): Remove redundant initial sort. Give clock_var
18949 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
18951 * tm.texi (MD_SCHED_REORDER): Update docs.
18953 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
18954 * sparc.c (ultra_reorder_called_this_block): Delete.
18955 (ultrasparc_sched_init): Don't set it.
18956 (ultrasparc_sched_reorder): Don't check it.
18958 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
18960 * rs6000.h (struct rs6000_args): Add sysv_gregno.
18961 * rs6000.c (init_cumulative_args): Init sysv_gregno.
18962 (function_arg_boundary): Align DFmode.
18963 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
18964 to get fp reg and stack overflow correct.
18965 (function_arg): Likewise.
18966 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
18967 (setup_incoming_varargs): Restructure for ABI_V4; use
18968 function_arg_advance to skip final named argument.
18969 (expand_builtin_saveregs): Properly unskip the last integer arg
18970 when doing varargs. Adjust overflow location calculation.
18972 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
18973 explicitly unsigned.
18974 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
18975 (__VA_GP_REGSAVE): Similarly.
18976 (__va_longlong_p): Delete.
18977 (__va_arg_type_violation): New declaration.
18978 (va_arg): Restructure. Flag promotion errors. Align double.
18979 TFmode passed by reference.
18981 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
18982 in the HOST_BITS_PER_WIDE_INT > 32 case.
18984 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
18986 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
18988 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
18990 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
18991 * toplev.c (documented_lang_options): Add -fpreprocessed.
18992 * cpplib.h (struct cpp_buffer): Add preprocessed.
18993 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
18994 (cpp_start_read): Don't expand macros or emit an initial #line
18995 directive if -fpreprocessed.
18997 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
18999 * cpplib.h (struct cpp_buffer): Added manual_pop for
19000 better C++ tokenization.
19001 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
19002 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
19003 * c-common.c (cpp_token): Make non-static.
19005 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19007 * c-common.h: New file.
19008 * c-common.c (permanent_obstack): Delete unused declaration.
19009 (c_global_trees): New array.
19010 (c_common_nodes_and_builtins): New function; split off common code
19011 from init_decl_processing in both c-decl.c and cp/decl.c.
19012 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
19013 c_global_trees and accessor macros defined in c-common.h.
19014 Include c-common.h.
19015 * c-decl.c: Delete definitions for tree nodes that were replaced by
19017 (init_decl_processing): Build void_list_node.
19018 Call c_common_nodes_and_builtins; delete code to generate the common
19020 * objc/objc-act.c (build_module_descriptor): Rename variable
19021 void_list_node to avoid clash with c-common.h.
19023 * Makefile.in: Update dependencies.
19024 * objc/Make-lang.in: Likewise.
19026 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
19028 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
19029 (UNIQUE_SECTION_P): Likewise.
19030 (UNIQUE_SECTION): Likewise.
19032 1999-07-19 Linas Vepstas <linas@linas.org>
19034 * config/i370/README: New file.
19035 * config/i370/linux.h: New file.
19036 * config/i370/mvs.h: New file.
19037 * config/i370/oe.h: New file.
19038 * config/i370/t-linux: New file.
19039 * config/i370/t-mvs: New file.
19040 * config/i370/t-oe: New file.
19041 * config/i370/x-oe: New file.
19042 * config/i370/xm-linux.h: New file.
19043 * config/i370/xm-mvs.h: New file.
19044 * config/i370/xm-oe.h: New file.
19046 * i370.c (label_node_t): Add first_ref_page, label_addr,
19047 label_first_ref, label_last_ref members.
19048 (mvs_need_base_reload): Renamed from mvs_label_emitted.
19049 (MAX_MVS_LABEL_SIZE): Define.
19050 (MAX_LONG_LABEL_SIZE): Define.
19051 (alias_node_t, alias_anchor, alias_number): New.
19052 (mvs_function_table): Reorder for EBCDIC.
19053 (ascebc, ebcasc): Unconditionally define.
19054 (i370_branch_dest, i370_branch_length): New functions.
19055 (i370_short_branch, i370_label_scan): New functions.
19056 (mvs_get_label): Renamed from mvs_add_label. Search for
19057 an existing label before creating a new one.
19058 (mvs_add_label): New function.
19059 (mvs_get_label_page): New function.
19060 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
19061 over the entire list.
19062 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
19063 (mvs_check_page) [TARGET_ELF_ABI]: New function.
19064 (mvs_add_alias, mvs_need_alias): New functions.
19065 (mvs_get_alias, mvs_check_alias): New functions.
19066 (handle_pragma): New function.
19067 (mvs_function_check): New function.
19068 (unsigned_jump_follows_p): Search harder.
19069 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
19070 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
19071 * i370.h (TARGET_VERSION): Delete.
19072 (CPP_SPEC, CPP_PREDEFINES): Delete.
19073 (mvs_label_emitted): Delete.
19074 (TARGET_EBCDIC): Delete.
19075 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
19076 (HANDLE_PRAGMA): Define.
19077 (HARD_REGNO_NREGS): Handle complex modes.
19078 (HARD_REGNO_MODE_OK): Likewise.
19079 (CLASS_MAX_NREGS): Likewise.
19080 (RET_REG): Likewise.
19081 (EXTRA_CONSTRAINT): Define.
19082 (RETURN_IN_MEMORY): True for DImode.
19083 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
19084 (FUNCTION_PROFILER): Delete.
19085 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
19086 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
19087 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
19088 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
19089 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
19090 (ASM_FILE_START): Add "RMODE ANY".
19091 (ASM_OUTPUT_EXTERNAL): Check for aliases.
19092 (ASM_GLOBALIZE_LABEL): Likewise.
19093 (ASM_OUTPUT_LABELREF): Likewise.
19094 (ASM_OUTPUT_COMMON): Likewise.
19095 (PRINT_OPERAND): Handle 'K', 'W', default.
19096 (PRINT_OPERAND_ADDRESS): New.
19097 (Lots of defines): Add support for TARGET_ELF_ABI.
19098 * i370.md (attr length): New. Define for all patterns.
19099 (*): Lots of tweeks to assembly output and constraints.
19101 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
19103 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
19104 Disable patterns performing SImode comparisons with SImode values
19105 if TARGET_POWERPC64 and instruction does not sign-extend or does
19106 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
19107 differ for signed quantities.
19108 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
19109 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
19110 (decrement_and_branch_on_count): Add 64-bit variant.
19112 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19114 * final.c (output_asm_insn): When searching for the matching string
19115 for a given dialect, don't run past the end of the list of
19116 alternatives if there are fewer alternatives in the template than
19119 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
19121 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
19122 Removed paragraph about compression of files and size limitation,
19123 duplicated in the FAQ. Use gcc-patches for posting patches.
19124 * gcc.c (main): Updated URL with bug reporting instructions to
19125 gcc.gnu.org. Removed e-mail address.
19126 * system.h (abort): Likewise.
19128 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19130 * Makefile.in (stmp-multilib-sub): Make the files extracted
19131 from $(LIBGCC1) writable.
19133 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
19135 * config/arm/aout.h: Reformat for improved readability.
19137 * config/arm/arm.h: Reformat for improved readability.
19138 Replace uses of fprintf with asm_fprintf where appropriate.
19139 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
19140 function declaration assembler actions.
19141 (NUM_INTS): New macro: Convert from bytes to words.
19142 (NUM_REGS): New macro: Compute number of registers required to
19143 hold a quanitity of tyep MODE.
19144 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
19146 (NUM_ARG_REGS): New macro: The number of argument registers
19148 (ARG_REGISTER): New macro: Compute the register number of the Nth
19150 (LAST_ARG_REGNUM): New macro: The number of the last argument
19152 (SP_REGNUM): New macro: Register number of the stack pointer.
19153 (FP_REGNUM): New macro: Register number of the frame pointer.
19154 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
19155 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
19156 CUMULATIVE_ARGS so that it counts registers not bytes.
19158 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
19160 Replace uses of fprintf with asm_fprintf where appropriate.
19161 (output_ascii_pseudo_op): Replace with version from thumb.c
19163 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
19165 * config/arm/elf.h (CPP_PREDEFINES): Replace with
19166 SUBTARGET_CPP_SPEC.
19167 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
19168 (ASM_FILE_START): Emit ASM_APP_OFF.
19170 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
19172 * pa.c (compute_frame_size): Round frame according to
19173 STACK_BOUNDARY rather than a hardwired value.
19175 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
19177 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
19179 * configure: Rebuilt.
19181 * configure.in (hppa*-*-linux*): New configuration.
19182 * configure: Rebuilt.
19183 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
19184 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
19185 * pa/pa-linux.h: New file.
19186 * pa/t-linux: New file.
19187 * pa/xm-linux.h: New file.
19189 * pa.c (hppa_legitimize_address): Change references from SImode to
19190 either Pmode or word_mode as appropriate.
19191 (emit_move_sequence, store_reg, load_reg): Likewise.
19192 (set_reg_plus_d, hppa_expand_prologue): Likewise.
19193 (output_mul_insn): Likewise.
19194 * pa.h (PROMOTE_MODE): Likewise.
19195 (INITIALZE_TRAMPOLINE): Likewise.
19196 (Pmode): Define to word_mode.
19198 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
19199 value of 4. Allocate 8 bytes for each FP register save.
19200 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
19202 (hppa_expand_prologue): Likewise.
19203 * pa.h (PROMOTE_MODE): Likewise.
19204 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
19205 (FUNCTION_ARG_BOUNDARY): Likewise.
19207 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
19209 * pa.c (out_of_line_prologue_epilogue): Delete.
19210 (override_options): Remove -mspace related code.
19211 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
19212 (compute_frame_size): Only allocate space for register that
19213 actually need to be saved.
19214 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
19215 (TARGET_SWITCHES): Remove -mspace, -mno-space
19216 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
19217 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
19218 * pa/ee.asm, pa/ee_fp.asm: Delete.
19220 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
19222 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
19223 directive in column zero.
19225 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
19227 * m68k.c (output_function_prologue): Fix computation of save mask
19228 when generating PIC code.
19230 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
19232 * tree.c (build_type_attribute_variant): Move current_obstack restore
19233 after build_qualified_type call.
19235 1999-07-15 Mark Mitchell <mark@codesourcery.com>
19237 * configure.in: Use t-iris6, even with GNU LD.
19238 * config/mips/iris6gld.h: Fix typo in linker spec.
19239 * config/mips/t-iris6gld: Remove.
19241 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
19243 * rs6000.md (insv, extzv): Remove SImode dependence in named
19244 patterns. Explicitly generate DImode RTL if PowerPC64 and
19246 (insvdi): Reverse start and size in instruction template.
19248 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
19250 * invoke.texi: Typo fixes.
19252 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
19254 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
19255 handle at this time instead of silently generating incorrect code.
19256 (gen_imagpart): Likewise.
19258 * reload.c (find_reloads): Emit a USE for a pseudo register without
19259 a hard register if we could not create an optional reload for the
19262 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19264 * c-typeck.c (output_init_element, process_init_element):
19265 When advancing constructor_unfilled_fields for a RECORD_TYPE,
19266 check for nameless bit fields.
19268 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
19270 * regclass.c (scan_one_insn): Notice subregs that change the
19271 size of their operand.
19272 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
19274 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
19276 * configure.in (alpha*-*-*): Include alpha/t-ieee.
19277 * configure: Rebuilt.
19278 * alpha/t-ieee: New file.
19280 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
19282 * rs6000.c (find_addr_reg): Do not select r0 as an address
19285 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
19287 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
19289 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
19291 * rs6000.md (movsf): Do not force easy FP constants into memory.
19293 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
19294 immed_double_const to ensure they are properly truncated then
19297 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19299 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
19300 always unless NO_DEBUG is used. Compile this code
19302 (replace_symbols_in_block): Compile it unconditionally.
19304 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
19306 * configure.in (i?86-*-elf*): New target.
19307 * configure: Rebuilt.
19308 * i386/i386elf.h, i386/t-i386elf: New files.
19310 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
19312 * toplev.c (main): Don't complain about saying -gdwarf.
19313 (rest_of_compilation): Remove redundant code.
19315 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
19317 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
19319 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
19321 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
19322 "Li960R:", to avoid name clash.
19324 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19326 * loop.c (check_dbra_loop): When reversing a loop, delete all
19327 REG_EQUAL notes referencing the reversed biv except those which are
19328 for a giv based on it.
19330 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
19332 * version.c: Drop "gcc-" prefix from version #.
19334 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
19336 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
19337 the label if we're being verbose.
19339 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
19341 * m68k.c (output_function_prologue): Add pic register to mask
19342 if live and flag_pic.
19343 (output_function_epilogue): Likewise.
19345 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
19347 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
19348 directives in column zero.
19350 * pa/elf.h (ASM_FILE_START): Define.
19351 * pa/som.h (ASM_FILE_START): Include .level directives.
19352 * pa/hpux10.h (ASM_FILE_START): Delete.
19353 * pa/hpux11.h (ASM_FILE_START): Delete.
19355 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
19357 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19359 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
19360 when reload_out equals reload_in.
19362 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
19364 * invoke.texi (Spec Files): New node: Describe the contents of
19367 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
19369 * invoke.texi (DEC Alpha Options): Put @end table at
19370 beginning of line, to avoid confusing texi2html.
19372 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
19374 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
19375 introduced in previous delta.
19377 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19379 * reload1.c (gen_reload): When synthesizing a 3 operand add
19380 sequence, improve test for when to reload OP1 into the reload
19381 register instead of OP0.
19383 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
19385 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
19387 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
19389 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
19392 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
19394 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
19395 (va_dcl): Use __builtin_va_alist_t.
19397 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
19399 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
19400 on the permanent_obstack.
19401 * dwarfout.c (output_type): Likewise.
19403 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
19405 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19406 Merged from c-typeck.c and cp/typeck.c.
19407 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19408 Merged into c-common.
19410 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
19412 * c-lex.c (errorcount): Declare it.
19413 (finish_parse): Update errorcount when using CPPLIB.
19415 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
19417 * fixinc/inclhack.def(end_else_label): Double the backslash so
19418 sed gets a chance to see it.
19419 * fixinc/inclhack.sh: regen
19420 * fixinc/fixincl.x: regen
19422 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
19424 Add framework to support armv5 architecture when it becomes
19427 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
19428 (arm_arch5): New variable.
19429 (all_architectures): Add armv5 line.
19430 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
19431 -march=armv5 is specified on the command line.
19432 (arm_arch5): Export this variable.
19433 * invoke.texi: Document new string accepted by -march= switch for
19436 * config/arm/arm.h: Replace use of constant 12 as a register
19437 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19438 * config/arm/arm.c: Replace use of constant 12 as a register
19439 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19441 * config/arm/elf.h: Tidy up.
19442 * config/arm/coff.h: Tidy up.
19444 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
19446 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
19447 * gcc/config/mips/t-iris6gld: New file.
19448 * gcc/config/mips/iris6gld.h: Likewise.
19450 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
19452 * c-decl.c (widest_integer_literal_type_node,
19453 widest_unsigned_literal_type) : New.
19454 (init_decl_processing): Handle/use the two new types.
19455 * c-common.c (type_for_size,type_for_mode) : Same.
19456 * c-lex.c (yylex) : Same.
19457 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19459 * c-tree.h (widest_integer_literal_type_node,
19460 widest_unsigned_literal_type) : New.
19462 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
19464 * dwarfout.c (field_byte_offset): Correctly compute the object's
19465 byte offset for the first bit of a field which crosses an alignment
19466 boundary on a !BYTES_BIG_ENDIAN target.
19468 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
19470 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
19473 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
19474 Jeff Law <law@cygnus.com>
19476 * ginclude/varargs.h (va_dcl): Use word_mode for type of
19479 * except.c: Include intl.h.
19480 (expand_eh_return): Set current_function_cannot_inline.
19481 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
19482 * function.h (struct function): Add eh_return_stub_label.
19483 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
19484 * Makefile.in (except.o): Depend on intl.h.
19486 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
19488 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
19489 same as offsettable in cases 1 and 2.
19491 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
19493 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
19494 (extlh, extwh): Likewise.
19496 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
19498 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
19500 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
19502 * configure.in: Add arm-pe and thumb-pe targets.
19503 * configure: Regenerate.
19505 * thumb.c (arm_naked_function_p): New function: Determines if
19506 a function is naked (has no gcc generated prologue/epilogue).
19507 (is_called_in_ARM_mode): Return true if the func has the
19508 interfacearm attribute.
19509 (output_return): Do not generate a return for naked functions.
19510 (thumb_function_prologue): Do not generate a prologue for
19512 (thumb_expand_prologue): Do not generate a prologue for naked
19514 (thumb_expand_epilogue): Do not generate an epilogue for naked
19516 (arm_valid_machine_decl_attribute): New function, copied from
19517 arm.c: Permit naked and interfacearm attributes.
19519 * config/arm/pe.c: New file: Support code for arm-pe target.
19520 * config/arm/pe.h: New file: Header file for arm-pe target.
19521 * config/arm/tpe.h: New file: Header file for thumb-pe target.
19522 * config/arm/t-thumb-pe: New file: Makefile fragment for
19525 1999-07-01 Mark Kettenis <kettenis@gnu.org>
19527 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
19528 -fPIC or -fpic is specified.
19530 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
19532 * expr.c (emit_block_move): Use copy_to_mode_reg for
19533 !TARGET_MEM_FUNCTIONS case too.
19535 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
19537 * configure: Rebuilt.
19538 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
19539 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
19540 definitions made redundant by dbxelf.h inclusion. Delete
19541 lots of definitions related to assembly output that are
19542 specific to the SOM object format.
19543 * pa.c (output_function_prologue): Do not emit the function's
19545 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
19546 * pa-pro.h: Deleted.
19547 * som.h: New file with SOM specific definitions.
19548 * elf.h: New file with ELF specific definitions.
19550 * elfos.h (const_section): Output a tab before assembler directives.
19551 (ctors_section, dtors_section): Likewise.
19552 (ASM_OUTPUT_SECTION_NAME): Likewise.
19554 * pa/pa1.h: Delete unused file.
19556 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
19558 * configure.in (hppa*-hp-hpux11*): New configuration.
19559 * configure: Rebuilt.
19560 * pa/pa-hpux11.h: New file.
19561 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
19564 * mips.md (leasi, leadi): New patterns.
19566 * expr.c (emit_block_move): Properly handle case where one of the
19567 block move arguments has a queued increment or decrement.
19568 (clear_storage): Similarly. Fix formatting goof.
19570 1999-06-28 "David O'Brien" <obrien@NUXI.com>
19572 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
19573 semicolon from the BSD VA_LIST replacement expression.
19575 * fixinc/inclhack.sh: regen
19576 * fixinc/fixincl.x: regen
19578 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
19579 now use the fixincl program.
19581 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
19583 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
19584 case. Also make the PIC register call_used.
19586 * m68k.h (FINALIZE_PIC): Delete.
19587 * m68k.c (finalize_pic): Delete.
19589 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
19591 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
19594 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
19596 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
19598 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
19600 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
19602 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
19604 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
19606 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
19608 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
19610 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
19612 * rs6000.c (output_toc): Always use hex values for floating-point
19613 constants. Store single-precision values in upper-half of TOC
19614 entry in 64-bit mode.
19615 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
19616 to final constraints.
19617 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
19618 (fctiwz): Improve accuracy of RTL for pattern.
19620 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
19622 * expr.c (expand_expr): Allow RTL_EXPR's through the
19623 MAX_INTEGER_COMPUTATION_MODE checks.
19625 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
19627 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
19628 such that MASK_SUPPORT_ARCH is not negative.
19630 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
19632 * loop.c (verify_dominator): Properly handle ADDR_VEC and
19633 ADDR_DIFF_VEC insns that appear inside loops.
19635 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
19636 Jeff Law <law@cygnus.com>
19638 * rs6000.md (movdf_hardfloat32): Revert previous patch.
19639 Handle LO_SUM the same as offsettable in cases 1 and 2.
19640 * rs6000.c (find_addr_reg): Revert previous patch.
19642 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
19644 * system.h (strstr): New external function declaration.
19645 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
19646 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
19647 * config.in, configure: Rebuilt.
19649 1999-06-24 Tom Tromey <tromey@cygnus.com>
19651 * gcc.c (main): Read user-specified specs files after computing
19652 additional startfile_prefixes.
19654 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
19656 Revert these two patches:
19658 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19659 * loop.c (strength_reduce): When doing biv->giv conversion, update
19660 reg note of NEXT->insn.
19662 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19663 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
19665 (recombine_givs): Set ix field after sorting.
19667 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19669 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
19670 for the parts of an UNSPEC / UNSPEC_VOLATILE.
19672 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
19674 *fixinc/inclhack.def: Add fix development commentary
19675 (read_ret_type): reactivate and add selection clause
19676 (zzz_*): tweak output file name to match what is used in hackshell.tpl
19677 *fixinc/{fixincl.x|inclhack.sh}: regen
19679 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
19681 * expr.c (expand_expr): STRIP_NOPS before checking against
19682 MAX_INTEGER_COMPUTATION_MODE
19683 (check_max_integer_computation_mode): Likewise.
19685 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
19687 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
19689 1999-06-22 Jim Wilson <wilson@cygnus.com>
19691 * expr.c (store_expr): When target is a promoted subreg, return a
19692 promoted subreg as a result.
19694 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
19696 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
19698 (dwarf2out_define): Mark unused parameters appropriately.
19699 (gen_unspecified_parameters_die): Ditto.
19700 (gen_subprogram_die): Fix signed/unsigned warnings.
19701 (gen_variable_die): Ditto.
19703 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
19705 * fixinc/inclhack.def(end_else_label): combined else_label
19706 and endif_label and fixed the sed expression.
19707 *fixinc/{fixincl.x|inclhack.sh}: regen
19709 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
19711 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
19712 'x' when handling non-offsettable addresses
19714 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
19716 * final.c (shorten_branches): Don't try to split an insn that has
19719 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
19721 * config/mips/mips.c (symbolic_expression_p): New function.
19722 (mips_select_rtx_section): Put symbolic expressions in the
19723 data section, not the read-only data section.
19725 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
19727 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
19729 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
19731 * collect2.c (main): Log frame table count.
19732 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
19733 (scan_prog_file) [COFF]: Handle frame tables.
19735 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
19736 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
19737 * alpha/elf.h: Undef them again.
19738 * alpha/vms.h: Remove their definitions.
19740 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19742 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
19743 remove the clobber of r0 and change the REG_UNUSED note to
19746 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
19748 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
19749 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
19750 fits in HOST_WIDE_INT and one uses union to access a long constant
19753 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
19755 * sparc.c (sparc_override_options): Don't allow profiling for
19756 code models other than medlow.
19757 (sparc_function_profiler): New function from old FUNCTION_PROFILER
19758 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
19759 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
19760 (sparc_block_profiler): Likewise.
19761 (sparc_function_block_profiler_exit): Likewise.
19762 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
19763 (FUNCTION_BLOCK_PROFILER): Likewise.
19764 (BLOCK_PROFILER): Likewise.
19765 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
19766 (MCOUNT_FUNCTION): New.
19767 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
19768 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
19769 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
19770 (MCOUNT_FUNCTION): New.
19771 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
19772 (BLOCK_PROFILER): Delete.
19773 (MCOUNT_FUNCTION): New.
19775 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
19777 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
19779 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19781 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19784 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19787 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19790 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19793 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
19795 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
19798 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
19800 * i386/djgpp.h (LIB_SPEC): New.
19801 (STARTFILE_SPEC): New.
19803 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
19805 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
19807 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
19810 * system.h (WSTOPSIG): New macro.
19812 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
19814 * c-pragma.c (push_alignment): Don't ignore alignments greater than
19816 (insert_pack_attributes): Take into account member natural
19819 * i386/winnt.c (exports_head): New static variable.
19820 (i386_pe_record_exported_symbol): New function.
19821 (i386_pe_asm_file_end): Use.
19822 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
19823 symbols to be emitted at end of assembly.
19824 (ASM_DECLARE_OBJECT_NAME): Likewise.
19825 (ASM_DECLARE_FUNCTION_NAME): Likewise.
19827 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
19830 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
19832 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
19835 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
19837 * haifa-sched.c (sched_analyze_1): Use free_list instead of
19838 zapping reg_last_uses directly.
19839 (sched_analyze_2, sched_analyze_insn): Likewise.
19840 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
19842 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
19844 * rs6000.md (movdf_hardfloat32): Use worst case insn length
19845 attributes for cases 1 and 2.
19847 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
19849 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
19852 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
19854 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
19856 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
19858 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
19859 PIC_OFFSET_TABLE_REGNUM for general alloaction.
19860 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
19861 must be stacked if it is used for PIC accesses.
19862 * arm.c (use_return_insn): Handle PIC register specially.
19863 (output_return_instruction): Likewise.
19864 (output_func_{prologue,epilogue}): Likewise.
19865 (output_expand_prologue): Likewise.
19867 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
19868 (*strsi_predec): Renamed from *strqi_predec.
19869 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
19870 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
19872 * arm.c (arm_override_options): Remove warning about PIC code
19873 not being supported.
19875 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
19877 * rs6000.c (find_addr_reg): New function.
19878 * rs6000.h (find_addr_reg): Declare.
19879 (offsettable_addr_operand): Delete.
19880 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
19881 from and stores to GPRs.
19883 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
19885 * alpha.c (alpha_expand_block_move): Use get_insns rather than
19886 gen_sequence as argument to emit_no_conflict_block.
19888 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19890 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
19891 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
19892 *fixinc/fixincl.x: regen
19893 *fixinc/inclhack.sh: regen
19895 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
19897 * added support for -mpcrel (PC relative addressing for m68k)
19898 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
19899 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
19900 * m68k.c (print_operand_address): Handle 32-bit PIC case.
19901 (comments for general_src_operand): Add some explanation
19902 about EXTRA_CONSTRAINTS.
19903 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
19904 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
19905 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
19906 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
19907 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
19908 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
19909 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
19910 if not already set.
19911 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
19912 * m68k.h (TARGET_PCREL): New target flag.
19913 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
19914 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
19915 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
19916 contains a SYMBOL_REF. Relax this constraint during reload, since
19917 we want to use the predicates, not reload's built-in concept of a
19918 valid memory address, to control what insns need reloading.
19919 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
19920 operands (essentially 'g', 'm', and 's' under normal circumstances).
19921 * m68k.c (print_operand): Cause printing of pc-relative addresses
19922 to include pc register.
19923 (print_operand_address): Ditto.
19924 (general_src_operand): Accept operands that are not only
19925 general_operands, but are also valid when used as a pc-relative
19927 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
19928 (memory_src_operand): Similar, for memory_operands.
19929 (pcrel_address): New predicate to accept the special case of a
19930 pc-relative address.
19931 * m68k.md (many patterns): Rewrite common SImode, HImode, and
19932 QImode insns to accept *_src_operand instead of *_operand where
19933 pc-relative operands can fit. For example, a pc-relative operand
19934 can be used as a memory source operand for addsi3, but not as a
19935 memory destination.
19936 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
19938 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
19940 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
19941 .thumb_set pseudo op to mark aliases of thumb functions.
19943 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
19945 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
19946 preference to ASM_OUTPUT_DEF, if it is defined.
19948 * tm.texi: Document new, optional target macro
19949 ASM_OUTPUT_DEF_FROM_DECLS.
19951 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19953 * fixincludes: ISCNTL patch
19954 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
19955 (dgux_int_varargs): new for DG/UX
19956 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
19958 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
19960 * invoke.texi (ia32 options): Fix typo.
19962 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19964 * loop.c (strength_reduce): When doing biv->giv conversion, update
19965 reg note of NEXT->insn.
19967 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
19969 * loop.c (move_movables): Note issues with replacing REGs with
19971 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
19973 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
19975 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
19977 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
19978 the reference to `mcount' was not correct for the ELF on FreeBSD.
19980 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19982 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
19985 (recombine_givs): Set ix field after sorting.
19987 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
19989 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
19990 to safe to extract a subword out of a REG.
19992 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19994 * sh.md (mulsi3): Don't add a no-op move at the end.
19996 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19998 * cse.c (cse_insn): Don't put hard register source into tables for
19999 the last insn of a libcall.
20001 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20003 * loop.c (strength_reduce): Insert sets of derived givs at every
20004 biv increment, even if it's the only one.
20006 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20008 * dwarfout.c (add_incomplete_type): New fn.
20009 (output_type): Call it.
20010 (retry_incomplete_types): New fn.
20011 (dwarfout_finish): Call it.
20013 From Eric Raskin <ehr@listworks.com>:
20014 (output_type): Output types for bases.
20016 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20018 * mips.c (mips_output_conditional_branch): Add `break'
20019 between `default' label and `close braces'.
20021 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
20023 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
20024 specifications and make it realistic.
20025 (LIB_SPEC): Likewise.
20027 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
20029 * config/mips/mips.c (mips_secondary_reload_class): Check for
20030 (PLUS (SP) (REG)) and return appropriate register class.
20031 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
20032 Handle (PLUS (SP) (REG)).
20033 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
20034 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
20035 of emit_insn for tablejump.
20037 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
20039 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
20040 asm_fprintf format string by itself.
20041 (output_function_profiler): Likewise.
20043 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
20045 * combine.c (simplify_logical, case AND): Only call
20046 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
20047 or the constant is positive.
20049 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
20051 * configure.in: Fix typo in rs6000-ibm-aix4 case.
20052 * configure: Regenerate.
20054 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
20056 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
20057 require a sub-version #.
20058 * configure: Rebuilt.
20060 1999-06-14 Robert Lipe (robertlipe@usa.net)
20062 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
20064 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
20066 * c-typeck.c (process_init_element): Detect excess elements in
20067 char array initializer.
20069 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20071 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
20073 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20075 * invoke.texi (Option Summary): Add -fpermissive flag.
20077 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
20079 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
20080 that require PIC code sequences.
20082 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
20084 * configure.in: Add new target: thumb-elf.
20085 * configure: Regenerate.
20086 * config/arm/t-thumb-elf: New file: Makefile fragment for
20088 * config/arm/telf.h: New file: Header file for thumb-elf
20091 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
20093 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
20094 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
20095 initializers is some circumstances.
20097 * fixinc/inclhack.def (endif_label): Add additional selector for
20098 more bogus stuff after #endif statements.
20099 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
20101 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
20103 * i386/cygwin.h (SET_ASM_OP): Define.
20105 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
20107 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
20109 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20111 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
20114 * sh.md (ic_invalidate_line_i): Remove second alternative.
20116 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20118 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
20119 test for the presence of valid prototypes. Delete bypass expr.
20120 (ioctl_fix_ctrl): Correct the selection expression.
20121 (no_double_slash): Correct quoting rules
20122 *fixinc/fixincl.x: regen
20123 *fixinc/inclhack.sh: regen
20125 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
20127 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
20129 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20131 * rs6000.md (movsi_got_internal_mem): Delete.
20132 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
20133 (GOT_TOC_REGNUM): Delete.
20134 (PIC_OFFSET_TABLE_REGNUM): Define.
20135 (FINALIZE_PIC): Disable.
20136 * rs6000.c (rs6000_got_register): New code for fixed pic register.
20137 (rs6000_replace_regno): Delete.
20138 (rs6000_finalize_pic): Likewise.
20139 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
20141 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20143 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
20144 is a note; use <= for the compare; advance P while it is
20147 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
20149 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
20150 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
20152 * varasm.c (remove_from_pending_weak_list): Verify t->name
20153 is non-NULL before passing it to strcmp.
20155 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20157 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
20158 the typed arguments are not part of a comment
20159 (ioctl_fix_ctrl): Added a purpose comment
20160 *fixinc/fixincl.x: regenerate
20161 *fixinc/inclhack.sh: regenerate
20163 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20165 * invoke.texi: Add C4x invocation docs.
20167 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20169 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
20171 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
20173 (c4x_legitimize_reload_address): New function.
20174 * config/c4x/c4x.md: Update docs.
20176 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
20178 * fixincludes: Avoid removing '.'.
20179 * fixinc/fixinc.svr4: Likewise.
20180 * fixinc/fixinc.winnt: Likewise.
20181 * fixinc/inclhack.tpl: Likewise.
20182 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
20184 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20186 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
20188 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
20190 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
20192 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
20195 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
20197 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
20198 * configure: Regenerate.
20200 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
20202 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
20205 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
20207 * fixinc/inclhack.def (avoid_bool): Also catch
20208 "typedef [unsigned] int bool".
20209 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20211 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
20212 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
20213 * configure: Rebuilt.
20215 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
20217 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
20218 such that we can override its definitions if necessary.
20219 (CPP_SPEC): New define. Support processor specific predefines via
20221 (CC1_SPEC): New define. Support processor specific compiler
20222 options via %(cc1_cpu).
20223 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
20226 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20228 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
20229 between sed's -e flag, and the open-quote following it.
20230 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20232 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
20233 Jeffrey A Law (law@cygnus.com)
20235 * varasm.c (assemble_start_function): Remove the function
20236 from the pending weak decls list when we define a function.
20237 (assemble_variable): Similarly for variables.
20238 (weak_finish): Ignore items on the list with a NULL name.
20239 (remove_from_ending_weak_list); New function to "remove" an item
20240 from the pending weak declarations list.
20242 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20244 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
20246 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
20248 * c-lex.c (GETC): Redefine to call getch.
20249 (UNGETC): Redefine to call put_back.
20250 (putback_buffer): New structure type.
20251 (putback): New static structure.
20252 (getch): New function.
20253 (put_back): New function.
20254 (yylex): Replace unused bytes from bad multibyte character.
20256 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
20258 * cpplib.c (do_define): Cast `alloca' return value.
20259 (do_include, do_undef, do_pragma): Likewise.
20260 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
20262 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
20263 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
20265 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
20267 * sparc.md (abstf2): This should be an expand.
20268 (split after abstf2_notv9): Fix mode.
20269 (abstf2_hq_v9): New pattern.
20270 (abstf2_v9): Only use when no hard quad.
20271 (absdf2_v9): Fix if target is not the same as source.
20272 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
20273 Add correct output constraints.
20275 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
20277 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
20278 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
20280 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
20282 * mips.h (mips_output_conditional_branch): New function.
20283 (mips_adjust_insn_length): Likewise.
20284 (ASSEMBLER_SCRATCH_REGNUM): New macro.
20285 (ADJUST_INSN_LENGTH): Likewise.
20286 * mips.c (print_operand): Add `F' and `W' for floating-point
20287 comparison opcodes.
20288 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
20290 (mips_adjust_insn_length): New function.
20291 (mips_output_conditional_branch): New function.
20292 * mips.md (length): Adjust attribute definition to handle
20293 conditional branches. Change lengths to bytes, rather than
20294 instructions throughout. Remove length attribute from
20295 instructions whose length is four bytes, and rely on the default
20297 (dslot): Fix typo in comment.
20298 Reword conditional branch patterns to use
20299 mips_output_conditional_branch.
20301 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
20303 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
20304 (LIB_SPEC): Likewise.
20305 Link with -lprof1_r for -g/-pg.
20307 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20309 * loop.c (check_dbra_loop): Fix change of Jan 19.
20311 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
20313 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
20314 (STARTFILE_SPEC): Define, override the svr4.h version.
20315 (ENDFILE_SPEC): Likewise.
20317 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
20319 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
20320 * fixinc/fixincl.x: Regenerated.
20321 * fixinc/inclhack.sh: Regenerated.
20323 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20325 * sh.c (barrier_align): Don't return early for normal branch/barrier
20326 when optimizing for SH2.
20328 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
20330 * i386/udk.h (LINK_SPEC): Correct linker search path for
20333 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20335 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
20336 (braf_label_ref_operand): Delete.
20337 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
20338 * sh.md (casesi_jump_2): Operand1 is now the inside of a
20339 label_ref, and has no predicate.
20340 The patten has a predicate to guard against invalid substitutions.
20341 (dummy_jump): Delete.
20342 (casesi): Update use of casesi_jump_2.
20344 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20346 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
20347 *fixinc/fixincl.x: regenerate
20348 *fixinc/inclhack.sh: regenerate
20350 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
20352 * dwarf2out.c (add_incomplete_type): New fn.
20353 (gen_struct_or_union_type_die): Call it.
20354 (retry_incomplete_types): New fn.
20355 (dwarf2out_finish): Call it.
20357 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
20359 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
20360 current block starts with a CODE_LABEL and ends with a CALL and
20361 we can not find all the argument setup instructions for the CALL.
20363 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
20365 Revert this change:
20366 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20367 something is a candidate for optimize_bit_field_compare.
20369 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20371 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
20373 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
20375 * alpha.c (override_options): Thinko in last patch.
20377 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
20378 (LIB_SPEC): Recognize -pthread.
20380 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
20382 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
20383 definition in config/arm/coff.h
20384 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
20386 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20388 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
20389 fixes that need "file=xxx\n" prepended before invocation
20390 (start_fixer - new): starting the fixer process is complex enough
20391 to warrent its own routine. It prepends the "file=xxx\n" stuff.
20392 (process): uses the new routine; omit usage of putenv()
20393 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
20394 * fixinc/fixincl.x: regenerate
20396 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
20398 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
20399 and version #s (1.1 -> 2.96) as needed.
20400 * README.g77: Kill way out of date file in the toplevel directory.
20402 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
20404 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
20405 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
20406 * configure: Rebuilt.
20407 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
20408 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
20409 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
20410 (SWITCH_TAKES_ARG): Likewise.
20411 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
20412 * config/t-freebsd: Moved from config/i386/ so it can used for all
20415 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
20417 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
20419 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
20421 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
20422 * configure: Rebuilt.
20424 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
20426 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
20427 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
20428 * rs6000/rs6000.c (rs6000_file_start): Use putc.
20429 (rs6000_output_load_toc_table): Same.
20430 (output_prolog, output_mi_thunk): Same.
20431 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
20432 (ASM_GLOBALIZE_LABEL): Use putc.
20434 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
20436 * alpha.md (reload_*_help): New patterns and splitters.
20437 (reload_*): Use them.
20438 (mov[qh]i): Likewise.
20440 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
20442 * cccp.c (handle_directive): Handle backslash-newlines in quoted
20445 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
20447 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
20449 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
20451 * flow.c (mark_regs_live_at_end, insn_dead_p,
20452 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
20453 and HARD_FRAME_POINTER_REGNUM special treatment if reload
20454 hasn't run or the frame pointer is needed.
20455 * haifa-sched.c (attach_deaths): Likewise.
20456 * sched.c (attach_deaths): Likewise.
20458 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
20460 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
20461 calculate_can_reach_end returns nonzero.
20463 * configure.in (native gas tests): Search for an assembler in the
20464 same manner that the installed compiler will.
20465 * configure: Rebuilt.
20466 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
20468 * alias.c (find_base_term): Improve handling of addresses
20469 constructed from binary operations.
20471 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
20473 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
20475 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
20477 * function.h (cleanup_label, frame_offset): Declare.
20478 (tail_recursion_label, tail_recursion_reentry): Likewise.
20479 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20480 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
20481 (tail_recursion_label, tail_recursion_reentry): Likewise.
20482 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20484 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
20486 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
20488 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
20489 (MAX_OFILE_ALIGNMENT): Define.
20491 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
20493 * fixincl.c: Replace local include scheme with #includes of
20494 gansidecl.h and system.h.
20495 * procopen.c: Likewise.
20496 * server.c: Likewise.
20498 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
20500 * i386/t-dgux (EXTRA_PARTS): Add crti.o
20501 (crti.o): Add build rule and dependencies.
20502 * fixinc/fixinc.dgux: Use modified _int_varargs.h
20504 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20506 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
20507 (LIB_LINUX_SPEC): Likewise.
20508 (LIB_LINUX_SPEC): Add support for -pthread
20509 (CPP_OS_LINUX_SPEC): Likewise.
20510 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
20513 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
20515 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
20517 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
20518 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
20519 for IEEE math and CC_FCOMI.
20520 (put_jump_code): No IEEE if CC_FCOMI is set.
20522 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20524 * fold-const.c (fold_truthop): Make the field reference unsigned
20525 when converting a single bit compare.
20527 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20529 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
20531 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
20533 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
20534 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
20537 * reload.c (push_reload): Do not call remove_address_replacements
20538 when presented with identical optional reloads.
20540 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
20542 * alpha.h (MASK_FIX, TARGET_FIX): New.
20543 (MASK_*): Reorganize constants.
20544 (CPP_AM_FIX_SPEC): New.
20545 (TARGET_SWITCHES): Add FIX.
20546 (EXTRA_SPECS): Likewise.
20547 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
20548 (SECONDARY_MEMORY_NEEDED): Likewise.
20549 (REGISTER_MOVE_COST): Likewise.
20550 * alpha.c (override_options): Add FIX support. Always use
20551 ALPHA_TP_PROG for ev6.
20552 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
20553 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
20554 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
20556 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
20558 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20559 something is a candidate for optimize_bit_field_compare.
20561 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
20563 * gcc.texi (Passes): Document branch-shortening.
20564 * invoke.texi (Debugging Options): Document the fact that `-dp'
20565 outputs length information for instructions.
20567 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
20569 * flow.c: Revert previous delta.
20571 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
20573 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
20574 FRAME_POINTER_REGNUM.
20575 (mark_set_1): Ditto.
20576 (mark_used_regs): Ditto.
20578 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
20580 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
20581 (GOT_PCREL): New macro. Define to 1 if not already defined.
20582 * arm/elf.h (GOT_PCREL): Define to 0.
20583 * arm.c (arm_finalize_pic): Take into account the setting of
20586 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
20588 * output.h (STRIP_NAME_ENCODING): Provide default definition.
20589 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
20591 * flow.c (mark_set_1): Do not record BLKmode stores as dead
20592 store elimination candidates.
20594 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
20596 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
20599 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
20601 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
20602 Add use of x-aix41-gld.
20604 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
20606 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
20607 (ASM_OUTPUT_DESTRUCTOR): Define.
20609 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
20611 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
20612 last CODE_LABEL in a loop if we have previously passed a jump
20613 to the top of the loop.
20615 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
20617 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
20618 applying Philip's patch.
20620 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
20622 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
20625 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
20627 * loop.c (strength_reduce): Grow reg_single_usage as needed.
20629 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
20631 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
20632 Also remove a useless comment.
20634 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20636 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
20638 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
20640 * collect2.c (main): Only generate import or export file and add
20641 to link arguments if non-empty. Use xmalloc not alloca.
20642 (write_{export,import}_file): Delete.
20643 (write_aix_file): New function.
20644 (locatelib): Use xmalloc not malloc.
20645 (GCC_OK_SYMBOL): Do not check type if aix64.
20647 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
20649 Based on patch by Scott Bambrough and Pat Beirne:
20650 * config/arm/arm.c (making_const_table): New variable.
20651 * config/arm/arm.h (making_const_table): Declare.
20652 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
20654 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
20655 Keep track of when we are building the constant table.
20657 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
20659 * config/arm/arm.c (arm_override_options): Fix erroneous warning
20662 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
20664 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
20667 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
20669 * tm.texi (FUNCTION_ARG): Correct description of a stack element
20672 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
20674 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
20676 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20678 * rs6000.c (output_mi_thunk): Enable full support again.
20680 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20682 * sh.h (BRANCH_COST): Define.
20684 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
20686 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
20688 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
20690 * function.c (assign_stack_local): Align stack slot propertly.
20691 (assign_outer_stack_local): Likewise.
20693 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
20695 * expr.h (lang_expand_constant): Declare.
20696 * toplev.c (lang_expand_constant): Define it.
20697 * varasm.c (output_constant): Use it.
20699 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20701 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
20702 Change function definitions to K&R style.
20704 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20706 * fixinc/fixincl.c: We must not ignore SIGCLD now.
20708 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
20710 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
20711 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
20712 (several places): omit static initialization
20713 (process): use single fd, since only the read fd is used
20714 * fixinc/gnu-regex.c: define 'const' away, if not supported
20715 * fixinc/procopen.c(several places): omit static initialization
20716 * fixinc/server.c: define 'volitile' away, if not supported
20718 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20720 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
20721 asm_fprintf and %L to generate the label name.
20722 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
20723 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
20725 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
20727 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
20728 insn for a conditional jump can not be found.
20730 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
20732 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
20733 on variables in specific sections other than .sbss and .sdata.
20735 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
20737 * stmt.c (expand_return): Call start_cleanup_deferral and
20738 end_cleanup_deferral around conditional code.
20740 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20742 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
20743 filename lists. Utilizes new "krstr" AutoGen function.
20744 * fixinc/fixincl.x: Rebuilt.
20746 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
20748 * i386.c (output_float_compare): Avoid GNU-C extensions.
20750 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
20752 * version.c: Bump to distinguish mainline tree from the
20755 See ChangeLog.1 for earlier changes.