1 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
3 * calls.c (emit_library_call_value_1): Break out from ...; handle
4 VOIDmode function calls too.
5 (emit_library_call_value): ... here.
6 (emit_library_call): Implement by calling emit_library_call_value_1.
8 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
10 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11 Update arg_space_so_far on stack adjustments.
12 (emit_library_call, emit_library_call_value): Likewise; take into
13 account arg_space_so_far and pending_stack_adjust when calculcating
16 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
18 * flow.c: Move all basic block reordering code into its own file.
19 (create_basic_block): Externalize.
20 * bb-reorder.c: New file. Copy all basic block reordering code from
22 (reorder_basic_blocks): Fix fencepost error in for-loop.
23 (reorder_basic_blocks): Remove braces from single statement for-loops.
24 * basic-block.h: Add declaration for create_basic_block.
25 * Makefile.in: Add rules for bb-reorder.o.
27 2000-03-16 Neil Booth <NeilB@earthling.net>
29 * cppinit.c (handle_option): Implement #unassert directive
30 as -A- command line option.
34 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
36 * md.texi (Standard Names): Document `jump'.
38 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
40 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
43 2000-03-15 Geoff Keating <geoffk@cygnus.com>
45 See the ChangeLog on the branch for more details.
47 * configure.in: Merge in changes from newppc-branch.
48 * configure: Regenerate.
49 * config/rs6000/*: Merge in changes from newppc-branch.
50 Also correct copyright notices.
52 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
54 * acconfig.h (HAVE_GAS_WEAK): New define.
55 * configure.in (assembler weak support): Check for .weak support.
56 * config.in, configure: Rebuilt.
57 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
58 HAVE_GAS_WEAK is defined.
60 2000-03-15 Nick Clifton <nickc@cygnus.com>
62 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
65 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
67 * cppfiles.c (open_include_file): New function.
68 (find_include_file, cpp_read_file): Use it.
70 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
72 * cpphash.c (dump_hash_helper): Take the slot, not the element.
74 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
76 * flow.c (verify_flow_info): Check for unconditional return.
78 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
80 * config/ia64/ia64.md (restore_stack_nonlocal): New.
81 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
82 (__ia64_restore_stack_nonlocal): New.
83 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
85 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
87 * cpphash.c (collect_formal_parameters): Do not complain about
88 parameter names that just start with `__VA_ARGS__'.
90 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
92 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
93 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
94 * i386.c (pentiumpro_cost): Set mul cost to 4.
95 (x86_use_movx): Set for PPro.
97 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
99 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
100 STACK_BOUNDARY for empty frames now.
102 2000-03-14 Mark Mitchell <mark@codesourcery.com>
104 * stor-layout.c (layout_union): Remove.
105 (layout_union_field): New function, split out from layout_union.
106 (finish_union_layout): Likewise.
107 (layout_field): Handle unions by calling layout_union_field.
108 (finish_record_layout): Handle unions.
109 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
110 QUAL_UNION_TYPE handling.
112 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
114 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
115 end of basic block is jump_insn, not barrier; use create_basic_block
116 instead of creating basic block by hand.
118 2000-03-14 Jason Eckhardt <jle@cygnus.com>
120 * flow.c (reorder_basic_blocks): Account for barriers when writing
121 over NEXT_INSN (last_bb->end).
122 (verify_flow_info): Add check for missing barriers.
124 2000-03-14 Greg McGary <gkm@gnu.org>
126 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
127 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
128 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
129 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
130 __unbounded, __unbounded__): New keywords.
131 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
132 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
133 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
135 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
137 * cselib.h: New file.
138 * alias.c: Include "cselib.h".
139 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
140 MEMs as two new arguments.
141 (get_addr): New static function.
142 (find_base_term): Handle VALUEs.
143 (memrefs_conflict_p): Likewise.
144 (true_dependence): Call get_addr on the addresses.
145 Call fixed_scalar_and_varying_struct_p with addresses that have been
146 passed through get_addr and canon_rtx.
147 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
148 with true_dependence.
149 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
150 * loop.c: Include "cselib.h".
151 (load_mems): Process extended basic block that enters the loop with
152 cselib. Use that information to change initialization of the shadow
153 register so that a constant equivalence is seen by later passes.
154 * reload1.c: Include "cselib.h".
155 (reload_cse_invalidate_regno): Delete function.
156 (reload_cse_mem_conflict_p): Likewise.
157 (reload_cse_invalidate_mem): Likewise.
158 (reload_cse_invalidate_rtx): Likewise.
159 (reload_cse_regno_equal_p): Likewise.
160 (reload_cse_check_clobber): Likewise.
161 (reload_cse_record_set): Likewise.
162 (reg_values): Delete static variable.
163 (invalidate_regno_rtx): Likewise.
164 (reload_cse_delete_noop_set): New static function.
165 (reload_cse_simplify): New static function, broken out of
167 (reload_cse_noop_set_p): Delete unused argument INSN.
168 Just call rtx_equal_for_cselib_p on set source and destination.
169 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
170 reload_cse_delete_noop_set. Delete code to keep track of values; use
171 cselib functions instead. Delete code to push/pop obstacks.
172 (reload_cse_simplify_set): Use cselib to find equivalent values.
173 Delete code to push/pop obstacks.
174 (reload_cse_simplify_operands): Likewise.
175 * rtl.def (VALUE): New rtx code.
176 * rtl.h (union rtunion_def): New elt rt_cselib.
177 (X0CSELIB, CSELIB_VAL_PTR): New macros.
178 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
179 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
180 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
181 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
182 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
183 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
184 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
185 cselib_record_set, cselib_record_sets): New static functions.
186 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
187 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
188 references_value_p): New functions.
189 (MAX_USELESS_VALUES, REG_VALUES): New macros.
190 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
191 n_useless_values, reg_values, callmem, cselib_obstack,
192 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
193 New static variables.
194 * varray.h (union varray_data_tag): New elt te.
195 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
196 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
199 2000-03-14 Nick Clifton <nickc@cygnus.com>
201 * gcc.c (do_spec_1): Catch the case where %* is used in a
202 substitution pattern, but it has not been initialised.
203 Issue a meaningful error message if an unrecognised operator
204 is encountered in a spec string.
206 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
208 * function.c (prepare_function_start): Correctly initialize
209 cfun->stack_alignment_needed.
211 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
213 * cppfiles.c (find_include_file): Don't assume nshort is a
216 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
218 * configure.in (hppa configurations): Add pa32-regs.h to the
219 list of tm files as appropriate.
220 * configure: Rebuilt.
221 * pa.c (compute_frame_size): Remove explicit knowledge about FP
223 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
224 (fmpyaddoperands, fmpysuboperands): Likewise.
225 * pa.h: Remove various definitions which depend on knowing
226 how registers are numbered.
227 * pa32-regs.h: New file with PA32 register numbering specific
230 2000-03-14 Richard Henderson <rth@cygnus.com>
232 * regmove.c (combine_stack_adjustments): New.
233 (stack_memref_p, single_set_for_csa): New.
234 (free_csa_memlist, record_one_stack_memref): New.
235 (try_apply_stack_adjustment): New.
236 (combine_stack_adjustments_for_block): New.
237 * rtl.h (combine_stack_adjustments): Declare.
238 * toplev.c (rest_of_compilation): Call it.
240 * i386.md: Revert 2000-01-16 change.
242 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
244 * gccbug.in: Add web category, gcc specific classes.
246 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
248 * stor-layout.c (finalize_record_size): Fix typo.
250 2000-03-14 Stan Shebs <shebs@apple.com>
252 * c-typeck.c (c_alignof): Error on incomplete types.
253 * extend.texi (Alignment): Document this.
255 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
257 * cppfiles.c: Include mkdeps.h.
258 (find_include_file, read_include_file): Remove _cpp_ prefix
259 from name, make static.
260 (_cpp_execute_include): New function, broken out of
263 * cpplib.c: Don't include mkdeps.h.
264 (struct directive): Remove type field. Reorder entries. The
265 function takes only one argument.
266 (struct if_stack): Make type field an int.
267 (directive_table): Rename to dtable. Generate it, the
268 prototypes of the directive handlers, and the enum for the
269 directive numbers, from a template macro.
270 (do_ifndef, do_include_next, do_import): New functions.
271 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
272 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
273 do_ident, do_assert, do_unassert, do_sccs): Take only one
275 (do_sccs): Define always, but alter behavior based on
277 (_cpp_handle_directive, consider_directive_while_skipping):
278 Restructure for new directive table layout.
280 (pass_thru_directive): Take a directive number, not a pointer
281 to a struct directive.
282 (parse_include): New function, broken out of do_include.
283 (do_include, do_import, do_include_next): Use parse_include
284 and _cpp_execute_include.
285 (do_elif, do_else): Test for T_ELSE specifically when checking
286 for #elif/#else after #else.
287 (parse_ifdef): New function, broken out of do_ifdef.
288 (validate_else): Expect a name arg without a leading #.
289 (if_directive_name): Delete.
290 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
291 directive handlers with only one argument.
293 * cpphash.h: Update prototypes.
294 (enum node_type): Remove entries for directives.
295 * Makefile.in: Update dependencies.
297 * cpphash.c (dump_hash_helper): Only dump nodes of type
298 T_MACRO. Emit a newline after each definition.
300 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
302 * gccbug.in: New file.
303 * configure.in (all_outputs): Add gccbug.
304 * Makefile.in (install-common): Install gccbug.
305 (GCCBUG_INSTALL_NAME): New variable.
306 * configure: Rebuilt.
308 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
310 * function.c (put_var_into_stack): Use type_for_mode to calculate
311 part_type. Use MEM_SET_IN_STRUCT_P.
312 * expr.c (store_field): Handle CONCAT.
313 (store_constructor): Use fields_length.
314 * tree.c (fields_length): New fn.
315 * tree.h: Declare it.
317 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
319 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
320 (cpplex.o): New target.
321 * po/POTFILES.in: Add cpplex.c.
323 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
324 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
325 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
326 skip_block_comment, skip_line_comment, skip_comment,
327 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
328 _cpp_parse_name, skip_string, parse_string,
329 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
330 _cpp_get_directive_token, find_position,
331 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
332 (maybe_macroexpand, _cpp_lex_token): New functions.
334 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
335 parse_goto_mark): Delete.
336 (_cpp_handle_eof): New function.
337 (_cpp_handle_directive): Rename from handle_directive.
338 (_cpp_output_line_command): Rename from output_line_command.
339 (do_if, do_elif): Call _cpp_parse_expr directly.
340 * cppfiles.c (_cpp_read_include_file): Don't call
341 init_input_buffer here.
342 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
343 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
344 here; pop the token_buffer and skip the rest of the line here.
345 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
348 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
350 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
351 CPP_GOTO_MARK): New macros.
352 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
353 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
354 _cpp_read_and_prescan, _cpp_init_input_buffer,
355 _cpp_grow_token_buffer, _cpp_get_directive_token,
356 _cpp_handle_directive, _cpp_handle_eof,
357 _cpp_output_line_command): Prototype them here.
358 * cpplib.h (enum cpp_token): Add CPP_MACRO.
359 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
360 quote_string, output_line_command): Remove.
362 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
364 * stmt.c (expand_end_case): RANGE may be signed, and when checking
365 whether it is too large we must also verify that it isn't negative.
367 2000-03-13 Jakub Jelinek <jakub@redhat.com>
369 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
370 (movsi_zero_liveg0): Remove.
371 (movsf_insn_novis_liveg0): Remove.
373 (negsi2_not_liveg0): Rename to negsi2.
374 (one_cmplsi2): Remove.
375 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
376 (one_cmplsi2_liveg0): Remove.
377 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
378 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
379 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
380 (PREDICATE_CODES): Remove zero_operand.
381 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
382 TARGET_BROKEN_SAVERESTORE.
383 (zero_operand): Remove.
384 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
385 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
387 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
388 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
389 TARGET_BROKEN_SAVERESTORE): Remove.
390 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
392 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
394 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
397 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
399 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
401 * cpplib.c (do_pragma_implementation): Fix off-by-one error
402 truncating a string. Don't assume tokens are nul terminated.
403 Problem noted by Andreas Jaeger <aj@suse.de>
405 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
407 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
408 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
409 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
411 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
413 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
414 STRUCTURE_SIZE_BOUNDARY.
416 2000-03-13 Mark Mitchell <mark@codesourcery.com>
418 * tree.h (record_layout_info_s): New structure.
419 (record_layout_info): New type.
420 (new_record_layout_info): New function.
421 (layout_field): Likewise.
422 (finish_record_layout): Likewise.
423 * stor-layout.c (layout_record): Remove.
424 (new_record_layout_info): New function.
425 (layout_field): New function, broken out from layout_record.
426 (finalize_record_size): Likewise.
427 (compute_record_mode): Likewise.
428 (finalize_type_size): New function, broken out from layout_type.
429 (finish_record_layout): Likewise.
430 (layout_type): Use them.
432 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
434 * cpphash.c: Don't include version.h.
435 (special_symbol) [case T_VERSION]: Look for the string in
436 hp->value.cpval; don't use version_string.
437 * cppinit.c (initialize_builtins): Set hp->value.cpval for
438 __VERSION__ to version_string.
439 * Makefile.in (cpphash.o): Update deps.
441 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
443 Convert cpplib to use libiberty/hashtab.c.
445 * cpplib.h (struct cpp_reader): Make hashtab and
446 all_include_files of type 'struct htab *'. Delete HASHSIZE
447 and ALL_INCLUDE_HASHSIZE macros.
449 * cpphash.h: Update prototypes.
450 (struct hashnode): Remove next, prev, and bucket_hdr members.
451 Make length a size_t. Add hash member.
452 (struct ihash): Remove next member. Add hash member. Make
453 name a flexible array member.
455 * cppfiles.c: Include hashtab.h.
456 (include_hash): Delete.
457 (IHASHSIZE): New macro.
458 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
459 (cpp_included): Do the hash lookup here.
460 (_cpp_find_include_file): Rewrite.
461 (cpp_read_file): Put the "fake" hash entry into the hash
462 table. Honor the control_macro, if it turns out we've seen
463 the file before. Don't push the buffer here.
464 (_cpp_read_include_file): Push the buffer here.
465 (OMODES): New macro. Use it whenever we call open(2).
467 * cpphash.c: Include hashtab.h.
468 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
469 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
470 _cpp_lookup_slot): New functions.
471 (HASHSIZE): new macro.
472 (hashf, _cpp_install, _cpp_delete_macro): Delete.
473 (_cpp_lookup): Use hashtab.h routines.
475 * cppinit.c: Include hashtab.h.
476 (cpp_reader_init): Call _cpp_init_macro_hash and
477 _cpp_init_include_hash. Don't allocate hashtab directly.
478 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
479 pfile->all_include_files.
480 (initialize_builtins): Use _cpp_make_hashnode and
481 htab_find_slot to add hash entries.
482 (cpp_finish): Just call _cpp_dump_macro_hash.
483 * cpplib.c: Include hashtab.h.
484 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
486 (do_pragma_poison, do_assert): Likewise.
487 (do_include): Don't push the buffer here. Don't increment
488 system_include_depth unless _cpp_read_include_file succeeds.
489 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
491 (do_pragma_implementation): Use alloca to create copy.
493 * Makefile.in: Update dependencies.
495 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
497 * cppinit.c (cl_directive_handler): More K&R fixing.
499 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
501 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
503 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
505 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
507 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
508 Change from char[] to macros.
510 2000-03-12 Neil Booth <NeilB@earthling.net>
512 * cppinit.c (cpp_start_read): Update indirect function
515 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
517 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
520 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
521 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
523 2000-03-11 Neil Booth <NeilB@earthling.net>
525 * cppinit.c (struct pending option): Replace undef with a
526 pointer to a directive handling routine.
527 (struct cpp_pending): Replace separate assert_ and define_
528 lists with one directive_ list.
529 (new_pending_define): Rename new_pending_directive. Extra
530 argument is the directive's handling routine.
531 (handle_option): Update to use new_pending_directive.
533 2000-03-11 Neil Booth <NeilB@earthling.net>
535 * cppfiles.c (file_cleanup, _cpp_find_include_file,
536 remap_filename, _cpp_read_include_file, actual_directory,
537 hack_vms_include_specification): Replace bcopy(), index() etc
538 calls. Add casts to some allocations. Make some variables
539 pointers to const [unsigned] char.
540 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
541 collect_formal_parameters): Similarly.
542 * cppinit.c (struct pending_option, append_include_chain,
543 cpp_options_init, cpp_reader_init, initialize_standard_includes,
544 cpp_start_read, new_pending_define, handle_option): Similarly.
545 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
546 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
547 do_pragma_implementation, detect_if_not_defined,
548 do_ifdef, skip_if_group, cpp_get_token, parse_string,
549 do_assert, do_unassert): Similarly.
550 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
552 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
554 2000-03-10 Richard Henderson <rth@cygnus.com>
556 * builtins.c (expand_builtin_strlen): Revert last change.
557 Use emit_insn_before if we're at the beginning of a sequence.
559 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
561 * builtins.c (expand_builtin_strlen): Make sure that we have something
562 at the beginning of the sequence.
564 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
567 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
569 2000-03-10 Richard Henderson <rth@cygnus.com>
571 * except.c (can_throw): Use INTVAL on a CONST_INT.
572 (reachable_handlers): Likewise.
573 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
575 2000-03-10 Andreas Jaeger <aj@suse.de>
577 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
578 MD_STARTFILE_PREFIX since those are not needed on linux.
579 (ASM_FILE_START): New, from mips/gnu.h.
581 2000-03-09 Richard Henderson <rth@cygnus.com>
582 Alex Samuel <samuel@codesourcery.com> and others
584 * Makefile.in (ssa.o): New rule.
586 (STAGESTUFF): Add *.ssa and *.ussa.
587 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
588 * rtl.def (PHI): New RTL expression.
589 * rtl.h (clear_log_links): New declaration.
590 (convert_to_ssa): Likewise.
591 (convert_from_ssa): Likewise.
592 * flow.c (split_edge): If the entry node falls through to the
593 split edge's source block, split the entry edge.
594 (clear_log_links): New function.
595 * toplev.c (ssa_dump): New variable.
596 (flag_ssa): Likewise.
597 (f_options): Add "ssa".
598 (compile_file): Create SSA dump files.
599 (rest_of_compilation): Go to and from SSA if enabled.
600 (decide_d_option): Handle -de for SSA dump files.
603 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
605 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
608 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
610 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
612 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
614 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
615 (MD_STARTFILE_PREFIX_1): New macro.
617 2000-03-09 Robert Lipe <robertl@sco.com>
619 * config/ia64/ia64.c: Include system.h.
621 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
623 * except.c (nothrow_function_p): If -fno-exceptions, just return.
624 (init_eh_nesting_info): Likewise.
626 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
627 (TREE_NOTHROW): Rename from TREE_RAISES.
628 * toplev.c (rest_of_compilation): Set it.
629 * print-tree.c (print_node): Adjust.
630 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
631 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
632 * calls.c (emit_call_1): Add 'nothrow' parm. Add
633 REG_EH_REGION note as appropriate.
634 (libfunc_nothrow): New fn.
635 (emit_library_call, emit_library_call_value): Use it.
636 (expand_call): Check TREE_NOTHROW.
638 * varasm.c (make_decl_rtl): Skip initial '*' when setting
641 2000-03-09 Andreas Jaeger <aj@suse.de>
643 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
644 (TARGET_MEM_FUNCTIONS): Define.
646 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
648 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
650 * except.c (can_throw): See through a SEQUENCE.
651 (nothrow_function_p): New fn.
652 * except.h: Declare it.
653 * function.c (current_function_nothrow): New var.
654 (prepare_function_start): Initialize it.
655 * output.h: Declare it.
656 * toplev.c (rest_of_compilation): Set it.
657 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
659 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
661 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
662 match. (cpp_compare_defs): Count the nul separator when
663 advancing over argument names.
665 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
667 * recog.c (preprocess_constraints): Matching constraints affect
668 same alternative/different operand, not same operand/different
671 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
672 register and a constant specially.
674 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
676 * libgcc2.h: New file.
677 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
679 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
681 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
682 * configure: Regenerate.
685 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
687 * Makefile.in (LIBCPP_DEPS): New macro.
688 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
690 * cpperror.c: Include cpphash.h.
691 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
693 (lex): Don't use CPP_WARN_UNDEF.
694 (_cpp_parse_expr): Return an int, the truth value.
695 * cppfiles.c: Include cpphash.h.
696 (_cpp_merge_include_chains): Move to cppinit.c and make static.
697 * cppinit.c (include_defaults_array): Disentangle.
698 (cpp_cleanup): Don't free the if stack here.
699 (cpp_finish): Pop off all buffers, not just one.
700 * cpplib.c (eval_if_expr): Return int.
701 (do_xifdef): Rename do_ifdef.
702 (handle_directive): Don't use CPP_PREPROCESSED.
703 (cpp_get_token): Don't use CPP_C89.
704 * fix-header.c: Don't use CPP_OPTIONS.
706 * cpplib.h: Move U_CHAR, enum node_type, struct
707 file_name_list, struct ihash, is_idchar, is_idstart,
708 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
709 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
710 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
711 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
712 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
713 of _cpp_simplify_pathname, _cpp_find_include_file,
714 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
715 Move struct if_stack to cpplib.c. Move struct cpp_pending to
717 Change all uses of U_CHAR to be unsigned char instead.
718 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
720 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
722 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
723 (dwarf2out_begin_prologue): Set it.
724 (output_call_frame_info): Don't emit EH unwind info for leaves.
726 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
727 can occur outside of an EH region.
728 * except.c: Correct comments about rethrow behavior.
729 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
731 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
733 * flow.c (make_edges): Always call make_eh_edge for calls.
735 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
737 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
738 (struct cpp_buffer): Remove fname and underflow fields.
739 (struct cpp_reader): Remove get_token field.
740 (struct include_hash): Rename to struct ihash. Add typedef to
742 (struct if_stack): Remove fname field.
743 (IF_STACK_FRAME): Rename to IF_STACK.
745 * cpperror.c (print_containing_files): Trust that there are no
746 macro buffers below the top file buffer.
747 * cppfiles.c: Replace all references to 'struct include_hash'
748 with 'IHASH'. Rename initialize_input_buffer to
749 init_input_buffer. Don't set or reference cpp_buffer->fname,
750 use buffer->ihash->name instead.
751 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
753 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
754 IF_STACK_FRAME, IHASH not struct include_hash.
755 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
756 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
757 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
758 references to cpp_buffer->fname (delete entirely, or use
759 ->ihash->name instead) and IF_STACK->fname.
760 (cpp_push_buffer): Don't set new->underflow.
761 (do_include): Use cpp_file_buffer.
763 * cpphash.c (collect_formal_parameters): Remove duplicate
764 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
765 used as a macro argument name. Don't append "..." to namebuf
766 for varargs macros. After we're done scanning, go through
767 namebuf and make it NUL separated, not comma separated.
768 (_cpp_compare_defs): Remove register tag from variables.
769 Expect defn->argnames to be NUL separated.
770 (_cpp_dump_definition): Expect defn->argnames to be NUL
771 separated and in forward order.
772 * cpphash.h: Update documentation of argnames field.
774 2000-03-08 Richard Henderson <rth@cygnus.com>
776 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
777 to fail. Don't pre-expand the source operand.
779 * i386.md (strlensi): Initialize eoschar and align before use.
781 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
783 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
786 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
788 * mips.c (mips_expand_prologue): If the last
789 named argument is the vararg marker "va_list", treat it as
792 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
794 * dbxout.c (dbxout_parms): When correcting for promoted
795 big-endian parameters, use the mode of the DECL_RTL rather
798 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
800 * c-common.h (make_fname_decl): Declare.
801 * c-common.c (make_fname_decl): Define.
802 (declare_hidden_char_array): Remove.
803 (declare_function_name): Use make_fname_decl.
804 * c-decl.c (c_make_fname_decl): New function.
805 (init_decl_processing): Set make_fname_decl.
807 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
809 * cccp.c (handle_directive): Initialize backslash_newlines_p.
811 2000-03-07 Philipp Thomas <pthomas@suse.de>
813 * po/POTFILES.in: Remove cppalloc.c from file list.
815 2000-03-07 Steve Chamberlain <sac@pobox.com>
817 * pj.c (pj_expand_prologue): current_function->args_info is
818 now current_function_args_info.
820 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
821 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
822 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
824 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
826 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
827 output as hexadecimal rather than the default octal.
829 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
831 * cpphash.c (special_symbol): Fix thinko in previous commit.
833 2000-03-07 Neil Booth <NeilB@earthling.net>
835 * cppexp.c (struct operation, left_shift, right_shift,
836 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
837 "int"s to "unsigned int"s.
838 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
840 * cpplib.h: Update for above.
841 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
842 returned from allocations.
844 * cppinit.c (opt_comp, parse_options): New functions.
845 (handle_option): Use parse_option to parse a single command
846 line option, that possibly takes an argument.
847 (cpp_handle_options): Sort the array of command line options on
848 first invocation (non-ASCII hosts only).
849 (print_help): Update.
851 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
853 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
854 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
856 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
858 * cppinit.c (cpp_cleanup): Free imp->nshort also.
860 * cpperror.c (cpp_print_containing_files,
861 cpp_print_file_and_line, v_cpp_message): Rename to
862 print_containing_files, print_file_and_line, and v_message.
863 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
864 to _cpp_parse_expr, parse_escape, and lex.
865 (parse_charconst): Remove broken multibyte support.
866 * cppfiles.c (include_hash): Make static.
867 (cpp_included): New function.
868 (merge_include_chains, find_include_file, finclude,
869 simplify_pathname): Rename to _cpp_merge_include_chains,
870 _cpp_find_include_file, _cpp_read_include_file, and
871 _cpp_simplify_pathname.
872 * cpphash.c (cpp_lookup, free_definition, delete_macro,
873 cpp_install, create_definition, macroexpand, compare_defs,
874 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
875 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
876 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
877 * cppinit.c (cpp_handle_option): Rename to handle_option, make
879 * cpplib.c: Remove extern prototype of cpp_parse_expr.
881 * cpphash.h: Update prototypes.
882 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
884 2000-03-07 Andrew Haley <aph@cygnus.com>
886 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
887 PTRDIFF_TYPE should be based solely on Pmode.
890 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
892 * rtl.h (rtunion_def): Constify member `rtstr'.
893 (emit_line_note_after, emit_line_note, emit_line_note_force,
894 emit_note, decode_asm_operands): Constify.
896 * cse.c (canon_hash): Likewise.
898 * dbxout.c (dbxout_block): Likewise.
900 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
901 v_warning_for_asm): Likewise.
903 * dwarfout.c (function_start_label): Likewise.
905 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
906 emit_line_note_force): Likewise.
908 * final.c (last_filename, asm_insn_count, final_scan_insn,
909 output_source_line): Likewise.
911 * function.h (struct emit_status): Likewise.
913 * gcse.c (hash_expr_1): Likewise.
915 * genattr.c (gen_attr, main): Likewise.
917 * genattrtab.c (struct function_unit, current_alternative_string,
918 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
919 attr_numeral, check_attr_test, check_attr_value,
920 convert_set_attr_alternative, convert_set_attr,
921 compute_alternative_mask, simplify_by_exploding, gen_attr,
924 * genflags.c (gen_insn): Likewise.
926 * gengenrtl.c (type_from_format): Likewise.
928 * genopinit.c (gen_insn): Likewise.
930 * genoutput.c (n_occurrences, process_template, process_template):
933 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
936 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
939 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
940 ggc_set_mark, ggc_get_size): Likewise.
942 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
944 * optabs.c (init_one_libfunc): Likewise.
946 * output.h (assemble_start_function): Likewise.
948 * recog.c (decode_asm_operands): Likewise.
950 * toplev.c (rest_of_compilation): Likewise.
952 * tree.h (emit_line_note_after, emit_line_note,
953 emit_line_note_force): Likewise.
955 * varasm.c (asm_output_bss, asm_output_aligned_bss,
956 asm_emit_uninitialised, assemble_start_function,
957 assemble_variable, const_hash, compare_constant_1,
958 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
960 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
962 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
964 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
966 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
968 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
969 arm_dllimport_name_p): Likewise.
971 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
974 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
976 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
978 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
979 arm_mark_dllexport, arm_mark_dllimport,
980 arm_pe_encode_section_info): Likewise.
982 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
983 ASM_FINISH_DECLARE_OBJECT): Likewise.
985 * arm/thumb.c (thumb_function_prologue): Likewise.
987 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
989 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
991 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
993 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
995 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
997 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
999 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
1000 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
1002 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
1004 * i386/i386.c (asm_output_function_prefix): Likewise.
1006 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
1008 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1010 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
1012 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
1013 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
1014 ASM_OUTPUT_SECTION_NAME): Likewise.
1016 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
1018 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
1020 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
1022 * m32r/m32r.c (m32r_encode_section_info): Likewise.
1024 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1026 * mcore/mcore.c (mcore_encode_section_info): Likewise.
1028 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1030 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1032 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1034 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
1036 * mips/mips.md (movdi, movsi): Likewise.
1038 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1040 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1042 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1044 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
1045 ASM_OUTPUT_ASCII): Likewise.
1047 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
1048 output_mi_thunk, output_toc): Likewise.
1050 * rs6000/rs6000.md (movsi): Likewise.
1052 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
1054 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
1056 * v850/v850.c (print_operand, print_operand_address,
1057 v850_encode_data_area): Likewise.
1059 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
1061 * config/mips/mips.md (zero_extendsidi2): Always force operand
1062 one to memory for mips16.
1064 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1066 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
1067 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
1068 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
1069 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
1070 (min_precision): Result is unsigned.
1071 (add_double, neg_double, mul_double): Low word is unsigned.
1072 (lshift_double, rshift_double, lrotate_double): Likewise.
1073 (rrotate_double, div_and_round_double): Likewise.
1074 (tree_floor_log2, compare_tree_int): New functions.
1075 (preserve_rtl_expr_temps): New declaration.
1076 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
1077 (decl_attributes): Use tree_log2 to find alignment.
1078 Check for TREE_INT_CST_HIGH for format args.
1079 (min_precision): Now unsigned.
1080 Use tree_floor_log2.
1081 (truthvalue_conversion): Delete long-disabled code.
1082 * c-decl.c (finish_struct): Clean up tests on field width.
1083 (finish_function): Use compare_tree_int.
1084 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
1085 * c-typeck.c (comptypes): Use tree_int_cst_equal.
1086 (default_conversion, digest_init): Use compare_tree_int.
1087 (build_binary_op): Use integer_all_onesp and compare_tree_int.
1088 Fix type errors in forming masks.
1089 * calls.c (initialize_argument_information): Use compare_tree_int.
1090 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1091 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
1092 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
1093 (store_field): Use compare_tree_int.
1094 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
1095 (expand_expr, case ARRAY_REF): Use compare_tree_int.
1096 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
1097 (do_store_flag): Use compare_tree_int.
1098 * fold-const.c (encode, decode): Low part is always unsigned.
1099 (force_fit_type, add_double, neg_double, mul_double): Likewise.
1100 (lshift_double, rshift_double, lrotate_double): Likewise.
1101 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
1102 (fold_convert): Use compare_tree_int.
1103 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
1104 (invert_truthvalue, case INTEGER_CST): Likewise.
1105 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
1106 * mkdeps.c (deps_dummy_targets): Make I unsigned.
1107 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
1108 (lshift_double, rshift_double, lrotate_double, rrotate_double):
1110 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
1111 (expand_end_case): Use compare_tree_int.
1112 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1113 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
1114 (layout_decl): Likewise.
1115 (layout_record, layout_union): Make sizes unsigned.
1116 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
1117 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
1118 * tree.c (struct type_hash): hashcode is unsigned.
1119 (build_type_attribute_variant, type_hash_list): Likewise.
1120 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
1121 (attribute_hash_list, build_array_type, build_method_type): Likewise.
1122 (build_complex_type): Likewise.
1123 (real_value_from_int_cst): Remove unneeded casts.
1124 (integer_all_onesp): Add casts.
1125 (tree_floor_log2, compare_tree_int): New functions.
1126 (build_index_type): Use tree_int_cst_sgn.
1127 * varasm.c (assemble_variable): Use compare_tree_int.
1129 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
1131 * cpphash.c (collect_expansion): Also catch ## at start of macro.
1133 * varasm.c (make_decl_rtl): Don't add a number to members of
1135 (make_function_rtl): Likewise.
1137 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1139 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
1140 patch from 2000-01-28.
1142 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
1144 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
1145 filled with an insn from the jump target.
1147 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1149 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
1150 (c4x_external_ref): Likewise.
1151 * config/c4x/c4x.c (struct name_list): Likewise.
1153 1999-12-16 Ben Collins <bcollins@debian.org>
1155 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
1156 argument to genmultilib.
1157 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
1158 the contents into the multilib.h header.
1159 * gcc.c: Declare multilib_exclusions for the specs file.
1160 (set_multilib_dir): Use it.
1161 (print_multilib_info): Likewise.
1162 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
1163 to pass to genmultilib.
1165 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1167 * builtins.c (built_in_class_names, built_in_names): Constify a
1170 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
1172 (_mcleanup): Ensure value matches format specifier in sprintf.
1174 * cpphash.c (special_symbol): Don't needlessly cast away
1177 * cppinit.c (base_name): Delete unused prototype.
1179 * mkdeps.c (deps_init): Make definition K&R safe.
1181 * tree.h (built_in_class_names, built_in_names): Constify a
1184 2000-03-06 Jakub Jelinek <jakub@redhat.com>
1186 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
1187 floating point instructions for epilogue delay.
1189 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
1190 to gas if it supports .register pseudo.
1192 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
1193 LONG_DOUBLE_TYPE_SIZE if not defined.
1194 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
1195 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
1197 * gengenrtl.c: Likewise.
1198 * print-rtl.c: Likewise.
1200 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
1201 MASK_LONG_DOUBLE_128.
1202 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
1203 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
1204 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
1205 (SUBTARGET_SWITCHES): Define.
1206 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
1207 with -mlong-double-128.
1208 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1209 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1210 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1211 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
1212 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
1213 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
1214 with -mlong-double-128.
1215 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1216 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1217 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1218 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
1219 TARGET_LONG_DOUBLE_128): Define.
1220 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
1221 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
1222 long double on TARGET_ARCH64.
1224 2000-03-06 Mark Mitchell <mark@codesourcery.com>
1226 * function.c (free_temps_for_rtl_expr): Don't free slots
1227 that have been pushed into a higher level.
1230 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1232 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1234 * basic-block.h (ALLOCA_REG_SET): Remove.
1235 (INITIALIZE_REG_SET): New macro.
1236 * flow.c (update_life_info): Use it.
1237 (calculate_global_regs_live): Likewise.
1238 (propagate_block): Likewise.
1239 * global.c (build_insn_chain): Likewise.
1240 * haifa-sched.c (schedule_region): Likewise.
1242 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
1244 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
1245 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
1246 (DWARF_ARANGES_PAD_SIZE): New define.
1247 (output_aranges): Use it to pad the address range header.
1248 (DWARF_ROUND): Fix for non power of 2 rounding.
1250 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
1252 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
1254 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1256 * tree.def (RTL_EXPR): Update documentation.
1257 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
1258 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
1259 * function.c (preserve_rtl_expr_temp): New function.
1260 (preserve_rtl_expr_temps): Likewise.
1261 (preserve_rtl_expr_result): Use it.
1264 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1266 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
1268 * regmove.c (copy_src_to_dest) Do not create src->dest move
1269 for unchanging destination.
1271 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1273 * function.h (struct sequence_stack): Remove rtl_expr.
1274 (struct emit_staus): Likewise.
1275 (seq_rtl_expr): Remove.
1276 * tree.h (free_temps_for_rtl_expr): Don't declare.
1277 (start_sequence_for_rtl_expr): Likewise.
1278 * rtl.h (preserve_rtl_expr_result): Likewise.
1279 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
1280 (start_sequence_for_rtl_expr): Remove.
1281 (push_topmost_sequence): Don't save sequence_rtl_expr.
1282 (pop_topmost_sequence): Remove comment about not restoring it.
1283 (end_sequence): Don't set seq_rtl_expr.
1284 (init_emit): Don't initialize it.
1285 (mark_sequence_stack): Don't mark it.
1286 (mark_emit_status): Likewise.
1287 * except.c (protect_with_terminate): Use
1288 start_sequence_for_rtl_expr, not start_sequence.
1289 * expr.c (expand_expr, case RTL_EXPR): Don't call
1290 preserve_rtl_expr_result or free_temps_for_rtl_expr.
1291 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
1292 (preserve_rtl_expr_result): Remove.
1293 (free_temps_for_rtl_expr): Likewise.
1294 (pop_temp_slots): Likewise.
1295 (mark_temp_slot): Don't mark the rtl_expr.
1296 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
1297 start_sequence_for_rtl_expr.
1299 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
1301 * mkdeps.c, mkdeps.h: New files.
1302 * po/POTFILES.in: Add them.
1303 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
1304 (cpplib.o, cppinit.o): Depend on mkdeps.h.
1305 (mkdeps.o): New target.
1307 * cppfiles.c: Delete deps_output.
1308 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
1309 OBJECT_SUFFIX, and base_name.
1310 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
1312 (initialize_dependency_output): Use deps_init,
1313 deps_add_target, deps_calc_target, and deps_add_dep. Remove
1314 all the unnecessary string bashing.
1315 (cpp_finish): Use deps_write. Remove an unnecessary nesting
1317 * cpplib.c (do_include): Use deps_add_dep.
1318 * cpplib.h (struct cpp_reader): Replace deps_buffer,
1319 deps_allocated_size, deps_size, deps_column members with
1320 single pointer to a struct deps. Delete prototype of
1323 * cppinit.c: Fix thinko in previous patch.
1325 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1327 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
1328 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
1329 (mode_for_size_tree): New function.
1330 (layout_decl, layout_type): Call it and clean up BLKmode checks.
1331 * tree.h (mode_for_size_tree): New declaration.
1333 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
1335 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
1337 * stmt.c (is_body_block): Move...
1338 * dwarfout.c, dwarf2out.c: ...from here.
1339 * tree.h: Declare it.
1340 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
1341 * final.c (final_start_function): Do call remove_unnecessary_notes
1344 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1346 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
1348 * cpplib.h (_dollar_ok): New macro.
1349 (is_idchar, is_idstart): Use it.
1350 (IStable): Rename to _cpp_IStable. Declare it const if
1351 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
1352 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
1353 is_space): Update for renamed IStable.
1355 * cppinit.c: Delete all references to FAKE_CONST and CAT
1356 macros. Define init_IStable as empty macro if gcc >=2.7 or
1357 C99. Change TABLE() to ISTABLE and hardcode name of table.
1358 (cpp_start_read): Don't change the IStable based on
1361 * cpphash.c (unsafe_chars): Add pfile argument. All callers
1362 changed. Handle '$' for char1 correctly.
1363 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
1365 * cppexp.c (tokentab2): Make const.
1366 (cpp_lex): Make toktab const.
1367 * cppinit.c (include_defaults_array): Make const.
1368 (initialize_standard_includes): Make default_include const.
1370 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1372 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
1373 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
1374 (gen_decl_die): Likewise.
1375 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
1376 (output_decl): Likewise.
1378 * varasm.c (make_function_rtl): If we change the name used in the
1379 rtl, update DECL_ASSEMBLER_NAME accordingly.
1380 (make_decl_rtl): Likewise.
1382 * toplev.c (rest_of_compilation): Tweak formatting.
1384 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
1385 remove_unnecessary_notes.
1386 (debug_ignore_block): New fn.
1387 * toplev.h: Declare it.
1388 * emit-rtl.c (remove_unncessary_notes): Call it.
1389 * dwarf2out.c (dwarf2out_ignore_block): New fn.
1390 * dwarf2out.h: Declare it.
1391 * final.c (final_start_function): Don't call remove_unnecessary_notes
1392 if we did insn scheduling.
1394 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1396 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
1397 * cpplib.h: Delete SET_CPP_PEDANTIC.
1399 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1401 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
1402 result is a RECORD_TYPE.
1404 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
1406 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
1408 2000-03-03 Richard Henderson <rth@cygnus.com>
1410 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
1411 addition over compliments over shifts.
1413 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1415 * reload1.c (reload_combine_note_use): Handle return register USEs.
1416 REG case: Handle multi-hard-register hard regs.
1418 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1420 * md.texi: Document use of '*' in insn pattern name.
1422 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1424 * calls.c (special_function_p): operator new may not be malloc-like.
1426 * gcse.c (dump_hash_table): Really fix error in last change.
1428 2000-03-02 Denis Chertykov <denisc@overta.ru>
1430 * avr.c (print_operand): Use print_operand_address instead of
1432 * avr/libgcc.S: Cleanup code.
1434 2000-03-02 Richard Henderson <rth@cygnus.com>
1436 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
1438 2000-03-02 Mark Mitchell <mark@codesourcery.com>
1440 * tree.h (TYPE_ALIGN_UNIT): New macro.
1442 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
1444 * i386.c: (constant_call_address_operand): Reject CONST_INT.
1446 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
1448 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
1450 (SET_CPP_PEDANTIC): New macro.
1451 * cpplib.c (do_include): Don't bother checking system_header_p.
1452 (do_warning, do_ident, do_assert, do_unassert): Likewise.
1453 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
1455 * function.h (struct expr_status): Add x_arg_space_so_far.
1456 (arg_space_so_far): New macro.
1457 * expr.c (init_expr): Initialize it.
1458 * calls.c (emit_call_1): Reset it.
1459 (compute_argument_block_size, expand_call): Use it.
1460 (expand_call, store_one_arg): Increment it.
1462 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1464 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
1467 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
1469 * cppfiles.c (cpp_read_file): New function.
1471 * cpphash.c (collect_expansion): Make sure to reset last_token
1472 to NORM when we hit a string. Handle trailing whitespace
1473 properly when the expansion is empty.
1474 (create_definition): Disable line commands while parsing the
1476 (dump_definition): If pfile->lineno == 0, output a line
1477 command ahead of the dump, and add a trailing newline.
1479 * cppinit.c (append_include_chain): Add fifth argument, which
1480 indicates whether or not system headers are C++ aware.
1481 (initialize_standard_includes): New function,
1482 broken out of read_and_prescan. Pass 'cxx_aware' value from
1483 the include_defaults_array on to append_include_chain.
1484 (dump_special_to_buffer): Const-ify char array.
1485 (builtin_array): Don't dump __BASE_FILE__.
1486 (cpp_start_read): Use cpp_read_file. Reorder code for
1487 clarity. Don't output line commands here for -D/-A/-U
1488 switches. Don't call deps_output for files included with
1489 -include or -imacros.
1491 * cpplib.c (do_define): Don't pay any attention to the second
1493 (cpp_expand_to_buffer): Disable line commands while scanning.
1494 (output_line_command): Work in the file buffer.
1495 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
1496 Fix formatting of comments. Prototype cpp_read_file.
1498 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1500 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
1501 reference the language-equivalent of sizetype.
1502 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
1503 * fold-const.c (size_binop, size_diffop): Put back checks.
1504 * gcse.c (dump_hash_table): Fix minor error in last change.
1505 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
1506 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
1509 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
1511 * calls.c (expand_call) Do not attempt to combine stack adjustments
1512 with inhibit_defer_pop set.
1514 2000-03-01 Mark Mitchell <mark@codesourcery.com>
1516 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
1517 the DECL_SIZE for a FIELD_DECL.
1519 2000-03-01 Bruce Korb <bkorb@gnu.org>
1521 * fixinc/inclhack.tpl: remove unused symlinks
1522 * fixinc/README: GCC Maintainer info
1523 * fixinc/inclhack.sh: regen
1524 * fixinc/fixincl.sh: regen
1526 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
1528 * cpphash.c (collect_expansion): Trim trailing white space
1529 from macro definitions, but don't go past the last insertion
1532 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
1534 * i386.md (mulqi3): New pattern.
1536 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
1538 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
1540 (struct cpp_reader): Add parsing_if_directive and
1541 parsing_define_directive flags.
1542 (struct cpp_options): Remove output_conditionals flag.
1543 (check_macro_name): Delete prototype.
1545 * cpphash.h (struct macrodef): Delete.
1546 (struct reflist): Separate from struct definition.
1547 (struct definition): Remove unused fields. Add column number.
1548 (create_definition): Returns a DEFINITION *. Takes a
1549 cpp_reader * and an int.
1551 * cpphash.c (SKIP_WHITE_SPACE): Delete.
1552 (PEEKC): Copy defn from cpplib.c.
1553 (rest_extension, REST_EXTENSION_LENGTH): Delete.
1555 (struct arglist): Simplify.
1556 (collect_expansion): Rewrite. Get tokens by calling
1557 cpp_get_token. Add more error checking.
1558 (collect_formal_parameters): New function, broken out of
1559 create_definition and reworked to use get_directive_token.
1560 (create_definition): All real work is now in collect_expansion
1561 and collect_formal_parameters. do_define handles finding the
1562 macro name. Return a DEFINITION, not a MACRODEF.
1563 (macroexpand): Replace bcopy with memcpy throughout. Replace
1564 character-at-a-time copy loop with memcpy and pointer increments.
1565 (compare-defs): d1->argnames / d2->argnames might be null.
1567 * cpplib.c (copy_rest_of_line): Delete function.
1568 (skip_rest_of_line): Do all the work ourselves.
1569 (skip_string): New function.
1570 (parse_string): Use skip_string.
1571 (get_macro_name): New function.
1572 (check_macro_name): Delete.
1573 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
1574 (cpp_skip_hspace): Use CPP_BUMP_LINE.
1575 (handle_directive): ICE if we're called on a macro buffer.
1576 (do_define): Determine macro name and type (funlike/objlike)
1577 here. Expunge all uses of MACRODEF.
1578 (cpp_push_buffer): Set line_base to NULL.
1579 (do_undef, read_line_number): Don't worry about getting a POP token.
1580 (eval_if_expression): Set/reset parsing_if_directive around
1581 cpp_parse_expr. Don't clear only_seen_white.
1582 (skip_if_group): Remove output_conditionals logic. Use
1584 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
1585 tokens under appropriate conditions.
1586 (cpp_unassert): Call do_unassert not do_assert. Oops.
1588 * cppexp.c (parse_defined): New function, break out of
1590 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
1591 ourselves, with cpp_defined.
1592 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
1594 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
1595 * gcc.dg/strpaste-2.c: New.
1597 2000-02-29 Mark Mitchell <mark@codesourcery.com>
1599 * fold-const.c (size_binop): Don't asert inputs are the same and
1600 have TYPE_IS_SIZETYPE set.
1601 (size_diffop): Likewise.
1603 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
1605 * dwarfout.c (output_block): Output abstract blocks even if they
1606 don't have TREE_ASM_WRITTEN set.
1608 * calls.c (emit_library_call): Check for null REG.
1610 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
1612 * c-decl.c (current_function_decl): Move to toplev.c.
1613 (init_decl_processing): Don't add current_function_decl as a ggc
1615 * dbxout.c (dbxout_symbol): Change return type to int.
1616 (dbxout_symbol_location, dbxout_syms): Likewise.
1617 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
1618 any locals. Use current_function_func_begin_label if set.
1619 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
1620 * dwarf2out.c (dwarf2out_begin_prologue): Set
1621 current_function_func_begin_label.
1622 * final.c (final_start_function): Reset it.
1623 * toplev.c (current_function_decl): Define it here.
1624 (current_function_func_begin_label): New variable.
1625 (main): Add both as ggc roots.
1626 * tree.h (current_function_func_begin_label): Declare.
1628 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1630 * gcse.c: Cleanups throughout: mostly white-space, but also
1631 some minor rearrangement of code.
1633 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
1635 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
1636 returns a PARALLEL. Use emit_group_load and use_group_regs
1638 (emit_library_call_value): Similarly.
1640 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
1641 * pa/quadlib.asm: Remove.
1642 * pa/quadlib.c: New file.
1644 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
1645 * configure: Rebuilt.
1647 2000-02-29 Philip Blundell <pb@futuretv.com>
1649 * config/arm/conix-elf.h: New file.
1650 * configure.in (arm*-*-conix*): New configuration.
1651 * configure: Regenerate.
1653 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
1655 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
1656 don't have TREE_ASM_WRITTEN set.
1658 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1660 * Eliminate DECL_FIELD_SIZE.
1661 * builtins.c (built_in_class_names, built_in_names): New variables.
1662 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
1663 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
1664 DECL_SIZE, not DECL_FIELD_SIZE.
1665 * print-tree.c (print_node): Remove code that prints extra blank
1666 lines in some cases.
1667 Properly handle inline and builtin function cases.
1668 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
1669 * tree.h (built_in_class_named, built_in_names): New declarations.
1670 (union tree_decl): Rename internal unions to u1 and u2 and change
1671 some of their components.
1672 Add new field built_in_class.
1673 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
1674 Reflect above changes.
1675 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
1676 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
1677 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
1678 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
1680 2000-02-28 Dmitri Makarov <dim@windriver.com>
1682 * extend.texi: Document ARM's support for long/short calls.
1684 * invoke.texi: Document ARM's -mlong-calls command line switch.
1686 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
1687 (arm_encode_call_attribute): Add prototype.
1688 (arm_set_default_type_attribute): Add prototype.
1689 (arm_strip_name_encoding): Add prototype.
1691 * config/arm/arm.c (arm_init_cumulative_args): replace
1692 initialisation og 'long_calls' field with initialisation of
1693 'call_cookie' field.
1694 (enum arm_pragma_enum): New enum.
1695 (arm_pragma_long_calls): New static variable.
1696 (arm_process_pragma): Also process "#pragma long_calls_off".
1697 (arm_valid_type_attribute_p): Accept short_call attribute.
1698 (arm_comp_type_attributes): Check long/short call attributes.
1699 (arm_encode_call_attribute): New function: Encode long_call
1700 or short_call attribute in function name.
1701 (arm_set_default_type_attributes): New function: Assign
1702 default attributes to newly defined type.
1703 (current_file_function_operand): New function: Return true if
1704 the symbol is a function which has already been compiled.
1705 (arm_is_longcall_p): New function: Return true if the
1706 indicated function should be called via a long call.
1707 (arm_get_strip_length): New function. Returns number of
1708 prefix characters to be stripped from a function's name.
1709 (arm_strip_name_encoding): New function. Strip prefix characters
1710 from a function's name.
1712 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
1714 (SHORT_CALL_FAG_CHAR): Define.
1715 (LONG_CALL_FAG_CHAR): Define.
1716 (ENCODED_SHORT_CALL_ATTR_P): Define.
1717 (ENCODED_LONG_CALL_ATTR_P): Define.
1718 (ARM_NAME_ENCODING_LENGTHS): Define.
1719 (STRIP_NAME_ENCODING): Define.
1720 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
1721 (ARM_ENCODE_CALL_TYPE): Define.
1722 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
1723 (ARM_DECLARE_FUNCTION_SIZE): Define.
1724 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
1726 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
1727 if a long call is needed.
1728 (call_value): Ditto.
1729 (call_symbol): Ditto.
1731 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
1732 ARM_DECLARE_FUNCTION_SIZE.
1734 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
1735 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
1736 (ARM_STRIP_NAME_ENCODING): Undefine.
1737 (STRIP_NAME_ENCODING): Undefine.
1738 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
1739 (ASM_DECLARE_FUNCTION_NAME): Ditto.
1740 (ASM_OUTPUT_COMMON): Ditto.
1741 (ASM_DECLARE_OBJECT_NAME): Ditto.
1743 * config/arm/pe.c (arm_dllexport_name_p): Check for
1745 (arm_dllimport_name_p): Ditto.
1746 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
1747 (arm_mark_dllimport): Ditto.
1749 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1751 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
1753 2000-02-28 Mark Mitchell <mark@codesourcery.com>
1755 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
1757 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
1759 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
1760 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
1761 NO_BUILTIN_WCHAR_TYPE is not defined.
1762 (CPP_WCHAR_TYPE): Delete.
1763 * cccp.c (main): Don't change wchar_type if cplusplus.
1764 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
1766 2000-02-28 Nick Clifton <nickc@cygnus.com>
1768 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
1770 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
1772 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
1773 (ASM_WEAKEN_LABEL): Define.
1775 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
1777 * expr.c (store_constructor): Do not emit USE.
1778 * rtl.h (stupid_life_analysis): Remove.
1780 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1782 * function.c (number_blocks): Reset next_block_index based on
1783 what debugging format is used, not what is defined.
1785 * lcm.c: Minor reformatting throughout.
1786 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
1788 * toplev.c (rest_of_compilation): Account for time in
1789 optimize_mode_switching.
1791 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
1792 if only marking labels.
1794 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
1796 * calls.c (expand_call): Attempt to combine stack adjustments with
1797 pending stack adjustments.
1799 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1801 * loop.c (reg_in_basic_block_p): Don't abort when falling through
1802 to the end of the function.
1804 2000-02-27 Mark Mitchell <mark@codesourcery.com>
1806 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
1808 * final.c (next_block_index): Remove.
1809 (max_block_depth): Likewise.
1810 (pending_blocks): Likewise.
1811 (init_final): Don't initialize them.
1812 (final_start_function): Don't set next_block_index. Set up
1814 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
1815 * function.h (number_blocks): New function.
1816 * function.c (get_block_vector): New function.
1817 (identify_blocks): Use it.
1818 (reorder_blocks): Set NOTE_BLOCK.
1819 (number_blocks): New function.
1820 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
1821 * tree.h (BLOCK_NUMBER): New macro.
1822 (tree_block): Add block_num field.
1823 * dbxout.c (next_block_number): Remove.
1824 (dbxout_init): Don't set it.
1825 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
1826 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
1828 * toplev.c (rest_of_compilation): Always call
1829 find_loop_tree_blocks. Fix indentation.
1830 * dwarf2out.c (next_block_number): Remove.
1831 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
1832 to determine block numbers.
1833 (gen_inlined_subroutine_die): Likewise.
1834 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
1835 (decls_for_scope): Don't increment next_block_number.
1836 * dwarfout.c (next_block_number): Remove.
1837 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
1838 to determine block numbers.
1839 (output_inlined_subroutine_die): Likewise.
1840 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
1841 (output_decls_for_scope): Don't increment next_block_number.
1842 * sdbout.c (next_block_number): Remove.
1843 (sdbout_block): Use BLOCK_NUMBER.
1844 (sdbout_begin_block): Simplify.
1845 * xcoffout.c (next_block_number): Remove.
1846 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
1847 (xcoffout_begin_block): Don't set next_block_number.
1848 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
1851 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1853 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
1854 (expand_builtin_strcpy): Pass correct type to size_binop.
1855 (expand_builtin_strcmp): Likewise.
1856 Clean up conditional structure.
1857 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
1858 (complete_array_type): Don't use size_binop for MAXINDEX.
1859 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
1860 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
1861 (c_alignof): Use size_one_node.
1862 (build_unary_op): Pass arg of proper type to size_binop.
1863 (really_start_incremental_init, push_init_level): Use sizetype for
1864 constructor{,_bit,_unfilled}_index.
1865 (pop_init_label, output_init_element): Likewise.
1866 (output_pending_init_elements, process_init_element): Likewise.
1867 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
1868 * expr.c (store_expr): Use size_int.
1869 (store_constructor): Use proper types for size_binop args.
1870 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
1871 (expand_expr_unaligned): Likewise.
1872 (string_contant): Return object of sizetype.
1873 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
1874 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
1875 (ARGS_SIZE_TREE): Pass proper types to size_binop.
1876 * fold-const.c (int_const_binop): Refine when size_int is called.
1877 (fold_convert): Likewise.
1878 (size_int_wide): Rework to take KIND as arg, only take low order
1879 bits, handle new sizetype_tab datatype, and chain entries in
1881 (size_int_type_wide): New function.
1882 (size_binop): Validate types of arguments.
1883 (ssize_binop): Deleted.
1884 (size_diffop): New function.
1885 (extract_muldiv): Only fold division into multiplication for sizetypes.
1886 * function.c (assign_parms): Use size_diffop and make sure
1887 VAR field is of ssizetype; also pass proper type to size_binop.
1888 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
1889 (round_down): Deleted from here.
1890 * store-layout.c (sizetype_tab): Now an array.
1891 (sizetype_set, early_root_list): New variables.
1892 (variable_size): Use size_one_node.
1893 (round_up): Pass proper type to size_binop.
1894 (round_down): Moved to here and corrected as above.
1895 (layout_record): Pass proper arg types to size_binop.
1896 (layout_type): Likewise.
1897 If sizetype_set is zero, record the type just laid out.
1898 (make_unsigned_type): Don't call set_sizetype;
1899 (make_signed_type): Likewise; also, call fixup_signed_type.
1900 (initialize_sizetypes): New function.
1901 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
1902 set name of bitsizetype to "bit_size_type".
1903 Fix up type of sizes of all types made before call.
1904 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
1905 * tree.c (fix_sizetype): Deleted.
1906 (build_common_tree_nodes): Call initialize_sizetypes.
1907 (build_common_tree_nodes_2): Don't call fix_sizetype.
1908 * tree.h (TYPE_IS_SIZETYPE): New macro.
1909 (initialize_sizetype): New declaration.
1910 (enum size_type_kind): New type.
1911 (struct sizetype_tab): Deleted.
1912 (sizetype_tab): Now array; adjust sizetype macros.
1913 (size_diffop, size_int_type_wide): New functions.
1914 (size_int_wide): Change number of args and type; access macros changed.
1915 (ssize_int, sbitsize_int): New macros.
1916 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
1917 (ROUND_TYPE_SIZE_UNIT): New macro.
1919 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
1921 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
1923 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1925 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
1926 Mark as possibly unused.
1928 * cse.c (cse_insn): Delete dead code involving tablejump.
1929 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
1931 * Makefile.in (libcpp.a): Start by deleting it.
1933 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1935 * cpplib.h (enum file_change_code): Added rename_file.
1936 * cpplib.c (do_line): If a filename is given, set file_change to
1938 (output_line_command): If file_change is rename_file, always
1939 output a # directive with the file name.
1941 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
1943 2000-02-26 Mark Mitchell <mark@codesourcery.com>
1945 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
1946 when copying a PARM_DECL or RESULT_DECL.
1948 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1950 * fix-header.c (recognized_function): Also fix prototypes for
1951 functions taking "void".
1953 2000-02-26 Geoff Keating <geoffk@cygnus.com>
1955 * reload1.c (do_output_reload): Check reg_reloaded_valid before
1956 looking at reg_reloaded_contents.
1958 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
1960 * Makefile.in (STMP_FIXINC): New toggle.
1961 (LIBGCC2_DEPS): Delete all references.
1962 (stmp-headers): Delete target. All references either deleted
1963 or changed to stmp-int-headers.
1964 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
1965 (LIBCPP_OBJS): Take out cppalloc.o.
1966 (cppalloc.o): Delete target.
1967 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
1968 (gen-protos, fix-header): Link with libiberty.a.
1969 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
1972 * configure.in: Remove refs to strerror.
1973 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
1974 * system.h: Take out strerror stanza.
1976 * cpperror.c (my_strerror): Delete function.
1977 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
1978 * cppmain.c (main): Call xmalloc_set_program_name first thing.
1979 * cppalloc.c: Delete file.
1980 * gen-protos.c: Don't provide xrealloc.
1982 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
1983 xstrerror throughout.
1985 2000-02-26 Bruce Korb <bkorb@gnu.org>
1987 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
1988 match for DOS headers, too.
1989 * fixinc/inclhack.sh,fixincl.x: Regenerate.
1991 2000-02-26 Geoff Keating <geoffk@cygnus.com>
1993 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
1994 is right for most ELF targets.
1995 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
1996 Let the default file use %U properly.
1997 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
2000 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
2003 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2005 * toplev.c (documented_lang_options): Correct spelling error.
2006 (decode_d_option, decode_f_option, main): Likewise.
2008 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
2010 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
2011 to tell assembler it is permitted to expand large constants.
2013 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
2015 * protoize.c: (AUX_INFO_SUFFIX): New macro.
2016 (aux_info_suffix): Use.
2017 (SAVE_SUFFIX): New macro.
2019 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
2020 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
2021 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
2023 * invoke.texi (Running Protoize): Update documentation.
2025 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
2027 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
2029 2000-02-25 John Wehle (john@feith.com)
2031 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
2033 2000-02-25 Anthony Green <green@cygnus.com>
2035 * toplev.c (rest_of_compilation): Rebuild jump labels if
2036 combine_instructions has created a new direct jump.
2037 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
2039 (combine_instructions): Call try_combine with new argument.
2040 Return non-null value when new direct jump instruction is created.
2041 * rtl.h: combine_instructions returns an int.
2043 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
2045 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
2046 jump when changing a computed jump into a jump to a known
2049 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
2051 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
2052 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
2054 * i386.md (define_expand "clrstrsi"): Fix typo.
2056 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
2058 * rtl.texi: Fix typo.
2060 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2062 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
2063 UNITS_PER_WORD. Change caller initial_elimination_offset.
2064 (rounded_frame_size): Take into account that argument pushed has
2065 changed. Fix TARGET_ALIGN_DOUBLE problem.
2067 2000-02-25 Geoff Keating <geoffk@cygnus.com>
2069 * haifa-sched.c (schedule_block): Explain the real reason
2070 we delete REG_SAVE_NOTEs on the first insn of a block.
2071 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
2073 2000-02-24 Mark Mitchell <mark@codesourcery.com>
2075 * input.h (push_srcloc): New function.
2076 (pop_srcloc): Likewise.
2077 * toplev.c (push_srcloc): Define it.
2078 (pop_srcloc): Likewise.
2080 2000-02-24 Richard Henderson <rth@cygnus.com>
2082 * flow.c (life_analysis): When collecting reg info, clear
2085 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2087 Fix bug exposed by reload.c no longer rounding the frame
2088 size to BIGGEST_ALIGNMENT:
2089 * sh.c (rounded_frame_size): New function.
2090 (sh_expand_prologue, sh_expand_epilogue): Use it.
2091 (initial_elimination_offset): Likewise.
2093 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2095 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
2096 * sh-protos.h (sh_need_epilogue): Declare.
2097 * sh.c (sh_need_epilogue_known): New static variable.
2098 (sh_need_epilogue): New function.
2099 (function_epilogue): Clear need_epilogue_known.
2100 * sh.md (return): Split into expander / insn pattern.
2101 Make the expander conditional on ! sh_need_epilogue ().
2103 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
2105 * machmode.h (get_mode_alignment): Declare.
2106 (GET_MODE_ALIGNMENT): Call it.
2107 * stor-layout.c (get_mode_alignment): New function. Make
2108 sure alignment is always power of 2.
2110 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2112 * i386.h: Remove useless definition of "I386" and misleading
2115 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2117 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
2118 under which TREE_PERMANENT will be set.
2119 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
2120 build1): Use TREE_SET_PERMANENT.
2121 * print-tree.c (print_node): Don't report value of
2122 TREE_PERMANENT if ggc_p is true.
2124 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
2125 decide whether to give a type a new alias set.
2126 * objc/objc-act.c (build_objc_string_object): Never copy the string.
2127 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
2128 of value of 'obstack'.
2131 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2133 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
2135 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2137 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
2138 * cpplib.c (cpp_get_token): Produce them.
2139 * cppexp.c (cpp_lex): Handle them.
2141 2000-02-23 Nick Clifton <nickc@cygnus.com>
2143 * config/arm/arm.c (arm_comp_type_attributes): Simply and
2144 comment tests on type attributes.
2146 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2148 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
2149 conform to documentation.
2150 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
2151 to check for special cases.
2152 * sh-protos.h (sh_loop_align): Declare.
2153 * sh.c (sh_loop_align): Define.
2155 2000-02-22 Andrew Haley <aph@cygnus.com>
2157 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
2158 (SIZE_TYPE): Is 32 bits when using -mgp32.
2159 (PTRDIFF_TYPE): Ditto.
2161 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2163 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
2165 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2167 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
2168 BIGGEST_FIELD_ALIGNMENT a constant.
2170 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
2172 * dwarf2out.c (output_line_info): Put the marker for the end of
2173 the line number info at the actual end.
2174 (gen_struct_or_union_type_die): Use decl_function_context
2175 to check for local classes.
2176 * dwarfout.c (output_type): Likewise.
2178 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
2180 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
2181 for arguments with a mode, but no type.
2182 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
2183 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
2184 * pa/long_double.h: New file.
2185 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
2186 both have 128bit wide long doubles.
2187 * configure: Rebuilt.
2189 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2191 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
2193 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
2194 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
2195 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
2197 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
2199 * integrate.c (compare_blocks, find_block): Likewise.
2201 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
2203 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
2205 * stmt.c (stmt_status, set_file_and_line_for_stmt,
2206 expand_asm_operands): Likewise.
2208 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
2210 * predict.c (estimate_probability): Added the pointer heuristic to
2211 the collection of static branch predictors.
2213 2000-02-21 Catherine Moore <clm@cygnus.com>
2215 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
2216 * invoke.texi (-mfix7000): Document.
2218 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
2220 * diagnostic.c (init_output_buffer): Make it possible to output at
2221 least 32 characters if we're given a too long prefix.
2223 2000-02-20 Mark Mitchell <mark@codesourcery.com>
2225 * varasm.c (initializer_constant_valid_p): Call
2226 lang_expand_constant to simplify the constant.
2228 2000-02-20 Bruce Korb <bkorb@gnu.org>
2230 * fixinc/inclhack.def(stdio_va_list):
2231 typedef needs to be disabled.
2232 * fixinc/inclhack.sh: regen
2233 * fixinc/fixincl.x: regen
2235 2000-02-20 Geoff Keating <geoffk@cygnus.com>
2237 * print-rtl.c (print_rtx): Don't print addresses when
2238 flag_dump_unnumbered.
2240 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2242 * sparc.c (sparc_output_scratch_registers): Mark parameter with
2244 (sparc_va_arg, sparc_flat_output_function_prologue,
2245 sparc_flat_output_function_epilogue): Cast value to unsigned in
2247 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
2249 * sparc.md: Add default case in switch.
2251 2000-02-19 Richard Henderson <rth@cygnus.com>
2253 * c-typeck.c (add_pending_init): Don't abort for multiple
2254 fields at the same offset.
2255 (pending_init_member): Test the correct member.
2257 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2259 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
2261 (start_catch_handler) : Same.
2263 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
2265 * Makefile.in: Have flow.o depend on $(EXPR_H)
2267 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2269 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
2270 * c-decl.c (duplicate_decls, finish_enum): Likewise.
2271 (finish_decl): Remove -Wlarger-than code from here.
2272 * flags.h (id_clash_len): Now int.
2273 (larger_than_size): Now HOST_WIDE_INT.
2274 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
2275 Clean up checking to see if in table.
2276 (make_bit_field_ref): Remove extra parm to bitsize_int.
2277 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
2278 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
2279 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
2280 and for computing size of decl.
2281 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
2282 Move -Wlarger-than code to here.
2283 (layout_record): Remove extra arg to bitsize_int.
2284 Set TYPE_BINFO_SIZE_UNIT.
2285 (layout_union): Remove extra arg to bitsize_int.
2286 Use proper type for size of QUAL_UNION.
2287 (layout_type): Remove extra arg to bitsize_int.
2288 * toplev.c (id_clash_len): Now int.
2289 (larger_than_size): Now HOST_WIDE_INT.
2290 (decode_W_option): Clean up id-clash and larger-than- cases.
2291 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
2292 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
2293 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
2294 (struct tree_decl): New field size_unit.
2295 (size_int_wide): No HIGH operand; NUMBER is now signed.
2296 (size_int_2): Deleted.
2297 (size_int, bitsize_int): Don't use it and rework args.
2298 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
2300 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
2302 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
2304 2000-02-18 Geoff Keating <geoffk@cygnus.com>
2306 * invoke.texi (Warning Options): Add an explanation of why
2307 you might want the -Wfloat-equal flag.
2309 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2311 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
2312 * cppinit.c (new_pending_define): Add cast to avoid warning.
2313 * expmed.c (extract_bit_field): Likewise.
2314 * flow.c (enum reorder_skip_type): New type.
2315 (skip_insns_between_blcok): New it.
2316 Rework to avoid warning about possibly undefined variable.
2317 * function.c (assign_parms): Make thisparm_boundary unsigned.
2318 * genrecog.c (write_switch): Cast XWINT result to int.
2319 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
2320 * mips-tfile.c (init_file): Make two versions of FDR intializer:
2321 one for MIPS and one for Alpha.
2322 (get_tag, copy_object): Add casts to avoid warnings.
2323 * optabs.c (init_one_libfunc): Cast NAME to (char *).
2324 * reload.c (find_reloads): Make TYPE enum reload_type.
2325 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
2326 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
2327 * varasm.c (compare_constant_1): Add cast to avoid warning.
2328 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
2330 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
2331 Cast switch operand of size to int.
2332 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
2333 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
2336 2000-02-18 Nick Clifton <nickc@cygnus.com>
2338 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
2339 anything for an alignment of zero.
2341 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
2342 anything for an alignment of zero.
2344 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
2346 * gcc.texi (Bug Reporting): Refer to bugs.html.
2347 (Bug Lists): Likewise.
2348 * system.h (GCCBUGURL): New preprocessor define.
2349 * rtl.c (fancy_abort): Use it.
2350 * gcc.c (main): Likewise.
2352 2000-02-18 Richard Henderson <rth@cygnus.com>
2354 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
2355 (life_analysis_1): Subsume into ...
2356 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
2357 Use update_life_info for the relaxation.
2358 (update_life_info): Update REG_BASIC_BLOCK for registers live on
2359 entry and regs_live_at_setjmp.
2360 (set_noop_p): Simplify.
2361 (notice_stack_pointer_modification_1): Renamed from s/_1//.
2362 (record_volatile_insns): Split into ...
2363 (delete_noop_moves): ... here,
2364 (notice_stack_pointer_modification): ... here,
2365 (insn_dead_p): ... and here.
2366 (propagate_block): Don't query INSN_VOLATILE.
2367 (mark_used_regs): Mind !PROP_REG_INFO.
2368 * toplev.c (rest_of_compilation): Call mark_constant_function here,
2369 not in life_analysis.
2371 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
2373 * loop.c (canonicalize_condition): New function,
2374 broken out of get_condition.
2375 (get_condition): Use it.
2376 * expr.h (canonicalize_condition): Prototype it.
2378 * tree.h (tree_int_cst_msb): Declare.
2379 * tree.c (tree_int_cst_msb): New function.
2381 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2383 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
2386 * invoke.texi (-fmessage-length=n): Document.
2388 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
2390 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
2392 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2394 * function.c (thread_prologue_and_epilogue_insns): Put a line note
2397 2000-02-17 Nick Clifton <nickc@cygnus.com>
2399 * config/arm/thumb.c: Replace includes of system headers with
2400 #include "system.h".
2402 2000-02-16 Richard Henderson <rth@cygnus.com>
2404 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
2405 Add crtbeginS.o and crtendS.o.
2406 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
2407 (ENDFILE_SPEC): Use crtendS.o.
2408 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
2410 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
2411 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
2413 (__dso_handle): New variable.
2414 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
2415 bias to __CTOR_END__.
2417 2000-02-16 Richard Henderson <rth@cygnus.com>
2419 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
2421 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
2423 * longlong.h (__clz_tab): Declare as static to match definition.
2425 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
2426 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
2427 (XREF_FILE_NAME): Define.
2429 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
2430 (EH_FRAME_SECTION_ASM_OP): Define.
2431 (IDENT_ASM_OP): Define.
2432 (TEXT_SECTION_ASM_OP): Define.
2434 (CTORS_SECTION_ASM_OP): Define.
2435 (CTOR_SECTION_FUNCTION): Use it.
2436 (DTORS_SECTION_ASM_OP): Define.
2437 (DTOR_SECTION_FUNCTION): Use it.
2439 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
2441 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
2444 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
2445 debug_bb_n): New functions.
2446 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
2447 * basic-block.h: Prototype new functions.
2449 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
2451 * configure.in: Add support for avr target.
2452 * configure: Rebuilt.
2454 * invoke.texi: Add AVR invocation docs.
2455 * install.texi: Add information about AVR.
2456 * md.texi: Add AVR constraint letters description.
2457 * extend.texi: Add description for AVR specific attributes.
2459 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
2461 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
2463 2000-02-16 Nick Clifton <nickc@cygnus.com>
2465 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
2466 (make_insn_raw): Move RTL check here.
2468 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2470 * version.c: Include gansidecl.h and version.h.
2472 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
2474 * configure.in (gcc_version): When setting, narrow search to
2475 lines containing `version_string'.
2477 * Makefile.in (mainversion): Likewise.
2478 (GCC_H): New variable.
2479 (gcc.h): Delete target.
2480 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
2481 (version.o): Depend on version.h.
2482 (dbxout.o): Don't depend on gcc.h.
2484 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
2485 Michael Meissner <meissner@cygnus.com>
2487 * md.texi (Simple Constraints): Add item about whitespace.
2488 * genoutput.c (strip_whitespace): New.
2489 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
2490 strip_whitespace for constraints.
2491 Test pointer using NULL, not 0.
2493 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2495 * cpplib.c (do_line): Pedwarn for #line > 32767.
2497 * c-lex.c (readescape): Warn about '\x', but do not reject it.
2499 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
2501 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
2502 to default cpp spec.
2503 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
2504 * cpp.texi: Document __GNUC_PATCHLEVEL__.
2507 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
2510 2000-02-15 Denis Chertykov <denisc@overta.ru>
2512 * configure.in: Add support for avr target.
2514 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2516 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
2517 (sh_addr_diff_vec_mode): Don't declare.
2518 * sh.c (sh_addr_diff_vec_mode): Delete.
2520 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2522 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
2524 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2526 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
2527 (smulsi3_highpart_i): Name.
2528 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
2529 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
2530 (smulsi3_highpart, umulsi3_highpart): Likewise.
2532 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
2533 correctly independent of endianness.
2534 (mulsidi3, umulsidi3): Now define_insn. Hide details that
2535 confuse the optimizers.
2536 (mulsidi3+1, umulsidi3+1): New define_split.
2538 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
2540 * config/sh/sh.md: Guard insn splits against illegal registers.
2541 * config/sh/sh.h: Correct comment about macros.
2543 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2544 Andrew MacLeod <amacleod@cygnus.com>
2546 * Makefile.in (lcm.o): Depend on insn-attr.h.
2547 * basic-block.h (optimize_mode_switching): Declare.
2548 * lcm.c (tm_p.h, insn-attr.h): #include.
2549 (seginfo, bb_info): New structs.
2550 (antic, transp, comp, delete, insert) : New file-scope static variables.
2551 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
2552 (reg_becomes_live, optimize_mode_switching): Likewise.
2553 * tm.texi: Add description of mode switching macros.
2554 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
2556 * sh-protos.h (remove_dead_before_cse): Remove prototype.
2557 (fldi_ok, fpscr_set_from_mem): New prototypes.
2558 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
2559 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
2560 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2561 (sh_flag_remove_dead_before_cse): Remove declaration.
2562 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
2563 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
2564 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
2565 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2566 (barrier_align): Allow for JUMP_INSNS containing a parallel.
2567 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
2568 (fldi_ok): New function.
2569 (get_fpscr_rtx): Add fpscr_rtx as GC root.
2570 (emit_sf_insn): Only generate fpu switches when optimize < 1.
2571 (emit_df_insn): Likewise.
2572 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
2573 (sh_flag_remove_dead_before_cse): Delete.
2574 (get_free_reg, fpscr_set_from_mem): New functions.
2575 * sh.md (movdf, movsf): Remove no_new_pseudos code.
2576 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
2578 2000-02-15 Loren Rittle <ljrittle@acm.org>
2580 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
2582 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2584 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
2585 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
2587 * cccp.c: Include version.h and/or don't declare `version_string'.
2588 * collect2.c: Likewise.
2589 * alpha.c: Likewise.
2590 * arm/aof.h: Likewise.
2591 * arm/coff.h: Likewise.
2592 * arm/elf.h: Likewise.
2593 * arm/pe.h: Likewise.
2594 * arm/tcoff.h: Likewise.
2595 * arm/telf.h: Likewise.
2596 * arm/tpe.h: Likewise.
2597 * arm/vxarm.h: Likewise.
2598 * convex/convex.c: Likewise.
2599 * i386/dgux.c: Likewise.
2600 * i386/sun386.h: Likewise.
2601 * m88k/m88k.c: Likewise.
2602 * mcore/mcore-pe.h: Likewise.
2603 * mips/mips.h: Likewise.
2604 * romp/romp.h: Likewise.
2605 * sh/sh.c: Likewise.
2606 * cpphash.c: Likewise.
2607 * cppinit.c: Likewise.
2608 * dwarf2out.c: Likewise.
2609 * dwarfout.c: Likewise.
2612 * mips-tfile.c: Likewise.
2613 * protoize.c: Likewise.
2614 * toplev.c: Likewise.
2617 * version.c (version_string): Constify a char*.
2619 * version.h: New file.
2621 2000-02-14 Nick Clifton <nickc@cygnus.com>
2623 * configure.in: Add mcore-elf and mcore-pe targets.
2624 * configure: Regenerate.
2626 * NEWS: Add note that MCore port has been contributed.
2628 * invoke.texi: Document command line switches for MCore port.
2629 * install.texi: Add MCore to list of supported targets.
2631 2000-02-14 Geoff Keating <geoffk@cygnus.com>
2633 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
2634 then we will need to import the frame handling functions.
2635 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
2636 to import the frames themselves.
2638 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
2639 Jason Eckhardt <jle@cygnus.com>
2641 * basic_block.h: Added prototype for reorder_basic_blocks.
2642 * toplev.c: Changes to add -freorder-blocks and graph dump after
2643 block reordering is done.
2644 * flow.c (reorder_block_def): New structure for use during block
2646 (REORDER_BLOCK_*): New macros to access members of above structure.
2647 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
2648 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
2649 functions for block reordering.
2651 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
2653 * gcc.texi (Passes): Fix typo.
2654 * md.texi (Standard Names): Ditto.
2655 * tm.texi (Storage Layout): Ditto.
2657 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
2659 * cpplib.c (do_define): Only free the old definition if it
2662 2000-02-13 Neil Booth <NeilB@earthling.net>
2664 * cppfiles.c (read_and_prescan): When emitting deferred
2665 newlines, test speccase[] again instead of checking each
2666 possible whitespace character in turn. When we encounter \r,
2667 look behind for \n first, then ahead.
2669 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
2671 * cse.c (cse_altered): New internal flag.
2672 (cse_insn): Set it if we changed an insn.
2673 (cse_main): Clear cse_altered before each basic block.
2674 Only garbage collect if cse_altered is true afterward.
2676 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2678 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
2680 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
2682 * combine.c (simplify_comparison): Fix typo.
2684 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
2686 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
2689 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2691 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
2692 previously inserted node instead of root node. Caller changed.
2694 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2696 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
2698 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2700 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
2701 __dereg_frame_dtor): Add prototype argument.
2703 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
2705 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
2707 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
2709 * gthr-vxworks.h (__gthread_once): Likewise.
2711 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
2713 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
2715 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
2716 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
2717 stack pointer in functions w/o saved registers, output LEAVE more often
2718 on TARGET_USE_LEAVE machines.
2720 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
2722 * config/arm/arm.c (arm_init_cumulative_args); New function:
2723 Initlaise the CUMULATIE_ARGS strcuture for a function
2725 (arm_function_arg): New function: Determine where to place a
2726 function's argument. Also handles deciding the function's
2728 (current_file_function_operand): New function: Return true if
2729 the symbol is a function which has already been compiled.
2730 (arm_is_long_call_p): New function: Return true if the
2731 indicated function should be called via a long call.
2732 (arm_valid_type_attribute_p): New function: Return true if the
2733 attribute is a valid, arm specific, attribute.
2734 (arm_comp_type_attribute): New function: Return true if the
2735 two types have compatable, arm specific, attributes.
2737 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
2739 (FUNCTION_ARG): Redefine to call arm_function_arg.
2740 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
2742 (INIT_CUMULATIVE_ARGS): Redefine to call
2743 arm_init_cumulative_args.
2744 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
2746 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
2748 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
2750 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
2751 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
2752 (COMP_TYPE_ATTRIBUTES): Define.
2754 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
2755 if a long call is needed.
2756 (call_value): Call arm_is_long_call_p to decide if a long call
2758 (call_symbol): Call arm_is_long_call_p to decide if a long call
2761 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
2763 2000-02-11 Denis Chertykov <denisc@overta.ru>
2765 * README.AVR: New file with information about the avr ports.
2766 * config/avr: New directory with avr port files.
2768 2000-02-11 Andreas Jaeger <aj@suse.de>
2770 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
2772 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
2774 * cpphash.c: Fix formatting, update commentary.
2775 (dump_definition): Take three separate arguments instead of a
2776 MACRODEF structure argument.
2777 * cpphash.h: Update prototype of dump_definition.
2778 * cppinit.c (cpp_finish): Update call of dump_definition.
2780 * cpplib.c (do_define): Always create new hash entry with
2781 T_MACRO type. Remove redundant check for redefinition of
2782 poisoned identifier. Update call of dump_definition.
2783 (do_undef): Don't call check_macro_name. Rename sym_length to
2785 (do_error, do_warning): Don't use copy_rest_of_line or
2787 (do_warning): Don't use pedwarn for the actual warning,
2788 only the notice about its not being in the standard. (Fixes
2789 bug with #warning in system headers.)
2790 (do_ident): Stricter argument checking - accept only a single
2791 string after #ident. Also, macro-expand the line.
2792 (do_xifdef): Use cpp_defined. De-obfuscate.
2794 (do_pragma): Split out specific pragma handling to separate
2795 functions. Use get_directive_token. Update commentary. Do
2796 not pass on #pragma once or #pragma poison to the front end.
2797 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
2798 do_pragma_default): New.
2800 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
2802 * jump.c (jump_optimize_1): The first operand in a relational
2804 * optabs.c (emit_conditional_move): Handle relationals which
2805 have a known true/false result.
2807 2000-02-11 Geoff Keating <geoffk@cygnus.com>
2809 * function.c (thread_prologue_and_epilogue_insns): Don't insert
2810 a RETURN insn into a block which already ends with a jump.
2812 2000-02-11 Geoff Keating <geoffk@cygnus.com>
2814 * haifa-sched.c (BUF_LEN): Increase a lot.
2816 2000-02-11 Nick Clifton <nickc@cygnus.com>
2818 * configure.in: Add tm_p_file specification for thumb targets.
2819 * configure: Regenerate.
2821 * config/arm/thumb-protos.h: New file: Prototypes for exported
2822 functions defined in thumb.c.
2824 2000-02-11 Robert Lipe <robertl@sco.com>
2826 * Makefile.in (bootstrap-lean): Remove additional files.
2827 (bootstrap2-lean): Likewise.
2828 (VOL_FILES): List of files for above.
2830 2000-02-11 Nathan Sidwell <nathan@acm.org>
2832 * cpphash.c (special_symbol): Remove spurious argument to
2835 2000-02-11 Joel Sherrill (joel@OARcorp.com>
2837 * configure.in: (i*86-*-rtems*): Swapped elf and coff
2839 * configure: Rebuilt.
2841 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
2843 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
2845 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
2847 * pa.c, pa.h: Remove trigraph sequences within comments.
2849 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
2851 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
2853 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
2855 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
2857 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2859 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
2861 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2863 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
2864 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
2865 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
2866 (ASM_FILE_END): Use c4x_file_end.
2867 * config/c4x/c4x.c (c4x_global_label): New function.
2868 (c4x_external_ref, c4x_file_end): Likewise.
2870 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
2871 (c4x_external_ref, c4x_end_file): Likewise.
2873 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
2875 * cppexp.c: Don't include cpphash.h.
2876 (parse_charconst, cpp_lex): Use cpp_defined.
2877 (cpp_lex): Use get_directive_token throughout. Remove
2878 unnecessary cases from switch. Move assertion-handling code
2880 (cpp_parse_expr): If we see '+' or '-', check the context to
2881 determine if they are unary or binary operators. Streamline
2882 the jumps a bit. Do not call skip_rest_of_line.
2884 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
2885 static. Export get_directive_token. Update commentary.
2886 (cpp_defined): New function.
2887 (do_define): Remove reference to T_PCSTRING. Call
2888 free_definition to release memory for old definition, when
2890 (eval_if_expression): Set only_seen_white to 0 before calling
2891 cpp_parse_expr. Call skip_rest_of_line after it returns.
2892 (cpp_read_check_assertion): Don't preserve a pointer into the
2893 token buffer across a call to cpp_get_token.
2895 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
2896 * cppfiles.c (redundant_include_p): Use cpp_defined.
2897 * cpphash.c (free_definition): New function.
2898 (delete_macro): Use it. Update commentary.
2899 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
2901 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
2902 from enum node_type. Prototype cpp_defined and get_directive_token.
2903 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
2905 * fix-header.c (check_macro_names): Use cpp_defined.
2906 (read_scan_file): Set inhibit_warnings and inhibit_errors in
2907 the options structure.
2909 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2911 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
2913 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
2915 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
2916 rather than die->die_tag.
2918 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2920 * combine.c (make_extraction, force_to_mode): Avoid warning on
2921 mixed-signedness conditionals.
2922 (make_field_assignment, nonzero_bits): Likewise.
2923 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
2924 (store_split_bit_field, extract_split_bit_field): Likewise.
2925 (extract_fixed_bit_field, store_bit_field,
2926 * expr.c: Change alignment to be unsigned everywhere.
2927 (move_by_pieces, store_constructor_field, store_constructor):
2928 Alignment parm is unsigned.
2929 (emit_block_move, emit_group_load, emit_group_store): Likewise.
2930 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
2931 (do_compare_rtx_and_jump): Likewise.
2932 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
2933 Compare align with GET_MODE_ALIGNMENT.
2934 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
2935 (get_inner_reference): Likewise.
2936 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
2937 (expand_assignment): Local vars for alignment now unsigned.
2938 (store_constructor, store_field, expand_expr, do_jump): Likewise.
2939 (do_compare_and_jump): Likewise.
2940 (store_field): Call new function expr_align.
2941 * expr.h (emit_block_move, emit_group_load, emit_group_store):
2942 Alignment arg now unsigned.
2943 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
2944 (do_compare_rtx_and_jump, store_bit_field): Likewise.
2945 (extract_bit_field): Likewise.
2946 * fold-const.c (add_double): Add cast to eliminate signedness warning.
2947 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
2948 (get_best_mode): Alignment arg is unsigned.
2949 * rtl.h (move_by_pieces): Likewise.
2950 * store-layout.c (maximum_field_alignment, set_alignment):
2952 (layout_decl): Alignment arg is now unsigned.
2953 Remove unneeded casts.
2954 (layout_record, layout_union, layout_type): Remove unneeded casts.
2955 Local alignment variables now unsigned.
2956 (get_best_mode): Alignment arg now unsigned.
2957 * tree.c (expr_align): New function.
2958 * tree.h (expr_align): Likewise.
2959 (maximum_field_alignment, set_alignment): Now unsigned.
2960 (get_inner_reference): Alignment argument is now pointer to unsigned.
2961 * varasm.c (assemble_variable): Add cast to eliminate warning.
2963 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
2965 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
2966 then store directly into op0.
2968 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
2969 the CALL_INSN, and emit the note immediately after it.
2971 2000-02-10 Nick Clifton <nickc@cygnus.com>
2973 * config/arm/thumb.md (epilogue): Include a (return) in the
2974 generated insn, and emit it using emit_jump_insn not
2977 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
2979 * function.c (assign_temp): Change zero-sized arrays to size 1.
2980 * integrate.c (expand_inline_function): Do not update
2981 stack_alignment_needed
2982 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
2983 add some sanity checking, remove optimization for function with
2986 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2988 * flow.c (mark_regs_live_at_end): Delete unused variables.
2990 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
2992 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
2993 in macro FRAME_GROWS_DOWNWARD.
2995 * stmt.c (expand_end_bindings): Delete unused variable.
2997 * unroll.c (iteration_info): Mark parameter `loop' with
3000 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3002 * fixinc/server.c (load_data): Return NULL if the marker line is
3004 (run_shell): If load_data returns NULL, retry the command once, in
3007 * configure: Rebuilt.
3009 2000-02-09 Bruce Korb <bkorb@gnu.org>
3011 * gcc/fixincludes: ** DELETED **
3012 * gcc/fixcpp: ** DELETED **
3013 * gcc/fixinc-nt.sed: ** DELETED **
3014 * gcc/just-fixinc: ** DELETED **
3015 * gcc/Makefile.in: Removed out-dated commentary
3016 * gcc/configure.in: Removed fast-fixincludes disablement.
3017 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
3019 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3020 * function.c (thread_prologue_and_epilogue_insns): Uncomment
3023 2000-02-09 Richard Henderson <rth@cygnus.com>
3025 * jump.c (delete_insn): Don't delete user labels at -O0.
3027 2000-02-09 Robert Lipe <robertl@sco.com>
3029 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
3030 Don't link with HOST_LIBS.
3032 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3034 * configure.in: Correct --help text for --with-dwarf2.
3035 Put tm-dwarf2.h after other tm files, if it's requested.
3036 * configure: Regenerate.
3037 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
3040 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3042 * cpplib.h: Provide HASHNODE typedef and forward decl of
3043 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
3044 DEFINITION, struct hashnode, struct macrodef, struct
3045 definition, scan_decls prototype, default defn of
3046 INCLUDE_LEN_FUDGE moved elsewhere.
3048 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
3049 definition, and struct hashnode moved here. Remove the unused
3050 'predefined' field from struct definition. Replace the 'args'
3051 union with its sole member. All users updated (cpphash.c).
3052 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
3053 multiple include guard.
3055 * cpphash.c (hashf): Make static; use better algorithm; drop
3056 HASHSIZE parameter; return an unsigned int.
3057 (cpp_lookup): Drop HASH parameter. PFILE parameter is
3058 used. Calculate HASHSIZE modulus here.
3059 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
3061 (create_definition): Drop PREDEFINITION parameter.
3062 * cpplib.c (do_define): Don't calculate a hash value here.
3063 Don't pass (keyword == NULL) to create_definition.
3065 * scan.h: Prototype scan_decls here.
3066 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
3067 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
3068 callers of cpp_lookup and cpp_install updated.
3070 * cpphash.c (macarg): Hoist all the flag diddling out of the
3072 (macroexpand): ... and out of the loop that calls macarg.
3073 Skip over the initial paren before macro arguments with
3074 cpp_get_non_space_token; point may be some distance before
3075 that paren. Abort if it's not there.
3077 * cpplib.c (parse_clear_mark): Delete function.
3078 (parse_set_mark, parse_goto_mark): Make static.
3079 (ACTIVE_MARK_P): New macro.
3080 (skip_block_comment, skip_line_comment): Do not bump the line
3081 if ACTIVE_MARK_P is true.
3082 (cpp_pop_buffer): The buffer to be popped may not have an
3084 (cpp_get_token): When looking for the initial paren before
3085 macro arguments, only set a mark in a file buffer, Always
3086 return to that mark before proceeding to call macroexpand or
3087 return a NAME token.
3089 * cpplib.h: Remove prototypes of parse_set_mark,
3090 parse_clear_mark, parse_goto_mark.
3091 (struct cpp_options): Rename 'put_out_comments' to
3092 'discard_comments' and invert its sense.
3093 * cppinit.c, cpphash.c, cpplib.c: All users of
3094 put_out_comments changed to use discard_comments, with
3097 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3099 * function.c (thread_prologue_and_epilogue_insns): Don't delete
3100 the edge from a block that both jumps and falls through to the
3103 2000-02-09 Scott Bambrough <scottb@netwinder.org>
3105 * config/arm/arm.md (movsi): In PIC mode, make sure that a
3106 constant source address is legitimate.
3108 2000-02-09 Philip Blundell <pb@futuretv.com>
3110 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
3113 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
3115 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
3117 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3119 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
3120 ends with a newline and a NUL. Don't be so clever manipulating
3123 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
3125 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
3126 not to BIGGEST_ALIGNMENT.
3128 2000-02-08 Geoff Keating <geoffk@cygnus.com>
3130 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
3131 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
3132 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
3133 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
3134 * frame.c (execute_cfa_insn): Handle
3135 DW_CFA_GNU_negative_offset_extended.
3137 2000-02-08 Richard Henderson <rth@cygnus.com>
3139 * flow.c (tidy_fallthru_edges): Split out from ...
3140 (delete_unreachable_blocks): ... here.
3141 (find_basic_blocks): Use it.
3143 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3145 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
3147 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
3149 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
3150 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
3151 (fix-header.o): Don't depend on cpphash.h.
3153 * scan.c (hashstr): New function.
3154 * scan.h: Prototype it.
3155 * fix-header.c: Don't include cpphash.h. Use hashstr.
3156 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
3157 hashstr. Report hash table statistics. Add private
3158 definition of xrealloc.
3160 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3162 * i386.h (TARGET_SWITCHES): Fix typo in option name.
3164 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
3166 * function.c (thread_prologue_and_epilogue_insns): Don't replace
3167 jumps with returns unless they are jumps to the fallthru block.
3169 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
3171 * i386.md (addqi3_cc): Fix contraints.
3173 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3175 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
3177 2000-02-07 Mark Mitchell <mark@codesourcery.com>
3179 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
3180 carriage return after a macro name.
3182 2000-02-07 Fred Fish <fnf@be.com>
3184 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
3185 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
3187 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
3189 * cppfiles.c (deps_output): Count spacers in deps_column.
3191 2000-02-07 Neil Booth <NeilB@earthling.net>
3193 * cppinit.c (initialize_dependency_output): If there is no
3194 suffix, don't try to look for known suffixes. Use strrchr.
3195 (cpp_start_read): Remove duplicate initialization.
3197 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
3199 * calls.c (compute_argument_block_size): New argument
3200 preferred_stack_boundary.
3201 (expand_call): update cfun->preferred_stack_boundary, update call of
3202 compute_argument_block_size
3203 (emit_library_call): Increate cfun->preferred_stack_boundary
3204 to PREFERRED_STACK_BOUNDARY
3205 (emit_library_call_value): Likewise.
3206 * explow.c (allocate_dynamic_stack_spave): Likewise.
3207 * function.c (prepare_function_start): Set
3208 cfun->preferred_stack_boundary
3209 * function.h (struct function): Add preferred_stack_boundary field.
3210 * integrate.c (expand_inline_function): Update
3211 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
3212 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
3213 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
3215 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
3217 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
3218 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
3219 cpp_pedwarn, cpp_pedwarn_with_line,
3220 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
3221 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
3222 v_cpp_error_with_line, v_cpp_warning_with_line,
3223 cpp_message_from_errno, cpp_perror_with_name): Delete.
3225 * cpperror.c (cpp_print_containing_files): Take starting
3227 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
3228 (v_cpp_message): Now called directly by all entry points.
3230 (cpp_pfatal_with_name, cpp_message): Delete.
3231 (cpp_notice_from_errno, cpp_ice): New functions.
3232 (cpp_notice): Is now for reporting error conditions, just
3233 without an associated file.
3234 (cpp_error, cpp_error_with_line): Don't do anything if
3235 opts->inhibit_errors is on.
3236 (cpp_pedwarn_with_file_and_line): Take column argument also.
3238 * cpplib.h: Update prototypes of exported functions.
3239 (struct cpp_options): Add inhibit_errors.
3241 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
3242 non-error messages. Include intl.h.
3244 * cppinit.c, cppmain.c: Likewise. Also, use
3245 cpp_notice_from_errno instead of cpp_perror_with_name or
3246 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
3248 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
3249 report internal errors.
3251 * cpplib.c (do_define): Switch bcopy to memcpy.
3252 Give cpp_pedwarn_with_file_and_line a dummy column argument.
3254 * cpplib.c (copy_rest_of_line): Revert previous change: don't
3255 bail out early if we hit a line comment.
3257 2000-02-06 Richard Henderson <rth@cygnus.com>
3259 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
3260 * basic-block.h: Declare them.
3261 * emit-rtl.h (active_insn_p): New.
3262 (next_active_insn, prev_active_insn): Use it.
3263 * rtl.h: Declare it.
3264 * function.c (emit_return_into_block): New.
3265 (thread_prologue_and_epilogue_insns): Insert return insns instead
3266 of epilogues when possible.
3267 * jump.c (jump_optimize_1): Remove code to insert a return insn
3268 on the fallthru to the exit block.
3270 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
3271 and for non-empty stack frames.
3272 * i386.md (return): Expand to return-pop as needed.
3274 2000-02-06 Richard Henderson <rth@cygnus.com>
3276 * simplify-rtx.c (simplify_relational_operation): Canonicalize
3277 constant to op1 for testing.
3279 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3281 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
3282 (fixuns_truncqfqi2): Use it.
3284 2000-02-06 Richard Henderson <rth@cygnus.com>
3286 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
3289 * i386.md (widening and peepholes): Mask the constant instead of
3292 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3294 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
3295 input pointer before possibly branching off to the backslash
3297 * cpphash.c (macroexpand): Correctly delete \r escapes when
3298 stringifying parameters.
3299 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
3300 if we can; bail out early if we hit a line comment.
3301 (handle_directive): Treat '# 123' in an .S file just like
3302 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
3303 Return 1 for '# not_a_directive'.
3304 (get_directive_token): Pop macro buffers here, so that
3305 cpp_get_token can't sneakily move past a newline.
3307 (cpp_get_token): goto randomchar if handle_directive returns 0.
3309 * cppalloc.c: Update copyright.
3310 * cpplib.c: Merge all the static function prototypes into one
3312 * cpplib.h: Remove #if 0 block.
3314 * cpperror.c: Remove #ifdef EMACS block.
3315 * cppmain.c: Likewise.
3316 * cpphash.c: Remove #if 0 blocks.
3317 * cppinit.c: Remove #if 0 blocks, and the -lint option.
3318 * cpplib.c: Remove #if 0 blocks and code referencing
3319 pcp_inside_if or for_lint. Remove duplicate error message.
3320 Fix error messages for #else after #else or #elif. Reformat.
3321 Remove archaic TODO list.
3322 * cpplib.h: Remove pcp_inside_if and for_lint flags.
3324 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3326 * i386/osf1elf.h: Add missing backslash to multiline string.
3328 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3330 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
3332 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3334 * Makefile.in (c-common.o): Depend on $(EXPR_H).
3336 * c-common.c: Include expr.h.
3338 * c-pragma.c (mark_align_stack): Add prototype.
3340 * caller-save.c (add_stored_regs): Likewise.
3342 * combine.c (record_promoted_value): Likewise.
3344 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
3347 * cppinit.c (new_pending_define): Likewise.
3349 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
3351 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
3352 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
3353 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
3354 class_scope_p): Likewise.
3356 * dwarf2out.h (dwarf2out_set_demangle_name_func,
3357 dwarf2out_add_library_unit_info): Likewise.
3359 * ggc.h (ggc_page_print_statistics): Likewise.
3361 * haifa-sched.c (propagate_deps): Likewise.
3363 * reg-stack.c (next_flags_user, record_label_references): Likewise.
3365 * rtl.h (set_stack_check_libfunc): Likewise.
3367 * toplev.h (set_fatal_function): Likewise.
3369 * toplev.c (set_fatal_function): Delete prototype.
3371 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
3373 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3375 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
3376 (FUNC_END): Likewise.
3378 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3380 * caller-save.c: Include tm_p.h.
3382 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3384 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
3386 2000-02-04 Neil Booth <NeilB@earthling.net>
3388 * cccp.c (main): Check 'dir' for a NULL pointer before passing
3391 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
3393 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
3394 * genflags.c: Use the max_operand_1 logic from genemit.c to
3395 calculate how many arguments gen_insn prototypes have. Remove
3396 NO_MD_PROTOTYPES ifdefs from the generated file.
3397 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
3398 file. Cast gen_insn initializers to insn_gen_fn.
3399 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
3400 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
3402 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3404 * fixinc/Makefile.in (HDR): Add machname.h.
3407 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3409 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
3410 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
3411 (c4x_cpu_version): Ditto.
3412 * config/c4x/c4x-protos.h: ... here.
3414 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
3416 * dwarf2out.c (add_abstract_origin_attribute): Don't call
3417 gen_abstract_function on our context if we're a nested function.
3419 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3421 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
3422 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
3424 2000-02-04 Bruce Korb <bkorb@gnu.org>
3426 * fixinc/genfixes(machname.h):
3427 Move the functionality from gen-machine.h into this file.
3428 UNdef MN_NAME_PAT if there are no names to change.
3429 Also, be a little kinder when AutoGen is not present.
3431 * fixinc/Makefile.in(machname.h):
3432 Change the generation rule to use genfixes.
3434 * fixinc/fixfixes.c(machine_name):
3435 machine_name_fix's functionality now dependent upon whether
3436 MN_NAME_PAT is defined.
3438 * fixinc/fixtests.c(machine_name):
3441 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
3444 * fixinc/fixlib.h(mn_get_regexps):
3447 * fixinc/gen-machine.h: DELETED
3449 2000-02-04 Jan Hubicka <jh@suse.cz>
3450 Richard Henderson <rth@cygnus.com>
3452 * i386.c (SAVE_REGS_FIRST): Remove.
3453 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
3454 (ix86_compute_frame_size): Likewise.
3455 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
3456 (ix86_emit_restore_regs): Remove.
3457 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
3458 when a frame pointer is in use.
3459 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
3460 instead of pop to restore a register when profitable; emit leave
3462 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
3464 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
3465 * i386.md (prologue_allocate_stack): Remove.
3466 (epilogue_deallocate_stack): Remove.
3467 (pro_epilogue_adjust_stack): New.
3469 2000-02-04 Richard Henderson <rth@cygnus.com>
3471 * function.c (diddle_return_value): Rework to use a callback function.
3472 Use current_function_return_rtx if it's been set up.
3473 (do_clobber_return_reg, clobber_return_register): New.
3474 (do_use_return_reg, use_return_register): New.
3475 (expand_function_end): Use them.
3476 * stmt.c (expand_null_return): Likewise.
3477 * function.h: Declare them.
3478 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
3479 (mark_reg): Change arguments as appropriate for callback.
3480 * integrate.c (expand_inline_function): Revert 19 Jan change.
3482 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
3484 * tm.texi (Values in Registers): Fix typo: "fo" "for".
3485 (Misc): Say the scheduler, not the Haifa scheduler.
3487 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
3489 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
3490 when in_mem is set. Update all callers.
3492 2000-02-04 Richard Henderson <rth@cygnus.com>
3494 * i386/openbsd.h (INT_ASM_OP): Define.
3496 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
3498 * tm.texi: Fix various typos.
3500 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
3502 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
3503 (MD_STARTFILE_PREFIX_1): New macro.
3505 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
3507 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
3508 destination when needed.
3509 (strmovsi, strsetsi): New expander.
3510 (strmovsi_1, strsetsi_1): New pattern.
3511 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
3512 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
3513 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
3514 * invoke.texi (align-stringops, inline-all-stringops): Document.
3516 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
3518 * i386/netbsd.h (INT_ASM_OP): Define.
3520 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
3522 * cpplib.h (cpp_reader): Add new flag, no_directives.
3523 * cpphash.c (macarg): Set it.
3524 * cpplib.c (handle_directive): If no_directives is on and we
3525 find a directive, issue an error and discard the line.
3527 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
3529 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
3530 FP constants. Add ! TARGET_FPU check for FP constants.
3532 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
3534 * flow.c (find_basic_blocks): Don't kill label_value_list
3536 (cleanup_cfg): Kill it here.
3538 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3540 * expr.c (store_field): Ensure ALIGN is no stricter than the
3543 2000-02-02 Richard Henderson <rth@cygnus.com>
3545 * jump.c (delete_insn): Partially revert 19 Jan change;
3546 don't convert unused code labels to notes at -O0.
3548 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3550 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
3551 split_all_insns to recreate REG_LABEL notes for flow2 pass.
3553 2000-02-01 Richard Henderson <rth@cygnus.com>
3555 * i386.c (general_no_elim_operand): New.
3556 (nonmemory_no_elim_operand): New.
3557 (ix86_expand_move): Copy eliminable operands before a push.
3558 * i386-protos.h: Declare new functions.
3559 * i386.h (CAN_ELIMINATE): Simplify.
3560 (PREDICATE_CODES): Update.
3561 * i386.md (push insns): Don't allow eliminable register operands.
3563 2000-02-01 Richard Henderson <rth@cygnus.com>
3565 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
3566 replace BLKmode with DECL_RTL's mode.
3568 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
3570 * frame.c (find_fde): Convert for loop to do-while so compiler
3571 sees it's always executed at least once.
3572 * libgcc2.c (BBINBUFSIZE): Kill.
3573 (__bb_init_prg): Use fgets.
3574 (__bb_exit_trace_func): Don't paste strings.
3575 * unroll.c (unroll_loop): Initialize unroll_type, not
3576 unroll_number, and tweak logic to match.
3578 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
3580 (ix86_flags_dependant): Likewise. Disentangle control flow.
3581 (ix86_sched_reorder): Break guts out to
3582 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
3583 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
3586 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
3587 use string concatenation. Don't save and restore esi.
3589 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
3590 (machname.h): Remove script to separate file. Use two-step
3591 sequence so target is not created if script fails.
3592 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
3593 identifiers are defined.
3594 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
3595 an empty string, machine_name doesn't need to do anything at
3597 (is_cxx_header): Add more cases to regexp.
3598 * fixinc/fixlib.h: Update prototype.
3599 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
3601 * fixinc/fixincl.c: Define NO_BOGOSITY.
3603 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
3604 (hp_sysfile): Add missing comma.
3605 (math_exception): Put the wrapper ifdefs at the beginning and
3606 the end of the file.
3607 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
3609 2000-02-01 Richard Henderson <rth@cygnus.com>
3611 * sparc.c (fp_zero_operand): Turn into a normal predicate.
3612 Use CONST0_RTX. Update all callers.
3613 * sparc.h, sparc-protos.h: Update accordingly.
3614 * sparc.md (fp mov insns): Use fp_zero_operand directly
3617 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3619 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
3622 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3624 * Makefile.in (specs.ready): New target.
3625 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
3627 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3629 * fixinc.irix: Use unique filenames for writing into /tmp,
3630 * fixinc.ptx: Likewise.
3631 * fixinc.sco: Likewise.
3632 * fixinc.svr4: Likewise.
3633 * fixinc.winnt: Likewise.
3635 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3637 * tsystem.h: New file.
3639 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
3640 s-crtS): Depend on tsystem.h.
3642 * crtstuff.c: Include tsystem.h.
3643 * frame.c: Likewise.
3644 * libgcc2.c: Likewise.
3646 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
3648 * builtins.c (expand_builtin_memset): Expand for variable sized
3651 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
3653 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
3656 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3658 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
3660 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
3662 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
3664 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
3665 case 3->2 combining (combining with splitting) in which 2 is CC0
3666 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
3667 checked at the begining of the function with the aid of calling
3668 function 'can_combine_p'.
3670 2000-01-31 Dave Brolley <brolley@redhat.com>
3672 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
3674 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
3676 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
3679 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3681 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
3683 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
3686 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
3688 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
3689 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
3690 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
3691 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
3692 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
3693 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
3694 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
3695 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
3696 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
3697 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
3699 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
3700 Add %(cpp_cpu) to CPP_SPEC.
3702 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
3703 Add %(cc1_cpu) to CC1_SPEC.
3705 2000-01-28 Ulrich Drepper <drepper@redhat.com>
3707 * c-decl.c (c_decode_option): Accept optional numeric argument to
3708 -Wformat and set warn_format.
3709 * c-common.c: Don't emit warning about non-constant printf format
3710 string unless warn_format > 1.
3712 2000-01-30 Richard Henderson <rth@cygnus.com>
3714 * alpha.md (return_internal): Allow after reload only.
3716 2000-01-30 Richard Henderson <rth@cygnus.com>
3718 * i386.c (ix86_compute_frame_size): Omit padding1 if the
3719 local frame size is zero.
3721 2000-01-30 Richard Henderson <rth@cygnus.com>
3723 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
3724 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
3725 * alpha.md (return): Turn into an expander.
3726 (return_internal): Don't use $26.
3727 (epilogue): Emit the return insn.
3729 2000-01-30 Richard Henderson <rth@cygnus.com>
3731 * alpha.md (negtf2, abstf2): Fix word order thinko.
3733 (trunctfsf2): Avoid intermediate rounding errors.
3735 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
3737 * cppfiles.c (find_position): Drop 'colp' argument, return the
3739 (read_and_prescan): Adjust to match. Don't ever manipulate
3740 line or line_base except via find_position.
3742 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
3744 * c-parse.in: Apply Ulrich's changes from c-parse.y.
3745 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
3748 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
3750 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
3751 just print "<command line>". If 'filename' is null or an
3752 empty string, print "<stdin>" for the filename.
3753 * cpplib.c (do_define): Don't print the 'location of the
3754 previous definition' message if we're still parsing the
3756 (cpp_pedwarn_with_file_and_line): Always call
3757 cpp_file_line_for_message.
3759 2000-01-29 Mark Mitchell <mark@codesourcery.com>
3761 * flow.c (mark_regs_live_at_end): Fix typo.
3763 2000-01-28 Ulrich Drepper <drepper@redhat.com>
3765 * c-common.c: Adjust variable names, comments, help strings to c99.
3766 * c-lex.c: Likewise.
3767 * c-parse.y: Likewise.
3768 * c-tree.h: Likewise.
3770 * cpplib.h: Likewise.
3771 * c-decl.c: Likewise. Recognize options with names "*99" as well.
3772 * cppinit.c: Likewise.
3774 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3776 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
3777 * c4x.c: Define the optab rtx values.
3778 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
3779 (c4x_emit_libcall): Use new optab rtx values.
3780 (c4x_emit_libcall3): Likewise.
3781 (c4x_emit_libcall_mulhi): Likewise.
3782 * c4x-protos.h: Add prototypes for optab rtx values and change
3783 prototypes for above c4x_emit_libcall functions.
3785 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3787 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
3789 (c4x_function_prologue): Use regnames intead of float_reg_names when
3791 (c4x_function_epilogue): Likewise.
3792 (c4x_print_operand): Likewise.
3793 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
3794 * c4x.md (set_high): Disable for TARGET_TI.
3796 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3798 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
3799 of framepointer + constant to ADDR_REGS class.
3800 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
3801 * c4x.c (std_or_reg_operand): New function.
3802 * c4x-protos.h (std_or_reg_operand): Prototype it.
3804 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3806 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
3807 object names as libgcc2.c.
3808 * libgcc.S: Use newly defined names.
3810 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
3811 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
3813 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
3814 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
3815 (FLOW_LOOP_LAST_BLOCK): Likewise.
3817 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3819 * basic-block.h (struct loop): New fields 'first' and 'last'.
3820 * flow.c (flow_loops_find): Compute loop->first and loop->last.
3821 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
3822 and loop->last to check for NOTE_INSN_LOOP_END.
3824 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
3826 * predict.c (estimate_probability): Use the new FIRST and LAST fields
3827 of the loop descriptor rather than HEADER and LATCH. Also added
3828 missing break statements as well making some coding style modifications
3829 as suggested by Michael Hayes.
3831 2000-01-28 Richard Henderson <rth@cygnus.com>
3833 * flow.c (find_basic_blocks): Remove do_cleanup argument.
3834 Break out that code ...
3835 (cleanup_cfg): ... here.
3836 (commit_one_edge_insertion): Detect a return instruction being
3837 emitted to an edge. Emit a barrier following; clear fallthru.
3838 (commit_edge_insertions): Verify CFG consistency.
3839 * function.c (expand_function_start): Kill unused variable.
3840 (expand_function_end): Likewise.
3841 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
3842 to insert the epilogue.
3844 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
3845 (delete_null_pointer_checks): Likewise.
3846 * output.h: Likewise.
3847 * reg-stack.c (reg_to_stack): Likewise.
3848 * toplev.c (rest_of_compilation): Likewise. Run
3849 thread_prologue_and_epilogue_insns after rebuilding the CFG.
3851 2000-01-28 Richard Henderson <rth@cygnus.com>
3853 * Makefile.in (flow.o): Revert 24 Jan change.
3854 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
3855 FUNCTION_VALUE result to DECL_RESULT's mode.
3857 * haifa-sched.c (schedule_insns): Don't recompute reg info
3860 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
3862 * configure.in: Make --enable-cpplib the default.
3863 * configure: Regenerate.
3864 * gcc.dg/990119-1.c: No longer expected to fail.
3866 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
3868 * jump.c (jump_optimize_1): Delete an optimization that is also done
3869 by merge_blocks in flow.
3871 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3873 * diagnostic.c (build_message_string, output_printf,
3874 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
3875 (build_location_prefix): Fix non-literal format string.
3877 2000-01-27 Richard Henderson <rth@cygnus.com>
3879 * alpha.md (trunctfsf2): New.
3881 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
3883 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
3885 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
3887 * cppinit.c (cpp_handle_option): Recognize C++ comments under
3889 * cpplib.c (skip_block_comment, skip_line_comment): Split code
3891 (skip_comment) ... here. Permit C++ comments in system
3892 headers always. Warn about C++ comments in user code under
3893 -std=gnu89 -pedantic.
3894 (copy_comment): Use skip_comment.
3895 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
3897 (consider_directive_while_skipping, do_else, do_endif): Call
3898 validate_else unconditionally.
3899 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
3900 text after the conditional in a system header.
3901 * cpplib.h (struct cpp_buffer): Add flag
3902 warned_cplusplus_comments.
3904 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
3906 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
3907 Use unshare_all_rtl_1.
3908 (unshare_all_rtl_again): New function.
3909 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
3911 * function.c (purge_addressof_1): Use unshare_all_rtl_again
3912 rather than resetting the 'used' flags ourself.
3914 * toplev.c (rest_of_compilation): Add current_function_decl
3915 to the unshare_all_rtl call.
3916 * tree.h: Prototype unshare_all_rtl.
3917 * rtl.h: Prototype unshare_all_rtl_again here.
3919 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
3921 * genoutput.c (output_prologue): Include ggc.h in generated
3923 * Makefile.in (insn-output.o): Depends on ggc.h.
3925 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
3926 Hans-Peter Nilsson <hp@bitrange.com>
3928 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
3929 Remove redundant include of xm-ns32k.h.
3930 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
3931 Remove redundant include of xm-ns32k.h.
3932 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
3933 Remove redundant include of xm-ns32k.h.
3934 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
3936 * ns32k/ns32k.h: Update comment on multiply-add instructions.
3937 (TARGET_SWITCHES): Add documentation strings.
3938 (DWARF_FRAME_REGNUM): Override default definition.
3939 (REG_CLASS_CONTENTS): Add comments.
3940 (SUBSET_P): Format to reduce line length.
3941 (SMALL_REGISTER_CLASSES): Make a run time option.
3942 (GO_IF_NONINDEXED_ADDRESS): Reformat.
3943 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
3944 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
3945 (regclass_map): fix typo in comment.
3946 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
3947 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
3948 (trace, reg_or_mem_operand): Delete, unused function.
3949 (calc_address_cost): Small offsets are cheaper than large ones.
3950 (expand_block_move): Generate more efficient code when bytes is a
3951 known at compile time.
3952 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
3953 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
3954 instead of reg_or_mem_operand.
3956 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
3957 not general_operand. Similarly use "=rm" or stricter, not "=g".
3958 For input operands, use stricter constraints than "g" if not
3959 general_operand. Similarly use stricter predicate than
3960 "general_operand" when stricter constraints than "g" are present,
3961 except for matching constraints.
3962 (movstrsi): Use "memory_operand" for operands 0 and 1.
3963 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
3964 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
3965 not reg_or_mem_operand.
3966 (udivmoddisi4): Ditto.
3967 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
3968 Use nonimmediate_operand for operand 3, not register_operand.
3969 (udivmoddiqi4_internal): Use register_operand for operand 1, not
3972 2000-01-27 Fred Fish <fnf@be.com>
3974 * gthr-posix.h: Fix typo; compatibily -> compatibility.
3975 * gthr-single.h: Likewise.
3976 * gthr-solaris.h: Likewise.
3977 * gthr-vxworks.h: Likewise.
3978 * gthr-win32.h: Likewise.
3981 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
3983 * cppinit.c: Add " (cpplib)" to end of string printed by
3986 2000-01-27 Richard Henderson <rth@cygnus.com>
3988 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
3989 testing for a signed comparison.
3990 (alpha_emit_floatuns): New.
3991 * alpha-protos.h: Declare it.
3992 * alpha.md (floatunsdisf2, floatunsdidf2): New.
3993 (extendsfdf2): Tidy.
3995 2000-01-27 Jakub Jelinek <jakub@redhat.com>
3997 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
3998 no -g option specifying debugging format, default to -gstabs+.
4000 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4002 * calls.c (special_function_p): New argument fork_or_exec.
4003 (expand_call): When profile_arc_flag is set and the function
4004 is in the fork_or_exec group, call __bb_fork_func first.
4005 * libgcc2.c, _bb module (__bb_fork_func): New function.
4006 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
4008 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
4009 * tree.h (special_function_p): Update prototype.
4011 2000-01-26 Richard Henderson <rth@cygnus.com>
4013 * alpha.c (alpha_split_tfmode_pair): New.
4014 * alpha-protos.h: Declare it.
4015 * alpha.md (abstf2, negtf2): New.
4016 (movtf insn): Add input G constraint.
4017 (movtf splitter): Use alpha_split_tfmode_pair.
4019 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4021 * i386/cygwin.h: PROTO -> PARAMS.
4023 2000-01-26 Jakub Jelinek <jakub@redhat.com>
4025 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
4026 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
4027 using _Qp_cmp/_Q_cmp and testing the return value.
4028 (print_operand): Call reverse_condition_maybe_unordered if
4029 we are handling CCFPmode or CCFPEmode.
4030 Handle ORDERED, UN* and LTGT comparisons.
4031 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
4032 if not TARGET_HARD_QUAD.
4033 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
4034 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
4035 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
4036 Adjust gen_b* calls so that they reflect return comparison of
4037 sparc_emit_float_lib_cmp.
4039 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4041 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
4042 incoming operands array is large enough for one more operand.
4043 (alpha_emit_xfloating_arith): Likewise.
4045 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4047 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
4048 file with one line and no trailing newline.
4049 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
4050 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
4051 checking if the match is on the line.
4052 * fixinc/gnu-regex.c: Provide regerror not __regerror.
4054 2000-01-25 Richard Henderson <rth@cygnus.com>
4056 * sparc.c (output_cbranch): Fix accidental squashing of the
4057 fp branch pre-delay nop.
4059 2000-01-25 Richard Henderson <rth@cygnus.com>
4061 * tree.def (UNNE_EXPR): Remove.
4062 * c-typeck.c (build_binary_op): Don't handle it.
4063 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
4065 * rtl.def (UNNE): Remove.
4067 * jump.c (reverse_condition): Update accordingly.
4068 (swap_condition): Likewise.
4069 (comparison_dominates_p): Handle unordered comparisons.
4070 (reverse_condition_maybe_unordered): New.
4071 * rtl.h (reverse_condition_maybe_unordered): Declare.
4073 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
4074 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
4075 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
4076 * sparc.md (bltgt): New.
4078 2000-01-25 Nick Clifton <nickc@redhat.com>
4080 * emit-rtl.c (emit_insn): Only check machine class insns for
4081 improper emission of a RETURN.
4083 2000-01-25 Richard Henderson <rth@cygnus.com>
4085 * Makefile.in (flow.o): Depend on $(EXPR_H).
4086 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
4087 duplicate the structure of diddle_return_value for keeping regs live.
4089 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4091 * loop.c (current_loop_info): Delete.
4092 (consec_sets_invariant_p): Add loop argument, update callers.
4093 (get_condition_for_loop): Likewise.
4094 (count_nonfixed_reads, update_giv_derive): Likewise.
4095 (simplify_giv_expr, general_induction_var): Likewise.
4096 (consec_sets_giv, recombine_givs): Likewise.
4097 (move_movables): Delete loop_start and loop_end arguments,
4098 add loop argument, and update callers.
4099 (find_mem_givs, check_final_value): Likewise.
4100 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
4101 (loop_invariant_p): Rename from invariant_p, add loop argument, and
4103 (basic_induction_var): Add loop argument, delete loop_level argument,
4105 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
4106 add loop argument, and update callers.
4107 (find_splittable_regs, find_splittable_givs): Likewise.
4108 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
4109 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
4110 (biv_total_increment): Delete loop_start and loop_end arguments;
4112 (precondition_loop_p): Delete loop_start and loop_info arguments;
4114 * loop.h (get_condition_for_loop): Add loop argument.
4115 (biv_total_increment): Delete loop_start and loop_end arguments.
4116 (precondition_loop_p): Delete loop_start and loop_info arguments;
4118 (final_biv_value): Delete loop_start and loop_end arguments;
4120 (final_giv_value, back_branch_in_range_p): Likewise.
4122 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4124 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
4126 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4128 * Makefile.in (c-gperf.h) : Change the "See" pointer to
4129 point to the new "generated_files" doc.
4131 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4133 * config/fp-bit.c (_unord_f2): Fix typo.
4135 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4137 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
4138 c-typeck.c, objc/objc-act.c: Remove all references to obstack
4139 functions obsoleted by GC, such as push_obstacks_nochange,
4140 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
4141 and code which existed only to decide whether or not to call
4142 them. Remove now-unused NESTED argument from start_function;
4143 all callers changed. Do not change behavior based on ggc_p.
4144 The use of the ixp_obstack in c-iterate.c and the util_obstack
4145 in objc/objc-act.c remain; these are not obsoleted by garbage
4147 * c-tree.h: Update prototype for start_function.
4149 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
4151 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4153 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
4156 2000-01-25 Richard Henderson <rth@cygnus.com>
4158 * sparc-protos.h (select_cc_mode): Declare.
4159 * sparc.c (select_cc_mode): New. Handle unordered compares.
4160 (output_cbranch): Always reverse via code change. Handle
4161 unordered compares. Factor tests and string updates.
4162 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
4163 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
4164 * sparc.md (bunordered, bordered): New.
4165 (bungt, bunlt, buneq, bunge, bunle): New.
4167 2000-01-25 Richard Henderson <rth@cygnus.com>
4169 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
4170 * ggc-common.c (ggc_add_rtx_varray_root): New.
4171 (ggc_mark_rtx_varray): New.
4172 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
4173 functions down below ggc_mark_foo.
4174 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
4176 2000-01-25 Richard Henderson <rth@cygnus.com>
4178 * alpha.c (secondary_reload_class): Don't allocate a secondary
4179 for integral mode memories into FLOAT_REGS. Rearrange the more
4180 complicated memory expression inward.
4182 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4184 * inclhack.def: Fixes to play nicer with FreeBSD, and
4185 corrections to comments.
4186 (cxx_unready): Add select expression.
4187 (irix_sockaddr): Add bypass expression.
4188 (machine_ansi_h_va_list): New fix.
4189 (stdio_va_list): No need to edit _BSD_VA_LIST_.
4190 Split out addition of "#include <stdarg.h>" to...
4191 (stdio_stdarg_h): ... here.
4192 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
4193 to stdlib.h also. Do not munge _BSD_SIZE_T_.
4194 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
4196 (ultrix_ifdef): Tighten up select expression.
4198 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
4199 re_ct and max_mach to avoid use of shell. Make printed names
4200 match names in inclhack.def. Use static copyright date.
4201 Don't count c_test and test expressions as requiring regex_t
4202 slots. Add some commentary.
4203 * inclhack.tpl: Do not include the 'This script contains N
4204 fixup scripts' line if PROGRAM is defined. Use static
4207 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
4209 * dwarf2out.c: include "varray.h", not dyn-string.h.
4210 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
4211 (addr_const_to_string, addr_to_string): Lose.
4212 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
4213 (struct dw_val_struct): val_addr is now an rtx.
4214 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
4215 (used_rtx_varray): New varray.
4216 (dwarf2out_init): Initialize it.
4218 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
4220 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
4221 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
4222 * Makefile.in (dwarf2out.o): Update dependencies.
4224 2000-01-24 Richard Henderson <rth@cygnus.com>
4226 * i386.c (i386_dwarf_output_addr_const): New.
4227 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
4229 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
4231 * dwarfout.c (output_mem_loc_descriptor): Likewise.
4232 * i386.c (i386_simplify_dwarf_addr): New.
4233 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
4235 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
4237 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
4238 TYPE_STUB_DECL is NULL.
4240 2000-01-24 Richard Henderson <rth@cygnus.com>
4242 * builtins.c (expand_tree_builtin): Move ...
4243 * c-common.c (expand_tree_builtin): ... here.
4245 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4247 * loop.h (LOOP_INFO): New accessor macro.
4248 * basic-block.h (struct loop): Rename field `info' to `aux'.
4249 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
4250 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
4251 * unroll.c (loop_iterations, unroll_loop): Likewise.
4253 2000-01-24 Christopher Faylor <cgf@cygnus.com>
4255 * config/i386/t-cygwin: Accomodate new winsup directory layout
4256 when searching for include files.
4258 2000-01-24 Richard Henderson <rth@cygnus.com>
4260 * rtl.def: Add unordered fp comparisions.
4261 * tree.def: Likewise.
4262 * tree.h: Add ISO C 9x unordered fp comparision builtins.
4264 * builtins.c (expand_tree_builtin): New function.
4265 * c-typeck.c (build_function_call): Use it.
4266 (build_binary_op): Support unordered compares.
4267 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
4269 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
4270 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
4271 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
4272 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
4273 * jump.c (reverse_condition): Don't abort for UNLE etc, but
4275 (swap_condition): Handle unordered compares.
4276 (thread_jumps): Check can_reverse before reversing.
4277 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
4280 * optabs.c (can_compare_p): New argument CODE. Verify branch or
4281 setcc is present before acking for cmp_optab. Update all callers.
4282 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
4283 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
4284 * expr.c (expand_expr): Likewise. Support unordered compares.
4285 (do_jump, do_store_flag): Likewise.
4286 * expr.h (enum libfunc_index): Add unordered compares.
4288 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
4289 (DPBIT_FUNCS): Add _unord_df.
4290 * config/fp-bit.c (_unord_f2): New.
4291 * fp-test.c (main): Try unordered compare builtins.
4293 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
4294 * alpha.c (alpha_comparison_operator): Check mode properly.
4295 (alpha_swapped_comparison_operator): Likewise.
4296 (signed_comparison_operator): Likewise.
4297 (alpha_fp_comparison_operator): New.
4298 (alpha_emit_conditional_branch): Handle unordered compares.
4299 * alpha.h (PREDICATE_CODES): Update.
4300 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
4301 (bunordered, bordered): New.
4303 2000-01-24 Richard Henderson <rth@cygnus.com>
4305 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
4306 * alpha.md (movtf): New expander, insn, and splitter.
4308 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
4310 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
4313 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
4315 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
4316 (FIXED_REGISTERS, CALL_USED_REGISTERS,
4317 REG_ALLOC_ORDER): Add frame pointer
4318 (FRAME_POINTER_REGNUM): Set to 20
4319 (HARD_FRAME_POINTER_REGNUM): New macro.
4320 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
4321 to HARD_FRAME_POINTER.
4322 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
4323 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
4324 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
4325 (HI_REGISTER_NAMES): Add "frame".
4326 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
4327 (debug_reg): Handle FRAME_POINTER_REGNUM.
4328 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
4329 GENERAL_REGS and INDEX_REGS.
4330 * i386.c (SAVED_REGS_FIRST): new macro.
4331 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
4332 (ix86_decompose_address, memory_address_length): Likewise.
4333 (regclass_map): Add frame pointer.
4334 (call_insn_operand): Handle frame_pointer_rtx.
4335 (reg_no_sp_operand): Likewise.
4336 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
4337 (print_operand, legitimize_pic_address): Fix formating.
4338 (ix86_compute_frame_size): Make static, update prototype, new
4339 parameters padding1, padding2, use ix86_nsaved_regs, use
4340 stack_alignment_needed.
4341 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
4342 to HARD_FRAME_POINTER_REGNUM conversions.
4343 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
4344 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
4345 (print_reg): Abort on FRAME_POINTER_REGNUM
4347 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
4349 * i386.h (PREDICATE_CODES): Add aligned_operand.
4350 * i386.c (aligned_operand): New function.
4351 (ix86_aligned_p): Kill.
4352 * i386.md (movhi_1): Emit mov for aligned operands.
4353 (promoting peep2s): Use aligned_operand.
4355 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
4357 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
4358 expression to allow underscores in macro names.
4359 (fix_char_macro_defines): Increment scanning pointer.
4361 2000-01-23 Richard Henderson <rth@cygnus.com>
4363 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
4364 * alpha/osf5.h: New file.
4365 * configure.in (alpha-*-osf5): Add it to tm_file.
4367 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
4369 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
4370 (alpha_emit_xfloating_cvt, function_arg): Declare.
4371 * alpha.c (alpha_emit_conditional_branch): Call
4372 alpha_emit_xfloating_compare for TFmode compares.
4373 (alpha_lookup_xfloating_lib_func): New.
4374 (alpha_compute_xfloating_mode_arg): New.
4375 (alpha_emit_xfloating_libcall): New.
4376 (alpha_emit_xfloating_arith): New.
4377 (alpha_emit_xfloating_compare): New.
4378 (alpha_emit_xfloating_cvt): New.
4379 (print_operand): Add default abort case.
4380 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
4381 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
4382 (BIGGEST_ALIGNMENT): Increase to 128 bits.
4383 (RETURN_IN_MEMORY): True for TF/TCmode.
4384 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
4385 (FUNCTION_ARG): Move to function_arg.
4386 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
4387 (ASM_OUTPUT_LONG_DOUBLE): New.
4388 (ASM_OUTPUT_DOUBLE): Always output bits.
4389 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
4390 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
4391 (extenddftf2, trunctfdf2): New.
4393 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4395 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
4396 * config/sparc/sol2.h: ... here.
4398 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4400 * basic-block.h (struct loops): New field `levels'.
4401 * flow.c (flow_loops_level_compute): Traverse all outer loops.
4402 (flow_loop_level_compute): Initialise level to 1.
4403 (flow_loops_find): Set loops->levels.
4404 (flow_loops_dump): Print loops->levels.
4406 2000-01-23 Richard Henderson <rth@cygnus.com>
4408 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
4409 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
4411 2000-01-23 Richard Henderson <rth@cygnus.com>
4413 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
4414 * i386.h (DBX_REGISTER_NUMBER): Use them.
4415 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
4416 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
4417 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
4418 * i386/sequent.h: Kill incorrect comment.
4420 2000-01-23 Mark Mitchell <mark@codesourcery.com>
4422 * ggc-page.c (struct page_entry): Make `context_depth' an
4424 (struct globals): Likewise.
4426 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
4428 * loop.c (check_dbra_loop): When checking a loop for
4429 reversability, check the source of any stores to ensure
4430 they don't depend on an initial value.
4432 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4434 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
4436 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
4438 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
4439 'pz_scan' into scope of entire function. Only affects
4440 compiles with -DDEBUG.
4442 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
4444 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
4445 section naming to that prior to 2000-01-07 patch.
4446 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
4447 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
4448 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
4449 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
4450 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
4452 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
4454 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
4457 2000-01-21 Jim Wilson <wilson@cygnus.com>
4459 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
4460 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
4462 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4464 * cpphash.c (change_newlines): Delete function.
4465 (struct argdata): Delete 'newlines' and 'use_count' fields.
4466 (macroexpand): Remove code referencing those fields.
4468 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4470 * loop.c (loops_info): New variable.
4471 (loop_optimize): Allocate loops->array and free it on exit.
4472 Allocate memory for loops_info and assign to each loop,
4474 (find_and_verify_loops): Do not allocate loops->array.
4476 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4478 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
4480 2000-01-21 Jakub Jelinek <jakub@redhat.com>
4482 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
4483 pseudos if expanded after first flow.
4484 (movdi_pic_label_ref): Likewise.
4486 2000-01-20 Richard Henderson <rth@cygnus.com>
4488 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
4490 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
4492 * Makefile.in (fixinc.sh): Depend on specs.
4493 * fixinc/Makefile.in: Add rule to create machname.h.
4494 (fixlib.o): Depend on machname.h.
4495 * fixinc/fixtests.c (machine_name): New test.
4496 * fixinc/fixfixes.c (machine_name): New fix.
4497 * fixinc/fixlib.c (mn_get_regexps): New helper function for
4498 the machine_name test and fix.
4499 * fixinc/fixlib.h: Prototype it.
4500 * fixinc/inclhack.def (machine_name): Use the C test and fix.
4501 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
4503 * gcc.c (do_spec_1) [case P]: Take care not to create
4504 identifiers with three leading or trailing underscores.
4506 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
4507 (fixincl): Don't specify libraries twice on link line.
4508 (gnu-regex.o): Remove special rule.
4509 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
4510 defined by config.h. Do not define _REGEX_RE_COMP.
4511 (regcomp): Allocate and initialize a fastmap.
4512 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
4514 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
4516 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
4518 2000-01-19 Richard Henderson <rth@cygnus.com>
4520 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
4521 arguments with BB. Update all callers. Tidy line wrapping.
4523 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
4525 * emit-rtl.c (try_split): Return last_insn if we split the
4528 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
4530 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
4531 (ix86_initial_elimination_offset): Declare.
4532 * i386.c (ix86_nsaved_regs): Break out from ...
4533 (ix86_can_use_return_insn_p): ... here.
4534 (ix86_emit_save_regs): Break out from ...
4535 (ix86_expand_prologue): ... here.
4536 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
4538 (ix86_expand_epilogue): ... here.
4539 (ix86_compute_frame_size): Make static, add prototype.
4540 (ix86_initial_elimination_offset): Break out from ...
4541 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
4543 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4545 * recog.h (OUT_FCN): Delete.
4547 * vax.md: Call `get_insn_template' instead of OUT_FCN.
4549 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4551 * cppalloc.c: PROTO -> PARAMS.
4552 * cpperror.c: Likewise.
4553 * cppfiles.c: Likewise.
4554 * cpplib.c: Likewise.
4555 * cpplib.h: Likewise.
4557 * config/arm/arm-protos.h: PROTO -> PARAMS.
4558 * config/arm/arm.c: Likewise.
4559 * config/c4x/c4x.c: Likewise.
4560 * config/fr30/fr30-protos.h: Likewise.
4561 * config/nextstep.c: Likewise.
4562 * config/pa/pa.c: Likewise.
4563 * config/pj/pj.c: Likewise.
4564 * config/rs6000/rs6000.c: Likewise.
4565 * config/v850/v850-protos.h: Likewise.
4566 * config/v850/v850.c: Likewise.
4568 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4570 * i370-protos.h: New file.
4572 * i370.c: Include tm_p.h. Fix compile time warnings.
4574 * i370.h: Move prototypes to i370-protos.h. Fix compile time
4577 * i370.md: Likewise.
4579 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4581 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
4582 (target_isinf, target_isnan, eisnan): Mark parameter with
4584 (eiisinf): Wrap in INFINITY.
4585 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
4586 (ibmtoe): Remove unused variable `rndsav'.
4588 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4590 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
4591 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
4593 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
4595 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
4596 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
4597 (fix_char_macro_defines, fix_char_macro_uses): New functions.
4599 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
4600 Recognize Emacs mode markers also.
4601 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
4602 C++ comments in C++ headers. Call is_cxx_header only if
4605 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
4607 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
4608 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
4609 ... these, which use the new C fixes.
4610 (math_exception): Escape literal '+' in bypass expression.
4612 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
4615 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4617 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
4620 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4622 * loop.c (loop_optimize): Allocate loop_info structure for each loop
4623 prior to calling scan_loop.
4625 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4627 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
4628 (split_branches, calc_live_regs): Likewise.
4630 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4632 * sh.md (fpu_single, fp_mode): New attributes.
4634 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4636 * loop.c (current_loop_info): Renamed from loop_info_data
4637 and changed to a pointer.
4638 (loop_optimize): Allocate loop_info structure for each loop
4639 and initialise to zero.
4640 (scan_loop): Set current_loop_info.
4642 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
4645 2000-01-19 Richard Henderson <rth@cygnus.com>
4647 * stupid.c: Die die die.
4648 * Makefile.in (OBJS): Remove stupid.o.
4649 (stupid.o): Likewise.
4651 * except.c (emit_eh_context): Don't emit USEs for stupid.
4652 * explow.c (probe_stack_range): Likewise.
4653 * flags.h (obey_regdecls): Remove.
4654 * flow.c (find_basic_blocks): Don't run try_merge_blocks
4655 when not optimizing.
4656 (life_analysis): Limit data collection when not optimizing.
4657 (mark_regs_live_at_end): Always mark the return value registers.
4658 (mark_used_regs): Remove dummy RETURN case.
4659 (print_rtl_with_bb): Don't consult obey_regdecls.
4660 * function.c (use_variable, use_variable_after): Remove.
4661 (assign_parms): Consult optimize not obey_regdecls.
4662 (expand_function_start): Don't emit USEs for stupid.
4663 (expand_function_end): Likewise.
4664 * global.c (build_insn_chain): Export.
4665 * integrate.c (expand_inline_function): Kill return-value USE
4667 * jump.c (jump_optimize_1): Do simple jump optimizations and
4668 dead code elimination.
4669 (calculate_can_reach_end): Remove check_deleted argument.
4670 (delete_insn): Patch out insns even when not optimizing.
4671 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
4672 * rtl.h (use_variable, use_variable_after): Remove declarations.
4673 (build_insn_chain): Declare.
4674 * stmt.c (expand_value_return): Don't emit USEs for stupid.
4675 (expand_end_bindings): Likewise.
4676 (expand_decl): Likewise. Consult optimize not obey_regdecls.
4677 * toplev.c (obey_regdecls): Remove.
4678 (rest_of_compilation): Don't set it. Kill stupid in favour of
4679 flow1, local-alloc, and reload.
4680 (main): Don't set obey_regdecls.
4682 * config/nextstep.c (handle_pragma): Likewise.
4684 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
4686 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
4688 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4690 * alpha-protos.h: PROTO -> PARAMS.
4691 * alpha.c: Likewise.
4693 * h8300.c: Likewise.
4694 * i386-protos.h: Likewise.
4696 * m32r-protos.h: Likewise.
4699 * mips.md: Likewise.
4700 * gmon-sol2.c: Likewise.
4701 * sparc.c: Likewise.
4703 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4705 * ns32k-protos.h: New file.
4707 * ns32k.c: Fix compile time warnings.
4709 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
4712 * ns32k.md: Likewise.
4714 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4716 * vax-protos.h: New file.
4718 * vax.c: Fix compile time warnings.
4720 * vax.h: Move prototypes to vax-protos.h. Fix compile time
4725 * vaxv.md: Likewise.
4727 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4729 * romp-protos.h: New file.
4731 * romp.c: Fix compile time warnings.
4733 * romp.h: Move prototypes to romp-protos.h. Fix compile time
4736 * romp.md: Likewise.
4738 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4740 * we32k-protos.h: New file.
4742 * we32k.c: Fix compile time warnings.
4744 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
4747 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4749 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
4751 * except.c (eh_regs): Likewise.
4753 * final.c (output_operand): Likewise.
4755 * fold-const.c (target_isinf, target_isnan): Likewise.
4757 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
4759 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
4760 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
4762 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
4764 (clrstrsi): Rewrite.
4765 (strsethi, strsetqi): New expanders.
4766 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
4767 (cmpstrsi): Emit compare insn before cmpstrsi_1
4768 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
4769 (strlensi_1): Likewise.
4770 (cmpstrsi_1): Likewise; do not output compare.
4771 (strlen expander): Do not unroll when optimizing for size.
4772 (*subsi3_carry): Rename to subsi3_carry
4773 (addqi3_cc): New pattern.
4774 * i386.h (processor_costs): Add move_ratio field.
4775 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
4776 * i386.c (*_cost): Set move_ratio.
4777 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
4778 (x86_expand_strlensi_1): Rewrite the main loop.
4780 2000-01-17 Richard Henderson <rth@cygnus.com>
4782 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
4783 * cse.c (find_comparison_args, fold_rtx): Likewise.
4784 * integrate.c (subst_constants): Likewise.
4785 * loop.c (get_condition): Likewise.
4787 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
4789 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
4791 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4793 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
4794 (RESTORE_WARN_FLAGS): Unpack it.
4795 Change semantic type of extension to ttype.
4796 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
4797 * c-parse.y, c-parse.c, objc/objc-parse.y,
4798 objc/objc-parse.c: Regenerate.
4800 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
4802 * fixinc/fixlib.c: Add copyright notice.
4803 (compile_re): New function.
4804 * fixinc/fixlib.h: Prototype compile_re.
4806 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
4807 Use compile_re to compile regular expressions.
4809 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
4810 where the pattern matched.
4812 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
4814 (ultrix_ansi_compat): Likewise.
4815 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
4817 (interactv_add2, interactv_add3): Delete.
4818 (x11_sprintf): Don't use filename glob.
4819 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
4822 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4824 * print-rtl.c: PROTO -> PARAMS.
4826 * reg-stack.c: Likewise.
4827 * resource.c: Likewise.
4828 * sdbout.h: Likewise.
4829 * simplify-rtx.c: Likewise.
4830 * stor-layout.c: Likewise.
4831 * stupid.c: Likewise.
4832 * xcoffout.c: Likewise.
4833 * xcoffout.h: Likewise.
4835 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4837 * toplev.c: PROTO -> PARAMS.
4838 * toplev.h: Likewise.
4841 * unroll.c: Likewise.
4842 * varasm.c: Likewise.
4843 * varray.c: Likewise.
4844 * varray.h: Likewise.
4846 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4848 * reload.c: PROTO -> PARAMS.
4849 * reload.h: Likewise.
4850 * reload1.c: Likewise.
4851 * reorg.c: Likewise.
4852 * resource.h: Likewise.
4855 * rtlanal.c: Likewise.
4856 * sbitmap.h: Likewise.
4857 * sdbout.c: Likewise.
4858 * stack.h: Likewise.
4860 * system.h: Likewise.
4862 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4864 * machmode.h: PROTO -> PARAMS.
4865 * mbchar.h: Likewise.
4866 * mips-tdump.c: Likewise.
4867 * mips-tfile.c: Likewise.
4868 * optabs.c: Likewise.
4869 * output.h: Likewise.
4870 * prefix.c: Likewise.
4871 * profile.c: Likewise.
4872 * protoize.c: Likewise.
4874 * recog.c: Likewise.
4875 * recog.h: Likewise.
4876 * regclass.c: Likewise.
4877 * regmove.c: Likewise.
4880 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4882 * ggc-common.c: PROTO -> PARAMS.
4883 * ggc-page.c: Likewise.
4884 * ggc-simple.c: Likewise.
4886 * global.c: Likewise.
4887 * graph.c: Likewise.
4888 * gthr-win32.h: Likewise.
4889 * haifa-sched.c: Likewise.
4890 * halfpic.h: Likewise.
4891 * integrate.c: Likewise.
4892 * integrate.h: Likewise.
4895 * local-alloc.c: Likewise.
4899 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4901 * genattr.c: PROTO -> PARAMS.
4902 * genattrtab.c: Likewise.
4903 * gencheck.c: Likewise.
4904 * gencodes.c: Likewise.
4905 * genconfig.c: Likewise.
4906 * genemit.c: Likewise.
4907 * genextract.c: Likewise.
4908 * genflags.c: Likewise.
4909 * gengenrtl.c: Likewise.
4910 * genopinit.c: Likewise.
4911 * genoutput.c: Likewise.
4912 * genpeep.c: Likewise.
4913 * genrecog.c: Likewise.
4915 2000-01-16 Mark Mitchell <mark@codesourcery.com>
4917 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
4919 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4921 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
4922 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
4923 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
4924 * configure, config.in: Rebuilt.
4926 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
4928 * config/i386/i386.md: Add peephole to merge successive stack
4931 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
4933 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
4934 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
4935 when walking backwards to find all the parameter loads when
4936 the basic block ends in a call.
4938 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4940 * loop.c (this_loop_info): Delete.
4941 (uid_loop): Add in place of uid_loop_num. All uses updated.
4942 (loop_number_exit_count): Delete and replace with entry in loop
4943 structure. All uses updated.
4944 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
4945 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
4946 (loop_outer_loop): Likewise.
4947 (loop_invalid, loop_number_exit_labels): Likewise.
4948 (loop_used_count_register): Delete and replace with entry in
4949 loop_info structure.
4950 (find_and_verify_loops): Add loops argument.
4951 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
4952 loop_end, etc. arguments with loop structure pointer. All callers
4954 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
4955 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
4956 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
4957 (insert_bct): Likewise.
4958 (basic_induction_var): New argument level.
4959 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
4960 vtop, and cont. Add used_count_register.
4961 (uid_loop): Delete declaration.
4962 (loop_number_exit_count): Likewise.
4963 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
4964 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
4965 (loop_outer_loop, loop_used_count_register): Likewise.
4966 (loop_invalid, loop_number_exit_labels): Likewise.
4967 (unroll_loop): Replace loop_start and loop_end arguments
4968 with loop structure pointer.
4969 (loop_precondition_p, loop_iterations): Likewise.
4970 Include basic-block.h.
4971 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
4972 with loop structure pointer.
4973 (loop_precondition_p, loop_iterations): Likewise.
4974 * basic-block.h (struct loop): New entries vtop, cont,
4975 cont_dominator, start, end, top, scan_start, exit_labels,
4977 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
4979 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4981 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
4983 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
4985 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
4987 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4989 * pdp11-protos.h: New file.
4991 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
4994 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
4997 * pdp11.md: Likewise.
5001 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5003 * mn10300-protos.h: New file.
5005 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
5008 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
5011 * mn10300.md: Likewise.
5013 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5015 * mn10200-protos.h: New file.
5017 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
5020 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
5023 * mn10200.md: Likewise.
5025 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5027 * h8300-protos.h: New file.
5029 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
5032 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
5035 * h8300.md: Likewise.
5037 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5039 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
5040 (asm_emit_uninitialised): Likewise.
5042 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
5044 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
5045 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
5047 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5049 * config/mips/mips.c (override_options): Don't turn on extra
5050 alignment for mips16.
5052 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5054 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
5055 eabi, and make sure queued POSTINCREMENT rtl is emitted at
5058 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5060 * builtins.c (PAD_VARARGS_DOWN): Define.
5061 (std_expand_builtin_va_arg): Use the above macro.
5062 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
5063 * tm.texi (Register Arguments): Document the above macro.
5065 2000-01-14 Nick Clifton <nickc@cygnus.com>
5067 * emit-rtl.c (emit_insn): If checking is enabled, make sure
5068 that this function has not been used to emit a jump
5071 * jump.c (return_jump_1): Cope with being passed a null rtx.
5073 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5075 * eh-common.h: PROTO -> PARAMS.
5076 * emit-rtl.c: Likewise.
5077 * errors.c: Likewise.
5078 * errors.h: Likewise.
5079 * except.c: Likewise.
5080 * except.h: Likewise.
5081 * explow.c: Likewise.
5082 * expmed.c: Likewise.
5085 * final.c: Likewise.
5086 * fix-header.c: Likewise.
5088 * fold-const.c: Likewise.
5089 * function.c: Likewise.
5090 * function.h: Likewise.
5092 * gcov-io.h: Likewise.
5096 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5098 * sh-protos.h: New file.
5100 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
5101 Add static prototypes. Fix compile time warnings.
5103 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
5107 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5109 * arc-protos.h: New file.
5111 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
5114 * arc.h: Move prototypes to arc-protos.h. Fix compile time
5119 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5121 * dsp16xx-protos.h: New file.
5123 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
5126 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
5129 * dsp16xx.md: Likewise.
5131 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5133 * convex-protos.h: New file.
5135 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
5138 * convex.h: Move prototypes to convex-protos.h. Fix compile time
5141 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5143 * elxsi-protos.h: New file.
5145 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
5148 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
5151 * elxsi.md: Likewise.
5153 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5155 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
5156 case for moving from HI/LO/HI_LO_REG. This makes the behavior
5157 match the comment for MIPS16.
5159 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
5161 * flow.c (split_edge): Do not call set_block_for_insn if we
5162 do not have a basic_block_for_insn structure.
5164 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
5165 and destination functions are 32bit aligned within the trampoline.
5166 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
5167 (TRAMPOLINE_ALIGNMENT): Define.
5169 * cse.c (cse_insn): When changing (set (pc) (reg)) to
5170 (set (pc) (label_ref)), verify the change creates a valid insn.
5172 * fr30.c (call_operand): Tighten and rework to match rules for
5173 call RTL expressions.
5174 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
5175 * fr30.md (call patterns): Improve constraints.
5177 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
5179 * fr30.c (fr30_expand_epilogue): Revert last change.
5180 Use emit_jump_insn for the return insn.
5182 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
5183 Stan Cox <scox@cygnus.com>
5185 * predict.c: New file. Preliminary infrastructure work for static
5186 branch prediction and basic block reordering.
5187 * basic-block.h: Add prototype for estimate_probability.
5188 * Makefile.in: Add rules for predict.o.
5190 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
5192 * fixincludes (va_list): Use __not_va_list__ for the dummy.
5193 * fixinc/*: Likewise.
5195 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5197 * cccp.c: PROTO -> PARAMS.
5199 * collect2.c: Likewise.
5200 * combine.c: Likewise.
5201 * convert.h: Likewise.
5203 * dbxout.c: Likewise.
5204 * dbxout.h: Likewise.
5205 * diagnostic.c: Likewise.
5206 * doprint.c: Likewise.
5207 * dwarf2out.c: Likewise.
5208 * dwarf2out.h: Likewise.
5209 * dwarfout.c: Likewise.
5210 * dwarfout.h: Likewise.
5211 * dyn-string.h: Likewise.
5213 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5215 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
5216 macro conditionals guarding use.
5218 * dwarf2out.c: Include "tm_p.h".
5220 * function.c (locate_and_pad_parm): Mark parameter with
5222 (expand_function_end): Likewise for variable `context'.
5224 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
5226 2000-01-13 Nick Clifton <nickc@cygnus.com>
5228 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
5229 register to prevent compile time warnings.
5231 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
5233 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
5234 to avoid -Wtraditional warning.
5236 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5238 * 1750a-protos.h: New file.
5240 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
5243 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
5246 * 1750a.md: Likewise.
5248 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5250 * a29k-protos.h: New file.
5252 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
5255 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
5258 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5260 * clipper-protos.h: New file.
5262 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
5265 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
5268 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5270 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
5272 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
5274 * configure.in (--enable-new-gxx-abi): New option.
5275 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
5276 * Makefile.in (GXX_ABI_FLAG): New variable.
5277 * configure: Regenerate.
5279 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5281 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
5282 * tm.texi (FORCE_STRUCT_BLK): Document.
5283 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
5285 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
5287 * config/ns32k/ns32k.md: Revert Jan 9 change.
5289 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
5290 to a mode-test, if the predicate is address_operand.
5292 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
5294 * combine.c (if_then_else_cond): Be careful about what kinds
5295 of RTL expressions are passed to operand_subword.
5297 * flow.c (split_edge): If we have to insert a new jump, make
5298 sure to associate it with a basic block.
5300 * flow.c (commit_one_edge_insertion): A block with one successor
5301 can end in a JUMP_INSN that is not a simplejump.
5303 2000-01-12 Robert Lipe <robertl@sco.com>
5305 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
5306 (BUILD_VA_LIST_TYPE): Define.
5307 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
5310 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
5312 * cccp.c (do_pragma): Add cast to (char *).
5314 2000-01-12 Richard Henderson <rth@cygnus.com>
5315 Fred Fish <fnf@be.com>
5316 Jason Merrill <jason@cygnus.com>
5318 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
5319 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
5320 * i386/beos-elf.h, i386/beos-pe.h: New files.
5322 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
5323 * cross-make (SYSTEM_HEADER_DIR): Define using
5324 CROSS_SYSTEM_HEADER_DIR.
5326 * gcc.c (LIBRARY_PATH_ENV): Provide default.
5327 (process_command): Use it.
5328 (main): Likewise. Kill trailing = from env vars.
5329 (build_search_list): Put it back.
5330 * collect2.c (main): Use LIBRARY_PATH_ENV.
5332 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
5333 * toplev.c: Use NEED_DECLARATION_ENVIRON.
5335 * tm.texi (Frame Layout): Document SMALL_STACK.
5336 * c-common.c (c_common_nodes_and_builtins): Check it.
5338 * system.h: Undef alloca after including glibc's <stdlib.h>,
5339 if USE_C_ALLOCA is defined.
5341 * gcc.c (set_input): New fn.
5342 (main): After all input files are compiled, reset the input file
5345 * aclocal.m4 (rindex, index): If already defined, don't attempt
5348 * ginclude/varargs.h: (__va_list__): Define ifndef.
5349 * ginclude/stdarg.h: Likewise.
5351 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
5352 instead of unsigned char.
5354 * hash.h (true, false, boolean): Undef before enum.
5356 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
5357 proper type of "HOST_WIDE_INT *", rather than their natural type of
5358 "unsigned HOST_WIDE_INT *".
5360 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5362 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
5364 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
5366 * regclass.c (choose_hard_reg_mode): Likewise.
5368 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
5370 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
5372 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5374 * c-common.c: PROTO -> PARAMS.
5375 * c-common.h: Likewise.
5376 * c-decl.c: Likewise.
5377 * c-iterate.c: Likewise.
5378 * c-lang.c: Likewise.
5379 * c-lex.c: Likewise.
5380 * c-lex.h: Likewise.
5381 * c-parse.in: Likewise.
5382 * c-pragma.c: Likewise.
5383 * c-pragma.h: Likewise.
5384 * c-tree.h: Likewise.
5385 * c-typeck.c: Likewise.
5386 * objc/objc-act.c: Likewise.
5387 * objc/objc-act.h: Likewise.
5389 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5391 * m88k-protos.h: New file.
5393 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
5396 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
5398 * m88k.md: Likewise.
5400 * tekXD88.h: Likewise.
5402 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5404 * m68k-protos.h: New file.
5406 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
5409 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
5411 * mot3300.h: Likewise.
5413 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
5415 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
5417 (extract_bitlist): Declare bitlen.
5419 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
5421 * cccp.c: Accept and ignore -lang-fortran.
5423 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
5424 qualifiers don't match at any level of pointerness.
5426 2000-01-12 Robert Lipe <robertl@sco.com>
5428 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
5430 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
5432 * reload1.c (reload_reg_unavailable): New static variable.
5433 (reload_reg_free_p): Test it.
5434 (reload_reg_free_for_value_p): Test it instead of
5436 (choose_reload_regs_init): Compute it.
5438 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
5440 * reorg.c (fill_slots_from_thread): Check modified_in_p
5443 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
5445 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
5446 these nodes even if INTERNALS is not set.
5448 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
5450 * gcse.c (delete_null_pointer_checks_1): Cope when
5451 get_condition cannot determine the condition.
5453 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
5455 * toplev.h (set_message_length): Declare.
5457 * diagnostic.c (obstack_chunk_alloc): Define macro.
5458 (obstack_chunk_free): Likewise.
5459 (struct output_buffer): New data structure.
5461 (output_maximum_width): New variable.
5462 (doing_line_wrapping, set_message_length, init_output_buffer,
5463 get_output_prefix, output_space_left, emit_output_prefix,
5464 output_newline, output_append, output_puts, dump_output,
5465 vbuild_message_string, build_message_string, build_location_prefix,
5466 voutput_notice, output_printf, line_wrapper_printf,
5467 vline_wrapper_message_with_location): New functions. Implement
5468 automatic line wrapping.
5469 (v_message_with_decl): Make it handle automatic line wrapping.
5470 (v_error_with_file_and_line): Likewise.
5471 (v_warning_with_file_and_line): Likewise.
5472 (announce_function): Likewise.
5473 (default_print_error_function): Likewise.
5475 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
5477 * cpplib.h (struct cpp_options): Change lang_asm to char.
5479 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
5480 done in cpp_handle_option now.
5481 (initialize_builtins): Take out special case code used only by
5483 (cpp_handle_option): Turn off trigraphs and trigraph warnings
5484 if -traditional. Recognize -lang-fortran and set
5485 lang_fortran, also turn off cplusplus_comments.
5486 (print_help): Document -lang-fortran.
5487 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
5488 lang_asm. Ignore all directives other than `# 123 "file"' if
5490 (cpp_get_token): If -traditional, don't recognize directives
5491 unless the # is in column 1.
5492 (parse_string): If lang_fortran or lang_asm, silently
5493 terminate strings ('' or "") at end of line.
5494 Remove unnecessary braces.
5496 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5497 Richard Henderson <rth@cygnus.com>
5499 * resource.c (mark_referenced_resources): Mark a set strict_low_part
5501 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
5502 strict_low_part when possible.
5504 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5506 * alias.c: PROTO -> PARAMS.
5507 * basic-block.h: Likewise.
5508 * bitmap.c: Likewise.
5509 * bitmap.h: Likewise.
5510 * builtins.c: Likewise.
5511 * c-aux-info.c: Likewise.
5512 * caller-save.c: Likewise.
5513 * calls.c: Likewise.
5515 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5517 * Makefile.in (toplev.o): Depend on regs.h.
5519 * output.h (tdesc_section): Prototype.
5521 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
5523 * sdbout.c: Include "tm_p.h".
5525 * toplev.c: Include "regs.h".
5527 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
5529 * unroll.c (unroll_loop): Add EH support.
5531 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5533 * pa-protos.h: New file.
5535 * pa.c: Include recog.h and tm_p.h.
5536 (compute_zdepwi_operands, compute_movstrsi_length,
5537 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
5538 find_addr_reg, import_milli): Add static prototypes.
5539 (pa_cpu_string, pa_arch_string): Constify a char*.
5540 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
5541 (read_only_operand): Add argument `mode'.
5542 (singlemove_string, output_move_double, output_fp_move_double,
5543 output_block_move, output_and, output_ior, output_ascii,
5544 remove_useless_addtr_insns, milli_names, output_mul_insn,
5545 output_div_insn, output_mod_insn, output_arg_descriptor,
5546 output_cbranch, output_bb, output_bvb, output_dbra, ,
5547 output_millicode_call, output_call, hppa_encode_label,
5548 output_parallel_movb, output_parallel_addb): Constify a char*.
5549 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
5550 (output_parallel_addb): Remove extra arg to `constrain_operands'
5552 * pa.h: Move all prototypes to pa-protos.h.
5553 (pa_cpu_string, pa_arch_string): Constify a char*.
5554 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
5556 * pa.md: Call `function_label_operand' with mode argument.
5557 Likewise for `read_only_operand'.
5558 Fix nesting of parens in call to `symbolic_operand'.
5560 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5562 * i860-protos.h: New file.
5564 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
5567 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
5569 * i860.md: Likewise.
5571 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
5573 * i386.md (movstrsi expander): Rewrite.
5574 (movstrsi_1 insn): Deleted.
5575 (strmovhi, strmovqi expander): New expanders.
5576 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
5577 * i386.c (x86_single_stringop): New global variable.
5578 * i386.h (x86_single_stringop): Declare.
5579 (TARGET_SINGLE_STRINGOP): New macro.
5581 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5583 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
5584 integer vararg POSTINCREMENT before the destination of the jump
5585 for the hard fp case.
5586 (function_arg_pass_by_reference): Pass a copy of CUM to
5589 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
5590 for CONSTANT_ADDRESS_P above while loop for subreg.
5592 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5594 * flow.c (propagate_block): When a prologue/epilogue insn
5595 is marked dead, unconditionally clear libcall_is_dead and
5596 insn_is_dead, and only dump rtl if warnings aren't being
5599 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
5601 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
5602 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
5603 (FIXED_REGISTERS): Set dirflag as fixed.
5604 (CALL_USED_REGISTERS): Set dirflag as used.
5605 (REG_ALLOC_ORDER): Set dirflag as last one.
5606 (DIRFLAG_REG): New macro.
5607 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
5608 (HI_REGISTER_NAMES): Add dirflag.
5609 (DEBUF_PRINT_REG): Handle dirflag.
5610 * i386.md (type attribute): New cld and str types.
5611 (length_opcode attribute): Set cld and str to 1.
5612 (memory attribute): Set str to unknown - it is not clear from the
5614 (pent_np function unit): Prefixed string operations takes 12 cycles
5615 minimally; cld takes 2 cycles.
5616 (ppro_uops attribute): Str is "many" and cld is "few".
5617 (ppro_p0 unit): Handle cld here.
5618 (k6_alux unit): Handle cld and str types.
5619 (k6_load unit): It is ocupied by str opcodes.
5620 (k6_store unit): It is ocupied by str opcodes.
5621 (athlon_decode): Str is vector decoded.
5622 (athlon_ieu): Handle str and cld.
5624 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
5625 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
5626 cmpstrsi_nz_1 insn): Do not output cld instruction
5628 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
5630 * gcc.texi (G++ and GCC): Add Java and Chill.
5631 (Bug Critera): Don't list languages.
5633 * gcc.texi (Incompatibilities): No longer claim most C compilers
5636 * gcc.texi (G++ and GCC): Update other front-ends list.
5638 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
5640 * i386.c (ix86_expand_setcc): Fix typo.
5641 (ix86_expand_movcc): Similarly.
5643 * Band-aid until haifa's bitset implementation is nuked.
5644 * haifa-sched.c (extract_bitlst): New parameter for size of the
5645 bitset in bits. All callers changed. Avoid looking at undefined
5647 (edgeset_bitsize): New variable.
5648 (schedule_region): Initialize edgeset_bitsize.
5650 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5652 * Makefile.in (optabs.o): Depend on real.h
5653 (resource.o): Depend on insn-attr.h
5655 * builtins.c (result_vector): Wrap prototype in macro conditions
5656 governing definition and use.
5658 * c-common.c: Include tm_p.h.
5660 * c-lex.c: Likewise.
5662 * elfos.h: Constify a char*.
5664 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
5665 (get_attr_length, shorten_branches, profile_after_prologue): Mark
5666 parameter with ATTRIBUTE_UNUSED.
5668 * fold-const.c (exact_real_inverse): Wrap variable `i' in
5671 * haifa-sched.c (schedule_insns): Mark parameter with
5674 * optabs.c: Include real.h.
5676 * real.h (ereal_atof): Add prototype arguments.
5678 * resource.c: Include insn-attr.h.
5680 * sdbout.c (sdbout_queue_anonymous_type,
5681 sdbout_dequeue_anonymous_types): Wrap in macro
5682 SDB_ALLOW_FORWARD_REFERENCES.
5683 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
5686 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
5688 * stupid.c: Include tm_p.h.
5690 * tree.c (real_value_from_int_cst): Mark parameter with
5693 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5695 * i960-protos.h: New file.
5697 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
5700 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
5702 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5704 * combine.c (expand_field_assignment): Do not discard SUBREGs
5705 while computing nonzero_bits.
5707 2000-01-09 Nick Clifton <nickc@cygnus.com>
5709 * config/arm/arm.c: Fix compile time warnings about signed vs
5711 * config/arm/arm.h: Fix compile time warnings about signed vs
5714 2000-01-09 Philip Blundell <philb@gnu.org>
5716 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
5717 than `ldm' with only one register.
5718 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
5721 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
5724 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
5726 * config/ns32k/ns32k.md (load or push effective address): Operand 1
5729 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5731 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
5732 assignment used as truth value.
5734 * function.c (assign_temp): Mark parameter `dont_promote' with
5735 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
5736 PROMOTE_FOR_CALL_ONLY.
5738 * genrecog.c (write_subroutine): Mark variable `operands' with
5741 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
5744 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
5745 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
5747 * toplev.c (note_deferral_of_defined_inline_function): Likewise
5750 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5752 * config/c4x.h: Tidy up comments.
5753 * config/c4x.c: Likewise.
5755 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
5757 * fold-const.c (lshift_double, rshift_double): Handle
5758 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
5760 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5762 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
5763 in prepare_function_start().
5765 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
5767 * config/v850/v850.c (expand_epilogue): Interrupt functions no
5768 longer allocate extra stack for function calls.
5770 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5772 * config/c4x/c4x.md (*subqf3_set): Fix typo.
5774 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5776 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
5778 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5780 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5781 * aix43.h: Revert Aug 2 change.
5782 (HAS_INIT_SECTION): Define, not visible yet.
5783 (LD_INIT_SWITCH): Define, not visible yet.
5784 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5786 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
5788 * collect2.c (main): Expand ld2 size further.
5789 (export_object_lst): Cast assignment to avoid warning.
5790 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
5791 (scan_prog_file, COFF): Do not collect initialization or
5792 finalization functions generated for entire shared object if
5793 init/fini support present.
5795 2000-01-07 Nick Clifton <nickc@cygnus.com>
5797 * config/elfos.h: Tidy up formatting of marcos. Make sure
5798 that .section directives are always prefixed by a tab.
5800 * config/svr4.h: Add #include "elfos.h" and remove duplicate
5803 2000-01-07 Matt Austern <austern@sgi.com>
5805 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
5808 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
5810 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
5812 (crtbegin.o, s-crtS): Likewise.
5814 2000-01-06 Richard Henderson <rth@cygnus.com>
5816 * alpha.md (adddi_2+1): Limit offset such that it will be
5817 loadable with a single ldah+lda pair.
5818 (adddi_2+2): Explicitly fail split if we can't make it work.
5820 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
5822 * protoize.c: Conditionally include unistd.h.
5823 (IS_SAME_PATH_CHAR): New macro.
5824 (IS_SAME_PATH): New macro.
5825 (CPLUS_FILE_SUFFIX): New macro.
5826 (cplus_suffix): New static variable.
5827 (is_abspath): New static function.
5828 (in_system_include_dir): Handle DOS style pathnames.
5829 (file_could_be_converted): Likewise.
5830 (file_normally_convertible): Likewise.
5831 (directory_specified_p): Likewise.
5832 (file_excluded_p): Likewise.
5833 (abspath): Likewise.
5834 (shortpath): Likewise.
5835 (referenced_file_is_newer): Likewise.
5836 (save_def_or_dec): Likewise.
5837 (do_processing): Likewise.
5839 (edit_file): Likewise. Use rename instead of link.
5840 (rename_c_file): Likewise. Don't rename syscalls file.
5841 (munge_compile_params): Define null device for DOS based systems.
5842 (process_aux_info_file): Use binary mode if appliable.
5843 (edit_file): Likewise.
5844 * invoke.texi (Running Protoize): Document C++ suffixes used.
5846 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
5847 IS_DIR_SEPARATOR macros.
5848 * collect2.c: Likewise.
5849 * cppinit.c: Likewise.
5850 * dwarf2out.c: Likewise.
5853 * prefix.c: Likewise.
5855 * toplev.c: Likewise.
5856 * system.h: And move to here.
5858 * prefix.c (update_path): Fix typo in variable name.
5860 2000-01-06 Richard Henderson <rth@cygnus.com>
5862 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
5863 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
5864 (count_reg_sets_1, count_reg_references): Likewise.
5865 (flow_loops_level_compute): Start counting actual loop depth at 1.
5866 (flow_loops_find): Likewise.
5867 * local-alloc.c (update_equiv_regs): Likewise.
5868 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
5870 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
5872 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
5873 FIRST_PSEUDO_REGISTER
5874 * dwarf2out.c: Don't include frame.h
5875 * dwarfout.c: Likewise
5876 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
5879 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
5881 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
5884 * i386.c (movsf splitter): Fix typo in my last checkin.
5886 2000-01-05 Nick Clifton <nickc@cygnus.com>
5888 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
5889 own definition of this macro.
5890 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
5891 flag_data_sections or UNIQUE_SECTION_P are true.
5893 * tm.texi (UNIQUE_SECTION): Document that it can be called for
5894 unitialised data decls.
5896 * config/i386/winnt.c (i386_pe_unique_section): Cope with
5897 being called for uninitialised data.
5899 * config/i386/interix.c (i386_pe_unique_section): Cope with
5900 being called for uninitialised data.
5902 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
5903 for uninitialised data.
5905 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
5906 for uninitialised data.
5908 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
5909 for uninitialised data.
5911 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
5912 (UNIQUE_SECTION_P): Always generate a unique section if
5913 flag_data_sections is true.
5914 (UNIQUE_SECTION): Also generate unique sections for
5916 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
5917 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
5920 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5922 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
5925 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5927 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
5928 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
5929 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
5930 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
5931 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
5933 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
5935 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
5937 * c-decl.c (finish_enum): Simplify code to determine minimum and
5938 maximum values of the enum, and calculate the type. Remove check
5939 for FUNCTION_DECLs in the values list, which cannot happen. Replace
5940 the DECL_INITIAL of each enumeration constant with a copy converted
5941 to the enumeration type. When updating variant types, don't bother
5942 updating the type itself.
5944 * c-typeck.c (build_binary_op): Simplify conditional expressions
5945 when weeding out spurious signed-unsigned warnings. Add new
5946 spurious warning category: if the unsigned quantity is an enum
5947 and its maximum value fits in signed_type(result_type). Update
5949 (build_conditional_expr): Warn here if one alternative is signed
5950 and the other is unsigned.
5952 2000-01-05 Nick Clifton <nickc@cygnus.com>
5954 * config/fr30/fr30.h: Remove extraneous comments.
5956 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
5958 * reload1.c (choose_reload_regs): When disabling a reload, also
5959 set reload_spill_index to -1.
5961 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5963 * configure.in (m68*-*-rtemscoff*): New target, formal name for
5965 (m68*-*-rtemself*): New target.
5966 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
5967 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
5968 (sparc*-*-rtemself*): New target.
5969 (sparc*-*-rtems*): Now elf not a.out.
5970 * config/i386/rtems.h: Include config/rtems.h.
5971 * config/i386/rtemself.h: Include config/rtems.h.
5972 * config/i960/rtems.h: Include config/rtems.h.
5973 * config/m68k/rtems.h: Include config/rtems.h.
5974 * config/m68k/rtemself.h: Include config/rtems.h.
5975 * config/mips/rtems64.h: Include config/rtems.h.
5976 * config/pa/rtems.h: Include config/rtems.h.
5977 * config/rs6000/rtems.h: Include config/rtems.h.
5978 * config/sh/rtems.h: Include config/rtems.h.
5979 * config/sh/rtemself.h: Include config/rtems.h.
5980 * config/sparc/rtems.h: Include config/rtems.h.
5981 * config/sparc/rtemself.h: Include config/rtems.h
5983 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
5985 * final.c (shorten_branches): Correctly compute length of
5986 asms without operands.
5988 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
5990 * configure.in: Add pj target.
5991 * configure: Regenerate.
5992 * config/pj: New directory.
5993 * config/pj/lib1funcs.S: New file.
5994 * config/pj/linux.h: New file.
5995 * config/pj/pj.c: New file.
5996 * config/pj/pj.md: New file.
5997 * config/pj/pjl.h: New file.
5998 * config/pj/t-pj: New file.
5999 * config/pj/xm-pj.h: New file
6001 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
6003 * toplev.c (rest_of_compilation): Run shorten-branches before
6006 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6008 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
6009 macros so that they're consistent with their names.
6010 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6011 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6013 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6015 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
6016 modified inadvertently.
6018 2000-01-04 Joel Sherrill <joel@OARcorp.com>
6020 * configure.in (v850*-*-rtems*): New target.
6021 * configure: Regenerate.
6022 * config/v850/rtems.h: New file.
6024 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
6026 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
6027 (__gthread_key_create): Likewise.
6028 (__gthread_key_dtor): Likewise.
6029 (__gthread_once): Fix logic.
6030 (__gthread_key_delete): Cast away constness.
6032 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
6033 * invoke.texi: Document.
6034 * i386/mingw32.h (CPP_SPEC): Use.
6035 (LIBGCC_SPEC): Likewise.
6036 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
6038 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6040 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
6041 (HANDLE_PRAGMA_PACK): Undefine.
6042 (SLOW_UNALIGNED_ACCESS): Define.
6044 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6046 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6047 to default definition.
6048 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
6049 (store_fixed_bit_field): Call macro with word_mode and alignment.
6050 (extract_bit_field): Call macro with relevant mode and alignment.
6051 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6052 to default definition.
6053 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
6055 (move_by_pieces_ninsns): Likewise.
6056 (clear_by_pieces): Likewise.
6057 (emit_push_insn): Likewise.
6058 (store_field): Call macro with relevant mode and alignment.
6059 (expand_expr): Likewise.
6060 (expand_expr_unaligned): Likewise.
6062 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6063 (SLOW_UNALIGNED_ACCESS): Define.
6064 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6065 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6066 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6067 (toc_section): Likewise and .toc pseudo-op.
6068 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6070 (TEXT_SECTION_ASM_OP): Likewise.
6071 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6074 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
6075 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
6076 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
6077 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
6078 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
6080 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
6082 * regclass.c: Revert my Jan 4 change to loop cost computation.
6084 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6086 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
6089 2000-01-04 Stan Cox <scox@cygnus.com>
6091 * haifa-sched.c (build_control_flow): Change unreachable simple
6092 loop test to check if current block has only one predecessor.
6093 (find_rgns): Initialize degree. Use dest as degree index, not src.
6095 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6097 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
6099 * calls.c (expand_call): Likewise for
6100 `old_stack_arg_under_construction'.
6102 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
6104 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
6107 * gcc.c (execute): Likewise for `ut' and `st'.
6109 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
6111 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
6113 * jump.c (jump_optimize_1): Likewise for `temp2'.
6115 * local-alloc.c (block_alloc): Likewise for `r1'.
6117 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
6119 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
6120 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
6122 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
6125 * reload.c (find_reloads): Likewise for `goal_alternative_number'
6126 and `goal_earlyclobber'.
6128 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
6130 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
6132 * stupid.c (stupid_life_analysis): Likewise for `chain'.
6134 * unroll.c (copy_loop_body): Likewise for `copy'.
6136 * varasm.c (output_constructor): Likewise for `byte'.
6138 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6140 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
6141 all FP constants for constant->reg moves.
6142 (ix86_split_to_parts): Try to convert memory address into immediate
6143 when available in the constant pool.
6144 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
6146 (LEGITIMATE_CONSTANT_P): Return 1.
6147 * i386.md (pushsf): New splitter to convert constant pool memory
6148 reference to immediate.
6149 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
6152 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
6154 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
6155 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
6156 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
6157 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
6158 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
6160 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
6162 * ginclude/stdbool.h: Support compilation as C++.
6164 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6166 * fold-const.c (make_range): Don't try to reverse an unbounded range.
6168 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
6170 * regclass.c (regclass): Properly compute loop_cost. Adjust
6173 * regclass.c: Fix minor whitespace problems.
6175 2000-01-03 Anthony Green <green@cygnus.com>
6177 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
6178 Restore the pic register if required.
6180 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
6182 * c-common.c (format_char_info): Update comment.
6183 (check_format_info): Recognize 'z' modifier in the same way 'Z'
6184 was recognized. Emit warning for formats new in ISO C99 only
6185 if flag_isoc9x is not set.
6187 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
6189 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
6191 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6193 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
6194 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
6195 (make_compound_operation): Choose cheaper alternative between
6196 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
6198 * regclass.c (op_costs): Remove global variable.
6199 (record_reg_classes): New parameter "op_costs" and "reg_pref".
6200 (record_operand_costs): Break out from ...
6201 (scan_one_insn): ... here.
6202 (dump_regclass): Make dumps nicer.
6203 (regclass): Dump preferrences choosed and changes done during passes.
6205 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6207 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
6209 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6211 * config/sparc/sparc.c (gen_df_reg): New function.
6212 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
6213 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
6214 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
6215 movtf_cc_reg_sp64+1): Use it.
6217 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6219 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
6222 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
6224 * config/i386/i386.c (ix86_expand_unary_operator): Function
6225 definition made void.
6226 (ix86_expand_binary_operator): Update outdated preceding comment.
6227 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
6230 * config/i386/i386.c (override_options): Fix option-name typo.
6232 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6234 * system.h (CEIL): Define.
6235 * builtins.c (CEIL): Remove.
6236 * expmed.c (CEIL): Likewise.
6237 * expr.c (CEIL): Likewise.
6238 * stor-layout.c (CEIL): Likewise.
6240 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6242 * expr.c (store_constructor_field): Fix typo introduced with last
6245 2000-01-01 Mark Mitchell <mark@codesourcery.com>
6247 * tree.h (BINFO_N_BASETYPES): New macro.
6249 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
6251 * expmed.c (emit_store_flag): Prevent losing a pending stack
6252 adjust the same way we prevent losing queued increments.
6254 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6256 * function.c (update_temp_slot_address): Handle case where sum of
6257 temporary address plus offset in register is a valid address.
6259 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6261 * genrecog.c (change_state) Corrected typo.
6263 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6265 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
6266 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
6267 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
6269 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
6271 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
6272 case, expand GT comparisons correctly. Fix a comment before this
6275 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6277 * dwarfout.c: Include "frame.h"
6278 * dwarf2out.c: Likewise.
6279 * Makefile.in (dwarfout.o): Depend on frame.h
6280 (dwarf2out.o): Likewise.
6282 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
6284 Restore i386 binary compatibility in Dwarf EH info.
6285 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
6286 value of FIRST_PSEUDO_REGISTER.
6287 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
6288 (struct frame_state): Use DWARF_FRAME_REGISTERS.
6289 * dwarfout.c (output_reg_number): Ditto.
6290 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
6291 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
6293 1999-12-29 Bruce Korb <autogen@linuxbox.com>
6295 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
6296 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
6297 (<hack>_RE_CT): not needed
6298 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
6299 rewritten to scan the file text once only
6300 "template<..." test added
6301 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
6302 (is_cxx_header): declaration added
6303 * fixinc/fixtests.c(is_cxx_header): removed
6304 (apply_fix_p_t): removed
6305 (double_slash_test): is_cxx_header is only called once now
6306 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
6307 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
6308 within the templates.
6309 The borken spelling of "broken" was fixed.
6310 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
6311 The default level depends on FIXINC_DEBUG.
6313 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6315 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
6316 Otherwise provide a declaration for atexit.
6317 (init_dummy): Make sure dummy call to atexit is nevertheless
6318 called with correct number of args.
6320 * frame.c: Update comments referring to other files.
6322 * libgcc2.c: Likewise.
6324 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6326 * cse.c (free_element, get_element): Remove unused prototypes.
6328 * fold-const.c (extract_muldiv): Initialize variables `op0' and
6331 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
6334 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
6336 * configure.in,configure: case arm for mn10200-*-* now sets
6337 float_format=i32 so that float.h will correctly claim "double"
6338 to be 32 bits. Ran autoconf to generate configure from .in file.
6340 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
6342 * pa.md (conditional zero): If op1 is a register, force it into
6343 the same register as op0.
6345 1999-12-28 Mark Mitchell <mark@codesourcery.com>
6347 * tree.h (BINFO_BASETYPES): Improve documentation.
6349 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6351 * configure.in (--enable-checking): Use a more portable `for'
6354 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6356 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
6357 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
6359 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
6362 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
6363 Delete descriptions.
6365 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
6366 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
6367 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
6368 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
6369 xm-svr4.h: Remove all instances of sys_siglist handling.
6371 1999-12-27 Jakub Jelinek <jakub@redhat.com>
6373 * config/sparc/sparc.md (cmp_zero_qi,
6374 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
6375 cmp_zero_extendqidi2_andcc_set): New patterns.
6377 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
6379 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
6380 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
6381 (fpgnulib.c, xfgnulib.c): Add rules.
6382 * m68k/t-mot3300-gas: Likewise.
6384 1999-12-27 Ian Lance Taylor <ian@zembu.com>
6386 * configure.in: Avoid [[ by using test and changequote. Add
6387 changequote required by 1999-12-14 change.
6388 * configure: Rebuild.
6390 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
6392 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
6394 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
6396 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
6397 * flow.c (find_use_as_address): Likewise.
6398 * function.c (fixup_var_refs_1): Likewise.
6399 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
6400 * jump.c (invert_exp, redirect_exp): Likewise.
6401 * loop.c (replace_call_address): Likewise.
6402 (count_nonfixed_reads): Likewise.
6403 * rtlanal.c (modified_between_p): Likewise.
6404 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
6405 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
6406 * unroll.c (remap_split_bivs): Likewise.
6408 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6410 * diagnostic.c (v_message_with_decl): Use .* format specifier
6411 instead of building the format specifier width manually.
6413 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
6414 determining whether to provide a prototype. Remove the
6415 sys_siglist clause in the conditional.
6417 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6419 * fold-const.c (operand_equal_p): Use memcmp to compare string
6421 Suggested by D. J. Bernstein
6423 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6425 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
6426 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6428 * config/mips/mips.h (TARGET_64BIT): Likewise.
6429 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
6430 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
6431 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
6432 dsps. Give routines proper names if SI/DI modes are not used.
6433 * longlong.h: Use DWunion instead of DIunion.
6435 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
6437 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
6438 GC_CHECKING, GC_ALWAYS_COLLECT.
6439 * configure.in: Allow --enable-checking with an argument
6440 listing check modes to enable.
6441 * config.in, configure: Rebuilt.
6442 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
6443 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
6444 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
6445 ENABLE_GC_ALWAYS_COLLECT.
6446 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
6448 * tree.h, tree.c: Change ENABLE_CHECKING to
6449 ENABLE_TREE_CHECKING throughout.
6451 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6453 * fold-const.c (fold_truthop): Properly check for FP RHS.
6455 1999-12-24 Mark Mitchell <mark@codesourcery.com>
6457 * toplev.h (note_deferall_of_defined_inline_function): Declare.
6458 * toplev.c (note_deferral_of_defined_inline_function): New
6459 function, split out from ...
6460 (rest_of_compilation): ... here. Use it.
6462 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6464 * expr.c (store_constructor): Don't call clear_storage if size is
6467 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6469 * Makefile.in (toplev.o): Depend on loop.h.
6471 * dwarfout.c: Include tm_p.h.
6473 * emit-rtl.c (restore_emit_status): Mark parameter with
6476 * final.c (final_scan_insn): Likewise.
6478 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
6479 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
6480 flow_depth_first_order_compute, flow_loop_pre_header_find,
6481 flow_loop_tree_node_add, flow_loops_tree_build,
6482 flow_loop_level_compute, flow_loops_level_compute,
6483 flow_loop_outside_edge_p): Add prototypes.
6484 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
6486 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
6487 Mark with ATTRIBUTE_NORETURN.
6489 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
6491 * local-alloc.c (no_conflict_p): Likewise.
6493 * loop.c (insert_bct): Hide definitions of variables with hidden
6495 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
6497 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
6498 with ATTRIBUTE_UNUSED.
6499 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
6500 (reg_scan): Likewise.
6502 * reload.c (find_reloads): Remove unused variables `changed'.
6504 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
6506 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
6507 Remove unused variable `insn'.
6509 * toplev.c: Include loop.h.
6510 (report_file_and_line): Remove unnecessary prototype.
6512 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
6514 * unroll.c (biv_total_increment): Likewise.
6516 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6518 * reload1.c (emit_input_reload_insns): Restore old behaviour
6519 wrt. 'special' reloads.
6521 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
6523 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
6524 hash.h. (cse.c): Don't depend on hashtab.h.
6526 * cse.c: Don't include hashtab.h.
6527 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
6529 * ggc-simple.c: Don't include hash.h.
6531 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
6533 * dwarf2out.c (add_abstract_origin_attribute): Call
6534 gen_abstract_function on our function context.
6536 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
6538 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
6540 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6542 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
6545 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6547 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
6548 constraints to "a!r".
6550 1999-12-21 Mark Mitchell <mark@codesourcery.com>
6552 * Makefile.in (calls.o): Depend on function.h.
6553 (alias.o): Likewise.
6555 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
6557 * reload1.c (emit_reload_insns): Break out code and variables into...
6558 (input_reload_insns, other_input_address_reload_insns,
6559 other_input_reload_insns, input_address_reload_insns,
6560 inpaddr_address_reload_insns, output_reload_insns,
6561 output_address_reload_insns, outaddr_address_reload_insns,
6562 operand_reload_insns, other_operand_reload_insns,
6563 other_output_reload_insns): ... new static variables, and...
6564 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
6565 do_output_reload): ... new functions.
6567 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6569 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
6571 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6573 * md.texi: Add c4x constraints documentation.
6575 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6577 * config/i386/dgux.c (struct option): Rename to
6578 lang_independent_option.
6579 (struct m_options): Add description field.
6580 (output_options): Rename option type, add sep declaration, output
6581 ix86_cpu_string and ix86_arch_string only if set.
6582 (output_file_start): Rename option type.
6584 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
6586 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
6588 (libgcc2.a): Similarly.
6590 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
6592 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
6593 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
6594 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
6596 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
6598 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
6599 Remove redundant initialization of "frexpon" and "expon".
6601 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6603 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
6605 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
6606 (store_constructor_field, expand_expr): Pass new arg.
6608 1999-12-20 Mark Mitchell <mark@codesourcery.com>
6610 * Makefile.in (explow.o): Depend on function.h.
6612 * stor-layout.c (set_sizetype): Fix typo.
6614 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
6616 * function.c (cfun): Renamed from current_function. All users
6618 * function.h (cfun): Rename declaration as well.
6620 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
6621 to be of type regset_head, not regset. All users changed by adding
6623 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
6625 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6627 * config/c4x/rtems.h: New file.
6629 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
6631 * reload1.c (spill_failure): Take class of failed reload as argument
6632 and print it. Caller changed.
6634 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6636 * rs6000.h (SUBTARGET_DEFAULT): New macro.
6637 (TARGET_SWITCHES): Allow subtargets to default switches.
6638 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
6640 1999-12-18 Mark Mitchell <mark@codesourcery.com>
6642 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
6645 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
6647 * cccp.c (main): Define __STDC_VERSION__ as necessary.
6648 * cppinit.c (cpp_handle_option): Likewise.
6650 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
6651 determine when to define.
6653 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
6655 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
6656 cmove with mismatched test and data modes.
6658 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
6660 * c-typeck.c (c_expand_start_case): Don't warn for long switch
6663 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6665 * alias.c: Minor reformatting.
6668 * stor-layout.c: Likewise.
6669 * fold-const.c: Likewise.
6670 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
6671 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
6673 (size_int_wide): Cache nodes even if garbage collecting.
6674 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
6675 of SAVE_EXPR has no side effects.
6676 * cse.c: Move a comment.
6677 * tree.c: Minor reformatting.
6678 (int_size_in_bytes): Return -1 if constant overflows.
6680 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6682 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
6684 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
6686 * objc/objc-parse.c: Regenerate. This file must be rebuilt
6687 after any change to c-parse.in, even if objc-parse.y didn't
6690 1999-12-18 David S. Miller <davem@redhat.com>
6692 * toplev.c (rest_of_compilation): Restore BLOCK tree
6693 reconstruction and branch shortening changes lost in
6694 December 18th change.
6696 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
6698 * config/arm/linux-elf.h: Change all instances of
6699 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
6700 * config/arm/uclinux-elf.h: Likewise.
6702 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
6704 * toplev.c (notice, vmessage, v_message_with_file_and_line,
6705 v_message_with_decl, file_and_line_for_asm,
6706 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
6707 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
6708 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
6709 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
6710 pfatal_with_name, fatal_io_error, need_error_newline,
6711 last_error_function, last_error_tick, announce_function,
6712 default_print_error_function, print_error_function,
6713 report_error_function, fnotice, error_with_file_and_line,
6714 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
6715 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
6716 warning_with_decl, warning_for_asm, warning, pedwarn,
6717 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
6719 (compile_file): Use fnotice instead of notice. Adjust call.
6721 * diagnostic.c: New file.
6723 * Makefile.in (OBJS): Include diagnostic.o
6724 (diagnostic.o): Define dependence.
6726 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6728 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
6731 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6733 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
6735 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
6737 * fixtests.c (is_cxx_header): New fn, split out of
6739 (else_endif_label): Allow "#endif // comment" in C++ headers,
6740 as determined by is_cxx_header.
6741 * fixfixes.c (else_endif_label_fix): Update comment.
6742 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
6744 * genfixes: Correct double thinko in commandline parsing.
6745 * hackshell.tpl: Generate correct sh syntax for bypass
6748 * inclhack.def (all): Whenever an inserted preprocessor
6749 conditional is split over multiple lines, use double
6750 backslashes in this file so the fixed header will be readable.
6752 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
6753 and add bypass entry for correct version of this header.
6754 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
6755 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
6757 (hpux8_bogus_inlines): New fix, split from...
6758 (ultrix_atof_param) ... here.
6759 (math_expression): Add bypass entry keyed to glibc comment
6760 indicating the problem has been dealt with; disable
6761 unnecessary sed operations; update commentary.
6762 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
6763 add select and bypass entries, simplify shell operation.
6764 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
6766 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
6767 ultrix_atof_param): Add select entry.
6768 (stdio_va_list, sunos_mather_decl): Add bypass entry.
6769 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
6770 comments with the fixes they describe.
6772 * c-parse.in (string action): Do not warn about ANSI string
6773 concatenation in system headers. Affects C parser only.
6774 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
6776 1999-12-16 Jakub Jelinek <jakub@redhat.com>
6778 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
6779 compiling libgcc2 the macro depends always on arch cpp defines.
6781 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
6783 * loop.c (insert_loop_mem): Don't record MEMs from inside
6786 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
6788 * regclass.c (regclass): Do not use flowgraph when not optimizing.
6790 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
6791 notes too, create one when replacement failed, attempt to simplify
6793 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
6796 1999-12-16 Mark Mitchell <mark@codesourcery.com>
6798 * crtstuff.c (__dso_handle): Declare.
6799 (__cxa_finalize): Likewise.
6800 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
6803 * invoke.texi: Document -fuse-cxa-atexit.
6805 * tree.h (ptr_type_node): Document.
6806 (const_ptr_type_node): Likewise.
6808 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6810 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
6811 (optimize_reg_copy_2): Likewise.
6812 (optimize_reg_copy_3): Likewise.
6813 (fixup_match_2): Likewise.
6814 (regmove_optimize): Likewise.
6815 (fixup_match_1): Liekwise.
6817 * i386.md (HI to SImode promoting splitters): Rewrite.
6818 (pushsf mem peep2): New.
6819 (testhi to andhi peep2): Remove.
6820 * i386.h (x86_promote_QImode): New.
6821 (TARGET_PROMOTE_QImode): New.
6822 (PREDICATE_CODES): Add promotable_binary_operator.
6823 * i386.c (x86_promote_QImode0: New.
6824 (promotable_binary_operator): New.
6825 * i386-protos.h (promotable_binary_operator): New.
6827 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
6829 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
6831 1999-12-16 Mark Mitchell <mark@codesourcery.com>
6833 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
6834 * function.c (insert_block_after_note): Remove.
6835 (retrofit_block): Likewise.
6836 (identify_blocks): Fix indentation.
6837 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
6838 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
6839 * function.h (insert_block_after_note): Remove prototype.
6840 (retrofit_block): Likewise.
6841 * integrate.c (expand_inline_function): Don't call
6842 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
6843 just expand_start_bindings. Use the block_map to remap old
6844 NOTE_BLOCKs to new ones.
6845 (integrate_decl_tree): Keep track of remapped blocks.
6846 * integrate.h (struct inline_remap): Add block_map.
6847 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
6848 NOTE_BLOCK on the notes.
6849 (expand_start_bindings): Rename to ...
6850 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
6851 (expand_end_bindings): Set NOTE_BLOCK.
6852 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
6853 reconstruct the BLOCK tree.
6854 * tree.h (expand_start_bindings): Macroize. Call ...
6855 (expand_start_bindings_and_block): New function.
6857 1999-12-16 Jakub Jelinek <jakub@redhat.com>
6859 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
6860 to match the format.
6862 1999-12-16 David S. Miller <davem@redhat.com>
6864 * expr.c (emit_move_insn_1): Only emit clobbers if one of
6865 the outputs is a SUBREG.
6866 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
6869 * config/sparc/sparc.c (epilogue_renumber): Add default case
6872 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6874 * toplev.c (rest_of_compilation): Run branch shortening after
6877 * regclass.c (loop_depth): Remove
6878 (scan_one_insn): Do not handle LOOP_NOTE insns.
6879 (regclass): Go through basic blocks and set loop_cost
6881 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
6883 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
6885 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6887 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
6888 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
6889 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
6891 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
6893 * loop.c (insert_loop_mem): Ignore memory clobbers.
6895 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
6898 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
6900 * profile.c: Remove redundant #include "output.h".
6902 * h8300.md (HImode preinc peephole): Fix typo.
6904 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
6906 * function.c (retrofit_block): Abort if we don't find a suitable insn.
6907 (insert_block_after_note): Abort if we don't have a previous block.
6908 Remove FN parameter.
6909 * function.h: Adjust.
6911 1999-12-15 Mark Mitchell <mark@codesourcery.com>
6913 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
6914 argument more than once.
6916 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
6918 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
6920 1999-12-15 Jakub Jelinek <jakub@redhat.com>
6922 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
6924 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6926 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
6927 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
6928 update stack_alignment_needed.
6929 (prepare_function_start): Initialize stack_alignment_needed
6930 * function.h (struct function): Add field stack_alignment_needed.
6932 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6934 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
6935 Handle live_throughout / dead_or_set instead of live_before /
6937 (save_call_clobbered_regs): Get register livenessinformation from
6938 chain->live_throughout.
6939 (add_stored_regs): New function.
6940 (insert_restore, insert_save): Add restored / saved registers to
6942 * global.c (reg_dies): New parameter chain.
6943 (reg_becomes_live): Third parameter is regs_set now.
6944 Changed all callers.
6945 (reg_dies): New parameter chain. Changed all callers.
6946 (build_insn_chain): Set live_throughout instead of
6947 live_before / live_after.
6948 * reload.h (struct insn_chain): Replace members live_before /
6949 live_after with live_throughout / dead_or_set.
6950 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
6951 instead of live_before / live_after.
6952 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
6953 (order_regs_for_reload, find_reg, finish_spills): Likewise.
6954 (choose_reload_regs_init): Likewise.
6955 * stupid.c (current_chain, find_clobbered_regs): Delete.
6956 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
6957 instead of chain->live_before / chain->live_after.
6958 (mark_hard_ref): New function.
6959 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
6961 1999-12-15 David S. Miller <davem@redhat.com>
6963 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
6965 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6967 * flow.c (calculate_loop_depth): Make global, remove prototype,
6968 rewrite to use new loop infrastructure.
6969 (find_basic_block): Remove calculate_loop_depth call.
6970 * toplev.c (rest_of_compilation): Call find_basic_block.
6971 * output.h (calculate_loop_depth): Declare.
6973 * flow.c (dump_flow_info): Dump loop_depth.
6974 (flow_loops_nodes_find): Increase loop_depth for basic block in the
6976 (flow_loops_find): Initialize the loop_depth for each basic block.
6978 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
6980 * tree.c (decl_function_context): Handle virtual functions.
6982 * tlink.c (scan_linker_output): Don't look in demangled name when
6983 looking for linker output keywords.
6985 * dwarfout.c (output_type): We can defer namespace-scope classes.
6987 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
6989 * regclass.c (record_reg_classes): Update comment for merging
6990 register class preferences in reg->reg copies. Tighten conditions
6991 for merging register class preferences in reg->reg copies.
6993 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
6995 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
6997 1999-12-14 Geoff Keating <geoffk@cygnus.com>
6999 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
7000 (INIT_SECTION_ASM_OP): Delete.
7001 (FINI_SECTION_ASM_OP): Delete.
7002 (STARTFILE_SPEC): Define to hold just crtbegin.o.
7004 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
7006 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
7007 the abstract origin wasn't emitted.
7009 * dwarf2out.c (class_scope_p): New fn.
7010 (gen_subprogram_die): Use it.
7011 (gen_variable_die): Use it. Tweak logic.
7012 (gen_struct_or_union_type_die): Check context_die to determine
7013 if we're function-local.
7014 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
7016 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7018 * loop.c (check_dbra_loop): Can't reverse a biv that has
7021 1999-12-14 Nick Clifton <nickc@cygnus.com>
7023 * config/arm/arm.c: Add support for -mcpu=arm720 command line
7026 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7028 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
7029 for givs made from biv increments.
7031 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
7033 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
7034 * alpha.c (override_options): Recognize -mcpu=ev67.
7035 * alpha.h (CPP_CPU_EV67_SPEC): New.
7036 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
7037 (EXTRA_SPECS): Update.
7039 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
7041 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
7042 appropriate for -lang-c89 and -std=*.
7043 * cppinit.c (cpp_handle_option): Likewise.
7044 (new_pending_define): New, split out from cpp_handle_option.
7045 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
7046 or enable trigraphs for -ansi/-std=*.
7048 * ginclude/stdarg.h (__va_copy): New.
7049 (va_copy): Don't define for C89.
7051 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
7053 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
7054 for long long multiply-accumulate.
7056 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7058 * regclass.c (scan_one_insn): Set loop_cost to 1 when
7059 optimizing for size.
7061 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7063 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
7064 if something changed. Back out that part of yesterday's changes.
7066 * loop.c (loop_max_reg): New static variable.
7067 (loop_optimize): Initialize it. Eliminate one unnecessary call to
7069 (scan_loop): Call reg_scan_update whenever we may have added new
7070 registers, and update loop_max_reg.
7072 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7074 * regclass.c (record_reg_classes): Do not do the copying preferrencing
7075 when source does not die.
7077 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
7079 1999-12-14 Jakub Jelinek <jakub@redhat.com>
7081 * config/sparc/linux64.h (TARGET_LIVE_G0,
7082 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
7084 * config/sparc/linux.h (TARGET_LIVE_G0,
7085 TARGET_BROKEN_SAVERESTORE): Likewise.
7086 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
7087 TARGET_BROKEN_SAVERESTORE): Likewise.
7089 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
7090 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
7092 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
7093 as sparc64 block profiling register.
7094 * config/sparc/sparc.c (sparc_override_options): Allow block
7095 profiling with -m32.
7096 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
7098 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
7099 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
7100 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
7102 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
7104 * config/sparc/sparc.h: Likewise.
7105 * config/sparc/xm-sysv4-64.h: Likewise.
7106 * config/float-sparc.h: Likewise.
7107 * glimits.h: Likewise.
7108 * longlong.h: Likewise.
7110 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
7111 (ASM_IDENTIFY_GCC): Remove.
7113 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7115 * combine.c (combine_simplify_rtx): Don't make shared rtl.
7116 (simplify_logical): Likewise.
7118 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7120 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
7121 * cppfiles.c (INO_T_EQ): Likewise.
7123 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7125 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
7126 * i386/mingw32.h (LIB_SPEC): Likewise.
7127 (STARTFILE_SPEC): Likewise.
7128 * i386/uwin.h (LIB_SPEC): Likewise.
7129 (STARTFILE_SPEC): Likewise.
7131 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
7132 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
7134 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
7136 * combine.c (combine_simplify_rtx): Fix order of checks for
7137 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
7139 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
7141 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
7142 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
7144 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7146 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
7148 * regclass.c (inv_reg_alloc_order): New array.
7149 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
7151 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
7152 counted_for_groups, counted_for_nongroups. Add fields rld and
7154 * reload.c (push_secondary_reload): Don't set nongroup field of
7156 (push_reload): Likewise.
7157 (find_reloads): Delete code to compute nongroup fields.
7158 * reload1.c (reload_insn_firstobj): New static variable.
7159 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
7161 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
7162 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
7163 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
7165 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
7167 (struct hard_reg_n_uses): Deleted.
7168 (potential_reload_regs): Deleted.
7169 (init_reload): Initialize spilled_pseudos and pseudos_counted.
7170 (reload): Don't try to allocate reload registers if we already know
7171 we have to make another pass. Call select_reload_regs. Free memory
7172 starting with reload_firstobj when starting another pass.
7173 Don't allocate spilled_pseudos.
7174 (calculate_needs_all_insns): Call copy_reloads for an insn that
7175 needs reloads; don't call calculate_needs.
7176 (spill_cost): New static array.
7177 (used_spill_regs_local): New static variable.
7178 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
7179 to compute potential_reload_regs.
7180 (find_reload_regs): Completely rewritten to use find_reg.
7181 (allocate_reload_reg): Don't test counted_for_groups or
7182 counted_for_nongroups. Lose NOERROR arg and code to give an error;
7184 (choose_reload_regs): Add fallback code that uses the existing
7185 register allocation from find_reload_regs.
7187 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
7189 * flow.c (create_edge_list): Cast xmalloc return value.
7191 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
7193 * doprnt.c: Remove incorrect comment closure.
7195 * cse.c: Fix a few minor whitespace goofs.
7197 1999-12-13 Don Bowman <don@pixstream.com>
7199 * mips/vxworks.h: Fix problem with comment termination.
7200 (EXTRA_SECTIONS): Add in_sbss.
7201 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
7203 1999-12-12 David S. Miller <davem@redhat.com>
7205 * cse.c (struct cse_reg_info): Add hash_next member,
7206 reorder rest of struct for better packing on 64-bit
7208 (cse_reg_info_tree): Kill.
7209 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
7210 REGHASH_FN): New custom pow2 hash mechanism.
7212 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
7213 use a pow2 hash table.
7214 (get_cse_reg_info): Rework to use new REGHASH.
7215 (new_basic_block): Likewise, use HASH_SIZE, and inline
7217 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
7218 and inline free_element call.
7219 (lookup_as_function, insert, flush_hash_table, invalidate,
7220 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
7221 invalidate_for_call, use_related_value, find_comparison_args,
7222 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
7223 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
7226 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
7228 * cse.c (cse_basic_block): Free qty_table consistently.
7230 1999-12-12 David S. Miller <davem@redhat.com>
7231 Jakub Jelinek <jakub@redhat.com>
7233 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
7234 SUBREGs by hand, gen the appropriate hard reg directly.
7235 (movtf reg/mem split): Likewise and alter_subreg on destination
7237 (movtf mem/reg split): Similarly.
7238 (movdf_cc_sp64): Rename from hidden pattern.
7239 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
7240 (movtf_cc_sp64, following split): New pattern and splitter.
7241 (movdf_cc_reg_sp64): Rename from hidden pattern.
7242 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
7244 (movtf_cc_reg_sp64, following split): New pattern and splitter.
7246 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
7248 * loop.c (load_mems): Don't hoist written floating point mem
7251 1999-12-12 Mark Mitchell <mark@codesourcery.com>
7253 * except.h (struct eh_queue): Add `next' pointer.
7254 (struct eh_status): Make x_ehqueue a pointer.
7255 (push_ehqueue): Declare.
7256 (pop_ehqueue): Likewise.
7257 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
7259 (expand_fixup_region_end): Likewise.
7260 (expand_leftover_cleanups): Likewise.
7261 (push_ehqueue): Define.
7262 (pop_ehqueue): Likewise.
7263 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
7264 than doing it inline.
7265 (expand_start_all_catch): Adjust now that ehqueue is a
7267 (mark_eh_queue): Mark all level of the queue.
7268 (mark_eh_status): Adjust now that ehqueue is a
7270 (init_eh_for_function): Allocate ehqueue.
7271 (free_eh_status): Free it.
7272 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
7273 expansion for a fixup.
7275 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7277 * gthr-single.h (__gthread_active_p): Add prototype arguments.
7279 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
7280 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
7281 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
7282 function_ptr, getpagesize, __enable_execute_stack,
7283 __enable_execute_stack, __clear_insn_cache,
7284 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
7285 _cleanup, _exit, __default_terminate, __terminate_func,
7286 __terminate, __empty, __throw, new_eh_context,
7287 eh_context_initialize, eh_context_static, eh_context_specific,
7288 get_eh_context, __get_eh_context, __get_eh_info,
7289 init_reg_size_table, eh_threads_initialize,
7290 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
7291 __unwinding_cleanup, throw_helper, __throw, __rethrow,
7292 __pure_virtual): Add prototype arguments.
7293 (__bb_exit_func): Cast a sizeof to long when comparing against one.
7294 Cast a signed value to unsigned long when comparing against one.
7295 (new_eh_context): Wrap in _GTHREADS macro.
7296 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
7298 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
7299 (throw_helper): Initialize variables `handler_p' and `pc_p'.
7301 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7303 * combine.c (record_promoted_value): Remove unused variable
7306 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
7308 * global.c (record_conflicts): Likewise for `j'.
7310 * genoutput.c (output_insn_data): Don't unnecessarily cast away
7313 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7315 * i386-protos.h (output_387_binary_op, output_fix_trunc,
7316 output_fp_compare): Constify a char*.
7318 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
7320 (override_options, ix86_comp_type_attributes, print_operand,
7321 output_387_binary_op, output_fix_trunc, output_fp_compare):
7323 (ix86_sched_reorder): Mark parameter `clock_var' with
7326 * i386.h (DEBUG_PRINT_REG): Constify a char*.
7328 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
7330 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
7331 operand, for use in the Java front-end.
7333 1999-12-10 Ben Collins <bcollins@debian.org>
7335 * configure.in: Fix typo for "-64" in 64bit as check.
7336 * configure: Rebuilt.
7338 1999-12-10 Jakub Jelinek <jakub@redhat.com>
7340 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
7343 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7345 * c-parse.in (string): With -Wtraditional, warn if ANSI string
7346 concatenation is utilized.
7348 * invoke.texi (-Wtraditional): Document it.
7350 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7352 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
7353 Cast a ptrdiff_t to long and pass it to printf with %ld.
7355 1999-12-10 Geoff Keating <geoffk@cygnus.com>
7357 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
7358 68881, we have no 68881 registers at all.
7359 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
7360 value in a 68881 register if it is available.
7362 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
7364 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
7365 for long long multiply-accumulate.
7367 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7369 * loop.c (insert_loop_mem): Undo last change.
7371 1999-12-10 David S. Miller <davem@redhat.com>
7373 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
7375 * config/sparc/sparc-protos.h: Add them.
7376 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
7377 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
7378 constraints which use those helpers.
7379 (EXTRA_CONSTRAINT): Use this new macro.
7380 * md.texi: Update sparc target constraints documentation.
7381 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
7382 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
7383 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
7384 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
7385 (movsf high/lo_sum split): Rework for new patterns.
7386 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
7388 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
7390 * c-common.c (c_common_nodes_and_builtins):
7391 Create __builtin_ptrdiff_t and __builtin_size_t.
7393 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
7395 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
7397 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7399 * regclass.c (globalize_reg): Re-instate test that allows
7400 fixed registers to be declared as a variable even after functions
7403 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7405 * i386.md (cpu attribute): Add "athlon".
7406 (athlon_decode): New attribute.
7407 (Athlon scheduling units definitions): New.
7408 (fcmp and shld patterns): Set athlon_decode to "vector".
7409 * i386.c (athlon_cost): New.
7411 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
7412 x86_use_sahf): Set for Athlon.
7413 (x86_use_fiop): Unset for Athlon.
7414 (override_options): Define Athlon alignments and "athlon" name.
7415 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
7416 * i386.h (TARGET_ATHLON): New.
7417 (enum processor_type): Add PROCESSOR_ATHLON.
7418 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
7420 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
7422 1999-12-09 Andreas Jaeger <aj@suse.de>
7424 * loop.c (record_biv): Declare parameter as int.
7426 * config/i386/i386-protos.h: Declare long_memory_operand.
7428 1999-12-09 Mark Mitchell <mark@codesourcery.com>
7430 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
7431 EXPR_WITH_FILE_LOCATION.
7433 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7435 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
7438 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
7440 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
7443 1999-12-09 Jakub Jelinek <jakub@redhat.com>
7445 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
7446 default on linux64 again.
7447 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
7448 models for multilibing.
7449 * genmultilib: Accept | as alternative separator within a set in
7452 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
7454 * calls.c (precompute_arguments): Make sure initial_value contains
7455 value pseudo which CSE expects.
7456 * cse.c (struct set): New entry orig_src.
7457 (cse_insn): Set it early on entry, use it for libcall EQUIV note
7460 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
7462 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
7464 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7466 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
7468 1999-12-08 Jakub Jelinek <jakub@redhat.com>
7470 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
7471 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
7473 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
7476 * longlong.h: Merge in changes from glibc.
7477 Also don't clobber %g2 register in 32bit SPARC assembly, so that
7478 -mno-app-regs libgcc can be compiled.
7479 * libgcc2.c: Add defines so that the updated longlong.h
7480 can be used in libgcc2.a. Also, make sure on most architectures
7481 (at least on all which have optimized code in longlong.h defined
7482 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
7484 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7486 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
7487 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
7488 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
7490 * configure: Rebuilt.
7492 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
7494 * alpha.c (secondary_reload_class): For !BWX, sub-simode
7495 outputs require a register.
7497 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
7499 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
7500 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
7501 functions like dptoul will be resolved.
7502 (libgcc2.a): Make sure that the object files from DPBIT are named
7503 differently (prefix `_dp') from those that would be coming from
7506 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
7508 * configure.in: When target is sparc* and tm_file contains 64,
7509 test for 64bit support in assembler. If not supported, remove
7510 sparc/t-sol2-64 from target-dependent Makefile fragments.
7511 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
7512 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
7513 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
7514 * acconfig.h (AS_SPARC64_FLAG): Added.
7515 * configure, config.in: Rebuilt.
7516 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
7517 support. Use AS_SPARC64_FLAG.
7519 1999-12-07 Jakub Jelinek <jakub@redhat.com>
7521 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
7522 suitable for holding OFmode values so that gcc works with complex
7524 (hard_64bit_mode_classes): Likewise.
7526 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
7527 so that it is actually matched.
7528 (sethi_di_medlow): Likewise.
7530 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
7531 as legitimate constant if -mvis.
7532 * config/sparc/sparc.md (movtf): Likewise.
7533 (clear_sf): Use const_double_operand.
7534 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
7536 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
7537 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
7538 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
7539 routines, _Qp_* cannot be handled like that now.
7540 (INIT_TARGET_OPTABS): Likewise.
7541 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
7542 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
7543 sparc_emit_float_lib_cmp if ARCH64 and soft float.
7544 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
7545 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
7546 divtf3, sqrttf3): New expanders.
7547 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
7548 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
7549 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
7552 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
7553 * configure: Rebuilt.
7554 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
7555 -mcpu is given and we're doing 64bit compiles.
7557 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
7559 * loop.h (struct induction): Add multi_insn_incr.
7560 * loop.c (basic_induction_var): New multi_insn_incr argument.
7561 Set it if we search back through previous insns for the biv.
7562 (record_biv): New multi_insn_incr argument; fill in struct induction.
7563 (strength_reduce): Discard an iv with multiple bivs, any of
7564 which require multiple insns to increment.
7566 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7568 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
7571 1999-12-06 David S. Miller <davem@redhat.com>
7573 * combine.c (check_promoted_subreg): Do not conditionalize this upon
7574 PROMOTE_FUNCTION_RETURN.
7576 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
7578 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
7579 and handle REG_UNUSED note on insn.
7581 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
7582 inner_mask instead of mask.
7584 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
7586 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
7587 zero if there was an error.
7589 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7591 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
7594 * longlong.h: Fix clobbers in SPARC asm statements.
7596 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
7597 valid sethi operations when TARGET_ARCH64.
7599 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
7600 always use move_by_pieces to avoid infinite recursion.
7601 (restore_fixed_argument_area): Likewise.
7603 * combine.c (check_promoted_subreg, record_promoted_value): New
7605 (combine_instructions): Use them to retain nonzero and sign bit
7606 information after SUBREGs are eliminated by optimizations in
7607 this pass if PROMOTE_FUNCTION_RETURN.
7609 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
7610 .register declaration. Don't use variables with __ prefixes.
7612 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7614 * fold-const.c (optimize_bit_field_compare): Only use one mode
7615 for both RHS and LHS in non-constant case.
7617 1999-12-06 Nathan Sidwell <nathan@acm.org>
7619 * frame.c (start_fde_sort): Only allocate erratic array, if
7620 linear one was allocated. Return allocated flag.
7621 (fde_insert): Only insert, if there's a valid array.
7622 (fde_end_sort): Split, sort and merge if linear and erratic
7623 arrays exist, else just sort linear one.
7624 (search_fdes): New function. Linear search through original fde
7626 (frame_init): Permit multiple initializations. Cope with
7628 (find_fde): Fallback on linear search, if failed to sort array.
7629 (__deregister_frame_info): Only free sorted array, if we
7632 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7634 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
7636 1999-12-05 Jakub Jelinek <jakub@redhat.com>
7638 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
7640 1999-12-05 Mark Mitchell <mark@codesourcery.com>
7642 * tree.h (special_function_p): Declare.
7643 * calls.c (special_function_p): Make it global. Don't take `name'
7644 as a parameter. Fix typo in 1999-11-28 change.
7645 (expand_cal): Adjust.
7647 1999-12-04 Mark Mitchell <mark@codesourcery.com>
7649 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
7650 * tree.h (EXPR_WFL_FILENAME): Define in terms of
7651 EXPR_WFL_FILENAME_NODE.
7652 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
7654 * print-tree.c (print_note): Print TREE_PRIVATE and
7657 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
7658 the original die cannot be found.
7660 * varray.h (varray_head_tag): Add elements_used.
7661 (VARRAY_PUSH): New macro.
7662 (VARRAY_POP): Likewise.
7663 (VARRAY_TOP): Likewise.
7664 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
7666 * varray.c (varray_init): Initialize elements_used.
7667 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
7668 (INTEGRATE_H): New variable.
7669 (integrate.o): Depend on INTEGRATE_H.
7670 (unroll.o): Likewise.
7672 * function.h (insert_block_after_note): Declare.
7673 * function.c (insert_block_after_note): Split out from ...
7674 (retrofit_block): ... here.
7676 * stmt.c (expand_fixup): Fix typo in comment.
7678 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7680 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
7681 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
7682 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
7683 (regmove_optimize, fixup_match_1): Likewise.
7685 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7687 * flow.c (flow_loops_dump): Add missing argument when calling
7690 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
7691 Greg McGary <gkm@gnu.org>
7693 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
7694 (init_attributes): Add A_NO_LIMIT_STACK.
7695 (decl_attributes): Handle A_NO_LIMIT_STACK.
7696 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
7697 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
7698 Handle stack bounds checking.
7699 * flags.h (flag_stack_check): Use the word 'probe' rather than
7700 'check', because the flag doesn't actually cause any checking to
7702 * function.c (expand_function_start): Set
7703 current_function_limit_stack.
7704 * function.h (struct function): Add limit_stack.
7705 (current_function_limit_stack): Define.
7706 * invoke.texi (Code Gen Options): Document new options.
7707 * rtl.h: Declare stack_limit_rtx.
7708 * toplev.c (stack_limit_rtx): New variable.
7709 (decode_f_option): Handle new options -fstack-limit-register=REG,
7710 -fstack-limit-symbol=IDENT, -fno-stack-limit.
7711 (main): Add stack_limit_rtx as GC root.
7712 * tree.h (DECL_NO_LIMIT_STACK): New macro.
7713 (struct tree_decl): New member no_limit_stack.
7715 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
7717 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
7718 (conditional_trap+1): Get new mnemonic correct.
7719 (conditional_trap+2): New pattern for DImode traps.
7721 * config/m68k/m68k.c (output_function_prologue): Handle
7723 * config/m68k/m68k.md (trap): New insn.
7724 (conditional_trap): New insn.
7725 * md.texi (Standard Names): Document `trap' and
7727 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
7728 so a cc0 setter doesn't get emitted at some random place in the
7731 * config/i960/i960.md (trap): New insn.
7732 (conditional_trap): New expander.
7733 (conditional_trap+1, conditional_trap+2): New insns for signed
7735 * config/i960/i960.c (i960_function_prologue): Use
7736 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
7738 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
7739 Geoffrey Keating <geoffk@cygnus.com>
7741 * flags.h (warn_padded, warn_packed): Add global var decls.
7742 * toplev.c (warn_padded, warn_packed): Add global var defns.
7743 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
7744 * stor-layout.c (layout_record): Add local variable `type'
7745 to hold often-used TREE_TYPE (field). Add local variable
7746 `unpacked_align' to hold alignment that would be in force
7747 if no `packed' attribute were present. Warn if `packed' attribute
7748 is unnecessary, or even harmful. Warn when gcc inserts padding
7749 to satisfy alignment requirements of members. Use NULL_TREE
7750 when checking whether var_size is set.
7751 * invoke.texi: Document new flags.
7753 1999-12-03 Nathan Sidwell <nathan@acm.org>
7755 * frame.c (fde_split): Reimplement to avoid variable sized array.
7757 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7759 * combine.c (try_combine): Before fixing up LOG_LINKS for the
7760 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
7762 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
7764 * invoke.texi: Document the mips option -mno-crt0
7766 1999-12-02 Mike Karr <mkarr@mathworks.com>
7768 * cccp.c (argdata): Added free_ptr member.
7769 (macroexpand): Initialize free_ptr of each argument. When an
7770 argument's buffers are freed, if the argument's free_ptr corresponds
7771 to a buffer on the input stack, then return the free_ptr to that stack
7772 frame, otherwise, free it.
7773 (macarg): If an argument begins and ends on the same input stack level,
7774 then transfer the free_ptr of that buffer to the argument in case
7775 the stack is popped during the processing of a subsequent argument.
7777 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
7779 * loop.c (note_reg_stored): New function.
7780 (struct note_reg_stored_arg): New structure.
7781 (try_copy_prop): Change to be more conservative; only replace within
7782 one extended basic block and stop replacing if a store to the
7783 replacement reg is seen.
7785 1999-12-02 Nick Clifton <nickc@cygnus.com>
7787 * config/fp-bit.c: Initialise all fields of the NAN
7790 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
7793 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
7795 * i386.md (extend?f?f2): Force the input into a register, not
7798 1999-12-01 Jakub Jelinek <jakub@redhat.com>
7800 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
7802 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
7803 alternative because setting up 64bit constant is usually costly,
7804 especially when reload is in progress or completed.
7805 (movdf_const_intreg_sp64): Likewise.
7806 (movdf_const_intreg split): Fix building up constants when
7807 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
7809 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
7811 * combine.c (if_then_else_cond): Use const_true_rtx instead of
7812 const1_rtx for return values in EQ/NE comparison against (const_int 0)
7815 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
7816 (asm_file_start): Emit .am33 into assembly file when compiling for
7818 (print_operand_address): Handle POST_INC addresses.
7819 (can_use_return_insn, initial_offset): Check AM33 registers too.
7820 (expand_prologue): Check & save AM33 registers too.
7821 (expand_epilogue): Similarly.
7822 (secondary_reload_class): Handle AM33 specific secondary reloads.
7823 (output_tst): Emit efficient code for the AM33 too.
7824 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
7825 (TARGET_SWITCHES): Add -mam33 switch.
7826 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
7827 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
7828 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
7829 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
7830 (enum reg_class, REG_CLASS_NAMES): Likewise.
7831 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
7832 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
7833 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
7834 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
7835 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
7836 (HAVE_POST_INCREMENT): Define.
7837 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
7838 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
7839 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
7840 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
7841 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
7842 (zero_extend to SI from QI/HI): Likewise.
7843 (sign_extend to SI from QI/HI): Likewise.
7844 (mulsidi3, umulsidi3): New patterns for the AM33.
7845 (tstsi with zero extension from QI/HI): Add AM33 variants.
7846 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
7847 (return_internal_regs, store_movm): Handle new AM33 registers.
7848 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
7849 (LIBGCC, INSTALL_LIBGCC): Likewise.
7850 * invoke.texi: Document new flags.
7852 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
7854 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
7855 (addsi3_carry): Likewise.
7856 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
7857 (sbbsi3_carry): Likewise.
7858 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
7860 (test?i_1): Ensure that only one operand is memory.
7861 (conditional move patterns): likewise.
7862 (shift and rotate patterns): Rewrite to expander, add
7863 "binary_operator_ok" to the condition.
7865 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
7866 * i386.h (procesor_costs): Add movzbl_load field.
7867 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
7868 non-Q registers, accept DImode registers anywhere.
7870 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
7871 * i386.c (*_cost): Set value for movxbl_load field.
7873 * (addsi): New add to lea splitter.
7875 (lea to add/shift peep2): New.
7877 1999-12-01 Mark Salter <msalter@cygnus.com>
7879 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
7880 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
7881 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
7883 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7885 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
7886 * i386.md (movsi_xor): New.
7888 (movsi_1, movhi_1, movqi_1): Remove.
7889 (movsi_2): Rename to movsi_1.
7890 (movhi_2): Rename to movhi_1.
7891 (movqi_2): Rename to movqi_1.
7892 (movdi_1): Remove; remove splitter.
7893 (movdi_2): Rename to movdi_1.
7894 (divmodsi4 splitter): Do not emit clobbers for move patterns.
7895 (long move peep2): Do not create QI or HI mode mov0s
7896 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
7898 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
7901 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
7902 (abs?f2_if): Likewise.
7904 1999-11-30 Alex Samuel <samuel@codesourcery.com>
7906 * ggc.h (ggc_test_and_set_mark): New macro.
7907 (ggc_mark_rtx): Use ggc_test_and_set_mark.
7908 (ggc_mark_tree): Likewise.
7909 (ggc_mark_rtvec): Likewise.
7910 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
7912 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
7914 * dwarf2out.c (scope_die_for): Only handle types. Only search for
7916 (decl_scope_table): Just an array of trees now.
7917 (push_decl_scope): Simplify.
7918 (dwarf2out_init): Adjust.
7919 (local_scope_p): New fn.
7920 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
7921 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
7922 (gen_typedef_die): Likewise.
7923 (gen_lexical_block_die): Don't call push/pop_decl_scope.
7924 (gen_inlined_subroutine_die): Likewise.
7925 (gen_abstract_function): Set current_function_decl temporarily.
7926 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
7927 Handle block extern declarations. Don't call push/pop_decl_scope.
7928 (gen_decl_die): Fix logic for block externs.
7930 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7932 * calls.c (special_function_p): Remove `realloc' and add `strdup'
7933 to the list of functions which have attribute malloc by default.
7935 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7937 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
7938 integer constant does not match the traditional type, limit the
7939 warnings to cases where the base of the type is ten.
7941 * invoke.texi (-Wtraditional): Document it.
7943 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7945 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
7946 * rs6000.md: Only access a CONST_INT with INTVAL
7948 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
7950 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
7951 (compute_nearerout): Likewise.
7952 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
7953 size_t to unsigned long for formatting.
7955 1999-11-30 Jakub Jelinek <jakub@redhat.com>
7957 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
7958 Allow the user to override call-used/fixed state of %g2-5
7959 registers from the command line (with the exception of %g4 for
7961 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
7962 there is a higher chance of having a leaf function.
7963 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
7964 for ARCH64 which has %ccr register.
7965 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
7967 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
7968 insn accept into delay slot any insn which does not use %[ol]
7969 registers. Accept some LO_SUM and shift left by 1 for the normal
7971 (output_function_epilogue): Likewise.
7972 (epilogue_renumber): Added argument which inhibits any renumbering
7973 and just tests if the rtx does not use any %[ol] registers.
7974 (output_return): Reflect above change.
7976 1999-11-30 Jakub Jelinek <jakub@redhat.com>
7978 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
7979 aggregate passing for sizes <= 16 bytes.
7981 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
7983 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
7984 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
7985 * reload.c (find_dummy_reload): Likewise.
7986 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
7987 * reload1.c (reload_as_needed): Likewise.
7988 * stupid.c (stupid_find_reg): Likewise.
7989 * tm.texi (Obsolete Register Macros): Delete section.
7990 * gmicro.h: Remove all traces of the two macros.
7995 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
7997 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
7998 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
7999 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
8000 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
8001 units for the sparclite86x chip.
8002 (flush): Revert October 14th change; add SImode specifically.
8003 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
8004 * invoke.texi: Document it.
8006 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
8008 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
8009 psimode_truncation_operand.
8011 * config/mn10200/mn10200.c (psimode_truncation_operand): New
8012 function. Return true if the operand is either a MEM valid
8013 for a PSImode address or not a MEM at all.
8015 * config/mn10200/mn10200.md (truncsipsi2): Use
8016 psimode_truncation_operand.
8018 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8020 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
8021 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
8022 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
8023 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
8024 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
8025 (flow_loop_level_compute, low_loops_level_compute): Likewise.
8026 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
8027 * basic-block.h: Protect from multiple inclusion.
8028 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
8029 (struct loops, struct loop): Define structures.
8030 * sbitmap.c (sbitmap_a_subset_b_p): New function.
8031 * sbitmap.h: Protect from multiple inclusion.
8032 (sbitmap_a_subset_b_p): Add prototype.
8033 * Makefile.in (LOOP_H): New macro.
8034 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
8036 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
8038 * cppinit.c (CAT): The argument list of this macro may not contain
8041 1999-11-29 David S. Miller <davem@redhat.com>
8043 Move quantity tables and register equivalence chains into
8044 per-qty and per-register structure arrays respectively.
8045 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
8046 qty_const_insn, qty_comparison_code, qty_comparison_const,
8047 qty_comparison_qty): Delete, replace with...
8048 (qty_table): this structure table.
8049 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
8050 (reg_eqv_table): this structure table.
8051 (make_new_qty): Add argument MODE. Caller updated.
8052 Update to use qty_table and reg_eqv_table.
8053 (make_regs_eqv, delete_reg_equiv, insert_regs,
8054 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
8055 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
8056 cse_process_notes, cse_main, cse_basic_block): Likewise.
8058 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8060 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
8061 operation if C is negative.
8062 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
8063 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
8064 law for some divisions if constant is negative and change other
8065 divisions to the opposite rounding.
8067 * expr.c (store_constructor_field): If bit position is not multiple
8068 of alignment of TARGET's mode, use BLKmode.
8070 * expr.c (expand_expr_unaligned): Add more code from full case
8071 that is needed when OP0 is in a register.
8073 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8075 * dwarfout.c (field_byte_offset): Size can be zero if there was
8078 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8080 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
8081 (associate_trees): Delete unused var TEM.
8082 (extract_muldiv): Delete unused var CANCEL_P.
8084 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
8085 (target_isinf, target_isnan, target_negative): Add return types to
8086 function definitions.
8088 1999-11-29 Bruce Korb <autogen@linuxbox.com>
8090 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
8091 * fixinc/hackshell.tpl: ditto
8092 * fixinc/fixtests.c(double_slash_test): more C++ header testing
8093 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
8095 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8097 * reload.c (push_reload): When looking for a register to put into
8098 reg_rtx, make sure all hard regs in a multi-reg register are in the
8099 right class and nonfixed.
8101 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
8102 pending_read_insns, pending_write_insns, pending_read_mems,
8103 pending_write_mems, pending_list_length, last_pending_memory_flush,
8104 last_function_call, sched_before_next_call): Move static variables
8106 (bb_ prefixed versions): Replace with single array bb_deps.
8107 (struct deps): New structure.
8108 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
8109 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
8110 argument of type "struct deps *"; use that instead of global
8111 variables. All callers changed.
8112 (init_rgn_data_dependencies): Delete function.
8113 (init_rtx_vector): Delete function.
8114 (init_deps): New function.
8116 (free_pending_lists): Simplify, we always use the bb_deps array even
8117 if only one basic block.
8118 (compute_block_backward_dependences): Likewise.
8119 (schedule_region): Likewise.
8121 (propagate_deps): New function, broken out of
8122 compute_block_backward_dependences.
8123 (compute_block_backward_dependences): Use it.
8125 * alpha.md: Delete useless patterns that tried to work around
8126 register elimination problems.
8128 * unroll.c (loop_iterations): Don't abort if iteration variable
8131 From Joern Rennecke:
8132 * reload1.c (reloads_conflict): Reverse test comparing operand
8133 numbers when testing for conflict between output/outaddr reloads.
8135 1999-11-29 David S. Miller <davem@redhat.com>
8137 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
8139 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
8141 1999-11-28 Robert Lipe <robertl@cygnus.com>
8143 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
8144 table from .fini into .dtor.
8146 1999-11-28 Anthony Green <green@cygnus.com>
8148 * tree.h (struct tree_decl): Add malloc_flag.
8149 (DECL_IS_MALLOC): Define.
8150 * c-common.c (attrs): Add A_MALLOC attribute.
8151 (init_attributes): Add this attribute to the table.
8152 (decl_attributes): Handle malloc attribute.
8153 * calls.c (special_function_p): Check for the malloc attribute.
8154 * extend.texi (Function Attributes): Document malloc attribute.
8156 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
8158 * pa.md (reload shift-add patterns): Remove.
8160 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8162 * reorg.c (dbr_schedule) Print more statistics. Corrected
8163 problem when printing info when 3 delay slots are filled.
8165 1999-11-28 Jakub Jelinek <jakub@redhat.com>
8167 * combine.c (setup_incoming_promotions): Pass an outgoing
8168 regno to FUNCTION_ARG_REGNO_P which it expects.
8170 1999-11-28 Andreas Jaeger <aj@suse.de>
8172 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
8174 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
8176 * cccp.c (do_include): Avoid initialization of automatic variable.
8178 * integrate.c (mark_stores): Function definition made void, to match
8179 previous declaration.
8180 * regclass.c (dump_regclass): Ditto.
8181 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
8183 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8185 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
8186 known to be multiple of divisor.
8188 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
8190 * combine.c (try_combine): Add code to try to merge a set of a
8191 two-word pseudo to a constant with a setting of one of those words
8194 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
8195 (split_tree): Completely rework to make more general.
8196 (make_range, fold): Call negate_expr.
8197 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
8198 (fold, associate): Call new split_tree and associate_trees.
8199 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
8201 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
8203 * loop.c (try_copy_prop): Avoid GNU C extension.
8205 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8207 * except.c (init_eh_for_function): Still zero eh_return_context,
8208 eh_return_stack_adjust, and eh_return_handler.
8210 * except.h (eh_status): Adjust documentation for x_protect_list.
8211 (begin_protect_partials): New function.
8212 * except.c (enqueue_eh_entry): Fix formatting.
8213 (get_first_handler): Add consistency check.
8214 (add_partial_entry): Adjust usage of protect_list.
8215 (emit_cleanup_handler): Save and restore ehqueue.
8216 (expand_start_all_catch): Add comment.
8217 (begin_protect_partials): New function.
8218 (end_protect_partials): Adjust usage of protect_list.
8219 (init_eh_for_function): Use xcalloc.
8221 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8223 * c-common.c (check_format_info): Don't call a variadic function
8224 with a non-literal format string.
8226 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
8228 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
8229 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
8232 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
8235 * collect2.c (collect_wait): Likewise.
8237 * dbxout.c (dbxout_type): Likewise.
8239 * gcc.c (do_spec_1): Likewise.
8241 * genemit.c (gen_insn, gen_expand): Likewise.
8243 * genrecog.c (write_switch, write_subroutine): Likewise.
8245 * mips-tfile.c (catch_signal, botch): Likewise.
8247 * print-rtl.c (print_rtx): Likewise.
8249 * toplev.c (default_print_error_function, report_error_function,
8250 _fatal_insn): Likewise.
8252 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8254 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
8256 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8258 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
8259 operations when needed.
8260 * i386.md (fop_?f_comm): New.
8261 (fop_?f_1): Do not accept commutative operands.
8263 1999-11-25 Andreas Jaeger <aj@suse.de>
8265 * config/mips/mips.md (casesi_internal): Add missing brace.
8267 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
8269 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
8270 (splice_child_die): Handle moving a child DIE from the declaration
8271 DIE of a class to its specification.
8272 (gen_struct_or_union_type_die): Use 'complete' consistently.
8273 (gen_decl_die): Generate the virtual context DIE first.
8274 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
8276 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
8278 * config/mips/mips.md (call_value_multiple_interanal1): New.
8280 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
8282 * dwarf2out.c (free_AT, free_die): New fns.
8283 (remove_children): Call them.
8284 (output_line_info): Disable removal of duplicate notes.
8286 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
8287 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
8288 means pretend the type isn't defined.
8289 Don't defer emitting types.
8290 (gen_type_die_for_member): New fn.
8291 (gen_decl_die): Call it.
8292 (splice_child_die): New fn.
8293 (gen_member_die): Call it rather than generate duplicate dies.
8295 Defer emitting information for the abstract instance of an inline
8296 until we either inline it or emit an out-of-line copy.
8297 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
8298 from output_inline_function if DECL_ABSTRACT is also set.
8299 (block_ultimate_origin): Likewise.
8300 (gen_abstract_function): New fn.
8301 (gen_decl_die, gen_inlined_subroutine_die): Call it.
8302 (gen_subprogram_die): An abstract instance is not a declaration
8303 just because it doesn't match current_function_decl. Don't abort
8304 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
8305 has an abstract origin.
8306 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
8307 abstract instance here.
8309 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
8311 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
8312 where we need to reload fpul from a system register.
8314 1999-11-24 Andreas Jaeger <aj@suse.de>
8316 * config/mips/linux.h (CPP_PREDEFINES): Added.
8317 (LINK_SPEC): Remove -Y since this is only needed on sparc.
8319 1999-11-24 Andreas Jaeger <aj@suse.de>
8321 * config/mips/linux.h (TARGET_VERSION): Added.
8322 (HANDLE_SYSV_PRAGMA): Added.
8323 (DEFAULT_VTABLE_THUNKS): Added.
8325 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8327 * local-alloc.c (qty): New structure and static variable.
8328 (qty_phys_reg): Remove, all references changed to qty.
8329 (qty_n_refs): Likewise.
8330 (qty_min_class): Likewise.
8331 (qty_birth): Likewise.
8332 (qty_death): Likewise.
8333 (qty_size): Likewise.
8334 (qty_mode): Likewise.
8335 (qty_n_calls_crossed): Likewise.
8336 (qty_alternate_class): Likewise.
8337 (qty_changes_size): Likewise.
8338 (qty_first_reg): Likewise.
8339 (alloc_qty): Rename variable QTY to QTYNO.
8340 (finf_free_reg): Likewise.
8341 (local_alloc): Allocate qty, do not allocate the removed variables.
8343 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
8345 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
8346 when -membedded-pic is passed.
8348 * config/mips/mips.md (casesi): Handle 64-bit case too.
8349 (casesi_internal_di): New insn.
8351 * config/mips/mips.c (embedded_pic_offset): Always make the
8352 embedded-pic subtractions relative to the name of the current
8353 function by use of the magic string "..CURRENT_FUNCTION".
8354 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
8356 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
8358 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
8359 of (const_int 0), when what we really care about is
8360 whether it's a zero constant anyway.
8361 (div_trap_mips16): Likewise.
8363 1999-11-23 Mark Mitchell <mark@codesourcery.com>
8365 * loop.c (loop_optimize): Always find_loop_tree_blocks and
8366 unroll_block_trees when generating debuggable code.
8368 * tree.h (unsave_expr_1): New function.
8369 (lang_unsave): New variable.
8370 (get_callee_fndecl): New function.
8371 * tree.c (unsave_expr_now_r): New function.
8372 (lang_unsave): Define.
8373 (unsave_expr_1): Likewise.
8374 (unsave_expr_now_r): Split out from unsave_expr_now.
8375 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
8376 call unsave_expr_now_r.
8377 (get_callee_fndecl): Define.
8379 * Makefile.in (gencheck): Don't depend on lang_tree_files.
8380 (gencheck.o): Do depend on lang_tree_files.
8382 * integrate.h (copy_decl_for_inlining): New declaration.
8383 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
8384 (copy_decl_for_inlining): New function.
8385 (integrate_parm_decls): Use it.
8386 (integrate_decl_tree): Likewise.
8388 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
8390 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
8391 the second two from the first.
8392 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
8393 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
8394 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8396 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
8397 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8400 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
8402 * pa.md (call_internal_symref, call_value_internal_symref): No mode
8403 needed on the address operand.
8404 * pa.c (call_operand_address): Check for the correct mode.
8406 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
8408 * loop.c: Include "basic-block.h".
8409 (try_copy_prop, replace_loop_reg): New functions.
8410 (load_mems): Detect registers that just hold copies of the hoisted
8411 mem, and call try_copy_prop to eliminate them.
8412 * Makefile.in (loop.o): Update dependencies.
8414 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
8416 * Makefile.in (gencheck.o): Depend on gencheck.h.
8417 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
8418 (insn-peep.o): Depend on except.h and function.h.
8419 (insn-attrtab.o): Depend on RECOG_H.
8420 (insn-output.o): Depend on toplev.h and flags.h.
8421 (gengenrtl.o): Depend on real.h.
8422 (gen-protos.o): Depend on cpplib.h and cpphash.h.
8423 Unify all dependencies to be on RECOG_H rather than recog.h.
8425 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8427 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
8428 * configure.in: Try building a bi-arch 32/64-bit compiler on
8429 sparc-*-solaris2.7 and higher.
8430 * configure: Rebuild.
8432 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
8434 * config/freebsd.h: New, FreeBSD architecture independent file.
8435 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
8437 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
8438 directly by i386/freebsd.h.
8439 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
8440 independent configuration file.
8441 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
8442 directly by i386/freebsd.h.
8443 * configure: Rebuilt.
8445 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
8446 which is in the user's namespace.
8447 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
8448 `i386' which is not in our namespace.
8450 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
8452 * invoke.texi (ARM Options): Add in -mno-alignment-traps
8454 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8456 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
8457 (add_dwarf_attr, add_child_die): Just push onto the front.
8458 (reverse_die_lists): New fn.
8459 (add_sibling_attributes): Use it.
8460 (push_decl_scope): Reorganize.
8461 (add_name_and_src_coords_attributes): Don't set file and line for
8463 (gen_subprogram_die): An artificial function doesn't need to match
8465 (gen_compile_unit_die): Return the generated die. Only add
8466 AT_comp_dir if the filename is relative.
8467 (remove_AT): Simplify loop. Also free string values.
8468 (output_die): A DIE ref can't be null.
8469 (output_value_format, value_format): Take a dw_attr_ref.
8470 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
8471 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8472 AT_addr, AT_lbl): New fns.
8473 (various): Use them.
8474 (various): Constify.
8476 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8478 * combine.c (combine_simplify_rtx): When handling a SUBREG,
8479 take SUBREG_WORD into account.
8480 (if_then_else_cond): Likewise.
8482 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8484 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
8485 clause from BSD license, pursuant with
8487 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
8489 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
8491 * loop.c (load_mems): Reformat slightly.
8492 * basic-block.h (regset_head): New typedef.
8493 (INIT_REG_SET): New macro.
8495 1999-11-22 Bruce Korb <autogen@linuxbox.com
8497 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
8498 (mips-dec-bsd*): non-functional code
8499 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
8501 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
8502 added three replacement fixes
8503 (no_double_slash): removed comments that are not (any longer) pertinent
8504 (bad_lval): this fix currently runs against many files.
8505 The comment seems to indicate that we should select for files
8506 containing 'pragma extern_prefix'.
8508 * fixinc/fixinc.x86-linux-gnu: deleted
8509 * fixinc/inclhack.sh: regen
8510 * fixinc/fixincl.x: regen
8511 * fixinc/fixincl.sh: regen
8513 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
8515 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
8516 its code is INSN and it has no notes.
8518 1999-11-22 Andrew Haley <aph@cygnus.com>
8520 * varasm.c (function_defined): Remove.
8521 (make_function_rtl): Don't set function_defined.
8522 (make_decl_rtl): Remove global register warning.
8523 * regclass.c (no_global_reg_vars): New variable.
8524 (globalize_reg): Warn if function has already been defined.
8525 (regclass_init): Set no_global_reg_vars.
8527 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8529 * regclass.c (reg_pref): New structure and static variable
8530 (prefclass): Delete.
8532 (all uses of prefclass and altclass): Use reg_pref instead.
8534 1999-11-21 Nick Clifton <nickc@cygnus.com>
8536 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
8538 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
8539 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8540 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8542 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
8544 * varasm.c (output_constructor): Solve problem with long long
8545 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
8547 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8549 * global.c (allocno): New structure and static variable.
8550 (allocno_reg): Remove, all references replaced by allocno.
8551 (allocno_size): Likewise.
8552 (hard_reg_conflicts): Likewise.
8553 (hard_reg_preferences): Likewise.
8554 (hard_reg_copy_preferences): Likewise.
8555 (hard_reg_full_preferences): Likewise.
8556 (regs_someone_prefers): Likewise.
8557 (allocno_calls_crossed): Likewise.
8558 (allocno_n_refs): Likewise.
8559 (allocno_live_length): Likewise.
8560 (find_reg): Rename ALLOCNO to NUM.
8562 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
8564 (may_move_out_cost): New variable.
8565 (init_reg_sets_1): Initialize may_move_out_cost.
8566 (record_reg_classes): Use may_move_out_cost.
8568 * regclass.c (dump_regclass): New function.
8569 (regclass): New parameter DUMP, call DUMP_REGCLASS.
8570 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
8571 pass rtl_dump_file to regclass.
8572 * rtl.h (regclass): Update prototype.
8574 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8576 * i386.md (neg, not and abs patterns): Revmap to use
8577 ix86_expand_unary_operator and ix86_unary_operator_ok.
8578 (add?f and sub?f expanders): Force operand 1 to register.
8579 * i386.c (ix86_expand_unary_operator): Rewrite.
8580 (ix86_unary_operator_ok): Ensure that memory operands
8582 (ix86_binary_operator_ok): Do not allow operand 1 to
8583 come into memory and operand 0 not.
8584 (ix86_expand_binary_operator): Ensure that
8585 src1 is not non-matching memory.
8587 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
8588 to support integer registers and memory.
8589 (abss?2_integer): Likewise.
8591 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
8592 (REG_CLASS_NAMES): Likewise.
8593 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
8595 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
8596 (movsf): Likewise; unify 4th and 5th alternative.
8598 (movdf_1): Likewise; rename to movdf_integer.
8599 (pushxf): Likewise; rename to pushxf_integer; fix output template;
8600 remove redundant splitter.
8601 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
8602 (movdf_nointeger): New.
8603 (movxf_nointeger): New.
8604 (pushxf_nointeger): New.
8606 * i386.md (extend?f?f): Split to expander and pattern, refuse two
8607 memory operands in patterns.
8608 (fop*): Refuse two memory operands.
8610 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
8611 on !TARGET_USE_CLTD CPUs.
8613 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
8615 * extend.texi: Document C++ restricted pointers and references.
8617 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
8619 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
8620 (invalidate_skipped_set): Call it unconditionally.
8621 (cse_set_around_loop): Likewise.
8623 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8625 * rtl.texi (mem): Add documentation for alias-set argument
8628 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8630 * i386.h (struct_processor_costs): New fields int_load, int_store,
8631 fp_move, fp_load and fp_store
8632 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
8634 (MEMORY_MOVE_COST): New macro.
8635 * i386.c (386_cost): Define new fields.
8636 (i486_cost): Likewise.
8637 (pentium_cost): Likewise.
8638 (pentiumpro_cost): Likewise.
8639 (k6_cost): Likewise.
8641 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
8642 Geoffrey Keating <geoffk@cygnus.com>
8644 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
8646 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
8649 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
8650 (TARGET_STRICT_ALIGNMENT): New macro.
8651 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
8652 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
8653 * invoke.texi (M680x0 Options): Document -mstrict-align.
8655 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
8656 Richard Henderson <rth@cygnus.com>
8658 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
8659 (ix86_split_long_move): Declare.
8660 * i386.c (split_xf, ix86_split_movdi): Remove.
8661 (ix86_split_to_parts, ix86_split_long_move): New.
8662 * i386.md (dimode move splitters): Use ix86_split_long_move.
8663 (dfmode move splitters): Likewise.
8664 (xfmode move splitters): Likewise.
8665 (movsf_1): Allow F->r.
8666 (movdf_1, movxf_1): Allow F->ro.
8668 1999-11-17 Mark Mitchell <mark@codesourcery.com>
8670 * except.h (struct eh_entry): Add goto_entry_p.
8671 (eh_region_from_symbol): Remove prototype.
8672 * except.c (find_func_region_from_symbol): New function.
8673 (emit_cleanup_handler): Likewise.
8674 (eh_region_from_symbol): Make it static.
8675 (add_new_handler): Verify the argument.
8676 (find_func_region): Update comment.
8677 (expand_eh_region_end): Expand handlers here, rater than waiting
8678 until expand_leftover_cleanups or start_all_catch.
8679 (expand_leftover_cleanups): Don't expand here.
8680 (expand_start_all_catch): Or here.
8681 (expand_rethrow): Check the return value from find_func_region.
8682 * function.c (expand_function_end): Emit the catch_clauses.
8684 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
8686 * integrate.c (expand_inline_function): Add necessary check for NULL.
8688 1999-11-18 Nick Clifton <nickc@cygnus.com>
8690 * toplev.c (main): Correctly detect an unrecognised option.
8692 * cppinit.c (cpp_handle_option): Do not claim to have consumed
8693 a -f option if it has not been recognised.
8695 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
8697 * basic-block.h (update_life_extent): Remove trailing comma on
8698 enumeration type list.
8700 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8702 * varasm.c (output_constructor) Solved problem with long long
8703 bitfields. Corrected calculating this_time and shift. Also
8704 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
8706 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
8708 * flow.c (split_edge): Take looping structure into account when
8709 determining where to put the new block note.
8711 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
8713 * Makefile.in (ggc-none.o): Provide host specific version if
8716 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
8718 * cse.c (delete_trivially_dead_insns): Identify no-op insns
8719 containing subregs too.
8721 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8723 * invoke.texi: Add documentation for -muninit-const-in-rodata.
8724 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
8725 (TARGET_UNINIT_CONST_IN_RODATA): Define.
8726 (text_section): Add switches -munint-const-in-rodata and
8727 -mno-uninit-const-in-rodata.
8728 (ASM_OUTPUT_COMMON): Remove.
8729 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
8730 const objects should be placed in read-only data. Otherwise declare
8733 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
8735 * jump.c (jump_optimize_1): Revert last change.
8737 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
8739 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
8740 test if optimizing for size.
8742 1999-11-17 Mark Mitchell <mark@codesourcery.com>
8744 * Makefile.in (toplev.o): Depend on except.h.
8745 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
8747 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8749 * i386.md (divmodsi4): Rewrite to expander.
8750 (*divmodsi4_nocltd): New.
8751 (*divmodsi4_cltd): New.
8752 (divmodsi4 splitter): Handle the case when input comes in edx.
8753 (udivmodhi4): Do not use constraints in exander.
8754 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
8756 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
8758 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
8759 for the common case.
8761 1999-11-16 Jakub Jelinek <jakub@redhat.com>
8763 * explow.c (hard_function_value): Add outgoing argument.
8764 * expr.h (hard_function_value): Declare it.
8765 * calls.c (expand_call, emit_library_call_value): Update callers.
8766 * function.c (aggregate_value_p): Ditto.
8767 (diddle_return_value): Must look at the outgoing registers
8768 on archs with register windows.
8770 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
8772 * alpha.c (alpha_build_va_list): Use make_lang_type and
8773 initialize TYPE_NAME for the va_list record.
8775 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
8777 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
8779 * ggc.h (struct ggc_statistics): Rearrange elements for better
8780 packing on 64-bit hosts.
8781 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
8782 (compute_nearerout): Likewise.
8784 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
8786 * config/rs6000/rs6000.c (first_reg_to_save): Save
8787 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
8789 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
8791 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
8792 notion of nesting to find the DIE for a type or function.
8793 DIEs can go in limbo even if we got a context_die.
8794 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
8795 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
8797 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
8798 (gen_type_die): Writing out the context doesn't cause member class
8799 template instantiations to be written out as well.
8801 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
8803 * rs6000.h (ASM_OUTPUT_DEF): New.
8804 Based on proposed addition from David Edelsohn.
8806 1999-11-15 Robert Lipe <RobertLipe@usa.net>
8807 Bruce Korb <autogen@linuxbox.com>
8809 * fixinc/inclhack.def
8810 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
8811 (unixware7_byteorder_fix): added. Removes conflicts for new defs
8813 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
8814 (svr4_endian): enabled with SVR5
8815 (svr4_mkdev): simplified syntax and enabled with SVR5
8817 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
8819 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
8820 * configure: Rebuilt.
8821 * config/t-freebsd-thread: New file.
8823 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
8825 * i386.c (ix86_decompose_address): Verify the base is a REG
8826 before trying to examine its register number.
8828 * basic-block.h: Remove all #defines and prototypes related to
8830 (free_bb_mem, compute_preds_succs): Remove prototype.
8831 * rtl.h (free_bb_mem): Remove prototype.
8832 * flow.c (alloc_int_list_node); Remove function.
8833 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
8834 (compute_preds_succs, free_bb_mem): Likewise.
8835 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
8836 * toplev.c (rest_of_compilation): Likewise.
8837 * haifa-sched.c (build_control_flow): Use flow generated edge
8838 list to build the haifa specific edge list.
8839 (find_rgns): Use new CFG data structures instead of pred/succ lists.
8840 (schedule_insns): Do not build pred/succ lists anymore. Instead
8841 build the edge table.
8843 * basic-block.h (dump_bb_data): Remove declaration.
8844 * flow.c (dump_bb_data): Remove function.
8845 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
8846 (sbitmap_union_of_predsucc): Likewise.
8848 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
8849 argument. All callers changed.
8850 (delete_null_pointer_checks_1): No longer need to compute the
8853 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
8854 All callers changed.
8855 (pre_expr_reaches_here_p_work): Likewise.
8856 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
8857 * lcm.c (compute_laterin): Fix initialization of LATER.
8858 (compute_nearerout): Similarly for NEARER.
8860 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8862 * cse.c (set_nonvarying_address_components): Delete unused function.
8863 (refers_to_p): Likewise.
8865 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
8867 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
8870 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8872 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
8873 definition in do while (0).
8875 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
8877 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
8879 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
8881 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
8883 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
8885 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
8886 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
8887 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
8888 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
8890 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
8891 saved on the stack. Output more accurate stack frame statistics
8892 into assembler file.
8894 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
8896 * genextract.c (record_insn_name): New function.
8897 (get_insn_name): No longer a stub.
8898 (main): Call record_insn_name for each insn. After each label
8899 written, print the insn name in a comment.
8901 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8903 * output.h (const_section, init_section, fini_section): Add
8906 * alpha/elf.h (const_section): Delete declaration.
8908 * svr4.h (const_section): Likewise.
8910 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
8912 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
8913 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
8914 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
8916 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
8917 variable-sized array bounds.
8919 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
8921 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
8924 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8926 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
8927 addresses the same way GO_IF_LEGITIMATE_INDEX does.
8929 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8931 * cse.c (hash_arg_in_struct): Delete.
8932 (struct table_elt): Delete elt in_struct.
8933 (struct set): Delete elt src_in_struct.
8934 (merge_equiv_classes): Don't set either hash_arg_in_struct or
8935 the corresponding in_struct elts.
8936 (canon_hash): Likewise.
8937 (safe_hash): Likewise.
8938 (find_best_addr): Likewise.
8939 (record_jump_cond): Likewise.
8940 (cse_insn): Likewise.
8942 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
8944 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
8946 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
8949 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
8951 * function.c (diddle_return_value): Put back check that the DECL_RTL
8952 for the function is a register.
8954 * function.c (diddle_return_value): Use hard_function_value to
8955 get an rtx suitable for use in the USE/CLOBBER insn.
8957 * global.c (global_conflicts): Update comments.
8958 (record_conflicts): No need to record conflicts between pseudos here.
8960 1999-11-11 Bruce Korb <autogen@linuxbox.com>
8962 * fixinc/fixincl.c: Added verbose levels for status messages
8964 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8966 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
8967 operand as argument to expand_and or expand_binop.
8969 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
8971 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
8972 gcc_add_string_root.
8974 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
8976 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
8978 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
8980 * flow.c (compute_flow_dominators): Initially put all blocks on
8982 * lcm.c (compute_antinout_edge, compute_available): Similarly.
8983 * gcse.c (compute_cprop_avinout): Remove.
8984 (compute_cprop_data): Use compute_available.
8985 (delete_null_pointer_checks_1): Use compute_available.
8987 * basic-block.h (compute_available): Returns a void now.
8988 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
8989 to return a value anymore.
8990 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
8991 worklists. Fix boundary cases. Compute maximal solutions.
8992 (compute_laterin, compute_nearerout): Similarly.
8994 * dwarf2out.c (add_AT_location_description): Allow
8995 (mem (plus (pseudo) (...)) too.
8997 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
8999 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
9001 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
9002 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9004 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
9006 * gansidecl.h: Likewise.
9012 * toplev.h: Likewise.
9018 * varray.c: Likewise.
9020 * varray.h: Likewise.
9022 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
9024 * gcov.c (struct arcdata): Add hits and total, remove prob.
9025 (output_branch_counts): New.
9026 (process_args): Set output_branch_counts if -c.
9027 (calculate_branch_probs): Store hits and total instead of
9029 (output_data): Emit counts if output_branch_counts is true.
9030 * gcov.texi (Invoking Gcov): Document -c switch..
9032 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
9034 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
9035 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
9037 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
9039 * invoke.texi (C Dialect Options): Add missing builtins from
9041 * extend.texi (Other Builtins): Copy to this list.
9043 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9045 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
9046 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
9049 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
9051 * flow.c (compute_flow_dominators): No longer treat basic block 0
9052 or (n_basic_blocks - 1) specially. Clear the AUX field before
9053 starting computation of doms/pdoms. Fix initial state for pdoms.
9055 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9057 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
9058 match rtl.o's: added ggc.h and toplev.h
9059 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
9060 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
9061 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
9063 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
9065 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
9066 from HAVE_DOS_BASED_FILESYSTEM.
9067 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
9068 HAVE_DOS_BASED_FILESYSTEM.
9070 (split_directories): Only special-case DOS file names if
9071 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
9072 instead of explicit tests. Conditionalize on !VMS.
9073 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
9074 tests. Conditionalize on !VMS.
9075 (process_command): Only use make_relative_prefix if !VMS.
9076 (free_split_directories): Conditionalize on !VMS.
9077 (DIR_UP): Conditionalize on !VMS.
9079 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
9081 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
9083 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
9085 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
9088 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
9090 * invoke.texi (Environment Variables): Document relative path
9092 * gcc.c (DIR_UP): If not defined, define as "..".
9093 (standard_bindir_prefix): New static, holds target location to
9095 (split_directories): New function to split a filename into
9096 component directories.
9097 (free_split_directories): New function, release memory allocated
9098 by split_directories.
9099 (make_relative_prefix): New function, make a relative pathname if
9100 the compiler is not in the expected location.
9101 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
9102 can figure out an appropriate prefix from argv[0].
9103 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
9104 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
9105 STANDARD_BINDIR_PREFIX.
9107 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9109 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
9111 * config/c4x/c4x.h: Moved prototypes to c4x.h.
9112 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
9113 c4x_secondary_memory_needed) Delete.
9114 (fp_zero_operand): Add mode argument.
9116 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
9118 * reload1.c (reload_reg_free_for_value_p): Don't use a register
9119 that is in reload_reg_used.
9121 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
9123 * config/arm/arm-protos.h: New file: Prototypes for functions
9124 defined in arm.c and pe.c.
9125 * config/arm/arm.h: Fix compile time warnings.
9126 * config/arm/arm.c: Fix compile time warnings.
9127 * config/arm/pe.h: Fix compile time warnings.
9128 * config/arm/aout.h: Fix compile time warnings.
9130 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
9132 * config/m32r/m32r-protos.h: New file: Prototypes for functions
9135 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
9136 Add support for subtargets.
9137 Add prototypes for new predicates.
9138 Add scheduling macros.
9140 * config/m32r/m32r.c: Fix compile time warnings.
9141 (int8_operand): New predicate function.
9142 (reg_or_cmp_int16_operand): New predicate function.
9143 (extend_operand): New predicate function.
9144 (m32r_adjust_code): New scheduling function.
9145 (m32r_adjust_priorty): New scheduling function.
9146 (m32r_sched_init): New scheduling function.
9147 (m32r_sched_reorder): New scheduling function.
9148 (m32r_sched_variable_issue): New scheduling function.
9149 (direct_return): New codegen function.
9150 (m32r_not_same_reg): New rtl testsing function.
9152 * config/m32r/m32r.md: Fix compile time warnings.
9153 Add support for pre decrement and post increment memory
9158 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9160 * global.c (EXECUTE_IF_CONFLICT): Don't define.
9161 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
9162 (find_reg): Likewise.
9164 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
9166 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
9167 to avoid assembler errors.
9169 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
9171 * config/v850/v850-protos.h: New file: Prototypes for functions
9173 * config/v850/v850.h: Move prototypes to v850-protos.h
9174 * config/v850/v850.c: Move prototypes to v850-protos.h
9175 * config/v850/v850.md: Fix compile time warnings.
9177 * config/fr30/fr30-protos.h: New file: Prototypes for functions
9179 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
9180 * config/fr30/fr30.c: Fix compile time warnings.
9181 * config/fr30/fr30.md: Fix compile time warnings.
9183 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
9185 * tree.h (get_containing_scope): Declare it.
9186 * tree.c (get_containing_scope): New fucntion.
9187 (decl_function_context): Use it.
9188 * toplev.c (rest_of_compilation): Use get_containing_scope.
9190 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9192 * Makefile.in (rtl.o): Depend on toplev.h.
9194 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
9196 * cse.c (delete_trivially_dead_insns): Replace alloca with
9198 * except.c (update_rethrow_references): Likewise.
9199 (init_eh_nesting_info): Likewise.
9200 * function.c (identify_blocks): Likewise.
9201 * gcse.c (dump_hash_table): Likewise.
9202 * graph.c (print_rtl_graph_with_bb): Likewise.
9203 * loop.c (combine_movables): Likewise.
9204 (move_movables): Likewise.
9205 (count_loop_regs_set): Likewise.
9206 (strength_reduce): Likewise.
9207 * profile.c (compute_branch_probabilities): New function, split
9209 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
9210 * regclass.c (regclass): Likewise.
9211 * regmove.c (regmove_optimize): Likewise.
9212 * toplev.c (compile_file): Likewise.
9213 (main): Don't mess with the stack rlimit.
9215 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
9217 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
9218 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
9220 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
9222 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
9224 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
9226 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
9227 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
9230 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
9232 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
9234 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
9236 * gcse.c (post_dominators): Kill.
9237 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
9238 (compute_code_hoist_data): Use compute_flow_dominators. Do not
9239 pass in a pdom array since we do not need pdoms.
9240 * haifa-sched.c (schedule_insns): Similarly.
9241 * flow.c (compute_dominators): Remove dead function.
9242 (compute_flow_dominators): Do not compute doms or pdoms if the
9243 caller does not request them. Split up loop to build doms and
9244 pdoms. Use a worklist to compute doms and pdoms.
9245 * basic-block.h (compute_dominators): Remove prototype.
9247 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
9249 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
9250 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
9251 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
9252 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
9253 (cant_move, fed_by_spec_load, is_load_insn): Remove.
9254 (schedule_region): Remove unused variable.
9255 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
9257 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
9259 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
9260 (update_equiv_regs): Likewise.
9261 (block_alloc): Likewise.
9262 * reg-stack.c (reg_to_stack): Likewise.
9263 (convert_regs_2): Likewise.
9264 * reload1.c (reload_as_needed): Likewise.
9266 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
9268 * Makefile.in (dbxout.o): Depend on ggc.h.
9269 (dwarf2out.o): Likewise.
9270 (xcoffout.o): Likewise.
9271 * dbxout.c: Include ggc.h.
9272 (dbxout_init): Register lastfile as a root.
9273 * dwarf2out.c: Include ggc.h.
9274 (dwarf2out_line): Register lastfile as a root.
9275 * xcoffout.c: Include ggc.h.
9276 (xcoffout_source_line): Register xcoff_lastfile as a root.
9278 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
9280 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
9282 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
9284 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
9286 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9288 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9290 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
9291 (EXECUTE_IF_CONFLICT): Likewise.
9292 (ALLOCNO_LIVE_P): Avoid signed division.
9293 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
9294 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
9295 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
9297 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
9299 * haifa-sched.c (schedule_block): Don't crash if there's no
9300 next insn for an interblock movement.
9301 (add_branch_dependences): Don't allow clobber insns to move either.
9303 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
9305 * i386.c (split_xf): New.
9306 * i386-protos.h: Declare it.
9307 * i386.md (movxf_1): Add general regs alternatives.
9308 (movxf_1+1): New splitter for same.
9310 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
9312 * function.c (purge_addressof_1): Add missing return values.
9314 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
9316 * function.c (is_addressof): New function. Returns true if
9317 the given piece of RTL is an ADDRESSOF.
9318 (purge_addressof_1): Make boolean. Return false if the
9319 ADDRESSOFs could not be purged.
9320 (purge_addressof): If ADDRESSOFs could not be purged from the
9321 notes attached to an insn, remove the offending note(s),
9322 unless they are attached to a libcall.
9324 1999-11-05 Andreas Jaeger <aj@suse.de>
9326 * genoutput.c (null_operand =): Initialize all fields.
9328 * errors.h: Add extern to prototypes.
9330 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
9332 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
9333 * configure: Rebuilt.
9335 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9337 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
9338 (mirror_conflicts): New function.
9339 (global_alloc): Call it.
9340 (expand_preferences): Remove redundant CONFLICTP test.
9341 (find_reg, dump_conflicts): Likewise.
9342 (prune_preferences): Process conflicts one word at a time.
9344 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
9346 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
9347 instead of an explicit loop.
9349 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
9351 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
9352 if REG_RETVAL check succeeds, then put classp in src_elt.
9354 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
9356 * function.c (pad_to_arg_alignment): Only update argument_pad
9357 if the argument's alignment is greater than STACK_BOUNDARY.
9359 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
9361 * bitmap.h (BITMAP_XFREE): New.
9362 * flow.c (life_analysis): Use it.
9363 (life_analysis_1): Free blocks.
9365 * combine.c (undo_commit): New.
9366 (try_combine): Use it. Don't zap undobuf.undos.
9367 (combine_instructions): Don't zap undobuf.undos; free the
9370 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
9372 * stmt.c (cost_table_): New.
9373 (estimate_case_costs): Use it instead of xmalloc.
9375 * toplev.c (compile_file): Reuse dumpname memory instead
9378 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
9380 * reg-stack.c (convert_regs_1): Initialize target_stack->top
9381 after verifying an EH edge.
9383 * haifa-sched.c (init_rgn_data_dependences): Correctly
9384 size bb_pending_lists_length when zeroing.
9386 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
9388 * function.c (diddle_return_value): New.
9389 (expand_function_end): Use it.
9390 * stmt.c (expand_null_return): Likewise.
9391 (expand_value_return): Likewise.
9393 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
9395 * reload1.c (reload): Don't remove return value clobbers.
9397 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
9399 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
9401 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
9403 * cse.c (cse_main): Use xmalloc, not alloca.
9404 (cse_basic_block): Likewise.
9405 * local-alloc.c (local_alloc): Likewise.
9407 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
9408 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9410 * rtl.c: Include toplev.h.
9411 (fatal): Remove declaration.
9413 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
9415 * haifa-sched.c (schedule_block): Fix thinko.
9417 1999-11-03 James McKelvey <mckelvey@fafnir.com>
9419 * fixinc/fixincl.c(create_file): Allow for systems that do not have
9420 S_IR* defined values
9422 1999-11-03 Philippe De Muyter <phdm@macqel.be>
9424 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
9425 call `malloc' instead.
9427 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
9429 * flags.h (flag_renumber_insns): Declare.
9430 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
9432 * rtl.h (renumber_insns): Change prototype.
9433 * toplev.c (flag_renumber_insns): Define.
9434 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
9436 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
9438 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
9439 and fpsqrtd. Use them and create fdiv function unit to more
9440 accurately represent fpu sqrt pipeline semantics on UltraSparc.
9441 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
9443 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
9445 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
9447 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
9448 insn into ready list, do not use just a raw swap.
9450 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
9452 * rtl.h (renumber_insns): New function.
9453 (remove_unnecessary_notes): Likewise.
9454 * emit-rtl.c (renumber_insns): Define.
9455 (remove_unncessary_notes): Likewise.
9456 * toplev.c (rest_of_compilation): Remove dead code.
9457 Use renumber_insns and remove_unncessary_notes.
9459 * gcse.c (struct null_pointer_info): New type.
9460 (get_bitmap_width): New function.
9461 (current_block): Remove.
9462 (nonnull_local): Likewise.
9463 (nonnull_killed): Likewise.
9464 (invalidate_nonnull_info): Take a null_pointer_info as input.
9465 (delete_null_pointer_checks_1): New function.
9466 (delete_null_pointer_checks): Use it.
9468 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
9469 (split_edges): Likewise.
9470 (schedule_block): Likewise.
9471 (compute_block_backward_dependencies): Likewise.
9472 (schedule_region): Likewise.
9473 (schedule_insns): Likewise.
9475 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
9477 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
9478 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
9479 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
9480 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
9481 * jump.c (delete_unreferenced_labels): Don't delete if
9482 LABEL_ALTERNATE_NAME is set.
9483 * print-rtl.c (print_rtx): Dump alternate name.
9484 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
9485 * rtl.h (LABEL_ALTERNATE_NAME): Define.
9486 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
9487 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
9489 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9491 * fix-header.c (recognized_extern, recognized_function): Constify
9494 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
9495 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9496 (compute_available): Remove unused variable `last'.
9497 (compute_nearerout): Remove unused variable `temp_bitmap'.
9498 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9499 Remove unused variable `x'.
9501 * scan.h (recognized_function, recognized_extern): Constify a
9504 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
9506 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9508 * varasm.c (decode_rtx_const): Use XSTR to access the string
9511 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
9513 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
9515 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9517 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
9519 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
9521 * pa.c (ireg_operand): New function.
9522 * pa.h (PREDICATE_CODES): Handle ireg_operand.
9523 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
9524 Fix out of date comment.
9526 * pa.md (negdi2): Turn into expander + anonymous pattern.
9528 * reload.c (find_reloads): Fix typos in recent change.
9530 * dwarf2out.c: Do not include ctype.h.
9532 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9534 * regclass.c (record_reg_classes): Always use may_move_cost when
9535 seeing how operand fits with various register classes.
9537 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
9539 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
9540 * toplev.c: Revert Nov 1 13:22 change.
9542 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
9544 * config/pa/pa.md (height reduction patterns): Add checks for
9545 overlapping operands to avoid semantic-destroying splits for
9546 height reduction patterns.
9548 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9550 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
9551 have been an hyphen, fixed.
9552 * configure: Rebuilt.
9554 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
9556 * config/arm/tpe.h: Add prototypes for exported functions.
9557 * config/arm/pe.c: Fix compile time warnings.
9558 * config/arm/semi.h: Fix compile time warnings.
9559 * config/arm/arm.c: Fix compile time warnings.
9560 * config/arm/arm.h: Fix compile time warnings.
9561 * config/arm/arm.md: Fix compile time warnings.
9562 * config/arm/thumb.c: Fix compile time warnings.
9563 * config/arm/thumb.h: Fix compile time warnings.
9564 * config/arm/thumb.md: Fix compile time warnings.
9566 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
9568 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
9571 * unroll.c (unroll_loop): Remove LOOP notes when loop is
9572 completely unrolled.
9574 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9576 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
9578 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
9580 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
9581 * rtl.h (rtx_equal_p): Move prototype.
9582 * rtl.c (rtx_equal_function_value_matters): Move from
9584 (rtx_equal_p): Likewise.
9585 * rtlanal.c (rtx_equal_function_value_matters): Delete.
9586 (rtx_equal_p): Likewise.
9588 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
9590 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
9593 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
9595 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
9597 * pa.h (ADDR_VEC_ALIGN): Define.
9599 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
9600 notes when presented with "if (foo) break; end_of_loop" and
9601 the break sequence gets moved out of the loop.
9603 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
9604 Remove explicit zero initializations of entries within MAP.
9606 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
9608 * reg-stack.c (convert_regs_1): Handle EH edges specially.
9610 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
9612 * bitmap.h (BITMAP_XMALLOC): New macro.
9613 * flow.c (CLEAN_ALLOCA): Remove.
9614 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
9615 (life_analysis): Likewise.
9616 (update_life_info): Don't use CLEAN_ALLOCA.
9617 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
9618 (calculate_global_regs_live): Likewise.
9619 (print_rtl_with_bb): Likewise.
9620 (verify_flow_info): Likewise.
9621 * global.c (global_alloc): Likewise.
9622 (global_conflicts): Likewise.
9623 * integrate.c (save_for_inline_nocopy): Likewise.
9624 (expand_inline_function): Likewise.
9625 * jump.c (jump_optimize_1): Likewise.
9626 (duplicate_loop_exit_test): Likewise.
9627 (thread_jumps): Likewise.
9628 * loop.c (loop_optimize): Likewise.
9629 (combine_givs): Likewise.
9630 (recombine_givs): Likewise.
9631 * reorg.c (dbr_schedule): Likewise.
9632 * unroll.c (unroll_loop): Likewise.
9634 * combine.c (combine_instructions): Use xmalloc instead of alloca.
9636 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
9638 * toplev.c (rest_of_compilation): Don't optimize the CFG
9639 when rebuilding, just before dbr.
9641 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9643 * output.h (assemble_end_function, assemble_destructor,
9644 assemble_constructor, assemble_gc_entry, assemble_global,
9645 assemble_label, output_constant_pool) Constify a char*.
9647 * varasm.c (assemble_destructor, assemble_constructor,
9648 assemble_gc_entry, assemble_end_function, assemble_global,
9649 assemble_label, output_constant_pool): Likewise.
9651 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
9653 * config/arm/thumb.c (thumb_expand_prologue): Add comments
9654 explaining what is goin on in this function.
9656 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9658 * regclass.c (record_reg_classes): In matching case, recompute
9659 costs since the direction of movement is different.
9661 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
9663 * resource.c (mark_target_live_regs): For unconditional branches,
9664 the resources found at the branch target should be added to the
9665 resources found so far, not intersected.
9667 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
9669 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
9671 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
9672 (sys/mman.h): Include this file only if #HAVE_MMAP.
9673 (run_compiles): Initialize `esac_fmt' with one old KR string, not
9674 with automatically concatenated ANSI strings.
9676 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
9678 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
9679 (DIV_ROUND_UP): Robustify.
9680 (ggc_recalculate_in_use_p): New function.
9681 (release_pages): Don't inline it.
9682 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
9684 (ggc_pop_context): Use ggc_recalculate_in_use_p.
9685 (clear_marks): Always save in_use_p.
9686 (sweep_pages): Use ggc_recalculate_in_use_p.
9687 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
9688 Release pages before counting statistics.
9690 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
9692 * toplev.c (rest_of_compilation): Fix thinko in this change:
9694 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
9696 (rest_of_compilation): If inside an inlined external function,
9697 pretend we are just being declared.
9699 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
9701 * flow.c (calculate_global_regs_live): Fix thinko.
9703 * integrate.c (expand_inline_function): Fix bugs in previous
9704 change from Oct 28, 1999.
9706 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
9708 * stmt.c (expand_value_return): Fix typo in this change:
9710 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9711 (expand_value_return): Correctly convert VAL when promoting function
9712 return; support RETURN_REG being a PARALLEL.
9714 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
9716 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
9718 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9720 * hard-reg-set.h (reg_names): Constify a char*.
9722 * regclass.c (reg_names): Likewise.
9724 * regs.h (reg_names): Likewise
9726 * a29k/a29k.c (reg_names): Delete declaration.
9728 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
9730 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
9731 arc_output_function_epilogue): Likewise.
9733 * elxsi/elxsi.c (reg_names): Likewise.
9735 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
9737 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
9740 * m88k/m88k.c (output_function_profiler): Likewise.
9742 * sparc/sparc.c (sparc_flat_output_function_prologue,
9743 sparc_flat_output_function_epilogue): Likewise.
9745 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
9747 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
9748 warning from -Wuninitialized and put it under -W.
9749 * function.c (uninitialized_vars_warning): Warn only when the
9750 corresponding flag is set.
9752 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
9754 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
9755 is nonzero and the single set does not have an elt, then assign
9758 * simplify-rtx.c: New file.
9759 * Makefile.in (OBJS): Add simplify-rtx.o
9760 (simplify-rtx.o): Add dependencies.
9761 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
9762 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
9763 (cse_gen_binary, simplify_unary_operation): Delete.
9764 (simplify_binary_operation, simplify_plus_minus): Likewise.
9765 (check_fold_consts, simplify_relation_operation): Likewise.
9766 (simplify_ternary_operation): Likewise.
9767 (delete_trivially_dead_insns): Simplify the contents of the
9768 REG_EQUAL note before trying to substitute it into the source
9769 of the reg-reg copy at the end of a libcall sequence.
9771 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
9772 references/callers changed.
9774 * mn10200.c (mn10200_va_arg): Force the return value into a
9777 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
9779 * cccp.c (macroexpand): Avoid out of range accesses for omitted
9782 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
9784 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
9786 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
9788 * fold-const.c (fold): Fix thinko when optimizing comparisons
9791 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
9793 * gcc.texi (Passes): Update front-end files to their current
9796 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
9798 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
9799 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
9800 (PREDICATE_CODES): Add addition_operation.
9801 * alpha-protos.h (addition_operation): Declare.
9802 (secondary_reload_class): Likewise.
9803 * alpha.c (addition_operation): New.
9804 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
9805 * alpha.md (adddi3): Turn into expander.
9806 (*lda, *adddi_2): New.
9807 (movsf, movdf patterns): Don't preference integer regs.
9808 (movsi, movdi patterns): Don't preference fp regs.
9810 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
9812 * genrecog.c (write_switch): Check for duplicate CODE cases.
9814 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
9816 * ggc-common.c: Update pre-function commentary.
9817 * ggc-page.c: Likewise.
9819 (poison_pages): Use memset directly.
9820 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
9821 (ggc_collect): Poison before sweeping.
9822 * ggc-simple.c: Update pre-function commentary.
9823 (ggc_alloc_obj): Poison non-zeroed memory.
9825 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
9827 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
9828 match format string, even on 64-bit hosts.
9829 * gcc-page.c (ggc_page_print_statistics): Likewise.
9831 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
9833 * config/i386/i386.c (ix86_cpu): Revert last patch.
9834 * config/i386/i386.h (ix86_cpu): Ditto.
9836 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
9838 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
9839 TYPE_SIZE, convert type of result to sizetype.
9841 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
9843 * flow.c (count_or_remove_death_notes): Equate NULL with the
9846 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
9847 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
9850 * i386.c (pic_label_no): Delete.
9851 (ix86_attr_length_default): Don't use single_set to peek
9854 * recog.c (peephole2_optimize): Allow recog_next_insn to index
9855 the first insn after bb->end.
9856 * i386.md (push mem peeps): Scratch is live after evaluation
9858 (cmp mem peep): Similarly.
9860 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
9862 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
9863 * function.c (pad_to_arg_alignment): Add missing braces.
9865 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9867 * alpha/alpha-protos.h (literal_section): Add prototype.
9868 (alpha_need_linkage, alpha_start_function,alpha_end_function):
9871 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
9873 (alpha_start_function, alpha_end_function, float_strings,
9874 alpha_need_linkage): Constify a char*
9876 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
9878 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
9880 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9882 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9884 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9886 * flow.c (debug_flow_info): Add prototype.
9888 * gcc.c (main): Likewise.
9890 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
9893 * reload1.c (failed_reload, set_reload_reg): Likewise.
9895 * mips-tfile.c (main): Likewise.
9896 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
9897 with ATTRIBUTE_NORETURN.
9899 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
9901 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
9902 DECL is not a memory ref.
9904 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
9906 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
9907 * config/i386/i386.c (ix86_cpu): Add extern attribute.
9909 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
9911 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
9912 * config/mips/elf64.h: ditto.
9914 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
9916 * expr.c (emit_push_insn): New argument alignment_pad.
9917 Update all callers. Adjust stack pointer based on alignment pad.
9918 * function.c (pad_to_arg_alignment): New argument alignment_pad.
9919 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
9920 (locate_and_pad_parm): New argument alignment_pad. Update all
9922 * expr.h (emit_push_insn): Update prototype.
9923 (locate_and_pad_parm): Update prototype.
9924 * calls.c (arg_data): Add new field alignment_pad.
9925 (initialize_argument_information): Initialize alignment_pad.
9927 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
9929 * except.c (free_eh_nesting_info): Free the info itself.
9930 * function.c (free_after_compilation): Don't free NULL.
9931 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
9932 (pre_edge_insert): Free inserted.
9933 * stmt.c (free_stmt_status): Don't free NULL.
9935 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
9937 * gcov.c (DIR_SEPARATOR): Provide default.
9938 (output_data): Add test for MS-DOS format absolute filename.
9939 (fancy_abort): Correct program name.
9940 (open_files): Open all files in binary mode.
9941 * libgcc2.c (__bb_exit_func): Likewise.
9943 * profile.c (init_branch_prob): Specify binary when opening files.
9945 * flags.h (flag_unwind_tables): New decl.
9946 * toplev.c (flag_unwind_table): New definition.
9947 (f_options): Add -funwind-tables.
9948 (decode_g_option): Clarify warning when unknown -g option is given.
9949 (rest_of_compilation): If inside an inlined external function,
9950 pretend we are just being declared.
9952 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
9953 (dwarf2out_frame_finish): Likewise.
9955 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
9957 * fold-const.c (merge_ranges): If not in0, but in1, handle
9958 upper bounds equal like subset case.
9960 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
9962 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
9963 passed in a register but moved to the stack.
9965 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
9967 * gcc.c (pass_exit_codes, greatest_status): New variables.
9968 (struct option_map): Add entry for "--pass-exit-codes".
9969 (execute): Update greatest_status if error.
9970 (display_help): Add documentation for -pass-exit-codes.
9971 (process_command): Handle -pass-exit-codes.
9972 (main): Look at pass_exit_codes and greatest_status on call to exit.
9974 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9976 * reload.c (find_reloads): Refine test for no input reload
9977 case to not includes reloads emitted after insn.
9979 * function.c (find_temp_slots_from_address): Handle sum involving
9980 a register that points to a temp slot.
9981 (update_temp_slot_address): Make recursive call if both old and
9982 new are PLUS with a common operand.
9983 * calls.c (expand_call): Mark temp slot for result as having
9986 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
9988 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
9989 component as well as "BINUTILS".
9991 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
9992 * integrate.c (copy_rtx_and_substitute): Likewise.
9993 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
9994 All callers changed.
9995 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
9997 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
9998 gdb extensions, write size of type; also be more consistent
9999 in using references when this is a subtype.
10001 * pa.md (extv, extzv, insv): Use define_expand to reject constant
10002 that is out of range.
10004 * loop.c (unknown_constant_address_altered): New variable.
10005 (prescan_loop): Initialize it.
10006 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
10007 (invariant_p, case MEM): Remove handling for volatile and readonly;
10008 check new variable if readonly.
10009 (check_dbra_loop): Chdeck unknown_constant_address_altered.
10011 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
10012 (addr_affects_sp_p): Removed from note_mem_written and only
10013 define #ifdef AUTO_INC_DEC.
10015 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
10017 * regclass.c (record_reg_classes): Properly handle register move
10020 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
10021 Don't think valid if both operands are invalid.
10022 (struct constant_descriptor): New field RTL.
10023 (mark_const_hash_entry): Mark it.
10024 (record_constant{,_rtx}): Initialize it.
10025 (output_constant_def): Allocate RTL in permanent obstack and
10027 ({record,compare}_constant_1): Modes must match for
10028 CONSTRUCTOR of ARRAY_TYPE.
10030 * c-common.h (initializer_constant_valid_p): Delete decl from here.
10031 * output.h (initializer_constant_valid_p): Move decl to here.
10032 * c-common.c (initializer_constant_valid_p): Delete function from here.
10033 * varasm.c (initializer_constant_valid_p): Move function to here.
10035 * tree.h (STRIP_SIGN_NOPS): New macro.
10036 * fold-const.c (optimize_minmax_comparison): New function.
10037 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
10038 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
10039 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
10040 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
10041 widening conversions.
10042 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
10043 to look at size of mode, not precision of type; also add missing cases.
10044 (optimize_bit_field_compare, decode_field_reference): Don't try to
10045 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
10047 * dwarf2out.c (ctype.h): Include.
10048 (dwarf2out_set_demangle_name_func): New function.
10049 (size_of_line_info): Deleted.
10050 (output_line_info): Compute size of line info table from difference
10052 (base_type_die, add_name_attribute): Call demangle function, if any.
10053 (field_byte_offset): Use bits per word for variable length fields.
10054 (gen_array_type_die): Add array name.
10055 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
10056 (dwarf2out_add_library_unit_info): New function.
10058 * explow.c (set_stack_check_libfunc): New function.
10059 (stack_check_libfunc): New static variable.
10060 (probe_stack_range): Allow front-end to set up a libfunc to call.
10062 * combine.c (simplify_comparison): When making comparison in wider
10063 mode, check for having commuted an AND and a SUBREG.
10064 (contains_muldiv): New function.
10065 (try_combine): Call it when dividing a PARALLEL.
10066 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
10067 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
10069 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
10070 use one of the CLOBBERs instead.
10071 (if_then_else_cond): If comparing against zero, just return thing
10074 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
10075 Don't generate shifts and subtract if have conditional arithmetic.
10077 * rtl.h (delete_barrier): New declaration.
10078 * jump.c (jump_optimize): Set up to handle conditional call.
10079 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
10080 (delete_barrier): New function.
10082 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
10084 * recog.c (nonmemory_operand): Accept ADDRESSOF.
10086 * tree.c (build_type_attribute_variant): Push to obstack of
10087 ttype around type_hash_canon call.
10089 * expr.c (placeholder_list): Move decl to file scope.
10090 (expand_expr): Don't force access to volatile just because its
10092 If ignoring reference operations, just expand the operands.
10093 (expand_expr, case COMPONENT_REF): Propagate
10094 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
10095 Refine test for using bitfield operations vs pointer punning.
10096 (expand_expr, case CONVERT_EXPR): If converting to
10097 BLKmode UNION_TYPE from BLKmode, just return inner object.
10098 Use proper mode in store_field call.
10099 Properly set sizes of object to store and total size in store_field
10100 call for convert to union.
10101 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
10102 memory (like for ADDR_EXPR). Also, don't put constant in register if
10103 we'll want it in memory.
10104 (readonly_fields_p): New function.
10105 (expand_expr, case INDIRECT_REF): Call it if LHS.
10106 (expand_assignment): Handle a RESULT_DECL where
10107 DECL_RTL is a PARALLEL.
10108 (do_jump, case WITH_RECORD_EXPR): New case.
10109 (get_inner_reference): Always go inside a CONVERT_EXPR
10110 and NOP_EXPR if both modes are the same.
10111 (store_field): Use bitfield operations if size of bitsize is not same
10112 as size of RHS's type.
10113 Check for bitpos not a multiple of alignment in BLKmode case.
10114 Do block move in largest possible alignment.
10115 (store_constructor): Set BITSIZE to -1 for variable size and properly
10116 in case of array of BLKmode.
10117 (expand_expr_unaligned): New function.
10118 (do_compare_and_jump): Call it.
10120 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
10121 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
10122 does not include 'o'.
10124 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
10125 both SET_DEST and SET_SRC reference a virtual register.
10126 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
10128 * integrate.c (expand_inline_function): Handle case of setting
10129 virtual stack vars register (from built in setjmp); when parameter
10130 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
10131 (subst_constant): Add new parm, MEMONLY.
10132 (expand_inline_function, integrate_parm_decls): Pass new parm.
10133 (integrate_decl_tree): Likewise.
10134 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
10135 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
10136 (copy_rtx_and_substitute, case SET): Add explicit calls to
10137 copy_rtx_and_substitute for both sides.
10139 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
10141 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
10142 within INDEX_TYPE, instead of before.
10143 (fixup_gotos): Use f->target_rtl, not the next insn,
10144 since latter may be from a later fixup.
10145 (expand_value_return): Correctly convert VAL when promoting function
10146 return; support RETURN_REG being a PARALLEL.
10147 (expand_return): When checking for result in regs and having
10148 cleanup, consider PARALLEL in DECL_RTL as being in regs.
10150 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
10152 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
10153 last_nominal_fname): Mark const.
10154 (struct include_hash: name, nshort, control_macro): Mark
10156 (struct macrodef: symnam): Mark const.
10157 (struct if_stack: fname): Mark const.
10158 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
10159 (IStable): New character-syntax array which encompasses all
10160 the old is_foo arrays.
10161 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
10162 is_space): New macros for interrogating IStable.
10163 (check_macro_name): Kill last argument. All callers changed.
10165 * cppinit.c (initialize_char_syntax): Delete.
10166 (is_idchar, is_idstart, is_hor_space, is_space,
10167 trigraph_table): Delete.
10168 (IStable): New. Initialize with clever macros to avoid
10169 information duplication.
10170 (builtin_array): Table of builtins to get rid of explicit list
10171 in initialize_builtins.
10172 (initialize_builtins): Use builtins_array.
10173 (cpp_start_read): Call init_IStable, and set IStable['$'] if
10174 opts->dollars_in_ident.
10176 * cppexp.c: Change all refs to is_xyz[] arrays to use new
10178 (cpp_parse_expr): Avoid 'format string is not constant'
10179 warning. Use ISGRAPH to identify printable chars.
10180 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
10182 (read_and_prescan): Map trigraphs to chars with open-coded
10183 if-else-if-... sequence, not a lookup table.
10184 * cpphash.c: Change all refs to is_xyz[] arrays to use new
10186 * cpplib.c: Change all refs to is_xyz[] arrays to use new
10187 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
10188 (check_macro_name): Remove ability to report an invalid
10189 assertion name, which is never used.
10190 (do_line): Constify a couple of char *'s.
10191 * cppmain.c (main): Call cpp_cleanup before returning.
10193 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
10195 * ggc.h (struct ggc_statistics): New type.
10196 (ggc_get_size): New function.
10197 (ggc_print_statistics): Likewise.
10198 * ggc-common.c (ggc_stats): New variable.
10199 (ggc_mark_rtx_children): Keep statistics.
10200 (ggc_mark_tree_children): Likewise.
10201 (ggc_print_statistics): New function.
10202 * ggc-page.c (struct globals): Add bytes_mapped field.
10203 (alloc_anon): Update it.
10204 (release_pages): Likewise.
10205 (ggc_get_size): New function.
10206 (ggc_page_print_statistics): New function.
10207 * ggc-simple.c (ggc_get_size): New function.
10209 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
10211 * flow.c (propagate_block): When the last reference to a label
10212 before an ADDR_VEC is deleted because the reference is a dead
10213 store, delete the ADDR_VEC.
10215 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
10217 * resource.c (find_free_register): Don't use the frame pointer
10218 if frame_pointer_needed.
10220 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
10222 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
10223 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
10225 * config/i960/i960.c (i960_va_start): New locals base, num.
10226 Use INDIRECT_REF instead of ARRAY_REF on valist.
10227 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
10229 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
10231 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
10233 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
10235 * tree.def (PLACEHOLDER_EXPR): Update comments.
10237 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10239 * c-common.c (check_format_info): Avoid non-literal format string
10240 warnings when `first_arg_num' is zero.
10242 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10244 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
10246 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
10248 * arm.md (casesi_insn): Add a clobber of the condition code
10251 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
10253 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
10254 used by both cc1 and cc1plus.
10256 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
10258 * config/arm/arm.c: Initialise arm_structure_size_boundary to
10259 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
10260 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
10261 to the value 32 if it has not already been defined.
10262 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
10263 Override definition in arm.h with a value of 8.
10265 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
10267 * c-pragma.c (push_alignment): Don't check the return value
10270 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
10272 * sparc.h (ADJUST_COST): Fix thinko.
10274 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
10276 * cccp.c (rescan): Fixed obp pointer handling around call to
10277 check_expand subroutine.
10279 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
10281 * gcse.c (delete_null_pointer_checks): Only record non-null info
10282 for pseudos when examining stores.
10284 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
10285 splitters for these patterns. Use "#" for output templates.
10286 (addsi3_carryin_shift): New pattern.
10288 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
10290 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
10291 of the function return register into a plain REG until
10292 after function inlining is done.
10294 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
10296 * jump.c (jump_optimize_1): If we did cross-jumping, and
10297 the data will matter, rebuild the CFG.
10298 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
10299 not optimizing. Don't run shorten_branches.
10300 * toplev.c (rest_of_compilation): Run shorten_branches after
10303 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
10305 * rtl.h (note_stores): Add additional paramter.
10306 * rtlanal.c (reg_set_p_1): Take additional paramter.
10307 (reg_set_last_1): Likewise.
10308 (reg_set_p): Adjust call to note_stores.
10309 (reg_set_last): Likewise.
10310 (note_stores): Pass data parameter to worker function.
10311 * alias.c (record_set): Take additional parameter.
10312 (init_alias_analysis): Pass it.
10313 * caller-save.c (mark_set_regs): Take additional parameter.
10314 (save_call_clobbered_regs): Pass NULL to note_stores.
10315 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
10317 (record_dead_and_set_regs_1): Likewise.
10318 (reg_dead_at_p_1): Likewise.
10319 (combine_instructions): Adjust calls to note_stores.
10320 (try_combine): Likewise.
10321 (record_dead_insn): Remove.
10322 (record_dead_and_set_regs): Adjust calls to note_stores.
10323 (reg_dead_at_p): Likewise.
10324 * cse.c (invalidate_skipped_set): Take additional parameter.
10325 (cse_check_loop_start): Likewise.
10326 (cse_check_loop_start_value): Remove.
10327 (cse_set_around_loop): Adjust calls to note_stores.
10328 * flow.c (notice_stack_pointer_modification): Take additional
10329 parameter. Remove duplicate declaration.
10330 (record_volatile_insns): Adjust calls to note_stores.
10331 * gcse.c (record_set_info): Take additional parameter.
10332 (record_last_set_info): Likewise.
10333 (invalidate_nonnull_info): Likewise.
10334 (record_set_insn): Remove.
10335 (compute_sets): Adjust calls to note_stores.
10336 (last_set_insn): Remove.
10337 (compute_hash_table): Adjust calls to note_stores.
10338 (insert_insn_end_bb): Likewise.
10339 (delete_null_pointer_checks): Likewise.
10340 * global.c (mark_reg_store): Take additional parameter.
10341 (mark_reg_clobber): Likewise.
10342 (reg_becomes_live): Likewise.
10343 (global_conflicts): Adjust calls to note_stores.
10344 (build_insn_chain): Likewise.
10345 * integrate.c (note_modified_parmregs): Take additional parameter.
10346 (mark_stores): Likewise. Make it static.
10347 (save_for_inline_nocopy): Adjust calls to note_stores.
10348 (try_constants): Likewise.
10349 * integrate.h (mark_stores): Remove declaration.
10350 * jump.c (mark_modified_reg): Take additional parameter.
10351 (thread_jumps): Adjust calls to note_stores.
10352 * local-alloc.c (validate_equiv_mem_from_store): Take additional
10354 (no_equiv): Likewise.
10355 (reg_is_set): Likewise.
10356 (validate_equiv_mem): Adjust calls to note_stores.
10357 (update_equiv_regs): Likewise.
10358 (block_alloc): Likewise.
10359 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
10360 (note_addr_stored): Take additional parameter.
10361 (note_set_pseudo_multiple_uses): Likewise.
10362 (record_initial): Likewise.
10363 (prescan_loop): Adjust calls to note_stores.
10364 (strength_reduce): Likewise.
10365 (check_dbra_loop): Likewise.
10366 * regmove.c (flags_set_1): Take additional paramter.
10367 (mark_flags_life_zones): Adjust calls to note_stores.
10368 * reload1.c (mark_not_eliminable): Take additional parameter.
10369 (forget_old_reloads_1): Likewise.
10370 (reload_cse_invalidate_rtx): Likewise.
10371 (reload_cse_check_clobber): Likewise.
10372 (reload_combine_note_store): Likewise.
10373 (move2add_note_store): Likewise.
10374 (reload): Adjust calls to note_stores.
10375 (reload_as_needed): Likewise.
10376 (emit_reload_insns): Likewise.
10377 (reload_cse_regs_1): Likewise.
10378 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
10379 (reload_combine): Adjust calls to note_stores.
10380 * resource.c (update_live_status): Take additional paramter.
10381 (mark_target_live_regs): Adjust calls to note_stores.
10382 * stupid.c (find_clobbered_regs): Take additional parameter.
10383 (stupid_life_analysis): Adjust calls to note_stores.
10385 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
10387 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
10390 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
10393 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
10394 of the variable arm_structure_size_boundary.
10396 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
10398 * alias.c (init_alias_analysis): Allocate reg_known_value and
10399 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
10401 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
10402 * cse.c (cse_main): Call end_alias_analysis.
10403 * haifa-sched.c (schedule_insns): Likewise.
10404 * local-alloc. (update_equiv_regs): Likewise.
10405 * reload1.c (reload_cse_regs): Likewise.
10407 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10409 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
10410 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
10411 mapping from MASK_FPU.
10413 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
10415 * sparc.md (call): Don't bound structure return size to 0xfff.
10417 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
10419 * resource.c (mark_target_live_regs): Check that the target
10420 insn wasn't created after compute_bb_for_insn.
10422 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
10424 * ggc-page.c (poison_pages): Don't be overzealous.
10426 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
10428 * alias.c: Update comments for ADDRESS.
10429 (nonlocal_reference_p): Look inside the ADDRESS to determine if
10430 it is a local memory reference.
10432 * c-typeck.c (build_function_call): Check that the built-in
10433 function is of class BUILT_IN_NORMAL before trying to recongize
10434 it as BUILT_IN_ABS.
10435 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
10436 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
10438 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
10440 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
10442 (pre_gcse): Likewise.
10443 (hoist_expr_reaches_here_p): Likewise.
10444 (hoist_code): Likewise.
10445 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
10447 (pre_expr_reaches_here_p_work): ... here.
10448 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
10450 (expr_reaches_here_p_work): ... here.
10452 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
10454 * resource.c (find_basic_block): Delete.
10455 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
10456 (init_resource_info): Call compute_bb_for_insn.
10458 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
10460 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
10461 with already adjacent blocks, but no fallthru.
10462 (merge_blocks_move_successor_nojumps): Simplify.
10463 (debug_flow_info): New.
10465 * toplev.c (rest_of_compilation): Open jump1 dump file before
10466 jump and close after, as opposed to just using dump_rtl.
10468 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10470 * reload.h (earlyclobber_operand_p): Declare.
10471 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
10472 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
10473 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
10474 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
10476 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
10477 Richard Henderson <rth@cygnus.com>
10479 * emit-rtl.c (emit_block_insn_before): New.
10480 (emit_block_insn_after): New.
10481 * basic-block.h: Declare them.
10483 * bitmap.h: Protect from multiple inclusion.
10485 * recog.c (scratch_operand): Handle VOIDmode correctly.
10487 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
10489 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
10490 * function.c (assign_parms): Likewise.
10491 * global.c (global_conflicts): Clarify STACK_REGS commentary.
10493 * reg-stack.c (max_uid): Remove.
10494 (blocks, block_begin, block_end, block_drops_in): Remove.
10495 (block_stack_in, block_out_reg_set, block_number): Remove.
10496 (struct block_info_def, BLOCK_INFO): New.
10497 (enum emit_where): New.
10498 (current_block): New.
10499 (BLOCK_NUM): Remove.
10500 (mark_regs_pat, record_label_references): Remove.
10501 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
10503 (goto_block_pat, print_blocks, dump_stack_info): Remove.
10504 (reg_to_stack): Simplified test for existance of fp code. Use
10505 flow.c code. Call shorten_branches after cross-jump opt.
10506 (check_asm_stack_operands): Renamed from record_asm_reg_life.
10507 Return false if the asm doesn't use stack regs. Don't do life
10508 analysis on the asm.
10509 (emit_pop_insn): Replace function pointer arg `when' with
10510 enum `where'. Update all callers.
10511 (change_stack): Likewise. Update basic block end.
10512 (emit_swap_insn): Use current_block->head to limit reverse search
10513 for start of block. Use emit_block_insn_after.
10514 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
10515 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
10516 structure assignment instead of bcopy.
10517 (print_stack): New.
10518 (convert_regs_entry, convert_regs_exit): New.
10519 (convert_regs_1, convert_regs_2): Split out from convert_regs.
10520 Work on basic blocks and the CFG.
10521 (convert_regs): Use them.
10523 * i386.c (output_fix_trunc): Remove code for DImode input operand
10524 not at top-of-stack.
10525 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
10527 (fix_truncdi_1): Allow any mode scratch.
10529 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
10531 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
10532 * linux.h, netbsd.h, vms.h: Not here.
10534 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
10536 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
10537 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
10538 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
10539 CONDITIONAL_REGISTER_USEAGE): Use them.
10540 * config/mips/mips.c (mips_move_1word,mips_move_2words,
10541 gen_conditional_branch,override_options) : Use them.
10542 * config/mips/mips.md : Use them.
10544 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
10546 * i386.md (zero_extendqihi2): Use SImode register name with andl.
10548 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
10550 * integrate.c (function_cannot_inline_p): Don't allow inlining
10553 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10555 * c-parse.in (cast_expr): Constify.
10557 * cccp.c (special_symbol): Likewise.
10559 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
10561 * dwarf2out.c (base_type_die): Likewise.
10563 * global.c (allocno_compare): Likewise.
10565 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
10567 * regclass.c (fix_register): Likewise.
10569 * rtl.h (fix_register): Likewise.
10571 * stupid.c (stupid_reg_compare): Likewise.
10573 * toplev.c (decode_f_option): Likewise.
10575 * tree.c (build_complex_type): Likewise.
10577 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
10579 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
10581 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10583 * reload.c (find_reloads): Compute mode and nregs fields of all
10585 * reload1.c (calculate_needs_all_insns): Simplify a bit.
10586 (calculate_needs): Use precomputed mode/nregs values.
10587 (allocate_reload_reg): Likewise.
10589 (failed_reload, set_reload_reg): ... new functions.
10590 (choose_reload_regs_init): New function, mostly broken out from...
10591 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
10592 Also lose one #if 0 block.
10594 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
10596 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
10599 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
10601 * tree.h (BLOCK_TYPE_TAGS): Remove.
10602 (BLOCK_END_NOTE): Likewise.
10603 (BLOCK_LIVE_RANGE_FLAG): Likewise.
10604 (BLOCK_LIVE_RANGE_START): Likewise.
10605 (BLOCK_LIVE_RANGE_END): Likewise.
10606 (tree_block): Remove live_range_flag, live_range_var_flag, and
10607 type_tags. Remove end_note, live_range_start, and live_range_end.
10608 (remember_end_note): Remove prototype.
10609 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
10610 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
10612 * ggc-common.c (ggc_mark_tree_children): Don't mark
10613 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
10614 * integrate.c (adjust_copied_decl_tree): Remove.
10615 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
10616 * stmt.c (last_block_end_note): Remove.
10617 (init_stmt): Don't add a GC root for it.
10618 (expand_fixup): Don't set it.
10619 (remember_end_note): Remove.
10620 (expand_end_bindings): Don't set last_block_end_note.
10622 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10624 * reload1.c (reload_reg_free_for_value_p): Show
10625 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
10628 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
10630 * expmed.c (extract_bit_field): Allow for the case of non-integer
10631 objects that are smaller than a word (like SFmode on a 64-bit
10634 * loop.c (basic_induction_var): A non-integer variable which is
10635 being set by a paradoxical subreg is probably not a biv.
10637 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10639 * prefix.c (translate_name) Check for empty prefix string.
10641 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
10643 * Makefile.in (CPP_CROSS_NAME): New variable.
10644 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
10646 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
10647 names of the files to be uninstalled.
10649 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
10651 * collect2.c (IS_DIR_SEPARATOR): Define.
10652 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
10654 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
10657 * haifa-sched.c (add_dependence): Update the true dependency
10658 cache the first time we add a true dependence to the LOG_LINKS chain.
10660 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
10662 * fold-const.c (fold): Fix comment.
10664 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10666 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
10667 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
10668 dbxout_start_new_source_file, dbxout_source_file,
10669 dbxout_source_line, dbxout_finish, dbxout_type_fields,
10670 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
10672 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
10673 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
10674 (dbxout_block): Initialize variable `blocknum'.
10676 * dbxout.h (dbxout_init, dbxout_finish,
10677 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
10678 dbxout_args, dbxout_source_line): Constify a char*.
10680 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
10681 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
10682 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
10683 low_pc_attribute, high_pc_attribute, body_begin_attribute,
10684 body_end_attribute, comp_dir_attribute, sf_names_attribute,
10685 src_info_attribute, mac_info_attribute, producer_attribute,
10686 lookup_filename, generate_macinfo_entry, fundamental_type_code,
10687 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
10688 dwarfout_undef): Constify a char*.
10689 (add_incomplete_type, retry_incomplete_types): Add prototypes.
10691 * dwarfout.h (dwarfout_define, dwarfout_undef,
10692 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
10694 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
10696 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
10697 (MULTILIB_ISA_DEFAULT): New.
10698 (MULTILIB_DEFAULTS): Use it.
10699 * config/mips/mips.c (): Remove the now unnecessary definition
10700 of MIPS_ISA_DEFAULT.
10701 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
10702 unnecessary definition.
10704 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
10706 * arm.md (pic_load_addr): Add constraints to operand 1.
10708 1999-10-25 Bruce Korb <autogen@linuxbox.com>
10710 * fixinc/genfixes: Provide a means for specifying -D options to
10713 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
10715 * arm.c (arm_override_options): Correct initialization of
10716 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
10717 arm_is_strong, and arm_is_6_or_7.
10719 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
10720 (note_set_pseudo_multiple_uses): New function.
10721 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
10722 if a pseudo set in the loop exit is used elsewhere.
10724 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
10726 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
10728 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
10730 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
10731 a single load-address pattern.
10733 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
10735 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
10736 depending on whether or not line-number notes are present.
10738 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10740 * cccp.c (progname, file_buf, default_include, include_file,
10741 macrodef, definition, hashval, wchar_type, user_label_prefix,
10742 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
10743 expand_to_temp_buffer, is_system_include, base_name,
10744 absolute_filename, read_name_map, open_include_file,
10745 record_control_macro, check_precompiled, check_preconditions,
10746 pcfinclude, pass_thru_directive, create_definition,
10747 check_macro_name, comp_def_part, collect_expansion,
10748 check_assertion, read_token_list, assertion_install,
10749 assertion_lookup, eval_if_expression, conditional_skip,
10750 validate_else, skip_quoted_string, quote_string, macarg1,
10751 error_from_errno, install, lookup, hashf, dump_defn_1,
10752 perror_with_name, pfatal_with_name, main, trigraph_pcp,
10753 check_white_space, rescan, handle_directive, monthnames,
10754 special_symbol, do_include, remap_include_file, write_output,
10755 arglist, do_assert, do_unassert, do_line, do_error, do_once,
10756 do_ident, do_sccs, do_xifdef, skip_if_group,
10757 output_line_directive, macroexpand, macarg, change_newlines,
10758 initialize_builtins, make_definition): Constify a char*.
10760 * pcp.h (stringdef): Likewise.
10762 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
10764 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
10767 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
10768 Richard Henderson <rth@cygnus.com>
10770 * alias.c: Include ggc.h.
10771 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
10772 (record_set): Verify enough room in reg_base_value.
10773 (init_alias_analysis): Allocate reg_base_value with xcalloc.
10774 Register it as a GC root.
10775 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
10776 * Makefile.in (alias.o): Depend on ggc.h.
10778 * unroll.c (unroll_loop): Verify the insn before a barrier
10779 is a JUMP_INSN before checking JUMP_LABEL.
10781 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10783 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
10784 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
10785 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
10786 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
10787 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
10788 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
10790 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10792 * output.h (ctors_section, dtors_section, bss_section): Prototype.
10794 * alpha/alpha-interix.h (text_section): Delete prototype.
10795 * alpha/elf.h (text_section): Likewise.
10796 * arm/linux-elf.h (text_section): Likewise.
10797 * arm/linux-telf.h (text_section): Likewise.
10798 * c4x/c4x.h (text_section): Likewise.
10799 * dsp16xx/dsp16xx.h (bss_section): Likewise.
10800 * elfos.h (text_section): Likewise.
10801 * i386/aix386ng.h (text_section): Likewise.
10802 * i386/i386-interix.h (text_section): Likewise.
10803 * i386/sco5.h (text_section): Likewise.
10804 * i386/svr3gas.h (text_section): Likewise.
10805 * nextstep.h (text_section): Likewise.
10806 * psos.h (text_section): Likewise.
10807 * ptx4.h (text_section): Likewise.
10808 * svr3.h (text_section): Likewise.
10809 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
10811 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10813 * final.c (peephole): Delete prototype.
10815 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
10816 (pre_insert_copies): Remove unused variable `bb'.
10818 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
10821 * output.h (peephole): Add prototype.
10823 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
10825 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
10828 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
10830 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
10831 for inlined declarations.
10833 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
10835 * arm.c (logical_binary_operator): New fucntion.
10836 * arm.h (logical_binary_operator): Declare it.
10837 (PREDICATE_CODES): Handle logical_binary_operator.
10838 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
10839 output constraints. Add appropriate splitters.
10840 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
10841 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
10842 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
10844 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10846 * genoutput.c (struct operand_data): New elt eliminable.
10847 (output_operand_data): Write it.
10848 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
10849 (compare_operands): Take it into account.
10850 * recog.h (struct insn_operand_data): New elt eliminable.
10851 * reload1.c (check_eliminable_occurrences, elimination_effects): New
10853 (old_asm_operands_vec, new_asm_operands_vec): Delete.
10854 (eliminate_regs): Move code that detects changes to elimination
10855 target regs into new function elimination_effects.
10856 Delete one #if 0 block.
10857 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
10858 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
10859 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
10860 Only call eliminate_regs for real operands of the insn, not for parts
10861 of its structure or parts matched by things like match_operator.
10862 Use elimination_effects and check_eliminable_occurrences. Use
10863 copy_insn to duplicate the pattern when not in the final pass.
10865 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
10867 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
10870 1999-10-22 Bruce Korb <autogen@linuxbox.com>
10872 * fixinc/README: document the "mach" machine matching test
10873 * fixinc/fixfixes.c: Implement the #else/#endif label fix
10874 * fixinc/fixtests.c: Implement the #else/#endif label test
10875 * fixinc/inclhack.def: utilize these tests and fixes
10876 * fixinc/inclhack.sh: regen
10877 * fixinc/fixincl.x: regen
10878 * fixinc/fixincl.sh: regen
10880 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
10882 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
10885 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
10887 * gcc.1: Document exit codes.
10889 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10891 * calls.c: Include tm_p.h later, so everything we need is defined.
10892 * expr.c: Likewise.
10893 * function.c: Likewise.
10895 * except.c: Include tm_p.h.
10897 * sparc.c: Likewise.
10898 (dwarf2out_cfi_label): Don't prototype.
10899 (check_return_regs, epilogue_renumber,
10900 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
10901 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
10902 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
10903 ultra_schedule_insn): Add static prototype.
10904 (data_segment_operand, text_segment_operand): Call itself with the
10905 proper number of arguments.
10906 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
10908 * sparc.h: Move all declarations to sparc-protos.h.
10909 (SELECT_RTX_SECTION): Pass a missing MODE argument to
10912 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
10914 * config/svr4.h (text_section, ctors_section, dtors_section): Add
10916 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
10917 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10918 ASM_OUTPUT_ASCII): Constify a char*.
10920 * sparc-protos.h: New file for sparc prototypes.
10922 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10924 * function.c (record_insns, contains): Always declare and define.
10925 (record_insns): Mark with ATTRIBUTE_UNUSED.
10927 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
10929 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
10930 to .section when outputting a .bss section to deal with multiple
10931 .bss input sections (as happens with -fdata-sections)
10932 Also output %progbits, not @progbits so the assembler doesn't treat as
10934 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
10936 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
10937 thumb parts even when building with non-thumb CPUs, by forcing
10940 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
10942 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
10943 (movdf_const_intreg_sp64): Similarly.
10945 * local-alloc.c (update_equiv_regs): Check the correct insn
10946 for pre-existing REG_EQUIV notes.
10948 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
10950 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
10951 block reached by a branch if we're not going to actually process
10954 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
10956 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
10957 a local extern function declaration.
10959 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
10961 * i386.c (ix86_expand_prologue): Properly wrap USE around
10962 reg for CALL_INSN_FUNCTION_USAGE.
10964 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
10966 * config/mips/mips.md (movdf_internal1a): Allow floating-point
10967 move between GP_REGs.
10969 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
10971 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
10972 the mode size when finding out if an offset is legal.
10974 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
10976 * basic-block.h (PROP_*): Move constants from ...
10977 * flow.c: ... here.
10978 (compute_bb_for_insn): Free the array before reallocating.
10979 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
10980 (allocate_reg_life_data): Reset all reg variables collected by
10982 (get_block_head_tail): Don't convert from bb to block.
10983 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
10984 (find_insn_reg_weight): Take block not bb.
10985 (schedule_block): Don't set block num for moved insns.
10986 (schedule_region): Don't update_life_info or find_insn_reg_weight.
10987 (schedule_insns): Do it here instead.
10988 * combine.c (combine_instructions): Invoke compute_bb_for_insn
10989 before update_life_info.
10990 * recog.c (split_all_insns, peephole2_optimize): Update for
10991 new arg to update_life_info.
10992 * rtlanal.c (remove_note): Cope with NULL note.
10993 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
10996 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
10998 * jump.c (jump_optimize_1): More accurately detect casesi insns.
11000 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
11001 block records so that merge_blocks_nomove will clean up correctly.
11002 (split_edge): Handle casesi insns.
11004 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
11006 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
11008 * pa.md (call, call_value): Do not emit a blockage after restoring
11011 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
11013 * c-typeck.c (c_expand_asm_operands): Fix typo.
11015 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11017 * arm.c (fpu_rhs_operand): Verify modes.
11018 (fpu_add_operand): Likewise.
11019 (di_operand): Likewise.
11020 (soft_df_operand): Likewise.
11022 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
11024 * arm.c (arm_return_in_memory): APCS rules state that the elements
11025 of a structure returned in a register must be 'integer-like'.
11027 1999-10-19 Bruce Korb <autogen@linuxbox.com>
11029 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
11030 in the source tree when the generated targets are out of date
11031 * fixinc/genfixes: Alter it to run individual fixes for make.
11032 * fixinc/README: rewrite
11033 * fixinc/inclhack.def: moved initial comments to README
11035 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
11037 * toplev.c (main): Do not generate an error message if an
11038 unrecognised command line switch is recognisable by another
11039 language. If extra_warnings are enabled, then generate a
11040 warning message instead.
11042 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
11044 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
11045 (insert_pack_attributes): Delete prototype.
11047 * c-pragma.c (default_alignment): New static variable.
11048 (push_alignment): Initialize to current effective alignment.
11049 (pop_alignment): Use to set new alignment.
11050 (insert_pack_attributes): Delete function.
11051 (handle_pragma_token): Set default_alignment as well each time
11052 a #pragma pack(<n>) is encountered.
11054 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
11056 * reg-stack.c (stack_result): Aggregates are not returned in
11059 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
11061 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
11063 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
11065 * basic-block.h (set_block_num): Declare.
11066 * flow.c (update_life_info): Don't call compute_bb_for_insn
11067 or free_basic_block_vars.
11068 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
11069 (insn_orig_block): Remove.
11070 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
11071 (schedule_block): Keep BLOCK_NUM up-to-date.
11072 (schedule_insns): Use compute_bb_for_insn.
11073 * recog.c (split_all_insns): Likewise.
11074 (peephole2_optimize): Likewise.
11076 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
11078 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
11079 if the pic register is used.
11081 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11083 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
11084 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
11085 if that tests TREE_PERMANENT.
11087 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
11089 * cse.c (invalidate_for_call): Do not remove memory references from
11090 the table here. It's handled elsewhere.
11092 * haifa-sched.c (add_dependence): Protect references to the
11093 true dependency cache with #ifdef INSN_SCHEDULING.
11094 (remove_dependence): Similarly.
11096 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
11097 to the cfg code that this is a return instruction.
11098 * mn10300.md (return_internal): Similarly.
11100 * combine.c (get_last_value): If the last set of a register
11101 is after subst_low_cuid, then we can not use it to determine
11102 the register's last value.
11104 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11106 * Makefile.in: Back out previous change.
11108 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
11110 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
11112 * haifa-sched.c (add_dependence): Only check/update the cache
11114 (remove_dependence): Likewise.
11115 (schedule_insns): Only create the true_dependency_cache if the
11116 average number of instructions in a basic block is very large.
11118 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11120 * Makefile.in (ggc-common.o): Depend on genrtl.h.
11121 (ggc-simple.o): Likewise.
11122 (ggc-page.o): Likewise.
11124 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
11126 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
11127 Prototype for exported functions.
11128 (pre_lcm, pre_rev_lcm): Remove prototypes.
11129 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
11130 (compute_available): Move to lcm.c, and change parameter order.
11131 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
11132 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
11133 (gcse_main): No longer call compute_preds_succs. Rebuild the
11134 set table after reach pre pass.
11135 (pre_insert_map, pre_delete_map, edge_list): New.
11136 (alloc_pre_mem): Allocate edge vectors.
11137 (free_pre_mem): Delete edge vectors.
11138 (compute_pre_data): Call new edge based lcm routines.
11139 (process_insert_insn): New function.
11140 (insert_insn_end_bb): Use it.
11141 (pre_edge_insert): New function.
11142 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
11144 (pre_insert_copies): Revamp using new edge based lcm outputs.
11145 (pre_delete): Likewise.
11146 (one_pre_gcse_pass): Insert & remove fake edges to the exit
11148 (compute_code_hoist_vbeinout): New new edge based routines.
11149 * lcm.c: Remove all the old LCM functions. Replace with new ones
11150 that work with the new cfg datastructures and work with edges
11153 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11155 * reload.h (struct reload): Add new fields "mode" and "nregs".
11156 * reload1.c: Change all occurrences of reload_mode and reload_nregs
11157 to reference the "mode" and "nregs" field within struct reload.
11159 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
11161 * haifa-sched.c (true_dependency_cache): New.
11162 (add_dependence): Use the true dependency cache to avoid expensive
11163 walks down the LOG_LINKS dependency list. Add entries to the
11164 cache as necessary.
11165 (remove_dependence): Remove entries from the true dependency cache
11167 (schedule_insns): Allocate and initialize and free the true
11170 * haifa-sched.c (schedule_insns): Do not remove inter-block
11171 dependencies anymore.
11173 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
11175 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
11176 * i386/t-winnt: Likewise.
11178 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
11180 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
11182 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
11184 * Makefile.in (LANGUAGES): Omit "proto".
11185 (clean): Remove stale comment about removing unprotoize.c.
11187 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11189 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
11190 using arithmetic on void pointers.
11192 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
11194 * haifa-sched.c (compute_block_forward_dependencies): Only check
11195 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
11197 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
11199 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
11200 (expr_equiv_p): Reject memories with different alias sets.
11202 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
11204 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
11205 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
11206 (f_options): Add "bounded-pointers" and "bounds-check" entries.
11207 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
11208 (lang_init): Set default for flag_bounds_check if still "unspecified".
11210 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11212 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
11214 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11216 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
11219 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11221 * config/c4x/c4x.md (*db_noclobber,
11222 *decrement_and_branch_until_zero_noclobber): New patterns and
11223 associated splitters.
11225 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11227 * config/c4x/c4x.md (parallel instruction patterns): Rework
11228 constraints to keep reload happy.
11230 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11232 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
11233 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
11234 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
11235 Add new patterns and associated post-reload splitters.
11237 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11239 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
11241 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11243 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
11245 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
11247 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11249 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
11252 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
11254 * pa.c (move_operand): Rely on memory_address_p to determine the
11255 validity of non-indexed memory addresses.
11256 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
11257 operand in DFmode and SFmode when generating PA2.0 code.
11259 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
11261 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
11263 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
11265 * mips.c (function_prologue): Fix argument types.
11266 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
11267 (casesi_internal): Write to the scratch register.
11269 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
11271 * cppexp.c (cpp_parse_escape): Make static. Change second arg
11273 (parse_charconst): Delete unnecessary cast when calling
11275 (cpplib.h): Kill prototype of cpp_parse_escape.
11277 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
11279 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
11280 * unroll.c (unroll_loop): Cast return value of alloca.
11281 * i370/i370.c: Include function.h and toplev.h.
11282 (i370_label_scan): Remove c++ commented abort.
11283 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
11284 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
11285 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
11286 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
11288 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
11290 * config/t-freebsd: Do not override USER_H.
11291 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
11293 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
11294 Mumit Khan <khan@xraylith.wisc.edu>
11296 * c-parse.in (component_decl): Support anonymous struct/union.
11298 * c-parse.y: Regenerate.
11299 * c-parse.c: Likewise.
11300 * objc/objc-parse.y: Likewise.
11301 * objc/objc-parse.c: Likewise.
11302 * c-decl.c (finish_struct): Don't sort the fields.
11303 (field_decl_cmp): Delete unused function.
11305 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
11307 * sparc.md (movsf_const_intreg): Revert last constraint change.
11308 (movdf_const_intreg_sp32): Likewise.
11310 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
11312 * cse.c: Include hashtab.h instead of splay-tree.h
11313 (struct cse_reg_info): No longer use variant union. Add new
11314 field "regno". All references changed to avoid union.
11315 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
11316 (free_cse_reg_info): Remove.
11317 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
11318 (get_cse_reg_info): Revamp to use expandable hash tables instead
11319 of splay trees. Initialize new fields in cse_reg_info structure.
11320 (new_basic_block): Similarly.
11322 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
11324 * genrecog.c (message_with_line): Prototype.
11325 (validate_pattern): Pass along the set for the dest, not a flag.
11326 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
11327 Check for PC/CC0 as sources.
11328 (nodes_identical): Check for children position match before
11329 allowing the combination.
11331 * rtl.c (read_rtx): Track line number across \\\n.
11333 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
11335 * mips.h (SPECIAL_MODE_PREDICATES): New.
11336 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
11337 (movdi+1, movsi+1): Add output reload constraint.
11338 (casesi_internal): Likewise. Fix commentary.
11339 (return_internal): Use pmode_register_operand.
11341 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
11343 * 1750a.md (movstrqi): Add missing output reload constraint.
11344 (call_value): Likewise.
11345 * a29k.md (cpxxx patterns): Add missing match_operator mode.
11346 (jmpfdec): Add missing inout reload constraint.
11347 * elxsi.md (addsi patterns): Add missing output reload constraint.
11348 (move from sp): Use @ alternates.
11349 (call_value): No constraint on output.
11350 * fr30.md (movsi_pop): Add missing output reload constraint.
11351 (movsf_constant_store): Likewise.
11352 (splits): Remove constraints.
11353 (subsi3): Add missing mode.
11354 * i370.md (cmpstrsi+1): Add missing output reload constraint.
11355 (call_value): Likewise.
11356 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
11357 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
11358 * m32r.md (movsicc_internal): Add output reload constraint.
11359 (movstrsi_internal): Add inout reload constraints.
11360 * m88k.h (reg_names): Don't declare.
11361 (SPECIAL_MODE_PREDICATES): New.
11362 * m88k.md (*): Use register_operand not reg_or_0_operand
11364 * mn10200.h (PREDICATE_CODES): New.
11365 * ns32k.md (ffs pattern): Add output reload constraint.
11366 * pdp11.md (sob pattern): Add inout reload constraint.
11367 * sh.md (splits): Remove constraints.
11368 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
11369 * v850.md (pattern_is_ok_for_epilogue): Likewise.
11370 * vax.md (jgequ pattern): Add inout reload constraint.
11372 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
11374 * configure.in (djgpp): Revert previous patch.
11375 * configure: Rebuit.
11376 * config/i386/djgpp.h: Revert previous patch.
11378 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
11380 * fixinc/inclhack.def: Restore patch lost during last merge of
11381 "no_bogosity" branch.
11382 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
11384 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
11386 * fixincludes: Add a HPUX 11 fix for inttypes.h.
11387 * fixinc/inclhack.def: Same.
11388 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
11390 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
11392 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
11393 as the base of a PLUS.
11395 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11397 * config/c4x/c4x.md: Define mode for remaining unspec operators.
11398 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
11400 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
11402 * pa.md (post_stw+1): Use pmode_register_operand.
11403 (dcacheflush, icacheflush): Likewise.
11405 * i386.md (movstricthi_1): Allow r/r.
11407 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
11409 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
11410 to (not (and (arg0) (arg1))). Similary for and.
11412 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
11413 fallthrough to associate code.
11414 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
11417 * combine.c (simplify_logical): Convert XOR to IOR if operands have
11418 no bits in common; remove XOR to ROTATE conversion.
11420 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11422 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
11424 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11426 * config/c4x/c4x.c (dst_operand): New.
11427 (PREDICATE_CODES): Update.
11428 * config/c4x/c4x.h (dst_operand): Declare it.
11429 * config/c4x/c4x.md: Define mode for each unspec usage.
11430 (move patterns): Use dst_operand predicate instead of src_operand.
11431 (movqi_update, movqf_update): Delete.
11433 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
11435 * recog.c (pmode_register_operand): New.
11436 * recog.h: Declare it.
11437 * genrecog.c (pred_codes): Likewise.
11438 (special_mode_pred_table): Likewise.
11439 (validate_pattern): Don't warn no mode for address_operand.
11441 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
11442 if the operand is not insn-like.
11444 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
11445 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
11447 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
11449 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
11451 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
11452 instead of general_operand in a SET_DEST. Use const_double_operand
11453 instead of an explicit test against CONST_DOUBLE.
11454 (movsf_const_lo): Add missing register mode.
11455 (goto_handler_and_restore): Add auxiliary test for Pmode.
11456 (flush): Adjust to use address_operand.
11457 (return_sf_no_fpu): Add missing output constraint.
11459 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
11461 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
11462 for call return value.
11463 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
11465 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
11467 * toplev.c (main): Only warn about options for other languages.
11468 * collect2.c (main): Pass -w to sub-gcc.
11470 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
11472 * flow.c (propagate_block): Add call-clobbered registers to
11475 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
11476 zapping mem_set_list.
11477 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
11478 (mark_set_1, mark_used_regs): Likewise.
11480 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
11482 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
11484 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11486 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
11487 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
11488 options. Also add a new item "C-only Warning Options" to the
11491 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
11493 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
11494 from multiple calls.
11496 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
11498 * i386.md (call value patterns): Move to the end of the file.
11499 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
11501 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
11503 * configure.in (djgpp configuration): Define extra_objects..
11504 * configure: Rebuilt.
11505 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
11506 (DTORS_SECTION_ASM_OP): Define.
11507 (INIT_SECTION_ASM_OP): Define.
11508 (FINI_SECTION_ASM_OP): Define.
11509 (DATA_SECTION_ASM_OP): Define.
11510 (TEXT_SECTION_ASM_OP): Define.
11511 (EH_FRAME_SECTION_ASM_OP): Define.
11512 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
11513 (STARTFILE_SPEC): Add crtbegin.o.
11514 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
11515 to here from LINK_COMMAND_SPEC.
11516 (DO_GLOBAL_CTORS_BODY): Define.
11517 (CRTSTUFF_USE_FINI_SECTION): Define
11518 (HAS_INIT_SECTION): Delete.
11520 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
11522 * Makefile.in (all.cross): Depend on xcpp$(exeext).
11524 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
11526 * pa.h (PREDICATE_CODES): New.
11528 * genrecog.c (validate_pattern): Condense the destination
11529 non-lvalue message.
11531 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
11533 * alpha.md (call-1): Supply missing mode for operator.
11534 (*): Add missing output reload constraints. Remove constraints
11535 from define_splits.
11537 * i386.h (SPECIAL_MODE_PREDICATES): New.
11538 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
11539 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
11540 (addsi_lea_3): Add missing mode for op 3.
11541 (prologue_set_got, prologue_get_pc): Add missing modes.
11542 (*) Add missing output reload constraints.
11544 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
11546 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
11547 check for member bit-size overflow and use var_size if it occurs.
11548 (layout_record): Use bitsize_int() to define the type size in bits.
11549 Likewise for computation and assignment to DECL_FIELD_BITPOS.
11550 (layout_decl): Likewise when assigning to DECL_SIZE.
11552 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
11554 * genrecog.c (validate_pattern): Typo last change. Verify
11555 that output operands have output reloads.
11557 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
11559 * genrecog.c (special_mode_pred_table): New.
11560 (NUM_SPECIAL_MODE_PREDS): New.
11561 (find_operand): New.
11562 (validate_pattern): New argument `insn'. Warn for assignment to
11563 any predicate accepting non-lvalues. Conditionaly warn for
11564 match_operand without a mode. Try much harder to match source
11565 and destination modes on a set.
11566 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
11568 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
11570 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
11572 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
11574 * combine.c (simplify_logical): Recognize xor pattern that encodes
11577 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11579 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
11582 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
11584 * ggc-page.c (MAP_FAILED): Provide default.
11586 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
11588 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
11589 * sparc.h (PREDICATE_CODES): Update.
11591 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
11593 * alpha.c (some_ni_operand): New.
11594 * alpha-protos.h: Declare it.
11595 * alpha.h (PREDICATE_CODES): Update.
11596 * alpha.md (sXaddq reload insns): Use some_ni_operand
11597 for SET_DEST instead of some_operand.
11599 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
11600 Jim Wilson <wilson@cygnus.com>
11602 * genrecog.c (maybe_both_true_2): Don't compare modes of
11604 (process_tree): Elide peephole2_insns. Invoke simplify_tests
11605 after find_afterward.
11606 (debug_decision_1): Dump next and afterward codes.
11608 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
11610 * rtl.c (dump_and_abort): Remove.
11611 (fatal_with_file_and_line): New.
11612 (fatal_expected_char): New.
11613 (read_rtx_lineno, read_rtx_filename): New.
11614 (read_skip_spaces): Track line number.
11615 (read_name): Use fatal_with_file_and_line.
11616 (read_rtx): Use fatal_expected_char. Track line number.
11617 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
11619 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
11620 if it isn't a CODE_LABEL.
11622 * genattr.c (main): Set read_rtx_filename.
11623 * genattrtab.c (main): Likewise.
11624 * gencodes.c (main): Likewise.
11625 * genconfig.c (main): Likewise.
11626 * genemit.c (main): Likewise.
11627 * genextract.c (main): Likewise.
11628 * genflags.c (main): Likewise.
11629 * genopinit.c (main): Likewise.
11630 * genoutput.c (main): Likewise.
11631 * genpeep.c (main): Likewise.
11633 * genrecog.c (decision_test.u.insn): Add `lineno'.
11634 (pattern_lineno, error_count): New variables.
11635 (message_with_line): New.
11636 (add_to_sequence): Break out checking code to ...
11637 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
11638 (merge_insn): Use message_with_line.
11639 (make_insn_sequence): Use validate_pattern. Record insn lineno.
11640 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
11642 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11644 * expr.c (store_constructor): Clear union if constructor is empty.
11646 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
11648 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
11649 Add !endian checks. Change %{...} to %(...).
11651 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
11653 * i386.md (*addsi3_cc): Renamed from addcsi3.
11654 (*addsi3_carry): Renamed from addxsi3.
11655 (*subsi3_cc): Renamed from subcsi3.
11656 (*subsi3_carry): Renamed from subxsi3.
11657 (*xorqi_cc_1): Renamed from xorcqi_1.
11658 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
11659 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
11661 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
11663 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
11664 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
11666 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
11668 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
11669 climb up the chain of insns.
11671 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
11673 * genrecog.c (write_subroutine): Careful for null trees.
11674 (process_tree): Don't elide empty functions.
11676 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
11678 * Makefile.in (genrtl.o): Depend on ggc.h.
11679 * configure.in (valloc): Probe for it.
11680 (with-gc): Use ggc-page if valloc present.
11681 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
11682 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
11683 (ggc_alloc_string): Moved from ggc-page.c.
11684 * ggc-none.c (ggc_alloc_obj): New.
11685 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
11686 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
11687 (struct globals): Likewise for dev_zero_fd.
11688 (init_ggc): Likewise for it's initialization.
11689 (ggc_allocated_p): Move careful dereference from ...
11690 (ggc_lookup_page_table): ... here. Delete.
11691 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
11692 (alloc_anon): Use valloc if no mmap.
11693 (release_pages): Use free if using valloc.
11694 (ggc_alloc_obj): Renamed from alloc_obj.
11695 (ggc_set_mark): Renamed from mark_obj.
11696 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
11697 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
11698 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
11699 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
11700 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
11701 (ggc_collect): Use fp printing instead of our own rounding.
11702 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
11703 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
11704 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
11705 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
11706 (struct ggc_string, struct ggc_any): Delete.
11707 (offsetof): Provide default definition.
11708 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
11710 (struct ggc_mem): New, from corpse of ggc_any.
11711 (struct ggc_status): Delete.
11712 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
11713 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
11714 (n_strings_collected, n_anys_collected): Delete.
11715 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
11716 (ggc_alloc_string, ggc_alloc): Delete.
11717 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
11718 (ggc_free_string, ggc_free_any): Delete.
11719 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
11720 (ggc_compare_addresses, ggc_mark_string): Delete.
11721 (ggc_mark_string_if_gcable, ggc_mark): Delete.
11722 (search_data): Delete.
11723 (struct globals): New.
11724 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
11725 (tree_insert, tree_lookup): New.
11726 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
11727 (clear_marks, sweep_objs): New.
11728 (ggc_collect): Gut. Use clear_marks, sweep_objs.
11729 (init_ggc): Set allocated_last_gc.
11730 (ggc_push_context): Gut. Use G.context.
11731 (ggc_pop_context): Likewise.
11732 (ggc_pop_context_1): New.
11733 (debug_ggc_tree): New.
11734 (debug_ggc_balance, tally_leaves): New.
11735 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
11736 (ggc_mark_string_if_gcable): Remove decl.
11737 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
11738 (ggc_mark_rtvec_children): New.
11739 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
11740 (ggc_mark_if_gcable): New decl.
11741 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
11742 (ggc_alloc_tree, ggc_alloc): Likewise.
11743 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
11744 (ggc_alloc_obj): New decl.
11745 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
11746 (ggc_alloc_tree, ggc_alloc): Likewise.
11747 (ggc_set_mark): New decl.
11748 * rtl.h (struct rtx_def): Remove gc_mark.
11749 (struct rtvec_def): Likewise.
11750 * tree.h (struct tree_common): Likewise.
11752 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
11754 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
11755 float_format and thread_file definitions.
11756 * configure: Rebuilt.
11758 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
11760 * extend.texi (Function Names): Document types of function names.
11762 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11764 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
11765 an earlyclobbered output conflict with RELOAD_INPUT reloads.
11767 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11769 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
11771 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11773 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
11775 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
11777 * collect2.c (main): Do prelimnary link on AIX if rflag.
11779 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11781 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
11782 __CTOR_LIST__ in opposite order, which is the correct order for sorted
11784 (__do_global_dtors): similarly for __DTOR_LIST__.
11786 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11787 Diego Novillo <dnovillo@cygnus.com>
11789 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
11792 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
11794 * fixincl/*: Merged "no_bogosity" branch
11795 * fixincl/fixlib.h: protect against doubly defining t_bool
11796 * fixincl/server.h: protect against doubly defining t_bool
11798 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
11800 * genoutput.c: Include toplev.h.
11802 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
11804 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
11806 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
11807 * configure: Regenerate.
11809 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
11811 * gcse.c (delete_null_pointer_checks): Returns void.
11813 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11815 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
11816 * emit-rtl.c (copy_insn_1): Likewise.
11818 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
11820 * config/mips/mips.c (mips_build_va_list): Correct
11821 TREE_CHAIN setting when hard-float.
11822 (mips_va_start): Use corrected setting.
11823 (mips_va_arg): Likewise. Also pass a tree to build of
11824 POSTINCREMENT_EXPR rather than a naked 'int'.
11826 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
11828 * ggc.h (ggc_push_context): Fix comment.
11829 (ggc_pop_context): Likewise.
11830 (mark_string_if_gcable): Likewise.
11831 * ggc-common.c (ggc_mark_rtx_children): Use
11832 ggc_mark_string_if_gcable.
11833 * ggc-page.c (ggc_lookup_page_table): New function.
11834 (ggc_allocated_p): Likewise.
11835 (mark_obj): Fix formatting.
11836 (ggc_mark_string_if_gcable): New function.
11837 * ggc-simple.c (ggc_allocated_strings): New variable.
11838 (ggc_strings_used): Likewise.
11839 (ggc_compare_addresses): New function.
11840 (ggc_pop_context): Pop the `any' memory too.
11841 (ggc_mark_string_if_gcable): New function.
11842 (ggc_collect): Initialize and tear down ggc_allocated_strings.
11844 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
11846 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
11847 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
11848 * rs6000.c (expand_block_move): Match movstrsi_?reg register
11851 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
11853 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
11854 (sched_reg_live_length, sched_reg_basic_block): Delete.
11855 (current_block_num, bb_live_regs, old_live_regs): Delete.
11856 (dead_notes, struct sometimes): Delete.
11857 (sched_note_set, birthing_insn_p): Delete.
11858 (adjust_priority): Gut useless reg lifetime code.
11859 (create_reg_dead_note, attach_deaths): Delete.
11860 (attach_deaths_insn, new_sometimes_live): Delete.
11861 (finish_sometimes_live): Delete.
11862 (find_pre_sched_live, find_post_sched_live): Delete.
11863 (update_reg_usage): Delete.
11864 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
11865 (schedule_insns): Delete reg lifetime code.
11866 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
11867 (unlink_other_notes): Adjust REG_NOTE commentary.
11868 (reemit_notes): Use REG_SAVE_NOTE.
11869 (schedule_block): Likewise.
11870 (schedule_region): Allocate bitmap of blocks in region. Use
11871 count_or_remove_death_notes. Use update_life_info.
11873 * rtl.h (REG_SAVE_NOTE): New.
11874 * rtl.c (reg_note_name): Update.
11876 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
11878 * combine.c (refresh_blocks, need_refresh): New.
11879 (combine_instructions): Allocate refresh_blocks. Invoke
11880 update_life_info if needed.
11881 (distribute_notes): Mark refresh_blocks instead of installing
11883 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
11884 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
11886 * Makefile.in (recog.o): Depend on basic-block.h.
11888 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
11890 * genrecog.c (add_to_sequence): Thinko last change: delete
11891 shadowing allow_const_int variable.
11893 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11895 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
11896 __GNUC__ and __GNUC_MINOR__.
11898 * gansidecl.h: Likewise.
11904 * toplev.h: Likewise.
11906 * tree.c: Likewise.
11908 * tree.h: Likewise.
11910 * varray.c: Likewise.
11912 * varray.h: Likewise.
11914 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11916 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
11917 use one before a jump table.
11919 * rtl.def (ADDRESS): Change documentation to match reality.
11920 * md.texi: Don't document it.
11921 * gmicro.md (load address pattern): Use 'p' constraint, delete use
11924 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
11926 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
11928 * genrecog.c (add_to_sequence): Move allow_const_int test outside
11929 known predicate block; default allow_const_int true.
11930 (debug_decision_list): New.
11932 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
11934 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
11936 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
11938 * gcse.c (gcse_main): Avoid global optimizations if we have a
11939 large number of basic blocks and the ratio of edges to blocks
11941 (delete_null_pointer_checks): Likewise.
11943 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
11945 * c-common.c (check_format_info): Warn if format string isn't a
11948 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11950 * configure.in (arm*-*-*): Don't let autoconf remove brackets
11951 * configure: regenerate
11953 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
11955 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
11956 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
11957 (peepholes): Re-enable.
11959 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
11961 * Makefile.in (flow.o): Depend on TREE_H.
11962 * basic-block.h (REG_SET_EQUAL_P): New.
11963 (XOR_REG_SET): New.
11964 (n_edges): Declare.
11965 (free_regset_vector): Remove declaration.
11966 (flow_delete_insn_chain): Declare.
11967 (enum update_life_extent): New.
11968 (update_life_info, count_or_remove_death_notes): Declare.
11969 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
11970 Verify register live at bb->global_live_at_start before adding USE.
11971 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
11972 (CLEAN_ALLOCA): New.
11974 (PROP_*): New flags.
11975 (find_basic_blocks_1): Use alloc_EXPR_LIST.
11976 (clear_edges): Zero n_edges.
11977 (make_edge): Increment n_edges.
11978 (split_edge): Don't allocate bb->local_set. Increment n_edges.
11979 (flow_delete_insn_chain): Export.
11980 (delete_block): Decrement n_edges.
11981 (merge_blocks_nomove): Likewise.
11982 (life_analysis): Give life_analysis_1 PROP flags.
11983 (verify_wide_reg_1, verify_wide_reg): New.
11984 (verify_local_live_at_start): New.
11985 (update_life_info): Rewrite to call into propogate_block.
11987 (mark_regs_live_at_end): After reload, if epilogue as rtl,
11988 always mark stack pointer. Conditionally mark PIC register.
11989 After reload, mark call-saved registers, return regsiters.
11990 (life_analysis_1): Accept PROP flags not remove_dead_code.
11991 Call mark_regs_live_at_end before zeroing regs_ever_live.
11992 Use calculate_global_regs_live. Copy global_live_at_end before
11993 calling final propagate_block. Zero reg_next_use on exit.
11994 (calculate_global_regs_live): New.
11995 (allocate_bb_life_data): Don't allocate bb->local_set.
11996 (init_regset_vector, free_regset_vector): Remove.
11997 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
11998 Test flags before every operation. Warn if prologue/epilogue insn
11999 would have been deleted.
12000 (mark_set_regs, mark_set_1): Accept and use FLAGS.
12001 Use alloc_EXPR_LIST.
12002 (mark_used_regs): Accept and use FLAGS, not FINAL.
12003 Remove special handling for RETURN.
12004 (try_pre_increment): Use alloc_EXPR_LIST.
12005 (dump_flow_info): Dump n_edges.
12006 (unlink_insn_chain, split_hard_reg_notes): Remove.
12007 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
12008 (find_insn_with_note, new_insn_dead_notes): Remove.
12009 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
12010 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
12011 (replace_insns): Remove.
12012 (count_or_remove_death_notes): New.
12013 (verify_flow_info): Abort on error after all checks.
12014 (remove_edge): Decrement n_edges.
12015 (remove_fake_edges): Tweek format.
12016 * haifa-sched.c (schedule_insns): Use split_all_insns.
12017 * output.h (update_life_info): Remove declaration.
12018 * recog.c (split_all_insns): From the corpse of split_block_insns,
12019 do the whole function block by block. Use update_life_info.
12020 (recog_last_allowed_insn): New.
12021 (recog_next_insn): Mind it.
12022 (peephole2_optimize): Set it. Walk backwards through blocks.
12023 Use update_life_info.
12024 * rtl.h (update_flow_info, replace_insns): Remove declarations.
12025 (split_all_insns): Declare.
12026 * toplev.c (rest_of_compilation): Thread prologue before flow2.
12027 Use split_all_insns.
12029 * i386.md (or -1 peep2s): Disable.
12031 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
12033 * config/mips/mips.md (movstrsi+[123]) : Combine these into
12034 a single pattern. Scrap the 'd' versions as unnecessary.
12036 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
12037 tablejump_mips162,tablejump_internal4): The operands to a
12038 label_ref must be VOIDmode.
12040 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12042 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
12044 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12046 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
12048 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12050 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
12051 cache every function if ggc_p.
12053 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12055 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
12056 instead of copy_rtx. Accept sequences that contain asm statements.
12057 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
12058 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
12059 orig_asm_operands_vector, copy_asm_operands_vector,
12060 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
12062 * rtl.h (copy_insn, copy_insn_1): Declare.
12064 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12066 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
12068 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
12069 arguments to `current_file_function_operand'.
12071 * genrecog.c: Include hard-reg-set.h and resource.h in the
12072 generated output file.
12074 * real.c: Include tm_p.h.
12076 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12078 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
12081 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
12083 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
12084 before the fctiwz insn.
12086 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12087 Mark Mitchell <mark@codesourcery.com>
12089 * tree.c (make_lang_type_fn): New funtion pointer.
12090 (make_lang_type): Call it.
12091 * tree.h (make_lang_type): Declare.
12092 (make_lang_type_fn): Likewise.
12093 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
12095 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
12097 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
12098 make sure that HIGH instructions are copied into BASE_REGS.
12100 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
12102 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
12104 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
12106 * c-decl.c (finish_struct): Use simpler method of
12107 removing elements of a singly-linked list.
12109 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
12111 * alpha.md (peephole2's): Comment out peephole2's that generate
12114 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
12116 * genrecog.c (add_to_sequence): Disable mode check for
12119 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12121 * ggc-simple.c (init_ggc): Set empty_string.
12123 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
12125 * configure.in: Detect mmap. Add --with-gc=foo to select
12126 garbage collector; default to page if mmap available.
12127 * Makefile.in (GGC): Substitute.
12129 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
12131 * c-decl.c (ggc_p): Enable.
12133 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12135 * flow.c (verify_flow_info): Make it extern & unconditionally define.
12137 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
12139 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
12140 string for little-endian-data.
12142 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
12144 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
12145 case somebody tries to compile --enable-checking code with gcc
12148 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
12150 * genrecog.c (add_to_sequence): Verify operand to label_ref is
12153 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
12155 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
12156 * jump.c (jump_optimize_1): Document why.
12158 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12160 * collect2.c (scan_prog_file, scan_libraries): Prototype function
12161 pointers and casts for `int_handler' and `quit_handler'.
12163 * flow.c (verify_flow_info, split_hard_reg_notes,
12164 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
12165 remove_edge, remove_fake_successors): Add static prototypes.
12166 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
12167 (mark_set_1): Initialize variable `regno'.
12168 (unlink_insn_chain): Likewise for variable `curr'.
12169 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
12171 * loop.c (strength_reduce): Initialize variable
12172 `unrolled_insn_copies'.
12173 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
12174 prototypes. Change these functions to take const PTR parameters
12175 to avoid prototype conflict when used as the comparson argument
12177 (check_dbra_loop): Initialize variable `comparison_val'.
12179 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
12180 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
12181 (find_valid_class): Initialize variable `best_class'.
12182 (find_reloads): Call memcpy, not bcopy.
12184 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
12185 (hard_reg_use_compare): Don't needlessly cast away const.
12186 (reload_reg_class_lower): Likewise.
12187 (choose_reload_regs): Initialize variable `regno'.
12189 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
12191 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
12193 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
12195 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
12196 ({,d}discard): Add forward declarations. Declare parameter as
12198 (main_without_main): Explicitly declare return type to be int.
12199 (memcpy): Properly declare.
12201 * libgcc2.c (toplevel): If inhibit_libc is defined and not
12202 building the trampoline support, declare malloc, free, and
12204 (__clear_cache): Mark arguments as potentially unused.
12206 * frame.c (toplevel): If inhibit_libc is defined, declare
12209 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
12211 * flow.c (make_edge): Accept an optional 2D bitmap in which
12212 to cache edge existence. Update all callers.
12213 (make_label_edge, make_eh_edge): Pass through the edge cache.
12214 (make_edges): Provide the cache.
12216 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12218 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
12220 (local_mbtowc): Change the type of variable `i' from int to size_t.
12222 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
12223 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
12225 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
12227 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
12228 after other includes that define the appropriate types. Include
12229 tm_p.h for getting user prototypes.
12230 * ggc-callbacks.c (toplevel): Ditto.
12231 * ggc-none.c (toplevel): Ditto.
12232 * gcc-page.c (toplevel): Ditto.
12233 * ggc-simple.c (toplevel): Ditto.
12235 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
12236 Jonathan Larmour <jlarmour@cygnus.co.uk>
12238 * config/mips/mips.c (mips_move_2words): Split doubles if
12239 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
12241 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
12243 * genrecog.c (struct decision_test): New.
12244 (struct decision): Remove test-related members, sort the rest by size.
12245 (IS_SPLIT): Simplify.
12246 (new_decision, new_decision_test): New.
12247 (add_to_sequence): Use them. No special handling for args of
12249 (maybe_both_true): Renamed from not_both_true; return sense changed.
12250 (maybe_both_true_1, maybe_both_true_2): New. Broken out
12251 of maybe_both_true and adjusted for decision_test.
12252 (position_merit): Remove.
12253 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
12254 (merge_accept_insn): New, broken out of merge_trees.
12255 (merge_trees): Use them. No special case for c_test; no node
12256 splitting; use test type instead of position_merit.
12257 (factor_tests): New.
12258 (simplify_tests): New.
12259 (break_out_subroutines): Don't write code now.
12260 (find_afterward): New.
12261 (write_afterward, write_switch, write_cond): New.
12262 (write_action, is_unconditional): New.
12263 (write_node): New. Use them.
12264 (write_tree_1): Rewrite. Use the new functions above.
12265 (write_tree): Remove afterward processing.
12266 (write_subroutine): Simplify function variant emission.
12267 (write_subroutines): New.
12268 (same_codes, clear_codes): Remove.
12269 (same_modes, clear_modes): Remove.
12270 (write_header): New, broken out of main.
12271 (make_insn_sequence): Use new_decision and new_decision_test.
12272 (process_tree): New, broken out of main.
12273 (main): Adjust for merge_trees interface change.
12274 Don't #define operands in the output file.
12275 (record_insn_name): New, broken out of make_insn_sequence.
12276 (debug_decision_2, debug_decision_1, debug_decision_0): New.
12277 (debug_decision): New.
12279 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
12281 * resource.c (find_free_register): Mark class_str argument const.
12282 * resource.h: Update prototype to match.
12284 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
12285 * i386.md: Give all anonymous insns names.
12287 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
12289 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
12292 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
12294 * toplev.c (dbr_sched_time): Unconditional.
12295 (peephole2_time): New.
12296 (compile_file): Add pass numbers to all of the dump file suffixes.
12297 Dump peephole2_time. Don't dump times for non-applicable passes.
12298 (rest_of_compilation): Add pass numbers to dump file suffixes.
12299 Conditionalize calls to the scheduler.
12300 * invoke.texi: Update.
12302 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
12304 * flow.c (make_edges): Fix insn iteration.
12305 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
12306 (find_basic_blocks_1): Fix spelling mistake.
12308 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
12310 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
12311 always have side-effects. Use memset not bzero.
12312 (make_node): Likewise.
12314 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
12316 * stmt.c (expand_anon_union_decl): When any of the elements of the
12317 union is addressable, so is the entire union.
12319 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
12321 * sbitmap.c (sbitmap_ones): Don't set too many bits.
12323 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
12324 * bitmap.c (bitmap_operation): Return true iff TO changed.
12325 (bitmap_equal_p): New.
12326 (bitmap_bit_p): Tidy arithmetic.
12327 (debug_bitmap_file): Likewise.
12329 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
12331 * toplev.c (rest_of_compilation): Turn on cse_not_expected
12332 before cse2 instead of after.
12334 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
12336 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
12339 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12341 * cppinit.c (is_idchar initializer): Loosen tests to accept
12344 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
12346 * mips.md: Define conditional move patterns for floating point
12347 operands and DI mode conditions.
12349 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
12351 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
12352 always have side-effects.
12354 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
12356 * mn10200.c (asm_file_start): Fix typo.
12358 * cppinit.c (is_idchar initializer): Tighten tests for when
12359 to put the table into initialized memory.
12361 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
12362 not an array of rtunion.
12363 * gcc-page.c (ggc_alloc_rtvec): Similarly.
12364 * gcc-simple (ggc_free_rtvec): Similarly.
12366 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
12369 * mbchar.h: Add missing #endif.
12371 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
12372 (FPBIT, DPBIT): Define.
12374 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12376 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
12378 * profile.c (instrument_arcs, output_gcov_string,
12379 tablejump_entry_p): Add static prototypes.
12380 (output_gcov_string): Constify a char*.
12382 * regmove.c (replacement_quality, fixup_match_2): Add static
12385 * resource.h (reg_dead_p): Add extern prototype.
12387 * rtl.c (trim_filename): Add static prototype.
12389 * scan-decls.c (skip_to_closing_brace): Likewise.
12391 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
12392 (expand_end_case): Initialize variable `range'.
12393 (emit_case_nodes): Remove unused prototype `rtx_fn'.
12395 * varasm.c (asm_emit_uninitialised): Add static prototype.
12396 (asm_emit_uninitialised, assemble_variable): Mark parameter with
12399 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12401 * cpplib.c (if_directive_nameo): Add static prototype.
12403 * cse.c (cse_insn): Remove unused variable `p'.
12405 * except.c (create_rethrow_ref, push_entry,
12406 receive_exception_label, new_eh_region_entry, find_func_region,
12407 clear_function_eh_region, process_nestinfo): Add static prototypes.
12408 (get_reg_for_handler): Hide definition.
12409 (process_nestinfo): Initialize variable `extra_handlers'.
12411 * expr.h (expand_builtin_longjmp): Add extern prototype.
12413 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
12415 * function.c (prepare_function_start): Likewise.
12416 (pop_function_context_from): Mark parameter `context' with
12418 (push_temp_slots_for_block, flush_addressof): Hide definition.
12420 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
12421 solve_program_flow_graph, calculate_branch_probs,
12422 function_summary, main, fancy_abort): Add prototypes.
12424 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
12425 (add_hash): Constify a char*.
12427 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
12428 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
12429 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
12431 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
12433 * lists.c (free_list, zap_lists): Likewise.
12435 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12437 * alias.c (nonlocal_reference_p): Add static prototype.
12439 * bitmap.c (bitmap_element_allocate): Prototype args in function
12442 * builtins.c (stabilize_va_list): Add static prototype.
12443 (expand_builtin_va_arg): Constify a char*.
12445 * c-lex.c (getch, put_back, extend_token_buffer_to,
12446 read_line_number, token_getch, token_put_back): Add static
12449 * c-parse.gperf (hash, is_reserved_word): Likewise.
12451 * cccp.c (is_dir_separator): Likewise.
12453 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12455 * graph.h: New file to prototype functions exported by graph.c.
12457 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
12459 * graph.c: Include graph.h.
12461 * toplev.c: Likewise. Remove redundant prototypes.
12463 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
12465 * invoke.texi: Removed duplicated description for -Q.
12467 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
12469 * extend.texi: Grammar fix in __extension__ text.
12471 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
12473 * md.texi (define_peephole2): New section.
12475 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
12477 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
12478 (mov $-1 to or peepholer): Enable for pentium when optimizing for
12481 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
12483 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
12485 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
12487 * i386.md (ffs expander): Emit Pentium friendly code for
12490 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
12492 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
12494 (build1): Likewise.
12496 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12498 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
12500 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
12502 * config/m68k/m68k.c (use_return_insn): Return false if the pic
12503 register is in use.
12505 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12507 * md.texi (No Constraints): Delete section.
12508 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
12509 * final.c (final_scan_insn): We always have register constraints.
12510 * genattrtab.c: Don't include "insn-config.h".
12511 (write_attr_case): We always have register constraints.
12512 * genconfig.c (register_constraint_flag): Delete.
12513 (walk_insn_part): Don't check whether we have register constraints.
12514 (main): Don't write out "#define REGISTER_CONSTRAINTS".
12515 * genoutput.c (have_constraints): Delete.
12516 (main): Don't set it.
12517 (output_operand_data): We always have constraints.
12518 (scan_operands): Likewise.
12519 (compare_operands): Likewise.
12520 * local-alloc.c (block_alloc): We always have constraints.
12521 (requires_inout): Always compile this function.
12522 * recog.c (extract_insn): We always have constraints.
12523 (constrain_operands, reg_fits_class_p): Always compile these
12525 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
12527 (struct insn_operand_data): Likewise.
12528 * regclass.c (regclass): We always have constraints.
12529 (record_reg_classes, copy_cost, record_address_regs,
12530 auto_inc_dec_reg_p): Always compile these functions.
12531 * regmove.c (regmove_optimize): We always have constraints.
12532 * reload.c (find_reloads): Likewise.
12533 * reload1.c (reload): Likewise.
12534 (reload_cse_simplify_operands): Likewise.
12535 * i860.c (output_delay_insn): Likewise.
12537 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
12539 * iris6.h (BUILD_VA_LIST_TYPE): Define.
12541 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12543 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
12544 for the va_list record.
12546 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
12548 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
12551 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
12553 * alias.c: Include insn-flags.h.
12554 * Makefile.in (alias.o): Update.
12556 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
12558 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
12559 to LTU and GEU. Handle more cases using sbb.
12561 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
12563 * i386.md (truncatexfdf splitters): Do not use subreg.
12564 (fop XFmode patterns): Fix mode in operand testing.
12566 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
12568 * jump.c (jump_optimize_1): Amend last change to test only the
12569 form of the operand, not the insn.
12571 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
12572 not register_operand to determine when B may need preloading.
12574 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
12576 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
12577 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
12578 (call-value patterns): Move to end of file.
12579 (*): Remove mode from label_ref in (pc) context.
12580 (movstrqi): Use memory not general_operand for BLKmode operands.
12581 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
12582 to register_operand operands.
12583 (peep2 patterns): Convert from commented-out peephole patterns.
12585 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12587 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
12588 to BUILT_IN_INIT_DWARF_REG_SIZES.
12589 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
12590 Renamed from BUILT_IN_DWARF_REG_SIZE; call
12591 expand_builtin_init_dwarf_reg_sizes.
12592 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
12593 with __builtin_init_dwarf_reg_size_table.
12594 * dwarf2out.c (struct reg_size_range): Delete.
12595 (expand_builtin_init_dwarf_reg_sizes): New function.
12596 (expand_builtin_dwarf_reg_size): Delete.
12597 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
12598 (expand_builtin_dwarf_reg_size): Don't declare.
12599 * libgcc2.c (dwarf_reg_size_table_initialized): New.
12600 (dwarf_reg_size_table): New.
12601 (init_reg_size_table): New function.
12602 (copy_reg): Use dwarf_reg_size_table.
12603 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
12606 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
12608 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
12609 Correctly build argument list to constructor and destructor functions.
12611 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
12613 * c-tree.h (warn_float_equal): Declare.
12614 * c-decl.c (warn_float_equal): Define.
12615 (c_decode_option): Recognize -W[no-]float-equal.
12616 * c-typeck.c (build_binary_op): Conditionally warn
12617 about equality tests of floating point types.
12618 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
12619 * invoke.texi: Add docs for -Wfloat-equal warning.
12621 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
12623 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
12624 generating RTL directly.
12625 * mips.h (INIT_TARGET_OPTABS): Likewise.
12626 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
12628 * expr.h (init_mov_optab): Delete declaration
12630 * h8300.c (WORD_REG_USED): Update to avoid useless register
12631 saves in interrupt functions and functions which never return.
12633 * cse.c (struct set): Delete inner_dest_loc field.
12634 (cse_insn): Remove assignments to inner_dest_loc field.
12636 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
12638 * ggc-page.c: Don't include <unistd.h> etc taken care of
12639 by "system.h". Include <sys/mman.h> afterward.
12641 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
12643 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
12646 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
12648 * xcoffout.c (xcoffout_declare_function): Add documentation.
12649 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
12650 TARGET_64BIT. Compare constant to -1, not bit pattern.
12651 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
12652 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
12655 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
12657 * dwarf2out.c (add_abstract_origin_attribute): Abort if
12658 origin_die is NULL.
12659 (gen_inlined_enumeration_type_die): Do not abort if the type has
12660 not been writeen out.
12661 (gen_inlined_structure_type_die): Do not abort if the type has
12662 not been writeen out.
12663 (gen_inlined_union_type_die): Do not abort if the type has
12664 not been writeen out.
12665 (gen_tagged_type_instantiation_die): Do not abort if the type
12666 has not been written out.
12668 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12670 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
12672 * reg-stack.c (straighten_stack): Copy hard reg set with
12675 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
12677 * builtins.c (stabilize_va_list): Stabilize array type va_list
12678 to a pointer type, not the base record type.
12679 (expand_builtin_va_copy): Dereference the pointers explicitly;
12680 use the correct size for the copy.
12682 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
12683 (rs6000_va_arg): Likewise.
12685 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
12687 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
12689 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
12691 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
12693 (DECL_BUILT_IN_CLASS): Adjust accordingly.
12695 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
12697 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
12698 (init_ggc): Use it instead of a constant.
12699 (ggc_collect): Bound allocated_last_gc by it.
12701 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
12703 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
12706 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
12708 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
12709 (mips*-*-openbsd*): Let big endian configuration be a fragment.
12710 * configure: Regen.
12711 * config/mips/openbsd.h: New, OpenBSD little endian target.
12712 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
12713 * config/mips/xm-openbsd.h: New, OpenBSD host.
12715 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
12717 * config/m68k/m68k.c (output_function_prologue,
12718 output_function_epilogue): Use
12719 current_function_uses_pic_offset_table instead of regs_ever_live
12720 to decide whether to save/restore pic register.
12721 (legitimize_pic_address): Don't modify regs_ever_live any more.
12723 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
12725 * function.h (struct function): Add x_dont_save_pending_sizes_p.
12726 * stor-layout.c (variable_size): Don't add sizes to the pending
12727 sizes list if x_dont_save_pending_sizes_p is set.
12729 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
12731 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
12732 for symbolic_operand().
12733 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
12735 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12737 * combine.c (gen_rtx_combine): Add missing call to va_end().
12739 * final.c (asm_fprintf): Likewise.
12741 * genattrtab.c (attr_rtx): Likewise.
12743 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
12745 * cse.c: Update comments.
12746 (cse_insn): When converting a conditional/computed jump into
12747 an unconditional jump, always make sure a BARRIER immediately
12748 follows the converted jump. Do not delete unreachable code.
12749 (cse_basic_block): Do not delete unreachable code.
12750 * toplev.c (rest_of_compilation): Move call to
12751 delete_trivially_dead_insns after the conditional call to
12754 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12756 * collect2.c (make_temp_file): Don't prototype.
12758 * gcc.c (make_temp_file): Likewise.
12760 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
12762 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
12764 * varasm.c (asm_emit_uninitialised): New function: Generate
12765 the assembler statements necessary to declare an uninitialised
12767 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
12769 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
12770 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
12772 (assemble_variable): Use asm_emit_uninitialised to emit an
12773 uninitialised variable.
12775 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
12777 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
12778 constant on a 64 bit host. Patch supplied by Geoffrey Keating
12779 <geoffk@cygnus.com>.
12781 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12783 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
12784 * c-common.h (builtin_function): Don't declare.
12786 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
12788 (pushdecl): Likewise.
12789 (finish_decl): Likewise.
12790 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
12791 int. All callers changed.
12792 Set the builtin's DECL_BUILT_IN_CLASS.
12793 * tree.h (enum built_in_class): New.
12794 (enum built_in_function): Delete NOT_BUILT_IN.
12795 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
12797 (DECL_SET_FUNCTION_CODE): Likewise.
12798 (DECL_BUILT_IN_CLASS): New macro.
12799 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
12800 (struct tree_decl): Split builtin function code field into a
12802 (builtin_function): Declare.
12804 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
12806 * optabs.c (init_traps): Fix typo in last change.
12808 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
12810 * toplev.c (rest_of_decl_compilation): Update comment.
12812 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12814 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
12815 in .sbss if appropriate.
12816 (EXTRA_SECTION_FUNCTIONS): Add sbss.
12817 (SBSS_SECTION_ASM_OP): New macro.
12818 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
12819 (EXTRA_SECTIONS): Add in_sbss.
12820 * config/mips/mips.h: Prototype sbss_section.
12822 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
12824 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
12827 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
12829 * optabs.c (init_traps): Register trap_rtx as a GC root.
12831 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12833 * config/mips/mips.c (function_arg_pass_by_reference): Define
12834 unconditionally, since it's called unconditionally.
12836 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12838 * toplev.c (documented_lang_options): Add -fshort-wchar.
12839 * c-decl.c (c_decode_option): Likewise.
12840 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
12842 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
12843 * gcc.c (default_compilers): If -fshort-wchar,
12844 override __WCHAR_TYPE__.
12845 * tm.texi (C Dialect Options): Add -fshort-wchar.
12847 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
12848 symbol for a variable.
12850 * cpplib.h (CPP_PREPROCESSED): New macro.
12851 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
12852 we're seeing this input for a second time.
12854 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
12856 * emit-rtl.c (init_emit_once): Initialize modes first.
12858 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
12860 * config/i386/i386.c (pic_label_name): Change to char pointer.
12861 (global_offset_table): New variable.
12862 (load_pic_register): Fill global_offset_table if it hasn't
12863 already been done. Allocate pic_label_name dynamically.
12864 * ggc.h (empty_string): New variable.
12865 * ggc-simple.c (empty_string): Likewise.
12866 (init_ggc): Allocate empty_string and add as root.
12867 * stmt.c (digit_strings): New variable.
12868 (init_stmt): Add last_block_end_note as root. Allocate and
12869 initialize digit_strings.
12870 (expand_asm_operands): Use empty_string instead of string
12871 constant. Use digit_strings instead of string constants.
12872 * profile.c (init_arc_profiler): Allocate string with
12873 ggc_alloc_string instead of xmalloc.
12874 (output_func_start_profiler): Likewise.
12875 * c-typeck.c (digest_init): Check if init is error_mark_node.
12877 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
12878 Richard Henderson <rth@cygnus.com>
12880 * ggc-page.c: New file.
12881 * Makefile.in (ggc-page.o): New.
12883 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
12885 * invoke.texi: Document -fdelete-null-pointer-checks
12886 * toplev.c (flag_delete_null_pointer_checks): New.
12887 (f_options): Add entry for -fdelete-null-pointer-checks.
12888 (rest_of_compilation): Conditionalize null pointer check
12889 elimination on flag_delete_null_pointer_checks.
12890 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
12892 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
12894 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
12895 copyright notice and special exception to GPL.
12897 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12899 * abi64.h (mips_function_value): Add prototype arguments.
12901 * mips-protos.h: New file with mips prototypes.
12903 * mips.c: Include "tm_p.h".
12904 (mktemp, lookup_name): Add prototype arguments.
12905 (extern_list, string_constant, mips_fill_delay_slot,
12906 mips_output_external, mips_output_external_libcall,
12907 mips_output_filename, mips_declare_object, function_prologue,
12908 mips_expand_prologue, function_epilogue, mips16_constant,
12909 build_mips16_function_stub, mips_output_conditional_branch):
12911 (mips_va_start): Remove unused variable `u'.
12912 (mips_va_arg): Cast value to unsigned when comparing against one.
12914 (save_restore_insns, mips_expand_prologue): Add missing arg in
12915 call to `large_int'.
12917 * mips.h: Move prototypes to mips-protos.h.
12918 (data_section, memory_address_p, rdata_section,
12919 readonly_data_section, simple_epilogue_p, text_section): Delete
12920 prototypes delcared elsewhere.
12921 (mips_epilogue_delay_slots, print_options): Delete unused decls.
12923 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
12925 * mips.md: Delete extra args in call to `mips_move_2words'.
12927 * xm-iris6.h (alloca): Add prototype argument.
12929 * genpeep.c: Include "tm_p.h" in generated output file.
12931 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12933 * basic-block.h (find_edge_index): Change parameters.
12934 * flow.c (verify_edge_list): Pass basic_block parameters to
12935 find_edge_index instead of integers.
12937 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
12939 * combine.c (simplify_comparison): Use an unsigned shift to adjust
12942 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
12944 * gcc.1: Fix a formatting error.
12946 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12948 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
12949 i786, mn10200, mn10300, pdp11, v850.
12951 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
12953 * libgcc2.c (num_digits): Add prototype with
12954 __attribute__((const)).
12955 (__terminate): Add prototype.
12957 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
12959 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
12961 * alpha/alpha.c (print_operand): Fix type of `code'.
12962 (alpha_output_filename): Constify.
12963 * alpha/alpha.h: Move all function declarations ...
12964 * alpha/alpha-protos.h: ... here. New file.
12965 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
12966 (SECTION_FUNCTION_TEMPLATE): Likewise.
12968 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12970 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
12971 * expr.c (expand_expr): Likewise.
12972 (do_jump): Likewise.
12973 (do_store_flag): Pass ccp_store_flag to can_compare_p.
12974 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
12976 (enum can_compare_purpose): New.
12977 (can_compare_p): Adjust prototype.
12978 (prepare_cmp_insn, prepare_operand): Declare.
12979 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
12980 * optabs.c (cmp_available_p): Deleted.
12981 (expand_abs): Pass ccp_jump to can_compare_p.
12982 (can_compare_p): New arg PURPOSE. Check for combined optabs.
12983 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
12984 Call can_compare_p rather than cmp_available_p.
12985 (prepare_operand): No longer static.
12986 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
12987 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
12988 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
12989 sequence to use emit_cmp_and_jump_insns.
12990 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
12992 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
12994 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
12995 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
12996 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
12997 (plus (reg) (const_int 0))
12998 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
13000 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
13002 * rs6000.c (expand_block_move): DImode loads and stores require
13003 word-aligned displacements. Increment address registers with
13004 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
13006 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
13008 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
13009 is no name for the base type, rather than segfault. If we are
13010 writing out a complex integer type, use DW_ATE_lo_user.
13012 * expr.c (emit_move_insn_1): If we are copying a complex that fits
13013 in one word or less (complex char, complex short, or on 64 bit
13014 systems complex float) to/from a hard register, copy it through
13015 memory instead of dying in gen_{real,imag}part. If we have a
13016 short complex type, prevent inlining since it allocates stack
13019 * tree.c (build_complex_type): If we are writing dwarf2 output,
13020 generate a name for complex integer types.
13022 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13024 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
13025 * flow.c (remove_edge): Remove extra whitespace.
13026 (remove_fake_edges): Fix comment.
13027 (add_noreturn_fake_exit_edges): Use the correct name.
13029 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
13031 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
13032 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
13033 (clean): Depend on INTL_CLEAN.
13034 (maintainer-clean): Adjust.
13036 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13038 * configure.in (AC_PREREQ): Bump to 2.13.
13039 (AC_C_STRINGIZE): Call this instead of using a custom macro.
13041 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
13043 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
13045 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
13047 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
13048 (HAVE_STRINGIZE): Define.
13050 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
13052 * c-parse.in: save and restore warn_pointer_arith on __extension__
13053 along with pedantic.
13054 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
13055 Set the type of extension to itype rather than $<itype>1 kludge.
13056 * extend.texi (Alternate Keywords): Adjust documentation.
13057 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
13059 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
13061 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
13062 most assembler templates.
13064 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
13065 FP loads and stores.
13066 (following_call): Always return zero for the PA8000.
13067 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
13068 FP loads and stores.
13069 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
13071 * pa.h (BRANCH_COST): Define.
13073 * pa.md (return, return_internal): Use bve for PA2.0.
13075 * pa.md (fused multiply): Add variants which reduce height for the
13076 fused multiply, but which still generate 2 insns.
13077 (fnegabs): Similarly.
13079 * pa.md (subsi3): Turn into an expander. Create two anonymous
13080 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
13081 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
13083 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
13085 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
13087 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
13088 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
13090 * regclass.c (init_regs): Add "top_of_stack" as a garbage
13093 * flow.c (record_active_eh_regions): Terminate loop after finding
13094 the last insn in the last basic block.
13096 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13098 * config/c4x/c4x.md: Delete parallel instruction peepholes.
13100 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13102 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
13104 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13106 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
13107 splitting to not use output template.
13109 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13111 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
13112 * config/c4x/c4x.c (c4x_va_start): New function.
13114 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
13116 * genrecog.c (not_both_true): Handle correctly cases when called for
13117 tests with different positions in the insn.
13119 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13121 * machmode.h (HOST_PTR_PRINTF): Move from here ...
13123 * system.h (HOST_PTR_PRINTF): ... to here.
13125 * mips-tfile.c: Don't include machmode.h.
13127 * Makefile.in (MACHMODE_H): New variable. Update to use it.
13128 (mips-tfile.o): Don't depend on machmode.h.
13130 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13132 * haifa-sched.c (sched_analyze): Rename local variable `region' to
13133 avoid conflicts with typedef struct `region' at the top level scope.
13135 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
13137 * basic-block.h (basic_block): Add eh_beg, eh_end.
13138 * flow.c (entry_exit_blocks): Update.
13139 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
13140 Call new functions.
13141 (find_basic_blocks_1): Don't record eh_list at each bb. Use
13142 lists.c functions to allocate insn lists.
13143 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
13145 (make_eh_edge): ... here. New.
13146 (move_stray_eh_region_notes): New.
13147 (record_active_eh_regions): New.
13148 (delete_unreachable_blocks): Split out block merging ...
13149 (try_merge_blocks): ... here. New.
13150 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
13151 Dump debugging data.
13152 (merge_blocks_move_successor_nojumps): Likewise.
13153 (merge_blocks): Use eh_beg+eh_end to validate block movement.
13155 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13157 * extend.texi (Bound member functions): Document unbound pmf
13160 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13162 * flow.c (split_edge): Handle insertion on a fallthrough edge which
13163 has the EXIT_BLOCK as a dest.
13165 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13167 * flow.c (remove_edge): New function to remove an edge from the
13169 (remove_fake_successors): New function to remove fake successor edges.
13170 (remove_fake_edges): New function to remove all fake edges from the
13172 (add_fake_exit_edges): New function to add fake edges from all blocks
13173 with no successors to the exit block.
13174 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
13175 prototypes for new functions.
13177 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13179 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
13180 Use Pmode to determine whether to output .dword or .word.
13182 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
13184 * tree.c (built_in_filename): New variable.
13185 (BUILT_IN_FILENAME): New macro.
13186 (init_tree_codes): Allocate built_in_filename.
13187 (make_node): Use built_in_filename instead of string constant.
13189 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
13191 * configure.in: Add fr30 target.
13192 * configure: Regenerate.
13193 * config/fr30: New directory.
13194 * config/fr30/crti.asm: New file.
13195 * config/fr30/fr30.c: New file.
13196 * config/fr30/crtn.asm: New file.
13197 * config/fr30/fr30.h: New file.
13198 * config/fr30/fr30.md: New file.
13199 * config/fr30/lib1funcs.asm: New file.
13200 * config/fr30/t-fr30: New file.
13201 * config/fr30/xm-fr30.h: New file.
13203 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
13205 * flow.c (merge_blocks_move_successor_nojumps): Delete the
13206 BARRIER at the end of the successor, not the BARRIER before
13209 * pa.c (pa_add_gc_roots): Fix thinko in last change.
13211 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
13213 * stmt.c (any_pending_cleanups): Don't crash when
13214 current_function->stmt is unset.
13216 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13218 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
13219 other initializations that may use it for relative offsets.
13221 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13223 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
13224 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
13225 * config/i386/sol2dbg.h: Removed.
13226 * config/i386/sol2gas.h: New file, to enable gas work-around.
13227 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
13228 Don't use sol2dbg.h.
13229 * configure: Rebuilt.
13231 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
13233 * invoke.texi (-fthis-is-variable): Remove documentation.
13235 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
13237 * basic-block.h (compute_bb_for_insn): Declare.
13238 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
13239 to use; set size of basic_block_for_insn directly.
13240 (find_basic_blocks): Update.
13242 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13244 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
13246 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13248 * crtstuff.c (ON_EXIT): Delete empty macro definition.
13249 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
13251 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
13253 * c-decl.c (c_decode_option): Extend comment.
13255 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
13257 * toplev.c (progname): Make 'const char *'
13258 (flag_print_mem): Move out of main.
13259 (version_flag): Move out of main.
13260 (filename): Move out of main.
13261 (debug_args): Remove g prefix from options.
13262 (documented_lang_options): Remove cpplib specific options.
13263 (display_help): Add g prefix to debug options.
13264 (check_lang_option): Delete this function.
13265 (decode_d_option): New function: Decode -d... option.
13266 (decode_f_option): New function: Decode -f... option.
13267 (decode_W_option): New function: Decode -W... option.
13268 (decode_g_option): New function: Decode -g... option.
13269 (independent_decode_option): New function: Decode a language
13270 independent command line option.
13271 (main): Invoke lang_decode_option and then
13272 independent_decode_option on each command line option in
13275 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
13277 Revert this change. Gavin's patch to operand_equal_p is a better fix.
13278 * fold-const.c (fold_range_test): Do not try to fold the range
13279 test if the rhs or lhs has side effects.
13281 * basic-block.h (compute_flow_dominators): Declare.
13283 * gcse.c (alloc_code_hoist_mem): New function.
13284 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
13285 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
13286 (hoist_code, one_code_hoisting_pass): Likewise.
13287 (gcse_main): If optimizing for size, then hoist expressions
13288 computed in multiple dominated basic blocks.
13290 * gcse.c (invalid_nonnull_info): New function.
13291 (delete_null_pointer_checks): Likewise.
13292 * rtl.h (delete_null_pointer_checks): Declare.
13293 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
13295 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
13296 (merge-blocks_move_successor_nojumps): Likewise.
13297 (merge_blocks): Allow merging of some blocks, even if it requires
13298 physical movement of the blocks, but not if it requires new jumps.
13300 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
13301 Callers and prototype changed.
13302 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
13304 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13306 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
13307 -YP when both -p and -pg are present. From i386/sol2.h.
13309 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13311 * Makefile.in (distclean): Delete tm_p.h.
13312 * configure.in: Create a new file, "tm_p.h", from a list in
13313 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
13314 "i386/i386-protos.h".
13316 * alias.c: Include "tm_p.h".
13317 * c-typeck.c: Likewise.
13318 * calls.c: Likewise.
13320 * emit-rtl.c: Likewise.
13321 * explow.c: Likewise.
13322 * expmed.c: Likewise.
13323 * expr.c: Likewise.
13324 * final.c: Likewise.
13325 * flow.c: Likewise.
13326 * fold-const.c: Likewise.
13327 * function.c: Likewise.
13328 * gcse.c: Likewise.
13329 * global.c: Likewise.
13330 * haifa-sched.c: Likewise.
13331 * integrate.c: Likewise.
13332 * jump.c: Likewise.
13333 * local-alloc.c: Likewise.
13334 * loop.c: Likewise.
13335 * optabs.c: Likewise.
13336 * recog.c: Likewise.
13337 * reg-stack.c: Likewise.
13338 * regclass.c: Likewise.
13339 * regmove.c: Likewise.
13340 * reload.c: Likewise.
13341 * reload1.c: Likewise.
13342 * reorg.c: Likewise.
13343 * resource.c: Likewise.
13344 * stmt.c: Likewise.
13345 * stor-layout.c: Likewise.
13346 * toplev.c: Likewise.
13347 * tree.c: Likewise.
13348 * unroll.c: Likewise.
13349 * genattrtab.c (main): Make generated file include "tm_p.h".
13350 * genemit.c (main): Likewise.
13351 * genoutput.c (main): Likewise.
13352 * genrecog.c (main): Likewise.
13354 * i386.h: Delete all prototypes.
13355 * i386.c: Include "tm_p.h".
13356 (ix86_attr_length_default): Call constant_call_address_operand
13357 with correct number of arguments.
13358 * i386-protos.h: New file.
13359 * i386.md (unnamed patterns): Call constant_call_address_operand
13360 with correct number of arguments.
13361 (exception_receiver): Call load_pic_register with correct number
13364 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
13366 * c-pragma.c (mark_align_stack): Dereference the void* properly.
13368 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
13370 * rtl.h (insns_safe_to_move_p): New function.
13371 * loop.c (find_and_verify_loops): Use it.
13372 * rtlanal.c (insns_safe_to_move_p): Define it.
13374 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
13376 * c-pragma.c: Include ggc.h.
13377 * Makefile.in (c-pragma.o): Update.
13379 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13381 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
13382 (LIB_SPEC): Likewise.
13383 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
13384 Reindent -YP/-p/-pg.
13385 Copied from config/sparc/sol2.h.
13387 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
13389 * c-pragma.c (mark_align_stack): New.
13390 (init_pragma): New.
13391 * c-pragma.h (init_pragma): Declare it.
13392 * c-lex.c (init_parse): Call it.
13394 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13396 * configure.in: Pick up thread library on Solaris/x86 just
13397 like on Solaris/sparc.
13398 * configure: Rebuilt.
13400 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
13402 * rtl.h (global_rtx_index): New enum.
13403 (global_rtl): Change to array of rtx.
13404 (pc_rtx, cc0_rtx): Redefine accordingly.
13405 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
13406 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
13407 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
13408 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
13409 (const_int_rtx): Change to array of rtx.
13410 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
13412 * emit-rtl.c (global_rtl): Change to array of rtx.
13413 (const_int_rtx): Change to aray of rtx.
13414 (gen_rtx_CONST_INT): Redefine accordingly.
13415 (init_emit_once): Allocate and initialize global_rtl. Likewise
13416 for const_int_rtx. Add both as GC roots.
13417 * genattrtab.c (global_rtl): Update declaration.
13419 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
13421 * Makefile (USER_H): Add iso646.h back.
13423 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
13425 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
13426 zapping the LOG_LINKS of sched_before_next_call.
13428 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
13429 * pa.c (insn_refs_are_delayed): Renamed from
13430 insn_sets_and_refs_are_delayed.
13432 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
13434 * functiion.h (struct function): Add x_whole_function_mode_p.
13435 (retrofit_block): Declare.
13436 * function.c (retrofit_block): New function.
13437 (identify_blocks): Add assertions. Allow an incomplete set of
13438 block notes if we're still generating code for the function.
13439 * integrate.c: Include loop.h.
13440 (expand_inline_function): Call find_loop_tree_blocks to map block
13441 notes to blocks when in whole-function mode. Use retrofit_block
13442 to insert new BLOCKs for the inlined function, rather than
13444 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
13445 * Makefile.in (integrate.o): Depend on loop.h.
13447 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13449 * tree.h (warn_about_unused_variables): Declare.
13450 * stmt.c (warn_about_unused_variables): New function, split out
13452 (expand_end_bindings): Here.
13454 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
13456 * stmt.c (preserve_subexpressions_p): Don't crash when
13457 current_function->stmt is unset.
13459 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
13461 * stmt.c (expand_start_bindings): Allow callers to pass a flag
13462 indicating that no NOTE_INSN_BLOCK_BEG note is required.
13463 (expand_start_target_temps): Use it.
13464 * except.c (expand_eh_region_start_for_decl): Likewise.
13465 * expr.c (expand_expr): Likewise.
13467 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
13469 * fold-const.c (operand_equal_p): Pay attention to side effects.
13471 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13473 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
13474 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
13476 * tlink.c (scan_linker_output): Look for keywords before accepting
13477 a mangled name in quotes.
13479 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
13481 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
13482 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
13484 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
13486 * alpha.md: Revert Thu Nov 26 change that came in through the
13487 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
13488 Avoid earlyclobber when possible.
13490 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13492 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
13494 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
13495 Define HAVE_ON_EXIT.
13497 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13499 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
13500 CTYPE_CONV in all ctype macros.
13502 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
13505 * cexp.y (initialize_random_junk): Likewise.
13507 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
13509 * i370.c (handle_pragma): Likewise.
13511 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
13513 * v850.c (override_options): Likewise.
13515 * doprint.c (_doprnt): Likewise.
13517 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
13520 * fixinc/server.c (load_data): Likewise.
13522 * fold-const.c (real_hex_to_f): Likewise.
13524 * genattr.c (write_upcase, gen_attr): Likewise.
13526 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
13527 write_upcase): Likewise.
13529 * genemit.c (print_code): Likewise.
13531 * genopinit.c (gen_insn): Likewise.
13533 * genpeep.c (print_code): Likewise.
13535 * genrecog.c (print_code): Likewise.
13537 * optabs.c (init_libfuncs): Likewise.
13539 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
13541 * haifa-sched.c (sched_analyze): Keep the list of notes organized
13543 (reemit_notes): Likewise.
13545 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
13547 * ggc.h (ggc_root): Move to ggc-common.c.
13549 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
13550 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
13551 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
13552 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
13553 * ggc-common.c (ggc_root): Move from ggc.h.
13554 (roots): Declare, static.
13555 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
13556 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
13557 null or check/set mark bit.
13558 (ggc_mark_roots): New.
13559 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
13561 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
13563 * m32r.c: Include toplev.h.
13564 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
13565 (gen_compare): Rename swap_p to must_swap to match uses.
13566 Add default abort case.
13567 (m32r_output_function_epilogue): Remove unused variables.
13568 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
13569 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
13570 define to empty parameter list. Update all uses.
13571 (predicate decls): Use enum machine_mode not int.
13572 * m32r.md (movsi): Call abort, not fatal_insn.
13573 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
13575 1999-09-14 Andrew Haley <aph@cygnus.com>
13577 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
13578 use $0 instead of 0.
13580 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13582 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
13583 computation out of loop over hard regs.
13585 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
13587 * function.c (identify_blocks): Don't shadow a variable in an
13589 * integrate.c (integrate_decl_tree): Don't use pushlevel,
13590 pushdecl, or poplevel to build up the new BLOCK tree.
13591 (expand_inline_function): Likewise.
13592 (integrate_parm_decls): Likewise.
13594 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
13596 * c-typeck.c (qualify_type): Merge qualifiers from both types.
13598 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
13600 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
13601 * invoke.texi: Document this change.
13603 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
13605 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
13607 (mark_emit_status): Renamed from mark_emit_state.
13608 * except.c (mark_eh_status): Renamed from mark_eh_state.
13609 Check not null before marking.
13610 (free_eh_status): New.
13611 * expr.c (mark_expr_status, free_expr_status): New.
13612 * function.c (free_machine_status): New.
13613 (free_after_parsing): New.
13614 (free_after_compilation): Move bits to free_after_parsing; call
13615 free_eh_status, free_expr_status; zero the marked members of the
13617 (prepare_function_start): No can_garbage_collect.
13618 Call init_eh_for_function.
13619 (expand_dummy_function_end): Free up current_function state.
13620 (mark_function_status): Renamed from mark_function_state.
13621 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
13622 * function.h (struct function): No can_garbage_collect.
13623 (free_machine_status, free_after_parsing): Declare.
13624 (free_eh_status, free_expr_status): Declare.
13625 * ggc.h (mark_expr_status): Declare.
13626 * stmt.c (free_stmt_status): Free the struct.
13627 (mark_stmt_status): Renamed from mark_stmt_state.
13628 (init_stmt): Don't call init_eh.
13629 (init_stmt_for_function): Don't call init_eh_for_function.
13630 * toplev.c (compile_file): Call init_eh.
13631 (rest_of_compilation): Free basic block info before ggc_collect.
13632 Call free_after_parsing; conditionally call free_after_compilation.
13633 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
13634 Check not null before marking.
13635 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
13637 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
13639 * c-lex.c (yylex): Initialize warn.
13641 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
13643 * pa.c (emit_move_sequence): Properly set the mode of the scratch
13644 register when performing secondary reloads for the SAR register.
13646 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
13648 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
13649 (NOTE_BLOCK): New macro.
13650 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
13651 * function.h (identify_blocks): Change prototype.
13652 * function.c (identify_blocks): Simplify.
13653 (reorder_blocks): Likewise.
13654 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
13655 NOTE_INSN_BLOCK_{BEG,END}.
13656 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
13657 the list of saved notes if the note isn't a
13658 NOTE_INSN_BLOCK_{BEG,END}.
13659 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
13661 (reemit_notes): Adjust recreation of notes to reflect new saved
13663 * print-rtl.c (print_rtx): Print the address of the BLOCK when
13664 printing a block note.
13665 * stmt.c (block_vector): Remove.
13666 (find_loop_tree_blocks): Simplify.
13667 (unroll_block_trees): Likewise.
13668 * tree.h (reorder_block): Change prototype.
13670 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
13672 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
13673 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
13674 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
13675 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
13676 (atexit, exit): Simplify.
13677 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
13678 * config/lots: Remove defns of HAVE_ATEXIT.
13680 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
13682 * calls.c (precompute_arguments): Fix typo in comment.
13683 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
13686 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
13688 * dsp16xx.c (override_options): Fix typos in GC root registration.
13690 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
13692 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
13693 from config/svr4.h.
13694 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
13695 (FUNCTION_PROFILER): Redefine appropriately for Linux.
13696 (CC1_SPEC): Likewise.
13698 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13700 * genattr.c (main): Add extern prototype. Call return, not exit.
13701 * genattrtab.c (main): Likewise.
13702 * gencheck.c (main): Likewise.
13703 * gencodes.c (main): Likewise.
13704 * genconfig.c (main): Likewise.
13705 * genemit.c (main): Likewise.
13706 * genextract.c (main): Likewise.
13707 * genflags.c (main): Likewise.
13708 * gengenrtl.c (main): Likewise.
13709 * genopinit.c (main): Likewise.
13710 * genoutput.c (main): Likewise.
13711 * genpeep.c (main): Likewise.
13712 * genrecog.c (main): Likewise.
13714 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
13715 * genattrtab.c (get_insn_name): Likewise.
13716 * gencodes.c (get_insn_name): Likewise.
13717 * genconfig.c (get_insn_name): Likewise.
13718 * genemit.c (get_insn_name): Likewise.
13719 * genextract.c (get_insn_name): Likewise.
13720 * genflags.c (get_insn_name): Likewise.
13721 * genopinit.c (get_insn_name): Likewise.
13722 * genpeep.c (get_insn_name): Likewise.
13724 * gencheck.c (usage): Add static prototype.
13725 * genextract.c (print_path): Constify a char*.
13726 * genopinit.c (optabs): Likewise.
13727 * genoutput.c (operand_data, data, output_predicate_decls,
13728 compare_operands): Likewise.
13729 * genrecog.c (write_tree): Add default case in switch.
13731 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13733 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
13735 * print-rtl.c (get_insn_name): Remove prototype.
13737 * toplev.h (progname): Declare const.
13739 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
13740 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
13741 dump_sched_info, dump_local_alloc, regset_release_memory,
13742 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
13743 error_with_file_and_line, error_with_decl, error_for_asm, error,
13744 fatal, warning_with_file_and_line, warning_with_decl, warning,
13745 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
13746 Remove redundant prototypes.
13748 (notice, check_lang_option, report_file_and_line, vnotice,
13749 mark_file_stack): Add static prototype.
13750 (set_fatal_function): Add prototype.
13751 (vnotice, report_file_and_line, set_fatal_function,
13752 check_lang_option): Constify a char*.
13753 (main): Prototype. Call return, not exit.
13755 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13757 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
13759 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
13761 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
13763 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
13765 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13767 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
13768 behave as if it's zero in all cases.
13769 (expand_function_start): Adjust call to assign_parms.
13770 * tree.h (assign_parms): Adjust prototype.
13771 * objc/objc-act.c (hack_method_prototype): Adjust call to
13774 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
13776 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
13777 arg_pointer_rtx fixed if the argument pointer register is
13779 (NONZERO_BASE_PLUS_P): Likewise.
13781 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
13783 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
13784 match_insn2 to match_insn.
13785 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
13787 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
13789 * Makefile.in (USER_H): Remove va-foo.h.
13791 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
13792 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
13793 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
13794 va-spur.h,va-v850.h}: Remove.
13796 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
13798 * sparc/sparc.md (eligible_for_return_delay): New attribute.
13799 (in_return_delay): Use it instead of match_insn.
13801 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13803 * config/alpha/va_list.h (va-alpha.h): Do not include.
13804 (__gnuc_va_list): Typedef as in varargs.h.
13806 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
13808 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
13809 DECL_LIVE_RANGE_RTL.
13811 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
13813 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
13814 not NOTE_BLOCK_NUMBER.
13815 (expand_eh_region_end): Likewise.
13816 (find_exception_handler_labels): Likewise.
13817 (scan_region): Likewise.
13818 (exception_optimize): Likewise.
13819 (update_rethrow_references): Likewise.
13820 (set_insn_eh_region): Likewise.
13821 * final.c (final_scan_insn): Likewise.
13822 * flow.c (make_edges): Likewise.
13823 * integrate.c (expand_inline_function): Likewise.
13824 * print-rtl.c (print_rtx): Likewise.
13826 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
13828 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
13829 terms of builtin functions and types.
13831 * mips.c (mips_build_va_list): New.
13832 (mips_va_start, mips_va_arg): New.
13833 * mips.h (BUILD_VA_LIST_TYPE): New.
13834 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
13836 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
13837 (sh_build_va_list, sh_va_start, sh_va_arg): New.
13838 * sh.h (BUILD_VA_LIST_TYPE): New.
13839 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
13841 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
13843 * recog.h (struct recog_data): Make dup_num, operand_address_p,
13844 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
13845 (struct insn_data): Likewise with n_operands, n_dups,
13846 n_alternatives, output_format.
13847 * regclass.c (scan_one_insn): Cast n_operands to int before
13848 arithmetic inside comparison.
13850 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
13852 * toplev.c (compile_function): Unconditionally emit nop.
13854 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13856 * haifa-sched.c (actual_hazard): Move declaration of variable
13857 `this_cost' into the scope where it is used.
13859 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13861 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
13862 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
13863 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
13865 * genrecog.c (make_insn_sequence): Call memset, not bzero.
13867 * jump.c (find_insert_position): Don't declare or define unless
13868 !HAVE_conditional_arithmetic.
13869 (returnjump_p_1, delete_prior_computation): Add static prototypes.
13871 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
13873 * recog.c (offsettable_address_p): Prototype function pointer.
13874 (preprocess_constraints): Call memset, not bzero.
13876 * tree.c (tree_node_kind_names): Constify a char*. Make static.
13877 (gcc_obstack_init): Don't declare.
13878 (fix_sizetype): Add static prototype.
13879 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
13880 (tree_cons): Call memset, not bzero.
13882 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
13883 definition in macro ASM_WEAKEN_LABEL.
13884 (mark_const_hash_entry): Add static prototype.
13886 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13888 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
13890 * unroll.c (find_common_reg_term, subtract_reg_term,
13891 loop_find_equiv_value): Add static prototypes.
13892 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
13893 (copy_loop_body): Remove unreachable break statement.
13895 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
13897 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
13899 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13901 Undo some changes from the gcc2 merge:
13902 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
13903 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
13907 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
13908 * emit-rtl.c (gen_lowpart_common): Disable optimization of
13909 initialized float-int union if the value is a NaN.
13911 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
13913 * gthr-win32.h: New file.
13915 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
13916 shared as a valid attribute.
13917 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
13918 * extend.texi: Document `shared' variable attribute.
13920 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
13922 * configure.in: Handle --enable-threads on FreeBSD.
13923 * configure: Rebuit.
13925 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
13927 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
13929 * configure: Rebuilt.
13931 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
13932 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
13933 Rosimildo DaSilva <rdasilva@connecttel.com>
13935 * configure.in (m68k-*-rtemscoff*): Added.
13936 * configure.in (mips64orion-*-rtems*): Converted to ELF.
13937 * configure.in (sparc-*-rtemsaout*): Added as alias for old
13938 sparc-rtems configuration.
13939 * configure.in (sparc-*-rtemself*): Added.
13940 * configure.in (sparc-*-rtems*): Now ELF not a.out.
13941 * config/i386/rtems.h: Added comment.
13942 * config/sparc/rtemself.h: New file.
13944 * configure.in (m68k-rtemself): Added.
13945 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
13946 and DWARF_DEBUGGING_INFO.
13947 * config/m68k/crti.s: New file.
13948 * config/m68k/crtn.s: New file.
13949 * config/m68k/t-crtstuff: New file.
13950 * config/m68k/rtemself.h: New file.
13952 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
13953 global ctor/dtor and C++ exception handling.
13954 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
13955 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
13957 * config/i386/t-rtems-i386: New File.
13959 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
13961 * stmt.c (expand_end_case): Return right away if the case stack is
13964 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
13966 * Makefile.in (version.c): Remove rule incorrectly brought in from
13969 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
13971 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
13972 * msdos/top.sed: Take into account a prepended $(SHELL) to
13974 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
13976 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
13978 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13980 * regmove.c (fixup_match_1): Don't change an unchanging register.
13981 (stable_but_for_p): Renamed to:
13982 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
13983 Changed all callers.
13985 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
13987 * loop.c (strength_reduce): Don't call reg_used_between_p if the
13988 insn from BL2 is after the insn from BL.
13990 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
13992 * recog.h (INSN_OUTPUT_FORMAT_*): New.
13993 (struct insn_data): Merge `template' and `outfun' into `output'.
13994 Add `output_format'.
13995 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
13996 (struct data): Remove `outfun'; add `output_format'.
13997 (name_for_index): Remove declaration.
13998 (output_insn_data): Handle output formats.
13999 (process_template): Emit the bare array for @.
14000 (gen_expand, gen_split): Set output_format to NONE.
14001 * output.h (get_insn_template): Declare.
14002 * final.c (get_insn_template): New.
14003 (final_scan_insn): Use it.
14004 * toplev.c (compile_file): Likewise.
14006 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14007 * i860/i860.c (output_delayed_branch): Likewise.
14008 (output_delay_insn): Likewise.
14010 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14012 * rtl.c (obstack_alloc_rtx): Removed.
14014 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
14016 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
14018 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14020 * i386.c (call_insn_operand): Reject const_int.
14021 (expander_call_insn_operand): Use call_insn_operand.
14023 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14025 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
14027 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
14029 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
14030 Use DImode operation.
14032 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
14034 * gcc.c: Include sys/resource.h.
14035 (report_times): New flag.
14036 (execute): If report_times is set, calculate and report the
14037 CPU time consumed by each subprocess.
14039 (rus, prus): New globals.
14040 (option_map): Add --time.
14041 (display_help): Document -time.
14042 (process_command): Set report_times if -time is given.
14043 Turn off -pipe if -time is given.
14045 * invoke.texi: Document new option -time.
14047 * configure.in: Check for getrusage. Check if we have to
14048 prototype getrusage.
14049 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
14050 * configure: Regenerate.
14051 * config.in: Regenerate.
14053 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
14055 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
14058 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
14060 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
14061 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
14062 (nan): Return _thenan_sf or _thenan_df as appropriate.
14063 (L_thenan_sf): Define _thenan_sf.
14064 (L_thenan_df): Define _thenan_df.
14066 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
14067 (DPBIT_FUNCS): Add _thenan_df.
14069 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
14071 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
14074 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14076 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
14079 (lang_specific_driver): Don't take a function pointer parameter.
14080 All callers changed.
14082 * gcc.c: Include gcc.h.
14083 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
14084 lang_specific_extra_outfiles, fatal): Don't declare.
14085 (multilib_defaults_raw): Constify.
14086 (read_specs): Call memset, rather than bzero.
14087 (main): Call return, not exit.
14088 (lookup_compiler): Call memcpy, not bcopy.
14089 (fatal): Make extern.
14091 * cppspec.c: Include gcc.h.
14092 (lang_specific_driver): Initialize variable `quote'. Constify a
14093 char*. All calls to the function pointer parameter now
14094 explicitly call `fatal'.
14096 * gccspec.c (lang_specific_driver): Include gcc.h.
14098 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
14100 * arm.c (note_invalid_constants): Use recog_data.operand_type
14103 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14105 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
14108 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
14109 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14110 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14111 reload_secondary_in_reload, reload_secondary_out_reload,
14112 reload_secondary_in_icode, reload_secondary_out_icode,
14113 reload_reg_rtx, reload_when_needed): Delete declarations.
14114 (struct reload): New structure.
14115 (rld): Declare new array.
14116 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
14117 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14118 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14119 reload_secondary_in_reload, reload_secondary_out_reload,
14120 reload_secondary_in_icode, reload_secondary_out_icode,
14121 reload_reg_rtx, reload_when_needed): Delete definitions.
14123 (whole file): Replace uses of the deleted arrays with uses of rld.
14124 * reload1.c (whole file): Replace uses of the deleted arrays with
14126 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
14127 explicit loops, not with bcopy.
14129 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
14131 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
14132 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
14133 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
14134 insn_name): Delete and consolidate into new structures.
14135 (insn_operand_predicate_fn): New.
14136 (insn_output_fn): New.
14137 (insn_gen_fn): New.
14138 (struct insn_operand_data): New.
14139 (struct insn_data): New.
14141 (OUT_FCN): Update for insn_data change.
14142 * builtins.c (expand_builtin_strlen): Likewise.
14143 (expand_builtin_memcmp): Likewise.
14144 * combine.c (make_extraction, simplify_comparison): Likewise.
14145 * cse.c (canon_reg, cse_insn): Likewise.
14146 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
14147 * expmed.c (store_bit_field, extract_bit_field): Likewise.
14148 (emit_store_flag): Likewise.
14149 * expr.c (convert_move, emit_block_move): Likewise.
14150 (clear_storage, emit_push_insn, expand_increment): Likewise.
14151 (do_store_flag): Likewise.
14152 * expr.h (GEN_FCN): Likewise.
14153 (insn_gen_function): Die.
14154 * final.c (final_scan_insn): Update for insn_data change.
14155 (output_asm_name): Likewise.
14156 * function.c (fixup_var_refs_1): Likewise.
14157 * loop.c (check_dbra_loop): Likewise.
14158 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
14159 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
14160 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
14161 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
14162 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
14163 * regmove.c (gen_add3_insn): Likewise.
14164 * reload.c (push_secondary_reload, combine_reloads): Likewise.
14165 (find_reloads, find_reloads_address_1): Likewise.
14166 (debug_reload_to_stream): Likewise.
14167 * reload1.c (emit_reload_insns, gen_reload): Likewise.
14168 * stmt.c (expand_end_case): Likewise.
14169 * toplev.c (compile_file): Likewise.
14171 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14172 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14174 * print-rtl.c (insn_name_ptr): Remove declaration.
14175 (get_insn_name): Declare.
14176 (print_rtx): Use it.
14177 * genoutput.c (insn_name_ptr): Remove.
14178 (next_operand_number): New.
14179 (struct operand_data): New.
14180 (null_operand, odata, odata_end): New.
14181 (struct data): Use struct operand_data.
14182 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
14183 (get_insn_name): Renamed from name_for_index.
14184 (output_prologue): Define NO_MD_PROTOTYPES.
14185 (output_predicate_decls): Break out from output_epilogue.
14186 Iterate over the operands list.
14187 (output_operand_data): Break out from output_epilogue. Emit
14188 just the operands list.
14189 (output_insn_data): Break out from output_epilogue. Emit just
14191 (output_epilogue): Remove.
14192 (output_get_insn_name): New.
14193 (constraints, op_n_alternatives, predicates, address_p): Die.
14194 (modes, strict_low, seen): Die.
14195 (scan_operands): Take new param `d' instead of writing to
14196 seven global variables.
14197 (compare_operands): New.
14198 (place_operands): New.
14199 (validate_insn_alternatives): Update for struct data change.
14200 (gen_insn): Don't zero or copy 7 global arrays. Update for
14201 scan_operands; call place_operands.
14202 (gen_peephole, gen_expand, gen_split): Likewise.
14203 (main): Update for new output routines.
14205 * genattr.c (insn_name_ptr): Remove.
14206 (get_insn_name): New function.
14207 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
14208 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
14209 * genrecog.c: Likewise.
14211 * alpha.md (adddi3): Make `pattern' array static.
14213 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14215 * config/c4x/c4x.h (c4x_rpts_cycles_string,
14216 c4x_cpu_version_string): Constify char *.
14217 * config/c4x/c4x.c (c4x_rpts_cycles_string,
14218 c4x_cpu_version_string): Likewise.
14220 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
14222 * tree.c (save_tree_status): Revert 10 Sep change.
14223 (restore_tree_status): Likewise. Call obstack_free with NULL
14224 before freeing the obstack proper.
14226 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
14228 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
14230 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
14231 surrounding context.
14233 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
14235 * tree.c (type_hash_canon): Put all types in the hash-table, when
14238 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
14240 * recog.h (struct recog_data, recog_data): New.
14241 (recog_foo variables): Kill.
14242 * recog.c (recog_operand, recog_operand_loc): Kill.
14243 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
14244 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
14245 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
14246 (recog_data): Define.
14247 (extract_insn): Update all recog_foo references to use recog_data.
14248 (preprocess_constraints, constrain_operands): Likewise.
14249 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
14250 * genattrtab.c (main): Likewise.
14251 * genextract.c (main): Likewise.
14252 * genoutput.c: Likewise.
14253 * genrecog.c (write_subroutine, main): Likewise.
14254 * local-alloc.c (block_alloc): Likewise.
14255 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
14256 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
14257 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
14258 * reload.c (find_reloads, find_reloads_toplev): Likewise.
14259 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
14260 (reload_cse_simplify_operands): Likewise.
14262 * arc/arc.c (arc_final_prescan_insn): Likewise.
14263 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
14264 * h8300/h8300.c (notice_update_cc): Likewise.
14265 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
14266 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14267 * mn10200/mn10200.c (notice_update_cc): Likewise.
14268 * mn10300/mn10300.c (notice_update_cc): Likewise.
14269 * romp/romp.c (update_cc): Likewise.
14270 * sparc/sparc.c (check_pic): Likewise.
14271 * v850/v850.c (notice_update_cc): Likewise.
14273 * genemit.c (main): Don't declare recog_operand.
14275 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
14277 * ggc.h (rtvec_def): Forward declare.
14278 (tree_node): Likewise.
14279 (ggc_root): Define.
14281 (ggc_set_mark_rtx): Add prototype.
14282 (ggc_set_mark_rtvec): Likewise.
14283 (ggc_set_mark_tree): Likewise.
14284 * ggc-simple.c (ggc_root): Don't define.
14285 (roots): Don't declare.
14286 (ggc_mark_rtx): Remove.
14287 (ggc_mark_rtvec): Likewise.
14288 (ggc_mark_tree): Likewise.
14289 (ggc_mark_varray): Likewise.
14290 (ggc_mark_tree_hash_table_entry): Likewise.
14291 (ggc_mark_tree_hash_table): Likewise.
14292 (ggc_set_mart_rtx): New function.
14293 (ggc_set_mark_rtvec): Likewise.
14294 (ggc_set_mark_tree): Likewise.
14295 (ggc_add_root): Remove.
14296 (ggc_add_rtx_root): Likewise.
14297 (ggc_remove_tree_root): Likewise.
14298 (ggc_add_string_root): Likewise.
14299 (ggc_add_tree_varray_root): Likewise.
14300 (ggc_add_tree_hash_table_root): Likewise.
14301 (ggc_del_root): Likewise.
14302 (ggc_mark_rtx_ptr): Likewise.
14303 (ggc_mark_tree_ptr): Likewise.
14304 (ggc_mark_string_ptr): Likewise.
14305 (ggc_mark_tree_varray_ptr): Likewise.
14306 (ggc_mark_tree_hash_table_ptr): Likewise.
14307 * ggc-common.c: New file.
14308 * Makefile.in (OBJS): Add ggc-common.o.
14309 (ggc-common.o): List dependencies.
14311 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
14313 * cppalloc.c (xstrdup): Use memcpy.
14314 * cpperror.c (cpp_print_containing_files): Don't use
14316 * cpplib.c (conditional_skip): Set temp->lineno.
14317 (do_endif): Make error message less obscure.
14318 (if_directive_name): New function.
14319 (cpp_get_token [case EOF]): Unwind the if stack and generate
14320 error messages for each unterminated conditional in this file.
14321 (parse_string): Do not behave differently if -traditional.
14323 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
14325 * builtins.c (expand_builtin_va_arg): Cope with an array-type
14326 va_list decomposing to pointer-type.
14327 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
14328 (rs6000_va_arg): Likewise.
14330 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
14332 * except.c (start_dynamic_handler): Compute size using
14333 STACK_SAVEAREA_MODE.
14335 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14337 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
14338 include directory headers. Don't define strrchr. Don't provide
14339 my_* replacement functions. Prefer PTR over `pointer_type'.
14340 Don't prototype system functions. Don't redefine getopt.
14342 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
14343 safe_read, safe_write, save_pointers, restore_pointers,
14344 is_id_char, in_system_include_dir, directory_specified_p,
14345 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
14346 find_corresponding_lparen, referenced_file_is_newer,
14347 save_def_or_dec, munge_compile_params, gen_aux_info_file,
14348 process_aux_info_file, identify_lineno, check_source,
14349 seek_to_line, forward_to_next_token_char, output_bytes,
14350 output_string, output_up_to, other_variable_style_function,
14351 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
14352 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
14353 find_static_definition, connect_defs_and_decs, add_local_decl,
14354 add_global_decls, needs_to_be_converted, visit_each_hash_node,
14355 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
14356 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
14357 scan_for_missed_items, edit_file, string_list_cons): Add static
14359 (standard_exec_prefix, target_machine, target_version,
14360 default_syscalls_dir, string_list, string_list_cons, find_file,
14361 do_cleaning): Constify a char*.
14362 (safe_read, safe_write): Use PTR, not a char*.
14363 (is_id_char): Take an int, not a char.
14364 (main): Add prototype. Call return, not exit.
14366 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
14368 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
14369 when comparing types.
14371 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
14373 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
14374 (strength_reduce): Release the varrays from the no-bivs early exit.
14376 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
14377 the loop over the registers.
14379 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
14381 (restore_tree_status): Check that instead when freeing the obstack.
14383 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
14385 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
14388 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14390 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
14391 operand size modifiers.
14393 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14395 * c-common.c (c_common_nodes_and_builtins): Don't build
14397 * c-common.h (enum c_tree_index and related accesor macros): Remove
14398 everything now declared in tree.h.
14399 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14400 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
14401 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
14402 (error_mark_node, void_type_node, char_type_node, integer_type_node,
14403 unsigned_type_node, ptr_type_node, va_list_type_node,
14404 integer_zero_node, null_pointer_node, integer_one_node): Delete.
14405 (init_decl_processing): Call build_common_tree_nodes and
14406 build_common_tree_nodes_2 instead of building their nodes here.
14407 Don't add roots for these nodes.
14408 * stor-layout.c (size_zero_node, size_one_node): Delete.
14409 (set_sizetype): Make a new node for bitsizetype each time.
14410 * tree.c (global_trees): New variable.
14411 (init_obstacks): Add a gc root for it.
14412 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14413 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
14414 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
14415 (build_common_tree_nodes): New function.
14416 (fix_sizetype): New function.
14417 (build_common_tree_nodes_2): New function.
14418 * tree.h (enum tree_index): New.
14419 (global_trees): Declare.
14420 Add accessor macros for all nodes now moved to global_trees.
14421 Delete their declarations.
14423 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
14425 * c-decl.c (finish_function): When processing a nested function,
14426 push and pop GC context around rest_of_compilation.
14428 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
14430 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
14431 Default ix86_arch to PROCESSOR_I386.
14432 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
14433 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
14434 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
14435 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
14436 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
14437 (EXTRA_SPECS): Remove deleted specs.
14439 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
14441 * function.c (assign_stack_local_1): Allocate from
14442 function->x_frame_offset, not frame_offset.
14444 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
14446 * ggc.h (lang_cleanup_tree): Remove.
14447 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
14448 * ggc-callbacks.c (lang_cleanup_tree): Remove.
14450 * c-decl.c (finish_struct): Use ggc_alloc to allocate
14451 TYPE_LANG_SPECIFIC when garbage collecting.
14452 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
14453 (lang_cleanup_tree): Remove.
14455 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
14457 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
14458 * crtstuff.c: Not here.
14459 * dwarf2out.c: Or here.
14460 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
14463 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
14465 * function.h (free_after_compilation): Remove decl parameter.
14466 (free_varasm_status0: Likewise.
14467 (free_emit_status): Likewise.
14468 (free_stmt_status): Likewise.
14469 (free_after_compilation): Likewise.
14470 (init_lang_status): New variable.
14471 (free_lang_status): Likewise.
14472 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
14473 * function.c (init_lang_status): New variable.
14474 (free_lang_status): Likewise.
14475 (push_function_context_to): Don't set function::decl here.
14476 (free_after_copmilation): Make decl parameter implicit. Call
14477 free_lang_status if defined.
14478 (prepare_function_start): Call init_lang_status if defined.
14479 (init_function_start): Set function::decl here.
14480 * profile.c (output_func_start_profiler): Don't call pushdecl
14481 until we've actually started the function.
14482 * stmt.c (free_stmt_status): Make decl parameter implicit.
14483 * toplev.c (rest_of_compilation): Don't pass decl to
14484 free_after_compilation.
14485 * varasm.c (free_varasm_status): Likewise.
14487 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14489 * except.c (call_get_eh_context): Add root when allocating static
14492 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
14494 * arm.c: Include "ggc.h".
14495 (arm_add_gc_roots): New function.
14496 (arm_override_options): Call it.
14497 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
14499 * arm.md (define_asm_attributes): Add a pool_range attribute.
14501 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
14503 * extend.texi (Volatiles): New node.
14505 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
14507 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
14508 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
14509 (struct ggc_any): Replace `mark' with `magic_mark'.
14510 (ggc_alloc_string): Use memcpy, not bcopy.
14511 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
14512 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
14513 (ggc_free_any): New.
14514 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
14515 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
14516 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
14517 Use IS_MARKED. Use ggc_free_any.
14519 1999-09-09 Scott Bambrough <scottb@netwinder.org>
14521 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
14523 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
14525 * toplev.c (main): Always init_ggc.
14527 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
14529 * except.c (find_all_handler_type_matches): Free the list if
14530 we found no matches.
14532 * combine.c (SUBST): Break out to a real function do_SUBST.
14533 (SUBST_INT): Likewise.
14534 * gcse.c (free_pre_mem): Free `temp_bitmap'.
14535 (pre_insert): Free `inserted'.
14536 * loop.c (basic_induction_var): Always set `location'.
14538 * function.c (expand_function_end): Add initial_trampoline as a root.
14539 * rtl.h (init_varasm_once): Declare.
14540 * toplev.c (compile_file): Call it.
14541 * ggc-simple.c (ggc_mark_string_ptr): New.
14542 (ggc_add_string_root): New.
14543 (ggc_collect): Disable collection avoidance temporarily.
14544 * ggc.h (ggc_add_string_root): Declare.
14545 * except.c (create_rethrow_ref): Use ggc_alloc_string.
14546 * optabs.c (init_libfuncs): Likewise.
14547 * varasm.c (named_section): Use ggc_alloc_string.
14548 (make_function_rtl): Likewise.
14549 (make_decl_rtl): Likewise.
14550 (assemble_static_space): Likewise.
14551 (assemble_trampoline_template): Likewise.
14552 (output_constant_def): Likewise.
14553 (force_const_mem): Likewise.
14554 (mark_const_hash_entry): New.
14555 (mark_pool_sym_hash_table): New.
14556 (mark_varasm_state): Use it.
14557 (init_varasm_once): New.
14559 * expr.h (init_one_libfunc): Declare.
14560 * optabs.c (init_one_libfunc): New.
14561 (init_optabs): Use it.
14562 * config/gofast.h: Likewise.
14563 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
14564 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
14566 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
14568 * Makefile.in (cppexp.o): Depend on cpphash.h.
14569 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
14571 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
14572 * cpplib.c (do_define): Generalise to handle poisoned definitions,
14573 redefining poisoned identifiers, etc.
14574 (do_undef): Don't allow poisoned identifiers to be undefined.
14575 (do_pragma): Add #pragma poison.
14576 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14578 * cccp.c: Add T_POISON node type.
14579 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
14581 (do_define): Generalise to handle poisoned definitions,
14582 redefining poisoned identifiers, etc.
14583 (do_undef): Don't allow poisoned identifiers to be undefined.
14584 (do_pragma): Add #pragma poison.
14585 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14587 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
14588 * c-pragma.h: Add ps_poison state. We now always have generic
14591 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
14593 * ggc.h (ggc_alloc): New function.
14594 (ggc_mark): Likewise.
14595 * ggc-simple.c (ggc_any): New structure.
14596 (ggc_status): Add anys.
14597 (n_anys_collected): New variable.
14598 (ggc_alloc): Define.
14599 (ggc_mark): Likewise.
14600 (ggc_collect): Collect the anys.
14602 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14604 * c-decl.c (mark_binding_level): Make static to match prototype.
14606 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
14608 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
14610 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
14612 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
14613 will use into account. Expand the max width to 5.
14616 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
14618 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
14619 for the rtx length.
14621 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
14623 * alpha.md (call value patterns): Remove the result predicates.
14625 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
14627 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
14630 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14632 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
14633 changed from extern char *, to extern PTR. Also fix typo in
14634 NEED_DECLARATION_REALLOC test.
14636 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
14638 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14640 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
14641 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
14642 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
14643 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
14645 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
14647 * cccp.c (pcfinclude): Likewise.
14649 * global.c (allocno_compare): Likewise.
14651 * haifa-sched.c (rank_for_schedule): Likewise.
14653 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
14655 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
14657 * stupid.c (stupid_reg_compare): Likewise.
14659 * tree.c (_obstack_allocated_p): Likewise.
14661 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
14663 1999-09-08 Bruce Korb autogen@linuxbox.com
14665 * Makefile.in: Give the hapless gperf user a hint about
14666 why "gperf -F" fails.
14668 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
14670 * lists.c: Include ggc.h.
14672 (init_EXPR_INSN_LIST_cache): Install it.
14674 * ggc-simple.c (init_ggc): Absorb the old init.
14675 (ggc_push_context): Use xcalloc.
14676 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
14677 (ggc_collect): Add [rvts] tags to the collection stats.
14679 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
14681 * cccp.c (main): Fix handling of -include and -imacros options.
14683 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
14685 * cpplib.c (cpp_push_buffer): Fix order of arguments.
14687 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14689 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
14692 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
14694 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
14695 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
14696 and SET_DEST. Update comment.
14698 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14700 * config/c4x/c4x.c: Include ggc.h.
14701 (c4x_add_gc_roots): New function.
14702 (c4x_override_options): Call c4x_add_gc_roots.
14704 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
14706 * defaults.h (TARGET_ESC): Move ...
14707 * system.h: ... here, where Linas had it in the first place. Silly me.
14709 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
14711 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
14712 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
14713 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
14714 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
14715 * defaults.h (TARGET_ESC): Add default.
14717 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
14719 * configure.in: add i370-*-openedition, i370-*-mvs and
14720 i370-*-linux targets
14722 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
14724 * dsp16xxx.c: Include ggc.h
14725 (override_options): Mark GC roots.
14726 * mn10200.c: Include ggc.h.
14727 (asm_file_start): Mark GC roots.
14728 * tahoe.c: Include ggc.h.
14729 (extensible_operand): Mark GC roots.
14731 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
14733 * README: Add section discussing status of ELF ABI.
14734 * i370.c: Fix misc spelling mistakes.
14735 (i370_label_scan): Updated notes, exception handling.
14736 (i370_function_prolog): Simplify ELF stack handling.
14737 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
14738 (STACK_GROWS_DOWNWARD): ELF stack grows down.
14739 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
14740 * i370.md: (movdi): Add notes.
14741 (floatsidf2): Use stack not rtca for scratch float area.
14742 (iorsi3): Correct operand constraints.
14743 * x-oe: Restore TAROUTOPTS which are used by pax.
14745 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
14747 * rs6000.c: Include ggc.h.
14748 (rs6000_add_gc_roots): New function.
14749 (override_options): Call it.
14751 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
14753 * alpha.h (alpha_compare): New.
14754 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
14755 * alpha.c: Likewise for the definitions.
14756 (alpha_emit_conditional_branch): Update for alpha_compare.
14757 (alpha_emit_conditional_move): Likewise.
14758 * alpha.md (cmpdf, cmpdi): Likewise.
14759 (setcc patterns): Likewise. Zero alpha_compare after use.
14760 (sne): Optimize (x != 0) into (0U < x).
14762 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
14764 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
14765 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
14766 (INIT_EXPANDERS): Remove.
14767 * alpha.c: Include ggc.h.
14768 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
14769 (alpha_init_machine_status, alpha_mark_machine_status): New.
14770 (override_options): Install them.
14771 (struct machine_function): Moved to alpha.h.
14772 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
14773 (alpha_init_expanders): Remove.
14774 (alpha_return_addr): Adjust to use current_function->machine.
14775 (alpha_ra_ever_killed): Likewise.
14776 (alpha_expand_epilogue): Likewise.
14777 * alpha.md (eh_epilogue): Likewise.
14779 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
14780 Melissa O'Neill <oneill@cs.sfu.ca>
14781 Geoffrey Keating <geoffk@cygnus.com>
14783 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
14784 call-used registers (call-saved registers must still be contiguous
14785 and end with r31, of course).
14787 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
14789 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
14790 (self_promoting_type_p): Delete.
14791 (self_promoting_args_p): Move ...
14792 * c-common.c: ... here.
14793 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
14794 (simple_type_promotes_to): New.
14795 * builtins.c (lang_type_promotes_to): New.
14796 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
14797 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
14798 * c-common.h: ... here.
14799 (self_promoting_args_p, simple_type_promotes_to): Declare.
14800 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
14801 (grokdeclarator): Likewise.
14802 * tree.h (lang_type_promotes_to): Declare.
14804 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
14806 Add some machine-dependent GC roots.
14807 * sparc.c: Include ggc.h.
14808 (sparc_add_gc_roots): New function.
14809 (mark_ultrasparc_pipeline_state): Likewise.
14810 (override_options): Call sparc_add_gc_roots.
14811 * pa.c: Include ggc.h.
14812 (pa_add_gc_roots): New function.
14813 (mark_deferred_plabels): Likewise.
14814 (override_options): Call pa_add_gc_roots.
14815 * mips.c: Include ggc.h.
14816 (mips_add_gc_roots): New function.
14817 (override_options): Use it.
14819 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14821 * cpperror.c (cpp_file_line_for_message): Constify a char*.
14823 * cppexp.c (parse_number, parse_charconst, cpp_lex,
14824 cpp_parse_expr): Add static prototypes.
14825 (parse_charconst): Don't cast away const-ness.
14826 (token): Constify a char*.
14828 * cppfiles.c (file_name_list, include_hash, find_include_file,
14829 finclude, initialize_input_buffer): Constify a char*.
14830 (file_cleanup, find_position): Add static prototypes.
14832 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
14833 collect_expansion): Add static prototypes.
14834 (cpp_install, create_definition, monthnames): Constify a char*.
14836 * cpphash.h (cpp_install): Likewise.
14838 * cppinit.c (known_suffixes, default_include,
14839 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
14840 (base_name, dump_special_to_buffer, initialize_dependency_output):
14841 Add static prototypes.
14843 * cpplib.c (my_strerror): Constify a char*.
14844 (null_underflow, null_cleanup, skip_comment, copy_comment,
14845 copy_rest_of_line, handle_directive, pass_thru_directive,
14846 get_directive_token, read_line_number, cpp_print_file_and_line,
14847 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
14848 v_cpp_warning_with_line, detect_if_not_defined,
14849 consider_directive_while_skipping): Add static prototypes.
14850 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
14851 cpp_pedwarn_with_file_and_line): Constify a char*.
14853 * cpplib.h (cpp_options, include_hash, progname, definition,
14854 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
14855 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
14856 find_include_file, deps_output, include_hash): Constify a char*.
14858 * cppmain.c (progname): Constify.
14859 (main): Add prototype. Use return, not exit.
14861 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
14862 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
14863 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
14864 check_protection): Add static prototype.
14866 (progname, recognized_macrom, recognized_extern): Constify a char*.
14867 (main): Add prototype.
14869 * gen-protos.c (progname): Constify a char*.
14871 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
14873 * emit-rtl.c (free_emit_status): Take decl as a parameter.
14874 (init_emit_once): Add more GC roots.
14875 * except.c (mark_func_eh_entry): New function.
14876 (mark_eh_node): Mark false_label and rethrow_label.
14877 (init_eh): Add more GC roots.
14878 * function.c (free_after_compilation): Take decl as a paramter.
14879 Call free_stmt_status.
14880 (mark_function_state): Don't assume x_parm_reg_stack_loc is
14882 * function.h (free_after_compilation): Change prototype.
14883 (free_varasm_status): Likewise.
14884 (free_emit_status): Likewise.
14885 (free_stmt_status): New function.
14886 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
14887 Remove, replacing with ...
14888 (ggc_status): New structure.
14889 (ggc_chain): New variable.
14890 (init_gcc): Define.
14891 (ggc_push_context): New function.
14892 (ggc_pop_context): Likewise.
14893 (ggc_alloc_rtx): Adjust for use of ggc_chain.
14894 (ggc_alloc_rtvec): Likewise.
14895 (ggc_alloc_tree): Likewise.
14896 (ggc_alloc_string): Likewise.
14897 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
14898 (ggc_mark_tree): Give language-dependent code a chance to mark
14900 (ggc_mark_tree_varray): Handle empty arrays.
14901 (ggc_collect): Adjust for use of ggc_chain. Clear
14902 bytes_alloced_since_last_gc.
14903 * ggc.h (ggc_pop_context): New function.
14904 (ggc_push_context): Likewise.
14905 * print-tree.c (print_node): Don't print obstacks when GC'ing.
14906 * stmt.c (free_stmt_status): New function.
14907 (init_stmt_for_function): Clear last_expr_value.
14908 * toplev.c (rest_of_compilation): Always call free_after_compilation.
14909 Conditionalize call to ggc_collect.
14910 (main): Call init_ggc.
14911 * tree.c (push_obstacks): Do the push, even when GC'ing.
14912 (push_obstacks_nochange): Likewise.
14913 (pop_obstacks): Liekwise.
14914 * varasm.c (free_varasm_status): Take decl as a parameter.
14916 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
14918 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
14919 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
14920 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
14921 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
14923 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
14925 * pa/x-pa-mpeix: New file for the MPE port.
14927 * pa/quadlib.asm: New file for long double support.
14929 * configure.in: Add hppa1.0-*-mpeix for MPE port.
14930 * configure: Rebuilt.
14932 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
14934 * final.c (shorten_branches): Fix last change.
14936 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
14938 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
14940 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
14942 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
14945 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14947 * c-aux-info.c (concat): Don't define.
14949 * cccp.c (my_strerror): Likewise. All callers changed to use
14951 (do_include): Call xstrdup, not xmalloc/strcpy.
14952 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
14953 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
14955 * collect2.c (my_strsignal): Likewise. All callers changed to use
14957 (locatelib): Call xstrdup, not xmalloc/strcpy.
14959 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
14961 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
14963 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
14965 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
14967 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
14969 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
14971 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
14973 (find_all_handler_type_matches): Likewise. Don't check return
14975 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
14976 xmalloc, not malloc.
14977 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
14979 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
14980 (init_spec): Call xcalloc, not xmalloc/bzero.
14981 (set_spec): Call xstrdup, not save_string.
14982 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
14983 (find_a_file): Call xstrdup, not xmalloc/strcpy.
14984 (process_command): Call xstrdup, not save_string.
14985 (main): Call xcalloc, not xmalloc/bzero.
14987 * gcov.c (xmalloc): Don't define.
14988 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
14989 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
14990 (output_data): Call xcalloc, not xmalloc/bzero.
14992 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
14994 * mips-tdump.c (xmalloc): Don't define.
14995 (print_symbol): Call xmalloc, not malloc.
14996 (read_tfile): Call xcalloc, not calloc.
14998 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
14999 Don't define. All callers of xfree/my_strsignal changed to use
15000 free/strsignal instead.
15001 (allocate_cluster): Call xcalloc, not calloc.
15003 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
15004 Fix memory leak, free allocated memory.
15006 * prefix.c (translate_name): Call xstrdup, not save_string.
15007 (update_path): Likewise.
15009 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
15011 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
15012 Don't define. Callers of xfree/savestring2 changed to use
15013 free/concat instead.
15015 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
15016 (init_elim_table): Likewise.
15018 * resource.c (init_resource_info): Likewise.
15020 * stupid.c (stupid_life_analysis): Likewise.
15022 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
15023 (open_dump_file): Call concat, not xmalloc/strcpy/...
15024 (clean_dump_file): Likewise.
15025 (compile_file): Call xstrdup, not xmalloc/strcpy.
15027 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
15029 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
15030 * v850.c (v850_va_arg): New.
15032 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15034 * haifa-sched.c: Tidy comments.
15036 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15038 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
15039 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
15040 $(out_object_file)): Depend on ggc.h.
15041 * c-common.c: Include "ggc.h".
15042 (combine_strings): If doing GC, use ggc_alloc_string.
15043 * c-decl.c: Include "ggc.h".
15044 (ggc_p): Define with value 0.
15045 (mark_binding_level): New function.
15046 (init_decl_processing): Add GC roots.
15047 (mark_c_function_context): New function.
15048 (lang_mark_false_label_stack): New function.
15049 (lang_mark_tree): New function.
15050 (lang_cleanup_tree): New function.
15051 * c-lang.c: Include "ggc.h".
15052 (lang_init): Call c_parse_init.
15053 * c-lex.c: Include "ggc.h".
15054 (check_linenum): If doing GC, don't copy filenames to permanent
15056 * c-parse.in: Include "ggc.h".
15057 (c_parse_init): New function.
15058 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
15059 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
15061 * except.c (mark_eh_state): Mark more state.
15062 * function.c (mark_function_state): Likewise.
15063 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
15064 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
15065 * toplev.c (mark_file_stack): New function.
15066 (compile_file): If doing GC, use ggc_alloc_string on input filename.
15067 (main): Add root for input_file_stack.
15069 * i386.c: Include "ggc.h".
15070 (ix86_mark_machine_status): New function.
15071 (override_options): Set mark_machine_status.
15073 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15075 * tree.c (copy_node): Copy node contents also if doing GC.
15077 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15079 * collect2.c (scan_libraries): Fix double-thinko :-).
15081 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
15083 * collect2.c (scan_libraries): Fix thinko.
15085 * cse.c (delete_trivially_dead_insns): Do not skip the last
15086 insn if it is a real insn.
15088 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
15090 * Makefile.in (ggc-simple.o): Depend on hash.h.
15091 * ggc.h (ggc_add_tree_hash_table_root): Declare.
15092 (ggc_mark_tree_varray): Likewise.
15093 (ggc_mark_tree_hash_table): Likewise.
15094 * ggc-simple.c: Include hash.h.
15095 (ggc_mark_tree_hash_table_ptr): New function.
15096 (ggc_mark_tree_hash_table_entry): Likewise.
15097 (ggc_mark_tree_hash_table): Likewise.
15098 (ggc_add_tree_hash_table_root): Likewise.
15099 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
15100 rtx, when defining fields.
15102 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15104 * profile.c (output_func_start_profiler): Remove apparently
15105 nonsensical call to start_sequence.
15107 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
15109 * clipper/clipper.c (clipper_va_start): Fix typos.
15111 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
15112 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
15113 (spur_va_arg): New stub.
15115 * configure.in: Comment out pyramid.
15117 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
15119 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
15120 don't conflict with the bits that win32, cygwin, and dgux
15123 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
15124 Bernd Schmidt <bernds@cygnus.co.uk>
15126 * integrate.c (function_cannot_inline_p): Do not inline
15127 functions with forced labels.
15129 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
15130 Bernd Schmidt <bernds@cygnus.co.uk>
15131 Mark Mitchell <mark@codesourcery.com>
15133 * Makefile.in (ggc-simple.o): Depend on varray.h.
15134 (rtl.o): Depend on ggc.h.
15135 (genattrtab.o): Depend on ggc.h.
15136 (print-tree.o): Likewise.
15137 (fold-const.o): Likewise.
15138 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
15139 (make_insn_raw): Don't cache insns when GC'ing.
15140 (emit_insn_before): Likewise.
15141 (emit_insn_after): Likewise.
15142 (emit_insn): Likewise.
15143 (start_sequence): Use xmalloc to allocate the sequence_stack.
15144 (end_sequence): Add free to free it.
15145 (gen_sequence): Don't cache insns when GC'ing.
15146 (clear_emit_caches): Don't use sequence_element_free_list.
15147 (init_emit): Use xcalloc, not xmalloc+bzero.
15148 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
15149 * function.c (pop_function_context_from): Use free to free the
15150 fixup_var_refs_queue.
15151 (put_reg_into_stack): Allocate it with xmalloc.
15152 * genattrtab.c: Include ggc.h.
15153 (operate_exp): Don't use obstack_free when GC'ing.
15154 (simplify_cond): Likewise.
15155 (simplify_text_exp): Likewise.
15156 (optimize_attrs): Likewise.
15157 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
15159 (gencode): Generate a #include for ggc.h.
15160 * ggc-callbacks.c (ggc_p): Define it to zero.
15161 * ggc-none.c (ggc_p): Likewise.
15162 * ggc-simple.c: Include varray.h.
15163 (ggc_mark_tree_varray): New function.
15164 (ggc_add_tree_varray_root): Likewise.
15165 (ggc_mark_tree_varray_ptr): Likewise.
15166 * ggc.h (ggc_p): Declare.
15167 (varray_head_tag): Likewise.
15168 (ggc_add_tree_varray_root): Declare.
15169 * print-tree.c (print_node): Don't check for TREE_PERMANENT
15170 inconsistencies when GC'ing.
15171 * rtl.c: Include ggc.h.
15172 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
15173 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
15174 (rtx_free): Don't call obstack_free when GC'ing.
15175 * toplev.c (rest_of_compilation): Call ggc_collect after every
15177 * tree.c (push_obstacks): Do nothing, if GC'ing.
15178 (pop_obstacks_nochange): Likewise.
15179 (pop_obstacks): Likewise.
15180 (make_node): Use ggc_alloc_tree when GC'ing.
15181 (copy_node): Likewise.
15182 (get_identifier): Use ggc_alloc_string when GC'ing.
15183 (build_string): Likewise.
15184 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
15185 (tree_cons): Likewise.
15186 (build1): Likewise.
15187 (type_hash_canon): Don't call obstack_free when GC'ing.
15189 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
15191 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
15192 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
15194 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
15195 Bernd Schmidt <bernds@cygnus.co.uk>
15196 Mark Mitchell <mark@codesourcery.com>
15198 * Makefile.in (stor-layout.o): Depend on ggc.h.
15199 (expr.o): Depend on ggc.h.
15200 (profile.o): Depend on ggc.h.
15201 (stor-layout.o): Depend on ggc.h.
15202 * emit-rtl.c (init_emit_once): Add gc roots.
15203 * expr.c: Include ggc.h.
15204 (emit_block_move): Add gc roots.
15205 (clear_storage): Likewise.
15206 * expr.h (init_stor_layout_once): New function.
15207 * profile.c: Include ggc.h.
15208 (init_arc_profiler): profiler_label is a root.
15209 * scan.c (make_sstring_space): Trust xrealloc to function
15210 correctly with first parameter NULL.
15211 * stor-layout.c: Include ggc.h.
15212 (set_sizetype): Add gc root.
15213 (init_stor_layout_once): New function.
15214 * toplev.c (compile_file): Call it.
15216 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
15217 Bernd Schmidt <bernds@cygnus.co.uk>
15218 Mark Mitchell <mark@codesourcery.com>
15220 * Makefile.in (tree.o): Depend on ggc.h.
15221 (varasm.o): Likewise.
15222 (function.o): Likewise.
15223 (stmt.o): Likewise.
15224 (except.o): Likewise.
15225 (optabs.o): Likewise.
15226 (emit-rtl.o): Likewise.
15227 * emit-rtl.c: Include ggc.h.
15228 (sequence_element_free_list): Remove, and all references.
15229 (mark_sequence): New functions.
15230 (mark_emit_state): New function.
15231 * except.c: Include ggc.h.
15232 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
15233 (mark_tree_label_node): New functions.
15234 (mark_eh_state): New function.
15235 * function.c: Include ggc.h.
15236 (mark_temp_slot, mark_function_chain): New functions.
15237 (mark_function_state): New function.
15238 (init_function_once): New function.
15239 * function.h (init_function_once): New function.
15240 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
15241 * ggc.h (label_node): Declare.
15242 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
15243 (lang_mark_false_label_stack): New function.
15244 (mark_temp_slot): Remove declaration.
15245 (mark_function_chain): Likewise.
15246 (mark_eh_state): Adjust prototype.
15247 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
15249 * optabs.c: Include ggc.h.
15250 (mark_optab): New function.
15251 (init_optabs): Add gc roots.
15252 * stmt.c: Include ggc.h.
15253 (mark_cond_nesting, mark_loop_nesting): New functions.
15254 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
15255 (mark_stmt_state): New function.
15256 * toplev.c (compile_file): Call init_function_once.
15257 * tree.c: Include ggc.h.
15258 (type_hash): Move declaration earlier in file.
15259 (TYPE_HASH_SIZE, type_hash_table): Likewise.
15260 (init_obstacks): Add gc roots.
15261 (mark_type_hash): New function.
15262 * varasm.c: Include ggc.h.
15263 (mark_pool_constant): New function.
15264 (mark_varasm_state): New function.
15266 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15268 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
15270 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15272 * c-decl.c (struct language_function): Renamed from struct c_function.
15274 (c_function_chain): Delete.
15275 (push_c_function_context): New arg F. Don't warn about nested
15276 functions here. Fill LANGUAGE elt of F. Delete code to update
15277 c_function_chain. Don't call push_function_context.
15278 (pop_c_function_context): New arg F. Restore from there instead of
15279 from c_function_chain. Don't call pop_function_context. Clear out
15280 LANGUAGE field of F when done.
15281 * c-lang.c: Include "function.h"
15282 (lang_init): Initialize save_lang_status and restore_lang_status.
15283 * c-parse.in (nested_function, nested_function_notype): Warn about
15284 nested functions. Call push_function_context/pop_function_context
15285 instead of the _c_ variants.
15286 * c-tree.h (push_c_function_context, pop_c_function_context): Update
15288 * Makefile.in (c-lang.o): Update dependencies.
15290 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
15291 regno_pointer_flag, regno_pointer_align.
15292 (gen_reg_rtx): Use xrealloc to enlarge them.
15293 (free_emit_status): New function.
15294 * function.c (mark_machine_status, mark_lang_status): New variables.
15295 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
15296 in some bits from assign_stack_local. All callers changed to use new
15298 (assign_stack_local): Just call assign_stack_local_1.
15299 (free_after_compilation): New function.
15300 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
15301 (trampoline_address): Likewise.
15302 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
15303 (prepare_function_start): Explicitly clear some more variables.
15304 * function.h (struct function): New elt can_garbage_collect.
15305 (mark_machine_status, mark_lang_status): Declare variables.
15306 (free_after_compilation, free_emit_status, free_varasm_status,
15307 init_varasm_status): Declare functions.
15308 * toplev.c (rest_of_compilation): Call free_after_compilation when
15309 done with the current function.
15310 * varasm.c (free_varasm_status): New function.
15312 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
15314 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
15315 (EXPAND_BUILTIN_VA_ARG): Define.
15316 * sparc.c (sparc_va_start): New.
15317 (sparc_va_arg): New.
15319 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15321 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
15323 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15325 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
15327 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
15329 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
15330 (OBJS): Add $(GGC).
15331 (ggc-callbacks.o): New target.
15332 * ggc-callbacks.c: New file.
15334 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15336 * expr.h: Collapse individual optab and libfunc vars to arrays.
15337 (optab_index, libfunc_index): New enumerations.
15338 (optab_table, libfunc_table): New arrays.
15339 Add accessor macros for both.
15341 * optabs.c (optab_table, libfunc_table): New.
15342 Delete declarations for individual optab and libfunc vars.
15344 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
15346 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
15348 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15350 * Makefile.in (GGC, GGC_LIB): New.
15351 (HOST_RTL): Include ggc-none.o.
15352 (ggc-simple.o): New target.
15353 (ggc-none.o): Likewise.
15354 * tree.h (tree_common): Add gc_mark.
15355 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
15356 (struct rtvec_def): Add gc_mark.
15357 * emit-rtl.c (global_rtl): Update static initializers to contain
15358 enough initializers.
15359 * ggc.h, ggc-none.c, ggc-simple.c: New files.
15360 * toplev.c (gc_time): New variable.
15361 (all_time): New variable.
15362 (compile_file): Print gc time.
15363 (print_time): Calculate percentage of the whole.
15365 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15367 Change obstack memory management and varasm constant pool handling so
15368 that nested functions are treated like any other functions.
15369 * function.c (init_machine_status): New variable.
15370 (push_function_context_to): Set contains_functions for the outer
15371 function. Don't call save_varasm_status.
15372 (pop_function_context_from): Don't call restore_varasm_status. Don't
15373 set current_function_contains_functions.
15374 (prepare_function_start): Call init_varasm_status rather than
15375 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
15377 * function.h (struct function) Add field varasm. Delete fields
15378 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
15379 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
15380 (init_machine_status): Declare.
15381 (save_varasm_status, restore_varasm_status): Delete declarations.
15382 (save_tree_status, restore_tree_status): Delete last argument.
15383 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
15384 code. All callers changed.
15385 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
15386 save_constants_in_decl_trees, restore_constants, save_constants,
15387 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
15389 (inlining): New variable.
15390 (reg_map, label_map, insn_map, orig_asm_operands_vector,
15391 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
15393 (save_for_inline_nocopy): Don't save constants.
15394 Don't set inl_emit field in current_function.
15395 (expand_inline_function): Use emit field, not inl_emit, of the inlined
15396 function. Set new variable inlining before
15397 calling copy_rtx_and_substitute.
15398 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
15399 constant pool references if inlining is nonzero.
15400 Delete ADDRESS and (most of the) CONST cases.
15401 (output_inline_function): Save and restore current_function/
15402 current_function_decl. Delete restore_constants code. Don't call
15403 init_const_rtx_hash_table.
15404 * output.h (init_const_rtx_hash_table): Don't declare.
15405 * rtl.h (struct function): Declare.
15406 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
15407 * toplev.c (rest_of_compilation): Don't treat nested functions or
15408 functions containing them specially. Delete all code to deal with
15409 save_for_inline_copying.
15410 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
15411 inline_obstacks): Delete variables.
15412 (save_tree_status): Lose arg CONTEXT. All callers changed.
15413 Simply allocate a new function_maybepermanent_obstack for the new
15414 function, delete all the special cases.
15415 Don't save inline_obstacks.
15416 (restore_tree_status): Lose arg CONTEXT. All callers changed.
15417 Delete special handling for function_maybepermanent_obstack; simply
15419 Don't restore inline_obstacks.
15420 (permanent_allocation): Delete code that frees inline_obstacks.
15421 (print_inline_obstack_statistics): Delete function.
15422 (dump_tree_statistics): Don't call it.
15423 * varasm.c (struct varasm_status): New.
15424 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
15425 last_pool, pool_offset, const_double_chain): Delete global
15426 variables, replace with accessor macros.
15427 (immed_double_const): Don't walk const_double_chain outside a
15428 function, but don't treat nested functions specially anymore.
15429 (immed_real_const_1): Likewise.
15430 (clear_const_double_mem): Don't treat nested functions specially.
15431 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
15432 (save_varasm_status, restore_varasm_status): Delete functions.
15433 (init_varasm_status): New function.
15434 (force_const_mem): Don't treat nested functions specially.
15435 (find_pool_constant): Accept new arg F, search for constants in
15436 that function's pool rather than the current one. All callers
15438 (get_pool_constant_for_function, get_pool_mode_for_function): New
15441 * i386.c (init_386_machine_status): New function, mostly from
15442 clear_386_stack_locals.
15443 (struct machine_functions): Rename element names to avoid name
15445 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
15446 macros, replacing global variables.
15447 (clear_386_stack_locals, save_386_machine_status,
15448 restore_386_machine_status): Delete functions.
15449 (override_options): Initialize init_machine_status.
15450 * i386.h (INIT_EXPANDERS): Delete macro.
15451 (save_386_machine_status, restore_386_machine_status,
15452 clear_386_stack_locals): Delete declarations.
15454 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15456 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
15457 (doloop_begin): Simplify pattern and use emit_jump_insn.
15458 (doloop_end): Simplify pattern, switch operand order,
15459 and use emit_jump_insn.
15461 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15463 * function.h (struct function): Add new element LANGUAGE.
15464 (save_lang_status): Declare new variable.
15465 (restore_lang_status): Likewise.
15466 * function.c (save_lang_status): Define.
15467 (restore_lang_status): Likewise.
15468 (push_function_context_to): Call language-specific save function.
15469 (pop_function_context_from): Call language-specific restore function.
15471 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15473 * i386.md (movsf_1): Check REG_P before use of REGNO.
15474 (movdf_1): Likewise.
15475 (movxf_1): Likewise.
15476 (extendsfdf2): Likewise.
15477 (extendsfxf2): Likewise.
15478 (extenddfxf2): Likewise.
15480 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15482 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
15483 constants into memory.
15484 (c4x_shiftable_constant): New function.
15485 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
15486 (c4x_shiftable_constant): Declare.
15487 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
15488 ashlqi3_noclobber): Add new patterns and associated splitters.
15490 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
15492 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
15493 * dwarf2out.c (dwarf2out_frame_init): Likewise.
15494 * final.c (shorten_branches): Likewise.
15495 * global.c (global_alloc): Likewise.
15496 * haifa-sched.c (build_control_flow): Likewise.
15497 * stmt.c (check_for_full_enumeration_handling): Likewise.
15498 (estimate_case_costs): Likewise.
15500 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
15502 * rtl.h (RTL_CHECKC2): Fix typo in last change.
15504 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
15506 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
15507 (recompute_reg_usage): Likewise.
15508 * rtlanal.c (find_regno_fusage): Likewise.
15510 * rtl.c (rtl_check_failed_code1): New function.
15511 (rtl_check_failed_code2): New.
15512 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
15513 (RTL_CHECKC1, RTL_CHECKC2): New.
15514 (XC*): New accessor macros.
15515 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
15516 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
15517 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
15518 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
15519 (TRAP_*, RANGE_INFO_*): Likewise.
15521 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15523 * Makefile.in (tlink.o): Don't depend on toplev.h.
15525 * collect2.c (c_file, o_file, export_file, import_file, ldout,
15526 output_file, nm_file_name, ldd_file_name, strip_file_name,
15527 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
15528 add_prefix, prefix_from_env, prefix_from_string, do_wait,
15529 fork_execute, maybe_unlink, add_to_list,
15530 extract_init_priority, write_list, dump_list,
15531 dump_prefix_list, write_list_with_asm, write_c_file,
15532 write_c_file_stat, write_c_file_glob, scan_prog_file,
15533 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
15534 ignore_library, extract_string, notice, dump_file, target_machine,
15535 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
15536 read_file, print_load_command): Constify a char*.
15537 (fdopen, error, fatal, fatal_perror): Don't prototype.
15538 (my_strerror): Remove. All callers use xstrerror instead.
15539 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
15540 (main): Add prototype. Constify lots of char* ptrs. Change calls
15541 to xcalloc/strcpy/strcat/... to one call to concat.
15542 (main, scan_prog_file, scan_libraries): Use an intermediate
15543 `const char **' to build an argv array.
15544 (mapfile, libselect, libcompare, locatelib): Add prototypes.
15546 * collect2.h (collect_execute, collect_wait, dump_file,
15547 file_exists): Constify a char*.
15548 (ldout, c_file_name, temporary_obstack, permanent_obstack,
15549 temporary_firstobj, vflag, debug): Add extern declarations.
15550 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
15552 * tlink.c: Don't include toplev.h.
15553 (vflag, debug, ldout, c_file_name, temporary_obstack,
15554 permanent_obstack, temporary_firstobj): Don't declare.
15555 (tlink_execute, frob_extension, symbol_hash_lookup,
15556 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
15557 recompile_files, read_repo_files, demangle_new_symbols,
15558 scan_linker_output): Constify a char*.
15559 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
15560 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
15562 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
15564 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
15565 (relative) rather than jsr (absolute) subroutine call insns.
15566 * config/m68k/m68k-coff.h: Ditto.
15568 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
15570 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
15571 now rework these too.
15572 (arm_reorg): If an insn can't reach the end of the current pool,
15573 ensure that we emit that pool before the insn.
15575 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
15577 * tlink.c (scan_linker_output): Skip the initial underscore in
15578 a mangled name if appropriate.
15580 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15582 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
15583 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
15584 error_with_ivar, gen_declarator, create_builtin_decl,
15585 my_build_string, generate_descriptor_table, generate_ivars_list,
15586 generate_dispatch_table, check_protocols, TAG_GETCLASS,
15587 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
15588 dump_base_name, lang_decode_option, build_encode_expr,
15589 start_class, finish_class, encode_pointer, really_start_method,
15590 gen_declaration, dump_interface, handle_class_ref, handle_impent):
15592 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
15593 Add static prototypes.
15594 (build_objc_string_decl, build_selector_reference_decl,
15595 encode_bitfield, build_class_reference_decl): Remove unused
15596 parameter, all callers changed.
15597 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
15598 (objc_printable_name): Likewise. Change second parameter to type int.
15599 (init_objc): Use memcpy, not bcopy, to avoid casts.
15601 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
15603 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
15604 reg notes on a deleted insn.
15605 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
15607 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
15609 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
15611 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15613 * stmt.c (expand_asm_operands): Fix index into inout_mode when
15616 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
15618 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
15619 * tm.texi (MD_ASM_CLOBBERS): Document it.
15621 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
15623 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
15624 * except.c (expand_rethrow): Remove unused variable.
15625 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
15626 * flow.c (replace_insns): Likewise.
15627 (create_edge_list, verify_edge_list): Likewise.
15628 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
15630 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
15631 is special code to run.
15632 (main): Don't define operands to emit_operand.
15633 * genrecog.c (main): Don't emit an empty peephole2_insn function.
15635 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
15637 * alpha/alpha.h (normal_memory_operand): Declare.
15638 (reg_no_subreg_operand): Declare.
15639 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
15641 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
15643 * c-parse.in (compstmt_primary_start): New, broken out of first
15644 part of compstmt handling in primary.
15645 (primary): Use it. Add an error clause.
15646 (compstmt_nostart): Renamed from compstmt; remove all
15647 initial invocations of compstmt_start.
15650 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
15652 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
15655 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
15657 * combine.c (simplify_shift_const): Remove extra semicolon.
15658 * dwarf2out.c (remove_AT): Likewise.
15659 * expmed.c (expand_mult): Likewise.
15660 * gcov.c (create_program_flow_graph): Likewise.
15661 * reorg.c (mostly_true_jump): Likewise.
15663 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
15665 * fold-const.c (fold_range_test): Do not try to fold the range
15666 test if the rhs or lhs has side effects.
15668 * combine.c (simplify_rtx): Recognize another case of a synthesized
15671 * varasm.c (mark_constant_pool): When marking indirect references,
15672 only look at SYMBOL_REFs.
15674 * except.c (expand_fixup_region_end): Do not peek at
15675 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
15677 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
15679 * flags.h: New variables align_loops, align_loops_log,
15680 align_jumps, align_jumps_log, align_labels, align_labels_log,
15681 align_functions, align_functions_log.
15682 * toplev.c: Define them.
15683 (f_options): Handle -falign-* when they have no argument.
15684 (main): Add logic to set variables for -falign-functions,
15685 -falign-jumps, -falign-labels, -falign-loops.
15686 Make it -fsched-verbose=<n> and -finline-limit=<n>.
15687 (display_help): Change help to match options.
15688 * final.c (LABEL_ALIGN): Default to align_labels_log.
15689 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
15690 (LOOP_ALIGN): Default to align_loops_log.
15691 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
15692 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
15693 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
15694 * varasm.c (assemble_start_function): Handle align_functions.
15696 * config/sparc/sparc.h: Don't declare sparc_align_*.
15697 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
15698 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
15700 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
15702 * config/sparc/sparc.c: Delete sparc_align_loops,
15703 sparc_align_jumps, sparc_align_funcs and the corresponding string
15705 (sparc_override_options): Default align_functions on ultrasparc.
15706 Delete -malign-* handling.
15708 * config/mips/mips.c (override_options): On 64-bit targets,
15709 try to align code to 64-bit boundaries.
15710 (print_operand): New substitution, %~,
15711 which aligns labels to align_labels_log.
15712 * config/mips/mips.md (div_trap_normal): Use %~.
15713 (div_trap_mips16): Likewise.
15715 (absdi2): Likewise.
15716 (ffssi2): Likewise.
15717 (ffsdi2): Likewise.
15718 (ashldi3_internal): Likewise.
15719 (ashrdi3_internal): Likewise.
15720 (lshrdi3_internal): Likewise.
15721 (casesi_internal): Likewise.
15723 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
15725 Merge new ia32 backend from the branch!
15727 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
15728 See ChangeLog.P2 on new_ia32_branch for details.
15730 * rtl.h (stack_regs_mentioned_p): Delete prototype.
15731 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
15732 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
15733 * i386/gas.h (ASM_FILE_START): Define.
15734 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
15735 for name change of ix86_valid_decl_attribute_p.
15736 (i386_pe_valid_type_attribute_p): Similarly.
15738 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
15740 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
15741 to step through CC modes.
15743 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15745 * regmove.c (fixup_match_1): Don't move INSN in front of P if
15746 it would end up in the shadow of a live flags regsiter.
15748 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15750 * reload1.c: Fix many indentation problems.
15751 * reload.c: Likewise.
15753 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
15755 * alias.c (non_local_reference_p): Constify fmt.
15757 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
15759 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
15761 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
15763 * cse.c (delete_trivially_dead_insns): Do not delete stores to
15764 the internal_arg_pointer.
15766 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
15768 Merge peephole2 from new_ia32_branch:
15769 * Makefile.in (STAGESTUFF): Add *.peephole2.
15770 (mostlyclean): Likewise.
15771 (recog.o): Depend on resource.h.
15773 * final.c (peephole): Conditionalize decl on HAVE_peephole.
15774 (final_scan_insn): Likewise for the invocation of peephole.
15775 * genconfig.c (main): Look for peephole and peephole2 patterns.
15776 Emit HAVE_peephole* accordingly.
15777 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
15778 * flags.h (flag_peephole2): Declare.
15779 * toplev.c: New pass peephole2. New flag -fpeephole2.
15781 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
15782 * gencodes.c (main): Likewise.
15783 * genextract.c (main): Likewise.
15784 * genoutput.c (main): Likewise.
15785 * genemit.c (max_operand_1): Look for the max scratch operand.
15786 (gen_rtx_scratch): New.
15787 (gen_exp): Use it, and pass on new arg subroutine_type.
15788 (gen_expand): Take max scratch into account.
15789 (gen_split): Emit peephole2 functions.
15790 (output_peephole2_scratch): New.
15791 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
15792 * genrecog.c (routine_type): Add PEEPHOLE2.
15794 (make_insn_sequence): Match outer parallel for peep2. Discard
15795 top level scratches and dups.
15796 (add_to_sequence): New args insn_type and top. Update all callers.
15797 Handle toplevel peep2 matching insns.
15798 (write_subroutine): Handle peep2.
15799 (write_tree_1): Likewise.
15800 (write_tree): Likewise.
15802 (change_state): New arg afterward. Update all callers.
15803 Handle matching separate insns.
15804 * recog.c (recog_next_insn): New.
15805 (peephole2_optimize): New.
15806 * rtl.def (DEFINE_PEEPHOLE2): New.
15807 * resource.c (find_free_register): New argument last_insn. Use it
15808 to find a register available through the entire span.
15809 * resource.h (find_free_register): Update prototype.
15811 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
15813 * i386.c (output_strlen_unroll): Don't write xops[7]
15814 label if it wasn't set.
15816 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
15818 * cpplib.c (struct directive): Const-ify name pointer and
15819 function pointer prototype.
15820 (validate_else, do_define, do_line, do_include, do_undef,
15821 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
15822 do_elif, do_endif, do_sccs, do_assert, do_unassert,
15823 do_warning): Const-ify second arg.
15824 (directive_table): Mark const. Reorder entries by frequency
15825 of usage, record statistics.
15827 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
15829 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
15830 bounds- check RTL accesses if --enable-checking.
15831 (RTVEC_ELT): Bounds check if --enable-checking.
15832 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
15833 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
15834 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
15836 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
15837 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
15839 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
15840 (NOTE_SOURCE_FILE): Use X0STR.
15841 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
15842 MEM_ALIAS_SET): Use X0INT.
15843 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
15844 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
15846 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
15847 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
15848 (rtl_check_failed_bounds, rtl_check_failed_type1,
15849 rtl_check_failed_type2, rtvec_check_failed_bounds): New
15851 (fancy_abort): Fix comment.
15853 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
15854 (cse_insn): Decrement LABEL_NUSES for jump target before
15855 deleting jump insn.
15856 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
15857 * final.c (alter_subreg): Compute regno before changing x to
15858 REG; set REGNO(x) after changing it.
15859 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
15860 notes containing CONST_INTs.
15861 (delete_eh_regions): Use NOTE_EH_HANDLER.
15862 * function.c (put_reg_into_stack): Make reg a MEM before
15864 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
15866 (gen_mem_addressof): Make reg a MEM before initializing it.
15867 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
15869 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
15870 deleting an insn, not after.
15871 (block_alloc): Only look at PATTERN(insn) if we have to, and
15872 only if it's format class 'i'.
15873 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
15874 CONST_INT before using its INTVAL.
15875 * print-rtl.c (print_rtx): Use X0STR.
15876 * regmove.c (fixup_match_1): Don't look at PATTERN of
15877 non-class-'i' insn chain elements.
15878 * reload.c (loc_mentioned_in_p): Take address of
15879 in->fld[1].rtx directly.
15880 * reload1.c (reload): Change reg to a MEM before initializing
15882 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
15884 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
15886 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
15888 * config/mips/mips.c (machine_dependent_reorg): Force a
15889 barrier to output the local constant pool if a barrier hasn't
15890 been found at a natural point in the instruction stream.
15892 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15894 * c-parse.in (language_string): Constify.
15896 * dwarf2out.c (language_string): Remove declaration.
15898 * dwarfout.c (language_string): Likewise.
15900 * toplev.c (language_string, init_parse, finish_parse): Likewise.
15902 * tree.h (language_string, init_parse, finish_parse): Declare.
15904 * i386/sun386.h (language_string): Remove declaration.
15906 * mips.h (language_string): Likewise.
15908 * nextstep.h (language_string): Likewise.
15910 * nextstep21.h (language_string): Likewise.
15912 * rs6000.c (language_string): Likewise.
15914 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15916 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
15917 (getpwd.o): Remove target.
15919 * getpwd.c: Delete file. Its in libiberty now.
15921 * dbxout.c (getpwd): Don't prototype.
15922 * dwarf2out.c (getpwd): Likewise
15923 * dwarfout.c (getpwd): Likewise
15924 * final.c (getpwd): Likewise.
15925 * protoize.c (getpwd): Likewise.
15927 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15929 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
15931 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
15933 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
15934 mark_set_resources.
15936 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
15938 * fixinc/Makefile.in (subdir): New.
15939 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
15942 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
15944 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
15945 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
15948 * invoke.texi: Fix typo.
15950 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
15951 changed. Handle autoincrement addressing modes.
15953 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
15954 just like we would the virtual incoming args register when
15957 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
15959 * rs6000.h (ASM_FILE_START): Specify complete filename, including
15960 path, in .file directive.
15962 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
15964 * gcc.texi (External Bugs): Remove obsolete note about Perl on
15967 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
15969 * stdbool.h: Make the typedef name _Bool, with bool a #defined
15972 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15974 * tree.c (tree_code_name): Constify a char*.
15976 * tree.h (tree_code_name, decl_printable_name): Likewise.
15978 * function.h (struct function): Likewise.
15980 * toplev.c (decl_name, decl_printable_name): Likewise.
15982 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
15984 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
15985 (init_objc): Remove function pointer cast.
15987 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
15989 * pa.md (interspace_jump): New pattern.
15990 (builtin_longjmp): New expander.
15992 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
15994 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
15995 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
15996 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
15998 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
16000 * jump.c (delete_prior_computation): Also check calls
16001 to constant functions. Don't bother checking for a
16002 REG_UNUSED note before adding it.
16003 (delete_computation): Handle multi-word hard registers
16004 when synthesizing missing REG_DEAD notes for a register
16005 which is both set and used by an insn.
16007 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16009 * loop.c (this_loop_info): New variable.
16010 (loop_has_call, loop_has_volatile, loop_has_tablejump,
16011 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
16013 (prescan_loop, strength_reduce): New argument loop_info. All callers
16015 (scan_loop): New variable loop_info, initialise to address of
16017 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
16018 Delete variable loop_has_multiple_exit targets and replace with
16019 field in this_loop_info.
16020 (find_and_verify_loops): Rename this_loop to this_loop_num.
16021 (strength_reduce): Delete loop_iteration_info. Replace variable
16022 loop_info with function argument of same name.
16023 (insert_bct): Rework test for loop being completely unrolled.
16025 * loop.h (struct loop_info): New fields num, loops_enclosed,
16026 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
16027 has_indirect_jump, and cont. Redefine use of unroll_number.
16028 (loop_unroll_number): Delete.
16030 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
16031 field of loop_info.
16032 (loop_iterations): Delete variable vtop and instead use
16033 loop_info->vtop computed in prescan_loop.
16035 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
16037 * fix-header.c (main): Do not pass a null pointer to strcmp.
16039 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
16041 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
16043 * configure: Rebuilt.
16045 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
16047 * jump.c (jump_optimize_1): Do not delete assignments to
16048 internal_arg_pointer.
16049 * cse.c (delete_trivially_dead_insns): Always consider a set of
16050 the internal_arg_pointer live.
16052 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
16054 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
16055 (update_life_info) [REG_WAS_0]: Search the original insns rather
16056 than the new insns for the note. Fix typos finding note_dest.
16057 If no dest found, discard the note rather than abort.
16058 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
16059 (replace_insns): Remove the old insn list after update_life_info
16062 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
16064 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
16065 sched_analyze_insn.
16066 (sched_analyze_1): Let add_dependence care for not adding dups.
16067 (sched_analyze_2): Likewise.
16068 (add_branch_dependences): Likewise.
16070 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
16072 * i386/winnt.c (export_list): New type.
16073 (exports_head): Rename to
16074 (export_head): this.
16075 (i386_pe_record_exported_symbol): Add is_data flag.
16076 (i386_pe_asm_file_end): Emit directive for exported variables.
16077 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
16079 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
16080 (ASM_DECLARE_OBJECT_NAME): Likewise.
16081 (ASM_DECLARE_FUNCTION_NAME): Likewise.
16082 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
16084 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
16086 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
16088 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
16091 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
16093 * config/openbsd.h: Define SET_ASM_OP.
16094 * tm.texi: cross-reference SET_ASM_OP in the index.
16096 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
16098 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
16099 for a CONST_DOUBLE, at compile time. Initialize rtx_length
16100 and class_narrowest_mode at compile time. Kill init_rtl.
16101 Mark rtx_length, mode_class, mode_size, mode_unit_size,
16102 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
16103 rtx_format as const. Kill all references to EXTRA_CC_MODES or
16105 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
16107 * rtl.h: Declare rtx_length and rtx_format as const.
16108 * machmode.def: Define CC(). Use CC() to define CCmode. If
16109 EXTRA_CC_MODES is defined, expand it here.
16110 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
16111 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
16112 const. Kill all references to EXTRA_CC_MODES.
16114 * toplev.c: Don't prototype or call init_rtl.
16115 * optabs.c: Don't call init_mov_optab.
16116 * genemit.c: Don't generate init_mov_optab. Don't call
16118 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
16120 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
16121 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
16122 genrecog.c: Don't call init_rtl.
16124 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
16125 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
16126 definition of EXTRA_CC_MODES.
16128 * md.texi: Kill ref to EXTRA_CC_NAMES.
16129 * tm.texi: Document new way to define EXTRA_CC_MODES.
16131 * genrecog.c: Do not look up the name of a define_split.
16132 (Unrelated bugfix.)
16134 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
16136 * config/v850/v850.md: Fix typo introduced by previous delta.
16138 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16140 * gcc.c (fatal): Make definition static to match prototype.
16142 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16144 * combine.c (get_last_value): Don't look for earlier sets if the last
16145 known set is somewhere in between the insns being combined.
16147 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
16149 * configure.in: Don't use shell ! to negate exit codes
16150 * configure: Regenerate
16152 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
16154 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
16155 the fact that ALIGN is measured in bits, not bytes.
16157 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
16159 * errors.c: New file; defines functions error, warning, and
16160 fatal, variables have_error and progname.
16161 * errors.h: New file; prototypes and decls for stuff in errors.c.
16163 * Makefile: Add rules to build errors.o and
16164 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
16165 genopinit, genrecog, genextract, genpeep, genattr, and
16166 genoutput with errors.o. Add errors.h to deps of genconfig.o,
16167 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
16168 genpeep.o, genattr.o, and genoutput.o.
16170 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
16171 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
16172 define or prototype fatal. Set progname at beginning of main.
16173 * genoutput.c: Likewise, and don't define or prototype error
16176 * c-typeck.c (c_expand_start_case): Return immediately if exp
16178 * fold-const.c (operand_equal_p): Return immediately if arg1
16179 or arg0 are ERROR_MARKs.
16180 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
16181 fields of type ERROR_MARK when calculating if the record can
16184 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
16185 with much help from Jeffrey A Law and Richard Henderson
16187 * i386.md: In the 6 insns which call output_fix_trunc,
16188 earlyclobber operands[0].
16190 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
16192 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
16193 creating new registers.
16195 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
16197 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
16198 i386_reg_alloc_order, i386_regparm_string,
16199 i386_align_loops_string, i386_align_jumps_string,
16200 i386_align_funcs_string, i386_preferred_stack_boundary_string,
16201 and i386_branch_cost_string as type "const char *".
16202 * i386.c: Define all above strings as type "const char *".
16204 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
16206 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
16207 when emitting alignment padding. Emit padding byte of 0 instead of 4.
16209 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
16211 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
16212 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
16214 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
16216 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
16217 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
16218 (dwarf2out_line, dwarf2out_finish): Likewise.
16219 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
16221 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16223 * tree.c (lang_unsave_expr_now) : Correct return type.
16224 * tree.h (lang_unsave_expr_now) : Same.
16226 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
16228 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
16229 instead of duplicating code.
16231 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16233 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
16235 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
16237 * tree.h: fancy_abort always takes three args.
16238 * resource.c: Move include of system.h before toplev.h.
16240 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
16242 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
16245 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
16247 * system.h: Don't redefine abort or trim_filename.
16248 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
16249 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
16250 whether or not __FUNCTION__ is available.
16251 * tree.h: Duplicate rtl.h's definition of abort, for files
16252 that don't include rtl.h. Delete all code to perform type
16253 checking with a compiler other than GCC.
16254 * varray.h: Delete all code to perform type checking with a
16255 compiler other than GCC. Make VARRAY_CHECK() always evaluate
16256 its arguments exactly once, using a statement expression.
16257 Adjust the VARRAY_<type> accessor macros to match.
16258 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
16259 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
16260 caller's location. Define fatal_insn and fatal_insn_not_found
16261 as macros that use _fatal_insn and _fatal_insn_not_found.
16262 (fancy_abort, trim_filename): Kill prototypes.
16264 * rtl.c (trim_filename): Move here from toplev.c.
16265 (fancy_abort): New function.
16266 (DIR_SEPARATOR): Provide default definition.
16267 * tree.c (tree_check_failed, tree_class_check_failed): Go
16268 through fancy_abort.
16269 (tree_check, tree_class_check, cst_or_constructor_check,
16270 expr_check): Delete.
16271 * varray.c (varray_check_failed): New function.
16272 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
16273 _fatal_insn and _fatal_insn_not_found. Go through
16275 (trim_filename, fancy_abort): Delete.
16277 * builtins.c (expand_builtin_args_info): Report ICE with abort.
16278 * except.c (start_catch_handler): Report ICE with error/abort
16280 * final.c (output_operand_lossage): Likewise.
16281 * flow.c (verify_flow_info): Likewise.
16283 * gcc.c: Prototype fatal.
16284 * gengenrtl.c: Undef abort after including rtl.h not system.h.
16285 * genattr.c, genattrtab.c, genemit.c, genextract.c,
16286 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
16287 Don't define fancy_abort.
16289 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
16291 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
16294 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
16296 * m88k.h (VERSION_INFO2): Kill.
16297 (VERSION_STRING): Kill.
16299 (VERSION_INFO1): Tidy.
16300 (TARGET_VERSION): Update.
16301 * m88k/dgux.h (VERSION_INFO2): Kill.
16302 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
16303 * m88k/luna.h (VERSION_INFO1): Tidy.
16304 * m88k/sysv4.h (VERSION_INFO1): Likewise.
16305 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
16306 (output_file_start): Adjust for death of VERSION_STRING.
16308 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
16310 * cpplib.c (detect_if_not_defined): New function.
16311 (do_if): Use it to detect potential once-only headers.
16313 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
16315 * c-common.c (combine_strings): Always set TREE_CONSTANT.
16317 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16319 * combine.c (nonzero_bits) : Allow single-ly set registers to be
16320 anywere in the function only if they are pseudos and set before
16321 being used (not live at the start of the function).
16322 (num_sign_bit_copies) : Same.
16323 (get_last_value_validate) : Same.
16324 (get_last_value) : Same.
16326 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
16328 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
16329 where N and M are constant and N is an integer multiple of M.
16331 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16333 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
16334 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
16335 sbitmap_union_of_preds): Add prototypes.
16336 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
16337 the intersection of successors with the new flow graph structures.
16338 (sbitmap_intersection_of_preds): New function to compute the
16339 intersection of predecessors with the new flow graph structures.
16340 (sbitmap_union_of_succs): New function to compute the union of
16341 successors with the new flow graph structures.
16342 (sbitmap_union_of_preds): New function to compute the union of
16343 predecessors with the new flow graph structures.
16344 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
16345 (expr_reaches_here_p): Use edge and basic_block structures instead
16346 of s_preds and s_succs.
16347 (compute_cprop_avinout): Use new sbitmap routines.
16348 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
16349 of s_preds and s_succs.
16350 * flow.c (compute_flow_dominators): Compute dominators using
16351 edges and basic blocks instead of s_preds and s_succs.
16353 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16355 * lists.c (unused_insn_list, unused_expr_list): New file for
16356 maintaining various types of lists. New statics for maintaining a
16357 cache of available INSN_LIST and EXPR_LIST nodes.
16358 (free_list): Static function for freeing a list of INSN/EXPR nodes.
16359 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
16360 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
16361 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
16362 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
16363 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
16364 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
16365 (free_INSN_LIST_node): Free an individual INSN_LIST node.
16366 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
16367 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
16368 (remove_dependence, free_pending_lists): Use new global routines.
16369 (flush_pending_lists, sched_analyze_insn): Use new global routines.
16370 (sched_analyze, compute_block_backward_dependences): Use new routines.
16371 (sched_analyze_1, sched_analyze_2): Use new routines.
16372 (schedule_insns): Use new global routines.
16373 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
16375 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
16376 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
16378 * toplev.c (rest_of_compilation): Initialize node cache.
16379 * Makefile.in (OBJS): Add lists.o to list of object files.
16380 (lists.o): Add dependancies.
16382 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
16384 * config/v850/v850.md: Fix compile time warning messages.
16385 * config/v850/v850.c: Fix compile time warning messages.
16386 * config/v850/v850.h: Fix compile time warning messages.
16388 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16390 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
16391 Remove unused prototype for `init_lengths'.
16393 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16395 * calls.c (emit_call_1): Mark parameter `stack_size' with
16397 (expand_call): Initialize variable `insn'.
16398 (emit_library_call): Likewise for variable `high_to_save'.
16399 (emit_library_call_value): Likewise.
16400 (store_one_arg): Likewise for variables `lower_bound' and
16403 * combine.c (try_combine): Likewise for variables `i2_code_number'
16404 and `other_code_number'.
16405 (find_split_point): Likewise for variables `pos', `unsignedp' and
16407 (simplify_if_then_else): Likewise for variables `op' and `c1'.
16408 (simplify_and_const_int): Remove unused variable `width'.
16409 (merge_outer_ops): Likewise.
16411 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
16412 HOST_WIDE_INT' when comparing against one.
16413 (simplify_relational_operation): Likewise.
16414 (cse_insn): Initialize variables `src_eqv_volatile',
16415 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
16417 * final.c (init_final): Constify parameter `filename'.
16418 (final_start_function): Mark parameter `optimize' with
16420 (profile_function): Likewise for parameters `first' and `optimize'.
16421 (output_source_line): Likewise for parameter `file'.
16423 * integrate.c (subst_constants): Cast a value to `size_t' when
16424 comparing against one.
16425 (mark_stores): Initialize variable `mode'. Cast a value to
16426 `size_t' when comparing against one.
16428 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
16430 * loop.c (move_movables): Initialize variable `first'.
16431 (strength_reduce): Likewise for variable `increment'.
16432 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
16433 value to `size_t' when comparing against one.
16434 (load_mems): Initialize variable `end_label'.
16436 * output.h (init_final): Constify parameter.
16438 * reload.c (decompose): Initialize variable `base'.
16440 * reload1.c (reload): Likewise for variable `is_scalar'.
16441 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
16442 (choose_reload_regs): Initialize variable `mode'.
16443 (emit_reload_insns): Likewise for variable `store_insn'.
16444 (reload_cse_noop_set_p): Mark parameter `insn' with
16446 (reload_combine): Initialize variable `set'.
16448 * unroll.c (unroll_loop): Likewise for variable `local_label'.
16449 (copy_loop_body): Cast a value to `size_t' when comparing against
16452 * varasm.c (assemble_variable): Initialize variable `size_tree'.
16453 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
16454 (remove_from_pending_weak_list): Mark parameter `name' with
16457 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16459 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
16462 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
16464 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
16465 (ASM_DECLARE_FUNCTION_NAME): Define.
16466 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
16467 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
16468 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
16469 not already defined.
16471 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16473 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
16474 of n_popped when call/call_value are not defined.
16476 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
16478 * tm.texi: GNU CC -> GCC conversion.
16479 (CC1_SPEC): Indicate it is used for all language front ends.
16481 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
16483 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
16484 NOTE_INSN_EH_REGION_END correctly.
16486 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16487 Jeff Law <law@cygnus.com>
16489 * loop.c (strength_reduce): Automatically unroll loops if the
16490 unrolled loop size is smaller than the rolled loop size.
16492 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
16493 and delete comment that code should be rewritten.
16495 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
16497 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
16500 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
16502 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
16504 * fixinc/mkfixinc.sh: Don't fix uwin headers.
16505 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
16506 (LINK_SPEC): Add -u _main when building executables.
16507 (ASM_DECLARE_FUNCTION): Update from Cygwin.
16508 (ASM_FILE_END): Use the default for ix86-pe.
16509 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
16511 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
16513 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
16514 and ASM_CLOSE_PAREN are empty strings.
16516 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
16517 Geoffrey Keating <geoffk@cygnus.com>
16519 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
16520 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
16521 (unprotoize.o): Ditto.
16522 (test-protoize-simple): Don't define STD_PROTO_DIR.
16523 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
16524 changes to make 'test-protoize-simple' pass.
16525 (STD_PROTO_DIR): Remove define.
16526 (STANDARD_EXEC_PREFIX): Supply default define.
16527 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
16528 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
16529 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
16530 (GET_ENV_PATH_LIST): New macro.
16531 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
16532 (do_processing): Initialize default_syscalls_dir using new
16533 macros. Use it to initialize syscalls_absolute_filename.
16535 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
16537 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
16538 B into a register before emit_conditional_move.
16540 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
16542 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
16543 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
16544 multiplicand out of (+ (* a b) (* c d)).
16546 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
16547 Richard Henderson <rth@cygnus.com>
16549 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
16550 (new_insn_dead_notes): Likewise.
16551 (update_n_sets): Likewise.
16552 (update_flow_info): Move to flow.c, renamed to update_life_info;
16553 extend to handle multiple source insns.
16554 * flow.c: Include resource.h
16555 (unlink_insn_chain): New.
16556 (split_hard_reg_notes): New.
16557 (maybe_add_dead_note): New.
16558 (maybe_add_dead_note_use): New.
16559 (find_insn_with_note): New.
16560 (new_insn_dead_notes): New.
16561 (update_n_sets): New.
16562 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
16563 (maybe_remove_dead_notes): New.
16564 (update_life_info): New.
16565 (prepend_reg_notes): New.
16566 (replace_insns): New.
16567 * output.h (update_life_info): Declare.
16568 * recog.c (split_block_insns): Use update_life_info.
16569 * resource.c (find_free_register): Use reg_alloc_order, don't use
16570 fixed regs, make sure the mode is supported, don't use new regs.
16572 * rtl.h (replace_insns): Declare.
16574 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
16576 * expr.c (expand_expr): Cope with COND_EXPRs with one
16577 non-returning branch.
16579 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
16581 * expr.c (store_expr): Always pass down the target, even when not
16584 1999-08-24 Nick Clifton <nickc@cygnus.com>
16586 * configure.in: Define target_cpu_default for v850 targets.
16587 * configure: Regenerate
16589 * config/v850/v850.h (TARGET_CPU_generic): Define.
16590 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
16591 addresses are 4 byte aligned.
16593 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
16596 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16598 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
16599 (main): Add prototypes.
16601 * genattrtab.c (substitute_address, write_const_num_delay_slots,
16602 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
16603 (write_attr_get): Emit prototypes along with function definition.
16604 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
16605 (write_complex_function): Emit static prototype along with
16606 function definition.
16608 * genemit.c (gen_split): Emit prototypes along with function
16611 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
16612 Likewise for predicates and `insn_operand_predicate'.
16613 (process_template): Emit static prototype along with function
16616 * genrecog.c (make_insn_sequence): Constify a char*. Add
16617 prototypes for get_split_*().
16618 (write_subroutine): Emit prototypes along with function
16621 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16623 * gcse.c (find_avail_set): Follow chains of register-register copies.
16624 Use oprs_not_set_p to guarantee that the returned value can be
16626 (cprop_insn): Don't verify the return value of find_avail_set with
16629 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
16630 (cprop_cc0_jump): New function.
16631 (cprop_insn): Break out new function cprop_jump and use it.
16632 Also use cprop_cc0_jump for machines with CC0.
16633 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
16635 * tree.h (current_function_calls_setjmp,
16636 current_function_calls_longjmp): Delete declarations.
16637 * dsp16xx.c: Include "function.h".
16638 * elxsi.c: Likewise.
16639 * gmicro.c: Likewise.
16640 * h8300.c: Likewise.
16641 * i370.c: Likewise.
16642 * m32r.c: Likewise.
16643 * mn10200.c: Likewise.
16644 * mn10300.c: Likewise.
16645 * ns32k.c: Likewise.
16646 * spur.c: Likewise.
16647 * v850.c: Likewise.
16649 * rtl.h (rtx_equal_function_value_matters): Declare.
16650 * toplev.c (rtx_equal_function_value_matters): Don't declare.
16652 * function.c: Likewise.
16653 * emit-rtl.c: Likewise.
16655 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
16657 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
16660 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16662 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
16665 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
16667 * cpp.texi: Add a node documenting macro varargs (copied
16670 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
16672 * cppspec.c: Put a null pointer at the end of the new argv.
16674 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
16676 * configure.in: Remove code to select/de-select the haifa
16677 scheduler. Every scheduled port gets haifa now.
16678 * configure: Rebuilt.
16679 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
16681 * Makefile.in: Corresponding changes.
16683 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16685 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
16686 All callers changed.
16687 (prepare_float_lib_cmp): Likewise.
16688 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
16689 * expr.h (emit_float_lib_cmp): Delete declaration.
16690 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
16691 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
16692 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
16694 (cmptf): Now conditional on TARGET_HARD_QUAD.
16696 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
16698 * resource.c (mark_target_live_regs): Use
16699 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
16701 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16703 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
16705 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
16707 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
16709 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16711 * rtl.h (rtx_format): Constify a char*.
16713 * rtl.c (rtx_format): Likewise.
16714 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
16715 (init_rtl): Use accessor macro, not `rtx_format'.
16717 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
16720 * caller-save.c (mark_referenced_regs): Likewise.
16722 * combine.c (subst, make_compound_operation, known_cond,
16723 gen_rtx_combine, update_table_tick, get_last_value_validate,
16724 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
16726 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
16727 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
16728 count_reg_usage): Likewise.
16730 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
16733 * final.c (leaf_renumber_regs_insn): Likewise.
16735 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
16736 dump_edge_info, count_reg_references): Likewise.
16738 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
16739 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
16742 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
16743 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
16744 add_label_notes): Likewise.
16746 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
16747 clear_struct_flag, count_sub_rtxs, count_alternatives,
16748 compares_alternatives_p, contained_in_p, walk_attr_value,
16749 write_expr_attr_cache): Likewise.
16751 * genconfig.c (walk_insn_part): Likewise.
16753 * genemit.c (max_operand_1, gen_exp): Likewise.
16755 * genextract.c (walk_rtx): Likewise.
16757 * genflags.c (num_operands): Likewise.
16759 * genoutput.c (scan_operands): Likewise.
16761 * genpeep.c (match_rtx): Likewise.
16763 * genrecog.c (add_to_sequence): Likewise.
16765 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
16768 * integrate.c (save_constants, copy_for_inline,
16769 copy_rtx_and_substitute, subst_constants, restore_constants):
16772 * jump.c (mark_jump_label, invert_exp, redirect_exp,
16773 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
16775 * local-alloc.c (contains_replace_regs, memref_referenced_p):
16778 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
16779 add_label_notes, replace_call_address, count_nonfixed_reads,
16780 invariant_p, find_single_use_in_loop, find_mem_givs,
16781 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
16784 * print-rtl.c (reg_names, print_rtx): Likewise.
16786 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
16788 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
16789 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
16790 print_blocks): Likewise.
16792 * regclass.c (fix_register, record_address_regs,
16793 reg_scan_mark_refs): Likewise.
16795 * regmove.c (stable_but_for_p): Likewise.
16797 * reload.c (loc_mentioned_in_p, operands_match_p,
16798 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
16799 copy_replacements, refers_to_regno_for_reload_p,
16800 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
16801 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
16804 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
16805 delete_address_reloads_1, count_occurrences,
16806 reload_cse_mem_conflict_p, reload_combine_note_use,
16807 add_auto_inc_notes): Likewise.
16809 * resource.c (mark_referenced_resources, mark_set_resources):
16812 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
16813 reg_mentioned_p, regs_set_between_p, modified_between_p,
16814 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
16815 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
16816 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
16817 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
16819 * sched.c (sched_analyze_2, attach_deaths): Likewise.
16821 * stupid.c (stupid_mark_refs): Likewise.
16823 * unroll.c (remap_split_bivs): Likewise.
16825 * varasm.c (mark_constants): Likewise.
16827 * a29k/a29k.c (uses_local_reg_p): Likewise.
16829 * alpha/alpha.c (summarize_insn): Likewise.
16831 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
16832 eliminate_lr2ip): Likewise.
16834 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
16836 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
16837 reg_mentioned_in_mem): Likewise.
16839 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
16840 symbolic_reference_mentioned_p): Likewise.
16842 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
16844 * sh/sh.c (regs_used, mark_use): Likewise.
16846 * vax/vax.c (vax_rtx_cost): Likewise.
16848 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16850 * machmode.h (mode_name): Constify a char*.
16852 * rtl.c (mode_name): Likewise.
16854 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
16856 * optabs.c (init_libfuncs): Constify a char*.
16858 * print-tree.c (mode_name): Remove redundant declaration.
16859 (print_node): Use accessor macro, not `mode_name'.
16861 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
16863 (new_spill_reg): Constify a char*.
16865 * tree.c (mode_name): Remove redundant declaration.
16867 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16869 * rtl.c (rtx_name): Constify a char*.
16871 * rtl.h (rtx_name, fix_sched_param): Likewise.
16873 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
16874 (mypr): Use accessor macro, not `rtx_name'.
16876 * genemit.c (print_code): Constify a char*.
16878 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
16880 * genpeep.c (print_code): Constify a char*.
16882 * genrecog.c (print_code): Likewise.
16884 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
16885 end_bb): Add static prototype.
16886 (draw_edge): Constify a char*.
16887 (end_bb): Remove unused parameter.
16889 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
16890 print_block_visualization): Constify a char*.
16892 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
16894 * c-common.c (c_get_alias_set): Update comment.
16896 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
16898 * linux.h (LIB_SPEC): Added.
16900 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16902 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
16904 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
16906 * tree.c (expr_check): Fix typo in last change.
16908 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
16910 * rtl.def (NOTE): Change format to "iuu0n".
16911 (ADDR_DIFF_VEC): Change format to "eEee0".
16912 (ADDRESSOF): Change format to "eit".
16914 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
16915 (RTVEC_ELT): Change to match.
16916 (XVECEXP): Use XVEC and RTVEC_ELT.
16917 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
16918 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
16919 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
16920 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
16921 TRAP_CONDITION, TRAP_CODE): Use XEXP.
16922 (INTVAL): Use XWINT.
16923 (ADDRESSOF_DECL): Use XTREE.
16924 (SET_ADDRESSOF_DECL): Delete.
16925 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
16926 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
16927 ifdefed out since 2.6 at least.
16928 (gen_rtvec_vv): Delete prototype.
16930 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
16932 (copy_most_rtx): Handle 't' format letter.
16933 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
16934 (gen_rtvec_vv): Delete function. All callers changed to use
16935 gen_rtvec_v instead.
16936 * print-rtl.c (print_rtx): Move special casing of NOTEs to
16937 the '0' format letter.
16939 * function.c (gen_mem_addressof): Don't use
16940 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
16942 * integrate.c (copy_rtx_and_substitute): Likewise.
16943 Copy 't' slots with XTREE.
16944 (subst_constants): Treat 't' slots like '[swi]' slots.
16945 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
16946 * jump.c (rtx_equal_for_thread_p): Likewise.
16947 * rtlanal.c (rtx_equal_p): Likewise.
16948 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
16949 only four arguments.
16950 * gengenrtl.c (type_from_format): Provide correct types for
16954 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
16955 If a recent gcc is in use (always in stage2 and beyond), use
16956 statement expressions, so we don't make a function call unless
16957 the check fails. Evaluate arguments exactly once.
16958 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
16959 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
16961 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
16962 they evaluate their arguments exactly once, irrespective of
16963 the compiler in use.
16965 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
16966 is used by the currently-enabled check macros. This is:
16967 (tree_check_failed, tree_class_check_failed): For gcc.
16968 (tree_check, tree_class_check, cst_or_constructor_check,
16969 expr_check): For other compilers.
16971 * gencheck.c: Do not define any *_CHECK1 macros.
16973 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
16974 Mark Mitchell <mark@codesourcery.com>
16976 * c-common.c (c_get_alias_set): Fix support for poitners and
16979 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
16981 * alias.c: Include tree.h.
16982 (nonlocal_reference_p, mark_constant_function): New functions.
16983 * flow.c (life_analysis): Call mark_constant_function.
16984 * rtl.h (mark_constant_function): Declare it.
16986 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
16988 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
16989 unrecognisable switches.
16991 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16993 * loop.c (recombine_givs): Set ix field after sorting.
16994 (recombine_givs): Remove bogus index / giv lockstep looping.
16996 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16998 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
17000 (emit_store_flag_force): Use do_compare_rtx_and_jump.
17001 (do_cmp_and_jump): Formatting fixes.
17002 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
17003 do_compare_rtx_and_jump instead of compare_from_rtx.
17004 (do_compare_rtx_and_jump): New function; mostly copied from
17006 (do_jump_for_compare): Delete.
17007 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
17009 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
17010 of compare/do_jump_for_compare pairs.
17011 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
17012 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
17013 compare_from_rtx/do_jump_for_compare pairs.
17014 (do_jump_by_parts_equality): Likewise.
17015 (do_jump_by_parts_equality_rtx): Likewise.
17016 * expr.h (do_compare_rtx_and_jump): Declare.
17017 * optabs.c (prepare_cmp_insn): New function, contains most of the code
17018 that used to be in emit_cmp_insn.
17019 (cmp_available_p): New function.
17020 (prepare_operand): New function.
17021 (emit_cmp_and_jump_insn_1): New function, contains some code that used
17022 to be in emit_cmp_insn.
17023 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
17024 parameters to be pointers; don't emit final compare but modify some of
17025 the values pointed to by the args so the caller can perform the
17026 correct comparison.
17027 (expand_binop): Call emit_store_flag_force with signed forms of
17029 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
17030 emit_jump_insn pair.
17031 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
17032 emit_cmp_and_jump_insn_1. Call emit_queue.
17033 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
17035 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
17036 jump sets cc0 before deleting it.
17037 * integrate.c (expand_inline_function): Likewise.
17038 * unroll.c (unroll_loop): Similar changes in several places.
17039 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
17040 before deleting it.
17042 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17044 * Makefile.in (insn-recog.o): Update dependencies.
17045 * genrecog.c (main): Make generated file include "function.h".
17047 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
17049 * cse.c (cse_insn): Call never_reached_warning when a jump is
17050 changed to be unconditional.
17051 * flags.h: Declare warn_notreached.
17052 * flow.c (delete_block): Call never_reached_warning when
17053 a block is deleted.
17054 * jump.c (delete_barrier_successors): Call never_reached_warning
17055 when we delete everything after a BARRIER.
17056 (never_reached_warning): New function.
17057 * rtl.h: Declare never_reached_warning.
17058 * toplev.c (warn_notreached): New variable.
17059 (lang_independent_options): Set warn_notreached
17060 when -Wunreachable-code.
17061 (compile_file): We need line numbers for -Wunreachable-code.
17063 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
17065 * haifa-sched.c (insn_unit): Fix typo on out of range test.
17066 * sched.c (insn_unit): Likewise.
17068 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
17070 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
17072 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17074 * flow.c (create_edge_list): Use xmalloc, not malloc.
17076 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
17078 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
17079 C-style comments. Do not lose the character before double slash.
17081 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17083 * basic-block.h (struct edge_list): Stucture to maintain a vector
17085 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
17086 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
17087 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
17088 New function prototypes.
17089 * flow.c (create_edge_list): Function to create an edge list.
17090 (free_edge_list): Discards memory used by an edge list.
17091 (print_edge_list): Debug output showing an edge list.
17092 (verify_edge_list): Internal consistency check for an edge list.
17093 (find_edge_index): Function to find an edge index for a pred and succ.
17095 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
17097 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
17100 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
17102 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
17104 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17106 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
17108 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
17110 * toplev.c (rest_of_compilation): Allow machine dependent
17111 reorganisation pass to place information into the RTL dump
17112 file if it so wishes.
17114 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
17116 * explow.c (hard_function_value): Use VOIDmode instead of
17118 * stmt.c (expand_return): Likewise.
17119 * stor-layout.c (get_best_mode): Likewise.
17121 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
17122 emit call instead of emit_insn call.
17124 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
17126 * configure.in: Handle --disable/enable-win32-registry.
17127 * install.texi: Document --disable/enable-win32-registry.
17128 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
17129 (WIN32_REGISTRY_KEY): New macro.
17130 * prefix.c: Use to enable/disable win32-specific code.
17131 (lookup_key): Use versioned key.
17132 * configure: Regenerate.
17133 * config.in: Likewise.
17135 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
17137 * cpplib.c (read_line_number): New fn, split out of...
17140 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17142 tree.c (lang_unsave_expr_now) : New.
17143 (unsave_expr_now): Call lang_unsave_expr_now.
17144 tree.h (lang_unsave_expr_now) : New.
17146 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
17148 * toplev.c (flag_new_exceptions): On by default.
17150 1999-08-13 Michael Meissner <meissner@cygnus.com>
17152 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
17154 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17156 * dwarfout.c (fundamental_type_code): Return FT_boolean for
17157 INTEGER_TYPE with precision==1, it's __java_boolean.
17159 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17161 * global.c (prune_preferences): Move some invariants out of the
17164 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
17166 * configure.in (alpha*-dec-osf*): Add osf5.
17168 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
17170 * configure.in: Rework handling of ARM GNU/Linux slightly.
17171 (arm*-*-linux-gnuoldld): New target.
17172 * configure: Regenerate.
17173 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
17174 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
17175 * config/arm/linux-oldld.h: New file.
17176 * config/arm/linux-elf26.h: Don't include linux-elf.h.
17177 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
17179 * config/arm/linux-elf.h (ASM_SPEC): Define.
17180 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
17181 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
17182 for 26-bit APCS and old linker.
17183 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
17185 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
17186 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
17187 don't define `arm' or `arm_elf'.
17188 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
17189 MULTILIB_DIRNAMES): Define. Fix typo in comment.
17191 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
17193 * rtl.texi: Fix typo.
17195 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
17197 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
17199 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
17201 * extend.texi (C++ Signatures): Remove node.
17202 * invoke.texi: Remove discussion of -fhandle-signatures,
17203 signature, sigof, __signature__, and __sigof__.
17205 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
17207 * Makefile.in (JAVAGC): Removed.
17209 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
17211 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17213 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
17215 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17217 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
17219 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
17220 a register that is already known to be a pointer.
17222 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
17224 * fixinc/inclhack.tpl: Only install assert.h conditionally.
17225 * fixinc/inclhack.sh: Regenerated.
17226 * fixinc/fixincl.sh: Regenerated.
17228 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
17230 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
17231 Fix documentation of -ansi flag to describe its C++ behavior.
17232 Remove bogus reference to GCC 2.9.
17234 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
17236 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
17237 note if it is non-NULL.
17239 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17241 * except.h (eh_nesting_info): Add new structure defintion.
17242 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
17243 (reachable_handlers, update_rethrow_references): Add function
17245 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
17246 a rethrow symbol instead of an integer exception region number.
17247 * flow.c (Make_edges): Use new exception nesting routines to determine
17248 which handlers are reachable from a CALL or asynchronous insn.
17249 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
17251 (delete_eh_regions): Update rethrow labels, and don't delete
17252 regions which are the target of a rethrow.
17253 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
17254 avoid overloading the SYMBOL_REF_USED flag.
17255 (rethrow_symbol_map): Use new rethrow_ref field.
17256 (rethrow_used): Use new rethrow_ref field.
17257 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
17258 of an integer. Fix formatting.
17259 (output_exception_table_entry): Use new rethrow_ref field.
17260 (can_throw): Check for EH_REGION_NOTE before deciding
17261 whether a CALL can throw or not.
17262 (scan_region): Call rethrow_used() instead of accessing data structure.
17263 (update_rethrow_references): New function to make sure only regions
17264 which are still targets of a rethrow are flagged as such.
17265 (process_nestinfo): New static function to initialize a handler
17266 list for a specific region.
17267 (init_eh_nesting_info): New function to allocate and initialize
17268 the list of all EH handlers reachable from all regions.
17269 (reachable_handlers): New function to retrieve the list of handlers
17270 reachable from a specific region and insn.
17271 (free_eh_nesting_info): New function to dispose of a list of
17272 reachable handlers.
17274 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17276 * flow.c (split_edge): Set JUMP_LABEL field.
17277 (commit_one_edge_insertion): Set head correctly for insert_before.
17278 When inserting insns, update insn block numbers if allocated.
17280 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17282 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
17283 retry_incomplete_types): Add static prototype.
17284 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
17285 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
17286 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
17287 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
17288 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
17291 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
17292 dwarf2out_start_source_file, dwarf2out_line): Likewise.
17294 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17296 * output.h (assemble_name): Constify a char*.
17298 * varasm.c (UNIQUE_SECTION, assemble_start_function,
17299 assemble_variable, assemble_name): Likewise.
17301 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
17303 * arm/pe.c (arm_pe_unique_section): Likewise.
17305 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
17307 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
17309 * i386/interix.c (i386_pe_unique_section): Likewise.
17311 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
17313 * i386/winnt.c (i386_pe_unique_section): Likewise.
17315 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
17317 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
17319 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
17321 * pa/pa.c (output_call): Likewise.
17323 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
17325 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
17327 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
17330 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
17333 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
17335 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
17336 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
17338 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
17340 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17342 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
17344 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17346 * tree.h (lang_identify): Constify a char*.
17347 (print_error_function): Add extern prototype. Constify a char*.
17349 * c-lang.c (lang_identify): Constify a char*.
17351 * objc/objc-act.c (lang_identify): Constify a char*.
17353 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17355 * genpeep.c (main): Make generated file include "function.h".
17356 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
17358 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17360 * Makefile.in: Update dependencies.
17361 * alias.c: Include "function.h"
17362 * c-decl.c: Likewise.
17363 * caller-save.c: Likewise.
17364 * calls.c: Likewise.
17365 * combine.c: Likewise.
17367 * explow.c: Likewise.
17368 * final.c: Likewise.
17369 * global.c: Likewise.
17370 * graph.c: Likewise.
17371 * local-alloc.c: Likewise.
17372 * loop.c: Likewise.
17373 * optabs.c: Likewise.
17374 * profile.c: Likewise.
17375 * recog.c: Likewise.
17376 * regclass.c: Likewise.
17377 * regmove.c: Likewise.
17378 * reload.c: Likewise.
17379 * reorg.c: Likewise.
17380 * resource.c: Likewise.
17381 * sched.c: Likewise.
17382 * stupid.c: Likewise.
17383 * config/1750a/1750a.c: Likewise.
17384 * config/a29k/a29k.c: Likewise.
17385 * config/arc/arc.c: Likewise.
17386 * config/arm/arm.c: Likewise.
17387 * config/arm/thumb.c: Likewise.
17388 * config/c4x/c4x.c: Likewise.
17389 * config/clipper/clipper.c: Likewise.
17390 * config/convex/convex.c: Likewise.
17391 * config/fx80/fx80.c: Likewise.
17392 * config/i860/i860.c: Likewise.
17393 * config/m68k/m68k.c: Likewise.
17394 * config/m88k/m88k.c: Likewise.
17395 * config/mips/mips.c: Likewise.
17396 * config/pdp11/pdp11.c: Likewise.
17397 * config/pyr/pyr.c: Likewise.
17398 * config/romp/romp.c: Likewise.
17399 * config/sh/sh.c: Likewise.
17400 * config/tahoe/tahoe.c: Likewise.
17401 * config/vax/vax.c: Likewise.
17402 * config/we32k/we32k.c: Likewise.
17403 * config/sparc/sparc.c: Include "function.h".
17404 (mem_min_alignment): Test current_function rather than
17405 regno_pointer_align.
17406 * config/pa/pa.c: Likewise.
17407 (compute_frame_size): Delete declaration of
17408 current_function_outgoing_args_size.
17409 * config/arc/arc.h (current_function_varargs): Delete declaration.
17410 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
17412 * config/i370/i370.h (current_function_outgoing_args_size): Delete
17414 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
17415 current_function_uses_pic_offset_table.
17416 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
17417 of current_function_returns_pointer.
17418 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17419 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17420 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17421 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17422 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17423 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17424 * config/m88k/m88k.c: Include "function.h"
17425 (call_used_regs, current_function_pretend_args_size,
17426 current_function_outgoing_args_size, frame_pointer_needed): Delete
17428 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
17430 * config/mips/mips.h (current_function_calls_alloca): Delete
17432 * config/mn10200/mn10200.h (current_function_needs_context,
17433 rtx_equal_function_value_matters): Delete declarations.
17434 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
17435 flag_pic): Delete declarations.
17436 * config/pa/pa.h (current_function_pretend_args_size,
17437 current_function_decl): Delete declarations.
17438 * config/pa/som.h (current_function_varargs): Delete declaration.
17439 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
17441 * config/pyr/pyr.h (current_function_pretend_args_size,
17442 current_function_args_size, current_function_calls_alloca): Delete
17444 * config/sh/sh.h (current_function_varargs): Delete declaration.
17445 * config/sparc/sparc.h (current_function_outgoing_args_size,
17446 current_function_calls_alloca, current_function_decl): Delete
17448 * config/spur/spur.h (current_function_pretend_args_size,
17449 current_function_calls_alloca): Delete declarations.
17450 * config/v850/v850.c (current_function_outgoing_args_size): Delete
17452 * config/vax/vms.h (current_function_name): Delete declaration.
17453 * gcse.c: Include "function.h".
17454 (current_function_name, current_function_calls_setjmp): Delete
17456 * haifa-sched.c: Include "function.h".
17457 (forced_labels): Delete declaration.
17458 * jump.c: Likewise.
17459 * reg-stack.c: Likewise.
17460 * reload1.c: Likewise.
17461 * genemit.c (main): Make generated file include function.h.
17462 * genoutput.c (output_prologue): Likewise.
17464 * builtins.c (saveregs_value, apply_args_value): Delete variables.
17465 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
17466 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
17467 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
17468 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
17469 macros for some of them.
17470 (emit_filename, emit_lineno): Delete declarations.
17471 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
17472 regno_pointer_* variables through current_function.
17473 (gen_inline_header_rtx): Delete function.
17474 (save_emit_status): Delete function.
17475 (set_new_last_label_num): New function.
17476 (clear_emit_caches): New function.
17477 (restore_emit_status): Just clear last_labelnum and call
17479 (get_last_insn_anywhere): Variable sequence_stack is now accessed
17480 through macro seq_stack.
17481 (add_insn_after): Likewise.
17482 (add_insn_before): Likewise.
17483 (remove_insn): Likewise.
17484 (pop_topmost_sequence): Likewise.
17485 (in_sequence_p): Likewise.
17486 (start_sequence_for_rtl_expr): Likewise.
17487 (start_sequence): Likewise, and likewise for
17488 sequence_rtl_expr/seq_rtl_expr.
17489 (push_topmost_sequence): Likewise.
17490 (end_sequence): Likewise.
17491 (init_virtual_regs): Now takes a "struct emit_status *" argument.
17492 All callers changed. Store into that pointer instead of globals.
17493 (init_emit): Allocate emit elt of current_function.
17494 Changes for sequence_rtl_expr/sequence_stack renaming.
17495 Call clear_emit_caches instead of doing it in-line.
17496 Access regno_pointer_* variables through current_function.
17497 (init_emit_once) Don't clear sequence_stack.
17499 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
17501 (arg_pointer_save_area): Delete declaration.
17502 (finish_expr_for_function): Renamed from init_queue; no longer static.
17503 (init_expr): Don't call init_queue.
17504 (save_expr_status, restore_expr_status): Delete functions.
17505 (expand_expr): Changes to reflect new layout of struct function.
17506 Don't access current_function_check_memory_usage when current_function
17508 * expr.h (forced_labels, save_expr_regs, saveregs_value,
17509 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
17510 current_function_outgoing_args_size, current_function_arg_offset_rtx,
17511 current_function_uses_const_pool, function_call_count,
17512 current_function_uses_pic_offset_table, nonlocal_labels,
17513 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
17514 current_function_check_memory_usage, nonlocal_goto_handler_slots,
17515 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
17517 (finish_expr_for_function): Declare.
17518 * flags.h (current_function_has_nonlocal_label,
17519 current_function_has_nonlocal_goto, current_function_is_thunk,
17520 current_function_has_computed_jump): Delete declarations.
17521 * flow.c (forced_labels): Delete declaration.
17522 * function.c (current_function_pops_args,
17523 current_function_returns_struct, current_function_returns_pcc_struct,
17524 current_function_needs_context, current_function_calls_setjmp,
17525 current_function_calls_longjmp, current_function_has_nonlocal_label,
17526 current_function_has_nonlocal_goto, current_function_is_thunk,
17527 current_function_has_computed_jump, current_function_calls_alloca,
17528 current_function_contains_functions, current_function_returns_pointer,
17529 current_function_epilogue_delay_list, current_function_args_size,
17530 current_function_pretend_args_size, current_function_arg_offset_rtx,
17531 current_function_outgoing_args_size, current_function_varargs,
17532 current_function_stdarg, current_function_args_info, cleanup_label,
17533 current_function_name, current_function_uses_const_pool,
17534 current_function_instrument_entry_exit, current_function_return_rtx,
17535 current_function_uses_pic_offset_table, nonlocal_labels,
17536 current_function_internal_arg_pointer, current_function_cannot_inline,
17537 current_function_check_memory_usage, function_call_count,
17538 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
17539 nonlocal_goto_stack_level, return_label, save_expr_regs,
17540 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
17541 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
17542 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
17543 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
17544 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
17546 (push_function_context_to): Don't save them. Don't call
17547 save_storage_status, save_emit_status or save_expr_status.
17548 (pop_function_context_from): Don't restore them. Don't call
17549 restore_storage_status or restore_expr_status.
17550 (get_func_frame_size): New function.
17551 (get_frame_size): Use it.
17552 (assign_outer_stack_local): Reflect some member name changes in struct
17554 (put_reg_into_stack): Likewise.
17555 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
17557 (fixup_var_refs): Likewise.
17558 (fix_lexical_addr): Likewise.
17559 (trampoline_address): Likewise.
17560 (prepare_function_start): Clear field inlinable of current_function.
17561 (init_function_for_compilation): New function.
17562 (expand_dummy_function_end): New function.
17563 (expand_function_end): Call finish_expr_for_function.
17564 * function.h (struct emit_status): New; fields moved here from struct
17565 function and from global variables. Add accessor macros for some of
17567 (struct expr_status): Likewise.
17568 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
17569 (struct function): Add fields expr and emit, inlinable, inl_emit,
17570 original_arg_vector, original_decl_initial, inl_last_parm_insn,
17571 inl_max_label_num. Add many comments.
17572 Add accessor macros for all elts of struct function that no longer
17573 have a global variable.
17574 (cleanup_label, return_label, frame_offset, tail_recursion_label,
17575 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
17576 stack_slot_list): Delete declarations.
17577 (get_func_frame_size): Declare.
17578 (save_expr_status, restore_expr_status, save_emit_status,
17579 save_storage_status, restore_storage_status): Delete declarations.
17580 (init_virtual_regs): Declare.
17581 * output.h (current_function_pops_args,
17582 current_function_returns_struct, current_function_returns_pcc_struct,
17583 current_function_needs_context, current_function_calls_setjmp,
17584 current_function_calls_longjmp, current_function_calls_alloca,
17585 current_function_has_nonlocal_label, current_function_varargs,
17586 current_function_has_computed_jump, current_function_returns_pointer,
17587 current_function_contains_functions, current_function_args_size,
17588 current_function_pretend_args_size, current_function_stdarg,
17589 current_function_outgoing_args_size, current_function_args_info,
17590 current_function_name, current_function_return_rtx,
17591 current_function_epilogue_delay_list,
17592 current_function_uses_const_pool, current_function_cannot_inline):
17593 Delete declarations.
17594 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
17595 regno_reg_rtx): Delete declaration.
17596 (REGNO_POINTER_FLAG): Delete macro.
17597 * stmt.c (expand_goto): Changes to reflect that some fields in struct
17598 function were renamed.
17599 * stor-layout.c (save_storage_status, restore_storage_status): Delete
17601 * toplev.c: Include "function.h".
17602 (current_function_decl): Delete declaration.
17603 (compile_file): Call init_dummy_function_start and
17604 expand_dummy_function_end around some initializations that need to
17606 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
17607 Call init_function_for_compilation.
17608 * unroll.c: Include "function.h"
17609 (unroll_loop): Access regno_pointer_* variables through
17612 * tree.h (struct tree_decl): Add elt f to saved_insns member.
17613 (DECL_SAVED_INSNS): use it.
17614 (expand_dummy_function_end): Declare.
17615 (init_function_for_compilation): Declare.
17616 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
17617 that it's no longer an INLINE_HEADER.
17618 (expand_call): Likewise.
17619 * integrate.c (finish_inline): Delete function.
17620 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
17621 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
17622 args. Don't generate an INLINE_HEADER rtx, just return the arg
17623 vector. All callers changed.
17624 (save_for_inline_copying): Create a duplicate struct emit_status to
17625 hold the emit state for compiling the current function. Use this and
17626 the other new fields in struct function that are for integration
17627 instead of an INLINE_HEADER.
17628 Use memcpy instead of bcopy.
17629 Store the current struct function in DECL_SAVED_INSNS of fndecl.
17630 (save_for_inline_nocopy): Similar changes, except no new emit_status
17632 (expand_inline_function): Get information from function structure,
17633 not from an inline header rtx.
17634 (output_inline_function): Lose code to extract the necessary
17635 information from an inline header; simply put back the function
17636 structure into current_function. Clear its inlinable elt.
17637 * rtl.def (INLINE_HEADER): Delete.
17638 * rtl.h: Delete all accessors for an INLINE_HEADER.
17639 (gen_inline_header_rtx): Delete declaration.
17640 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
17641 Delete declarations.
17642 (REGNO_POINTER_ALIGN): Delete.
17643 (clear_emit_caches): Declare.
17644 (set_new_last_label_num): Declare.
17646 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
17648 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
17650 * except.c (expand_eh_region_start_for_decl): Always start a new block.
17651 * stmt.c (is_eh_region): Make sure current_function is present, too.
17653 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
17655 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
17656 for 64bit PA targets.
17658 * pa.h (SELECT_SECTION): Define.
17659 * som.h (SELECT_SECTION): Delete.
17661 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17663 * alias.c (init_alias_analysis): Wrap call to
17664 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
17666 1999-08-07 Bruce Korb <autogen@linuxbox.com>
17668 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
17669 <sys/asm.h> contains an asm comment with an apostrophe
17670 * fixinc/inclhack.sh: regen
17671 * fixinc/fixincl.x: regen
17673 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
17675 * function.c (init_function_start): Clear prologue & epilogue.
17676 (prologue_epilogue_contains): New function.
17677 * alias.c (init_alias_analysis): Use it.
17678 * rtl.h (prologue_epilogue_contains): Declare it.
17680 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
17682 * jump.c (onlyjump_p): New function.
17683 * rtl.h: Declare it.
17684 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
17685 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
17687 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
17689 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
17690 to invert loops. Simplify block scanning.
17692 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17694 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
17695 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
17697 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
17699 * config/sparc/liteelf.h: New file to support sparclite-elf target
17700 * config/sparc/t-sp86x: New file to support sparc86x targets
17701 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
17702 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
17703 * configure.in: Support above target triplets
17704 * configure: Regenerated
17706 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
17708 * fixinc/server.c (server_setup): Do not prefix function used as
17709 parameter with `&'.
17711 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
17713 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
17714 Remove fp reg alternatives.
17716 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
17718 * Makefile.in (TAROUTOPTS): Kill.
17719 (install-headers-tar): Use "xpf" for tar headerfile extraction
17720 * i370/x-oe (TAROUTOPTS): Delete.
17721 * m68k/x-apollo68 (TAROUTOPTS): Delete.
17722 * m68k/x-hp320 (TAROUTOPTS): Delete.
17723 * m68k/x-hp320g (TAROUTOPTS): Delete.
17724 * gcc.texi: Update bug reporting text.
17726 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17728 * reg-stack.c (change_stack) Fixed problem with negative array index.
17730 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
17732 * extend.texi, install.texi: Fix spelling mistakes.
17734 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
17735 (s-attrtab); No longer try to use pre-made insn-attrtab file.
17736 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
17737 PREMADE_ATTRTAB_MD.
17738 * mips/t-ecoff: Likewise.
17739 * mips/t-elf: Likewise.
17740 * mips/t-mips: Likewise.
17741 * mips/t-osfrose: Likewise.
17742 * mips/t-r3900: Likewise.
17743 * mips/t-svr3: Likewise.
17744 * mips/t-svr4: Likewise.
17745 * mips/t-ultrix: Likewise.
17747 * gcc.texi: Document recommend means to provide software floating
17748 point libraries in libgcc.a
17750 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
17752 * c-lex.c (yylex): We can have a number with no digits.
17754 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
17756 * jump.c (delete_prior_computation): New function, broken
17757 out of delete_computation. Check for side effects with
17758 side_effects_p instead of FIND_REG_INC_NOTE. Handle
17759 multi-word hard registers.
17760 (delete_computation): Use it. Check for side effects with
17761 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
17762 missing REG_DEAD note for a register which is both set and
17765 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
17767 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
17768 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
17769 (ASM_FILE_START): Import _mcount with the right type.
17770 (ASM_DECLARE_FUNCTION_NAME): Define.
17771 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
17772 * pa.c (output_function_prologue): Always emit the function's label
17774 * pa.h (TEXT_SPACE_P): Define.
17775 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
17776 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
17777 * som.h (TEXT_SPACE_P): Delete.
17778 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
17779 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
17781 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
17783 * expr.c (emit_group_load): Allow src to be a CONCAT.
17785 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17787 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
17788 (___mulsi3): Use '!' comment character.
17790 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17792 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
17794 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
17796 * gcc.c: Update URLs and mail addresses.
17797 * gcc.texi: Likewise.
17799 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
17801 * rs6000.c (current_file_function_operand): Return zero for
17803 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
17805 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
17808 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
17810 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
17811 allocate space in the stack frame for the PIC register.
17813 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
17815 * m68k.md (xordi3, anddi3): These patterns are not available on
17818 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
17820 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
17821 (PUT_REAL): Likewise.
17823 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17825 * final.c (shorten_branches): Don't add an alignment for loops
17826 that have no label inside.
17828 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17830 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
17831 prototypes in macro HAVE_cmpstrsi.
17833 * cpplib.c (cpp_get_token): Remove unused label `op3'.
17835 * emit-rtl.c (operand_subword): Remove unused variable
17838 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
17840 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
17842 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
17844 * cpphash.c (macroexpand): Delete leading whitespace when arg
17845 is concatenated before.
17846 (unsafe_chars): Correct test for whether + and - can extend a
17849 * cppinit.c (cpp_start_read): Do dependencies for
17850 -include/-imacros files also.
17852 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
17853 tokenizing non-directive lines.
17854 (cpp_expand_to_buffer): Temporarily disable no-output mode.
17855 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
17858 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
17860 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
17862 * c-lex.c: Sync with C++ frontend.
17863 (linemode): New variable.
17864 (parse_float): imag, conversion_errno, and type are output only.
17865 (yylex): Adjust. Move initial '.' case into main switch.
17867 (handle_generic_pragma): Just deal with tokens.
17868 (readescape): Use ISXDIGIT and ISGRAPH.
17869 * c-parse.in: Add END_OF_LINE token.
17871 * c-lex.c (lang_init): Generalize.
17872 (nextchar): Remove. Replace uses with UNGETC.
17873 (skip_white_space): Handle linemode here. Optimize for cpplib.
17874 (skip_white_space_on_line): Remove.
17875 (extend_token_buffer_to): New fn.
17876 (extend_token_buffer): Use it.
17877 (read_line_number, check_newline): Just deal with tokens.
17878 (token_getch, token_put_back): New fns.
17879 (yylex): Use them. More cpplib optimizations. Simplify.
17881 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
17882 Jason Merrill <jason@yorick.cygnus.com>
17884 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
17885 (consume_string): Make this smart about USE_CPPLIB.
17886 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
17887 (yylex): Rewrite to be intelligent about USE_CPPLIB.
17888 Also, clean up cases where we redundantly set token_buffer[0].
17889 (read_line_number): New fn.
17890 (ignore_escape_flag): New variable.
17892 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
17894 * a29k/t-a29kbare: Fix some comments.
17895 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
17896 (FPBIT, DPBIT): Define.
17897 * a29k/t-vx29k: Likewise.
17898 * arc/t-arc: Likewise.
17899 * arm/t-arm-elf: Likewise.
17900 * arm/t-bare: Likewise.
17901 * arm/t-pe: Likewise.
17902 * arm/t-pe-thumb: Likewise.
17903 * arm/t-semi: Likewise.
17904 * arm/t-thumb: Likewise.
17905 * arm/t-thumb-elf: Likewise.
17906 * arm/t-thumb-linux: Likewise.
17907 * h8300/t-h8300: Likewise.
17908 * i960/t-i960: Likewise.
17909 * i960/t-vxworks960: Likewise.
17910 * m32r/t-m32r: Likewise.
17911 * mips/t-ecoff: Likewise.
17912 * mips/t-elf: Likewise.
17913 * mips/t-r3900: Likewise.
17914 * pa/t-pro: Likewise.
17915 * rs6000/t-aix43: Likewise.
17916 * rs6000/t-beos: Likewise.
17917 * rs6000/t-newas: Likewise.
17918 * rs6000/t-ppccomm: Likewise.
17919 * rs6000/t-rs6000: Likewise.
17920 * rs6000/t-winnt: Likewise.
17921 * rs6000/t-xnewas: Likewise.
17922 * rs6000/t-xrs6000: Likewise.
17923 * sh/t-sh: Likewise.
17924 * sparc/t-elf: Likewise.
17925 * sparc/t-sparcbare: Likewise.
17926 * sparc/t-sparclite: Likewise.
17927 * sparc/t-splet: Likewise.
17928 * v850/t-v850: Likewise.
17929 * mn10200/t-mn10200: Fix comments.
17930 * mn10300/t-mn10300: Likewise.
17932 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
17933 dummy operand. Allocate a new pseudo for the dummy operand.
17934 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
17936 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
17938 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
17940 * configure: Rebuilt.
17941 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
17943 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
17945 * recog.c (preproces_constraints): Zero recog_op_alt before
17946 processing the constraints.
17948 * arm.c (typedef minipool_node): Renamed from pool_node.
17949 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
17950 (add_minipool_constant): New function.
17951 (dump_minipool): New function.
17952 (find_barrier): Remove special case for getting the insn size of
17953 an insn that references the constant pool.
17954 (minipool_fixup): New structure.
17955 (push_minipool_barrier): New function.
17956 (push_minipool_fix): New function.
17957 (note_invalid_constants): New function.
17958 (add_pool_constant, dump_table, fixit, broken_move): Delete.
17959 (arm_reorg): Rewrite code to fix up the constant pool into a
17960 series of mini-pools embedded in the insn stream.
17961 (arm_output_epilogue): New function, made mainly from the body
17962 of output_func_epilogue.
17963 (output_func_epilogue): Move insn generation part of epilogue code
17964 to arm_output_epilogue.
17965 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
17966 * arm.md (pool_range): New attribute.
17967 (zero_extendqidi2): Add attribute pool_range.
17968 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
17969 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
17970 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
17971 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
17972 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
17973 (epilogue): New expand.
17974 (epilogue_insn): New insn. Call arm_output_epilogue.
17976 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
17977 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
17979 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
17981 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
17983 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
17985 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
17987 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
17989 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
17991 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
17993 * global.c: Fix comment.
17995 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
17997 * gcc.c (access_check): New static function.
17998 (find_a_file): Use it when searching a directory list.
17999 * collect2.c (find_a_file): Don't accept directories found when
18000 searching a directory list.
18002 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
18004 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
18005 function parameters with `&'.
18006 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
18008 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
18010 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
18011 or tidy_fallthru_edge if the last insn in the block is not
18012 an unconditional jump or a simple conditional jump.
18014 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18016 * Makefile.in (c-decl.o): Depends on defaults.h.
18018 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
18020 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
18022 (CLASS_MAX_NREGS): Likewise.
18024 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
18026 * cse.c (cse_insn): Fix dumb thinko in last change.
18028 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18030 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
18033 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
18035 * dwarf2out.c (add_location_or_const_value_attribute): Correct
18036 test for sizes of passed and declared parameter types.
18038 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18040 * fixincludes: Fix the return type of bsearch, char* -> void*.
18042 * fixinc/inclhack.def: Likewise.
18044 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
18046 * invoke.texi (-fdump-translation-unit): New option.
18048 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
18050 * expr.h (PROMOTE_PROTOTYPES): Move ...
18051 * defaults.h: ... to here.
18052 * c-decl.c: Include defaults.h instead of expr.h.
18053 * c-typeck.c: Include defaults.h.
18055 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
18057 * toplev.h (errorcount): Declare.
18058 (warningcount): Likewise.
18059 (sorrycount): Likewise.
18060 * c-lex.c (errorcount): Don't declare.
18061 * dwarf2out.c (errorcount): Don't declare.
18063 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
18065 * config/libgloss.h: Add a note discouraging use with ELF.
18066 * configure.in: Don't use libgloss.h for ELF targets.
18067 Always use_collect2 on a.out targets.
18069 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
18071 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
18072 (force_to_mode, case ASHIFTRT): Add shiftrt label.
18074 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18076 * loop.c (strength_reduce): When doing biv->giv conversion, update
18077 reg note of NEXT->insn.
18079 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18081 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
18083 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18085 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
18086 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
18087 Ensure expr.h is included.
18088 * c-typecheck.c (convert_arguments): Ditto.
18090 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
18092 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
18093 * config/convex/convex.h: Ditto.
18094 * config/dsp16xx/dsp16xx.h: Ditto.
18095 * config/fx80/fx80.h: Ditto.
18096 * config/gmicro/gmicro.h: Ditto.
18097 * config/i370/i370.h: Ditto.
18098 * config/i386/i386.h: Ditto.
18099 * config/m32r/m32r.h: Ditto.
18100 * config/m68k/m68k.h: Ditto.
18101 * config/m88k/m88k.h: Ditto.
18102 * config/mips/mips.h: Ditto.
18103 * config/pa/pa.h: Ditto.
18104 * config/pyr/pyr.h: Ditto.
18105 * config/tahoe/tahoe.h: Ditto.
18106 * config/we32k/we32k.h: Ditto.
18108 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
18109 based on arch size.
18111 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
18113 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
18116 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
18118 1999-08-02 Richard Henderson <rth@cygnus.com>
18120 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
18121 for the register spill block.
18122 (m32r_va_arg): New.
18123 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
18124 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
18126 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
18127 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
18128 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
18130 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18132 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
18133 MAX_WCHAR_TYPE defined in sparc.h.
18134 * config/sparc/linuxaout.h: Likewise.
18135 * config/sparc/linux64.h: Likewise.
18136 Also default to -mvis if CPU is UltraSPARC.
18138 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18140 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
18141 (RTX_OK_FOR_OLO10): Likewise.
18142 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
18143 %lo(), allow it in addresses...
18144 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
18145 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
18146 does not make sense.
18147 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
18148 (sparc_output_scratch_registers): New function.
18149 (output_function_prologue, sparc_flat_output_function_prologue): Use
18151 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
18153 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
18154 * configure.in: Add check for .register pseudo-op support in as and
18155 check for offsetable %lo().
18156 * acconfig.h: Add templates for the above checks.
18157 * configure: Regenerate.
18159 1999-08-02 Richard Henderson <rth@cygnus.com>
18161 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
18162 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
18163 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
18165 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18167 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
18170 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18172 * config/float-sparc.h: New file.
18173 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
18174 sparc-*-linux-gnu and sparc64-*-linux*.
18176 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18178 * rs6000.c (rs6000_va_list): Type is an array.
18179 (rs6000_va_start): Don't doubly adjust for varargs.
18180 (rs6000_va_arg): Evaluate long long GPR adjustment.
18182 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
18184 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
18185 -maix64 and -maix32.
18186 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
18187 LINK_SPEC): Change appropriately.
18188 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
18189 (u_short_cint_operand): Likewise.
18190 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
18192 * rs6000/t-aix43 (MULTILIB): Change to -m64.
18194 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
18196 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
18198 * rs6000/rs6000.c (num_insns_constant_wide): Correct
18199 for type promotion.
18200 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
18201 (non_add_cint_operand): Likewise.
18202 (logical_operand): Likewise.
18203 (non_logical_cint_operand): Likewise.
18204 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
18205 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
18206 (rs6000_select_rtx_section): Suppress warning.
18207 (small_data_operand): Suppress warning.
18208 (rs6000_got_register): Suppress warning.
18209 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
18210 type, so `J' is generally the wrong constraint for a SImode value;
18212 (andsi3_internal2): Likewise.
18213 (andsi3_internal3): Likewise.
18214 (iorsi3_internal1): Likewise.
18215 (xorsi3_internal1): Likewise.
18217 (movsf_softfloat): Likewise.
18218 (scc insns): Likewise.
18219 (movsi+2): Preserve sign bits of SImode constant.
18220 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
18221 (movdf+1): Sign-extend properly.
18222 (movdi_32+1): Sign-extend properly.
18223 (scc insns): Sign-extend properly.
18225 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
18228 1999-08-02 Richard Henderson <rth@cygnus.com>
18230 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
18231 -mcpu parsing code.
18232 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
18233 * alpha.md (all fp insns): Likewise.
18235 1999-08-02 Nick Clifton <nickc@cygnus.com>
18237 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
18240 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
18242 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
18243 pic_load_label generator directly.
18244 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
18245 No longer a named pattern.
18247 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
18249 * explow.c (force_reg): Call force_operand if X does not
18250 satisfy general_operand.
18252 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
18254 * fix-header.c (main): When testing for CONTINUED, use string
18255 equality, not pointer equality.
18257 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
18259 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
18261 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
18263 * cse.c (cse_insn): Fix loop which deletes insns after a jump
18264 that has become an unconditional jump.
18266 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
18267 (output_function_epilogue): Similarly.
18269 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18271 * tree.h (init_dummy_function_start): Declare.
18273 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18275 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
18276 last_expr_type, last_expr_value, block_start_count, block_stack,
18277 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
18278 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
18279 dynamically in stmt elt of struct function for each function.
18280 (struct nesting): Rename function_call_count elt to n_function_calls,
18281 target_temp_slot_level to block_target_temp_slot_level. All users
18283 (struct stmt_status): New structure definition.
18284 Add many accessor macros for stmt_status elements which previously
18285 were global variables.
18286 (init_stmt_for_function): Allocate stmt elt for current_function.
18287 Reflect that block_start_count was renamed to
18288 current_block_start_count.
18289 (save_stmt_status, restore_stmt_status): Delete functions.
18290 (preserve_subexpressions_p): Don't access loop_stack when outside
18292 (expand_start_bindings): Reflect that block_start_count was renamed to
18293 current_block_start_count.
18294 (expand_fixup): Likewise.
18295 (expand_decl): Don't access block_stack when outside a function.
18296 (expand_decl_cleanup): Likewise.
18297 (expand_dcc_cleanup): Likewise.
18298 (expand_dhc_cleanup): Likewise.
18299 (expand_anon_union_decl): Likewise.
18300 (set_file_and_line_for_stmt): New function.
18301 (in_control_zone_p): New function.
18303 * function.h (struct function): Add new elt stmt.
18304 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
18305 case_stack, nesting_stack, nesting_depth, block_start_count,
18306 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
18307 emit_lineno, goto_fixup_chain.
18308 (save_eh_status, restore_eh_status, save_stmt_status,
18309 restore_stmt_status): Delete declarations.
18310 * function.c (push_function_context_to): Don't call save_stmt_status.
18311 (pop_function_context_to): Don't call restore_stmt_status.
18312 * tree.h (in_control_zone_p): Declare.
18313 * rtl.h (set_file_and_line_for_stmt): Declare.
18315 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
18316 call set_file_and_line_for_stmt.
18318 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
18320 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
18321 Also update copyright.
18323 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18325 * c-pragma.c: Don't include "except.h".
18326 * emit-rtl.c: Likewise.
18327 * stor-layout.c: Likewise.
18328 * tree.c: Likewise.
18329 * varasm.c: Likewise.
18331 * flow.c: Include "function.h".
18332 * tree.h (init_dummy_function_start): Declare new function.
18334 * except.h (struct eh_status): New structure.
18335 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
18337 (eh_return_stub_label, ehstack, catchstack, ehqueue,
18338 catch_clauses, false_label_stack, caught_return_label_stack,
18339 protect_list, current_function_ehc): Add accessor macros for the
18340 corresponding fields in current_function->eh; delete declarations
18341 for all items that used to be declared here.
18342 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
18343 catch_clauses, false_label_stack, caught_return_label_stack,
18344 protect_list, current_function_ehc): Delete variables.
18345 (init_eh_for_function): Allocate current_function->eh.
18346 (save_eh_status, restore_eh_status): Delete functions.
18348 * function.h (struct function): Add fields next_global and eh.
18349 Delete all exception handling related fields.
18350 * function.c (current_function): New variable.
18351 (all_functions): New variable.
18352 (push_function_context_to): Don't allocate a struct function,
18353 use current_function instead. Call init_dummy_function_start when
18354 outside a function. Clear current_function before returning.
18355 (pop_function_context_from): Restore current_function.
18356 Don't free the restored struct function.
18357 (prepare_function_start): New function.
18358 (init_dummy_function_start): New function.
18359 (init_function_start): Break out some code into prepare_function_start
18362 * stmt.c (save_stmt_status): Don't call save_eh_status.
18363 (restore_stmt_status): Don't call restore_eh_status.
18365 * Makefile.in: Update dependencies.
18367 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
18369 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
18370 of depending on a magic constant value. Update comments.
18371 (hppa_expand_prologue): Similarly.
18373 * pa.md (reload_indi, reload_outdi): Allow any register for the
18374 original reload register.
18376 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
18378 * cccp.c (print_help): Change marcos to macros.
18380 1999-07-30 Richard Henderson <rth@cygnus.com>
18382 * c-typeck.c (initializer_constant_valid_p): Move ...
18383 * c-common.c (initializer_constant_valid_p): ... here. Use
18384 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
18385 of label addresses.
18386 * c-common.h (initializer_constant_valid_p): Declare.
18387 * c-tree.h (initializer_constant_valid_p): Remove.
18389 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
18391 * config/i386/sol2-c1.asm: Align the stack.
18392 * config/i386/sol2-gc1.asm: Likewise.
18394 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
18396 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
18397 -Asparclite for sparc86x.
18398 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
18400 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
18402 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
18404 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
18405 the user if using the non-default arch size in BI_ARCH configuration.
18406 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
18408 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
18409 Fix patterns so that they actually match.
18410 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
18411 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
18412 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
18414 (mulsidi3): Reflect this in the expand.
18415 (smulsi3_highpart): Only on TARGET_ARCH32.
18416 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
18417 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
18418 (umulsidi3): Reflect this in the expand.
18419 (umulsi3_highpart): Only on TARGET_ARCH32.
18420 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
18421 don't require g0 to be zero.
18422 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
18423 ({,u}divsi3): New expands.
18424 ({,u}divsi3_sp64): New patterns.
18425 (after lshrdi3_v8plus): Four new patterns to help combiner
18426 optimizing nested mixed mode shifts.
18428 * config/sparc/sparc.c (sparc_override_options): Use deprecated
18429 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
18430 speed things up. Don't use them by default on plain v9 in 64bit
18431 mode, according to what SPAMv9 sais.
18433 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
18434 top 32 bits of %[og][0-7] in signal handlers.
18435 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
18437 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
18439 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
18440 (ashlsi3): Corresponding changes.
18442 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
18444 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
18446 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
18448 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18450 * arm.h (Hint): Delete macro.
18451 Substitute HOST_WIDE_INT for Hint in some prototypes.
18452 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
18454 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
18456 * builtins.c (expand_builtin_setjmp): Use force_operand to
18457 make sure that the buffer address is in a suitable form to be
18458 passed to force_reg.
18460 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
18462 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
18465 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
18467 * pa.md (indirect_jump): Remove mode from match_operand. Verify
18468 proper mode in the condition string.
18469 (icacheflush, dcacheflush): Remove modes from match_operands.
18471 * pa.c (emit_move_sequence): Always convert scratch_reg to the
18472 proper mode before using it.
18474 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
18477 * pa.c (store_reg): Do not call add_high_const generator directly.
18478 (load_reg, set_reg_plus_d): Likewise.
18479 * pa.md (add_high_const): No longer a named pattern.
18481 * pa.c (legitimize_address): Consistently use Pmode rather than
18482 SImode. Do not call gen_pic2_highpart directly anymore.
18483 * pa.md (pic2_highpart): No longer a named pattern.
18484 (pic2_lo_sum): Similarly. Reformat to make more readable.
18486 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
18491 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18493 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
18495 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
18497 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
18498 and tag the spill mems.
18499 (hppa_va_start): New.
18500 (hppa_va_arg): New.
18501 * pa.h (EXPAND_BUILTIN_VA_START): New.
18502 (EXPAND_BUILTIN_VA_ARG): New.
18504 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
18506 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
18507 and tag the spill mems.
18508 (mn10300_va_start): New.
18509 (mn10300_va_arg): New.
18510 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
18511 (EXPAND_BUILTIN_VA_ARG): New.
18513 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
18515 * mn10200.c (mn10200_va_arg): New.
18516 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
18518 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
18520 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
18521 rather than play with TREE_INT_CST_LOW.
18523 1999-07-27 Philip Blundell <pb@nexus.co.uk>
18525 * config/arm/telf.h: Include dbxelf.h.
18526 (CPP_PREDEFINES): Only define if not already defined.
18527 (ASM_IDENTIFY_GCC): Likewise.
18528 (SUBTARGET_EXTRA_SECTIONS): Likewise.
18529 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
18530 * config/arm/thumb.h (LINK_SPEC): Only define if not already
18532 (DBX_DEBUGGING_INFO): Don't define.
18533 * config/arm/linux-telf.h: New file.
18534 * config/arm/linux-tgas.h: New file.
18535 * config/arm/t-thumb-linux: New file.
18536 * config/arm/uclinux-elf.h: New file.
18537 * config/arm/uclinux-telf.h: New file.
18538 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
18539 thumb-*-uclinux): New targets.
18540 * configure: Regenerate.
18542 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
18544 * pa.md (post_store, pre_load): New expanders.
18545 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
18546 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
18547 need to directly generate RTL for them.
18548 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
18551 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
18553 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
18554 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
18555 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
18556 (secndary_reload_class): Make TARGET_ELF conditional compile.
18557 (print_operand_address): Similar.
18558 (output_toc): Print all values as hex.
18559 (get_issue_rate): Rearrange and add RS64A and PPC630.
18560 * rs6000.h (processor_type): Add RS64A and PPC630.
18561 (PROCESSOR_POWERPC64): New.
18562 (PROMOTE_MODE): Use word_mode.
18563 (RTX_COSTS): Add RS64A and PPC630.
18564 * rs6000.md (scheduling information): Add lmul and ldiv
18565 representing 64-bit integer multiply and divide. Add rs64a and
18566 PPC630 information.
18567 (ashldi3): Add support for "rldic" instruction.
18568 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
18570 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
18572 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
18573 instead of V8 for sparclite86x in cpu_table.
18575 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18577 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
18578 output_file_directive.
18580 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
18582 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
18583 tree for op1, not the rtl.
18585 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
18587 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
18588 to m88k_va_start, leaving only the register spill.
18589 (m88k_build_va_list): New.
18590 (m88k_va_start): New.
18591 (m88k_va_arg): New.
18592 * m88k.h (BUILD_VA_LIST_TYPE): New.
18593 (EXPAND_BUILTIN_VA_START): New.
18594 (EXPAND_BUILTIN_VA_ARG): New.
18596 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
18598 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
18599 Rename from expand_builtin_saveregs.
18600 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
18602 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
18604 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
18605 for the register spill block.
18606 (i960_build_va_list): New.
18607 (i960_va_start): New.
18608 (i960_va_arg): New.
18609 * i960.h (BUILD_VA_LIST_TYPE): New.
18610 (EXPAND_BUILTIN_VA_START): New.
18611 (EXPAND_BUILTIN_VA_ARG): New.
18612 * i960.md (store_multiple): Use change_address on individul mems.
18614 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
18616 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
18618 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
18619 (expand_builtin_va_end): Evaluate arg for side effects.
18620 * c-common.c (c_common_nodes_and_builtins): Construct a
18621 va_list_arg_type_node to handle array decomposition to pointer.
18623 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
18625 * except.c (start_dynamic_cleanup): Use force_operand on the
18628 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
18630 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
18631 * c4x.c (c4x_va_arg): New.
18633 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
18635 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
18636 has manual_pop set.
18638 1999-07-26 Nathan Sidwell <nathan@acm.org>
18640 * eh-common.h (__eh_matcher): Prototype correctly.
18642 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
18644 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
18645 (TARGET_SINGLE_PIC_BASE): Likewise.
18646 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
18648 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
18649 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
18650 (TARGET_OPTIONS): Add -mpic-register=N.
18651 (OUTPUT_INT_ADDR_CONST): New macro.
18652 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
18653 LEGITIMATE_PIC_OPERAND_P): Likewise.
18654 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
18655 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
18656 output_addr_const directly.
18657 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
18659 (thumb_pic_register, thumb_pic_register_string): Declare.
18661 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
18663 (label_mentioned_p): New function: Imported from arm.c.
18664 (legitimize_pic_address): New function: Imported from arm.c.
18665 (is_pic):New function: Imported from arm.c.
18666 (thumb_finalize_pic):New function: Imported from arm.c.
18667 (add_constant): Cope with PIC constants.
18668 (fixit): Cope with PIC constants.
18669 (output_return): Do not treat the PIC register as live if
18670 TARGET_SINGLE_PIC_BASE is true.
18671 (thumb_function_prologue): Do not treat the PIC register as live if
18672 TARGET_SINGLE_PIC_BASE is true.
18673 (thumb_expand_prologue): Do not treat the PIC register as live if
18674 TARGET_SINGLE_PIC_BASE is true.
18675 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
18676 TARGET_SINGLE_PIC_BASE is true.
18677 (thumb_print_operand): Accept '|'.
18678 (thumb_override_options): Process PIC options.
18680 * config/arm/thumb.md (movsi): Support PIC.
18681 (call_insn): Change "i" constraint to "X".
18682 (call_value_insn): Likewise.
18683 (consttable_4, consttable_8, consttable_end): Set and clear
18684 "making_const_table" as appropriate.
18685 (pic_load_addr, pic_add_dot_plus_four): New insns.
18687 * invoke.texi (Thumb Options): Fix spelling. Document new
18688 options -msingle-pic-base and -mpic-register=.
18690 1999-07-26 Andrew Haley <aph@cygnus.com>
18692 * config/m32r/initfini.c (__init): Use a full word immediate for
18693 __fini: this allows it to be placed in any memory region.
18695 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
18696 -mmodel=medium. This is OK for all memory models.
18698 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
18700 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
18701 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
18703 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
18705 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
18708 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
18710 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
18712 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
18713 (BUILD_VA_LIST_TYPE): New.
18714 (EXPAND_BUILTIN_VA_START): New.
18715 (EXPAND_BUILTIN_VA_ARG): New.
18716 * i860.c (output_delayed_branch): Disable.
18717 (output_delay_insn): Likewise.
18718 (i860_saveregs): New.
18719 (i860_build_va_list): New.
18720 (i860_va_start): New.
18721 (i860_va_arg): New.
18722 * i860.md: Disable all peepholes using output_delayed_branch.
18723 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
18725 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
18727 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
18728 (BUILD_VA_LIST_TYPE): New.
18729 (EXPAND_BUILTIN_VA_START): New.
18730 (EXPAND_BUILTIN_VA_ARG): New.
18731 * clipper.c (clipper_builtin_saveregs): Only dump registers.
18732 Return the address of the save area.
18733 (clipper_build_va_list): New.
18734 (clipper_va_start): New.
18735 (clipper_va_arg): New.
18737 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
18739 * arc.h (EXPAND_BUILTIN_VA_START): New.
18740 (EXPAND_BUILTIN_VA_ARG): New.
18741 * arc.c (arc_setup_incoming_varargs): Set alias set of
18743 (arc_va_start): New.
18746 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
18748 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
18749 (BUILD_VA_LIST_TYPE): New.
18750 (EXPAND_BUILTIN_VA_START): New.
18751 (EXPAND_BUILTIN_VA_ARG): New.
18752 * alpha.c (alpha_builtin_saveregs): Delete.
18753 (alpha_build_va_list): New.
18754 (alpha_va_start): New.
18755 (alpha_va_arg): New.
18757 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
18759 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
18761 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
18762 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
18764 * gcc.texi: More changes related to list conversion.
18765 * invoke.texi: Likewise.
18767 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
18769 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
18770 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
18771 (expand_builtin_next_arg): Accept ARGLIST not EXP.
18772 (stabilize_va_list): New function.
18773 (std_expand_builtin_va_start): New function.
18774 (expand_builtin_va_start): New function.
18775 (get_varargs_alias_set): New function.
18776 (std_expand_builtin_va_arg): New function.
18777 (expand_builtin_va_arg): New function.
18778 (expand_builtin_va_end): New function.
18779 (expand_builtin_va_copy): New function.
18780 (expand_builtin): Call them.
18781 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
18782 __builtin_{varargs_start,stdarg_start,end,copy}.
18783 (build_va_arg): New function.
18784 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
18785 (build_va_arg): Declare.
18786 * c-decl.c (ptr_type_node, va_list_type_node): New.
18787 * c-parse.gperf (__builtin_va_arg): New.
18788 * c-parse.in (VA_ARG): New token.
18789 (unary_expr): Recognize it.
18790 * expr.c (expand_expr): Expand VA_ARG_EXPR.
18791 * expr.h (std_expand_builtin_va_start): Declare.
18792 (std_expand_builtin_va_arg): Declare.
18793 (expand_builtin_va_arg): Declare.
18794 (get_varargs_alias_set): Declare.
18795 * tree.def (VA_ARG_EXPR): New.
18796 * tree.h (BUILT_IN_VARARGS_START): New.
18797 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
18798 (ptr_type_node, va_list_type_node): Declare.
18799 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
18800 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
18801 * m88k.h, m88k.c: Likewise.
18802 * mn10300.h, mn10300.c: Likewise.
18803 * pa.h, pa.c: Likewise.
18804 * rs6000.h, rs6000.c: Likewise.
18805 * sh.h, sh.c: Likewise.
18806 * sparc.h, sparc.c: Likewise.
18808 * emit-rtl.c (operand_subword): Copy alias set.
18809 (change_address): Likewise.
18811 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
18813 * pa.c (compute_frame_size): Scan all the used callee saved registers,
18814 not just the first one.
18816 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
18818 * config/arm/arm.h (TARGET_SWITCHES): Add
18819 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
18820 (TARGET_OPTIONS): Add -mpic-register=.
18821 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
18822 (arm_pic_register_string): Declare.
18823 (NEED_PLT_GOT): Delete, replace with ...
18824 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
18825 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
18826 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
18827 * config/arm/arm.c (arm_override_options): Add new option
18829 (arm_pic_register_string): New variable.
18830 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
18831 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
18832 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
18833 (output_return_instruction): Likewise.
18834 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
18835 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
18836 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
18838 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
18839 mention of -msched-prolog. Document new options -msingle-pic-base
18840 and -mpic-register=.
18842 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
18844 * haifa-sched.c (reemit_notes): Tidy.
18845 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
18848 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
18850 * explow.c (trunc_int_for_mode): New function.
18851 (plus_constant_wide): Use it.
18852 * combine.c (simplify_and_const_int): Likewise.
18853 (merge_outer_ops): Likewise.
18854 (simplify_shift_const): Likewise.
18855 * cse.c (simplify_unary_operation): Likewise.
18856 (simplify_binary_operation): Likewise.
18857 * emit-rtl.c (operand_subword): Likewise.
18858 * rtl.h: Declare it.
18860 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18862 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
18863 (use NUM_REGS instead of NUM_INTS).
18865 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18867 * builtins.c: New file.
18868 * expr.c (saveregs_value, apply_args_value): Delete definition,
18869 moved into builtins.c.
18870 (string_constant): No longer static.
18871 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
18872 apply_args_size, apply_result_size, result_vector,
18873 expand_builtin_apply_args, expand_builtin_apply,
18874 expand_builtin_return): Delete functions, moved into builtins.c.
18875 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
18876 * expr.h (saveregs_value, apply_args_value): Declare variables.
18877 (expand_builtin, string_constant): Declare functions.
18878 * Makefile.in: Update to build builtin.o.
18880 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
18882 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
18883 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
18884 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
18885 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
18887 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
18890 1999-07-21 Michael Meissner <meissner@cygnus.com>
18892 * print-rtl.c (print_rtx): Print the names of the virtual
18895 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
18897 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
18898 introduced in previous delta.
18900 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18902 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
18903 to avoid name clash.
18905 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
18907 * c-lex.c (yylex) : Correct the test for overflow when lexing
18910 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
18912 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
18913 (adjust_priority): Always call ADJUST_PRIORITY.
18914 (schedule_insn): Only put insns into the ready at cost 0.
18915 (schedule_block): Remove redundant initial sort. Give clock_var
18916 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
18918 * tm.texi (MD_SCHED_REORDER): Update docs.
18920 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
18921 * sparc.c (ultra_reorder_called_this_block): Delete.
18922 (ultrasparc_sched_init): Don't set it.
18923 (ultrasparc_sched_reorder): Don't check it.
18925 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
18927 * rs6000.h (struct rs6000_args): Add sysv_gregno.
18928 * rs6000.c (init_cumulative_args): Init sysv_gregno.
18929 (function_arg_boundary): Align DFmode.
18930 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
18931 to get fp reg and stack overflow correct.
18932 (function_arg): Likewise.
18933 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
18934 (setup_incoming_varargs): Restructure for ABI_V4; use
18935 function_arg_advance to skip final named argument.
18936 (expand_builtin_saveregs): Properly unskip the last integer arg
18937 when doing varargs. Adjust overflow location calculation.
18939 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
18940 explicitly unsigned.
18941 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
18942 (__VA_GP_REGSAVE): Similarly.
18943 (__va_longlong_p): Delete.
18944 (__va_arg_type_violation): New declaration.
18945 (va_arg): Restructure. Flag promotion errors. Align double.
18946 TFmode passed by reference.
18948 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
18949 in the HOST_BITS_PER_WIDE_INT > 32 case.
18951 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
18953 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
18955 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
18957 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
18958 * toplev.c (documented_lang_options): Add -fpreprocessed.
18959 * cpplib.h (struct cpp_buffer): Add preprocessed.
18960 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
18961 (cpp_start_read): Don't expand macros or emit an initial #line
18962 directive if -fpreprocessed.
18964 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
18966 * cpplib.h (struct cpp_buffer): Added manual_pop for
18967 better C++ tokenization.
18968 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
18969 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
18970 * c-common.c (cpp_token): Make non-static.
18972 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18974 * c-common.h: New file.
18975 * c-common.c (permanent_obstack): Delete unused declaration.
18976 (c_global_trees): New array.
18977 (c_common_nodes_and_builtins): New function; split off common code
18978 from init_decl_processing in both c-decl.c and cp/decl.c.
18979 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
18980 c_global_trees and accessor macros defined in c-common.h.
18981 Include c-common.h.
18982 * c-decl.c: Delete definitions for tree nodes that were replaced by
18984 (init_decl_processing): Build void_list_node.
18985 Call c_common_nodes_and_builtins; delete code to generate the common
18987 * objc/objc-act.c (build_module_descriptor): Rename variable
18988 void_list_node to avoid clash with c-common.h.
18990 * Makefile.in: Update dependencies.
18991 * objc/Make-lang.in: Likewise.
18993 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
18995 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
18996 (UNIQUE_SECTION_P): Likewise.
18997 (UNIQUE_SECTION): Likewise.
18999 1999-07-19 Linas Vepstas <linas@linas.org>
19001 * config/i370/README: New file.
19002 * config/i370/linux.h: New file.
19003 * config/i370/mvs.h: New file.
19004 * config/i370/oe.h: New file.
19005 * config/i370/t-linux: New file.
19006 * config/i370/t-mvs: New file.
19007 * config/i370/t-oe: New file.
19008 * config/i370/x-oe: New file.
19009 * config/i370/xm-linux.h: New file.
19010 * config/i370/xm-mvs.h: New file.
19011 * config/i370/xm-oe.h: New file.
19013 * i370.c (label_node_t): Add first_ref_page, label_addr,
19014 label_first_ref, label_last_ref members.
19015 (mvs_need_base_reload): Renamed from mvs_label_emitted.
19016 (MAX_MVS_LABEL_SIZE): Define.
19017 (MAX_LONG_LABEL_SIZE): Define.
19018 (alias_node_t, alias_anchor, alias_number): New.
19019 (mvs_function_table): Reorder for EBCDIC.
19020 (ascebc, ebcasc): Unconditionally define.
19021 (i370_branch_dest, i370_branch_length): New functions.
19022 (i370_short_branch, i370_label_scan): New functions.
19023 (mvs_get_label): Renamed from mvs_add_label. Search for
19024 an existing label before creating a new one.
19025 (mvs_add_label): New function.
19026 (mvs_get_label_page): New function.
19027 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
19028 over the entire list.
19029 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
19030 (mvs_check_page) [TARGET_ELF_ABI]: New function.
19031 (mvs_add_alias, mvs_need_alias): New functions.
19032 (mvs_get_alias, mvs_check_alias): New functions.
19033 (handle_pragma): New function.
19034 (mvs_function_check): New function.
19035 (unsigned_jump_follows_p): Search harder.
19036 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
19037 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
19038 * i370.h (TARGET_VERSION): Delete.
19039 (CPP_SPEC, CPP_PREDEFINES): Delete.
19040 (mvs_label_emitted): Delete.
19041 (TARGET_EBCDIC): Delete.
19042 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
19043 (HANDLE_PRAGMA): Define.
19044 (HARD_REGNO_NREGS): Handle complex modes.
19045 (HARD_REGNO_MODE_OK): Likewise.
19046 (CLASS_MAX_NREGS): Likewise.
19047 (RET_REG): Likewise.
19048 (EXTRA_CONSTRAINT): Define.
19049 (RETURN_IN_MEMORY): True for DImode.
19050 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
19051 (FUNCTION_PROFILER): Delete.
19052 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
19053 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
19054 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
19055 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
19056 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
19057 (ASM_FILE_START): Add "RMODE ANY".
19058 (ASM_OUTPUT_EXTERNAL): Check for aliases.
19059 (ASM_GLOBALIZE_LABEL): Likewise.
19060 (ASM_OUTPUT_LABELREF): Likewise.
19061 (ASM_OUTPUT_COMMON): Likewise.
19062 (PRINT_OPERAND): Handle 'K', 'W', default.
19063 (PRINT_OPERAND_ADDRESS): New.
19064 (Lots of defines): Add support for TARGET_ELF_ABI.
19065 * i370.md (attr length): New. Define for all patterns.
19066 (*): Lots of tweeks to assembly output and constraints.
19068 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
19070 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
19071 Disable patterns performing SImode comparisons with SImode values
19072 if TARGET_POWERPC64 and instruction does not sign-extend or does
19073 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
19074 differ for signed quantities.
19075 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
19076 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
19077 (decrement_and_branch_on_count): Add 64-bit variant.
19079 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19081 * final.c (output_asm_insn): When searching for the matching string
19082 for a given dialect, don't run past the end of the list of
19083 alternatives if there are fewer alternatives in the template than
19086 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
19088 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
19089 Removed paragraph about compression of files and size limitation,
19090 duplicated in the FAQ. Use gcc-patches for posting patches.
19091 * gcc.c (main): Updated URL with bug reporting instructions to
19092 gcc.gnu.org. Removed e-mail address.
19093 * system.h (abort): Likewise.
19095 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19097 * Makefile.in (stmp-multilib-sub): Make the files extracted
19098 from $(LIBGCC1) writable.
19100 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
19102 * config/arm/aout.h: Reformat for improved readability.
19104 * config/arm/arm.h: Reformat for improved readability.
19105 Replace uses of fprintf with asm_fprintf where appropriate.
19106 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
19107 function declaration assembler actions.
19108 (NUM_INTS): New macro: Convert from bytes to words.
19109 (NUM_REGS): New macro: Compute number of registers required to
19110 hold a quanitity of tyep MODE.
19111 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
19113 (NUM_ARG_REGS): New macro: The number of argument registers
19115 (ARG_REGISTER): New macro: Compute the register number of the Nth
19117 (LAST_ARG_REGNUM): New macro: The number of the last argument
19119 (SP_REGNUM): New macro: Register number of the stack pointer.
19120 (FP_REGNUM): New macro: Register number of the frame pointer.
19121 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
19122 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
19123 CUMULATIVE_ARGS so that it counts registers not bytes.
19125 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
19127 Replace uses of fprintf with asm_fprintf where appropriate.
19128 (output_ascii_pseudo_op): Replace with version from thumb.c
19130 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
19132 * config/arm/elf.h (CPP_PREDEFINES): Replace with
19133 SUBTARGET_CPP_SPEC.
19134 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
19135 (ASM_FILE_START): Emit ASM_APP_OFF.
19137 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
19139 * pa.c (compute_frame_size): Round frame according to
19140 STACK_BOUNDARY rather than a hardwired value.
19142 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
19144 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
19146 * configure: Rebuilt.
19148 * configure.in (hppa*-*-linux*): New configuration.
19149 * configure: Rebuilt.
19150 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
19151 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
19152 * pa/pa-linux.h: New file.
19153 * pa/t-linux: New file.
19154 * pa/xm-linux.h: New file.
19156 * pa.c (hppa_legitimize_address): Change references from SImode to
19157 either Pmode or word_mode as appropriate.
19158 (emit_move_sequence, store_reg, load_reg): Likewise.
19159 (set_reg_plus_d, hppa_expand_prologue): Likewise.
19160 (output_mul_insn): Likewise.
19161 * pa.h (PROMOTE_MODE): Likewise.
19162 (INITIALZE_TRAMPOLINE): Likewise.
19163 (Pmode): Define to word_mode.
19165 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
19166 value of 4. Allocate 8 bytes for each FP register save.
19167 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
19169 (hppa_expand_prologue): Likewise.
19170 * pa.h (PROMOTE_MODE): Likewise.
19171 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
19172 (FUNCTION_ARG_BOUNDARY): Likewise.
19174 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
19176 * pa.c (out_of_line_prologue_epilogue): Delete.
19177 (override_options): Remove -mspace related code.
19178 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
19179 (compute_frame_size): Only allocate space for register that
19180 actually need to be saved.
19181 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
19182 (TARGET_SWITCHES): Remove -mspace, -mno-space
19183 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
19184 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
19185 * pa/ee.asm, pa/ee_fp.asm: Delete.
19187 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
19189 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
19190 directive in column zero.
19192 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
19194 * m68k.c (output_function_prologue): Fix computation of save mask
19195 when generating PIC code.
19197 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
19199 * tree.c (build_type_attribute_variant): Move current_obstack restore
19200 after build_qualified_type call.
19202 1999-07-15 Mark Mitchell <mark@codesourcery.com>
19204 * configure.in: Use t-iris6, even with GNU LD.
19205 * config/mips/iris6gld.h: Fix typo in linker spec.
19206 * config/mips/t-iris6gld: Remove.
19208 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
19210 * rs6000.md (insv, extzv): Remove SImode dependence in named
19211 patterns. Explicitly generate DImode RTL if PowerPC64 and
19213 (insvdi): Reverse start and size in instruction template.
19215 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
19217 * invoke.texi: Typo fixes.
19219 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
19221 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
19222 handle at this time instead of silently generating incorrect code.
19223 (gen_imagpart): Likewise.
19225 * reload.c (find_reloads): Emit a USE for a pseudo register without
19226 a hard register if we could not create an optional reload for the
19229 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19231 * c-typeck.c (output_init_element, process_init_element):
19232 When advancing constructor_unfilled_fields for a RECORD_TYPE,
19233 check for nameless bit fields.
19235 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
19237 * regclass.c (scan_one_insn): Notice subregs that change the
19238 size of their operand.
19239 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
19241 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
19243 * configure.in (alpha*-*-*): Include alpha/t-ieee.
19244 * configure: Rebuilt.
19245 * alpha/t-ieee: New file.
19247 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
19249 * rs6000.c (find_addr_reg): Do not select r0 as an address
19252 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
19254 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
19256 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
19258 * rs6000.md (movsf): Do not force easy FP constants into memory.
19260 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
19261 immed_double_const to ensure they are properly truncated then
19264 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19266 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
19267 always unless NO_DEBUG is used. Compile this code
19269 (replace_symbols_in_block): Compile it unconditionally.
19271 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
19273 * configure.in (i?86-*-elf*): New target.
19274 * configure: Rebuilt.
19275 * i386/i386elf.h, i386/t-i386elf: New files.
19277 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
19279 * toplev.c (main): Don't complain about saying -gdwarf.
19280 (rest_of_compilation): Remove redundant code.
19282 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
19284 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
19286 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
19288 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
19289 "Li960R:", to avoid name clash.
19291 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19293 * loop.c (check_dbra_loop): When reversing a loop, delete all
19294 REG_EQUAL notes referencing the reversed biv except those which are
19295 for a giv based on it.
19297 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
19299 * version.c: Drop "gcc-" prefix from version #.
19301 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
19303 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
19304 the label if we're being verbose.
19306 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
19308 * m68k.c (output_function_prologue): Add pic register to mask
19309 if live and flag_pic.
19310 (output_function_epilogue): Likewise.
19312 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
19314 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
19315 directives in column zero.
19317 * pa/elf.h (ASM_FILE_START): Define.
19318 * pa/som.h (ASM_FILE_START): Include .level directives.
19319 * pa/hpux10.h (ASM_FILE_START): Delete.
19320 * pa/hpux11.h (ASM_FILE_START): Delete.
19322 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
19324 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19326 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
19327 when reload_out equals reload_in.
19329 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
19331 * invoke.texi (Spec Files): New node: Describe the contents of
19334 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
19336 * invoke.texi (DEC Alpha Options): Put @end table at
19337 beginning of line, to avoid confusing texi2html.
19339 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
19341 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
19342 introduced in previous delta.
19344 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19346 * reload1.c (gen_reload): When synthesizing a 3 operand add
19347 sequence, improve test for when to reload OP1 into the reload
19348 register instead of OP0.
19350 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
19352 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
19354 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
19356 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
19359 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
19361 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
19362 (va_dcl): Use __builtin_va_alist_t.
19364 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
19366 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
19367 on the permanent_obstack.
19368 * dwarfout.c (output_type): Likewise.
19370 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
19372 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19373 Merged from c-typeck.c and cp/typeck.c.
19374 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19375 Merged into c-common.
19377 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
19379 * c-lex.c (errorcount): Declare it.
19380 (finish_parse): Update errorcount when using CPPLIB.
19382 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
19384 * fixinc/inclhack.def(end_else_label): Double the backslash so
19385 sed gets a chance to see it.
19386 * fixinc/inclhack.sh: regen
19387 * fixinc/fixincl.x: regen
19389 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
19391 Add framework to support armv5 architecture when it becomes
19394 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
19395 (arm_arch5): New variable.
19396 (all_architectures): Add armv5 line.
19397 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
19398 -march=armv5 is specified on the command line.
19399 (arm_arch5): Export this variable.
19400 * invoke.texi: Document new string accepted by -march= switch for
19403 * config/arm/arm.h: Replace use of constant 12 as a register
19404 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19405 * config/arm/arm.c: Replace use of constant 12 as a register
19406 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19408 * config/arm/elf.h: Tidy up.
19409 * config/arm/coff.h: Tidy up.
19411 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
19413 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
19414 * gcc/config/mips/t-iris6gld: New file.
19415 * gcc/config/mips/iris6gld.h: Likewise.
19417 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
19419 * c-decl.c (widest_integer_literal_type_node,
19420 widest_unsigned_literal_type) : New.
19421 (init_decl_processing): Handle/use the two new types.
19422 * c-common.c (type_for_size,type_for_mode) : Same.
19423 * c-lex.c (yylex) : Same.
19424 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19426 * c-tree.h (widest_integer_literal_type_node,
19427 widest_unsigned_literal_type) : New.
19429 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
19431 * dwarfout.c (field_byte_offset): Correctly compute the object's
19432 byte offset for the first bit of a field which crosses an alignment
19433 boundary on a !BYTES_BIG_ENDIAN target.
19435 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
19437 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
19440 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
19441 Jeff Law <law@cygnus.com>
19443 * ginclude/varargs.h (va_dcl): Use word_mode for type of
19446 * except.c: Include intl.h.
19447 (expand_eh_return): Set current_function_cannot_inline.
19448 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
19449 * function.h (struct function): Add eh_return_stub_label.
19450 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
19451 * Makefile.in (except.o): Depend on intl.h.
19453 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
19455 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
19456 same as offsettable in cases 1 and 2.
19458 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
19460 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
19461 (extlh, extwh): Likewise.
19463 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
19465 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
19467 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
19469 * configure.in: Add arm-pe and thumb-pe targets.
19470 * configure: Regenerate.
19472 * thumb.c (arm_naked_function_p): New function: Determines if
19473 a function is naked (has no gcc generated prologue/epilogue).
19474 (is_called_in_ARM_mode): Return true if the func has the
19475 interfacearm attribute.
19476 (output_return): Do not generate a return for naked functions.
19477 (thumb_function_prologue): Do not generate a prologue for
19479 (thumb_expand_prologue): Do not generate a prologue for naked
19481 (thumb_expand_epilogue): Do not generate an epilogue for naked
19483 (arm_valid_machine_decl_attribute): New function, copied from
19484 arm.c: Permit naked and interfacearm attributes.
19486 * config/arm/pe.c: New file: Support code for arm-pe target.
19487 * config/arm/pe.h: New file: Header file for arm-pe target.
19488 * config/arm/tpe.h: New file: Header file for thumb-pe target.
19489 * config/arm/t-thumb-pe: New file: Makefile fragment for
19492 1999-07-01 Mark Kettenis <kettenis@gnu.org>
19494 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
19495 -fPIC or -fpic is specified.
19497 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
19499 * expr.c (emit_block_move): Use copy_to_mode_reg for
19500 !TARGET_MEM_FUNCTIONS case too.
19502 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
19504 * configure: Rebuilt.
19505 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
19506 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
19507 definitions made redundant by dbxelf.h inclusion. Delete
19508 lots of definitions related to assembly output that are
19509 specific to the SOM object format.
19510 * pa.c (output_function_prologue): Do not emit the function's
19512 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
19513 * pa-pro.h: Deleted.
19514 * som.h: New file with SOM specific definitions.
19515 * elf.h: New file with ELF specific definitions.
19517 * elfos.h (const_section): Output a tab before assembler directives.
19518 (ctors_section, dtors_section): Likewise.
19519 (ASM_OUTPUT_SECTION_NAME): Likewise.
19521 * pa/pa1.h: Delete unused file.
19523 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
19525 * configure.in (hppa*-hp-hpux11*): New configuration.
19526 * configure: Rebuilt.
19527 * pa/pa-hpux11.h: New file.
19528 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
19531 * mips.md (leasi, leadi): New patterns.
19533 * expr.c (emit_block_move): Properly handle case where one of the
19534 block move arguments has a queued increment or decrement.
19535 (clear_storage): Similarly. Fix formatting goof.
19537 1999-06-28 "David O'Brien" <obrien@NUXI.com>
19539 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
19540 semicolon from the BSD VA_LIST replacement expression.
19542 * fixinc/inclhack.sh: regen
19543 * fixinc/fixincl.x: regen
19545 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
19546 now use the fixincl program.
19548 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
19550 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
19551 case. Also make the PIC register call_used.
19553 * m68k.h (FINALIZE_PIC): Delete.
19554 * m68k.c (finalize_pic): Delete.
19556 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
19558 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
19561 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
19563 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
19565 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
19567 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
19569 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
19571 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
19573 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
19575 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
19577 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
19579 * rs6000.c (output_toc): Always use hex values for floating-point
19580 constants. Store single-precision values in upper-half of TOC
19581 entry in 64-bit mode.
19582 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
19583 to final constraints.
19584 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
19585 (fctiwz): Improve accuracy of RTL for pattern.
19587 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
19589 * expr.c (expand_expr): Allow RTL_EXPR's through the
19590 MAX_INTEGER_COMPUTATION_MODE checks.
19592 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
19594 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
19595 such that MASK_SUPPORT_ARCH is not negative.
19597 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
19599 * loop.c (verify_dominator): Properly handle ADDR_VEC and
19600 ADDR_DIFF_VEC insns that appear inside loops.
19602 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
19603 Jeff Law <law@cygnus.com>
19605 * rs6000.md (movdf_hardfloat32): Revert previous patch.
19606 Handle LO_SUM the same as offsettable in cases 1 and 2.
19607 * rs6000.c (find_addr_reg): Revert previous patch.
19609 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
19611 * system.h (strstr): New external function declaration.
19612 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
19613 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
19614 * config.in, configure: Rebuilt.
19616 1999-06-24 Tom Tromey <tromey@cygnus.com>
19618 * gcc.c (main): Read user-specified specs files after computing
19619 additional startfile_prefixes.
19621 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
19623 Revert these two patches:
19625 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19626 * loop.c (strength_reduce): When doing biv->giv conversion, update
19627 reg note of NEXT->insn.
19629 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19630 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
19632 (recombine_givs): Set ix field after sorting.
19634 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19636 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
19637 for the parts of an UNSPEC / UNSPEC_VOLATILE.
19639 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
19641 *fixinc/inclhack.def: Add fix development commentary
19642 (read_ret_type): reactivate and add selection clause
19643 (zzz_*): tweak output file name to match what is used in hackshell.tpl
19644 *fixinc/{fixincl.x|inclhack.sh}: regen
19646 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
19648 * expr.c (expand_expr): STRIP_NOPS before checking against
19649 MAX_INTEGER_COMPUTATION_MODE
19650 (check_max_integer_computation_mode): Likewise.
19652 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
19654 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
19656 1999-06-22 Jim Wilson <wilson@cygnus.com>
19658 * expr.c (store_expr): When target is a promoted subreg, return a
19659 promoted subreg as a result.
19661 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
19663 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
19665 (dwarf2out_define): Mark unused parameters appropriately.
19666 (gen_unspecified_parameters_die): Ditto.
19667 (gen_subprogram_die): Fix signed/unsigned warnings.
19668 (gen_variable_die): Ditto.
19670 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
19672 * fixinc/inclhack.def(end_else_label): combined else_label
19673 and endif_label and fixed the sed expression.
19674 *fixinc/{fixincl.x|inclhack.sh}: regen
19676 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
19678 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
19679 'x' when handling non-offsettable addresses
19681 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
19683 * final.c (shorten_branches): Don't try to split an insn that has
19686 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
19688 * config/mips/mips.c (symbolic_expression_p): New function.
19689 (mips_select_rtx_section): Put symbolic expressions in the
19690 data section, not the read-only data section.
19692 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
19694 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
19696 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
19698 * collect2.c (main): Log frame table count.
19699 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
19700 (scan_prog_file) [COFF]: Handle frame tables.
19702 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
19703 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
19704 * alpha/elf.h: Undef them again.
19705 * alpha/vms.h: Remove their definitions.
19707 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19709 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
19710 remove the clobber of r0 and change the REG_UNUSED note to
19713 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
19715 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
19716 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
19717 fits in HOST_WIDE_INT and one uses union to access a long constant
19720 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
19722 * sparc.c (sparc_override_options): Don't allow profiling for
19723 code models other than medlow.
19724 (sparc_function_profiler): New function from old FUNCTION_PROFILER
19725 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
19726 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
19727 (sparc_block_profiler): Likewise.
19728 (sparc_function_block_profiler_exit): Likewise.
19729 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
19730 (FUNCTION_BLOCK_PROFILER): Likewise.
19731 (BLOCK_PROFILER): Likewise.
19732 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
19733 (MCOUNT_FUNCTION): New.
19734 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
19735 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
19736 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
19737 (MCOUNT_FUNCTION): New.
19738 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
19739 (BLOCK_PROFILER): Delete.
19740 (MCOUNT_FUNCTION): New.
19742 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
19744 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
19746 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19748 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19751 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19754 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19757 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19760 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
19762 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
19765 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
19767 * i386/djgpp.h (LIB_SPEC): New.
19768 (STARTFILE_SPEC): New.
19770 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
19772 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
19774 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
19777 * system.h (WSTOPSIG): New macro.
19779 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
19781 * c-pragma.c (push_alignment): Don't ignore alignments greater than
19783 (insert_pack_attributes): Take into account member natural
19786 * i386/winnt.c (exports_head): New static variable.
19787 (i386_pe_record_exported_symbol): New function.
19788 (i386_pe_asm_file_end): Use.
19789 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
19790 symbols to be emitted at end of assembly.
19791 (ASM_DECLARE_OBJECT_NAME): Likewise.
19792 (ASM_DECLARE_FUNCTION_NAME): Likewise.
19794 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
19797 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
19799 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
19802 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
19804 * haifa-sched.c (sched_analyze_1): Use free_list instead of
19805 zapping reg_last_uses directly.
19806 (sched_analyze_2, sched_analyze_insn): Likewise.
19807 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
19809 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
19811 * rs6000.md (movdf_hardfloat32): Use worst case insn length
19812 attributes for cases 1 and 2.
19814 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
19816 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
19819 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
19821 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
19823 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
19825 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
19826 PIC_OFFSET_TABLE_REGNUM for general alloaction.
19827 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
19828 must be stacked if it is used for PIC accesses.
19829 * arm.c (use_return_insn): Handle PIC register specially.
19830 (output_return_instruction): Likewise.
19831 (output_func_{prologue,epilogue}): Likewise.
19832 (output_expand_prologue): Likewise.
19834 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
19835 (*strsi_predec): Renamed from *strqi_predec.
19836 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
19837 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
19839 * arm.c (arm_override_options): Remove warning about PIC code
19840 not being supported.
19842 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
19844 * rs6000.c (find_addr_reg): New function.
19845 * rs6000.h (find_addr_reg): Declare.
19846 (offsettable_addr_operand): Delete.
19847 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
19848 from and stores to GPRs.
19850 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
19852 * alpha.c (alpha_expand_block_move): Use get_insns rather than
19853 gen_sequence as argument to emit_no_conflict_block.
19855 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19857 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
19858 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
19859 *fixinc/fixincl.x: regen
19860 *fixinc/inclhack.sh: regen
19862 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
19864 * added support for -mpcrel (PC relative addressing for m68k)
19865 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
19866 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
19867 * m68k.c (print_operand_address): Handle 32-bit PIC case.
19868 (comments for general_src_operand): Add some explanation
19869 about EXTRA_CONSTRAINTS.
19870 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
19871 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
19872 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
19873 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
19874 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
19875 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
19876 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
19877 if not already set.
19878 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
19879 * m68k.h (TARGET_PCREL): New target flag.
19880 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
19881 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
19882 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
19883 contains a SYMBOL_REF. Relax this constraint during reload, since
19884 we want to use the predicates, not reload's built-in concept of a
19885 valid memory address, to control what insns need reloading.
19886 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
19887 operands (essentially 'g', 'm', and 's' under normal circumstances).
19888 * m68k.c (print_operand): Cause printing of pc-relative addresses
19889 to include pc register.
19890 (print_operand_address): Ditto.
19891 (general_src_operand): Accept operands that are not only
19892 general_operands, but are also valid when used as a pc-relative
19894 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
19895 (memory_src_operand): Similar, for memory_operands.
19896 (pcrel_address): New predicate to accept the special case of a
19897 pc-relative address.
19898 * m68k.md (many patterns): Rewrite common SImode, HImode, and
19899 QImode insns to accept *_src_operand instead of *_operand where
19900 pc-relative operands can fit. For example, a pc-relative operand
19901 can be used as a memory source operand for addsi3, but not as a
19902 memory destination.
19903 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
19905 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
19907 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
19908 .thumb_set pseudo op to mark aliases of thumb functions.
19910 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
19912 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
19913 preference to ASM_OUTPUT_DEF, if it is defined.
19915 * tm.texi: Document new, optional target macro
19916 ASM_OUTPUT_DEF_FROM_DECLS.
19918 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19920 * fixincludes: ISCNTL patch
19921 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
19922 (dgux_int_varargs): new for DG/UX
19923 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
19925 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
19927 * invoke.texi (ia32 options): Fix typo.
19929 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19931 * loop.c (strength_reduce): When doing biv->giv conversion, update
19932 reg note of NEXT->insn.
19934 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
19936 * loop.c (move_movables): Note issues with replacing REGs with
19938 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
19940 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
19942 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
19944 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
19945 the reference to `mcount' was not correct for the ELF on FreeBSD.
19947 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19949 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
19952 (recombine_givs): Set ix field after sorting.
19954 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
19956 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
19957 to safe to extract a subword out of a REG.
19959 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19961 * sh.md (mulsi3): Don't add a no-op move at the end.
19963 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19965 * cse.c (cse_insn): Don't put hard register source into tables for
19966 the last insn of a libcall.
19968 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19970 * loop.c (strength_reduce): Insert sets of derived givs at every
19971 biv increment, even if it's the only one.
19973 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19975 * dwarfout.c (add_incomplete_type): New fn.
19976 (output_type): Call it.
19977 (retry_incomplete_types): New fn.
19978 (dwarfout_finish): Call it.
19980 From Eric Raskin <ehr@listworks.com>:
19981 (output_type): Output types for bases.
19983 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19985 * mips.c (mips_output_conditional_branch): Add `break'
19986 between `default' label and `close braces'.
19988 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
19990 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
19991 specifications and make it realistic.
19992 (LIB_SPEC): Likewise.
19994 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
19996 * config/mips/mips.c (mips_secondary_reload_class): Check for
19997 (PLUS (SP) (REG)) and return appropriate register class.
19998 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
19999 Handle (PLUS (SP) (REG)).
20000 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
20001 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
20002 of emit_insn for tablejump.
20004 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
20006 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
20007 asm_fprintf format string by itself.
20008 (output_function_profiler): Likewise.
20010 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
20012 * combine.c (simplify_logical, case AND): Only call
20013 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
20014 or the constant is positive.
20016 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
20018 * configure.in: Fix typo in rs6000-ibm-aix4 case.
20019 * configure: Regenerate.
20021 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
20023 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
20024 require a sub-version #.
20025 * configure: Rebuilt.
20027 1999-06-14 Robert Lipe (robertlipe@usa.net)
20029 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
20031 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
20033 * c-typeck.c (process_init_element): Detect excess elements in
20034 char array initializer.
20036 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20038 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
20040 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20042 * invoke.texi (Option Summary): Add -fpermissive flag.
20044 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
20046 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
20047 that require PIC code sequences.
20049 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
20051 * configure.in: Add new target: thumb-elf.
20052 * configure: Regenerate.
20053 * config/arm/t-thumb-elf: New file: Makefile fragment for
20055 * config/arm/telf.h: New file: Header file for thumb-elf
20058 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
20060 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
20061 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
20062 initializers is some circumstances.
20064 * fixinc/inclhack.def (endif_label): Add additional selector for
20065 more bogus stuff after #endif statements.
20066 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
20068 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
20070 * i386/cygwin.h (SET_ASM_OP): Define.
20072 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
20074 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
20076 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20078 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
20081 * sh.md (ic_invalidate_line_i): Remove second alternative.
20083 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20085 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
20086 test for the presence of valid prototypes. Delete bypass expr.
20087 (ioctl_fix_ctrl): Correct the selection expression.
20088 (no_double_slash): Correct quoting rules
20089 *fixinc/fixincl.x: regen
20090 *fixinc/inclhack.sh: regen
20092 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
20094 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
20096 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20098 * rs6000.md (movsi_got_internal_mem): Delete.
20099 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
20100 (GOT_TOC_REGNUM): Delete.
20101 (PIC_OFFSET_TABLE_REGNUM): Define.
20102 (FINALIZE_PIC): Disable.
20103 * rs6000.c (rs6000_got_register): New code for fixed pic register.
20104 (rs6000_replace_regno): Delete.
20105 (rs6000_finalize_pic): Likewise.
20106 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
20108 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20110 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
20111 is a note; use <= for the compare; advance P while it is
20114 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
20116 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
20117 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
20119 * varasm.c (remove_from_pending_weak_list): Verify t->name
20120 is non-NULL before passing it to strcmp.
20122 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20124 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
20125 the typed arguments are not part of a comment
20126 (ioctl_fix_ctrl): Added a purpose comment
20127 *fixinc/fixincl.x: regenerate
20128 *fixinc/inclhack.sh: regenerate
20130 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20132 * invoke.texi: Add C4x invocation docs.
20134 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20136 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
20138 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
20140 (c4x_legitimize_reload_address): New function.
20141 * config/c4x/c4x.md: Update docs.
20143 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
20145 * fixincludes: Avoid removing '.'.
20146 * fixinc/fixinc.svr4: Likewise.
20147 * fixinc/fixinc.winnt: Likewise.
20148 * fixinc/inclhack.tpl: Likewise.
20149 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
20151 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20153 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
20155 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
20157 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
20159 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
20162 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
20164 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
20165 * configure: Regenerate.
20167 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
20169 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
20172 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
20174 * fixinc/inclhack.def (avoid_bool): Also catch
20175 "typedef [unsigned] int bool".
20176 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20178 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
20179 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
20180 * configure: Rebuilt.
20182 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
20184 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
20185 such that we can override its definitions if necessary.
20186 (CPP_SPEC): New define. Support processor specific predefines via
20188 (CC1_SPEC): New define. Support processor specific compiler
20189 options via %(cc1_cpu).
20190 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
20193 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20195 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
20196 between sed's -e flag, and the open-quote following it.
20197 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20199 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
20200 Jeffrey A Law (law@cygnus.com)
20202 * varasm.c (assemble_start_function): Remove the function
20203 from the pending weak decls list when we define a function.
20204 (assemble_variable): Similarly for variables.
20205 (weak_finish): Ignore items on the list with a NULL name.
20206 (remove_from_ending_weak_list); New function to "remove" an item
20207 from the pending weak declarations list.
20209 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20211 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
20213 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
20215 * c-lex.c (GETC): Redefine to call getch.
20216 (UNGETC): Redefine to call put_back.
20217 (putback_buffer): New structure type.
20218 (putback): New static structure.
20219 (getch): New function.
20220 (put_back): New function.
20221 (yylex): Replace unused bytes from bad multibyte character.
20223 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
20225 * cpplib.c (do_define): Cast `alloca' return value.
20226 (do_include, do_undef, do_pragma): Likewise.
20227 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
20229 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
20230 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
20232 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
20234 * sparc.md (abstf2): This should be an expand.
20235 (split after abstf2_notv9): Fix mode.
20236 (abstf2_hq_v9): New pattern.
20237 (abstf2_v9): Only use when no hard quad.
20238 (absdf2_v9): Fix if target is not the same as source.
20239 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
20240 Add correct output constraints.
20242 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
20244 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
20245 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
20247 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
20249 * mips.h (mips_output_conditional_branch): New function.
20250 (mips_adjust_insn_length): Likewise.
20251 (ASSEMBLER_SCRATCH_REGNUM): New macro.
20252 (ADJUST_INSN_LENGTH): Likewise.
20253 * mips.c (print_operand): Add `F' and `W' for floating-point
20254 comparison opcodes.
20255 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
20257 (mips_adjust_insn_length): New function.
20258 (mips_output_conditional_branch): New function.
20259 * mips.md (length): Adjust attribute definition to handle
20260 conditional branches. Change lengths to bytes, rather than
20261 instructions throughout. Remove length attribute from
20262 instructions whose length is four bytes, and rely on the default
20264 (dslot): Fix typo in comment.
20265 Reword conditional branch patterns to use
20266 mips_output_conditional_branch.
20268 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
20270 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
20271 (LIB_SPEC): Likewise.
20272 Link with -lprof1_r for -g/-pg.
20274 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20276 * loop.c (check_dbra_loop): Fix change of Jan 19.
20278 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
20280 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
20281 (STARTFILE_SPEC): Define, override the svr4.h version.
20282 (ENDFILE_SPEC): Likewise.
20284 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
20286 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
20287 * fixinc/fixincl.x: Regenerated.
20288 * fixinc/inclhack.sh: Regenerated.
20290 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20292 * sh.c (barrier_align): Don't return early for normal branch/barrier
20293 when optimizing for SH2.
20295 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
20297 * i386/udk.h (LINK_SPEC): Correct linker search path for
20300 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20302 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
20303 (braf_label_ref_operand): Delete.
20304 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
20305 * sh.md (casesi_jump_2): Operand1 is now the inside of a
20306 label_ref, and has no predicate.
20307 The patten has a predicate to guard against invalid substitutions.
20308 (dummy_jump): Delete.
20309 (casesi): Update use of casesi_jump_2.
20311 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20313 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
20314 *fixinc/fixincl.x: regenerate
20315 *fixinc/inclhack.sh: regenerate
20317 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
20319 * dwarf2out.c (add_incomplete_type): New fn.
20320 (gen_struct_or_union_type_die): Call it.
20321 (retry_incomplete_types): New fn.
20322 (dwarf2out_finish): Call it.
20324 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
20326 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
20327 current block starts with a CODE_LABEL and ends with a CALL and
20328 we can not find all the argument setup instructions for the CALL.
20330 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
20332 Revert this change:
20333 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20334 something is a candidate for optimize_bit_field_compare.
20336 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20338 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
20340 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
20342 * alpha.c (override_options): Thinko in last patch.
20344 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
20345 (LIB_SPEC): Recognize -pthread.
20347 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
20349 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
20350 definition in config/arm/coff.h
20351 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
20353 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20355 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
20356 fixes that need "file=xxx\n" prepended before invocation
20357 (start_fixer - new): starting the fixer process is complex enough
20358 to warrent its own routine. It prepends the "file=xxx\n" stuff.
20359 (process): uses the new routine; omit usage of putenv()
20360 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
20361 * fixinc/fixincl.x: regenerate
20363 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
20365 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
20366 and version #s (1.1 -> 2.96) as needed.
20367 * README.g77: Kill way out of date file in the toplevel directory.
20369 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
20371 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
20372 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
20373 * configure: Rebuilt.
20374 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
20375 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
20376 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
20377 (SWITCH_TAKES_ARG): Likewise.
20378 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
20379 * config/t-freebsd: Moved from config/i386/ so it can used for all
20382 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
20384 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
20386 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
20388 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
20389 * configure: Rebuilt.
20391 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
20393 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
20394 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
20395 * rs6000/rs6000.c (rs6000_file_start): Use putc.
20396 (rs6000_output_load_toc_table): Same.
20397 (output_prolog, output_mi_thunk): Same.
20398 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
20399 (ASM_GLOBALIZE_LABEL): Use putc.
20401 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
20403 * alpha.md (reload_*_help): New patterns and splitters.
20404 (reload_*): Use them.
20405 (mov[qh]i): Likewise.
20407 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
20409 * cccp.c (handle_directive): Handle backslash-newlines in quoted
20412 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
20414 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
20416 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
20418 * flow.c (mark_regs_live_at_end, insn_dead_p,
20419 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
20420 and HARD_FRAME_POINTER_REGNUM special treatment if reload
20421 hasn't run or the frame pointer is needed.
20422 * haifa-sched.c (attach_deaths): Likewise.
20423 * sched.c (attach_deaths): Likewise.
20425 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
20427 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
20428 calculate_can_reach_end returns nonzero.
20430 * configure.in (native gas tests): Search for an assembler in the
20431 same manner that the installed compiler will.
20432 * configure: Rebuilt.
20433 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
20435 * alias.c (find_base_term): Improve handling of addresses
20436 constructed from binary operations.
20438 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
20440 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
20442 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
20444 * function.h (cleanup_label, frame_offset): Declare.
20445 (tail_recursion_label, tail_recursion_reentry): Likewise.
20446 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20447 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
20448 (tail_recursion_label, tail_recursion_reentry): Likewise.
20449 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20451 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
20453 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
20455 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
20456 (MAX_OFILE_ALIGNMENT): Define.
20458 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
20460 * fixincl.c: Replace local include scheme with #includes of
20461 gansidecl.h and system.h.
20462 * procopen.c: Likewise.
20463 * server.c: Likewise.
20465 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
20467 * i386/t-dgux (EXTRA_PARTS): Add crti.o
20468 (crti.o): Add build rule and dependencies.
20469 * fixinc/fixinc.dgux: Use modified _int_varargs.h
20471 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20473 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
20474 (LIB_LINUX_SPEC): Likewise.
20475 (LIB_LINUX_SPEC): Add support for -pthread
20476 (CPP_OS_LINUX_SPEC): Likewise.
20477 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
20480 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
20482 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
20484 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
20485 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
20486 for IEEE math and CC_FCOMI.
20487 (put_jump_code): No IEEE if CC_FCOMI is set.
20489 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20491 * fold-const.c (fold_truthop): Make the field reference unsigned
20492 when converting a single bit compare.
20494 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20496 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
20498 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
20500 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
20501 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
20504 * reload.c (push_reload): Do not call remove_address_replacements
20505 when presented with identical optional reloads.
20507 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
20509 * alpha.h (MASK_FIX, TARGET_FIX): New.
20510 (MASK_*): Reorganize constants.
20511 (CPP_AM_FIX_SPEC): New.
20512 (TARGET_SWITCHES): Add FIX.
20513 (EXTRA_SPECS): Likewise.
20514 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
20515 (SECONDARY_MEMORY_NEEDED): Likewise.
20516 (REGISTER_MOVE_COST): Likewise.
20517 * alpha.c (override_options): Add FIX support. Always use
20518 ALPHA_TP_PROG for ev6.
20519 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
20520 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
20521 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
20523 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
20525 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20526 something is a candidate for optimize_bit_field_compare.
20528 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
20530 * gcc.texi (Passes): Document branch-shortening.
20531 * invoke.texi (Debugging Options): Document the fact that `-dp'
20532 outputs length information for instructions.
20534 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
20536 * flow.c: Revert previous delta.
20538 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
20540 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
20541 FRAME_POINTER_REGNUM.
20542 (mark_set_1): Ditto.
20543 (mark_used_regs): Ditto.
20545 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
20547 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
20548 (GOT_PCREL): New macro. Define to 1 if not already defined.
20549 * arm/elf.h (GOT_PCREL): Define to 0.
20550 * arm.c (arm_finalize_pic): Take into account the setting of
20553 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
20555 * output.h (STRIP_NAME_ENCODING): Provide default definition.
20556 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
20558 * flow.c (mark_set_1): Do not record BLKmode stores as dead
20559 store elimination candidates.
20561 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
20563 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
20566 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
20568 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
20569 Add use of x-aix41-gld.
20571 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
20573 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
20574 (ASM_OUTPUT_DESTRUCTOR): Define.
20576 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
20578 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
20579 last CODE_LABEL in a loop if we have previously passed a jump
20580 to the top of the loop.
20582 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
20584 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
20585 applying Philip's patch.
20587 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
20589 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
20592 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
20594 * loop.c (strength_reduce): Grow reg_single_usage as needed.
20596 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
20598 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
20599 Also remove a useless comment.
20601 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20603 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
20605 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
20607 * collect2.c (main): Only generate import or export file and add
20608 to link arguments if non-empty. Use xmalloc not alloca.
20609 (write_{export,import}_file): Delete.
20610 (write_aix_file): New function.
20611 (locatelib): Use xmalloc not malloc.
20612 (GCC_OK_SYMBOL): Do not check type if aix64.
20614 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
20616 Based on patch by Scott Bambrough and Pat Beirne:
20617 * config/arm/arm.c (making_const_table): New variable.
20618 * config/arm/arm.h (making_const_table): Declare.
20619 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
20621 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
20622 Keep track of when we are building the constant table.
20624 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
20626 * config/arm/arm.c (arm_override_options): Fix erroneous warning
20629 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
20631 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
20634 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
20636 * tm.texi (FUNCTION_ARG): Correct description of a stack element
20639 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
20641 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
20643 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20645 * rs6000.c (output_mi_thunk): Enable full support again.
20647 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20649 * sh.h (BRANCH_COST): Define.
20651 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
20653 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
20655 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
20657 * function.c (assign_stack_local): Align stack slot propertly.
20658 (assign_outer_stack_local): Likewise.
20660 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
20662 * expr.h (lang_expand_constant): Declare.
20663 * toplev.c (lang_expand_constant): Define it.
20664 * varasm.c (output_constant): Use it.
20666 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20668 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
20669 Change function definitions to K&R style.
20671 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20673 * fixinc/fixincl.c: We must not ignore SIGCLD now.
20675 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
20677 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
20678 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
20679 (several places): omit static initialization
20680 (process): use single fd, since only the read fd is used
20681 * fixinc/gnu-regex.c: define 'const' away, if not supported
20682 * fixinc/procopen.c(several places): omit static initialization
20683 * fixinc/server.c: define 'volitile' away, if not supported
20685 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20687 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
20688 asm_fprintf and %L to generate the label name.
20689 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
20690 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
20692 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
20694 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
20695 insn for a conditional jump can not be found.
20697 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
20699 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
20700 on variables in specific sections other than .sbss and .sdata.
20702 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
20704 * stmt.c (expand_return): Call start_cleanup_deferral and
20705 end_cleanup_deferral around conditional code.
20707 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20709 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
20710 filename lists. Utilizes new "krstr" AutoGen function.
20711 * fixinc/fixincl.x: Rebuilt.
20713 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
20715 * i386.c (output_float_compare): Avoid GNU-C extensions.
20717 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
20719 * version.c: Bump to distinguish mainline tree from the
20722 See ChangeLog.1 for earlier changes.