1 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
3 * cppfiles.c (find_include_file): Don't assume nshort is a
6 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
8 * configure.in (hppa configurations): Add pa32-regs.h to the
9 list of tm files as appropriate.
11 * pa.c (compute_frame_size): Remove explicit knowledge about FP
13 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
14 (fmpyaddoperands, fmpysuboperands): Likewise.
15 * pa.h: Remove various definitions which depend on knowing
16 how registers are numbered.
17 * pa32-regs.h: New file with PA32 register numbering specific
20 2000-03-14 Richard Henderson <rth@cygnus.com>
22 * regmove.c (combine_stack_adjustments): New.
23 (stack_memref_p, single_set_for_csa): New.
24 (free_csa_memlist, record_one_stack_memref): New.
25 (try_apply_stack_adjustment): New.
26 (combine_stack_adjustments_for_block): New.
27 * rtl.h (combine_stack_adjustments): Declare.
28 * toplev.c (rest_of_compilation): Call it.
30 * i386.md: Revert 2000-01-16 change.
32 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
34 * gccbug.in: Add web category, gcc specific classes.
36 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
38 * stor-layout.c (finalize_record_size): Fix typo.
40 2000-03-14 Stan Shebs <shebs@apple.com>
42 * c-typeck.c (c_alignof): Error on incomplete types.
43 * extend.texi (Alignment): Document this.
45 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
47 * cppfiles.c: Include mkdeps.h.
48 (find_include_file, read_include_file): Remove _cpp_ prefix
49 from name, make static.
50 (_cpp_execute_include): New function, broken out of
53 * cpplib.c: Don't include mkdeps.h.
54 (struct directive): Remove type field. Reorder entries. The
55 function takes only one argument.
56 (struct if_stack): Make type field an int.
57 (directive_table): Rename to dtable. Generate it, the
58 prototypes of the directive handlers, and the enum for the
59 directive numbers, from a template macro.
60 (do_ifndef, do_include_next, do_import): New functions.
61 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
62 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
63 do_ident, do_assert, do_unassert, do_sccs): Take only one
65 (do_sccs): Define always, but alter behavior based on
67 (_cpp_handle_directive, consider_directive_while_skipping):
68 Restructure for new directive table layout.
70 (pass_thru_directive): Take a directive number, not a pointer
71 to a struct directive.
72 (parse_include): New function, broken out of do_include.
73 (do_include, do_import, do_include_next): Use parse_include
74 and _cpp_execute_include.
75 (do_elif, do_else): Test for T_ELSE specifically when checking
76 for #elif/#else after #else.
77 (parse_ifdef): New function, broken out of do_ifdef.
78 (validate_else): Expect a name arg without a leading #.
79 (if_directive_name): Delete.
80 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
81 directive handlers with only one argument.
83 * cpphash.h: Update prototypes.
84 (enum node_type): Remove entries for directives.
85 * Makefile.in: Update dependencies.
87 * cpphash.c (dump_hash_helper): Only dump nodes of type
88 T_MACRO. Emit a newline after each definition.
90 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
92 * gccbug.in: New file.
93 * configure.in (all_outputs): Add gccbug.
94 * Makefile.in (install-common): Install gccbug.
95 (GCCBUG_INSTALL_NAME): New variable.
98 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
100 * function.c (put_var_into_stack): Use type_for_mode to calculate
101 part_type. Use MEM_SET_IN_STRUCT_P.
102 * expr.c (store_field): Handle CONCAT.
103 (store_constructor): Use fields_length.
104 * tree.c (fields_length): New fn.
105 * tree.h: Declare it.
107 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
109 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
110 (cpplex.o): New target.
111 * po/POTFILES.in: Add cpplex.c.
113 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
114 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
115 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
116 skip_block_comment, skip_line_comment, skip_comment,
117 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
118 _cpp_parse_name, skip_string, parse_string,
119 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
120 _cpp_get_directive_token, find_position,
121 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
122 (maybe_macroexpand, _cpp_lex_token): New functions.
124 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
125 parse_goto_mark): Delete.
126 (_cpp_handle_eof): New function.
127 (_cpp_handle_directive): Rename from handle_directive.
128 (_cpp_output_line_command): Rename from output_line_command.
129 (do_if, do_elif): Call _cpp_parse_expr directly.
130 * cppfiles.c (_cpp_read_include_file): Don't call
131 init_input_buffer here.
132 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
133 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
134 here; pop the token_buffer and skip the rest of the line here.
135 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
138 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
140 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
141 CPP_GOTO_MARK): New macros.
142 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
143 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
144 _cpp_read_and_prescan, _cpp_init_input_buffer,
145 _cpp_grow_token_buffer, _cpp_get_directive_token,
146 _cpp_handle_directive, _cpp_handle_eof,
147 _cpp_output_line_command): Prototype them here.
148 * cpplib.h (enum cpp_token): Add CPP_MACRO.
149 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
150 quote_string, output_line_command): Remove.
152 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
154 * stmt.c (expand_end_case): RANGE may be signed, and when checking
155 whether it is too large we must also verify that it isn't negative.
157 2000-03-13 Jakub Jelinek <jakub@redhat.com>
159 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
160 (movsi_zero_liveg0): Remove.
161 (movsf_insn_novis_liveg0): Remove.
163 (negsi2_not_liveg0): Rename to negsi2.
164 (one_cmplsi2): Remove.
165 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
166 (one_cmplsi2_liveg0): Remove.
167 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
168 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
169 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
170 (PREDICATE_CODES): Remove zero_operand.
171 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
172 TARGET_BROKEN_SAVERESTORE.
173 (zero_operand): Remove.
174 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
175 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
177 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
178 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
179 TARGET_BROKEN_SAVERESTORE): Remove.
180 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
182 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
184 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
187 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
189 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
191 * cpplib.c (do_pragma_implementation): Fix off-by-one error
192 truncating a string. Don't assume tokens are nul terminated.
193 Problem noted by Andreas Jaeger <aj@suse.de>
195 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
197 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
198 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
199 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
201 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
203 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
204 STRUCTURE_SIZE_BOUNDARY.
206 2000-03-13 Mark Mitchell <mark@codesourcery.com>
208 * tree.h (record_layout_info_s): New structure.
209 (record_layout_info): New type.
210 (new_record_layout_info): New function.
211 (layout_field): Likewise.
212 (finish_record_layout): Likewise.
213 * stor-layout.c (layout_record): Remove.
214 (new_record_layout_info): New function.
215 (layout_field): New function, broken out from layout_record.
216 (finalize_record_size): Likewise.
217 (compute_record_mode): Likewise.
218 (finalize_type_size): New function, broken out from layout_type.
219 (finish_record_layout): Likewise.
220 (layout_type): Use them.
222 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
224 * cpphash.c: Don't include version.h.
225 (special_symbol) [case T_VERSION]: Look for the string in
226 hp->value.cpval; don't use version_string.
227 * cppinit.c (initialize_builtins): Set hp->value.cpval for
228 __VERSION__ to version_string.
229 * Makefile.in (cpphash.o): Update deps.
231 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
233 Convert cpplib to use libiberty/hashtab.c.
235 * cpplib.h (struct cpp_reader): Make hashtab and
236 all_include_files of type 'struct htab *'. Delete HASHSIZE
237 and ALL_INCLUDE_HASHSIZE macros.
239 * cpphash.h: Update prototypes.
240 (struct hashnode): Remove next, prev, and bucket_hdr members.
241 Make length a size_t. Add hash member.
242 (struct ihash): Remove next member. Add hash member. Make
243 name a flexible array member.
245 * cppfiles.c: Include hashtab.h.
246 (include_hash): Delete.
247 (IHASHSIZE): New macro.
248 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
249 (cpp_included): Do the hash lookup here.
250 (_cpp_find_include_file): Rewrite.
251 (cpp_read_file): Put the "fake" hash entry into the hash
252 table. Honor the control_macro, if it turns out we've seen
253 the file before. Don't push the buffer here.
254 (_cpp_read_include_file): Push the buffer here.
255 (OMODES): New macro. Use it whenever we call open(2).
257 * cpphash.c: Include hashtab.h.
258 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
259 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
260 _cpp_lookup_slot): New functions.
261 (HASHSIZE): new macro.
262 (hashf, _cpp_install, _cpp_delete_macro): Delete.
263 (_cpp_lookup): Use hashtab.h routines.
265 * cppinit.c: Include hashtab.h.
266 (cpp_reader_init): Call _cpp_init_macro_hash and
267 _cpp_init_include_hash. Don't allocate hashtab directly.
268 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
269 pfile->all_include_files.
270 (initialize_builtins): Use _cpp_make_hashnode and
271 htab_find_slot to add hash entries.
272 (cpp_finish): Just call _cpp_dump_macro_hash.
273 * cpplib.c: Include hashtab.h.
274 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
276 (do_pragma_poison, do_assert): Likewise.
277 (do_include): Don't push the buffer here. Don't increment
278 system_include_depth unless _cpp_read_include_file succeeds.
279 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
281 (do_pragma_implementation): Use alloca to create copy.
283 * Makefile.in: Update dependencies.
285 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
287 * cppinit.c (cl_directive_handler): More K&R fixing.
289 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
291 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
293 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
295 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
297 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
298 Change from char[] to macros.
300 2000-03-12 Neil Booth <NeilB@earthling.net>
302 * cppinit.c (cpp_start_read): Update indirect function
305 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
307 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
310 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
311 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
313 2000-03-11 Neil Booth <NeilB@earthling.net>
315 * cppinit.c (struct pending option): Replace undef with a
316 pointer to a directive handling routine.
317 (struct cpp_pending): Replace separate assert_ and define_
318 lists with one directive_ list.
319 (new_pending_define): Rename new_pending_directive. Extra
320 argument is the directive's handling routine.
321 (handle_option): Update to use new_pending_directive.
323 2000-03-11 Neil Booth <NeilB@earthling.net>
325 * cppfiles.c (file_cleanup, _cpp_find_include_file,
326 remap_filename, _cpp_read_include_file, actual_directory,
327 hack_vms_include_specification): Replace bcopy(), index() etc
328 calls. Add casts to some allocations. Make some variables
329 pointers to const [unsigned] char.
330 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
331 collect_formal_parameters): Similarly.
332 * cppinit.c (struct pending_option, append_include_chain,
333 cpp_options_init, cpp_reader_init, initialize_standard_includes,
334 cpp_start_read, new_pending_define, handle_option): Similarly.
335 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
336 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
337 do_pragma_implementation, detect_if_not_defined,
338 do_ifdef, skip_if_group, cpp_get_token, parse_string,
339 do_assert, do_unassert): Similarly.
340 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
342 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
344 2000-03-10 Richard Henderson <rth@cygnus.com>
346 * builtins.c (expand_builtin_strlen): Revert last change.
347 Use emit_insn_before if we're at the beginning of a sequence.
349 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
351 * builtins.c (expand_builtin_strlen): Make sure that we have something
352 at the beginning of the sequence.
354 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
357 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
359 2000-03-10 Richard Henderson <rth@cygnus.com>
361 * except.c (can_throw): Use INTVAL on a CONST_INT.
362 (reachable_handlers): Likewise.
363 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
365 2000-03-10 Andreas Jaeger <aj@suse.de>
367 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
368 MD_STARTFILE_PREFIX since those are not needed on linux.
369 (ASM_FILE_START): New, from mips/gnu.h.
371 2000-03-09 Richard Henderson <rth@cygnus.com>
372 Alex Samuel <samuel@codesourcery.com> and others
374 * Makefile.in (ssa.o): New rule.
376 (STAGESTUFF): Add *.ssa and *.ussa.
377 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
378 * rtl.def (PHI): New RTL expression.
379 * rtl.h (clear_log_links): New declaration.
380 (convert_to_ssa): Likewise.
381 (convert_from_ssa): Likewise.
382 * flow.c (split_edge): If the entry node falls through to the
383 split edge's source block, split the entry edge.
384 (clear_log_links): New function.
385 * toplev.c (ssa_dump): New variable.
386 (flag_ssa): Likewise.
387 (f_options): Add "ssa".
388 (compile_file): Create SSA dump files.
389 (rest_of_compilation): Go to and from SSA if enabled.
390 (decide_d_option): Handle -de for SSA dump files.
393 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
395 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
398 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
400 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
402 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
404 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
405 (MD_STARTFILE_PREFIX_1): New macro.
407 2000-03-09 Robert Lipe <robertl@sco.com>
409 * config/ia64/ia64.c: Include system.h.
411 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
413 * except.c (nothrow_function_p): If -fno-exceptions, just return.
414 (init_eh_nesting_info): Likewise.
416 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
417 (TREE_NOTHROW): Rename from TREE_RAISES.
418 * toplev.c (rest_of_compilation): Set it.
419 * print-tree.c (print_node): Adjust.
420 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
421 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
422 * calls.c (emit_call_1): Add 'nothrow' parm. Add
423 REG_EH_REGION note as appropriate.
424 (libfunc_nothrow): New fn.
425 (emit_library_call, emit_library_call_value): Use it.
426 (expand_call): Check TREE_NOTHROW.
428 * varasm.c (make_decl_rtl): Skip initial '*' when setting
431 2000-03-09 Andreas Jaeger <aj@suse.de>
433 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
434 (TARGET_MEM_FUNCTIONS): Define.
436 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
438 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
440 * except.c (can_throw): See through a SEQUENCE.
441 (nothrow_function_p): New fn.
442 * except.h: Declare it.
443 * function.c (current_function_nothrow): New var.
444 (prepare_function_start): Initialize it.
445 * output.h: Declare it.
446 * toplev.c (rest_of_compilation): Set it.
447 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
449 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
451 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
452 match. (cpp_compare_defs): Count the nul separator when
453 advancing over argument names.
455 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
457 * recog.c (preprocess_constraints): Matching constraints affect
458 same alternative/different operand, not same operand/different
461 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
462 register and a constant specially.
464 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
466 * libgcc2.h: New file.
467 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
469 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
471 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
472 * configure: Regenerate.
475 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
477 * Makefile.in (LIBCPP_DEPS): New macro.
478 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
480 * cpperror.c: Include cpphash.h.
481 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
483 (lex): Don't use CPP_WARN_UNDEF.
484 (_cpp_parse_expr): Return an int, the truth value.
485 * cppfiles.c: Include cpphash.h.
486 (_cpp_merge_include_chains): Move to cppinit.c and make static.
487 * cppinit.c (include_defaults_array): Disentangle.
488 (cpp_cleanup): Don't free the if stack here.
489 (cpp_finish): Pop off all buffers, not just one.
490 * cpplib.c (eval_if_expr): Return int.
491 (do_xifdef): Rename do_ifdef.
492 (handle_directive): Don't use CPP_PREPROCESSED.
493 (cpp_get_token): Don't use CPP_C89.
494 * fix-header.c: Don't use CPP_OPTIONS.
496 * cpplib.h: Move U_CHAR, enum node_type, struct
497 file_name_list, struct ihash, is_idchar, is_idstart,
498 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
499 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
500 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
501 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
502 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
503 of _cpp_simplify_pathname, _cpp_find_include_file,
504 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
505 Move struct if_stack to cpplib.c. Move struct cpp_pending to
507 Change all uses of U_CHAR to be unsigned char instead.
508 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
510 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
512 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
513 (dwarf2out_begin_prologue): Set it.
514 (output_call_frame_info): Don't emit EH unwind info for leaves.
516 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
517 can occur outside of an EH region.
518 * except.c: Correct comments about rethrow behavior.
519 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
521 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
523 * flow.c (make_edges): Always call make_eh_edge for calls.
525 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
527 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
528 (struct cpp_buffer): Remove fname and underflow fields.
529 (struct cpp_reader): Remove get_token field.
530 (struct include_hash): Rename to struct ihash. Add typedef to
532 (struct if_stack): Remove fname field.
533 (IF_STACK_FRAME): Rename to IF_STACK.
535 * cpperror.c (print_containing_files): Trust that there are no
536 macro buffers below the top file buffer.
537 * cppfiles.c: Replace all references to 'struct include_hash'
538 with 'IHASH'. Rename initialize_input_buffer to
539 init_input_buffer. Don't set or reference cpp_buffer->fname,
540 use buffer->ihash->name instead.
541 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
543 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
544 IF_STACK_FRAME, IHASH not struct include_hash.
545 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
546 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
547 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
548 references to cpp_buffer->fname (delete entirely, or use
549 ->ihash->name instead) and IF_STACK->fname.
550 (cpp_push_buffer): Don't set new->underflow.
551 (do_include): Use cpp_file_buffer.
553 * cpphash.c (collect_formal_parameters): Remove duplicate
554 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
555 used as a macro argument name. Don't append "..." to namebuf
556 for varargs macros. After we're done scanning, go through
557 namebuf and make it NUL separated, not comma separated.
558 (_cpp_compare_defs): Remove register tag from variables.
559 Expect defn->argnames to be NUL separated.
560 (_cpp_dump_definition): Expect defn->argnames to be NUL
561 separated and in forward order.
562 * cpphash.h: Update documentation of argnames field.
564 2000-03-08 Richard Henderson <rth@cygnus.com>
566 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
567 to fail. Don't pre-expand the source operand.
569 * i386.md (strlensi): Initialize eoschar and align before use.
571 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
573 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
576 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
578 * mips.c (mips_expand_prologue): If the last
579 named argument is the vararg marker "va_list", treat it as
582 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
584 * dbxout.c (dbxout_parms): When correcting for promoted
585 big-endian parameters, use the mode of the DECL_RTL rather
588 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
590 * c-common.h (make_fname_decl): Declare.
591 * c-common.c (make_fname_decl): Define.
592 (declare_hidden_char_array): Remove.
593 (declare_function_name): Use make_fname_decl.
594 * c-decl.c (c_make_fname_decl): New function.
595 (init_decl_processing): Set make_fname_decl.
597 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
599 * cccp.c (handle_directive): Initialize backslash_newlines_p.
601 2000-03-07 Philipp Thomas <pthomas@suse.de>
603 * po/POTFILES.in: Remove cppalloc.c from file list.
605 2000-03-07 Steve Chamberlain <sac@pobox.com>
607 * pj.c (pj_expand_prologue): current_function->args_info is
608 now current_function_args_info.
610 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
611 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
612 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
614 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
616 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
617 output as hexadecimal rather than the default octal.
619 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
621 * cpphash.c (special_symbol): Fix thinko in previous commit.
623 2000-03-07 Neil Booth <NeilB@earthling.net>
625 * cppexp.c (struct operation, left_shift, right_shift,
626 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
627 "int"s to "unsigned int"s.
628 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
630 * cpplib.h: Update for above.
631 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
632 returned from allocations.
634 * cppinit.c (opt_comp, parse_options): New functions.
635 (handle_option): Use parse_option to parse a single command
636 line option, that possibly takes an argument.
637 (cpp_handle_options): Sort the array of command line options on
638 first invocation (non-ASCII hosts only).
639 (print_help): Update.
641 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
643 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
644 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
646 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
648 * cppinit.c (cpp_cleanup): Free imp->nshort also.
650 * cpperror.c (cpp_print_containing_files,
651 cpp_print_file_and_line, v_cpp_message): Rename to
652 print_containing_files, print_file_and_line, and v_message.
653 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
654 to _cpp_parse_expr, parse_escape, and lex.
655 (parse_charconst): Remove broken multibyte support.
656 * cppfiles.c (include_hash): Make static.
657 (cpp_included): New function.
658 (merge_include_chains, find_include_file, finclude,
659 simplify_pathname): Rename to _cpp_merge_include_chains,
660 _cpp_find_include_file, _cpp_read_include_file, and
661 _cpp_simplify_pathname.
662 * cpphash.c (cpp_lookup, free_definition, delete_macro,
663 cpp_install, create_definition, macroexpand, compare_defs,
664 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
665 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
666 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
667 * cppinit.c (cpp_handle_option): Rename to handle_option, make
669 * cpplib.c: Remove extern prototype of cpp_parse_expr.
671 * cpphash.h: Update prototypes.
672 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
674 2000-03-07 Andrew Haley <aph@cygnus.com>
676 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
677 PTRDIFF_TYPE should be based solely on Pmode.
680 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
682 * rtl.h (rtunion_def): Constify member `rtstr'.
683 (emit_line_note_after, emit_line_note, emit_line_note_force,
684 emit_note, decode_asm_operands): Constify.
686 * cse.c (canon_hash): Likewise.
688 * dbxout.c (dbxout_block): Likewise.
690 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
691 v_warning_for_asm): Likewise.
693 * dwarfout.c (function_start_label): Likewise.
695 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
696 emit_line_note_force): Likewise.
698 * final.c (last_filename, asm_insn_count, final_scan_insn,
699 output_source_line): Likewise.
701 * function.h (struct emit_status): Likewise.
703 * gcse.c (hash_expr_1): Likewise.
705 * genattr.c (gen_attr, main): Likewise.
707 * genattrtab.c (struct function_unit, current_alternative_string,
708 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
709 attr_numeral, check_attr_test, check_attr_value,
710 convert_set_attr_alternative, convert_set_attr,
711 compute_alternative_mask, simplify_by_exploding, gen_attr,
714 * genflags.c (gen_insn): Likewise.
716 * gengenrtl.c (type_from_format): Likewise.
718 * genopinit.c (gen_insn): Likewise.
720 * genoutput.c (n_occurrences, process_template, process_template):
723 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
726 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
729 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
730 ggc_set_mark, ggc_get_size): Likewise.
732 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
734 * optabs.c (init_one_libfunc): Likewise.
736 * output.h (assemble_start_function): Likewise.
738 * recog.c (decode_asm_operands): Likewise.
740 * toplev.c (rest_of_compilation): Likewise.
742 * tree.h (emit_line_note_after, emit_line_note,
743 emit_line_note_force): Likewise.
745 * varasm.c (asm_output_bss, asm_output_aligned_bss,
746 asm_emit_uninitialised, assemble_start_function,
747 assemble_variable, const_hash, compare_constant_1,
748 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
750 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
752 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
754 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
756 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
758 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
759 arm_dllimport_name_p): Likewise.
761 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
764 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
766 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
768 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
769 arm_mark_dllexport, arm_mark_dllimport,
770 arm_pe_encode_section_info): Likewise.
772 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
773 ASM_FINISH_DECLARE_OBJECT): Likewise.
775 * arm/thumb.c (thumb_function_prologue): Likewise.
777 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
779 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
781 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
783 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
785 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
787 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
789 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
790 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
792 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
794 * i386/i386.c (asm_output_function_prefix): Likewise.
796 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
798 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
800 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
802 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
803 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
804 ASM_OUTPUT_SECTION_NAME): Likewise.
806 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
808 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
810 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
812 * m32r/m32r.c (m32r_encode_section_info): Likewise.
814 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
816 * mcore/mcore.c (mcore_encode_section_info): Likewise.
818 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
820 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
822 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
824 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
826 * mips/mips.md (movdi, movsi): Likewise.
828 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
830 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
832 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
834 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
835 ASM_OUTPUT_ASCII): Likewise.
837 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
838 output_mi_thunk, output_toc): Likewise.
840 * rs6000/rs6000.md (movsi): Likewise.
842 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
844 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
846 * v850/v850.c (print_operand, print_operand_address,
847 v850_encode_data_area): Likewise.
849 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
851 * config/mips/mips.md (zero_extendsidi2): Always force operand
852 one to memory for mips16.
854 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
856 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
857 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
858 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
859 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
860 (min_precision): Result is unsigned.
861 (add_double, neg_double, mul_double): Low word is unsigned.
862 (lshift_double, rshift_double, lrotate_double): Likewise.
863 (rrotate_double, div_and_round_double): Likewise.
864 (tree_floor_log2, compare_tree_int): New functions.
865 (preserve_rtl_expr_temps): New declaration.
866 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
867 (decl_attributes): Use tree_log2 to find alignment.
868 Check for TREE_INT_CST_HIGH for format args.
869 (min_precision): Now unsigned.
871 (truthvalue_conversion): Delete long-disabled code.
872 * c-decl.c (finish_struct): Clean up tests on field width.
873 (finish_function): Use compare_tree_int.
874 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
875 * c-typeck.c (comptypes): Use tree_int_cst_equal.
876 (default_conversion, digest_init): Use compare_tree_int.
877 (build_binary_op): Use integer_all_onesp and compare_tree_int.
878 Fix type errors in forming masks.
879 * calls.c (initialize_argument_information): Use compare_tree_int.
880 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
881 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
882 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
883 (store_field): Use compare_tree_int.
884 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
885 (expand_expr, case ARRAY_REF): Use compare_tree_int.
886 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
887 (do_store_flag): Use compare_tree_int.
888 * fold-const.c (encode, decode): Low part is always unsigned.
889 (force_fit_type, add_double, neg_double, mul_double): Likewise.
890 (lshift_double, rshift_double, lrotate_double): Likewise.
891 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
892 (fold_convert): Use compare_tree_int.
893 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
894 (invert_truthvalue, case INTEGER_CST): Likewise.
895 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
896 * mkdeps.c (deps_dummy_targets): Make I unsigned.
897 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
898 (lshift_double, rshift_double, lrotate_double, rrotate_double):
900 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
901 (expand_end_case): Use compare_tree_int.
902 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
903 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
904 (layout_decl): Likewise.
905 (layout_record, layout_union): Make sizes unsigned.
906 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
907 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
908 * tree.c (struct type_hash): hashcode is unsigned.
909 (build_type_attribute_variant, type_hash_list): Likewise.
910 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
911 (attribute_hash_list, build_array_type, build_method_type): Likewise.
912 (build_complex_type): Likewise.
913 (real_value_from_int_cst): Remove unneeded casts.
914 (integer_all_onesp): Add casts.
915 (tree_floor_log2, compare_tree_int): New functions.
916 (build_index_type): Use tree_int_cst_sgn.
917 * varasm.c (assemble_variable): Use compare_tree_int.
919 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
921 * cpphash.c (collect_expansion): Also catch ## at start of macro.
923 * varasm.c (make_decl_rtl): Don't add a number to members of
925 (make_function_rtl): Likewise.
927 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
929 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
930 patch from 2000-01-28.
932 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
934 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
935 filled with an insn from the jump target.
937 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
939 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
940 (c4x_external_ref): Likewise.
941 * config/c4x/c4x.c (struct name_list): Likewise.
943 1999-12-16 Ben Collins <bcollins@debian.org>
945 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
946 argument to genmultilib.
947 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
948 the contents into the multilib.h header.
949 * gcc.c: Declare multilib_exclusions for the specs file.
950 (set_multilib_dir): Use it.
951 (print_multilib_info): Likewise.
952 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
953 to pass to genmultilib.
955 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
957 * builtins.c (built_in_class_names, built_in_names): Constify a
960 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
962 (_mcleanup): Ensure value matches format specifier in sprintf.
964 * cpphash.c (special_symbol): Don't needlessly cast away
967 * cppinit.c (base_name): Delete unused prototype.
969 * mkdeps.c (deps_init): Make definition K&R safe.
971 * tree.h (built_in_class_names, built_in_names): Constify a
974 2000-03-06 Jakub Jelinek <jakub@redhat.com>
976 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
977 floating point instructions for epilogue delay.
979 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
980 to gas if it supports .register pseudo.
982 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
983 LONG_DOUBLE_TYPE_SIZE if not defined.
984 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
985 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
987 * gengenrtl.c: Likewise.
988 * print-rtl.c: Likewise.
990 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
991 MASK_LONG_DOUBLE_128.
992 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
993 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
994 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
995 (SUBTARGET_SWITCHES): Define.
996 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
997 with -mlong-double-128.
998 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
999 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1000 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1001 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
1002 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
1003 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
1004 with -mlong-double-128.
1005 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1006 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1007 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1008 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
1009 TARGET_LONG_DOUBLE_128): Define.
1010 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
1011 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
1012 long double on TARGET_ARCH64.
1014 2000-03-06 Mark Mitchell <mark@codesourcery.com>
1016 * function.c (free_temps_for_rtl_expr): Don't free slots
1017 that have been pushed into a higher level.
1020 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1022 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1024 * basic-block.h (ALLOCA_REG_SET): Remove.
1025 (INITIALIZE_REG_SET): New macro.
1026 * flow.c (update_life_info): Use it.
1027 (calculate_global_regs_live): Likewise.
1028 (propagate_block): Likewise.
1029 * global.c (build_insn_chain): Likewise.
1030 * haifa-sched.c (schedule_region): Likewise.
1032 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
1034 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
1035 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
1036 (DWARF_ARANGES_PAD_SIZE): New define.
1037 (output_aranges): Use it to pad the address range header.
1038 (DWARF_ROUND): Fix for non power of 2 rounding.
1040 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
1042 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
1044 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1046 * tree.def (RTL_EXPR): Update documentation.
1047 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
1048 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
1049 * function.c (preserve_rtl_expr_temp): New function.
1050 (preserve_rtl_expr_temps): Likewise.
1051 (preserve_rtl_expr_result): Use it.
1054 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1056 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
1058 * regmove.c (copy_src_to_dest) Do not create src->dest move
1059 for unchanging destination.
1061 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1063 * function.h (struct sequence_stack): Remove rtl_expr.
1064 (struct emit_staus): Likewise.
1065 (seq_rtl_expr): Remove.
1066 * tree.h (free_temps_for_rtl_expr): Don't declare.
1067 (start_sequence_for_rtl_expr): Likewise.
1068 * rtl.h (preserve_rtl_expr_result): Likewise.
1069 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
1070 (start_sequence_for_rtl_expr): Remove.
1071 (push_topmost_sequence): Don't save sequence_rtl_expr.
1072 (pop_topmost_sequence): Remove comment about not restoring it.
1073 (end_sequence): Don't set seq_rtl_expr.
1074 (init_emit): Don't initialize it.
1075 (mark_sequence_stack): Don't mark it.
1076 (mark_emit_status): Likewise.
1077 * except.c (protect_with_terminate): Use
1078 start_sequence_for_rtl_expr, not start_sequence.
1079 * expr.c (expand_expr, case RTL_EXPR): Don't call
1080 preserve_rtl_expr_result or free_temps_for_rtl_expr.
1081 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
1082 (preserve_rtl_expr_result): Remove.
1083 (free_temps_for_rtl_expr): Likewise.
1084 (pop_temp_slots): Likewise.
1085 (mark_temp_slot): Don't mark the rtl_expr.
1086 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
1087 start_sequence_for_rtl_expr.
1089 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
1091 * mkdeps.c, mkdeps.h: New files.
1092 * po/POTFILES.in: Add them.
1093 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
1094 (cpplib.o, cppinit.o): Depend on mkdeps.h.
1095 (mkdeps.o): New target.
1097 * cppfiles.c: Delete deps_output.
1098 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
1099 OBJECT_SUFFIX, and base_name.
1100 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
1102 (initialize_dependency_output): Use deps_init,
1103 deps_add_target, deps_calc_target, and deps_add_dep. Remove
1104 all the unnecessary string bashing.
1105 (cpp_finish): Use deps_write. Remove an unnecessary nesting
1107 * cpplib.c (do_include): Use deps_add_dep.
1108 * cpplib.h (struct cpp_reader): Replace deps_buffer,
1109 deps_allocated_size, deps_size, deps_column members with
1110 single pointer to a struct deps. Delete prototype of
1113 * cppinit.c: Fix thinko in previous patch.
1115 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1117 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
1118 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
1119 (mode_for_size_tree): New function.
1120 (layout_decl, layout_type): Call it and clean up BLKmode checks.
1121 * tree.h (mode_for_size_tree): New declaration.
1123 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
1125 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
1127 * stmt.c (is_body_block): Move...
1128 * dwarfout.c, dwarf2out.c: ...from here.
1129 * tree.h: Declare it.
1130 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
1131 * final.c (final_start_function): Do call remove_unnecessary_notes
1134 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1136 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
1138 * cpplib.h (_dollar_ok): New macro.
1139 (is_idchar, is_idstart): Use it.
1140 (IStable): Rename to _cpp_IStable. Declare it const if
1141 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
1142 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
1143 is_space): Update for renamed IStable.
1145 * cppinit.c: Delete all references to FAKE_CONST and CAT
1146 macros. Define init_IStable as empty macro if gcc >=2.7 or
1147 C99. Change TABLE() to ISTABLE and hardcode name of table.
1148 (cpp_start_read): Don't change the IStable based on
1151 * cpphash.c (unsafe_chars): Add pfile argument. All callers
1152 changed. Handle '$' for char1 correctly.
1153 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
1155 * cppexp.c (tokentab2): Make const.
1156 (cpp_lex): Make toktab const.
1157 * cppinit.c (include_defaults_array): Make const.
1158 (initialize_standard_includes): Make default_include const.
1160 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1162 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
1163 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
1164 (gen_decl_die): Likewise.
1165 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
1166 (output_decl): Likewise.
1168 * varasm.c (make_function_rtl): If we change the name used in the
1169 rtl, update DECL_ASSEMBLER_NAME accordingly.
1170 (make_decl_rtl): Likewise.
1172 * toplev.c (rest_of_compilation): Tweak formatting.
1174 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
1175 remove_unnecessary_notes.
1176 (debug_ignore_block): New fn.
1177 * toplev.h: Declare it.
1178 * emit-rtl.c (remove_unncessary_notes): Call it.
1179 * dwarf2out.c (dwarf2out_ignore_block): New fn.
1180 * dwarf2out.h: Declare it.
1181 * final.c (final_start_function): Don't call remove_unnecessary_notes
1182 if we did insn scheduling.
1184 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1186 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
1187 * cpplib.h: Delete SET_CPP_PEDANTIC.
1189 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1191 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
1192 result is a RECORD_TYPE.
1194 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
1196 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
1198 2000-03-03 Richard Henderson <rth@cygnus.com>
1200 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
1201 addition over compliments over shifts.
1203 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1205 * reload1.c (reload_combine_note_use): Handle return register USEs.
1206 REG case: Handle multi-hard-register hard regs.
1208 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1210 * md.texi: Document use of '*' in insn pattern name.
1212 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1214 * calls.c (special_function_p): operator new may not be malloc-like.
1216 * gcse.c (dump_hash_table): Really fix error in last change.
1218 2000-03-02 Denis Chertykov <denisc@overta.ru>
1220 * avr.c (print_operand): Use print_operand_address instead of
1222 * avr/libgcc.S: Cleanup code.
1224 2000-03-02 Richard Henderson <rth@cygnus.com>
1226 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
1228 2000-03-02 Mark Mitchell <mark@codesourcery.com>
1230 * tree.h (TYPE_ALIGN_UNIT): New macro.
1232 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
1234 * i386.c: (constant_call_address_operand): Reject CONST_INT.
1236 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
1238 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
1240 (SET_CPP_PEDANTIC): New macro.
1241 * cpplib.c (do_include): Don't bother checking system_header_p.
1242 (do_warning, do_ident, do_assert, do_unassert): Likewise.
1243 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
1245 * function.h (struct expr_status): Add x_arg_space_so_far.
1246 (arg_space_so_far): New macro.
1247 * expr.c (init_expr): Initialize it.
1248 * calls.c (emit_call_1): Reset it.
1249 (compute_argument_block_size, expand_call): Use it.
1250 (expand_call, store_one_arg): Increment it.
1252 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1254 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
1257 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
1259 * cppfiles.c (cpp_read_file): New function.
1261 * cpphash.c (collect_expansion): Make sure to reset last_token
1262 to NORM when we hit a string. Handle trailing whitespace
1263 properly when the expansion is empty.
1264 (create_definition): Disable line commands while parsing the
1266 (dump_definition): If pfile->lineno == 0, output a line
1267 command ahead of the dump, and add a trailing newline.
1269 * cppinit.c (append_include_chain): Add fifth argument, which
1270 indicates whether or not system headers are C++ aware.
1271 (initialize_standard_includes): New function,
1272 broken out of read_and_prescan. Pass 'cxx_aware' value from
1273 the include_defaults_array on to append_include_chain.
1274 (dump_special_to_buffer): Const-ify char array.
1275 (builtin_array): Don't dump __BASE_FILE__.
1276 (cpp_start_read): Use cpp_read_file. Reorder code for
1277 clarity. Don't output line commands here for -D/-A/-U
1278 switches. Don't call deps_output for files included with
1279 -include or -imacros.
1281 * cpplib.c (do_define): Don't pay any attention to the second
1283 (cpp_expand_to_buffer): Disable line commands while scanning.
1284 (output_line_command): Work in the file buffer.
1285 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
1286 Fix formatting of comments. Prototype cpp_read_file.
1288 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1290 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
1291 reference the language-equivalent of sizetype.
1292 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
1293 * fold-const.c (size_binop, size_diffop): Put back checks.
1294 * gcse.c (dump_hash_table): Fix minor error in last change.
1295 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
1296 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
1299 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
1301 * calls.c (expand_call) Do not attempt to combine stack adjustments
1302 with inhibit_defer_pop set.
1304 2000-03-01 Mark Mitchell <mark@codesourcery.com>
1306 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
1307 the DECL_SIZE for a FIELD_DECL.
1309 2000-03-01 Bruce Korb <bkorb@gnu.org>
1311 * fixinc/inclhack.tpl: remove unused symlinks
1312 * fixinc/README: GCC Maintainer info
1313 * fixinc/inclhack.sh: regen
1314 * fixinc/fixincl.sh: regen
1316 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
1318 * cpphash.c (collect_expansion): Trim trailing white space
1319 from macro definitions, but don't go past the last insertion
1322 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
1324 * i386.md (mulqi3): New pattern.
1326 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
1328 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
1330 (struct cpp_reader): Add parsing_if_directive and
1331 parsing_define_directive flags.
1332 (struct cpp_options): Remove output_conditionals flag.
1333 (check_macro_name): Delete prototype.
1335 * cpphash.h (struct macrodef): Delete.
1336 (struct reflist): Separate from struct definition.
1337 (struct definition): Remove unused fields. Add column number.
1338 (create_definition): Returns a DEFINITION *. Takes a
1339 cpp_reader * and an int.
1341 * cpphash.c (SKIP_WHITE_SPACE): Delete.
1342 (PEEKC): Copy defn from cpplib.c.
1343 (rest_extension, REST_EXTENSION_LENGTH): Delete.
1345 (struct arglist): Simplify.
1346 (collect_expansion): Rewrite. Get tokens by calling
1347 cpp_get_token. Add more error checking.
1348 (collect_formal_parameters): New function, broken out of
1349 create_definition and reworked to use get_directive_token.
1350 (create_definition): All real work is now in collect_expansion
1351 and collect_formal_parameters. do_define handles finding the
1352 macro name. Return a DEFINITION, not a MACRODEF.
1353 (macroexpand): Replace bcopy with memcpy throughout. Replace
1354 character-at-a-time copy loop with memcpy and pointer increments.
1355 (compare-defs): d1->argnames / d2->argnames might be null.
1357 * cpplib.c (copy_rest_of_line): Delete function.
1358 (skip_rest_of_line): Do all the work ourselves.
1359 (skip_string): New function.
1360 (parse_string): Use skip_string.
1361 (get_macro_name): New function.
1362 (check_macro_name): Delete.
1363 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
1364 (cpp_skip_hspace): Use CPP_BUMP_LINE.
1365 (handle_directive): ICE if we're called on a macro buffer.
1366 (do_define): Determine macro name and type (funlike/objlike)
1367 here. Expunge all uses of MACRODEF.
1368 (cpp_push_buffer): Set line_base to NULL.
1369 (do_undef, read_line_number): Don't worry about getting a POP token.
1370 (eval_if_expression): Set/reset parsing_if_directive around
1371 cpp_parse_expr. Don't clear only_seen_white.
1372 (skip_if_group): Remove output_conditionals logic. Use
1374 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
1375 tokens under appropriate conditions.
1376 (cpp_unassert): Call do_unassert not do_assert. Oops.
1378 * cppexp.c (parse_defined): New function, break out of
1380 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
1381 ourselves, with cpp_defined.
1382 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
1384 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
1385 * gcc.dg/strpaste-2.c: New.
1387 2000-02-29 Mark Mitchell <mark@codesourcery.com>
1389 * fold-const.c (size_binop): Don't asert inputs are the same and
1390 have TYPE_IS_SIZETYPE set.
1391 (size_diffop): Likewise.
1393 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
1395 * dwarfout.c (output_block): Output abstract blocks even if they
1396 don't have TREE_ASM_WRITTEN set.
1398 * calls.c (emit_library_call): Check for null REG.
1400 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
1402 * c-decl.c (current_function_decl): Move to toplev.c.
1403 (init_decl_processing): Don't add current_function_decl as a ggc
1405 * dbxout.c (dbxout_symbol): Change return type to int.
1406 (dbxout_symbol_location, dbxout_syms): Likewise.
1407 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
1408 any locals. Use current_function_func_begin_label if set.
1409 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
1410 * dwarf2out.c (dwarf2out_begin_prologue): Set
1411 current_function_func_begin_label.
1412 * final.c (final_start_function): Reset it.
1413 * toplev.c (current_function_decl): Define it here.
1414 (current_function_func_begin_label): New variable.
1415 (main): Add both as ggc roots.
1416 * tree.h (current_function_func_begin_label): Declare.
1418 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1420 * gcse.c: Cleanups throughout: mostly white-space, but also
1421 some minor rearrangement of code.
1423 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
1425 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
1426 returns a PARALLEL. Use emit_group_load and use_group_regs
1428 (emit_library_call_value): Similarly.
1430 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
1431 * pa/quadlib.asm: Remove.
1432 * pa/quadlib.c: New file.
1434 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
1435 * configure: Rebuilt.
1437 2000-02-29 Philip Blundell <pb@futuretv.com>
1439 * config/arm/conix-elf.h: New file.
1440 * configure.in (arm*-*-conix*): New configuration.
1441 * configure: Regenerate.
1443 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
1445 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
1446 don't have TREE_ASM_WRITTEN set.
1448 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1450 * Eliminate DECL_FIELD_SIZE.
1451 * builtins.c (built_in_class_names, built_in_names): New variables.
1452 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
1453 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
1454 DECL_SIZE, not DECL_FIELD_SIZE.
1455 * print-tree.c (print_node): Remove code that prints extra blank
1456 lines in some cases.
1457 Properly handle inline and builtin function cases.
1458 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
1459 * tree.h (built_in_class_named, built_in_names): New declarations.
1460 (union tree_decl): Rename internal unions to u1 and u2 and change
1461 some of their components.
1462 Add new field built_in_class.
1463 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
1464 Reflect above changes.
1465 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
1466 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
1467 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
1468 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
1470 2000-02-28 Dmitri Makarov <dim@windriver.com>
1472 * extend.texi: Document ARM's support for long/short calls.
1474 * invoke.texi: Document ARM's -mlong-calls command line switch.
1476 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
1477 (arm_encode_call_attribute): Add prototype.
1478 (arm_set_default_type_attribute): Add prototype.
1479 (arm_strip_name_encoding): Add prototype.
1481 * config/arm/arm.c (arm_init_cumulative_args): replace
1482 initialisation og 'long_calls' field with initialisation of
1483 'call_cookie' field.
1484 (enum arm_pragma_enum): New enum.
1485 (arm_pragma_long_calls): New static variable.
1486 (arm_process_pragma): Also process "#pragma long_calls_off".
1487 (arm_valid_type_attribute_p): Accept short_call attribute.
1488 (arm_comp_type_attributes): Check long/short call attributes.
1489 (arm_encode_call_attribute): New function: Encode long_call
1490 or short_call attribute in function name.
1491 (arm_set_default_type_attributes): New function: Assign
1492 default attributes to newly defined type.
1493 (current_file_function_operand): New function: Return true if
1494 the symbol is a function which has already been compiled.
1495 (arm_is_longcall_p): New function: Return true if the
1496 indicated function should be called via a long call.
1497 (arm_get_strip_length): New function. Returns number of
1498 prefix characters to be stripped from a function's name.
1499 (arm_strip_name_encoding): New function. Strip prefix characters
1500 from a function's name.
1502 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
1504 (SHORT_CALL_FAG_CHAR): Define.
1505 (LONG_CALL_FAG_CHAR): Define.
1506 (ENCODED_SHORT_CALL_ATTR_P): Define.
1507 (ENCODED_LONG_CALL_ATTR_P): Define.
1508 (ARM_NAME_ENCODING_LENGTHS): Define.
1509 (STRIP_NAME_ENCODING): Define.
1510 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
1511 (ARM_ENCODE_CALL_TYPE): Define.
1512 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
1513 (ARM_DECLARE_FUNCTION_SIZE): Define.
1514 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
1516 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
1517 if a long call is needed.
1518 (call_value): Ditto.
1519 (call_symbol): Ditto.
1521 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
1522 ARM_DECLARE_FUNCTION_SIZE.
1524 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
1525 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
1526 (ARM_STRIP_NAME_ENCODING): Undefine.
1527 (STRIP_NAME_ENCODING): Undefine.
1528 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
1529 (ASM_DECLARE_FUNCTION_NAME): Ditto.
1530 (ASM_OUTPUT_COMMON): Ditto.
1531 (ASM_DECLARE_OBJECT_NAME): Ditto.
1533 * config/arm/pe.c (arm_dllexport_name_p): Check for
1535 (arm_dllimport_name_p): Ditto.
1536 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
1537 (arm_mark_dllimport): Ditto.
1539 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1541 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
1543 2000-02-28 Mark Mitchell <mark@codesourcery.com>
1545 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
1547 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
1549 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
1550 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
1551 NO_BUILTIN_WCHAR_TYPE is not defined.
1552 (CPP_WCHAR_TYPE): Delete.
1553 * cccp.c (main): Don't change wchar_type if cplusplus.
1554 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
1556 2000-02-28 Nick Clifton <nickc@cygnus.com>
1558 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
1560 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
1562 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
1563 (ASM_WEAKEN_LABEL): Define.
1565 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
1567 * expr.c (store_constructor): Do not emit USE.
1568 * rtl.h (stupid_life_analysis): Remove.
1570 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1572 * function.c (number_blocks): Reset next_block_index based on
1573 what debugging format is used, not what is defined.
1575 * lcm.c: Minor reformatting throughout.
1576 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
1578 * toplev.c (rest_of_compilation): Account for time in
1579 optimize_mode_switching.
1581 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
1582 if only marking labels.
1584 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
1586 * calls.c (expand_call): Attempt to combine stack adjustments with
1587 pending stack adjustments.
1589 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1591 * loop.c (reg_in_basic_block_p): Don't abort when falling through
1592 to the end of the function.
1594 2000-02-27 Mark Mitchell <mark@codesourcery.com>
1596 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
1598 * final.c (next_block_index): Remove.
1599 (max_block_depth): Likewise.
1600 (pending_blocks): Likewise.
1601 (init_final): Don't initialize them.
1602 (final_start_function): Don't set next_block_index. Set up
1604 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
1605 * function.h (number_blocks): New function.
1606 * function.c (get_block_vector): New function.
1607 (identify_blocks): Use it.
1608 (reorder_blocks): Set NOTE_BLOCK.
1609 (number_blocks): New function.
1610 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
1611 * tree.h (BLOCK_NUMBER): New macro.
1612 (tree_block): Add block_num field.
1613 * dbxout.c (next_block_number): Remove.
1614 (dbxout_init): Don't set it.
1615 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
1616 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
1618 * toplev.c (rest_of_compilation): Always call
1619 find_loop_tree_blocks. Fix indentation.
1620 * dwarf2out.c (next_block_number): Remove.
1621 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
1622 to determine block numbers.
1623 (gen_inlined_subroutine_die): Likewise.
1624 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
1625 (decls_for_scope): Don't increment next_block_number.
1626 * dwarfout.c (next_block_number): Remove.
1627 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
1628 to determine block numbers.
1629 (output_inlined_subroutine_die): Likewise.
1630 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
1631 (output_decls_for_scope): Don't increment next_block_number.
1632 * sdbout.c (next_block_number): Remove.
1633 (sdbout_block): Use BLOCK_NUMBER.
1634 (sdbout_begin_block): Simplify.
1635 * xcoffout.c (next_block_number): Remove.
1636 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
1637 (xcoffout_begin_block): Don't set next_block_number.
1638 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
1641 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1643 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
1644 (expand_builtin_strcpy): Pass correct type to size_binop.
1645 (expand_builtin_strcmp): Likewise.
1646 Clean up conditional structure.
1647 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
1648 (complete_array_type): Don't use size_binop for MAXINDEX.
1649 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
1650 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
1651 (c_alignof): Use size_one_node.
1652 (build_unary_op): Pass arg of proper type to size_binop.
1653 (really_start_incremental_init, push_init_level): Use sizetype for
1654 constructor{,_bit,_unfilled}_index.
1655 (pop_init_label, output_init_element): Likewise.
1656 (output_pending_init_elements, process_init_element): Likewise.
1657 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
1658 * expr.c (store_expr): Use size_int.
1659 (store_constructor): Use proper types for size_binop args.
1660 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
1661 (expand_expr_unaligned): Likewise.
1662 (string_contant): Return object of sizetype.
1663 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
1664 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
1665 (ARGS_SIZE_TREE): Pass proper types to size_binop.
1666 * fold-const.c (int_const_binop): Refine when size_int is called.
1667 (fold_convert): Likewise.
1668 (size_int_wide): Rework to take KIND as arg, only take low order
1669 bits, handle new sizetype_tab datatype, and chain entries in
1671 (size_int_type_wide): New function.
1672 (size_binop): Validate types of arguments.
1673 (ssize_binop): Deleted.
1674 (size_diffop): New function.
1675 (extract_muldiv): Only fold division into multiplication for sizetypes.
1676 * function.c (assign_parms): Use size_diffop and make sure
1677 VAR field is of ssizetype; also pass proper type to size_binop.
1678 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
1679 (round_down): Deleted from here.
1680 * store-layout.c (sizetype_tab): Now an array.
1681 (sizetype_set, early_root_list): New variables.
1682 (variable_size): Use size_one_node.
1683 (round_up): Pass proper type to size_binop.
1684 (round_down): Moved to here and corrected as above.
1685 (layout_record): Pass proper arg types to size_binop.
1686 (layout_type): Likewise.
1687 If sizetype_set is zero, record the type just laid out.
1688 (make_unsigned_type): Don't call set_sizetype;
1689 (make_signed_type): Likewise; also, call fixup_signed_type.
1690 (initialize_sizetypes): New function.
1691 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
1692 set name of bitsizetype to "bit_size_type".
1693 Fix up type of sizes of all types made before call.
1694 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
1695 * tree.c (fix_sizetype): Deleted.
1696 (build_common_tree_nodes): Call initialize_sizetypes.
1697 (build_common_tree_nodes_2): Don't call fix_sizetype.
1698 * tree.h (TYPE_IS_SIZETYPE): New macro.
1699 (initialize_sizetype): New declaration.
1700 (enum size_type_kind): New type.
1701 (struct sizetype_tab): Deleted.
1702 (sizetype_tab): Now array; adjust sizetype macros.
1703 (size_diffop, size_int_type_wide): New functions.
1704 (size_int_wide): Change number of args and type; access macros changed.
1705 (ssize_int, sbitsize_int): New macros.
1706 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
1707 (ROUND_TYPE_SIZE_UNIT): New macro.
1709 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
1711 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
1713 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1715 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
1716 Mark as possibly unused.
1718 * cse.c (cse_insn): Delete dead code involving tablejump.
1719 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
1721 * Makefile.in (libcpp.a): Start by deleting it.
1723 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1725 * cpplib.h (enum file_change_code): Added rename_file.
1726 * cpplib.c (do_line): If a filename is given, set file_change to
1728 (output_line_command): If file_change is rename_file, always
1729 output a # directive with the file name.
1731 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
1733 2000-02-26 Mark Mitchell <mark@codesourcery.com>
1735 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
1736 when copying a PARM_DECL or RESULT_DECL.
1738 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1740 * fix-header.c (recognized_function): Also fix prototypes for
1741 functions taking "void".
1743 2000-02-26 Geoff Keating <geoffk@cygnus.com>
1745 * reload1.c (do_output_reload): Check reg_reloaded_valid before
1746 looking at reg_reloaded_contents.
1748 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
1750 * Makefile.in (STMP_FIXINC): New toggle.
1751 (LIBGCC2_DEPS): Delete all references.
1752 (stmp-headers): Delete target. All references either deleted
1753 or changed to stmp-int-headers.
1754 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
1755 (LIBCPP_OBJS): Take out cppalloc.o.
1756 (cppalloc.o): Delete target.
1757 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
1758 (gen-protos, fix-header): Link with libiberty.a.
1759 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
1762 * configure.in: Remove refs to strerror.
1763 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
1764 * system.h: Take out strerror stanza.
1766 * cpperror.c (my_strerror): Delete function.
1767 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
1768 * cppmain.c (main): Call xmalloc_set_program_name first thing.
1769 * cppalloc.c: Delete file.
1770 * gen-protos.c: Don't provide xrealloc.
1772 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
1773 xstrerror throughout.
1775 2000-02-26 Bruce Korb <bkorb@gnu.org>
1777 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
1778 match for DOS headers, too.
1779 * fixinc/inclhack.sh,fixincl.x: Regenerate.
1781 2000-02-26 Geoff Keating <geoffk@cygnus.com>
1783 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
1784 is right for most ELF targets.
1785 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
1786 Let the default file use %U properly.
1787 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
1790 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
1793 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1795 * toplev.c (documented_lang_options): Correct spelling error.
1796 (decode_d_option, decode_f_option, main): Likewise.
1798 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
1800 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
1801 to tell assembler it is permitted to expand large constants.
1803 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
1805 * protoize.c: (AUX_INFO_SUFFIX): New macro.
1806 (aux_info_suffix): Use.
1807 (SAVE_SUFFIX): New macro.
1809 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
1810 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
1811 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
1813 * invoke.texi (Running Protoize): Update documentation.
1815 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
1817 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
1819 2000-02-25 John Wehle (john@feith.com)
1821 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
1823 2000-02-25 Anthony Green <green@cygnus.com>
1825 * toplev.c (rest_of_compilation): Rebuild jump labels if
1826 combine_instructions has created a new direct jump.
1827 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
1829 (combine_instructions): Call try_combine with new argument.
1830 Return non-null value when new direct jump instruction is created.
1831 * rtl.h: combine_instructions returns an int.
1833 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
1835 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
1836 jump when changing a computed jump into a jump to a known
1839 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
1841 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
1842 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
1844 * i386.md (define_expand "clrstrsi"): Fix typo.
1846 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
1848 * rtl.texi: Fix typo.
1850 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1852 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
1853 UNITS_PER_WORD. Change caller initial_elimination_offset.
1854 (rounded_frame_size): Take into account that argument pushed has
1855 changed. Fix TARGET_ALIGN_DOUBLE problem.
1857 2000-02-25 Geoff Keating <geoffk@cygnus.com>
1859 * haifa-sched.c (schedule_block): Explain the real reason
1860 we delete REG_SAVE_NOTEs on the first insn of a block.
1861 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
1863 2000-02-24 Mark Mitchell <mark@codesourcery.com>
1865 * input.h (push_srcloc): New function.
1866 (pop_srcloc): Likewise.
1867 * toplev.c (push_srcloc): Define it.
1868 (pop_srcloc): Likewise.
1870 2000-02-24 Richard Henderson <rth@cygnus.com>
1872 * flow.c (life_analysis): When collecting reg info, clear
1875 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1877 Fix bug exposed by reload.c no longer rounding the frame
1878 size to BIGGEST_ALIGNMENT:
1879 * sh.c (rounded_frame_size): New function.
1880 (sh_expand_prologue, sh_expand_epilogue): Use it.
1881 (initial_elimination_offset): Likewise.
1883 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1885 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
1886 * sh-protos.h (sh_need_epilogue): Declare.
1887 * sh.c (sh_need_epilogue_known): New static variable.
1888 (sh_need_epilogue): New function.
1889 (function_epilogue): Clear need_epilogue_known.
1890 * sh.md (return): Split into expander / insn pattern.
1891 Make the expander conditional on ! sh_need_epilogue ().
1893 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
1895 * machmode.h (get_mode_alignment): Declare.
1896 (GET_MODE_ALIGNMENT): Call it.
1897 * stor-layout.c (get_mode_alignment): New function. Make
1898 sure alignment is always power of 2.
1900 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
1902 * i386.h: Remove useless definition of "I386" and misleading
1905 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
1907 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
1908 under which TREE_PERMANENT will be set.
1909 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
1910 build1): Use TREE_SET_PERMANENT.
1911 * print-tree.c (print_node): Don't report value of
1912 TREE_PERMANENT if ggc_p is true.
1914 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
1915 decide whether to give a type a new alias set.
1916 * objc/objc-act.c (build_objc_string_object): Never copy the string.
1917 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
1918 of value of 'obstack'.
1921 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1923 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
1925 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1927 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
1928 * cpplib.c (cpp_get_token): Produce them.
1929 * cppexp.c (cpp_lex): Handle them.
1931 2000-02-23 Nick Clifton <nickc@cygnus.com>
1933 * config/arm/arm.c (arm_comp_type_attributes): Simply and
1934 comment tests on type attributes.
1936 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1938 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
1939 conform to documentation.
1940 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
1941 to check for special cases.
1942 * sh-protos.h (sh_loop_align): Declare.
1943 * sh.c (sh_loop_align): Define.
1945 2000-02-22 Andrew Haley <aph@cygnus.com>
1947 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
1948 (SIZE_TYPE): Is 32 bits when using -mgp32.
1949 (PTRDIFF_TYPE): Ditto.
1951 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1953 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
1955 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
1957 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
1958 BIGGEST_FIELD_ALIGNMENT a constant.
1960 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
1962 * dwarf2out.c (output_line_info): Put the marker for the end of
1963 the line number info at the actual end.
1964 (gen_struct_or_union_type_die): Use decl_function_context
1965 to check for local classes.
1966 * dwarfout.c (output_type): Likewise.
1968 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
1970 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
1971 for arguments with a mode, but no type.
1972 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
1973 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
1974 * pa/long_double.h: New file.
1975 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
1976 both have 128bit wide long doubles.
1977 * configure: Rebuilt.
1979 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1981 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
1983 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
1984 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
1985 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
1987 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
1989 * integrate.c (compare_blocks, find_block): Likewise.
1991 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
1993 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
1995 * stmt.c (stmt_status, set_file_and_line_for_stmt,
1996 expand_asm_operands): Likewise.
1998 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
2000 * predict.c (estimate_probability): Added the pointer heuristic to
2001 the collection of static branch predictors.
2003 2000-02-21 Catherine Moore <clm@cygnus.com>
2005 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
2006 * invoke.texi (-mfix7000): Document.
2008 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
2010 * diagnostic.c (init_output_buffer): Make it possible to output at
2011 least 32 characters if we're given a too long prefix.
2013 2000-02-20 Mark Mitchell <mark@codesourcery.com>
2015 * varasm.c (initializer_constant_valid_p): Call
2016 lang_expand_constant to simplify the constant.
2018 2000-02-20 Bruce Korb <bkorb@gnu.org>
2020 * fixinc/inclhack.def(stdio_va_list):
2021 typedef needs to be disabled.
2022 * fixinc/inclhack.sh: regen
2023 * fixinc/fixincl.x: regen
2025 2000-02-20 Geoff Keating <geoffk@cygnus.com>
2027 * print-rtl.c (print_rtx): Don't print addresses when
2028 flag_dump_unnumbered.
2030 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2032 * sparc.c (sparc_output_scratch_registers): Mark parameter with
2034 (sparc_va_arg, sparc_flat_output_function_prologue,
2035 sparc_flat_output_function_epilogue): Cast value to unsigned in
2037 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
2039 * sparc.md: Add default case in switch.
2041 2000-02-19 Richard Henderson <rth@cygnus.com>
2043 * c-typeck.c (add_pending_init): Don't abort for multiple
2044 fields at the same offset.
2045 (pending_init_member): Test the correct member.
2047 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2049 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
2051 (start_catch_handler) : Same.
2053 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
2055 * Makefile.in: Have flow.o depend on $(EXPR_H)
2057 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2059 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
2060 * c-decl.c (duplicate_decls, finish_enum): Likewise.
2061 (finish_decl): Remove -Wlarger-than code from here.
2062 * flags.h (id_clash_len): Now int.
2063 (larger_than_size): Now HOST_WIDE_INT.
2064 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
2065 Clean up checking to see if in table.
2066 (make_bit_field_ref): Remove extra parm to bitsize_int.
2067 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
2068 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
2069 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
2070 and for computing size of decl.
2071 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
2072 Move -Wlarger-than code to here.
2073 (layout_record): Remove extra arg to bitsize_int.
2074 Set TYPE_BINFO_SIZE_UNIT.
2075 (layout_union): Remove extra arg to bitsize_int.
2076 Use proper type for size of QUAL_UNION.
2077 (layout_type): Remove extra arg to bitsize_int.
2078 * toplev.c (id_clash_len): Now int.
2079 (larger_than_size): Now HOST_WIDE_INT.
2080 (decode_W_option): Clean up id-clash and larger-than- cases.
2081 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
2082 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
2083 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
2084 (struct tree_decl): New field size_unit.
2085 (size_int_wide): No HIGH operand; NUMBER is now signed.
2086 (size_int_2): Deleted.
2087 (size_int, bitsize_int): Don't use it and rework args.
2088 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
2090 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
2092 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
2094 2000-02-18 Geoff Keating <geoffk@cygnus.com>
2096 * invoke.texi (Warning Options): Add an explanation of why
2097 you might want the -Wfloat-equal flag.
2099 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2101 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
2102 * cppinit.c (new_pending_define): Add cast to avoid warning.
2103 * expmed.c (extract_bit_field): Likewise.
2104 * flow.c (enum reorder_skip_type): New type.
2105 (skip_insns_between_blcok): New it.
2106 Rework to avoid warning about possibly undefined variable.
2107 * function.c (assign_parms): Make thisparm_boundary unsigned.
2108 * genrecog.c (write_switch): Cast XWINT result to int.
2109 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
2110 * mips-tfile.c (init_file): Make two versions of FDR intializer:
2111 one for MIPS and one for Alpha.
2112 (get_tag, copy_object): Add casts to avoid warnings.
2113 * optabs.c (init_one_libfunc): Cast NAME to (char *).
2114 * reload.c (find_reloads): Make TYPE enum reload_type.
2115 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
2116 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
2117 * varasm.c (compare_constant_1): Add cast to avoid warning.
2118 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
2120 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
2121 Cast switch operand of size to int.
2122 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
2123 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
2126 2000-02-18 Nick Clifton <nickc@cygnus.com>
2128 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
2129 anything for an alignment of zero.
2131 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
2132 anything for an alignment of zero.
2134 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
2136 * gcc.texi (Bug Reporting): Refer to bugs.html.
2137 (Bug Lists): Likewise.
2138 * system.h (GCCBUGURL): New preprocessor define.
2139 * rtl.c (fancy_abort): Use it.
2140 * gcc.c (main): Likewise.
2142 2000-02-18 Richard Henderson <rth@cygnus.com>
2144 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
2145 (life_analysis_1): Subsume into ...
2146 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
2147 Use update_life_info for the relaxation.
2148 (update_life_info): Update REG_BASIC_BLOCK for registers live on
2149 entry and regs_live_at_setjmp.
2150 (set_noop_p): Simplify.
2151 (notice_stack_pointer_modification_1): Renamed from s/_1//.
2152 (record_volatile_insns): Split into ...
2153 (delete_noop_moves): ... here,
2154 (notice_stack_pointer_modification): ... here,
2155 (insn_dead_p): ... and here.
2156 (propagate_block): Don't query INSN_VOLATILE.
2157 (mark_used_regs): Mind !PROP_REG_INFO.
2158 * toplev.c (rest_of_compilation): Call mark_constant_function here,
2159 not in life_analysis.
2161 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
2163 * loop.c (canonicalize_condition): New function,
2164 broken out of get_condition.
2165 (get_condition): Use it.
2166 * expr.h (canonicalize_condition): Prototype it.
2168 * tree.h (tree_int_cst_msb): Declare.
2169 * tree.c (tree_int_cst_msb): New function.
2171 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2173 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
2176 * invoke.texi (-fmessage-length=n): Document.
2178 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
2180 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
2182 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2184 * function.c (thread_prologue_and_epilogue_insns): Put a line note
2187 2000-02-17 Nick Clifton <nickc@cygnus.com>
2189 * config/arm/thumb.c: Replace includes of system headers with
2190 #include "system.h".
2192 2000-02-16 Richard Henderson <rth@cygnus.com>
2194 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
2195 Add crtbeginS.o and crtendS.o.
2196 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
2197 (ENDFILE_SPEC): Use crtendS.o.
2198 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
2200 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
2201 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
2203 (__dso_handle): New variable.
2204 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
2205 bias to __CTOR_END__.
2207 2000-02-16 Richard Henderson <rth@cygnus.com>
2209 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
2211 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
2213 * longlong.h (__clz_tab): Declare as static to match definition.
2215 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
2216 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
2217 (XREF_FILE_NAME): Define.
2219 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
2220 (EH_FRAME_SECTION_ASM_OP): Define.
2221 (IDENT_ASM_OP): Define.
2222 (TEXT_SECTION_ASM_OP): Define.
2224 (CTORS_SECTION_ASM_OP): Define.
2225 (CTOR_SECTION_FUNCTION): Use it.
2226 (DTORS_SECTION_ASM_OP): Define.
2227 (DTOR_SECTION_FUNCTION): Use it.
2229 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
2231 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
2234 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
2235 debug_bb_n): New functions.
2236 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
2237 * basic-block.h: Prototype new functions.
2239 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
2241 * configure.in: Add support for avr target.
2242 * configure: Rebuilt.
2244 * invoke.texi: Add AVR invocation docs.
2245 * install.texi: Add information about AVR.
2246 * md.texi: Add AVR constraint letters description.
2247 * extend.texi: Add description for AVR specific attributes.
2249 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
2251 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
2253 2000-02-16 Nick Clifton <nickc@cygnus.com>
2255 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
2256 (make_insn_raw): Move RTL check here.
2258 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2260 * version.c: Include gansidecl.h and version.h.
2262 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
2264 * configure.in (gcc_version): When setting, narrow search to
2265 lines containing `version_string'.
2267 * Makefile.in (mainversion): Likewise.
2268 (GCC_H): New variable.
2269 (gcc.h): Delete target.
2270 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
2271 (version.o): Depend on version.h.
2272 (dbxout.o): Don't depend on gcc.h.
2274 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
2275 Michael Meissner <meissner@cygnus.com>
2277 * md.texi (Simple Constraints): Add item about whitespace.
2278 * genoutput.c (strip_whitespace): New.
2279 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
2280 strip_whitespace for constraints.
2281 Test pointer using NULL, not 0.
2283 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2285 * cpplib.c (do_line): Pedwarn for #line > 32767.
2287 * c-lex.c (readescape): Warn about '\x', but do not reject it.
2289 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
2291 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
2292 to default cpp spec.
2293 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
2294 * cpp.texi: Document __GNUC_PATCHLEVEL__.
2297 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
2300 2000-02-15 Denis Chertykov <denisc@overta.ru>
2302 * configure.in: Add support for avr target.
2304 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2306 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
2307 (sh_addr_diff_vec_mode): Don't declare.
2308 * sh.c (sh_addr_diff_vec_mode): Delete.
2310 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2312 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
2314 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2316 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
2317 (smulsi3_highpart_i): Name.
2318 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
2319 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
2320 (smulsi3_highpart, umulsi3_highpart): Likewise.
2322 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
2323 correctly independent of endianness.
2324 (mulsidi3, umulsidi3): Now define_insn. Hide details that
2325 confuse the optimizers.
2326 (mulsidi3+1, umulsidi3+1): New define_split.
2328 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
2330 * config/sh/sh.md: Guard insn splits against illegal registers.
2331 * config/sh/sh.h: Correct comment about macros.
2333 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2334 Andrew MacLeod <amacleod@cygnus.com>
2336 * Makefile.in (lcm.o): Depend on insn-attr.h.
2337 * basic-block.h (optimize_mode_switching): Declare.
2338 * lcm.c (tm_p.h, insn-attr.h): #include.
2339 (seginfo, bb_info): New structs.
2340 (antic, transp, comp, delete, insert) : New file-scope static variables.
2341 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
2342 (reg_becomes_live, optimize_mode_switching): Likewise.
2343 * tm.texi: Add description of mode switching macros.
2344 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
2346 * sh-protos.h (remove_dead_before_cse): Remove prototype.
2347 (fldi_ok, fpscr_set_from_mem): New prototypes.
2348 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
2349 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
2350 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2351 (sh_flag_remove_dead_before_cse): Remove declaration.
2352 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
2353 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
2354 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
2355 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2356 (barrier_align): Allow for JUMP_INSNS containing a parallel.
2357 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
2358 (fldi_ok): New function.
2359 (get_fpscr_rtx): Add fpscr_rtx as GC root.
2360 (emit_sf_insn): Only generate fpu switches when optimize < 1.
2361 (emit_df_insn): Likewise.
2362 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
2363 (sh_flag_remove_dead_before_cse): Delete.
2364 (get_free_reg, fpscr_set_from_mem): New functions.
2365 * sh.md (movdf, movsf): Remove no_new_pseudos code.
2366 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
2368 2000-02-15 Loren Rittle <ljrittle@acm.org>
2370 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
2372 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2374 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
2375 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
2377 * cccp.c: Include version.h and/or don't declare `version_string'.
2378 * collect2.c: Likewise.
2379 * alpha.c: Likewise.
2380 * arm/aof.h: Likewise.
2381 * arm/coff.h: Likewise.
2382 * arm/elf.h: Likewise.
2383 * arm/pe.h: Likewise.
2384 * arm/tcoff.h: Likewise.
2385 * arm/telf.h: Likewise.
2386 * arm/tpe.h: Likewise.
2387 * arm/vxarm.h: Likewise.
2388 * convex/convex.c: Likewise.
2389 * i386/dgux.c: Likewise.
2390 * i386/sun386.h: Likewise.
2391 * m88k/m88k.c: Likewise.
2392 * mcore/mcore-pe.h: Likewise.
2393 * mips/mips.h: Likewise.
2394 * romp/romp.h: Likewise.
2395 * sh/sh.c: Likewise.
2396 * cpphash.c: Likewise.
2397 * cppinit.c: Likewise.
2398 * dwarf2out.c: Likewise.
2399 * dwarfout.c: Likewise.
2402 * mips-tfile.c: Likewise.
2403 * protoize.c: Likewise.
2404 * toplev.c: Likewise.
2407 * version.c (version_string): Constify a char*.
2409 * version.h: New file.
2411 2000-02-14 Nick Clifton <nickc@cygnus.com>
2413 * configure.in: Add mcore-elf and mcore-pe targets.
2414 * configure: Regenerate.
2416 * NEWS: Add note that MCore port has been contributed.
2418 * invoke.texi: Document command line switches for MCore port.
2419 * install.texi: Add MCore to list of supported targets.
2421 2000-02-14 Geoff Keating <geoffk@cygnus.com>
2423 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
2424 then we will need to import the frame handling functions.
2425 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
2426 to import the frames themselves.
2428 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
2429 Jason Eckhardt <jle@cygnus.com>
2431 * basic_block.h: Added prototype for reorder_basic_blocks.
2432 * toplev.c: Changes to add -freorder-blocks and graph dump after
2433 block reordering is done.
2434 * flow.c (reorder_block_def): New structure for use during block
2436 (REORDER_BLOCK_*): New macros to access members of above structure.
2437 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
2438 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
2439 functions for block reordering.
2441 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
2443 * gcc.texi (Passes): Fix typo.
2444 * md.texi (Standard Names): Ditto.
2445 * tm.texi (Storage Layout): Ditto.
2447 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
2449 * cpplib.c (do_define): Only free the old definition if it
2452 2000-02-13 Neil Booth <NeilB@earthling.net>
2454 * cppfiles.c (read_and_prescan): When emitting deferred
2455 newlines, test speccase[] again instead of checking each
2456 possible whitespace character in turn. When we encounter \r,
2457 look behind for \n first, then ahead.
2459 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
2461 * cse.c (cse_altered): New internal flag.
2462 (cse_insn): Set it if we changed an insn.
2463 (cse_main): Clear cse_altered before each basic block.
2464 Only garbage collect if cse_altered is true afterward.
2466 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2468 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
2470 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
2472 * combine.c (simplify_comparison): Fix typo.
2474 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
2476 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
2479 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2481 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
2482 previously inserted node instead of root node. Caller changed.
2484 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2486 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
2488 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2490 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
2491 __dereg_frame_dtor): Add prototype argument.
2493 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
2495 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
2497 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
2499 * gthr-vxworks.h (__gthread_once): Likewise.
2501 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
2503 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
2505 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
2506 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
2507 stack pointer in functions w/o saved registers, output LEAVE more often
2508 on TARGET_USE_LEAVE machines.
2510 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
2512 * config/arm/arm.c (arm_init_cumulative_args); New function:
2513 Initlaise the CUMULATIE_ARGS strcuture for a function
2515 (arm_function_arg): New function: Determine where to place a
2516 function's argument. Also handles deciding the function's
2518 (current_file_function_operand): New function: Return true if
2519 the symbol is a function which has already been compiled.
2520 (arm_is_long_call_p): New function: Return true if the
2521 indicated function should be called via a long call.
2522 (arm_valid_type_attribute_p): New function: Return true if the
2523 attribute is a valid, arm specific, attribute.
2524 (arm_comp_type_attribute): New function: Return true if the
2525 two types have compatable, arm specific, attributes.
2527 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
2529 (FUNCTION_ARG): Redefine to call arm_function_arg.
2530 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
2532 (INIT_CUMULATIVE_ARGS): Redefine to call
2533 arm_init_cumulative_args.
2534 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
2536 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
2538 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
2540 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
2541 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
2542 (COMP_TYPE_ATTRIBUTES): Define.
2544 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
2545 if a long call is needed.
2546 (call_value): Call arm_is_long_call_p to decide if a long call
2548 (call_symbol): Call arm_is_long_call_p to decide if a long call
2551 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
2553 2000-02-11 Denis Chertykov <denisc@overta.ru>
2555 * README.AVR: New file with information about the avr ports.
2556 * config/avr: New directory with avr port files.
2558 2000-02-11 Andreas Jaeger <aj@suse.de>
2560 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
2562 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
2564 * cpphash.c: Fix formatting, update commentary.
2565 (dump_definition): Take three separate arguments instead of a
2566 MACRODEF structure argument.
2567 * cpphash.h: Update prototype of dump_definition.
2568 * cppinit.c (cpp_finish): Update call of dump_definition.
2570 * cpplib.c (do_define): Always create new hash entry with
2571 T_MACRO type. Remove redundant check for redefinition of
2572 poisoned identifier. Update call of dump_definition.
2573 (do_undef): Don't call check_macro_name. Rename sym_length to
2575 (do_error, do_warning): Don't use copy_rest_of_line or
2577 (do_warning): Don't use pedwarn for the actual warning,
2578 only the notice about its not being in the standard. (Fixes
2579 bug with #warning in system headers.)
2580 (do_ident): Stricter argument checking - accept only a single
2581 string after #ident. Also, macro-expand the line.
2582 (do_xifdef): Use cpp_defined. De-obfuscate.
2584 (do_pragma): Split out specific pragma handling to separate
2585 functions. Use get_directive_token. Update commentary. Do
2586 not pass on #pragma once or #pragma poison to the front end.
2587 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
2588 do_pragma_default): New.
2590 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
2592 * jump.c (jump_optimize_1): The first operand in a relational
2594 * optabs.c (emit_conditional_move): Handle relationals which
2595 have a known true/false result.
2597 2000-02-11 Geoff Keating <geoffk@cygnus.com>
2599 * function.c (thread_prologue_and_epilogue_insns): Don't insert
2600 a RETURN insn into a block which already ends with a jump.
2602 2000-02-11 Geoff Keating <geoffk@cygnus.com>
2604 * haifa-sched.c (BUF_LEN): Increase a lot.
2606 2000-02-11 Nick Clifton <nickc@cygnus.com>
2608 * configure.in: Add tm_p_file specification for thumb targets.
2609 * configure: Regenerate.
2611 * config/arm/thumb-protos.h: New file: Prototypes for exported
2612 functions defined in thumb.c.
2614 2000-02-11 Robert Lipe <robertl@sco.com>
2616 * Makefile.in (bootstrap-lean): Remove additional files.
2617 (bootstrap2-lean): Likewise.
2618 (VOL_FILES): List of files for above.
2620 2000-02-11 Nathan Sidwell <nathan@acm.org>
2622 * cpphash.c (special_symbol): Remove spurious argument to
2625 2000-02-11 Joel Sherrill (joel@OARcorp.com>
2627 * configure.in: (i*86-*-rtems*): Swapped elf and coff
2629 * configure: Rebuilt.
2631 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
2633 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
2635 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
2637 * pa.c, pa.h: Remove trigraph sequences within comments.
2639 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
2641 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
2643 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
2645 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
2647 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2649 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
2651 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2653 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
2654 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
2655 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
2656 (ASM_FILE_END): Use c4x_file_end.
2657 * config/c4x/c4x.c (c4x_global_label): New function.
2658 (c4x_external_ref, c4x_file_end): Likewise.
2660 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
2661 (c4x_external_ref, c4x_end_file): Likewise.
2663 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
2665 * cppexp.c: Don't include cpphash.h.
2666 (parse_charconst, cpp_lex): Use cpp_defined.
2667 (cpp_lex): Use get_directive_token throughout. Remove
2668 unnecessary cases from switch. Move assertion-handling code
2670 (cpp_parse_expr): If we see '+' or '-', check the context to
2671 determine if they are unary or binary operators. Streamline
2672 the jumps a bit. Do not call skip_rest_of_line.
2674 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
2675 static. Export get_directive_token. Update commentary.
2676 (cpp_defined): New function.
2677 (do_define): Remove reference to T_PCSTRING. Call
2678 free_definition to release memory for old definition, when
2680 (eval_if_expression): Set only_seen_white to 0 before calling
2681 cpp_parse_expr. Call skip_rest_of_line after it returns.
2682 (cpp_read_check_assertion): Don't preserve a pointer into the
2683 token buffer across a call to cpp_get_token.
2685 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
2686 * cppfiles.c (redundant_include_p): Use cpp_defined.
2687 * cpphash.c (free_definition): New function.
2688 (delete_macro): Use it. Update commentary.
2689 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
2691 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
2692 from enum node_type. Prototype cpp_defined and get_directive_token.
2693 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
2695 * fix-header.c (check_macro_names): Use cpp_defined.
2696 (read_scan_file): Set inhibit_warnings and inhibit_errors in
2697 the options structure.
2699 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2701 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
2703 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
2705 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
2706 rather than die->die_tag.
2708 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2710 * combine.c (make_extraction, force_to_mode): Avoid warning on
2711 mixed-signedness conditionals.
2712 (make_field_assignment, nonzero_bits): Likewise.
2713 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
2714 (store_split_bit_field, extract_split_bit_field): Likewise.
2715 (extract_fixed_bit_field, store_bit_field,
2716 * expr.c: Change alignment to be unsigned everywhere.
2717 (move_by_pieces, store_constructor_field, store_constructor):
2718 Alignment parm is unsigned.
2719 (emit_block_move, emit_group_load, emit_group_store): Likewise.
2720 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
2721 (do_compare_rtx_and_jump): Likewise.
2722 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
2723 Compare align with GET_MODE_ALIGNMENT.
2724 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
2725 (get_inner_reference): Likewise.
2726 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
2727 (expand_assignment): Local vars for alignment now unsigned.
2728 (store_constructor, store_field, expand_expr, do_jump): Likewise.
2729 (do_compare_and_jump): Likewise.
2730 (store_field): Call new function expr_align.
2731 * expr.h (emit_block_move, emit_group_load, emit_group_store):
2732 Alignment arg now unsigned.
2733 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
2734 (do_compare_rtx_and_jump, store_bit_field): Likewise.
2735 (extract_bit_field): Likewise.
2736 * fold-const.c (add_double): Add cast to eliminate signedness warning.
2737 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
2738 (get_best_mode): Alignment arg is unsigned.
2739 * rtl.h (move_by_pieces): Likewise.
2740 * store-layout.c (maximum_field_alignment, set_alignment):
2742 (layout_decl): Alignment arg is now unsigned.
2743 Remove unneeded casts.
2744 (layout_record, layout_union, layout_type): Remove unneeded casts.
2745 Local alignment variables now unsigned.
2746 (get_best_mode): Alignment arg now unsigned.
2747 * tree.c (expr_align): New function.
2748 * tree.h (expr_align): Likewise.
2749 (maximum_field_alignment, set_alignment): Now unsigned.
2750 (get_inner_reference): Alignment argument is now pointer to unsigned.
2751 * varasm.c (assemble_variable): Add cast to eliminate warning.
2753 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
2755 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
2756 then store directly into op0.
2758 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
2759 the CALL_INSN, and emit the note immediately after it.
2761 2000-02-10 Nick Clifton <nickc@cygnus.com>
2763 * config/arm/thumb.md (epilogue): Include a (return) in the
2764 generated insn, and emit it using emit_jump_insn not
2767 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
2769 * function.c (assign_temp): Change zero-sized arrays to size 1.
2770 * integrate.c (expand_inline_function): Do not update
2771 stack_alignment_needed
2772 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
2773 add some sanity checking, remove optimization for function with
2776 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2778 * flow.c (mark_regs_live_at_end): Delete unused variables.
2780 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
2782 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
2783 in macro FRAME_GROWS_DOWNWARD.
2785 * stmt.c (expand_end_bindings): Delete unused variable.
2787 * unroll.c (iteration_info): Mark parameter `loop' with
2790 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2792 * fixinc/server.c (load_data): Return NULL if the marker line is
2794 (run_shell): If load_data returns NULL, retry the command once, in
2797 * configure: Rebuilt.
2799 2000-02-09 Bruce Korb <bkorb@gnu.org>
2801 * gcc/fixincludes: ** DELETED **
2802 * gcc/fixcpp: ** DELETED **
2803 * gcc/fixinc-nt.sed: ** DELETED **
2804 * gcc/just-fixinc: ** DELETED **
2805 * gcc/Makefile.in: Removed out-dated commentary
2806 * gcc/configure.in: Removed fast-fixincludes disablement.
2807 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
2809 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
2810 * function.c (thread_prologue_and_epilogue_insns): Uncomment
2813 2000-02-09 Richard Henderson <rth@cygnus.com>
2815 * jump.c (delete_insn): Don't delete user labels at -O0.
2817 2000-02-09 Robert Lipe <robertl@sco.com>
2819 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
2820 Don't link with HOST_LIBS.
2822 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
2824 * configure.in: Correct --help text for --with-dwarf2.
2825 Put tm-dwarf2.h after other tm files, if it's requested.
2826 * configure: Regenerate.
2827 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
2830 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
2832 * cpplib.h: Provide HASHNODE typedef and forward decl of
2833 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
2834 DEFINITION, struct hashnode, struct macrodef, struct
2835 definition, scan_decls prototype, default defn of
2836 INCLUDE_LEN_FUDGE moved elsewhere.
2838 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
2839 definition, and struct hashnode moved here. Remove the unused
2840 'predefined' field from struct definition. Replace the 'args'
2841 union with its sole member. All users updated (cpphash.c).
2842 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
2843 multiple include guard.
2845 * cpphash.c (hashf): Make static; use better algorithm; drop
2846 HASHSIZE parameter; return an unsigned int.
2847 (cpp_lookup): Drop HASH parameter. PFILE parameter is
2848 used. Calculate HASHSIZE modulus here.
2849 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
2851 (create_definition): Drop PREDEFINITION parameter.
2852 * cpplib.c (do_define): Don't calculate a hash value here.
2853 Don't pass (keyword == NULL) to create_definition.
2855 * scan.h: Prototype scan_decls here.
2856 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
2857 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
2858 callers of cpp_lookup and cpp_install updated.
2860 * cpphash.c (macarg): Hoist all the flag diddling out of the
2862 (macroexpand): ... and out of the loop that calls macarg.
2863 Skip over the initial paren before macro arguments with
2864 cpp_get_non_space_token; point may be some distance before
2865 that paren. Abort if it's not there.
2867 * cpplib.c (parse_clear_mark): Delete function.
2868 (parse_set_mark, parse_goto_mark): Make static.
2869 (ACTIVE_MARK_P): New macro.
2870 (skip_block_comment, skip_line_comment): Do not bump the line
2871 if ACTIVE_MARK_P is true.
2872 (cpp_pop_buffer): The buffer to be popped may not have an
2874 (cpp_get_token): When looking for the initial paren before
2875 macro arguments, only set a mark in a file buffer, Always
2876 return to that mark before proceeding to call macroexpand or
2877 return a NAME token.
2879 * cpplib.h: Remove prototypes of parse_set_mark,
2880 parse_clear_mark, parse_goto_mark.
2881 (struct cpp_options): Rename 'put_out_comments' to
2882 'discard_comments' and invert its sense.
2883 * cppinit.c, cpphash.c, cpplib.c: All users of
2884 put_out_comments changed to use discard_comments, with
2887 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
2889 * function.c (thread_prologue_and_epilogue_insns): Don't delete
2890 the edge from a block that both jumps and falls through to the
2893 2000-02-09 Scott Bambrough <scottb@netwinder.org>
2895 * config/arm/arm.md (movsi): In PIC mode, make sure that a
2896 constant source address is legitimate.
2898 2000-02-09 Philip Blundell <pb@futuretv.com>
2900 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
2903 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
2905 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
2907 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
2909 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
2910 ends with a newline and a NUL. Don't be so clever manipulating
2913 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
2915 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
2916 not to BIGGEST_ALIGNMENT.
2918 2000-02-08 Geoff Keating <geoffk@cygnus.com>
2920 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
2921 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
2922 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
2923 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
2924 * frame.c (execute_cfa_insn): Handle
2925 DW_CFA_GNU_negative_offset_extended.
2927 2000-02-08 Richard Henderson <rth@cygnus.com>
2929 * flow.c (tidy_fallthru_edges): Split out from ...
2930 (delete_unreachable_blocks): ... here.
2931 (find_basic_blocks): Use it.
2933 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2935 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
2937 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
2939 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
2940 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
2941 (fix-header.o): Don't depend on cpphash.h.
2943 * scan.c (hashstr): New function.
2944 * scan.h: Prototype it.
2945 * fix-header.c: Don't include cpphash.h. Use hashstr.
2946 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
2947 hashstr. Report hash table statistics. Add private
2948 definition of xrealloc.
2950 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2952 * i386.h (TARGET_SWITCHES): Fix typo in option name.
2954 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
2956 * function.c (thread_prologue_and_epilogue_insns): Don't replace
2957 jumps with returns unless they are jumps to the fallthru block.
2959 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
2961 * i386.md (addqi3_cc): Fix contraints.
2963 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
2965 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
2967 2000-02-07 Mark Mitchell <mark@codesourcery.com>
2969 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
2970 carriage return after a macro name.
2972 2000-02-07 Fred Fish <fnf@be.com>
2974 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
2975 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
2977 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
2979 * cppfiles.c (deps_output): Count spacers in deps_column.
2981 2000-02-07 Neil Booth <NeilB@earthling.net>
2983 * cppinit.c (initialize_dependency_output): If there is no
2984 suffix, don't try to look for known suffixes. Use strrchr.
2985 (cpp_start_read): Remove duplicate initialization.
2987 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
2989 * calls.c (compute_argument_block_size): New argument
2990 preferred_stack_boundary.
2991 (expand_call): update cfun->preferred_stack_boundary, update call of
2992 compute_argument_block_size
2993 (emit_library_call): Increate cfun->preferred_stack_boundary
2994 to PREFERRED_STACK_BOUNDARY
2995 (emit_library_call_value): Likewise.
2996 * explow.c (allocate_dynamic_stack_spave): Likewise.
2997 * function.c (prepare_function_start): Set
2998 cfun->preferred_stack_boundary
2999 * function.h (struct function): Add preferred_stack_boundary field.
3000 * integrate.c (expand_inline_function): Update
3001 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
3002 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
3003 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
3005 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
3007 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
3008 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
3009 cpp_pedwarn, cpp_pedwarn_with_line,
3010 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
3011 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
3012 v_cpp_error_with_line, v_cpp_warning_with_line,
3013 cpp_message_from_errno, cpp_perror_with_name): Delete.
3015 * cpperror.c (cpp_print_containing_files): Take starting
3017 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
3018 (v_cpp_message): Now called directly by all entry points.
3020 (cpp_pfatal_with_name, cpp_message): Delete.
3021 (cpp_notice_from_errno, cpp_ice): New functions.
3022 (cpp_notice): Is now for reporting error conditions, just
3023 without an associated file.
3024 (cpp_error, cpp_error_with_line): Don't do anything if
3025 opts->inhibit_errors is on.
3026 (cpp_pedwarn_with_file_and_line): Take column argument also.
3028 * cpplib.h: Update prototypes of exported functions.
3029 (struct cpp_options): Add inhibit_errors.
3031 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
3032 non-error messages. Include intl.h.
3034 * cppinit.c, cppmain.c: Likewise. Also, use
3035 cpp_notice_from_errno instead of cpp_perror_with_name or
3036 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
3038 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
3039 report internal errors.
3041 * cpplib.c (do_define): Switch bcopy to memcpy.
3042 Give cpp_pedwarn_with_file_and_line a dummy column argument.
3044 * cpplib.c (copy_rest_of_line): Revert previous change: don't
3045 bail out early if we hit a line comment.
3047 2000-02-06 Richard Henderson <rth@cygnus.com>
3049 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
3050 * basic-block.h: Declare them.
3051 * emit-rtl.h (active_insn_p): New.
3052 (next_active_insn, prev_active_insn): Use it.
3053 * rtl.h: Declare it.
3054 * function.c (emit_return_into_block): New.
3055 (thread_prologue_and_epilogue_insns): Insert return insns instead
3056 of epilogues when possible.
3057 * jump.c (jump_optimize_1): Remove code to insert a return insn
3058 on the fallthru to the exit block.
3060 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
3061 and for non-empty stack frames.
3062 * i386.md (return): Expand to return-pop as needed.
3064 2000-02-06 Richard Henderson <rth@cygnus.com>
3066 * simplify-rtx.c (simplify_relational_operation): Canonicalize
3067 constant to op1 for testing.
3069 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3071 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
3072 (fixuns_truncqfqi2): Use it.
3074 2000-02-06 Richard Henderson <rth@cygnus.com>
3076 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
3079 * i386.md (widening and peepholes): Mask the constant instead of
3082 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3084 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
3085 input pointer before possibly branching off to the backslash
3087 * cpphash.c (macroexpand): Correctly delete \r escapes when
3088 stringifying parameters.
3089 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
3090 if we can; bail out early if we hit a line comment.
3091 (handle_directive): Treat '# 123' in an .S file just like
3092 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
3093 Return 1 for '# not_a_directive'.
3094 (get_directive_token): Pop macro buffers here, so that
3095 cpp_get_token can't sneakily move past a newline.
3097 (cpp_get_token): goto randomchar if handle_directive returns 0.
3099 * cppalloc.c: Update copyright.
3100 * cpplib.c: Merge all the static function prototypes into one
3102 * cpplib.h: Remove #if 0 block.
3104 * cpperror.c: Remove #ifdef EMACS block.
3105 * cppmain.c: Likewise.
3106 * cpphash.c: Remove #if 0 blocks.
3107 * cppinit.c: Remove #if 0 blocks, and the -lint option.
3108 * cpplib.c: Remove #if 0 blocks and code referencing
3109 pcp_inside_if or for_lint. Remove duplicate error message.
3110 Fix error messages for #else after #else or #elif. Reformat.
3111 Remove archaic TODO list.
3112 * cpplib.h: Remove pcp_inside_if and for_lint flags.
3114 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3116 * i386/osf1elf.h: Add missing backslash to multiline string.
3118 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3120 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
3122 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3124 * Makefile.in (c-common.o): Depend on $(EXPR_H).
3126 * c-common.c: Include expr.h.
3128 * c-pragma.c (mark_align_stack): Add prototype.
3130 * caller-save.c (add_stored_regs): Likewise.
3132 * combine.c (record_promoted_value): Likewise.
3134 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
3137 * cppinit.c (new_pending_define): Likewise.
3139 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
3141 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
3142 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
3143 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
3144 class_scope_p): Likewise.
3146 * dwarf2out.h (dwarf2out_set_demangle_name_func,
3147 dwarf2out_add_library_unit_info): Likewise.
3149 * ggc.h (ggc_page_print_statistics): Likewise.
3151 * haifa-sched.c (propagate_deps): Likewise.
3153 * reg-stack.c (next_flags_user, record_label_references): Likewise.
3155 * rtl.h (set_stack_check_libfunc): Likewise.
3157 * toplev.h (set_fatal_function): Likewise.
3159 * toplev.c (set_fatal_function): Delete prototype.
3161 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
3163 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3165 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
3166 (FUNC_END): Likewise.
3168 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3170 * caller-save.c: Include tm_p.h.
3172 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3174 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
3176 2000-02-04 Neil Booth <NeilB@earthling.net>
3178 * cccp.c (main): Check 'dir' for a NULL pointer before passing
3181 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
3183 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
3184 * genflags.c: Use the max_operand_1 logic from genemit.c to
3185 calculate how many arguments gen_insn prototypes have. Remove
3186 NO_MD_PROTOTYPES ifdefs from the generated file.
3187 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
3188 file. Cast gen_insn initializers to insn_gen_fn.
3189 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
3190 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
3192 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3194 * fixinc/Makefile.in (HDR): Add machname.h.
3197 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3199 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
3200 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
3201 (c4x_cpu_version): Ditto.
3202 * config/c4x/c4x-protos.h: ... here.
3204 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
3206 * dwarf2out.c (add_abstract_origin_attribute): Don't call
3207 gen_abstract_function on our context if we're a nested function.
3209 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3211 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
3212 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
3214 2000-02-04 Bruce Korb <bkorb@gnu.org>
3216 * fixinc/genfixes(machname.h):
3217 Move the functionality from gen-machine.h into this file.
3218 UNdef MN_NAME_PAT if there are no names to change.
3219 Also, be a little kinder when AutoGen is not present.
3221 * fixinc/Makefile.in(machname.h):
3222 Change the generation rule to use genfixes.
3224 * fixinc/fixfixes.c(machine_name):
3225 machine_name_fix's functionality now dependent upon whether
3226 MN_NAME_PAT is defined.
3228 * fixinc/fixtests.c(machine_name):
3231 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
3234 * fixinc/fixlib.h(mn_get_regexps):
3237 * fixinc/gen-machine.h: DELETED
3239 2000-02-04 Jan Hubicka <jh@suse.cz>
3240 Richard Henderson <rth@cygnus.com>
3242 * i386.c (SAVE_REGS_FIRST): Remove.
3243 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
3244 (ix86_compute_frame_size): Likewise.
3245 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
3246 (ix86_emit_restore_regs): Remove.
3247 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
3248 when a frame pointer is in use.
3249 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
3250 instead of pop to restore a register when profitable; emit leave
3252 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
3254 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
3255 * i386.md (prologue_allocate_stack): Remove.
3256 (epilogue_deallocate_stack): Remove.
3257 (pro_epilogue_adjust_stack): New.
3259 2000-02-04 Richard Henderson <rth@cygnus.com>
3261 * function.c (diddle_return_value): Rework to use a callback function.
3262 Use current_function_return_rtx if it's been set up.
3263 (do_clobber_return_reg, clobber_return_register): New.
3264 (do_use_return_reg, use_return_register): New.
3265 (expand_function_end): Use them.
3266 * stmt.c (expand_null_return): Likewise.
3267 * function.h: Declare them.
3268 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
3269 (mark_reg): Change arguments as appropriate for callback.
3270 * integrate.c (expand_inline_function): Revert 19 Jan change.
3272 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
3274 * tm.texi (Values in Registers): Fix typo: "fo" "for".
3275 (Misc): Say the scheduler, not the Haifa scheduler.
3277 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
3279 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
3280 when in_mem is set. Update all callers.
3282 2000-02-04 Richard Henderson <rth@cygnus.com>
3284 * i386/openbsd.h (INT_ASM_OP): Define.
3286 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
3288 * tm.texi: Fix various typos.
3290 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
3292 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
3293 (MD_STARTFILE_PREFIX_1): New macro.
3295 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
3297 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
3298 destination when needed.
3299 (strmovsi, strsetsi): New expander.
3300 (strmovsi_1, strsetsi_1): New pattern.
3301 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
3302 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
3303 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
3304 * invoke.texi (align-stringops, inline-all-stringops): Document.
3306 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
3308 * i386/netbsd.h (INT_ASM_OP): Define.
3310 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
3312 * cpplib.h (cpp_reader): Add new flag, no_directives.
3313 * cpphash.c (macarg): Set it.
3314 * cpplib.c (handle_directive): If no_directives is on and we
3315 find a directive, issue an error and discard the line.
3317 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
3319 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
3320 FP constants. Add ! TARGET_FPU check for FP constants.
3322 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
3324 * flow.c (find_basic_blocks): Don't kill label_value_list
3326 (cleanup_cfg): Kill it here.
3328 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3330 * expr.c (store_field): Ensure ALIGN is no stricter than the
3333 2000-02-02 Richard Henderson <rth@cygnus.com>
3335 * jump.c (delete_insn): Partially revert 19 Jan change;
3336 don't convert unused code labels to notes at -O0.
3338 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3340 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
3341 split_all_insns to recreate REG_LABEL notes for flow2 pass.
3343 2000-02-01 Richard Henderson <rth@cygnus.com>
3345 * i386.c (general_no_elim_operand): New.
3346 (nonmemory_no_elim_operand): New.
3347 (ix86_expand_move): Copy eliminable operands before a push.
3348 * i386-protos.h: Declare new functions.
3349 * i386.h (CAN_ELIMINATE): Simplify.
3350 (PREDICATE_CODES): Update.
3351 * i386.md (push insns): Don't allow eliminable register operands.
3353 2000-02-01 Richard Henderson <rth@cygnus.com>
3355 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
3356 replace BLKmode with DECL_RTL's mode.
3358 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
3360 * frame.c (find_fde): Convert for loop to do-while so compiler
3361 sees it's always executed at least once.
3362 * libgcc2.c (BBINBUFSIZE): Kill.
3363 (__bb_init_prg): Use fgets.
3364 (__bb_exit_trace_func): Don't paste strings.
3365 * unroll.c (unroll_loop): Initialize unroll_type, not
3366 unroll_number, and tweak logic to match.
3368 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
3370 (ix86_flags_dependant): Likewise. Disentangle control flow.
3371 (ix86_sched_reorder): Break guts out to
3372 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
3373 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
3376 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
3377 use string concatenation. Don't save and restore esi.
3379 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
3380 (machname.h): Remove script to separate file. Use two-step
3381 sequence so target is not created if script fails.
3382 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
3383 identifiers are defined.
3384 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
3385 an empty string, machine_name doesn't need to do anything at
3387 (is_cxx_header): Add more cases to regexp.
3388 * fixinc/fixlib.h: Update prototype.
3389 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
3391 * fixinc/fixincl.c: Define NO_BOGOSITY.
3393 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
3394 (hp_sysfile): Add missing comma.
3395 (math_exception): Put the wrapper ifdefs at the beginning and
3396 the end of the file.
3397 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
3399 2000-02-01 Richard Henderson <rth@cygnus.com>
3401 * sparc.c (fp_zero_operand): Turn into a normal predicate.
3402 Use CONST0_RTX. Update all callers.
3403 * sparc.h, sparc-protos.h: Update accordingly.
3404 * sparc.md (fp mov insns): Use fp_zero_operand directly
3407 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3409 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
3412 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3414 * Makefile.in (specs.ready): New target.
3415 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
3417 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3419 * fixinc.irix: Use unique filenames for writing into /tmp,
3420 * fixinc.ptx: Likewise.
3421 * fixinc.sco: Likewise.
3422 * fixinc.svr4: Likewise.
3423 * fixinc.winnt: Likewise.
3425 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3427 * tsystem.h: New file.
3429 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
3430 s-crtS): Depend on tsystem.h.
3432 * crtstuff.c: Include tsystem.h.
3433 * frame.c: Likewise.
3434 * libgcc2.c: Likewise.
3436 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
3438 * builtins.c (expand_builtin_memset): Expand for variable sized
3441 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
3443 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
3446 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3448 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
3450 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
3452 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
3454 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
3455 case 3->2 combining (combining with splitting) in which 2 is CC0
3456 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
3457 checked at the begining of the function with the aid of calling
3458 function 'can_combine_p'.
3460 2000-01-31 Dave Brolley <brolley@redhat.com>
3462 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
3464 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
3466 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
3469 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3471 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
3473 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
3476 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
3478 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
3479 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
3480 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
3481 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
3482 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
3483 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
3484 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
3485 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
3486 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
3487 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
3489 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
3490 Add %(cpp_cpu) to CPP_SPEC.
3492 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
3493 Add %(cc1_cpu) to CC1_SPEC.
3495 2000-01-28 Ulrich Drepper <drepper@redhat.com>
3497 * c-decl.c (c_decode_option): Accept optional numeric argument to
3498 -Wformat and set warn_format.
3499 * c-common.c: Don't emit warning about non-constant printf format
3500 string unless warn_format > 1.
3502 2000-01-30 Richard Henderson <rth@cygnus.com>
3504 * alpha.md (return_internal): Allow after reload only.
3506 2000-01-30 Richard Henderson <rth@cygnus.com>
3508 * i386.c (ix86_compute_frame_size): Omit padding1 if the
3509 local frame size is zero.
3511 2000-01-30 Richard Henderson <rth@cygnus.com>
3513 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
3514 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
3515 * alpha.md (return): Turn into an expander.
3516 (return_internal): Don't use $26.
3517 (epilogue): Emit the return insn.
3519 2000-01-30 Richard Henderson <rth@cygnus.com>
3521 * alpha.md (negtf2, abstf2): Fix word order thinko.
3523 (trunctfsf2): Avoid intermediate rounding errors.
3525 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
3527 * cppfiles.c (find_position): Drop 'colp' argument, return the
3529 (read_and_prescan): Adjust to match. Don't ever manipulate
3530 line or line_base except via find_position.
3532 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
3534 * c-parse.in: Apply Ulrich's changes from c-parse.y.
3535 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
3538 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
3540 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
3541 just print "<command line>". If 'filename' is null or an
3542 empty string, print "<stdin>" for the filename.
3543 * cpplib.c (do_define): Don't print the 'location of the
3544 previous definition' message if we're still parsing the
3546 (cpp_pedwarn_with_file_and_line): Always call
3547 cpp_file_line_for_message.
3549 2000-01-29 Mark Mitchell <mark@codesourcery.com>
3551 * flow.c (mark_regs_live_at_end): Fix typo.
3553 2000-01-28 Ulrich Drepper <drepper@redhat.com>
3555 * c-common.c: Adjust variable names, comments, help strings to c99.
3556 * c-lex.c: Likewise.
3557 * c-parse.y: Likewise.
3558 * c-tree.h: Likewise.
3560 * cpplib.h: Likewise.
3561 * c-decl.c: Likewise. Recognize options with names "*99" as well.
3562 * cppinit.c: Likewise.
3564 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3566 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
3567 * c4x.c: Define the optab rtx values.
3568 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
3569 (c4x_emit_libcall): Use new optab rtx values.
3570 (c4x_emit_libcall3): Likewise.
3571 (c4x_emit_libcall_mulhi): Likewise.
3572 * c4x-protos.h: Add prototypes for optab rtx values and change
3573 prototypes for above c4x_emit_libcall functions.
3575 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3577 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
3579 (c4x_function_prologue): Use regnames intead of float_reg_names when
3581 (c4x_function_epilogue): Likewise.
3582 (c4x_print_operand): Likewise.
3583 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
3584 * c4x.md (set_high): Disable for TARGET_TI.
3586 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3588 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
3589 of framepointer + constant to ADDR_REGS class.
3590 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
3591 * c4x.c (std_or_reg_operand): New function.
3592 * c4x-protos.h (std_or_reg_operand): Prototype it.
3594 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3596 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
3597 object names as libgcc2.c.
3598 * libgcc.S: Use newly defined names.
3600 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
3601 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
3603 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
3604 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
3605 (FLOW_LOOP_LAST_BLOCK): Likewise.
3607 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3609 * basic-block.h (struct loop): New fields 'first' and 'last'.
3610 * flow.c (flow_loops_find): Compute loop->first and loop->last.
3611 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
3612 and loop->last to check for NOTE_INSN_LOOP_END.
3614 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
3616 * predict.c (estimate_probability): Use the new FIRST and LAST fields
3617 of the loop descriptor rather than HEADER and LATCH. Also added
3618 missing break statements as well making some coding style modifications
3619 as suggested by Michael Hayes.
3621 2000-01-28 Richard Henderson <rth@cygnus.com>
3623 * flow.c (find_basic_blocks): Remove do_cleanup argument.
3624 Break out that code ...
3625 (cleanup_cfg): ... here.
3626 (commit_one_edge_insertion): Detect a return instruction being
3627 emitted to an edge. Emit a barrier following; clear fallthru.
3628 (commit_edge_insertions): Verify CFG consistency.
3629 * function.c (expand_function_start): Kill unused variable.
3630 (expand_function_end): Likewise.
3631 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
3632 to insert the epilogue.
3634 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
3635 (delete_null_pointer_checks): Likewise.
3636 * output.h: Likewise.
3637 * reg-stack.c (reg_to_stack): Likewise.
3638 * toplev.c (rest_of_compilation): Likewise. Run
3639 thread_prologue_and_epilogue_insns after rebuilding the CFG.
3641 2000-01-28 Richard Henderson <rth@cygnus.com>
3643 * Makefile.in (flow.o): Revert 24 Jan change.
3644 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
3645 FUNCTION_VALUE result to DECL_RESULT's mode.
3647 * haifa-sched.c (schedule_insns): Don't recompute reg info
3650 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
3652 * configure.in: Make --enable-cpplib the default.
3653 * configure: Regenerate.
3654 * gcc.dg/990119-1.c: No longer expected to fail.
3656 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
3658 * jump.c (jump_optimize_1): Delete an optimization that is also done
3659 by merge_blocks in flow.
3661 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3663 * diagnostic.c (build_message_string, output_printf,
3664 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
3665 (build_location_prefix): Fix non-literal format string.
3667 2000-01-27 Richard Henderson <rth@cygnus.com>
3669 * alpha.md (trunctfsf2): New.
3671 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
3673 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
3675 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
3677 * cppinit.c (cpp_handle_option): Recognize C++ comments under
3679 * cpplib.c (skip_block_comment, skip_line_comment): Split code
3681 (skip_comment) ... here. Permit C++ comments in system
3682 headers always. Warn about C++ comments in user code under
3683 -std=gnu89 -pedantic.
3684 (copy_comment): Use skip_comment.
3685 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
3687 (consider_directive_while_skipping, do_else, do_endif): Call
3688 validate_else unconditionally.
3689 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
3690 text after the conditional in a system header.
3691 * cpplib.h (struct cpp_buffer): Add flag
3692 warned_cplusplus_comments.
3694 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
3696 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
3697 Use unshare_all_rtl_1.
3698 (unshare_all_rtl_again): New function.
3699 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
3701 * function.c (purge_addressof_1): Use unshare_all_rtl_again
3702 rather than resetting the 'used' flags ourself.
3704 * toplev.c (rest_of_compilation): Add current_function_decl
3705 to the unshare_all_rtl call.
3706 * tree.h: Prototype unshare_all_rtl.
3707 * rtl.h: Prototype unshare_all_rtl_again here.
3709 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
3711 * genoutput.c (output_prologue): Include ggc.h in generated
3713 * Makefile.in (insn-output.o): Depends on ggc.h.
3715 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
3716 Hans-Peter Nilsson <hp@bitrange.com>
3718 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
3719 Remove redundant include of xm-ns32k.h.
3720 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
3721 Remove redundant include of xm-ns32k.h.
3722 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
3723 Remove redundant include of xm-ns32k.h.
3724 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
3726 * ns32k/ns32k.h: Update comment on multiply-add instructions.
3727 (TARGET_SWITCHES): Add documentation strings.
3728 (DWARF_FRAME_REGNUM): Override default definition.
3729 (REG_CLASS_CONTENTS): Add comments.
3730 (SUBSET_P): Format to reduce line length.
3731 (SMALL_REGISTER_CLASSES): Make a run time option.
3732 (GO_IF_NONINDEXED_ADDRESS): Reformat.
3733 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
3734 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
3735 (regclass_map): fix typo in comment.
3736 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
3737 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
3738 (trace, reg_or_mem_operand): Delete, unused function.
3739 (calc_address_cost): Small offsets are cheaper than large ones.
3740 (expand_block_move): Generate more efficient code when bytes is a
3741 known at compile time.
3742 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
3743 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
3744 instead of reg_or_mem_operand.
3746 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
3747 not general_operand. Similarly use "=rm" or stricter, not "=g".
3748 For input operands, use stricter constraints than "g" if not
3749 general_operand. Similarly use stricter predicate than
3750 "general_operand" when stricter constraints than "g" are present,
3751 except for matching constraints.
3752 (movstrsi): Use "memory_operand" for operands 0 and 1.
3753 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
3754 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
3755 not reg_or_mem_operand.
3756 (udivmoddisi4): Ditto.
3757 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
3758 Use nonimmediate_operand for operand 3, not register_operand.
3759 (udivmoddiqi4_internal): Use register_operand for operand 1, not
3762 2000-01-27 Fred Fish <fnf@be.com>
3764 * gthr-posix.h: Fix typo; compatibily -> compatibility.
3765 * gthr-single.h: Likewise.
3766 * gthr-solaris.h: Likewise.
3767 * gthr-vxworks.h: Likewise.
3768 * gthr-win32.h: Likewise.
3771 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
3773 * cppinit.c: Add " (cpplib)" to end of string printed by
3776 2000-01-27 Richard Henderson <rth@cygnus.com>
3778 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
3779 testing for a signed comparison.
3780 (alpha_emit_floatuns): New.
3781 * alpha-protos.h: Declare it.
3782 * alpha.md (floatunsdisf2, floatunsdidf2): New.
3783 (extendsfdf2): Tidy.
3785 2000-01-27 Jakub Jelinek <jakub@redhat.com>
3787 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
3788 no -g option specifying debugging format, default to -gstabs+.
3790 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3792 * calls.c (special_function_p): New argument fork_or_exec.
3793 (expand_call): When profile_arc_flag is set and the function
3794 is in the fork_or_exec group, call __bb_fork_func first.
3795 * libgcc2.c, _bb module (__bb_fork_func): New function.
3796 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
3798 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
3799 * tree.h (special_function_p): Update prototype.
3801 2000-01-26 Richard Henderson <rth@cygnus.com>
3803 * alpha.c (alpha_split_tfmode_pair): New.
3804 * alpha-protos.h: Declare it.
3805 * alpha.md (abstf2, negtf2): New.
3806 (movtf insn): Add input G constraint.
3807 (movtf splitter): Use alpha_split_tfmode_pair.
3809 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3811 * i386/cygwin.h: PROTO -> PARAMS.
3813 2000-01-26 Jakub Jelinek <jakub@redhat.com>
3815 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
3816 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
3817 using _Qp_cmp/_Q_cmp and testing the return value.
3818 (print_operand): Call reverse_condition_maybe_unordered if
3819 we are handling CCFPmode or CCFPEmode.
3820 Handle ORDERED, UN* and LTGT comparisons.
3821 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
3822 if not TARGET_HARD_QUAD.
3823 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
3824 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
3825 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
3826 Adjust gen_b* calls so that they reflect return comparison of
3827 sparc_emit_float_lib_cmp.
3829 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3831 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
3832 incoming operands array is large enough for one more operand.
3833 (alpha_emit_xfloating_arith): Likewise.
3835 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
3837 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
3838 file with one line and no trailing newline.
3839 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
3840 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
3841 checking if the match is on the line.
3842 * fixinc/gnu-regex.c: Provide regerror not __regerror.
3844 2000-01-25 Richard Henderson <rth@cygnus.com>
3846 * sparc.c (output_cbranch): Fix accidental squashing of the
3847 fp branch pre-delay nop.
3849 2000-01-25 Richard Henderson <rth@cygnus.com>
3851 * tree.def (UNNE_EXPR): Remove.
3852 * c-typeck.c (build_binary_op): Don't handle it.
3853 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
3855 * rtl.def (UNNE): Remove.
3857 * jump.c (reverse_condition): Update accordingly.
3858 (swap_condition): Likewise.
3859 (comparison_dominates_p): Handle unordered comparisons.
3860 (reverse_condition_maybe_unordered): New.
3861 * rtl.h (reverse_condition_maybe_unordered): Declare.
3863 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
3864 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
3865 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
3866 * sparc.md (bltgt): New.
3868 2000-01-25 Nick Clifton <nickc@redhat.com>
3870 * emit-rtl.c (emit_insn): Only check machine class insns for
3871 improper emission of a RETURN.
3873 2000-01-25 Richard Henderson <rth@cygnus.com>
3875 * Makefile.in (flow.o): Depend on $(EXPR_H).
3876 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
3877 duplicate the structure of diddle_return_value for keeping regs live.
3879 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3881 * loop.c (current_loop_info): Delete.
3882 (consec_sets_invariant_p): Add loop argument, update callers.
3883 (get_condition_for_loop): Likewise.
3884 (count_nonfixed_reads, update_giv_derive): Likewise.
3885 (simplify_giv_expr, general_induction_var): Likewise.
3886 (consec_sets_giv, recombine_givs): Likewise.
3887 (move_movables): Delete loop_start and loop_end arguments,
3888 add loop argument, and update callers.
3889 (find_mem_givs, check_final_value): Likewise.
3890 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
3891 (loop_invariant_p): Rename from invariant_p, add loop argument, and
3893 (basic_induction_var): Add loop argument, delete loop_level argument,
3895 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
3896 add loop argument, and update callers.
3897 (find_splittable_regs, find_splittable_givs): Likewise.
3898 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
3899 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
3900 (biv_total_increment): Delete loop_start and loop_end arguments;
3902 (precondition_loop_p): Delete loop_start and loop_info arguments;
3904 * loop.h (get_condition_for_loop): Add loop argument.
3905 (biv_total_increment): Delete loop_start and loop_end arguments.
3906 (precondition_loop_p): Delete loop_start and loop_info arguments;
3908 (final_biv_value): Delete loop_start and loop_end arguments;
3910 (final_giv_value, back_branch_in_range_p): Likewise.
3912 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
3914 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
3916 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
3918 * Makefile.in (c-gperf.h) : Change the "See" pointer to
3919 point to the new "generated_files" doc.
3921 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
3923 * config/fp-bit.c (_unord_f2): Fix typo.
3925 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
3927 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
3928 c-typeck.c, objc/objc-act.c: Remove all references to obstack
3929 functions obsoleted by GC, such as push_obstacks_nochange,
3930 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
3931 and code which existed only to decide whether or not to call
3932 them. Remove now-unused NESTED argument from start_function;
3933 all callers changed. Do not change behavior based on ggc_p.
3934 The use of the ixp_obstack in c-iterate.c and the util_obstack
3935 in objc/objc-act.c remain; these are not obsoleted by garbage
3937 * c-tree.h: Update prototype for start_function.
3939 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
3941 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
3943 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
3946 2000-01-25 Richard Henderson <rth@cygnus.com>
3948 * sparc-protos.h (select_cc_mode): Declare.
3949 * sparc.c (select_cc_mode): New. Handle unordered compares.
3950 (output_cbranch): Always reverse via code change. Handle
3951 unordered compares. Factor tests and string updates.
3952 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
3953 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
3954 * sparc.md (bunordered, bordered): New.
3955 (bungt, bunlt, buneq, bunge, bunle): New.
3957 2000-01-25 Richard Henderson <rth@cygnus.com>
3959 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
3960 * ggc-common.c (ggc_add_rtx_varray_root): New.
3961 (ggc_mark_rtx_varray): New.
3962 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
3963 functions down below ggc_mark_foo.
3964 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
3966 2000-01-25 Richard Henderson <rth@cygnus.com>
3968 * alpha.c (secondary_reload_class): Don't allocate a secondary
3969 for integral mode memories into FLOAT_REGS. Rearrange the more
3970 complicated memory expression inward.
3972 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
3974 * inclhack.def: Fixes to play nicer with FreeBSD, and
3975 corrections to comments.
3976 (cxx_unready): Add select expression.
3977 (irix_sockaddr): Add bypass expression.
3978 (machine_ansi_h_va_list): New fix.
3979 (stdio_va_list): No need to edit _BSD_VA_LIST_.
3980 Split out addition of "#include <stdarg.h>" to...
3981 (stdio_stdarg_h): ... here.
3982 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
3983 to stdlib.h also. Do not munge _BSD_SIZE_T_.
3984 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
3986 (ultrix_ifdef): Tighten up select expression.
3988 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
3989 re_ct and max_mach to avoid use of shell. Make printed names
3990 match names in inclhack.def. Use static copyright date.
3991 Don't count c_test and test expressions as requiring regex_t
3992 slots. Add some commentary.
3993 * inclhack.tpl: Do not include the 'This script contains N
3994 fixup scripts' line if PROGRAM is defined. Use static
3997 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
3999 * dwarf2out.c: include "varray.h", not dyn-string.h.
4000 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
4001 (addr_const_to_string, addr_to_string): Lose.
4002 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
4003 (struct dw_val_struct): val_addr is now an rtx.
4004 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
4005 (used_rtx_varray): New varray.
4006 (dwarf2out_init): Initialize it.
4008 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
4010 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
4011 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
4012 * Makefile.in (dwarf2out.o): Update dependencies.
4014 2000-01-24 Richard Henderson <rth@cygnus.com>
4016 * i386.c (i386_dwarf_output_addr_const): New.
4017 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
4019 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
4021 * dwarfout.c (output_mem_loc_descriptor): Likewise.
4022 * i386.c (i386_simplify_dwarf_addr): New.
4023 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
4025 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
4027 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
4028 TYPE_STUB_DECL is NULL.
4030 2000-01-24 Richard Henderson <rth@cygnus.com>
4032 * builtins.c (expand_tree_builtin): Move ...
4033 * c-common.c (expand_tree_builtin): ... here.
4035 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4037 * loop.h (LOOP_INFO): New accessor macro.
4038 * basic-block.h (struct loop): Rename field `info' to `aux'.
4039 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
4040 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
4041 * unroll.c (loop_iterations, unroll_loop): Likewise.
4043 2000-01-24 Christopher Faylor <cgf@cygnus.com>
4045 * config/i386/t-cygwin: Accomodate new winsup directory layout
4046 when searching for include files.
4048 2000-01-24 Richard Henderson <rth@cygnus.com>
4050 * rtl.def: Add unordered fp comparisions.
4051 * tree.def: Likewise.
4052 * tree.h: Add ISO C 9x unordered fp comparision builtins.
4054 * builtins.c (expand_tree_builtin): New function.
4055 * c-typeck.c (build_function_call): Use it.
4056 (build_binary_op): Support unordered compares.
4057 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
4059 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
4060 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
4061 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
4062 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
4063 * jump.c (reverse_condition): Don't abort for UNLE etc, but
4065 (swap_condition): Handle unordered compares.
4066 (thread_jumps): Check can_reverse before reversing.
4067 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
4070 * optabs.c (can_compare_p): New argument CODE. Verify branch or
4071 setcc is present before acking for cmp_optab. Update all callers.
4072 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
4073 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
4074 * expr.c (expand_expr): Likewise. Support unordered compares.
4075 (do_jump, do_store_flag): Likewise.
4076 * expr.h (enum libfunc_index): Add unordered compares.
4078 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
4079 (DPBIT_FUNCS): Add _unord_df.
4080 * config/fp-bit.c (_unord_f2): New.
4081 * fp-test.c (main): Try unordered compare builtins.
4083 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
4084 * alpha.c (alpha_comparison_operator): Check mode properly.
4085 (alpha_swapped_comparison_operator): Likewise.
4086 (signed_comparison_operator): Likewise.
4087 (alpha_fp_comparison_operator): New.
4088 (alpha_emit_conditional_branch): Handle unordered compares.
4089 * alpha.h (PREDICATE_CODES): Update.
4090 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
4091 (bunordered, bordered): New.
4093 2000-01-24 Richard Henderson <rth@cygnus.com>
4095 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
4096 * alpha.md (movtf): New expander, insn, and splitter.
4098 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
4100 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
4103 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
4105 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
4106 (FIXED_REGISTERS, CALL_USED_REGISTERS,
4107 REG_ALLOC_ORDER): Add frame pointer
4108 (FRAME_POINTER_REGNUM): Set to 20
4109 (HARD_FRAME_POINTER_REGNUM): New macro.
4110 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
4111 to HARD_FRAME_POINTER.
4112 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
4113 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
4114 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
4115 (HI_REGISTER_NAMES): Add "frame".
4116 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
4117 (debug_reg): Handle FRAME_POINTER_REGNUM.
4118 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
4119 GENERAL_REGS and INDEX_REGS.
4120 * i386.c (SAVED_REGS_FIRST): new macro.
4121 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
4122 (ix86_decompose_address, memory_address_length): Likewise.
4123 (regclass_map): Add frame pointer.
4124 (call_insn_operand): Handle frame_pointer_rtx.
4125 (reg_no_sp_operand): Likewise.
4126 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
4127 (print_operand, legitimize_pic_address): Fix formating.
4128 (ix86_compute_frame_size): Make static, update prototype, new
4129 parameters padding1, padding2, use ix86_nsaved_regs, use
4130 stack_alignment_needed.
4131 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
4132 to HARD_FRAME_POINTER_REGNUM conversions.
4133 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
4134 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
4135 (print_reg): Abort on FRAME_POINTER_REGNUM
4137 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
4139 * i386.h (PREDICATE_CODES): Add aligned_operand.
4140 * i386.c (aligned_operand): New function.
4141 (ix86_aligned_p): Kill.
4142 * i386.md (movhi_1): Emit mov for aligned operands.
4143 (promoting peep2s): Use aligned_operand.
4145 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
4147 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
4148 expression to allow underscores in macro names.
4149 (fix_char_macro_defines): Increment scanning pointer.
4151 2000-01-23 Richard Henderson <rth@cygnus.com>
4153 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
4154 * alpha/osf5.h: New file.
4155 * configure.in (alpha-*-osf5): Add it to tm_file.
4157 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
4159 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
4160 (alpha_emit_xfloating_cvt, function_arg): Declare.
4161 * alpha.c (alpha_emit_conditional_branch): Call
4162 alpha_emit_xfloating_compare for TFmode compares.
4163 (alpha_lookup_xfloating_lib_func): New.
4164 (alpha_compute_xfloating_mode_arg): New.
4165 (alpha_emit_xfloating_libcall): New.
4166 (alpha_emit_xfloating_arith): New.
4167 (alpha_emit_xfloating_compare): New.
4168 (alpha_emit_xfloating_cvt): New.
4169 (print_operand): Add default abort case.
4170 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
4171 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
4172 (BIGGEST_ALIGNMENT): Increase to 128 bits.
4173 (RETURN_IN_MEMORY): True for TF/TCmode.
4174 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
4175 (FUNCTION_ARG): Move to function_arg.
4176 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
4177 (ASM_OUTPUT_LONG_DOUBLE): New.
4178 (ASM_OUTPUT_DOUBLE): Always output bits.
4179 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
4180 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
4181 (extenddftf2, trunctfdf2): New.
4183 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4185 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
4186 * config/sparc/sol2.h: ... here.
4188 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4190 * basic-block.h (struct loops): New field `levels'.
4191 * flow.c (flow_loops_level_compute): Traverse all outer loops.
4192 (flow_loop_level_compute): Initialise level to 1.
4193 (flow_loops_find): Set loops->levels.
4194 (flow_loops_dump): Print loops->levels.
4196 2000-01-23 Richard Henderson <rth@cygnus.com>
4198 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
4199 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
4201 2000-01-23 Richard Henderson <rth@cygnus.com>
4203 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
4204 * i386.h (DBX_REGISTER_NUMBER): Use them.
4205 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
4206 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
4207 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
4208 * i386/sequent.h: Kill incorrect comment.
4210 2000-01-23 Mark Mitchell <mark@codesourcery.com>
4212 * ggc-page.c (struct page_entry): Make `context_depth' an
4214 (struct globals): Likewise.
4216 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
4218 * loop.c (check_dbra_loop): When checking a loop for
4219 reversability, check the source of any stores to ensure
4220 they don't depend on an initial value.
4222 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4224 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
4226 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
4228 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
4229 'pz_scan' into scope of entire function. Only affects
4230 compiles with -DDEBUG.
4232 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
4234 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
4235 section naming to that prior to 2000-01-07 patch.
4236 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
4237 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
4238 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
4239 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
4240 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
4242 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
4244 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
4247 2000-01-21 Jim Wilson <wilson@cygnus.com>
4249 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
4250 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
4252 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4254 * cpphash.c (change_newlines): Delete function.
4255 (struct argdata): Delete 'newlines' and 'use_count' fields.
4256 (macroexpand): Remove code referencing those fields.
4258 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4260 * loop.c (loops_info): New variable.
4261 (loop_optimize): Allocate loops->array and free it on exit.
4262 Allocate memory for loops_info and assign to each loop,
4264 (find_and_verify_loops): Do not allocate loops->array.
4266 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4268 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
4270 2000-01-21 Jakub Jelinek <jakub@redhat.com>
4272 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
4273 pseudos if expanded after first flow.
4274 (movdi_pic_label_ref): Likewise.
4276 2000-01-20 Richard Henderson <rth@cygnus.com>
4278 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
4280 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
4282 * Makefile.in (fixinc.sh): Depend on specs.
4283 * fixinc/Makefile.in: Add rule to create machname.h.
4284 (fixlib.o): Depend on machname.h.
4285 * fixinc/fixtests.c (machine_name): New test.
4286 * fixinc/fixfixes.c (machine_name): New fix.
4287 * fixinc/fixlib.c (mn_get_regexps): New helper function for
4288 the machine_name test and fix.
4289 * fixinc/fixlib.h: Prototype it.
4290 * fixinc/inclhack.def (machine_name): Use the C test and fix.
4291 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
4293 * gcc.c (do_spec_1) [case P]: Take care not to create
4294 identifiers with three leading or trailing underscores.
4296 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
4297 (fixincl): Don't specify libraries twice on link line.
4298 (gnu-regex.o): Remove special rule.
4299 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
4300 defined by config.h. Do not define _REGEX_RE_COMP.
4301 (regcomp): Allocate and initialize a fastmap.
4302 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
4304 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
4306 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
4308 2000-01-19 Richard Henderson <rth@cygnus.com>
4310 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
4311 arguments with BB. Update all callers. Tidy line wrapping.
4313 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
4315 * emit-rtl.c (try_split): Return last_insn if we split the
4318 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
4320 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
4321 (ix86_initial_elimination_offset): Declare.
4322 * i386.c (ix86_nsaved_regs): Break out from ...
4323 (ix86_can_use_return_insn_p): ... here.
4324 (ix86_emit_save_regs): Break out from ...
4325 (ix86_expand_prologue): ... here.
4326 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
4328 (ix86_expand_epilogue): ... here.
4329 (ix86_compute_frame_size): Make static, add prototype.
4330 (ix86_initial_elimination_offset): Break out from ...
4331 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
4333 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4335 * recog.h (OUT_FCN): Delete.
4337 * vax.md: Call `get_insn_template' instead of OUT_FCN.
4339 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4341 * cppalloc.c: PROTO -> PARAMS.
4342 * cpperror.c: Likewise.
4343 * cppfiles.c: Likewise.
4344 * cpplib.c: Likewise.
4345 * cpplib.h: Likewise.
4347 * config/arm/arm-protos.h: PROTO -> PARAMS.
4348 * config/arm/arm.c: Likewise.
4349 * config/c4x/c4x.c: Likewise.
4350 * config/fr30/fr30-protos.h: Likewise.
4351 * config/nextstep.c: Likewise.
4352 * config/pa/pa.c: Likewise.
4353 * config/pj/pj.c: Likewise.
4354 * config/rs6000/rs6000.c: Likewise.
4355 * config/v850/v850-protos.h: Likewise.
4356 * config/v850/v850.c: Likewise.
4358 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4360 * i370-protos.h: New file.
4362 * i370.c: Include tm_p.h. Fix compile time warnings.
4364 * i370.h: Move prototypes to i370-protos.h. Fix compile time
4367 * i370.md: Likewise.
4369 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4371 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
4372 (target_isinf, target_isnan, eisnan): Mark parameter with
4374 (eiisinf): Wrap in INFINITY.
4375 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
4376 (ibmtoe): Remove unused variable `rndsav'.
4378 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4380 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
4381 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
4383 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
4385 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
4386 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
4387 (fix_char_macro_defines, fix_char_macro_uses): New functions.
4389 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
4390 Recognize Emacs mode markers also.
4391 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
4392 C++ comments in C++ headers. Call is_cxx_header only if
4395 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
4397 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
4398 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
4399 ... these, which use the new C fixes.
4400 (math_exception): Escape literal '+' in bypass expression.
4402 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
4405 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4407 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
4410 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4412 * loop.c (loop_optimize): Allocate loop_info structure for each loop
4413 prior to calling scan_loop.
4415 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4417 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
4418 (split_branches, calc_live_regs): Likewise.
4420 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4422 * sh.md (fpu_single, fp_mode): New attributes.
4424 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4426 * loop.c (current_loop_info): Renamed from loop_info_data
4427 and changed to a pointer.
4428 (loop_optimize): Allocate loop_info structure for each loop
4429 and initialise to zero.
4430 (scan_loop): Set current_loop_info.
4432 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
4435 2000-01-19 Richard Henderson <rth@cygnus.com>
4437 * stupid.c: Die die die.
4438 * Makefile.in (OBJS): Remove stupid.o.
4439 (stupid.o): Likewise.
4441 * except.c (emit_eh_context): Don't emit USEs for stupid.
4442 * explow.c (probe_stack_range): Likewise.
4443 * flags.h (obey_regdecls): Remove.
4444 * flow.c (find_basic_blocks): Don't run try_merge_blocks
4445 when not optimizing.
4446 (life_analysis): Limit data collection when not optimizing.
4447 (mark_regs_live_at_end): Always mark the return value registers.
4448 (mark_used_regs): Remove dummy RETURN case.
4449 (print_rtl_with_bb): Don't consult obey_regdecls.
4450 * function.c (use_variable, use_variable_after): Remove.
4451 (assign_parms): Consult optimize not obey_regdecls.
4452 (expand_function_start): Don't emit USEs for stupid.
4453 (expand_function_end): Likewise.
4454 * global.c (build_insn_chain): Export.
4455 * integrate.c (expand_inline_function): Kill return-value USE
4457 * jump.c (jump_optimize_1): Do simple jump optimizations and
4458 dead code elimination.
4459 (calculate_can_reach_end): Remove check_deleted argument.
4460 (delete_insn): Patch out insns even when not optimizing.
4461 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
4462 * rtl.h (use_variable, use_variable_after): Remove declarations.
4463 (build_insn_chain): Declare.
4464 * stmt.c (expand_value_return): Don't emit USEs for stupid.
4465 (expand_end_bindings): Likewise.
4466 (expand_decl): Likewise. Consult optimize not obey_regdecls.
4467 * toplev.c (obey_regdecls): Remove.
4468 (rest_of_compilation): Don't set it. Kill stupid in favour of
4469 flow1, local-alloc, and reload.
4470 (main): Don't set obey_regdecls.
4472 * config/nextstep.c (handle_pragma): Likewise.
4474 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
4476 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
4478 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4480 * alpha-protos.h: PROTO -> PARAMS.
4481 * alpha.c: Likewise.
4483 * h8300.c: Likewise.
4484 * i386-protos.h: Likewise.
4486 * m32r-protos.h: Likewise.
4489 * mips.md: Likewise.
4490 * gmon-sol2.c: Likewise.
4491 * sparc.c: Likewise.
4493 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4495 * ns32k-protos.h: New file.
4497 * ns32k.c: Fix compile time warnings.
4499 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
4502 * ns32k.md: Likewise.
4504 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4506 * vax-protos.h: New file.
4508 * vax.c: Fix compile time warnings.
4510 * vax.h: Move prototypes to vax-protos.h. Fix compile time
4515 * vaxv.md: Likewise.
4517 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4519 * romp-protos.h: New file.
4521 * romp.c: Fix compile time warnings.
4523 * romp.h: Move prototypes to romp-protos.h. Fix compile time
4526 * romp.md: Likewise.
4528 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4530 * we32k-protos.h: New file.
4532 * we32k.c: Fix compile time warnings.
4534 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
4537 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4539 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
4541 * except.c (eh_regs): Likewise.
4543 * final.c (output_operand): Likewise.
4545 * fold-const.c (target_isinf, target_isnan): Likewise.
4547 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
4549 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
4550 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
4552 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
4554 (clrstrsi): Rewrite.
4555 (strsethi, strsetqi): New expanders.
4556 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
4557 (cmpstrsi): Emit compare insn before cmpstrsi_1
4558 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
4559 (strlensi_1): Likewise.
4560 (cmpstrsi_1): Likewise; do not output compare.
4561 (strlen expander): Do not unroll when optimizing for size.
4562 (*subsi3_carry): Rename to subsi3_carry
4563 (addqi3_cc): New pattern.
4564 * i386.h (processor_costs): Add move_ratio field.
4565 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
4566 * i386.c (*_cost): Set move_ratio.
4567 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
4568 (x86_expand_strlensi_1): Rewrite the main loop.
4570 2000-01-17 Richard Henderson <rth@cygnus.com>
4572 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
4573 * cse.c (find_comparison_args, fold_rtx): Likewise.
4574 * integrate.c (subst_constants): Likewise.
4575 * loop.c (get_condition): Likewise.
4577 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
4579 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
4581 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4583 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
4584 (RESTORE_WARN_FLAGS): Unpack it.
4585 Change semantic type of extension to ttype.
4586 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
4587 * c-parse.y, c-parse.c, objc/objc-parse.y,
4588 objc/objc-parse.c: Regenerate.
4590 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
4592 * fixinc/fixlib.c: Add copyright notice.
4593 (compile_re): New function.
4594 * fixinc/fixlib.h: Prototype compile_re.
4596 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
4597 Use compile_re to compile regular expressions.
4599 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
4600 where the pattern matched.
4602 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
4604 (ultrix_ansi_compat): Likewise.
4605 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
4607 (interactv_add2, interactv_add3): Delete.
4608 (x11_sprintf): Don't use filename glob.
4609 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
4612 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4614 * print-rtl.c: PROTO -> PARAMS.
4616 * reg-stack.c: Likewise.
4617 * resource.c: Likewise.
4618 * sdbout.h: Likewise.
4619 * simplify-rtx.c: Likewise.
4620 * stor-layout.c: Likewise.
4621 * stupid.c: Likewise.
4622 * xcoffout.c: Likewise.
4623 * xcoffout.h: Likewise.
4625 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4627 * toplev.c: PROTO -> PARAMS.
4628 * toplev.h: Likewise.
4631 * unroll.c: Likewise.
4632 * varasm.c: Likewise.
4633 * varray.c: Likewise.
4634 * varray.h: Likewise.
4636 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4638 * reload.c: PROTO -> PARAMS.
4639 * reload.h: Likewise.
4640 * reload1.c: Likewise.
4641 * reorg.c: Likewise.
4642 * resource.h: Likewise.
4645 * rtlanal.c: Likewise.
4646 * sbitmap.h: Likewise.
4647 * sdbout.c: Likewise.
4648 * stack.h: Likewise.
4650 * system.h: Likewise.
4652 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4654 * machmode.h: PROTO -> PARAMS.
4655 * mbchar.h: Likewise.
4656 * mips-tdump.c: Likewise.
4657 * mips-tfile.c: Likewise.
4658 * optabs.c: Likewise.
4659 * output.h: Likewise.
4660 * prefix.c: Likewise.
4661 * profile.c: Likewise.
4662 * protoize.c: Likewise.
4664 * recog.c: Likewise.
4665 * recog.h: Likewise.
4666 * regclass.c: Likewise.
4667 * regmove.c: Likewise.
4670 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4672 * ggc-common.c: PROTO -> PARAMS.
4673 * ggc-page.c: Likewise.
4674 * ggc-simple.c: Likewise.
4676 * global.c: Likewise.
4677 * graph.c: Likewise.
4678 * gthr-win32.h: Likewise.
4679 * haifa-sched.c: Likewise.
4680 * halfpic.h: Likewise.
4681 * integrate.c: Likewise.
4682 * integrate.h: Likewise.
4685 * local-alloc.c: Likewise.
4689 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4691 * genattr.c: PROTO -> PARAMS.
4692 * genattrtab.c: Likewise.
4693 * gencheck.c: Likewise.
4694 * gencodes.c: Likewise.
4695 * genconfig.c: Likewise.
4696 * genemit.c: Likewise.
4697 * genextract.c: Likewise.
4698 * genflags.c: Likewise.
4699 * gengenrtl.c: Likewise.
4700 * genopinit.c: Likewise.
4701 * genoutput.c: Likewise.
4702 * genpeep.c: Likewise.
4703 * genrecog.c: Likewise.
4705 2000-01-16 Mark Mitchell <mark@codesourcery.com>
4707 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
4709 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4711 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
4712 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
4713 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
4714 * configure, config.in: Rebuilt.
4716 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
4718 * config/i386/i386.md: Add peephole to merge successive stack
4721 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
4723 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
4724 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
4725 when walking backwards to find all the parameter loads when
4726 the basic block ends in a call.
4728 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4730 * loop.c (this_loop_info): Delete.
4731 (uid_loop): Add in place of uid_loop_num. All uses updated.
4732 (loop_number_exit_count): Delete and replace with entry in loop
4733 structure. All uses updated.
4734 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
4735 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
4736 (loop_outer_loop): Likewise.
4737 (loop_invalid, loop_number_exit_labels): Likewise.
4738 (loop_used_count_register): Delete and replace with entry in
4739 loop_info structure.
4740 (find_and_verify_loops): Add loops argument.
4741 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
4742 loop_end, etc. arguments with loop structure pointer. All callers
4744 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
4745 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
4746 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
4747 (insert_bct): Likewise.
4748 (basic_induction_var): New argument level.
4749 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
4750 vtop, and cont. Add used_count_register.
4751 (uid_loop): Delete declaration.
4752 (loop_number_exit_count): Likewise.
4753 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
4754 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
4755 (loop_outer_loop, loop_used_count_register): Likewise.
4756 (loop_invalid, loop_number_exit_labels): Likewise.
4757 (unroll_loop): Replace loop_start and loop_end arguments
4758 with loop structure pointer.
4759 (loop_precondition_p, loop_iterations): Likewise.
4760 Include basic-block.h.
4761 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
4762 with loop structure pointer.
4763 (loop_precondition_p, loop_iterations): Likewise.
4764 * basic-block.h (struct loop): New entries vtop, cont,
4765 cont_dominator, start, end, top, scan_start, exit_labels,
4767 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
4769 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4771 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
4773 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
4775 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
4777 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4779 * pdp11-protos.h: New file.
4781 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
4784 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
4787 * pdp11.md: Likewise.
4791 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4793 * mn10300-protos.h: New file.
4795 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
4798 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
4801 * mn10300.md: Likewise.
4803 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4805 * mn10200-protos.h: New file.
4807 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
4810 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
4813 * mn10200.md: Likewise.
4815 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4817 * h8300-protos.h: New file.
4819 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
4822 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
4825 * h8300.md: Likewise.
4827 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4829 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
4830 (asm_emit_uninitialised): Likewise.
4832 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
4834 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
4835 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
4837 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
4839 * config/mips/mips.c (override_options): Don't turn on extra
4840 alignment for mips16.
4842 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
4844 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
4845 eabi, and make sure queued POSTINCREMENT rtl is emitted at
4848 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
4850 * builtins.c (PAD_VARARGS_DOWN): Define.
4851 (std_expand_builtin_va_arg): Use the above macro.
4852 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
4853 * tm.texi (Register Arguments): Document the above macro.
4855 2000-01-14 Nick Clifton <nickc@cygnus.com>
4857 * emit-rtl.c (emit_insn): If checking is enabled, make sure
4858 that this function has not been used to emit a jump
4861 * jump.c (return_jump_1): Cope with being passed a null rtx.
4863 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4865 * eh-common.h: PROTO -> PARAMS.
4866 * emit-rtl.c: Likewise.
4867 * errors.c: Likewise.
4868 * errors.h: Likewise.
4869 * except.c: Likewise.
4870 * except.h: Likewise.
4871 * explow.c: Likewise.
4872 * expmed.c: Likewise.
4875 * final.c: Likewise.
4876 * fix-header.c: Likewise.
4878 * fold-const.c: Likewise.
4879 * function.c: Likewise.
4880 * function.h: Likewise.
4882 * gcov-io.h: Likewise.
4886 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4888 * sh-protos.h: New file.
4890 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
4891 Add static prototypes. Fix compile time warnings.
4893 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
4897 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4899 * arc-protos.h: New file.
4901 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
4904 * arc.h: Move prototypes to arc-protos.h. Fix compile time
4909 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4911 * dsp16xx-protos.h: New file.
4913 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
4916 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
4919 * dsp16xx.md: Likewise.
4921 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4923 * convex-protos.h: New file.
4925 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
4928 * convex.h: Move prototypes to convex-protos.h. Fix compile time
4931 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4933 * elxsi-protos.h: New file.
4935 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
4938 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
4941 * elxsi.md: Likewise.
4943 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
4945 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
4946 case for moving from HI/LO/HI_LO_REG. This makes the behavior
4947 match the comment for MIPS16.
4949 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
4951 * flow.c (split_edge): Do not call set_block_for_insn if we
4952 do not have a basic_block_for_insn structure.
4954 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
4955 and destination functions are 32bit aligned within the trampoline.
4956 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
4957 (TRAMPOLINE_ALIGNMENT): Define.
4959 * cse.c (cse_insn): When changing (set (pc) (reg)) to
4960 (set (pc) (label_ref)), verify the change creates a valid insn.
4962 * fr30.c (call_operand): Tighten and rework to match rules for
4963 call RTL expressions.
4964 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
4965 * fr30.md (call patterns): Improve constraints.
4967 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
4969 * fr30.c (fr30_expand_epilogue): Revert last change.
4970 Use emit_jump_insn for the return insn.
4972 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
4973 Stan Cox <scox@cygnus.com>
4975 * predict.c: New file. Preliminary infrastructure work for static
4976 branch prediction and basic block reordering.
4977 * basic-block.h: Add prototype for estimate_probability.
4978 * Makefile.in: Add rules for predict.o.
4980 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
4982 * fixincludes (va_list): Use __not_va_list__ for the dummy.
4983 * fixinc/*: Likewise.
4985 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4987 * cccp.c: PROTO -> PARAMS.
4989 * collect2.c: Likewise.
4990 * combine.c: Likewise.
4991 * convert.h: Likewise.
4993 * dbxout.c: Likewise.
4994 * dbxout.h: Likewise.
4995 * diagnostic.c: Likewise.
4996 * doprint.c: Likewise.
4997 * dwarf2out.c: Likewise.
4998 * dwarf2out.h: Likewise.
4999 * dwarfout.c: Likewise.
5000 * dwarfout.h: Likewise.
5001 * dyn-string.h: Likewise.
5003 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5005 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
5006 macro conditionals guarding use.
5008 * dwarf2out.c: Include "tm_p.h".
5010 * function.c (locate_and_pad_parm): Mark parameter with
5012 (expand_function_end): Likewise for variable `context'.
5014 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
5016 2000-01-13 Nick Clifton <nickc@cygnus.com>
5018 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
5019 register to prevent compile time warnings.
5021 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
5023 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
5024 to avoid -Wtraditional warning.
5026 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5028 * 1750a-protos.h: New file.
5030 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
5033 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
5036 * 1750a.md: Likewise.
5038 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5040 * a29k-protos.h: New file.
5042 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
5045 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
5048 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5050 * clipper-protos.h: New file.
5052 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
5055 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
5058 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5060 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
5062 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
5064 * configure.in (--enable-new-gxx-abi): New option.
5065 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
5066 * Makefile.in (GXX_ABI_FLAG): New variable.
5067 * configure: Regenerate.
5069 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5071 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
5072 * tm.texi (FORCE_STRUCT_BLK): Document.
5073 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
5075 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
5077 * config/ns32k/ns32k.md: Revert Jan 9 change.
5079 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
5080 to a mode-test, if the predicate is address_operand.
5082 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
5084 * combine.c (if_then_else_cond): Be careful about what kinds
5085 of RTL expressions are passed to operand_subword.
5087 * flow.c (split_edge): If we have to insert a new jump, make
5088 sure to associate it with a basic block.
5090 * flow.c (commit_one_edge_insertion): A block with one successor
5091 can end in a JUMP_INSN that is not a simplejump.
5093 2000-01-12 Robert Lipe <robertl@sco.com>
5095 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
5096 (BUILD_VA_LIST_TYPE): Define.
5097 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
5100 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
5102 * cccp.c (do_pragma): Add cast to (char *).
5104 2000-01-12 Richard Henderson <rth@cygnus.com>
5105 Fred Fish <fnf@be.com>
5106 Jason Merrill <jason@cygnus.com>
5108 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
5109 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
5110 * i386/beos-elf.h, i386/beos-pe.h: New files.
5112 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
5113 * cross-make (SYSTEM_HEADER_DIR): Define using
5114 CROSS_SYSTEM_HEADER_DIR.
5116 * gcc.c (LIBRARY_PATH_ENV): Provide default.
5117 (process_command): Use it.
5118 (main): Likewise. Kill trailing = from env vars.
5119 (build_search_list): Put it back.
5120 * collect2.c (main): Use LIBRARY_PATH_ENV.
5122 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
5123 * toplev.c: Use NEED_DECLARATION_ENVIRON.
5125 * tm.texi (Frame Layout): Document SMALL_STACK.
5126 * c-common.c (c_common_nodes_and_builtins): Check it.
5128 * system.h: Undef alloca after including glibc's <stdlib.h>,
5129 if USE_C_ALLOCA is defined.
5131 * gcc.c (set_input): New fn.
5132 (main): After all input files are compiled, reset the input file
5135 * aclocal.m4 (rindex, index): If already defined, don't attempt
5138 * ginclude/varargs.h: (__va_list__): Define ifndef.
5139 * ginclude/stdarg.h: Likewise.
5141 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
5142 instead of unsigned char.
5144 * hash.h (true, false, boolean): Undef before enum.
5146 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
5147 proper type of "HOST_WIDE_INT *", rather than their natural type of
5148 "unsigned HOST_WIDE_INT *".
5150 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5152 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
5154 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
5156 * regclass.c (choose_hard_reg_mode): Likewise.
5158 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
5160 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
5162 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5164 * c-common.c: PROTO -> PARAMS.
5165 * c-common.h: Likewise.
5166 * c-decl.c: Likewise.
5167 * c-iterate.c: Likewise.
5168 * c-lang.c: Likewise.
5169 * c-lex.c: Likewise.
5170 * c-lex.h: Likewise.
5171 * c-parse.in: Likewise.
5172 * c-pragma.c: Likewise.
5173 * c-pragma.h: Likewise.
5174 * c-tree.h: Likewise.
5175 * c-typeck.c: Likewise.
5176 * objc/objc-act.c: Likewise.
5177 * objc/objc-act.h: Likewise.
5179 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5181 * m88k-protos.h: New file.
5183 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
5186 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
5188 * m88k.md: Likewise.
5190 * tekXD88.h: Likewise.
5192 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5194 * m68k-protos.h: New file.
5196 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
5199 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
5201 * mot3300.h: Likewise.
5203 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
5205 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
5207 (extract_bitlist): Declare bitlen.
5209 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
5211 * cccp.c: Accept and ignore -lang-fortran.
5213 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
5214 qualifiers don't match at any level of pointerness.
5216 2000-01-12 Robert Lipe <robertl@sco.com>
5218 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
5220 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
5222 * reload1.c (reload_reg_unavailable): New static variable.
5223 (reload_reg_free_p): Test it.
5224 (reload_reg_free_for_value_p): Test it instead of
5226 (choose_reload_regs_init): Compute it.
5228 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
5230 * reorg.c (fill_slots_from_thread): Check modified_in_p
5233 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
5235 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
5236 these nodes even if INTERNALS is not set.
5238 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
5240 * gcse.c (delete_null_pointer_checks_1): Cope when
5241 get_condition cannot determine the condition.
5243 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
5245 * toplev.h (set_message_length): Declare.
5247 * diagnostic.c (obstack_chunk_alloc): Define macro.
5248 (obstack_chunk_free): Likewise.
5249 (struct output_buffer): New data structure.
5251 (output_maximum_width): New variable.
5252 (doing_line_wrapping, set_message_length, init_output_buffer,
5253 get_output_prefix, output_space_left, emit_output_prefix,
5254 output_newline, output_append, output_puts, dump_output,
5255 vbuild_message_string, build_message_string, build_location_prefix,
5256 voutput_notice, output_printf, line_wrapper_printf,
5257 vline_wrapper_message_with_location): New functions. Implement
5258 automatic line wrapping.
5259 (v_message_with_decl): Make it handle automatic line wrapping.
5260 (v_error_with_file_and_line): Likewise.
5261 (v_warning_with_file_and_line): Likewise.
5262 (announce_function): Likewise.
5263 (default_print_error_function): Likewise.
5265 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
5267 * cpplib.h (struct cpp_options): Change lang_asm to char.
5269 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
5270 done in cpp_handle_option now.
5271 (initialize_builtins): Take out special case code used only by
5273 (cpp_handle_option): Turn off trigraphs and trigraph warnings
5274 if -traditional. Recognize -lang-fortran and set
5275 lang_fortran, also turn off cplusplus_comments.
5276 (print_help): Document -lang-fortran.
5277 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
5278 lang_asm. Ignore all directives other than `# 123 "file"' if
5280 (cpp_get_token): If -traditional, don't recognize directives
5281 unless the # is in column 1.
5282 (parse_string): If lang_fortran or lang_asm, silently
5283 terminate strings ('' or "") at end of line.
5284 Remove unnecessary braces.
5286 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5287 Richard Henderson <rth@cygnus.com>
5289 * resource.c (mark_referenced_resources): Mark a set strict_low_part
5291 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
5292 strict_low_part when possible.
5294 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5296 * alias.c: PROTO -> PARAMS.
5297 * basic-block.h: Likewise.
5298 * bitmap.c: Likewise.
5299 * bitmap.h: Likewise.
5300 * builtins.c: Likewise.
5301 * c-aux-info.c: Likewise.
5302 * caller-save.c: Likewise.
5303 * calls.c: Likewise.
5305 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5307 * Makefile.in (toplev.o): Depend on regs.h.
5309 * output.h (tdesc_section): Prototype.
5311 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
5313 * sdbout.c: Include "tm_p.h".
5315 * toplev.c: Include "regs.h".
5317 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
5319 * unroll.c (unroll_loop): Add EH support.
5321 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5323 * pa-protos.h: New file.
5325 * pa.c: Include recog.h and tm_p.h.
5326 (compute_zdepwi_operands, compute_movstrsi_length,
5327 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
5328 find_addr_reg, import_milli): Add static prototypes.
5329 (pa_cpu_string, pa_arch_string): Constify a char*.
5330 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
5331 (read_only_operand): Add argument `mode'.
5332 (singlemove_string, output_move_double, output_fp_move_double,
5333 output_block_move, output_and, output_ior, output_ascii,
5334 remove_useless_addtr_insns, milli_names, output_mul_insn,
5335 output_div_insn, output_mod_insn, output_arg_descriptor,
5336 output_cbranch, output_bb, output_bvb, output_dbra, ,
5337 output_millicode_call, output_call, hppa_encode_label,
5338 output_parallel_movb, output_parallel_addb): Constify a char*.
5339 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
5340 (output_parallel_addb): Remove extra arg to `constrain_operands'
5342 * pa.h: Move all prototypes to pa-protos.h.
5343 (pa_cpu_string, pa_arch_string): Constify a char*.
5344 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
5346 * pa.md: Call `function_label_operand' with mode argument.
5347 Likewise for `read_only_operand'.
5348 Fix nesting of parens in call to `symbolic_operand'.
5350 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5352 * i860-protos.h: New file.
5354 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
5357 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
5359 * i860.md: Likewise.
5361 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
5363 * i386.md (movstrsi expander): Rewrite.
5364 (movstrsi_1 insn): Deleted.
5365 (strmovhi, strmovqi expander): New expanders.
5366 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
5367 * i386.c (x86_single_stringop): New global variable.
5368 * i386.h (x86_single_stringop): Declare.
5369 (TARGET_SINGLE_STRINGOP): New macro.
5371 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5373 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
5374 integer vararg POSTINCREMENT before the destination of the jump
5375 for the hard fp case.
5376 (function_arg_pass_by_reference): Pass a copy of CUM to
5379 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
5380 for CONSTANT_ADDRESS_P above while loop for subreg.
5382 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5384 * flow.c (propagate_block): When a prologue/epilogue insn
5385 is marked dead, unconditionally clear libcall_is_dead and
5386 insn_is_dead, and only dump rtl if warnings aren't being
5389 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
5391 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
5392 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
5393 (FIXED_REGISTERS): Set dirflag as fixed.
5394 (CALL_USED_REGISTERS): Set dirflag as used.
5395 (REG_ALLOC_ORDER): Set dirflag as last one.
5396 (DIRFLAG_REG): New macro.
5397 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
5398 (HI_REGISTER_NAMES): Add dirflag.
5399 (DEBUF_PRINT_REG): Handle dirflag.
5400 * i386.md (type attribute): New cld and str types.
5401 (length_opcode attribute): Set cld and str to 1.
5402 (memory attribute): Set str to unknown - it is not clear from the
5404 (pent_np function unit): Prefixed string operations takes 12 cycles
5405 minimally; cld takes 2 cycles.
5406 (ppro_uops attribute): Str is "many" and cld is "few".
5407 (ppro_p0 unit): Handle cld here.
5408 (k6_alux unit): Handle cld and str types.
5409 (k6_load unit): It is ocupied by str opcodes.
5410 (k6_store unit): It is ocupied by str opcodes.
5411 (athlon_decode): Str is vector decoded.
5412 (athlon_ieu): Handle str and cld.
5414 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
5415 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
5416 cmpstrsi_nz_1 insn): Do not output cld instruction
5418 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
5420 * gcc.texi (G++ and GCC): Add Java and Chill.
5421 (Bug Critera): Don't list languages.
5423 * gcc.texi (Incompatibilities): No longer claim most C compilers
5426 * gcc.texi (G++ and GCC): Update other front-ends list.
5428 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
5430 * i386.c (ix86_expand_setcc): Fix typo.
5431 (ix86_expand_movcc): Similarly.
5433 * Band-aid until haifa's bitset implementation is nuked.
5434 * haifa-sched.c (extract_bitlst): New parameter for size of the
5435 bitset in bits. All callers changed. Avoid looking at undefined
5437 (edgeset_bitsize): New variable.
5438 (schedule_region): Initialize edgeset_bitsize.
5440 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5442 * Makefile.in (optabs.o): Depend on real.h
5443 (resource.o): Depend on insn-attr.h
5445 * builtins.c (result_vector): Wrap prototype in macro conditions
5446 governing definition and use.
5448 * c-common.c: Include tm_p.h.
5450 * c-lex.c: Likewise.
5452 * elfos.h: Constify a char*.
5454 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
5455 (get_attr_length, shorten_branches, profile_after_prologue): Mark
5456 parameter with ATTRIBUTE_UNUSED.
5458 * fold-const.c (exact_real_inverse): Wrap variable `i' in
5461 * haifa-sched.c (schedule_insns): Mark parameter with
5464 * optabs.c: Include real.h.
5466 * real.h (ereal_atof): Add prototype arguments.
5468 * resource.c: Include insn-attr.h.
5470 * sdbout.c (sdbout_queue_anonymous_type,
5471 sdbout_dequeue_anonymous_types): Wrap in macro
5472 SDB_ALLOW_FORWARD_REFERENCES.
5473 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
5476 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
5478 * stupid.c: Include tm_p.h.
5480 * tree.c (real_value_from_int_cst): Mark parameter with
5483 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5485 * i960-protos.h: New file.
5487 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
5490 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
5492 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5494 * combine.c (expand_field_assignment): Do not discard SUBREGs
5495 while computing nonzero_bits.
5497 2000-01-09 Nick Clifton <nickc@cygnus.com>
5499 * config/arm/arm.c: Fix compile time warnings about signed vs
5501 * config/arm/arm.h: Fix compile time warnings about signed vs
5504 2000-01-09 Philip Blundell <philb@gnu.org>
5506 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
5507 than `ldm' with only one register.
5508 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
5511 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
5514 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
5516 * config/ns32k/ns32k.md (load or push effective address): Operand 1
5519 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5521 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
5522 assignment used as truth value.
5524 * function.c (assign_temp): Mark parameter `dont_promote' with
5525 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
5526 PROMOTE_FOR_CALL_ONLY.
5528 * genrecog.c (write_subroutine): Mark variable `operands' with
5531 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
5534 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
5535 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
5537 * toplev.c (note_deferral_of_defined_inline_function): Likewise
5540 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5542 * config/c4x.h: Tidy up comments.
5543 * config/c4x.c: Likewise.
5545 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
5547 * fold-const.c (lshift_double, rshift_double): Handle
5548 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
5550 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5552 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
5553 in prepare_function_start().
5555 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
5557 * config/v850/v850.c (expand_epilogue): Interrupt functions no
5558 longer allocate extra stack for function calls.
5560 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5562 * config/c4x/c4x.md (*subqf3_set): Fix typo.
5564 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5566 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
5568 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5570 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5571 * aix43.h: Revert Aug 2 change.
5572 (HAS_INIT_SECTION): Define, not visible yet.
5573 (LD_INIT_SWITCH): Define, not visible yet.
5574 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5576 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
5578 * collect2.c (main): Expand ld2 size further.
5579 (export_object_lst): Cast assignment to avoid warning.
5580 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
5581 (scan_prog_file, COFF): Do not collect initialization or
5582 finalization functions generated for entire shared object if
5583 init/fini support present.
5585 2000-01-07 Nick Clifton <nickc@cygnus.com>
5587 * config/elfos.h: Tidy up formatting of marcos. Make sure
5588 that .section directives are always prefixed by a tab.
5590 * config/svr4.h: Add #include "elfos.h" and remove duplicate
5593 2000-01-07 Matt Austern <austern@sgi.com>
5595 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
5598 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
5600 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
5602 (crtbegin.o, s-crtS): Likewise.
5604 2000-01-06 Richard Henderson <rth@cygnus.com>
5606 * alpha.md (adddi_2+1): Limit offset such that it will be
5607 loadable with a single ldah+lda pair.
5608 (adddi_2+2): Explicitly fail split if we can't make it work.
5610 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
5612 * protoize.c: Conditionally include unistd.h.
5613 (IS_SAME_PATH_CHAR): New macro.
5614 (IS_SAME_PATH): New macro.
5615 (CPLUS_FILE_SUFFIX): New macro.
5616 (cplus_suffix): New static variable.
5617 (is_abspath): New static function.
5618 (in_system_include_dir): Handle DOS style pathnames.
5619 (file_could_be_converted): Likewise.
5620 (file_normally_convertible): Likewise.
5621 (directory_specified_p): Likewise.
5622 (file_excluded_p): Likewise.
5623 (abspath): Likewise.
5624 (shortpath): Likewise.
5625 (referenced_file_is_newer): Likewise.
5626 (save_def_or_dec): Likewise.
5627 (do_processing): Likewise.
5629 (edit_file): Likewise. Use rename instead of link.
5630 (rename_c_file): Likewise. Don't rename syscalls file.
5631 (munge_compile_params): Define null device for DOS based systems.
5632 (process_aux_info_file): Use binary mode if appliable.
5633 (edit_file): Likewise.
5634 * invoke.texi (Running Protoize): Document C++ suffixes used.
5636 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
5637 IS_DIR_SEPARATOR macros.
5638 * collect2.c: Likewise.
5639 * cppinit.c: Likewise.
5640 * dwarf2out.c: Likewise.
5643 * prefix.c: Likewise.
5645 * toplev.c: Likewise.
5646 * system.h: And move to here.
5648 * prefix.c (update_path): Fix typo in variable name.
5650 2000-01-06 Richard Henderson <rth@cygnus.com>
5652 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
5653 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
5654 (count_reg_sets_1, count_reg_references): Likewise.
5655 (flow_loops_level_compute): Start counting actual loop depth at 1.
5656 (flow_loops_find): Likewise.
5657 * local-alloc.c (update_equiv_regs): Likewise.
5658 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
5660 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
5662 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
5663 FIRST_PSEUDO_REGISTER
5664 * dwarf2out.c: Don't include frame.h
5665 * dwarfout.c: Likewise
5666 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
5669 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
5671 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
5674 * i386.c (movsf splitter): Fix typo in my last checkin.
5676 2000-01-05 Nick Clifton <nickc@cygnus.com>
5678 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
5679 own definition of this macro.
5680 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
5681 flag_data_sections or UNIQUE_SECTION_P are true.
5683 * tm.texi (UNIQUE_SECTION): Document that it can be called for
5684 unitialised data decls.
5686 * config/i386/winnt.c (i386_pe_unique_section): Cope with
5687 being called for uninitialised data.
5689 * config/i386/interix.c (i386_pe_unique_section): Cope with
5690 being called for uninitialised data.
5692 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
5693 for uninitialised data.
5695 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
5696 for uninitialised data.
5698 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
5699 for uninitialised data.
5701 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
5702 (UNIQUE_SECTION_P): Always generate a unique section if
5703 flag_data_sections is true.
5704 (UNIQUE_SECTION): Also generate unique sections for
5706 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
5707 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
5710 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5712 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
5715 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5717 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
5718 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
5719 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
5720 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
5721 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
5723 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
5725 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
5727 * c-decl.c (finish_enum): Simplify code to determine minimum and
5728 maximum values of the enum, and calculate the type. Remove check
5729 for FUNCTION_DECLs in the values list, which cannot happen. Replace
5730 the DECL_INITIAL of each enumeration constant with a copy converted
5731 to the enumeration type. When updating variant types, don't bother
5732 updating the type itself.
5734 * c-typeck.c (build_binary_op): Simplify conditional expressions
5735 when weeding out spurious signed-unsigned warnings. Add new
5736 spurious warning category: if the unsigned quantity is an enum
5737 and its maximum value fits in signed_type(result_type). Update
5739 (build_conditional_expr): Warn here if one alternative is signed
5740 and the other is unsigned.
5742 2000-01-05 Nick Clifton <nickc@cygnus.com>
5744 * config/fr30/fr30.h: Remove extraneous comments.
5746 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
5748 * reload1.c (choose_reload_regs): When disabling a reload, also
5749 set reload_spill_index to -1.
5751 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5753 * configure.in (m68*-*-rtemscoff*): New target, formal name for
5755 (m68*-*-rtemself*): New target.
5756 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
5757 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
5758 (sparc*-*-rtemself*): New target.
5759 (sparc*-*-rtems*): Now elf not a.out.
5760 * config/i386/rtems.h: Include config/rtems.h.
5761 * config/i386/rtemself.h: Include config/rtems.h.
5762 * config/i960/rtems.h: Include config/rtems.h.
5763 * config/m68k/rtems.h: Include config/rtems.h.
5764 * config/m68k/rtemself.h: Include config/rtems.h.
5765 * config/mips/rtems64.h: Include config/rtems.h.
5766 * config/pa/rtems.h: Include config/rtems.h.
5767 * config/rs6000/rtems.h: Include config/rtems.h.
5768 * config/sh/rtems.h: Include config/rtems.h.
5769 * config/sh/rtemself.h: Include config/rtems.h.
5770 * config/sparc/rtems.h: Include config/rtems.h.
5771 * config/sparc/rtemself.h: Include config/rtems.h
5773 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
5775 * final.c (shorten_branches): Correctly compute length of
5776 asms without operands.
5778 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
5780 * configure.in: Add pj target.
5781 * configure: Regenerate.
5782 * config/pj: New directory.
5783 * config/pj/lib1funcs.S: New file.
5784 * config/pj/linux.h: New file.
5785 * config/pj/pj.c: New file.
5786 * config/pj/pj.md: New file.
5787 * config/pj/pjl.h: New file.
5788 * config/pj/t-pj: New file.
5789 * config/pj/xm-pj.h: New file
5791 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
5793 * toplev.c (rest_of_compilation): Run shorten-branches before
5796 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5798 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
5799 macros so that they're consistent with their names.
5800 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
5801 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
5803 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5805 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
5806 modified inadvertently.
5808 2000-01-04 Joel Sherrill <joel@OARcorp.com>
5810 * configure.in (v850*-*-rtems*): New target.
5811 * configure: Regenerate.
5812 * config/v850/rtems.h: New file.
5814 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
5816 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
5817 (__gthread_key_create): Likewise.
5818 (__gthread_key_dtor): Likewise.
5819 (__gthread_once): Fix logic.
5820 (__gthread_key_delete): Cast away constness.
5822 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
5823 * invoke.texi: Document.
5824 * i386/mingw32.h (CPP_SPEC): Use.
5825 (LIBGCC_SPEC): Likewise.
5826 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
5828 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5830 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
5831 (HANDLE_PRAGMA_PACK): Undefine.
5832 (SLOW_UNALIGNED_ACCESS): Define.
5834 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5836 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
5837 to default definition.
5838 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
5839 (store_fixed_bit_field): Call macro with word_mode and alignment.
5840 (extract_bit_field): Call macro with relevant mode and alignment.
5841 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
5842 to default definition.
5843 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
5845 (move_by_pieces_ninsns): Likewise.
5846 (clear_by_pieces): Likewise.
5847 (emit_push_insn): Likewise.
5848 (store_field): Call macro with relevant mode and alignment.
5849 (expand_expr): Likewise.
5850 (expand_expr_unaligned): Likewise.
5852 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5853 (SLOW_UNALIGNED_ACCESS): Define.
5854 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5855 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5856 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5857 (toc_section): Likewise and .toc pseudo-op.
5858 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5860 (TEXT_SECTION_ASM_OP): Likewise.
5861 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5864 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
5865 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
5866 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
5867 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
5868 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
5870 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
5872 * regclass.c: Revert my Jan 4 change to loop cost computation.
5874 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
5876 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
5879 2000-01-04 Stan Cox <scox@cygnus.com>
5881 * haifa-sched.c (build_control_flow): Change unreachable simple
5882 loop test to check if current block has only one predecessor.
5883 (find_rgns): Initialize degree. Use dest as degree index, not src.
5885 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5887 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
5889 * calls.c (expand_call): Likewise for
5890 `old_stack_arg_under_construction'.
5892 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
5894 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
5897 * gcc.c (execute): Likewise for `ut' and `st'.
5899 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
5901 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
5903 * jump.c (jump_optimize_1): Likewise for `temp2'.
5905 * local-alloc.c (block_alloc): Likewise for `r1'.
5907 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
5909 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
5910 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
5912 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
5915 * reload.c (find_reloads): Likewise for `goal_alternative_number'
5916 and `goal_earlyclobber'.
5918 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
5920 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
5922 * stupid.c (stupid_life_analysis): Likewise for `chain'.
5924 * unroll.c (copy_loop_body): Likewise for `copy'.
5926 * varasm.c (output_constructor): Likewise for `byte'.
5928 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
5930 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
5931 all FP constants for constant->reg moves.
5932 (ix86_split_to_parts): Try to convert memory address into immediate
5933 when available in the constant pool.
5934 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
5936 (LEGITIMATE_CONSTANT_P): Return 1.
5937 * i386.md (pushsf): New splitter to convert constant pool memory
5938 reference to immediate.
5939 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
5942 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
5944 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
5945 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
5946 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
5947 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
5948 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
5950 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
5952 * ginclude/stdbool.h: Support compilation as C++.
5954 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5956 * fold-const.c (make_range): Don't try to reverse an unbounded range.
5958 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
5960 * regclass.c (regclass): Properly compute loop_cost. Adjust
5963 * regclass.c: Fix minor whitespace problems.
5965 2000-01-03 Anthony Green <green@cygnus.com>
5967 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
5968 Restore the pic register if required.
5970 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
5972 * c-common.c (format_char_info): Update comment.
5973 (check_format_info): Recognize 'z' modifier in the same way 'Z'
5974 was recognized. Emit warning for formats new in ISO C99 only
5975 if flag_isoc9x is not set.
5977 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
5979 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
5981 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
5983 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
5984 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
5985 (make_compound_operation): Choose cheaper alternative between
5986 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
5988 * regclass.c (op_costs): Remove global variable.
5989 (record_reg_classes): New parameter "op_costs" and "reg_pref".
5990 (record_operand_costs): Break out from ...
5991 (scan_one_insn): ... here.
5992 (dump_regclass): Make dumps nicer.
5993 (regclass): Dump preferrences choosed and changes done during passes.
5995 2000-01-03 Jakub Jelinek <jakub@redhat.com>
5997 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
5999 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6001 * config/sparc/sparc.c (gen_df_reg): New function.
6002 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
6003 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
6004 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
6005 movtf_cc_reg_sp64+1): Use it.
6007 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6009 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
6012 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
6014 * config/i386/i386.c (ix86_expand_unary_operator): Function
6015 definition made void.
6016 (ix86_expand_binary_operator): Update outdated preceding comment.
6017 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
6020 * config/i386/i386.c (override_options): Fix option-name typo.
6022 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6024 * system.h (CEIL): Define.
6025 * builtins.c (CEIL): Remove.
6026 * expmed.c (CEIL): Likewise.
6027 * expr.c (CEIL): Likewise.
6028 * stor-layout.c (CEIL): Likewise.
6030 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6032 * expr.c (store_constructor_field): Fix typo introduced with last
6035 2000-01-01 Mark Mitchell <mark@codesourcery.com>
6037 * tree.h (BINFO_N_BASETYPES): New macro.
6039 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
6041 * expmed.c (emit_store_flag): Prevent losing a pending stack
6042 adjust the same way we prevent losing queued increments.
6044 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6046 * function.c (update_temp_slot_address): Handle case where sum of
6047 temporary address plus offset in register is a valid address.
6049 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6051 * genrecog.c (change_state) Corrected typo.
6053 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6055 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
6056 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
6057 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
6059 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
6061 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
6062 case, expand GT comparisons correctly. Fix a comment before this
6065 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6067 * dwarfout.c: Include "frame.h"
6068 * dwarf2out.c: Likewise.
6069 * Makefile.in (dwarfout.o): Depend on frame.h
6070 (dwarf2out.o): Likewise.
6072 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
6074 Restore i386 binary compatibility in Dwarf EH info.
6075 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
6076 value of FIRST_PSEUDO_REGISTER.
6077 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
6078 (struct frame_state): Use DWARF_FRAME_REGISTERS.
6079 * dwarfout.c (output_reg_number): Ditto.
6080 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
6081 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
6083 1999-12-29 Bruce Korb <autogen@linuxbox.com>
6085 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
6086 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
6087 (<hack>_RE_CT): not needed
6088 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
6089 rewritten to scan the file text once only
6090 "template<..." test added
6091 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
6092 (is_cxx_header): declaration added
6093 * fixinc/fixtests.c(is_cxx_header): removed
6094 (apply_fix_p_t): removed
6095 (double_slash_test): is_cxx_header is only called once now
6096 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
6097 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
6098 within the templates.
6099 The borken spelling of "broken" was fixed.
6100 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
6101 The default level depends on FIXINC_DEBUG.
6103 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6105 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
6106 Otherwise provide a declaration for atexit.
6107 (init_dummy): Make sure dummy call to atexit is nevertheless
6108 called with correct number of args.
6110 * frame.c: Update comments referring to other files.
6112 * libgcc2.c: Likewise.
6114 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6116 * cse.c (free_element, get_element): Remove unused prototypes.
6118 * fold-const.c (extract_muldiv): Initialize variables `op0' and
6121 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
6124 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
6126 * configure.in,configure: case arm for mn10200-*-* now sets
6127 float_format=i32 so that float.h will correctly claim "double"
6128 to be 32 bits. Ran autoconf to generate configure from .in file.
6130 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
6132 * pa.md (conditional zero): If op1 is a register, force it into
6133 the same register as op0.
6135 1999-12-28 Mark Mitchell <mark@codesourcery.com>
6137 * tree.h (BINFO_BASETYPES): Improve documentation.
6139 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6141 * configure.in (--enable-checking): Use a more portable `for'
6144 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6146 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
6147 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
6149 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
6152 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
6153 Delete descriptions.
6155 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
6156 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
6157 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
6158 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
6159 xm-svr4.h: Remove all instances of sys_siglist handling.
6161 1999-12-27 Jakub Jelinek <jakub@redhat.com>
6163 * config/sparc/sparc.md (cmp_zero_qi,
6164 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
6165 cmp_zero_extendqidi2_andcc_set): New patterns.
6167 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
6169 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
6170 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
6171 (fpgnulib.c, xfgnulib.c): Add rules.
6172 * m68k/t-mot3300-gas: Likewise.
6174 1999-12-27 Ian Lance Taylor <ian@zembu.com>
6176 * configure.in: Avoid [[ by using test and changequote. Add
6177 changequote required by 1999-12-14 change.
6178 * configure: Rebuild.
6180 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
6182 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
6184 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
6186 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
6187 * flow.c (find_use_as_address): Likewise.
6188 * function.c (fixup_var_refs_1): Likewise.
6189 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
6190 * jump.c (invert_exp, redirect_exp): Likewise.
6191 * loop.c (replace_call_address): Likewise.
6192 (count_nonfixed_reads): Likewise.
6193 * rtlanal.c (modified_between_p): Likewise.
6194 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
6195 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
6196 * unroll.c (remap_split_bivs): Likewise.
6198 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6200 * diagnostic.c (v_message_with_decl): Use .* format specifier
6201 instead of building the format specifier width manually.
6203 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
6204 determining whether to provide a prototype. Remove the
6205 sys_siglist clause in the conditional.
6207 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6209 * fold-const.c (operand_equal_p): Use memcmp to compare string
6211 Suggested by D. J. Bernstein
6213 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6215 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
6216 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6218 * config/mips/mips.h (TARGET_64BIT): Likewise.
6219 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
6220 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
6221 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
6222 dsps. Give routines proper names if SI/DI modes are not used.
6223 * longlong.h: Use DWunion instead of DIunion.
6225 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
6227 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
6228 GC_CHECKING, GC_ALWAYS_COLLECT.
6229 * configure.in: Allow --enable-checking with an argument
6230 listing check modes to enable.
6231 * config.in, configure: Rebuilt.
6232 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
6233 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
6234 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
6235 ENABLE_GC_ALWAYS_COLLECT.
6236 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
6238 * tree.h, tree.c: Change ENABLE_CHECKING to
6239 ENABLE_TREE_CHECKING throughout.
6241 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6243 * fold-const.c (fold_truthop): Properly check for FP RHS.
6245 1999-12-24 Mark Mitchell <mark@codesourcery.com>
6247 * toplev.h (note_deferall_of_defined_inline_function): Declare.
6248 * toplev.c (note_deferral_of_defined_inline_function): New
6249 function, split out from ...
6250 (rest_of_compilation): ... here. Use it.
6252 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6254 * expr.c (store_constructor): Don't call clear_storage if size is
6257 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6259 * Makefile.in (toplev.o): Depend on loop.h.
6261 * dwarfout.c: Include tm_p.h.
6263 * emit-rtl.c (restore_emit_status): Mark parameter with
6266 * final.c (final_scan_insn): Likewise.
6268 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
6269 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
6270 flow_depth_first_order_compute, flow_loop_pre_header_find,
6271 flow_loop_tree_node_add, flow_loops_tree_build,
6272 flow_loop_level_compute, flow_loops_level_compute,
6273 flow_loop_outside_edge_p): Add prototypes.
6274 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
6276 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
6277 Mark with ATTRIBUTE_NORETURN.
6279 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
6281 * local-alloc.c (no_conflict_p): Likewise.
6283 * loop.c (insert_bct): Hide definitions of variables with hidden
6285 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
6287 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
6288 with ATTRIBUTE_UNUSED.
6289 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
6290 (reg_scan): Likewise.
6292 * reload.c (find_reloads): Remove unused variables `changed'.
6294 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
6296 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
6297 Remove unused variable `insn'.
6299 * toplev.c: Include loop.h.
6300 (report_file_and_line): Remove unnecessary prototype.
6302 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
6304 * unroll.c (biv_total_increment): Likewise.
6306 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6308 * reload1.c (emit_input_reload_insns): Restore old behaviour
6309 wrt. 'special' reloads.
6311 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
6313 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
6314 hash.h. (cse.c): Don't depend on hashtab.h.
6316 * cse.c: Don't include hashtab.h.
6317 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
6319 * ggc-simple.c: Don't include hash.h.
6321 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
6323 * dwarf2out.c (add_abstract_origin_attribute): Call
6324 gen_abstract_function on our function context.
6326 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
6328 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
6330 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6332 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
6335 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6337 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
6338 constraints to "a!r".
6340 1999-12-21 Mark Mitchell <mark@codesourcery.com>
6342 * Makefile.in (calls.o): Depend on function.h.
6343 (alias.o): Likewise.
6345 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
6347 * reload1.c (emit_reload_insns): Break out code and variables into...
6348 (input_reload_insns, other_input_address_reload_insns,
6349 other_input_reload_insns, input_address_reload_insns,
6350 inpaddr_address_reload_insns, output_reload_insns,
6351 output_address_reload_insns, outaddr_address_reload_insns,
6352 operand_reload_insns, other_operand_reload_insns,
6353 other_output_reload_insns): ... new static variables, and...
6354 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
6355 do_output_reload): ... new functions.
6357 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6359 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
6361 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6363 * md.texi: Add c4x constraints documentation.
6365 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6367 * config/i386/dgux.c (struct option): Rename to
6368 lang_independent_option.
6369 (struct m_options): Add description field.
6370 (output_options): Rename option type, add sep declaration, output
6371 ix86_cpu_string and ix86_arch_string only if set.
6372 (output_file_start): Rename option type.
6374 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
6376 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
6378 (libgcc2.a): Similarly.
6380 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
6382 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
6383 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
6384 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
6386 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
6388 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
6389 Remove redundant initialization of "frexpon" and "expon".
6391 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6393 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
6395 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
6396 (store_constructor_field, expand_expr): Pass new arg.
6398 1999-12-20 Mark Mitchell <mark@codesourcery.com>
6400 * Makefile.in (explow.o): Depend on function.h.
6402 * stor-layout.c (set_sizetype): Fix typo.
6404 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
6406 * function.c (cfun): Renamed from current_function. All users
6408 * function.h (cfun): Rename declaration as well.
6410 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
6411 to be of type regset_head, not regset. All users changed by adding
6413 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
6415 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6417 * config/c4x/rtems.h: New file.
6419 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
6421 * reload1.c (spill_failure): Take class of failed reload as argument
6422 and print it. Caller changed.
6424 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6426 * rs6000.h (SUBTARGET_DEFAULT): New macro.
6427 (TARGET_SWITCHES): Allow subtargets to default switches.
6428 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
6430 1999-12-18 Mark Mitchell <mark@codesourcery.com>
6432 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
6435 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
6437 * cccp.c (main): Define __STDC_VERSION__ as necessary.
6438 * cppinit.c (cpp_handle_option): Likewise.
6440 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
6441 determine when to define.
6443 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
6445 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
6446 cmove with mismatched test and data modes.
6448 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
6450 * c-typeck.c (c_expand_start_case): Don't warn for long switch
6453 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6455 * alias.c: Minor reformatting.
6458 * stor-layout.c: Likewise.
6459 * fold-const.c: Likewise.
6460 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
6461 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
6463 (size_int_wide): Cache nodes even if garbage collecting.
6464 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
6465 of SAVE_EXPR has no side effects.
6466 * cse.c: Move a comment.
6467 * tree.c: Minor reformatting.
6468 (int_size_in_bytes): Return -1 if constant overflows.
6470 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6472 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
6474 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
6476 * objc/objc-parse.c: Regenerate. This file must be rebuilt
6477 after any change to c-parse.in, even if objc-parse.y didn't
6480 1999-12-18 David S. Miller <davem@redhat.com>
6482 * toplev.c (rest_of_compilation): Restore BLOCK tree
6483 reconstruction and branch shortening changes lost in
6484 December 18th change.
6486 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
6488 * config/arm/linux-elf.h: Change all instances of
6489 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
6490 * config/arm/uclinux-elf.h: Likewise.
6492 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
6494 * toplev.c (notice, vmessage, v_message_with_file_and_line,
6495 v_message_with_decl, file_and_line_for_asm,
6496 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
6497 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
6498 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
6499 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
6500 pfatal_with_name, fatal_io_error, need_error_newline,
6501 last_error_function, last_error_tick, announce_function,
6502 default_print_error_function, print_error_function,
6503 report_error_function, fnotice, error_with_file_and_line,
6504 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
6505 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
6506 warning_with_decl, warning_for_asm, warning, pedwarn,
6507 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
6509 (compile_file): Use fnotice instead of notice. Adjust call.
6511 * diagnostic.c: New file.
6513 * Makefile.in (OBJS): Include diagnostic.o
6514 (diagnostic.o): Define dependence.
6516 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6518 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
6521 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6523 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
6525 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
6527 * fixtests.c (is_cxx_header): New fn, split out of
6529 (else_endif_label): Allow "#endif // comment" in C++ headers,
6530 as determined by is_cxx_header.
6531 * fixfixes.c (else_endif_label_fix): Update comment.
6532 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
6534 * genfixes: Correct double thinko in commandline parsing.
6535 * hackshell.tpl: Generate correct sh syntax for bypass
6538 * inclhack.def (all): Whenever an inserted preprocessor
6539 conditional is split over multiple lines, use double
6540 backslashes in this file so the fixed header will be readable.
6542 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
6543 and add bypass entry for correct version of this header.
6544 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
6545 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
6547 (hpux8_bogus_inlines): New fix, split from...
6548 (ultrix_atof_param) ... here.
6549 (math_expression): Add bypass entry keyed to glibc comment
6550 indicating the problem has been dealt with; disable
6551 unnecessary sed operations; update commentary.
6552 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
6553 add select and bypass entries, simplify shell operation.
6554 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
6556 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
6557 ultrix_atof_param): Add select entry.
6558 (stdio_va_list, sunos_mather_decl): Add bypass entry.
6559 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
6560 comments with the fixes they describe.
6562 * c-parse.in (string action): Do not warn about ANSI string
6563 concatenation in system headers. Affects C parser only.
6564 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
6566 1999-12-16 Jakub Jelinek <jakub@redhat.com>
6568 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
6569 compiling libgcc2 the macro depends always on arch cpp defines.
6571 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
6573 * loop.c (insert_loop_mem): Don't record MEMs from inside
6576 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
6578 * regclass.c (regclass): Do not use flowgraph when not optimizing.
6580 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
6581 notes too, create one when replacement failed, attempt to simplify
6583 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
6586 1999-12-16 Mark Mitchell <mark@codesourcery.com>
6588 * crtstuff.c (__dso_handle): Declare.
6589 (__cxa_finalize): Likewise.
6590 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
6593 * invoke.texi: Document -fuse-cxa-atexit.
6595 * tree.h (ptr_type_node): Document.
6596 (const_ptr_type_node): Likewise.
6598 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6600 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
6601 (optimize_reg_copy_2): Likewise.
6602 (optimize_reg_copy_3): Likewise.
6603 (fixup_match_2): Likewise.
6604 (regmove_optimize): Likewise.
6605 (fixup_match_1): Liekwise.
6607 * i386.md (HI to SImode promoting splitters): Rewrite.
6608 (pushsf mem peep2): New.
6609 (testhi to andhi peep2): Remove.
6610 * i386.h (x86_promote_QImode): New.
6611 (TARGET_PROMOTE_QImode): New.
6612 (PREDICATE_CODES): Add promotable_binary_operator.
6613 * i386.c (x86_promote_QImode0: New.
6614 (promotable_binary_operator): New.
6615 * i386-protos.h (promotable_binary_operator): New.
6617 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
6619 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
6621 1999-12-16 Mark Mitchell <mark@codesourcery.com>
6623 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
6624 * function.c (insert_block_after_note): Remove.
6625 (retrofit_block): Likewise.
6626 (identify_blocks): Fix indentation.
6627 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
6628 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
6629 * function.h (insert_block_after_note): Remove prototype.
6630 (retrofit_block): Likewise.
6631 * integrate.c (expand_inline_function): Don't call
6632 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
6633 just expand_start_bindings. Use the block_map to remap old
6634 NOTE_BLOCKs to new ones.
6635 (integrate_decl_tree): Keep track of remapped blocks.
6636 * integrate.h (struct inline_remap): Add block_map.
6637 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
6638 NOTE_BLOCK on the notes.
6639 (expand_start_bindings): Rename to ...
6640 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
6641 (expand_end_bindings): Set NOTE_BLOCK.
6642 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
6643 reconstruct the BLOCK tree.
6644 * tree.h (expand_start_bindings): Macroize. Call ...
6645 (expand_start_bindings_and_block): New function.
6647 1999-12-16 Jakub Jelinek <jakub@redhat.com>
6649 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
6650 to match the format.
6652 1999-12-16 David S. Miller <davem@redhat.com>
6654 * expr.c (emit_move_insn_1): Only emit clobbers if one of
6655 the outputs is a SUBREG.
6656 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
6659 * config/sparc/sparc.c (epilogue_renumber): Add default case
6662 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6664 * toplev.c (rest_of_compilation): Run branch shortening after
6667 * regclass.c (loop_depth): Remove
6668 (scan_one_insn): Do not handle LOOP_NOTE insns.
6669 (regclass): Go through basic blocks and set loop_cost
6671 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
6673 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
6675 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6677 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
6678 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
6679 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
6681 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
6683 * loop.c (insert_loop_mem): Ignore memory clobbers.
6685 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
6688 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
6690 * profile.c: Remove redundant #include "output.h".
6692 * h8300.md (HImode preinc peephole): Fix typo.
6694 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
6696 * function.c (retrofit_block): Abort if we don't find a suitable insn.
6697 (insert_block_after_note): Abort if we don't have a previous block.
6698 Remove FN parameter.
6699 * function.h: Adjust.
6701 1999-12-15 Mark Mitchell <mark@codesourcery.com>
6703 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
6704 argument more than once.
6706 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
6708 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
6710 1999-12-15 Jakub Jelinek <jakub@redhat.com>
6712 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
6714 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6716 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
6717 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
6718 update stack_alignment_needed.
6719 (prepare_function_start): Initialize stack_alignment_needed
6720 * function.h (struct function): Add field stack_alignment_needed.
6722 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6724 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
6725 Handle live_throughout / dead_or_set instead of live_before /
6727 (save_call_clobbered_regs): Get register livenessinformation from
6728 chain->live_throughout.
6729 (add_stored_regs): New function.
6730 (insert_restore, insert_save): Add restored / saved registers to
6732 * global.c (reg_dies): New parameter chain.
6733 (reg_becomes_live): Third parameter is regs_set now.
6734 Changed all callers.
6735 (reg_dies): New parameter chain. Changed all callers.
6736 (build_insn_chain): Set live_throughout instead of
6737 live_before / live_after.
6738 * reload.h (struct insn_chain): Replace members live_before /
6739 live_after with live_throughout / dead_or_set.
6740 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
6741 instead of live_before / live_after.
6742 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
6743 (order_regs_for_reload, find_reg, finish_spills): Likewise.
6744 (choose_reload_regs_init): Likewise.
6745 * stupid.c (current_chain, find_clobbered_regs): Delete.
6746 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
6747 instead of chain->live_before / chain->live_after.
6748 (mark_hard_ref): New function.
6749 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
6751 1999-12-15 David S. Miller <davem@redhat.com>
6753 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
6755 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6757 * flow.c (calculate_loop_depth): Make global, remove prototype,
6758 rewrite to use new loop infrastructure.
6759 (find_basic_block): Remove calculate_loop_depth call.
6760 * toplev.c (rest_of_compilation): Call find_basic_block.
6761 * output.h (calculate_loop_depth): Declare.
6763 * flow.c (dump_flow_info): Dump loop_depth.
6764 (flow_loops_nodes_find): Increase loop_depth for basic block in the
6766 (flow_loops_find): Initialize the loop_depth for each basic block.
6768 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
6770 * tree.c (decl_function_context): Handle virtual functions.
6772 * tlink.c (scan_linker_output): Don't look in demangled name when
6773 looking for linker output keywords.
6775 * dwarfout.c (output_type): We can defer namespace-scope classes.
6777 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
6779 * regclass.c (record_reg_classes): Update comment for merging
6780 register class preferences in reg->reg copies. Tighten conditions
6781 for merging register class preferences in reg->reg copies.
6783 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
6785 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
6787 1999-12-14 Geoff Keating <geoffk@cygnus.com>
6789 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
6790 (INIT_SECTION_ASM_OP): Delete.
6791 (FINI_SECTION_ASM_OP): Delete.
6792 (STARTFILE_SPEC): Define to hold just crtbegin.o.
6794 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
6796 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
6797 the abstract origin wasn't emitted.
6799 * dwarf2out.c (class_scope_p): New fn.
6800 (gen_subprogram_die): Use it.
6801 (gen_variable_die): Use it. Tweak logic.
6802 (gen_struct_or_union_type_die): Check context_die to determine
6803 if we're function-local.
6804 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
6806 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
6808 * loop.c (check_dbra_loop): Can't reverse a biv that has
6811 1999-12-14 Nick Clifton <nickc@cygnus.com>
6813 * config/arm/arm.c: Add support for -mcpu=arm720 command line
6816 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6818 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
6819 for givs made from biv increments.
6821 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
6823 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
6824 * alpha.c (override_options): Recognize -mcpu=ev67.
6825 * alpha.h (CPP_CPU_EV67_SPEC): New.
6826 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
6827 (EXTRA_SPECS): Update.
6829 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
6831 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
6832 appropriate for -lang-c89 and -std=*.
6833 * cppinit.c (cpp_handle_option): Likewise.
6834 (new_pending_define): New, split out from cpp_handle_option.
6835 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
6836 or enable trigraphs for -ansi/-std=*.
6838 * ginclude/stdarg.h (__va_copy): New.
6839 (va_copy): Don't define for C89.
6841 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
6843 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
6844 for long long multiply-accumulate.
6846 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6848 * regclass.c (scan_one_insn): Set loop_cost to 1 when
6849 optimizing for size.
6851 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
6853 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
6854 if something changed. Back out that part of yesterday's changes.
6856 * loop.c (loop_max_reg): New static variable.
6857 (loop_optimize): Initialize it. Eliminate one unnecessary call to
6859 (scan_loop): Call reg_scan_update whenever we may have added new
6860 registers, and update loop_max_reg.
6862 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6864 * regclass.c (record_reg_classes): Do not do the copying preferrencing
6865 when source does not die.
6867 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
6869 1999-12-14 Jakub Jelinek <jakub@redhat.com>
6871 * config/sparc/linux64.h (TARGET_LIVE_G0,
6872 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
6874 * config/sparc/linux.h (TARGET_LIVE_G0,
6875 TARGET_BROKEN_SAVERESTORE): Likewise.
6876 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6877 TARGET_BROKEN_SAVERESTORE): Likewise.
6879 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
6880 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
6882 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
6883 as sparc64 block profiling register.
6884 * config/sparc/sparc.c (sparc_override_options): Allow block
6885 profiling with -m32.
6886 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
6888 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
6889 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
6890 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
6892 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
6894 * config/sparc/sparc.h: Likewise.
6895 * config/sparc/xm-sysv4-64.h: Likewise.
6896 * config/float-sparc.h: Likewise.
6897 * glimits.h: Likewise.
6898 * longlong.h: Likewise.
6900 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
6901 (ASM_IDENTIFY_GCC): Remove.
6903 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
6905 * combine.c (combine_simplify_rtx): Don't make shared rtl.
6906 (simplify_logical): Likewise.
6908 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
6910 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
6911 * cppfiles.c (INO_T_EQ): Likewise.
6913 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
6915 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
6916 * i386/mingw32.h (LIB_SPEC): Likewise.
6917 (STARTFILE_SPEC): Likewise.
6918 * i386/uwin.h (LIB_SPEC): Likewise.
6919 (STARTFILE_SPEC): Likewise.
6921 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
6922 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
6924 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
6926 * combine.c (combine_simplify_rtx): Fix order of checks for
6927 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
6929 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
6931 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
6932 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
6934 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
6936 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
6938 * regclass.c (inv_reg_alloc_order): New array.
6939 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
6941 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
6942 counted_for_groups, counted_for_nongroups. Add fields rld and
6944 * reload.c (push_secondary_reload): Don't set nongroup field of
6946 (push_reload): Likewise.
6947 (find_reloads): Delete code to compute nongroup fields.
6948 * reload1.c (reload_insn_firstobj): New static variable.
6949 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
6951 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
6952 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
6953 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
6955 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
6957 (struct hard_reg_n_uses): Deleted.
6958 (potential_reload_regs): Deleted.
6959 (init_reload): Initialize spilled_pseudos and pseudos_counted.
6960 (reload): Don't try to allocate reload registers if we already know
6961 we have to make another pass. Call select_reload_regs. Free memory
6962 starting with reload_firstobj when starting another pass.
6963 Don't allocate spilled_pseudos.
6964 (calculate_needs_all_insns): Call copy_reloads for an insn that
6965 needs reloads; don't call calculate_needs.
6966 (spill_cost): New static array.
6967 (used_spill_regs_local): New static variable.
6968 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
6969 to compute potential_reload_regs.
6970 (find_reload_regs): Completely rewritten to use find_reg.
6971 (allocate_reload_reg): Don't test counted_for_groups or
6972 counted_for_nongroups. Lose NOERROR arg and code to give an error;
6974 (choose_reload_regs): Add fallback code that uses the existing
6975 register allocation from find_reload_regs.
6977 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
6979 * flow.c (create_edge_list): Cast xmalloc return value.
6981 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
6983 * doprnt.c: Remove incorrect comment closure.
6985 * cse.c: Fix a few minor whitespace goofs.
6987 1999-12-13 Don Bowman <don@pixstream.com>
6989 * mips/vxworks.h: Fix problem with comment termination.
6990 (EXTRA_SECTIONS): Add in_sbss.
6991 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
6993 1999-12-12 David S. Miller <davem@redhat.com>
6995 * cse.c (struct cse_reg_info): Add hash_next member,
6996 reorder rest of struct for better packing on 64-bit
6998 (cse_reg_info_tree): Kill.
6999 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
7000 REGHASH_FN): New custom pow2 hash mechanism.
7002 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
7003 use a pow2 hash table.
7004 (get_cse_reg_info): Rework to use new REGHASH.
7005 (new_basic_block): Likewise, use HASH_SIZE, and inline
7007 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
7008 and inline free_element call.
7009 (lookup_as_function, insert, flush_hash_table, invalidate,
7010 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
7011 invalidate_for_call, use_related_value, find_comparison_args,
7012 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
7013 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
7016 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
7018 * cse.c (cse_basic_block): Free qty_table consistently.
7020 1999-12-12 David S. Miller <davem@redhat.com>
7021 Jakub Jelinek <jakub@redhat.com>
7023 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
7024 SUBREGs by hand, gen the appropriate hard reg directly.
7025 (movtf reg/mem split): Likewise and alter_subreg on destination
7027 (movtf mem/reg split): Similarly.
7028 (movdf_cc_sp64): Rename from hidden pattern.
7029 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
7030 (movtf_cc_sp64, following split): New pattern and splitter.
7031 (movdf_cc_reg_sp64): Rename from hidden pattern.
7032 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
7034 (movtf_cc_reg_sp64, following split): New pattern and splitter.
7036 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
7038 * loop.c (load_mems): Don't hoist written floating point mem
7041 1999-12-12 Mark Mitchell <mark@codesourcery.com>
7043 * except.h (struct eh_queue): Add `next' pointer.
7044 (struct eh_status): Make x_ehqueue a pointer.
7045 (push_ehqueue): Declare.
7046 (pop_ehqueue): Likewise.
7047 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
7049 (expand_fixup_region_end): Likewise.
7050 (expand_leftover_cleanups): Likewise.
7051 (push_ehqueue): Define.
7052 (pop_ehqueue): Likewise.
7053 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
7054 than doing it inline.
7055 (expand_start_all_catch): Adjust now that ehqueue is a
7057 (mark_eh_queue): Mark all level of the queue.
7058 (mark_eh_status): Adjust now that ehqueue is a
7060 (init_eh_for_function): Allocate ehqueue.
7061 (free_eh_status): Free it.
7062 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
7063 expansion for a fixup.
7065 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7067 * gthr-single.h (__gthread_active_p): Add prototype arguments.
7069 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
7070 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
7071 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
7072 function_ptr, getpagesize, __enable_execute_stack,
7073 __enable_execute_stack, __clear_insn_cache,
7074 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
7075 _cleanup, _exit, __default_terminate, __terminate_func,
7076 __terminate, __empty, __throw, new_eh_context,
7077 eh_context_initialize, eh_context_static, eh_context_specific,
7078 get_eh_context, __get_eh_context, __get_eh_info,
7079 init_reg_size_table, eh_threads_initialize,
7080 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
7081 __unwinding_cleanup, throw_helper, __throw, __rethrow,
7082 __pure_virtual): Add prototype arguments.
7083 (__bb_exit_func): Cast a sizeof to long when comparing against one.
7084 Cast a signed value to unsigned long when comparing against one.
7085 (new_eh_context): Wrap in _GTHREADS macro.
7086 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
7088 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
7089 (throw_helper): Initialize variables `handler_p' and `pc_p'.
7091 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7093 * combine.c (record_promoted_value): Remove unused variable
7096 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
7098 * global.c (record_conflicts): Likewise for `j'.
7100 * genoutput.c (output_insn_data): Don't unnecessarily cast away
7103 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7105 * i386-protos.h (output_387_binary_op, output_fix_trunc,
7106 output_fp_compare): Constify a char*.
7108 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
7110 (override_options, ix86_comp_type_attributes, print_operand,
7111 output_387_binary_op, output_fix_trunc, output_fp_compare):
7113 (ix86_sched_reorder): Mark parameter `clock_var' with
7116 * i386.h (DEBUG_PRINT_REG): Constify a char*.
7118 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
7120 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
7121 operand, for use in the Java front-end.
7123 1999-12-10 Ben Collins <bcollins@debian.org>
7125 * configure.in: Fix typo for "-64" in 64bit as check.
7126 * configure: Rebuilt.
7128 1999-12-10 Jakub Jelinek <jakub@redhat.com>
7130 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
7133 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7135 * c-parse.in (string): With -Wtraditional, warn if ANSI string
7136 concatenation is utilized.
7138 * invoke.texi (-Wtraditional): Document it.
7140 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7142 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
7143 Cast a ptrdiff_t to long and pass it to printf with %ld.
7145 1999-12-10 Geoff Keating <geoffk@cygnus.com>
7147 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
7148 68881, we have no 68881 registers at all.
7149 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
7150 value in a 68881 register if it is available.
7152 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
7154 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
7155 for long long multiply-accumulate.
7157 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7159 * loop.c (insert_loop_mem): Undo last change.
7161 1999-12-10 David S. Miller <davem@redhat.com>
7163 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
7165 * config/sparc/sparc-protos.h: Add them.
7166 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
7167 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
7168 constraints which use those helpers.
7169 (EXTRA_CONSTRAINT): Use this new macro.
7170 * md.texi: Update sparc target constraints documentation.
7171 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
7172 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
7173 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
7174 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
7175 (movsf high/lo_sum split): Rework for new patterns.
7176 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
7178 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
7180 * c-common.c (c_common_nodes_and_builtins):
7181 Create __builtin_ptrdiff_t and __builtin_size_t.
7183 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
7185 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
7187 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7189 * regclass.c (globalize_reg): Re-instate test that allows
7190 fixed registers to be declared as a variable even after functions
7193 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7195 * i386.md (cpu attribute): Add "athlon".
7196 (athlon_decode): New attribute.
7197 (Athlon scheduling units definitions): New.
7198 (fcmp and shld patterns): Set athlon_decode to "vector".
7199 * i386.c (athlon_cost): New.
7201 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
7202 x86_use_sahf): Set for Athlon.
7203 (x86_use_fiop): Unset for Athlon.
7204 (override_options): Define Athlon alignments and "athlon" name.
7205 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
7206 * i386.h (TARGET_ATHLON): New.
7207 (enum processor_type): Add PROCESSOR_ATHLON.
7208 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
7210 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
7212 1999-12-09 Andreas Jaeger <aj@suse.de>
7214 * loop.c (record_biv): Declare parameter as int.
7216 * config/i386/i386-protos.h: Declare long_memory_operand.
7218 1999-12-09 Mark Mitchell <mark@codesourcery.com>
7220 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
7221 EXPR_WITH_FILE_LOCATION.
7223 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7225 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
7228 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
7230 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
7233 1999-12-09 Jakub Jelinek <jakub@redhat.com>
7235 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
7236 default on linux64 again.
7237 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
7238 models for multilibing.
7239 * genmultilib: Accept | as alternative separator within a set in
7242 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
7244 * calls.c (precompute_arguments): Make sure initial_value contains
7245 value pseudo which CSE expects.
7246 * cse.c (struct set): New entry orig_src.
7247 (cse_insn): Set it early on entry, use it for libcall EQUIV note
7250 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
7252 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
7254 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7256 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
7258 1999-12-08 Jakub Jelinek <jakub@redhat.com>
7260 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
7261 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
7263 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
7266 * longlong.h: Merge in changes from glibc.
7267 Also don't clobber %g2 register in 32bit SPARC assembly, so that
7268 -mno-app-regs libgcc can be compiled.
7269 * libgcc2.c: Add defines so that the updated longlong.h
7270 can be used in libgcc2.a. Also, make sure on most architectures
7271 (at least on all which have optimized code in longlong.h defined
7272 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
7274 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7276 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
7277 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
7278 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
7280 * configure: Rebuilt.
7282 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
7284 * alpha.c (secondary_reload_class): For !BWX, sub-simode
7285 outputs require a register.
7287 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
7289 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
7290 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
7291 functions like dptoul will be resolved.
7292 (libgcc2.a): Make sure that the object files from DPBIT are named
7293 differently (prefix `_dp') from those that would be coming from
7296 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
7298 * configure.in: When target is sparc* and tm_file contains 64,
7299 test for 64bit support in assembler. If not supported, remove
7300 sparc/t-sol2-64 from target-dependent Makefile fragments.
7301 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
7302 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
7303 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
7304 * acconfig.h (AS_SPARC64_FLAG): Added.
7305 * configure, config.in: Rebuilt.
7306 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
7307 support. Use AS_SPARC64_FLAG.
7309 1999-12-07 Jakub Jelinek <jakub@redhat.com>
7311 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
7312 suitable for holding OFmode values so that gcc works with complex
7314 (hard_64bit_mode_classes): Likewise.
7316 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
7317 so that it is actually matched.
7318 (sethi_di_medlow): Likewise.
7320 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
7321 as legitimate constant if -mvis.
7322 * config/sparc/sparc.md (movtf): Likewise.
7323 (clear_sf): Use const_double_operand.
7324 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
7326 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
7327 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
7328 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
7329 routines, _Qp_* cannot be handled like that now.
7330 (INIT_TARGET_OPTABS): Likewise.
7331 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
7332 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
7333 sparc_emit_float_lib_cmp if ARCH64 and soft float.
7334 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
7335 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
7336 divtf3, sqrttf3): New expanders.
7337 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
7338 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
7339 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
7342 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
7343 * configure: Rebuilt.
7344 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
7345 -mcpu is given and we're doing 64bit compiles.
7347 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
7349 * loop.h (struct induction): Add multi_insn_incr.
7350 * loop.c (basic_induction_var): New multi_insn_incr argument.
7351 Set it if we search back through previous insns for the biv.
7352 (record_biv): New multi_insn_incr argument; fill in struct induction.
7353 (strength_reduce): Discard an iv with multiple bivs, any of
7354 which require multiple insns to increment.
7356 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7358 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
7361 1999-12-06 David S. Miller <davem@redhat.com>
7363 * combine.c (check_promoted_subreg): Do not conditionalize this upon
7364 PROMOTE_FUNCTION_RETURN.
7366 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
7368 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
7369 and handle REG_UNUSED note on insn.
7371 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
7372 inner_mask instead of mask.
7374 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
7376 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
7377 zero if there was an error.
7379 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7381 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
7384 * longlong.h: Fix clobbers in SPARC asm statements.
7386 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
7387 valid sethi operations when TARGET_ARCH64.
7389 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
7390 always use move_by_pieces to avoid infinite recursion.
7391 (restore_fixed_argument_area): Likewise.
7393 * combine.c (check_promoted_subreg, record_promoted_value): New
7395 (combine_instructions): Use them to retain nonzero and sign bit
7396 information after SUBREGs are eliminated by optimizations in
7397 this pass if PROMOTE_FUNCTION_RETURN.
7399 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
7400 .register declaration. Don't use variables with __ prefixes.
7402 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7404 * fold-const.c (optimize_bit_field_compare): Only use one mode
7405 for both RHS and LHS in non-constant case.
7407 1999-12-06 Nathan Sidwell <nathan@acm.org>
7409 * frame.c (start_fde_sort): Only allocate erratic array, if
7410 linear one was allocated. Return allocated flag.
7411 (fde_insert): Only insert, if there's a valid array.
7412 (fde_end_sort): Split, sort and merge if linear and erratic
7413 arrays exist, else just sort linear one.
7414 (search_fdes): New function. Linear search through original fde
7416 (frame_init): Permit multiple initializations. Cope with
7418 (find_fde): Fallback on linear search, if failed to sort array.
7419 (__deregister_frame_info): Only free sorted array, if we
7422 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7424 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
7426 1999-12-05 Jakub Jelinek <jakub@redhat.com>
7428 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
7430 1999-12-05 Mark Mitchell <mark@codesourcery.com>
7432 * tree.h (special_function_p): Declare.
7433 * calls.c (special_function_p): Make it global. Don't take `name'
7434 as a parameter. Fix typo in 1999-11-28 change.
7435 (expand_cal): Adjust.
7437 1999-12-04 Mark Mitchell <mark@codesourcery.com>
7439 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
7440 * tree.h (EXPR_WFL_FILENAME): Define in terms of
7441 EXPR_WFL_FILENAME_NODE.
7442 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
7444 * print-tree.c (print_note): Print TREE_PRIVATE and
7447 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
7448 the original die cannot be found.
7450 * varray.h (varray_head_tag): Add elements_used.
7451 (VARRAY_PUSH): New macro.
7452 (VARRAY_POP): Likewise.
7453 (VARRAY_TOP): Likewise.
7454 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
7456 * varray.c (varray_init): Initialize elements_used.
7457 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
7458 (INTEGRATE_H): New variable.
7459 (integrate.o): Depend on INTEGRATE_H.
7460 (unroll.o): Likewise.
7462 * function.h (insert_block_after_note): Declare.
7463 * function.c (insert_block_after_note): Split out from ...
7464 (retrofit_block): ... here.
7466 * stmt.c (expand_fixup): Fix typo in comment.
7468 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7470 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
7471 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
7472 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
7473 (regmove_optimize, fixup_match_1): Likewise.
7475 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7477 * flow.c (flow_loops_dump): Add missing argument when calling
7480 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
7481 Greg McGary <gkm@gnu.org>
7483 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
7484 (init_attributes): Add A_NO_LIMIT_STACK.
7485 (decl_attributes): Handle A_NO_LIMIT_STACK.
7486 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
7487 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
7488 Handle stack bounds checking.
7489 * flags.h (flag_stack_check): Use the word 'probe' rather than
7490 'check', because the flag doesn't actually cause any checking to
7492 * function.c (expand_function_start): Set
7493 current_function_limit_stack.
7494 * function.h (struct function): Add limit_stack.
7495 (current_function_limit_stack): Define.
7496 * invoke.texi (Code Gen Options): Document new options.
7497 * rtl.h: Declare stack_limit_rtx.
7498 * toplev.c (stack_limit_rtx): New variable.
7499 (decode_f_option): Handle new options -fstack-limit-register=REG,
7500 -fstack-limit-symbol=IDENT, -fno-stack-limit.
7501 (main): Add stack_limit_rtx as GC root.
7502 * tree.h (DECL_NO_LIMIT_STACK): New macro.
7503 (struct tree_decl): New member no_limit_stack.
7505 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
7507 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
7508 (conditional_trap+1): Get new mnemonic correct.
7509 (conditional_trap+2): New pattern for DImode traps.
7511 * config/m68k/m68k.c (output_function_prologue): Handle
7513 * config/m68k/m68k.md (trap): New insn.
7514 (conditional_trap): New insn.
7515 * md.texi (Standard Names): Document `trap' and
7517 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
7518 so a cc0 setter doesn't get emitted at some random place in the
7521 * config/i960/i960.md (trap): New insn.
7522 (conditional_trap): New expander.
7523 (conditional_trap+1, conditional_trap+2): New insns for signed
7525 * config/i960/i960.c (i960_function_prologue): Use
7526 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
7528 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
7529 Geoffrey Keating <geoffk@cygnus.com>
7531 * flags.h (warn_padded, warn_packed): Add global var decls.
7532 * toplev.c (warn_padded, warn_packed): Add global var defns.
7533 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
7534 * stor-layout.c (layout_record): Add local variable `type'
7535 to hold often-used TREE_TYPE (field). Add local variable
7536 `unpacked_align' to hold alignment that would be in force
7537 if no `packed' attribute were present. Warn if `packed' attribute
7538 is unnecessary, or even harmful. Warn when gcc inserts padding
7539 to satisfy alignment requirements of members. Use NULL_TREE
7540 when checking whether var_size is set.
7541 * invoke.texi: Document new flags.
7543 1999-12-03 Nathan Sidwell <nathan@acm.org>
7545 * frame.c (fde_split): Reimplement to avoid variable sized array.
7547 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7549 * combine.c (try_combine): Before fixing up LOG_LINKS for the
7550 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
7552 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
7554 * invoke.texi: Document the mips option -mno-crt0
7556 1999-12-02 Mike Karr <mkarr@mathworks.com>
7558 * cccp.c (argdata): Added free_ptr member.
7559 (macroexpand): Initialize free_ptr of each argument. When an
7560 argument's buffers are freed, if the argument's free_ptr corresponds
7561 to a buffer on the input stack, then return the free_ptr to that stack
7562 frame, otherwise, free it.
7563 (macarg): If an argument begins and ends on the same input stack level,
7564 then transfer the free_ptr of that buffer to the argument in case
7565 the stack is popped during the processing of a subsequent argument.
7567 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
7569 * loop.c (note_reg_stored): New function.
7570 (struct note_reg_stored_arg): New structure.
7571 (try_copy_prop): Change to be more conservative; only replace within
7572 one extended basic block and stop replacing if a store to the
7573 replacement reg is seen.
7575 1999-12-02 Nick Clifton <nickc@cygnus.com>
7577 * config/fp-bit.c: Initialise all fields of the NAN
7580 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
7583 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
7585 * i386.md (extend?f?f2): Force the input into a register, not
7588 1999-12-01 Jakub Jelinek <jakub@redhat.com>
7590 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
7592 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
7593 alternative because setting up 64bit constant is usually costly,
7594 especially when reload is in progress or completed.
7595 (movdf_const_intreg_sp64): Likewise.
7596 (movdf_const_intreg split): Fix building up constants when
7597 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
7599 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
7601 * combine.c (if_then_else_cond): Use const_true_rtx instead of
7602 const1_rtx for return values in EQ/NE comparison against (const_int 0)
7605 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
7606 (asm_file_start): Emit .am33 into assembly file when compiling for
7608 (print_operand_address): Handle POST_INC addresses.
7609 (can_use_return_insn, initial_offset): Check AM33 registers too.
7610 (expand_prologue): Check & save AM33 registers too.
7611 (expand_epilogue): Similarly.
7612 (secondary_reload_class): Handle AM33 specific secondary reloads.
7613 (output_tst): Emit efficient code for the AM33 too.
7614 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
7615 (TARGET_SWITCHES): Add -mam33 switch.
7616 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
7617 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
7618 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
7619 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
7620 (enum reg_class, REG_CLASS_NAMES): Likewise.
7621 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
7622 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
7623 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
7624 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
7625 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
7626 (HAVE_POST_INCREMENT): Define.
7627 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
7628 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
7629 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
7630 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
7631 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
7632 (zero_extend to SI from QI/HI): Likewise.
7633 (sign_extend to SI from QI/HI): Likewise.
7634 (mulsidi3, umulsidi3): New patterns for the AM33.
7635 (tstsi with zero extension from QI/HI): Add AM33 variants.
7636 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
7637 (return_internal_regs, store_movm): Handle new AM33 registers.
7638 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
7639 (LIBGCC, INSTALL_LIBGCC): Likewise.
7640 * invoke.texi: Document new flags.
7642 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
7644 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
7645 (addsi3_carry): Likewise.
7646 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
7647 (sbbsi3_carry): Likewise.
7648 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
7650 (test?i_1): Ensure that only one operand is memory.
7651 (conditional move patterns): likewise.
7652 (shift and rotate patterns): Rewrite to expander, add
7653 "binary_operator_ok" to the condition.
7655 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
7656 * i386.h (procesor_costs): Add movzbl_load field.
7657 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
7658 non-Q registers, accept DImode registers anywhere.
7660 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
7661 * i386.c (*_cost): Set value for movxbl_load field.
7663 * (addsi): New add to lea splitter.
7665 (lea to add/shift peep2): New.
7667 1999-12-01 Mark Salter <msalter@cygnus.com>
7669 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
7670 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
7671 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
7673 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7675 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
7676 * i386.md (movsi_xor): New.
7678 (movsi_1, movhi_1, movqi_1): Remove.
7679 (movsi_2): Rename to movsi_1.
7680 (movhi_2): Rename to movhi_1.
7681 (movqi_2): Rename to movqi_1.
7682 (movdi_1): Remove; remove splitter.
7683 (movdi_2): Rename to movdi_1.
7684 (divmodsi4 splitter): Do not emit clobbers for move patterns.
7685 (long move peep2): Do not create QI or HI mode mov0s
7686 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
7688 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
7691 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
7692 (abs?f2_if): Likewise.
7694 1999-11-30 Alex Samuel <samuel@codesourcery.com>
7696 * ggc.h (ggc_test_and_set_mark): New macro.
7697 (ggc_mark_rtx): Use ggc_test_and_set_mark.
7698 (ggc_mark_tree): Likewise.
7699 (ggc_mark_rtvec): Likewise.
7700 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
7702 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
7704 * dwarf2out.c (scope_die_for): Only handle types. Only search for
7706 (decl_scope_table): Just an array of trees now.
7707 (push_decl_scope): Simplify.
7708 (dwarf2out_init): Adjust.
7709 (local_scope_p): New fn.
7710 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
7711 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
7712 (gen_typedef_die): Likewise.
7713 (gen_lexical_block_die): Don't call push/pop_decl_scope.
7714 (gen_inlined_subroutine_die): Likewise.
7715 (gen_abstract_function): Set current_function_decl temporarily.
7716 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
7717 Handle block extern declarations. Don't call push/pop_decl_scope.
7718 (gen_decl_die): Fix logic for block externs.
7720 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7722 * calls.c (special_function_p): Remove `realloc' and add `strdup'
7723 to the list of functions which have attribute malloc by default.
7725 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7727 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
7728 integer constant does not match the traditional type, limit the
7729 warnings to cases where the base of the type is ten.
7731 * invoke.texi (-Wtraditional): Document it.
7733 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7735 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
7736 * rs6000.md: Only access a CONST_INT with INTVAL
7738 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
7740 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
7741 (compute_nearerout): Likewise.
7742 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
7743 size_t to unsigned long for formatting.
7745 1999-11-30 Jakub Jelinek <jakub@redhat.com>
7747 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
7748 Allow the user to override call-used/fixed state of %g2-5
7749 registers from the command line (with the exception of %g4 for
7751 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
7752 there is a higher chance of having a leaf function.
7753 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
7754 for ARCH64 which has %ccr register.
7755 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
7757 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
7758 insn accept into delay slot any insn which does not use %[ol]
7759 registers. Accept some LO_SUM and shift left by 1 for the normal
7761 (output_function_epilogue): Likewise.
7762 (epilogue_renumber): Added argument which inhibits any renumbering
7763 and just tests if the rtx does not use any %[ol] registers.
7764 (output_return): Reflect above change.
7766 1999-11-30 Jakub Jelinek <jakub@redhat.com>
7768 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
7769 aggregate passing for sizes <= 16 bytes.
7771 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
7773 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
7774 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
7775 * reload.c (find_dummy_reload): Likewise.
7776 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
7777 * reload1.c (reload_as_needed): Likewise.
7778 * stupid.c (stupid_find_reg): Likewise.
7779 * tm.texi (Obsolete Register Macros): Delete section.
7780 * gmicro.h: Remove all traces of the two macros.
7785 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
7787 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
7788 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
7789 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
7790 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
7791 units for the sparclite86x chip.
7792 (flush): Revert October 14th change; add SImode specifically.
7793 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
7794 * invoke.texi: Document it.
7796 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
7798 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
7799 psimode_truncation_operand.
7801 * config/mn10200/mn10200.c (psimode_truncation_operand): New
7802 function. Return true if the operand is either a MEM valid
7803 for a PSImode address or not a MEM at all.
7805 * config/mn10200/mn10200.md (truncsipsi2): Use
7806 psimode_truncation_operand.
7808 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7810 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
7811 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
7812 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
7813 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
7814 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
7815 (flow_loop_level_compute, low_loops_level_compute): Likewise.
7816 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
7817 * basic-block.h: Protect from multiple inclusion.
7818 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
7819 (struct loops, struct loop): Define structures.
7820 * sbitmap.c (sbitmap_a_subset_b_p): New function.
7821 * sbitmap.h: Protect from multiple inclusion.
7822 (sbitmap_a_subset_b_p): Add prototype.
7823 * Makefile.in (LOOP_H): New macro.
7824 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
7826 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
7828 * cppinit.c (CAT): The argument list of this macro may not contain
7831 1999-11-29 David S. Miller <davem@redhat.com>
7833 Move quantity tables and register equivalence chains into
7834 per-qty and per-register structure arrays respectively.
7835 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
7836 qty_const_insn, qty_comparison_code, qty_comparison_const,
7837 qty_comparison_qty): Delete, replace with...
7838 (qty_table): this structure table.
7839 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
7840 (reg_eqv_table): this structure table.
7841 (make_new_qty): Add argument MODE. Caller updated.
7842 Update to use qty_table and reg_eqv_table.
7843 (make_regs_eqv, delete_reg_equiv, insert_regs,
7844 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
7845 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
7846 cse_process_notes, cse_main, cse_basic_block): Likewise.
7848 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7850 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
7851 operation if C is negative.
7852 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
7853 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
7854 law for some divisions if constant is negative and change other
7855 divisions to the opposite rounding.
7857 * expr.c (store_constructor_field): If bit position is not multiple
7858 of alignment of TARGET's mode, use BLKmode.
7860 * expr.c (expand_expr_unaligned): Add more code from full case
7861 that is needed when OP0 is in a register.
7863 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7865 * dwarfout.c (field_byte_offset): Size can be zero if there was
7868 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
7870 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
7871 (associate_trees): Delete unused var TEM.
7872 (extract_muldiv): Delete unused var CANCEL_P.
7874 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
7875 (target_isinf, target_isnan, target_negative): Add return types to
7876 function definitions.
7878 1999-11-29 Bruce Korb <autogen@linuxbox.com>
7880 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
7881 * fixinc/hackshell.tpl: ditto
7882 * fixinc/fixtests.c(double_slash_test): more C++ header testing
7883 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
7885 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
7887 * reload.c (push_reload): When looking for a register to put into
7888 reg_rtx, make sure all hard regs in a multi-reg register are in the
7889 right class and nonfixed.
7891 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
7892 pending_read_insns, pending_write_insns, pending_read_mems,
7893 pending_write_mems, pending_list_length, last_pending_memory_flush,
7894 last_function_call, sched_before_next_call): Move static variables
7896 (bb_ prefixed versions): Replace with single array bb_deps.
7897 (struct deps): New structure.
7898 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
7899 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
7900 argument of type "struct deps *"; use that instead of global
7901 variables. All callers changed.
7902 (init_rgn_data_dependencies): Delete function.
7903 (init_rtx_vector): Delete function.
7904 (init_deps): New function.
7906 (free_pending_lists): Simplify, we always use the bb_deps array even
7907 if only one basic block.
7908 (compute_block_backward_dependences): Likewise.
7909 (schedule_region): Likewise.
7911 (propagate_deps): New function, broken out of
7912 compute_block_backward_dependences.
7913 (compute_block_backward_dependences): Use it.
7915 * alpha.md: Delete useless patterns that tried to work around
7916 register elimination problems.
7918 * unroll.c (loop_iterations): Don't abort if iteration variable
7921 From Joern Rennecke:
7922 * reload1.c (reloads_conflict): Reverse test comparing operand
7923 numbers when testing for conflict between output/outaddr reloads.
7925 1999-11-29 David S. Miller <davem@redhat.com>
7927 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
7929 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
7931 1999-11-28 Robert Lipe <robertl@cygnus.com>
7933 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
7934 table from .fini into .dtor.
7936 1999-11-28 Anthony Green <green@cygnus.com>
7938 * tree.h (struct tree_decl): Add malloc_flag.
7939 (DECL_IS_MALLOC): Define.
7940 * c-common.c (attrs): Add A_MALLOC attribute.
7941 (init_attributes): Add this attribute to the table.
7942 (decl_attributes): Handle malloc attribute.
7943 * calls.c (special_function_p): Check for the malloc attribute.
7944 * extend.texi (Function Attributes): Document malloc attribute.
7946 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
7948 * pa.md (reload shift-add patterns): Remove.
7950 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7952 * reorg.c (dbr_schedule) Print more statistics. Corrected
7953 problem when printing info when 3 delay slots are filled.
7955 1999-11-28 Jakub Jelinek <jakub@redhat.com>
7957 * combine.c (setup_incoming_promotions): Pass an outgoing
7958 regno to FUNCTION_ARG_REGNO_P which it expects.
7960 1999-11-28 Andreas Jaeger <aj@suse.de>
7962 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
7964 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
7966 * cccp.c (do_include): Avoid initialization of automatic variable.
7968 * integrate.c (mark_stores): Function definition made void, to match
7969 previous declaration.
7970 * regclass.c (dump_regclass): Ditto.
7971 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
7973 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7975 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
7976 known to be multiple of divisor.
7978 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
7980 * combine.c (try_combine): Add code to try to merge a set of a
7981 two-word pseudo to a constant with a setting of one of those words
7984 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
7985 (split_tree): Completely rework to make more general.
7986 (make_range, fold): Call negate_expr.
7987 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
7988 (fold, associate): Call new split_tree and associate_trees.
7989 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
7991 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
7993 * loop.c (try_copy_prop): Avoid GNU C extension.
7995 1999-11-25 Mark Mitchell <mark@codesourcery.com>
7997 * except.c (init_eh_for_function): Still zero eh_return_context,
7998 eh_return_stack_adjust, and eh_return_handler.
8000 * except.h (eh_status): Adjust documentation for x_protect_list.
8001 (begin_protect_partials): New function.
8002 * except.c (enqueue_eh_entry): Fix formatting.
8003 (get_first_handler): Add consistency check.
8004 (add_partial_entry): Adjust usage of protect_list.
8005 (emit_cleanup_handler): Save and restore ehqueue.
8006 (expand_start_all_catch): Add comment.
8007 (begin_protect_partials): New function.
8008 (end_protect_partials): Adjust usage of protect_list.
8009 (init_eh_for_function): Use xcalloc.
8011 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8013 * c-common.c (check_format_info): Don't call a variadic function
8014 with a non-literal format string.
8016 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
8018 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
8019 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
8022 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
8025 * collect2.c (collect_wait): Likewise.
8027 * dbxout.c (dbxout_type): Likewise.
8029 * gcc.c (do_spec_1): Likewise.
8031 * genemit.c (gen_insn, gen_expand): Likewise.
8033 * genrecog.c (write_switch, write_subroutine): Likewise.
8035 * mips-tfile.c (catch_signal, botch): Likewise.
8037 * print-rtl.c (print_rtx): Likewise.
8039 * toplev.c (default_print_error_function, report_error_function,
8040 _fatal_insn): Likewise.
8042 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8044 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
8046 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8048 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
8049 operations when needed.
8050 * i386.md (fop_?f_comm): New.
8051 (fop_?f_1): Do not accept commutative operands.
8053 1999-11-25 Andreas Jaeger <aj@suse.de>
8055 * config/mips/mips.md (casesi_internal): Add missing brace.
8057 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
8059 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
8060 (splice_child_die): Handle moving a child DIE from the declaration
8061 DIE of a class to its specification.
8062 (gen_struct_or_union_type_die): Use 'complete' consistently.
8063 (gen_decl_die): Generate the virtual context DIE first.
8064 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
8066 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
8068 * config/mips/mips.md (call_value_multiple_interanal1): New.
8070 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
8072 * dwarf2out.c (free_AT, free_die): New fns.
8073 (remove_children): Call them.
8074 (output_line_info): Disable removal of duplicate notes.
8076 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
8077 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
8078 means pretend the type isn't defined.
8079 Don't defer emitting types.
8080 (gen_type_die_for_member): New fn.
8081 (gen_decl_die): Call it.
8082 (splice_child_die): New fn.
8083 (gen_member_die): Call it rather than generate duplicate dies.
8085 Defer emitting information for the abstract instance of an inline
8086 until we either inline it or emit an out-of-line copy.
8087 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
8088 from output_inline_function if DECL_ABSTRACT is also set.
8089 (block_ultimate_origin): Likewise.
8090 (gen_abstract_function): New fn.
8091 (gen_decl_die, gen_inlined_subroutine_die): Call it.
8092 (gen_subprogram_die): An abstract instance is not a declaration
8093 just because it doesn't match current_function_decl. Don't abort
8094 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
8095 has an abstract origin.
8096 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
8097 abstract instance here.
8099 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
8101 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
8102 where we need to reload fpul from a system register.
8104 1999-11-24 Andreas Jaeger <aj@suse.de>
8106 * config/mips/linux.h (CPP_PREDEFINES): Added.
8107 (LINK_SPEC): Remove -Y since this is only needed on sparc.
8109 1999-11-24 Andreas Jaeger <aj@suse.de>
8111 * config/mips/linux.h (TARGET_VERSION): Added.
8112 (HANDLE_SYSV_PRAGMA): Added.
8113 (DEFAULT_VTABLE_THUNKS): Added.
8115 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8117 * local-alloc.c (qty): New structure and static variable.
8118 (qty_phys_reg): Remove, all references changed to qty.
8119 (qty_n_refs): Likewise.
8120 (qty_min_class): Likewise.
8121 (qty_birth): Likewise.
8122 (qty_death): Likewise.
8123 (qty_size): Likewise.
8124 (qty_mode): Likewise.
8125 (qty_n_calls_crossed): Likewise.
8126 (qty_alternate_class): Likewise.
8127 (qty_changes_size): Likewise.
8128 (qty_first_reg): Likewise.
8129 (alloc_qty): Rename variable QTY to QTYNO.
8130 (finf_free_reg): Likewise.
8131 (local_alloc): Allocate qty, do not allocate the removed variables.
8133 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
8135 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
8136 when -membedded-pic is passed.
8138 * config/mips/mips.md (casesi): Handle 64-bit case too.
8139 (casesi_internal_di): New insn.
8141 * config/mips/mips.c (embedded_pic_offset): Always make the
8142 embedded-pic subtractions relative to the name of the current
8143 function by use of the magic string "..CURRENT_FUNCTION".
8144 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
8146 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
8148 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
8149 of (const_int 0), when what we really care about is
8150 whether it's a zero constant anyway.
8151 (div_trap_mips16): Likewise.
8153 1999-11-23 Mark Mitchell <mark@codesourcery.com>
8155 * loop.c (loop_optimize): Always find_loop_tree_blocks and
8156 unroll_block_trees when generating debuggable code.
8158 * tree.h (unsave_expr_1): New function.
8159 (lang_unsave): New variable.
8160 (get_callee_fndecl): New function.
8161 * tree.c (unsave_expr_now_r): New function.
8162 (lang_unsave): Define.
8163 (unsave_expr_1): Likewise.
8164 (unsave_expr_now_r): Split out from unsave_expr_now.
8165 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
8166 call unsave_expr_now_r.
8167 (get_callee_fndecl): Define.
8169 * Makefile.in (gencheck): Don't depend on lang_tree_files.
8170 (gencheck.o): Do depend on lang_tree_files.
8172 * integrate.h (copy_decl_for_inlining): New declaration.
8173 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
8174 (copy_decl_for_inlining): New function.
8175 (integrate_parm_decls): Use it.
8176 (integrate_decl_tree): Likewise.
8178 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
8180 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
8181 the second two from the first.
8182 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
8183 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
8184 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8186 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
8187 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8190 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
8192 * pa.md (call_internal_symref, call_value_internal_symref): No mode
8193 needed on the address operand.
8194 * pa.c (call_operand_address): Check for the correct mode.
8196 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
8198 * loop.c: Include "basic-block.h".
8199 (try_copy_prop, replace_loop_reg): New functions.
8200 (load_mems): Detect registers that just hold copies of the hoisted
8201 mem, and call try_copy_prop to eliminate them.
8202 * Makefile.in (loop.o): Update dependencies.
8204 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
8206 * Makefile.in (gencheck.o): Depend on gencheck.h.
8207 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
8208 (insn-peep.o): Depend on except.h and function.h.
8209 (insn-attrtab.o): Depend on RECOG_H.
8210 (insn-output.o): Depend on toplev.h and flags.h.
8211 (gengenrtl.o): Depend on real.h.
8212 (gen-protos.o): Depend on cpplib.h and cpphash.h.
8213 Unify all dependencies to be on RECOG_H rather than recog.h.
8215 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8217 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
8218 * configure.in: Try building a bi-arch 32/64-bit compiler on
8219 sparc-*-solaris2.7 and higher.
8220 * configure: Rebuild.
8222 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
8224 * config/freebsd.h: New, FreeBSD architecture independent file.
8225 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
8227 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
8228 directly by i386/freebsd.h.
8229 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
8230 independent configuration file.
8231 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
8232 directly by i386/freebsd.h.
8233 * configure: Rebuilt.
8235 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
8236 which is in the user's namespace.
8237 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
8238 `i386' which is not in our namespace.
8240 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
8242 * invoke.texi (ARM Options): Add in -mno-alignment-traps
8244 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8246 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
8247 (add_dwarf_attr, add_child_die): Just push onto the front.
8248 (reverse_die_lists): New fn.
8249 (add_sibling_attributes): Use it.
8250 (push_decl_scope): Reorganize.
8251 (add_name_and_src_coords_attributes): Don't set file and line for
8253 (gen_subprogram_die): An artificial function doesn't need to match
8255 (gen_compile_unit_die): Return the generated die. Only add
8256 AT_comp_dir if the filename is relative.
8257 (remove_AT): Simplify loop. Also free string values.
8258 (output_die): A DIE ref can't be null.
8259 (output_value_format, value_format): Take a dw_attr_ref.
8260 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
8261 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8262 AT_addr, AT_lbl): New fns.
8263 (various): Use them.
8264 (various): Constify.
8266 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8268 * combine.c (combine_simplify_rtx): When handling a SUBREG,
8269 take SUBREG_WORD into account.
8270 (if_then_else_cond): Likewise.
8272 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8274 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
8275 clause from BSD license, pursuant with
8277 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
8279 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
8281 * loop.c (load_mems): Reformat slightly.
8282 * basic-block.h (regset_head): New typedef.
8283 (INIT_REG_SET): New macro.
8285 1999-11-22 Bruce Korb <autogen@linuxbox.com
8287 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
8288 (mips-dec-bsd*): non-functional code
8289 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
8291 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
8292 added three replacement fixes
8293 (no_double_slash): removed comments that are not (any longer) pertinent
8294 (bad_lval): this fix currently runs against many files.
8295 The comment seems to indicate that we should select for files
8296 containing 'pragma extern_prefix'.
8298 * fixinc/fixinc.x86-linux-gnu: deleted
8299 * fixinc/inclhack.sh: regen
8300 * fixinc/fixincl.x: regen
8301 * fixinc/fixincl.sh: regen
8303 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
8305 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
8306 its code is INSN and it has no notes.
8308 1999-11-22 Andrew Haley <aph@cygnus.com>
8310 * varasm.c (function_defined): Remove.
8311 (make_function_rtl): Don't set function_defined.
8312 (make_decl_rtl): Remove global register warning.
8313 * regclass.c (no_global_reg_vars): New variable.
8314 (globalize_reg): Warn if function has already been defined.
8315 (regclass_init): Set no_global_reg_vars.
8317 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8319 * regclass.c (reg_pref): New structure and static variable
8320 (prefclass): Delete.
8322 (all uses of prefclass and altclass): Use reg_pref instead.
8324 1999-11-21 Nick Clifton <nickc@cygnus.com>
8326 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
8328 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
8329 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8330 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8332 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
8334 * varasm.c (output_constructor): Solve problem with long long
8335 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
8337 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8339 * global.c (allocno): New structure and static variable.
8340 (allocno_reg): Remove, all references replaced by allocno.
8341 (allocno_size): Likewise.
8342 (hard_reg_conflicts): Likewise.
8343 (hard_reg_preferences): Likewise.
8344 (hard_reg_copy_preferences): Likewise.
8345 (hard_reg_full_preferences): Likewise.
8346 (regs_someone_prefers): Likewise.
8347 (allocno_calls_crossed): Likewise.
8348 (allocno_n_refs): Likewise.
8349 (allocno_live_length): Likewise.
8350 (find_reg): Rename ALLOCNO to NUM.
8352 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
8354 (may_move_out_cost): New variable.
8355 (init_reg_sets_1): Initialize may_move_out_cost.
8356 (record_reg_classes): Use may_move_out_cost.
8358 * regclass.c (dump_regclass): New function.
8359 (regclass): New parameter DUMP, call DUMP_REGCLASS.
8360 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
8361 pass rtl_dump_file to regclass.
8362 * rtl.h (regclass): Update prototype.
8364 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8366 * i386.md (neg, not and abs patterns): Revmap to use
8367 ix86_expand_unary_operator and ix86_unary_operator_ok.
8368 (add?f and sub?f expanders): Force operand 1 to register.
8369 * i386.c (ix86_expand_unary_operator): Rewrite.
8370 (ix86_unary_operator_ok): Ensure that memory operands
8372 (ix86_binary_operator_ok): Do not allow operand 1 to
8373 come into memory and operand 0 not.
8374 (ix86_expand_binary_operator): Ensure that
8375 src1 is not non-matching memory.
8377 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
8378 to support integer registers and memory.
8379 (abss?2_integer): Likewise.
8381 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
8382 (REG_CLASS_NAMES): Likewise.
8383 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
8385 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
8386 (movsf): Likewise; unify 4th and 5th alternative.
8388 (movdf_1): Likewise; rename to movdf_integer.
8389 (pushxf): Likewise; rename to pushxf_integer; fix output template;
8390 remove redundant splitter.
8391 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
8392 (movdf_nointeger): New.
8393 (movxf_nointeger): New.
8394 (pushxf_nointeger): New.
8396 * i386.md (extend?f?f): Split to expander and pattern, refuse two
8397 memory operands in patterns.
8398 (fop*): Refuse two memory operands.
8400 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
8401 on !TARGET_USE_CLTD CPUs.
8403 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
8405 * extend.texi: Document C++ restricted pointers and references.
8407 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
8409 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
8410 (invalidate_skipped_set): Call it unconditionally.
8411 (cse_set_around_loop): Likewise.
8413 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8415 * rtl.texi (mem): Add documentation for alias-set argument
8418 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8420 * i386.h (struct_processor_costs): New fields int_load, int_store,
8421 fp_move, fp_load and fp_store
8422 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
8424 (MEMORY_MOVE_COST): New macro.
8425 * i386.c (386_cost): Define new fields.
8426 (i486_cost): Likewise.
8427 (pentium_cost): Likewise.
8428 (pentiumpro_cost): Likewise.
8429 (k6_cost): Likewise.
8431 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
8432 Geoffrey Keating <geoffk@cygnus.com>
8434 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
8436 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
8439 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
8440 (TARGET_STRICT_ALIGNMENT): New macro.
8441 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
8442 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
8443 * invoke.texi (M680x0 Options): Document -mstrict-align.
8445 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
8446 Richard Henderson <rth@cygnus.com>
8448 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
8449 (ix86_split_long_move): Declare.
8450 * i386.c (split_xf, ix86_split_movdi): Remove.
8451 (ix86_split_to_parts, ix86_split_long_move): New.
8452 * i386.md (dimode move splitters): Use ix86_split_long_move.
8453 (dfmode move splitters): Likewise.
8454 (xfmode move splitters): Likewise.
8455 (movsf_1): Allow F->r.
8456 (movdf_1, movxf_1): Allow F->ro.
8458 1999-11-17 Mark Mitchell <mark@codesourcery.com>
8460 * except.h (struct eh_entry): Add goto_entry_p.
8461 (eh_region_from_symbol): Remove prototype.
8462 * except.c (find_func_region_from_symbol): New function.
8463 (emit_cleanup_handler): Likewise.
8464 (eh_region_from_symbol): Make it static.
8465 (add_new_handler): Verify the argument.
8466 (find_func_region): Update comment.
8467 (expand_eh_region_end): Expand handlers here, rater than waiting
8468 until expand_leftover_cleanups or start_all_catch.
8469 (expand_leftover_cleanups): Don't expand here.
8470 (expand_start_all_catch): Or here.
8471 (expand_rethrow): Check the return value from find_func_region.
8472 * function.c (expand_function_end): Emit the catch_clauses.
8474 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
8476 * integrate.c (expand_inline_function): Add necessary check for NULL.
8478 1999-11-18 Nick Clifton <nickc@cygnus.com>
8480 * toplev.c (main): Correctly detect an unrecognised option.
8482 * cppinit.c (cpp_handle_option): Do not claim to have consumed
8483 a -f option if it has not been recognised.
8485 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
8487 * basic-block.h (update_life_extent): Remove trailing comma on
8488 enumeration type list.
8490 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8492 * varasm.c (output_constructor) Solved problem with long long
8493 bitfields. Corrected calculating this_time and shift. Also
8494 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
8496 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
8498 * flow.c (split_edge): Take looping structure into account when
8499 determining where to put the new block note.
8501 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
8503 * Makefile.in (ggc-none.o): Provide host specific version if
8506 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
8508 * cse.c (delete_trivially_dead_insns): Identify no-op insns
8509 containing subregs too.
8511 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8513 * invoke.texi: Add documentation for -muninit-const-in-rodata.
8514 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
8515 (TARGET_UNINIT_CONST_IN_RODATA): Define.
8516 (text_section): Add switches -munint-const-in-rodata and
8517 -mno-uninit-const-in-rodata.
8518 (ASM_OUTPUT_COMMON): Remove.
8519 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
8520 const objects should be placed in read-only data. Otherwise declare
8523 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
8525 * jump.c (jump_optimize_1): Revert last change.
8527 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
8529 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
8530 test if optimizing for size.
8532 1999-11-17 Mark Mitchell <mark@codesourcery.com>
8534 * Makefile.in (toplev.o): Depend on except.h.
8535 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
8537 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8539 * i386.md (divmodsi4): Rewrite to expander.
8540 (*divmodsi4_nocltd): New.
8541 (*divmodsi4_cltd): New.
8542 (divmodsi4 splitter): Handle the case when input comes in edx.
8543 (udivmodhi4): Do not use constraints in exander.
8544 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
8546 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
8548 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
8549 for the common case.
8551 1999-11-16 Jakub Jelinek <jakub@redhat.com>
8553 * explow.c (hard_function_value): Add outgoing argument.
8554 * expr.h (hard_function_value): Declare it.
8555 * calls.c (expand_call, emit_library_call_value): Update callers.
8556 * function.c (aggregate_value_p): Ditto.
8557 (diddle_return_value): Must look at the outgoing registers
8558 on archs with register windows.
8560 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
8562 * alpha.c (alpha_build_va_list): Use make_lang_type and
8563 initialize TYPE_NAME for the va_list record.
8565 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
8567 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
8569 * ggc.h (struct ggc_statistics): Rearrange elements for better
8570 packing on 64-bit hosts.
8571 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
8572 (compute_nearerout): Likewise.
8574 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
8576 * config/rs6000/rs6000.c (first_reg_to_save): Save
8577 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
8579 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
8581 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
8582 notion of nesting to find the DIE for a type or function.
8583 DIEs can go in limbo even if we got a context_die.
8584 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
8585 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
8587 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
8588 (gen_type_die): Writing out the context doesn't cause member class
8589 template instantiations to be written out as well.
8591 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
8593 * rs6000.h (ASM_OUTPUT_DEF): New.
8594 Based on proposed addition from David Edelsohn.
8596 1999-11-15 Robert Lipe <RobertLipe@usa.net>
8597 Bruce Korb <autogen@linuxbox.com>
8599 * fixinc/inclhack.def
8600 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
8601 (unixware7_byteorder_fix): added. Removes conflicts for new defs
8603 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
8604 (svr4_endian): enabled with SVR5
8605 (svr4_mkdev): simplified syntax and enabled with SVR5
8607 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
8609 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
8610 * configure: Rebuilt.
8611 * config/t-freebsd-thread: New file.
8613 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
8615 * i386.c (ix86_decompose_address): Verify the base is a REG
8616 before trying to examine its register number.
8618 * basic-block.h: Remove all #defines and prototypes related to
8620 (free_bb_mem, compute_preds_succs): Remove prototype.
8621 * rtl.h (free_bb_mem): Remove prototype.
8622 * flow.c (alloc_int_list_node); Remove function.
8623 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
8624 (compute_preds_succs, free_bb_mem): Likewise.
8625 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
8626 * toplev.c (rest_of_compilation): Likewise.
8627 * haifa-sched.c (build_control_flow): Use flow generated edge
8628 list to build the haifa specific edge list.
8629 (find_rgns): Use new CFG data structures instead of pred/succ lists.
8630 (schedule_insns): Do not build pred/succ lists anymore. Instead
8631 build the edge table.
8633 * basic-block.h (dump_bb_data): Remove declaration.
8634 * flow.c (dump_bb_data): Remove function.
8635 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
8636 (sbitmap_union_of_predsucc): Likewise.
8638 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
8639 argument. All callers changed.
8640 (delete_null_pointer_checks_1): No longer need to compute the
8643 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
8644 All callers changed.
8645 (pre_expr_reaches_here_p_work): Likewise.
8646 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
8647 * lcm.c (compute_laterin): Fix initialization of LATER.
8648 (compute_nearerout): Similarly for NEARER.
8650 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8652 * cse.c (set_nonvarying_address_components): Delete unused function.
8653 (refers_to_p): Likewise.
8655 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
8657 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
8660 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8662 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
8663 definition in do while (0).
8665 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
8667 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
8669 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
8671 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
8673 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
8675 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
8676 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
8677 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
8678 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
8680 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
8681 saved on the stack. Output more accurate stack frame statistics
8682 into assembler file.
8684 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
8686 * genextract.c (record_insn_name): New function.
8687 (get_insn_name): No longer a stub.
8688 (main): Call record_insn_name for each insn. After each label
8689 written, print the insn name in a comment.
8691 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8693 * output.h (const_section, init_section, fini_section): Add
8696 * alpha/elf.h (const_section): Delete declaration.
8698 * svr4.h (const_section): Likewise.
8700 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
8702 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
8703 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
8704 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
8706 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
8707 variable-sized array bounds.
8709 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
8711 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
8714 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8716 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
8717 addresses the same way GO_IF_LEGITIMATE_INDEX does.
8719 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8721 * cse.c (hash_arg_in_struct): Delete.
8722 (struct table_elt): Delete elt in_struct.
8723 (struct set): Delete elt src_in_struct.
8724 (merge_equiv_classes): Don't set either hash_arg_in_struct or
8725 the corresponding in_struct elts.
8726 (canon_hash): Likewise.
8727 (safe_hash): Likewise.
8728 (find_best_addr): Likewise.
8729 (record_jump_cond): Likewise.
8730 (cse_insn): Likewise.
8732 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
8734 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
8736 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
8739 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
8741 * function.c (diddle_return_value): Put back check that the DECL_RTL
8742 for the function is a register.
8744 * function.c (diddle_return_value): Use hard_function_value to
8745 get an rtx suitable for use in the USE/CLOBBER insn.
8747 * global.c (global_conflicts): Update comments.
8748 (record_conflicts): No need to record conflicts between pseudos here.
8750 1999-11-11 Bruce Korb <autogen@linuxbox.com>
8752 * fixinc/fixincl.c: Added verbose levels for status messages
8754 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8756 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
8757 operand as argument to expand_and or expand_binop.
8759 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
8761 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
8762 gcc_add_string_root.
8764 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
8766 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
8768 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
8770 * flow.c (compute_flow_dominators): Initially put all blocks on
8772 * lcm.c (compute_antinout_edge, compute_available): Similarly.
8773 * gcse.c (compute_cprop_avinout): Remove.
8774 (compute_cprop_data): Use compute_available.
8775 (delete_null_pointer_checks_1): Use compute_available.
8777 * basic-block.h (compute_available): Returns a void now.
8778 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
8779 to return a value anymore.
8780 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
8781 worklists. Fix boundary cases. Compute maximal solutions.
8782 (compute_laterin, compute_nearerout): Similarly.
8784 * dwarf2out.c (add_AT_location_description): Allow
8785 (mem (plus (pseudo) (...)) too.
8787 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
8789 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
8791 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
8792 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8794 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
8796 * gansidecl.h: Likewise.
8802 * toplev.h: Likewise.
8808 * varray.c: Likewise.
8810 * varray.h: Likewise.
8812 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
8814 * gcov.c (struct arcdata): Add hits and total, remove prob.
8815 (output_branch_counts): New.
8816 (process_args): Set output_branch_counts if -c.
8817 (calculate_branch_probs): Store hits and total instead of
8819 (output_data): Emit counts if output_branch_counts is true.
8820 * gcov.texi (Invoking Gcov): Document -c switch..
8822 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
8824 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
8825 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
8827 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
8829 * invoke.texi (C Dialect Options): Add missing builtins from
8831 * extend.texi (Other Builtins): Copy to this list.
8833 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8835 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
8836 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
8839 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
8841 * flow.c (compute_flow_dominators): No longer treat basic block 0
8842 or (n_basic_blocks - 1) specially. Clear the AUX field before
8843 starting computation of doms/pdoms. Fix initial state for pdoms.
8845 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8847 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
8848 match rtl.o's: added ggc.h and toplev.h
8849 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
8850 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
8851 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
8853 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
8855 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
8856 from HAVE_DOS_BASED_FILESYSTEM.
8857 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
8858 HAVE_DOS_BASED_FILESYSTEM.
8860 (split_directories): Only special-case DOS file names if
8861 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
8862 instead of explicit tests. Conditionalize on !VMS.
8863 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
8864 tests. Conditionalize on !VMS.
8865 (process_command): Only use make_relative_prefix if !VMS.
8866 (free_split_directories): Conditionalize on !VMS.
8867 (DIR_UP): Conditionalize on !VMS.
8869 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
8871 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
8873 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
8875 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
8878 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
8880 * invoke.texi (Environment Variables): Document relative path
8882 * gcc.c (DIR_UP): If not defined, define as "..".
8883 (standard_bindir_prefix): New static, holds target location to
8885 (split_directories): New function to split a filename into
8886 component directories.
8887 (free_split_directories): New function, release memory allocated
8888 by split_directories.
8889 (make_relative_prefix): New function, make a relative pathname if
8890 the compiler is not in the expected location.
8891 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
8892 can figure out an appropriate prefix from argv[0].
8893 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
8894 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
8895 STANDARD_BINDIR_PREFIX.
8897 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8899 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
8901 * config/c4x/c4x.h: Moved prototypes to c4x.h.
8902 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
8903 c4x_secondary_memory_needed) Delete.
8904 (fp_zero_operand): Add mode argument.
8906 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
8908 * reload1.c (reload_reg_free_for_value_p): Don't use a register
8909 that is in reload_reg_used.
8911 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
8913 * config/arm/arm-protos.h: New file: Prototypes for functions
8914 defined in arm.c and pe.c.
8915 * config/arm/arm.h: Fix compile time warnings.
8916 * config/arm/arm.c: Fix compile time warnings.
8917 * config/arm/pe.h: Fix compile time warnings.
8918 * config/arm/aout.h: Fix compile time warnings.
8920 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
8922 * config/m32r/m32r-protos.h: New file: Prototypes for functions
8925 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
8926 Add support for subtargets.
8927 Add prototypes for new predicates.
8928 Add scheduling macros.
8930 * config/m32r/m32r.c: Fix compile time warnings.
8931 (int8_operand): New predicate function.
8932 (reg_or_cmp_int16_operand): New predicate function.
8933 (extend_operand): New predicate function.
8934 (m32r_adjust_code): New scheduling function.
8935 (m32r_adjust_priorty): New scheduling function.
8936 (m32r_sched_init): New scheduling function.
8937 (m32r_sched_reorder): New scheduling function.
8938 (m32r_sched_variable_issue): New scheduling function.
8939 (direct_return): New codegen function.
8940 (m32r_not_same_reg): New rtl testsing function.
8942 * config/m32r/m32r.md: Fix compile time warnings.
8943 Add support for pre decrement and post increment memory
8948 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8950 * global.c (EXECUTE_IF_CONFLICT): Don't define.
8951 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
8952 (find_reg): Likewise.
8954 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
8956 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
8957 to avoid assembler errors.
8959 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
8961 * config/v850/v850-protos.h: New file: Prototypes for functions
8963 * config/v850/v850.h: Move prototypes to v850-protos.h
8964 * config/v850/v850.c: Move prototypes to v850-protos.h
8965 * config/v850/v850.md: Fix compile time warnings.
8967 * config/fr30/fr30-protos.h: New file: Prototypes for functions
8969 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
8970 * config/fr30/fr30.c: Fix compile time warnings.
8971 * config/fr30/fr30.md: Fix compile time warnings.
8973 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
8975 * tree.h (get_containing_scope): Declare it.
8976 * tree.c (get_containing_scope): New fucntion.
8977 (decl_function_context): Use it.
8978 * toplev.c (rest_of_compilation): Use get_containing_scope.
8980 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8982 * Makefile.in (rtl.o): Depend on toplev.h.
8984 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
8986 * cse.c (delete_trivially_dead_insns): Replace alloca with
8988 * except.c (update_rethrow_references): Likewise.
8989 (init_eh_nesting_info): Likewise.
8990 * function.c (identify_blocks): Likewise.
8991 * gcse.c (dump_hash_table): Likewise.
8992 * graph.c (print_rtl_graph_with_bb): Likewise.
8993 * loop.c (combine_movables): Likewise.
8994 (move_movables): Likewise.
8995 (count_loop_regs_set): Likewise.
8996 (strength_reduce): Likewise.
8997 * profile.c (compute_branch_probabilities): New function, split
8999 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
9000 * regclass.c (regclass): Likewise.
9001 * regmove.c (regmove_optimize): Likewise.
9002 * toplev.c (compile_file): Likewise.
9003 (main): Don't mess with the stack rlimit.
9005 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
9007 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
9008 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
9010 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
9012 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
9014 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
9016 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
9017 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
9020 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
9022 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
9024 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
9026 * gcse.c (post_dominators): Kill.
9027 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
9028 (compute_code_hoist_data): Use compute_flow_dominators. Do not
9029 pass in a pdom array since we do not need pdoms.
9030 * haifa-sched.c (schedule_insns): Similarly.
9031 * flow.c (compute_dominators): Remove dead function.
9032 (compute_flow_dominators): Do not compute doms or pdoms if the
9033 caller does not request them. Split up loop to build doms and
9034 pdoms. Use a worklist to compute doms and pdoms.
9035 * basic-block.h (compute_dominators): Remove prototype.
9037 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
9039 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
9040 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
9041 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
9042 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
9043 (cant_move, fed_by_spec_load, is_load_insn): Remove.
9044 (schedule_region): Remove unused variable.
9045 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
9047 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
9049 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
9050 (update_equiv_regs): Likewise.
9051 (block_alloc): Likewise.
9052 * reg-stack.c (reg_to_stack): Likewise.
9053 (convert_regs_2): Likewise.
9054 * reload1.c (reload_as_needed): Likewise.
9056 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
9058 * Makefile.in (dbxout.o): Depend on ggc.h.
9059 (dwarf2out.o): Likewise.
9060 (xcoffout.o): Likewise.
9061 * dbxout.c: Include ggc.h.
9062 (dbxout_init): Register lastfile as a root.
9063 * dwarf2out.c: Include ggc.h.
9064 (dwarf2out_line): Register lastfile as a root.
9065 * xcoffout.c: Include ggc.h.
9066 (xcoffout_source_line): Register xcoff_lastfile as a root.
9068 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
9070 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
9072 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
9074 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
9076 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9078 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9080 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
9081 (EXECUTE_IF_CONFLICT): Likewise.
9082 (ALLOCNO_LIVE_P): Avoid signed division.
9083 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
9084 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
9085 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
9087 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
9089 * haifa-sched.c (schedule_block): Don't crash if there's no
9090 next insn for an interblock movement.
9091 (add_branch_dependences): Don't allow clobber insns to move either.
9093 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
9095 * i386.c (split_xf): New.
9096 * i386-protos.h: Declare it.
9097 * i386.md (movxf_1): Add general regs alternatives.
9098 (movxf_1+1): New splitter for same.
9100 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
9102 * function.c (purge_addressof_1): Add missing return values.
9104 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
9106 * function.c (is_addressof): New function. Returns true if
9107 the given piece of RTL is an ADDRESSOF.
9108 (purge_addressof_1): Make boolean. Return false if the
9109 ADDRESSOFs could not be purged.
9110 (purge_addressof): If ADDRESSOFs could not be purged from the
9111 notes attached to an insn, remove the offending note(s),
9112 unless they are attached to a libcall.
9114 1999-11-05 Andreas Jaeger <aj@suse.de>
9116 * genoutput.c (null_operand =): Initialize all fields.
9118 * errors.h: Add extern to prototypes.
9120 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
9122 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
9123 * configure: Rebuilt.
9125 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9127 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
9128 (mirror_conflicts): New function.
9129 (global_alloc): Call it.
9130 (expand_preferences): Remove redundant CONFLICTP test.
9131 (find_reg, dump_conflicts): Likewise.
9132 (prune_preferences): Process conflicts one word at a time.
9134 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
9136 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
9137 instead of an explicit loop.
9139 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
9141 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
9142 if REG_RETVAL check succeeds, then put classp in src_elt.
9144 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
9146 * function.c (pad_to_arg_alignment): Only update argument_pad
9147 if the argument's alignment is greater than STACK_BOUNDARY.
9149 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
9151 * bitmap.h (BITMAP_XFREE): New.
9152 * flow.c (life_analysis): Use it.
9153 (life_analysis_1): Free blocks.
9155 * combine.c (undo_commit): New.
9156 (try_combine): Use it. Don't zap undobuf.undos.
9157 (combine_instructions): Don't zap undobuf.undos; free the
9160 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
9162 * stmt.c (cost_table_): New.
9163 (estimate_case_costs): Use it instead of xmalloc.
9165 * toplev.c (compile_file): Reuse dumpname memory instead
9168 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
9170 * reg-stack.c (convert_regs_1): Initialize target_stack->top
9171 after verifying an EH edge.
9173 * haifa-sched.c (init_rgn_data_dependences): Correctly
9174 size bb_pending_lists_length when zeroing.
9176 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
9178 * function.c (diddle_return_value): New.
9179 (expand_function_end): Use it.
9180 * stmt.c (expand_null_return): Likewise.
9181 (expand_value_return): Likewise.
9183 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
9185 * reload1.c (reload): Don't remove return value clobbers.
9187 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
9189 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
9191 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
9193 * cse.c (cse_main): Use xmalloc, not alloca.
9194 (cse_basic_block): Likewise.
9195 * local-alloc.c (local_alloc): Likewise.
9197 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
9198 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9200 * rtl.c: Include toplev.h.
9201 (fatal): Remove declaration.
9203 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
9205 * haifa-sched.c (schedule_block): Fix thinko.
9207 1999-11-03 James McKelvey <mckelvey@fafnir.com>
9209 * fixinc/fixincl.c(create_file): Allow for systems that do not have
9210 S_IR* defined values
9212 1999-11-03 Philippe De Muyter <phdm@macqel.be>
9214 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
9215 call `malloc' instead.
9217 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
9219 * flags.h (flag_renumber_insns): Declare.
9220 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
9222 * rtl.h (renumber_insns): Change prototype.
9223 * toplev.c (flag_renumber_insns): Define.
9224 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
9226 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
9228 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
9229 and fpsqrtd. Use them and create fdiv function unit to more
9230 accurately represent fpu sqrt pipeline semantics on UltraSparc.
9231 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
9233 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
9235 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
9237 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
9238 insn into ready list, do not use just a raw swap.
9240 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
9242 * rtl.h (renumber_insns): New function.
9243 (remove_unnecessary_notes): Likewise.
9244 * emit-rtl.c (renumber_insns): Define.
9245 (remove_unncessary_notes): Likewise.
9246 * toplev.c (rest_of_compilation): Remove dead code.
9247 Use renumber_insns and remove_unncessary_notes.
9249 * gcse.c (struct null_pointer_info): New type.
9250 (get_bitmap_width): New function.
9251 (current_block): Remove.
9252 (nonnull_local): Likewise.
9253 (nonnull_killed): Likewise.
9254 (invalidate_nonnull_info): Take a null_pointer_info as input.
9255 (delete_null_pointer_checks_1): New function.
9256 (delete_null_pointer_checks): Use it.
9258 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
9259 (split_edges): Likewise.
9260 (schedule_block): Likewise.
9261 (compute_block_backward_dependencies): Likewise.
9262 (schedule_region): Likewise.
9263 (schedule_insns): Likewise.
9265 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
9267 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
9268 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
9269 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
9270 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
9271 * jump.c (delete_unreferenced_labels): Don't delete if
9272 LABEL_ALTERNATE_NAME is set.
9273 * print-rtl.c (print_rtx): Dump alternate name.
9274 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
9275 * rtl.h (LABEL_ALTERNATE_NAME): Define.
9276 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
9277 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
9279 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9281 * fix-header.c (recognized_extern, recognized_function): Constify
9284 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
9285 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9286 (compute_available): Remove unused variable `last'.
9287 (compute_nearerout): Remove unused variable `temp_bitmap'.
9288 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9289 Remove unused variable `x'.
9291 * scan.h (recognized_function, recognized_extern): Constify a
9294 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
9296 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9298 * varasm.c (decode_rtx_const): Use XSTR to access the string
9301 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
9303 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
9305 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9307 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
9309 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
9311 * pa.c (ireg_operand): New function.
9312 * pa.h (PREDICATE_CODES): Handle ireg_operand.
9313 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
9314 Fix out of date comment.
9316 * pa.md (negdi2): Turn into expander + anonymous pattern.
9318 * reload.c (find_reloads): Fix typos in recent change.
9320 * dwarf2out.c: Do not include ctype.h.
9322 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9324 * regclass.c (record_reg_classes): Always use may_move_cost when
9325 seeing how operand fits with various register classes.
9327 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
9329 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
9330 * toplev.c: Revert Nov 1 13:22 change.
9332 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
9334 * config/pa/pa.md (height reduction patterns): Add checks for
9335 overlapping operands to avoid semantic-destroying splits for
9336 height reduction patterns.
9338 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9340 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
9341 have been an hyphen, fixed.
9342 * configure: Rebuilt.
9344 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
9346 * config/arm/tpe.h: Add prototypes for exported functions.
9347 * config/arm/pe.c: Fix compile time warnings.
9348 * config/arm/semi.h: Fix compile time warnings.
9349 * config/arm/arm.c: Fix compile time warnings.
9350 * config/arm/arm.h: Fix compile time warnings.
9351 * config/arm/arm.md: Fix compile time warnings.
9352 * config/arm/thumb.c: Fix compile time warnings.
9353 * config/arm/thumb.h: Fix compile time warnings.
9354 * config/arm/thumb.md: Fix compile time warnings.
9356 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
9358 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
9361 * unroll.c (unroll_loop): Remove LOOP notes when loop is
9362 completely unrolled.
9364 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9366 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
9368 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
9370 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
9371 * rtl.h (rtx_equal_p): Move prototype.
9372 * rtl.c (rtx_equal_function_value_matters): Move from
9374 (rtx_equal_p): Likewise.
9375 * rtlanal.c (rtx_equal_function_value_matters): Delete.
9376 (rtx_equal_p): Likewise.
9378 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
9380 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
9383 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
9385 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
9387 * pa.h (ADDR_VEC_ALIGN): Define.
9389 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
9390 notes when presented with "if (foo) break; end_of_loop" and
9391 the break sequence gets moved out of the loop.
9393 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
9394 Remove explicit zero initializations of entries within MAP.
9396 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
9398 * reg-stack.c (convert_regs_1): Handle EH edges specially.
9400 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
9402 * bitmap.h (BITMAP_XMALLOC): New macro.
9403 * flow.c (CLEAN_ALLOCA): Remove.
9404 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
9405 (life_analysis): Likewise.
9406 (update_life_info): Don't use CLEAN_ALLOCA.
9407 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
9408 (calculate_global_regs_live): Likewise.
9409 (print_rtl_with_bb): Likewise.
9410 (verify_flow_info): Likewise.
9411 * global.c (global_alloc): Likewise.
9412 (global_conflicts): Likewise.
9413 * integrate.c (save_for_inline_nocopy): Likewise.
9414 (expand_inline_function): Likewise.
9415 * jump.c (jump_optimize_1): Likewise.
9416 (duplicate_loop_exit_test): Likewise.
9417 (thread_jumps): Likewise.
9418 * loop.c (loop_optimize): Likewise.
9419 (combine_givs): Likewise.
9420 (recombine_givs): Likewise.
9421 * reorg.c (dbr_schedule): Likewise.
9422 * unroll.c (unroll_loop): Likewise.
9424 * combine.c (combine_instructions): Use xmalloc instead of alloca.
9426 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
9428 * toplev.c (rest_of_compilation): Don't optimize the CFG
9429 when rebuilding, just before dbr.
9431 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9433 * output.h (assemble_end_function, assemble_destructor,
9434 assemble_constructor, assemble_gc_entry, assemble_global,
9435 assemble_label, output_constant_pool) Constify a char*.
9437 * varasm.c (assemble_destructor, assemble_constructor,
9438 assemble_gc_entry, assemble_end_function, assemble_global,
9439 assemble_label, output_constant_pool): Likewise.
9441 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
9443 * config/arm/thumb.c (thumb_expand_prologue): Add comments
9444 explaining what is goin on in this function.
9446 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9448 * regclass.c (record_reg_classes): In matching case, recompute
9449 costs since the direction of movement is different.
9451 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
9453 * resource.c (mark_target_live_regs): For unconditional branches,
9454 the resources found at the branch target should be added to the
9455 resources found so far, not intersected.
9457 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
9459 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
9461 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
9462 (sys/mman.h): Include this file only if #HAVE_MMAP.
9463 (run_compiles): Initialize `esac_fmt' with one old KR string, not
9464 with automatically concatenated ANSI strings.
9466 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
9468 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
9469 (DIV_ROUND_UP): Robustify.
9470 (ggc_recalculate_in_use_p): New function.
9471 (release_pages): Don't inline it.
9472 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
9474 (ggc_pop_context): Use ggc_recalculate_in_use_p.
9475 (clear_marks): Always save in_use_p.
9476 (sweep_pages): Use ggc_recalculate_in_use_p.
9477 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
9478 Release pages before counting statistics.
9480 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
9482 * toplev.c (rest_of_compilation): Fix thinko in this change:
9484 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
9486 (rest_of_compilation): If inside an inlined external function,
9487 pretend we are just being declared.
9489 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
9491 * flow.c (calculate_global_regs_live): Fix thinko.
9493 * integrate.c (expand_inline_function): Fix bugs in previous
9494 change from Oct 28, 1999.
9496 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
9498 * stmt.c (expand_value_return): Fix typo in this change:
9500 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9501 (expand_value_return): Correctly convert VAL when promoting function
9502 return; support RETURN_REG being a PARALLEL.
9504 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
9506 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
9508 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9510 * hard-reg-set.h (reg_names): Constify a char*.
9512 * regclass.c (reg_names): Likewise.
9514 * regs.h (reg_names): Likewise
9516 * a29k/a29k.c (reg_names): Delete declaration.
9518 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
9520 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
9521 arc_output_function_epilogue): Likewise.
9523 * elxsi/elxsi.c (reg_names): Likewise.
9525 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
9527 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
9530 * m88k/m88k.c (output_function_profiler): Likewise.
9532 * sparc/sparc.c (sparc_flat_output_function_prologue,
9533 sparc_flat_output_function_epilogue): Likewise.
9535 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
9537 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
9538 warning from -Wuninitialized and put it under -W.
9539 * function.c (uninitialized_vars_warning): Warn only when the
9540 corresponding flag is set.
9542 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
9544 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
9545 is nonzero and the single set does not have an elt, then assign
9548 * simplify-rtx.c: New file.
9549 * Makefile.in (OBJS): Add simplify-rtx.o
9550 (simplify-rtx.o): Add dependencies.
9551 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
9552 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
9553 (cse_gen_binary, simplify_unary_operation): Delete.
9554 (simplify_binary_operation, simplify_plus_minus): Likewise.
9555 (check_fold_consts, simplify_relation_operation): Likewise.
9556 (simplify_ternary_operation): Likewise.
9557 (delete_trivially_dead_insns): Simplify the contents of the
9558 REG_EQUAL note before trying to substitute it into the source
9559 of the reg-reg copy at the end of a libcall sequence.
9561 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
9562 references/callers changed.
9564 * mn10200.c (mn10200_va_arg): Force the return value into a
9567 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
9569 * cccp.c (macroexpand): Avoid out of range accesses for omitted
9572 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
9574 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
9576 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
9578 * fold-const.c (fold): Fix thinko when optimizing comparisons
9581 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
9583 * gcc.texi (Passes): Update front-end files to their current
9586 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
9588 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
9589 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
9590 (PREDICATE_CODES): Add addition_operation.
9591 * alpha-protos.h (addition_operation): Declare.
9592 (secondary_reload_class): Likewise.
9593 * alpha.c (addition_operation): New.
9594 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
9595 * alpha.md (adddi3): Turn into expander.
9596 (*lda, *adddi_2): New.
9597 (movsf, movdf patterns): Don't preference integer regs.
9598 (movsi, movdi patterns): Don't preference fp regs.
9600 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
9602 * genrecog.c (write_switch): Check for duplicate CODE cases.
9604 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
9606 * ggc-common.c: Update pre-function commentary.
9607 * ggc-page.c: Likewise.
9609 (poison_pages): Use memset directly.
9610 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
9611 (ggc_collect): Poison before sweeping.
9612 * ggc-simple.c: Update pre-function commentary.
9613 (ggc_alloc_obj): Poison non-zeroed memory.
9615 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
9617 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
9618 match format string, even on 64-bit hosts.
9619 * gcc-page.c (ggc_page_print_statistics): Likewise.
9621 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
9623 * config/i386/i386.c (ix86_cpu): Revert last patch.
9624 * config/i386/i386.h (ix86_cpu): Ditto.
9626 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
9628 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
9629 TYPE_SIZE, convert type of result to sizetype.
9631 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
9633 * flow.c (count_or_remove_death_notes): Equate NULL with the
9636 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
9637 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
9640 * i386.c (pic_label_no): Delete.
9641 (ix86_attr_length_default): Don't use single_set to peek
9644 * recog.c (peephole2_optimize): Allow recog_next_insn to index
9645 the first insn after bb->end.
9646 * i386.md (push mem peeps): Scratch is live after evaluation
9648 (cmp mem peep): Similarly.
9650 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
9652 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
9653 * function.c (pad_to_arg_alignment): Add missing braces.
9655 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9657 * alpha/alpha-protos.h (literal_section): Add prototype.
9658 (alpha_need_linkage, alpha_start_function,alpha_end_function):
9661 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
9663 (alpha_start_function, alpha_end_function, float_strings,
9664 alpha_need_linkage): Constify a char*
9666 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
9668 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
9670 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9672 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9674 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9676 * flow.c (debug_flow_info): Add prototype.
9678 * gcc.c (main): Likewise.
9680 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
9683 * reload1.c (failed_reload, set_reload_reg): Likewise.
9685 * mips-tfile.c (main): Likewise.
9686 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
9687 with ATTRIBUTE_NORETURN.
9689 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
9691 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
9692 DECL is not a memory ref.
9694 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
9696 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
9697 * config/i386/i386.c (ix86_cpu): Add extern attribute.
9699 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
9701 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
9702 * config/mips/elf64.h: ditto.
9704 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
9706 * expr.c (emit_push_insn): New argument alignment_pad.
9707 Update all callers. Adjust stack pointer based on alignment pad.
9708 * function.c (pad_to_arg_alignment): New argument alignment_pad.
9709 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
9710 (locate_and_pad_parm): New argument alignment_pad. Update all
9712 * expr.h (emit_push_insn): Update prototype.
9713 (locate_and_pad_parm): Update prototype.
9714 * calls.c (arg_data): Add new field alignment_pad.
9715 (initialize_argument_information): Initialize alignment_pad.
9717 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
9719 * except.c (free_eh_nesting_info): Free the info itself.
9720 * function.c (free_after_compilation): Don't free NULL.
9721 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
9722 (pre_edge_insert): Free inserted.
9723 * stmt.c (free_stmt_status): Don't free NULL.
9725 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
9727 * gcov.c (DIR_SEPARATOR): Provide default.
9728 (output_data): Add test for MS-DOS format absolute filename.
9729 (fancy_abort): Correct program name.
9730 (open_files): Open all files in binary mode.
9731 * libgcc2.c (__bb_exit_func): Likewise.
9733 * profile.c (init_branch_prob): Specify binary when opening files.
9735 * flags.h (flag_unwind_tables): New decl.
9736 * toplev.c (flag_unwind_table): New definition.
9737 (f_options): Add -funwind-tables.
9738 (decode_g_option): Clarify warning when unknown -g option is given.
9739 (rest_of_compilation): If inside an inlined external function,
9740 pretend we are just being declared.
9742 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
9743 (dwarf2out_frame_finish): Likewise.
9745 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
9747 * fold-const.c (merge_ranges): If not in0, but in1, handle
9748 upper bounds equal like subset case.
9750 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
9752 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
9753 passed in a register but moved to the stack.
9755 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
9757 * gcc.c (pass_exit_codes, greatest_status): New variables.
9758 (struct option_map): Add entry for "--pass-exit-codes".
9759 (execute): Update greatest_status if error.
9760 (display_help): Add documentation for -pass-exit-codes.
9761 (process_command): Handle -pass-exit-codes.
9762 (main): Look at pass_exit_codes and greatest_status on call to exit.
9764 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9766 * reload.c (find_reloads): Refine test for no input reload
9767 case to not includes reloads emitted after insn.
9769 * function.c (find_temp_slots_from_address): Handle sum involving
9770 a register that points to a temp slot.
9771 (update_temp_slot_address): Make recursive call if both old and
9772 new are PLUS with a common operand.
9773 * calls.c (expand_call): Mark temp slot for result as having
9776 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
9778 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
9779 component as well as "BINUTILS".
9781 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
9782 * integrate.c (copy_rtx_and_substitute): Likewise.
9783 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
9784 All callers changed.
9785 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
9787 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
9788 gdb extensions, write size of type; also be more consistent
9789 in using references when this is a subtype.
9791 * pa.md (extv, extzv, insv): Use define_expand to reject constant
9792 that is out of range.
9794 * loop.c (unknown_constant_address_altered): New variable.
9795 (prescan_loop): Initialize it.
9796 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
9797 (invariant_p, case MEM): Remove handling for volatile and readonly;
9798 check new variable if readonly.
9799 (check_dbra_loop): Chdeck unknown_constant_address_altered.
9801 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
9802 (addr_affects_sp_p): Removed from note_mem_written and only
9803 define #ifdef AUTO_INC_DEC.
9805 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
9807 * regclass.c (record_reg_classes): Properly handle register move
9810 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
9811 Don't think valid if both operands are invalid.
9812 (struct constant_descriptor): New field RTL.
9813 (mark_const_hash_entry): Mark it.
9814 (record_constant{,_rtx}): Initialize it.
9815 (output_constant_def): Allocate RTL in permanent obstack and
9817 ({record,compare}_constant_1): Modes must match for
9818 CONSTRUCTOR of ARRAY_TYPE.
9820 * c-common.h (initializer_constant_valid_p): Delete decl from here.
9821 * output.h (initializer_constant_valid_p): Move decl to here.
9822 * c-common.c (initializer_constant_valid_p): Delete function from here.
9823 * varasm.c (initializer_constant_valid_p): Move function to here.
9825 * tree.h (STRIP_SIGN_NOPS): New macro.
9826 * fold-const.c (optimize_minmax_comparison): New function.
9827 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
9828 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
9829 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
9830 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
9831 widening conversions.
9832 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
9833 to look at size of mode, not precision of type; also add missing cases.
9834 (optimize_bit_field_compare, decode_field_reference): Don't try to
9835 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
9837 * dwarf2out.c (ctype.h): Include.
9838 (dwarf2out_set_demangle_name_func): New function.
9839 (size_of_line_info): Deleted.
9840 (output_line_info): Compute size of line info table from difference
9842 (base_type_die, add_name_attribute): Call demangle function, if any.
9843 (field_byte_offset): Use bits per word for variable length fields.
9844 (gen_array_type_die): Add array name.
9845 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
9846 (dwarf2out_add_library_unit_info): New function.
9848 * explow.c (set_stack_check_libfunc): New function.
9849 (stack_check_libfunc): New static variable.
9850 (probe_stack_range): Allow front-end to set up a libfunc to call.
9852 * combine.c (simplify_comparison): When making comparison in wider
9853 mode, check for having commuted an AND and a SUBREG.
9854 (contains_muldiv): New function.
9855 (try_combine): Call it when dividing a PARALLEL.
9856 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
9857 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
9859 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
9860 use one of the CLOBBERs instead.
9861 (if_then_else_cond): If comparing against zero, just return thing
9864 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
9865 Don't generate shifts and subtract if have conditional arithmetic.
9867 * rtl.h (delete_barrier): New declaration.
9868 * jump.c (jump_optimize): Set up to handle conditional call.
9869 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
9870 (delete_barrier): New function.
9872 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
9874 * recog.c (nonmemory_operand): Accept ADDRESSOF.
9876 * tree.c (build_type_attribute_variant): Push to obstack of
9877 ttype around type_hash_canon call.
9879 * expr.c (placeholder_list): Move decl to file scope.
9880 (expand_expr): Don't force access to volatile just because its
9882 If ignoring reference operations, just expand the operands.
9883 (expand_expr, case COMPONENT_REF): Propagate
9884 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
9885 Refine test for using bitfield operations vs pointer punning.
9886 (expand_expr, case CONVERT_EXPR): If converting to
9887 BLKmode UNION_TYPE from BLKmode, just return inner object.
9888 Use proper mode in store_field call.
9889 Properly set sizes of object to store and total size in store_field
9890 call for convert to union.
9891 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
9892 memory (like for ADDR_EXPR). Also, don't put constant in register if
9893 we'll want it in memory.
9894 (readonly_fields_p): New function.
9895 (expand_expr, case INDIRECT_REF): Call it if LHS.
9896 (expand_assignment): Handle a RESULT_DECL where
9897 DECL_RTL is a PARALLEL.
9898 (do_jump, case WITH_RECORD_EXPR): New case.
9899 (get_inner_reference): Always go inside a CONVERT_EXPR
9900 and NOP_EXPR if both modes are the same.
9901 (store_field): Use bitfield operations if size of bitsize is not same
9902 as size of RHS's type.
9903 Check for bitpos not a multiple of alignment in BLKmode case.
9904 Do block move in largest possible alignment.
9905 (store_constructor): Set BITSIZE to -1 for variable size and properly
9906 in case of array of BLKmode.
9907 (expand_expr_unaligned): New function.
9908 (do_compare_and_jump): Call it.
9910 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
9911 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
9912 does not include 'o'.
9914 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
9915 both SET_DEST and SET_SRC reference a virtual register.
9916 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
9918 * integrate.c (expand_inline_function): Handle case of setting
9919 virtual stack vars register (from built in setjmp); when parameter
9920 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
9921 (subst_constant): Add new parm, MEMONLY.
9922 (expand_inline_function, integrate_parm_decls): Pass new parm.
9923 (integrate_decl_tree): Likewise.
9924 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
9925 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
9926 (copy_rtx_and_substitute, case SET): Add explicit calls to
9927 copy_rtx_and_substitute for both sides.
9929 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
9931 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
9932 within INDEX_TYPE, instead of before.
9933 (fixup_gotos): Use f->target_rtl, not the next insn,
9934 since latter may be from a later fixup.
9935 (expand_value_return): Correctly convert VAL when promoting function
9936 return; support RETURN_REG being a PARALLEL.
9937 (expand_return): When checking for result in regs and having
9938 cleanup, consider PARALLEL in DECL_RTL as being in regs.
9940 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
9942 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
9943 last_nominal_fname): Mark const.
9944 (struct include_hash: name, nshort, control_macro): Mark
9946 (struct macrodef: symnam): Mark const.
9947 (struct if_stack: fname): Mark const.
9948 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
9949 (IStable): New character-syntax array which encompasses all
9950 the old is_foo arrays.
9951 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
9952 is_space): New macros for interrogating IStable.
9953 (check_macro_name): Kill last argument. All callers changed.
9955 * cppinit.c (initialize_char_syntax): Delete.
9956 (is_idchar, is_idstart, is_hor_space, is_space,
9957 trigraph_table): Delete.
9958 (IStable): New. Initialize with clever macros to avoid
9959 information duplication.
9960 (builtin_array): Table of builtins to get rid of explicit list
9961 in initialize_builtins.
9962 (initialize_builtins): Use builtins_array.
9963 (cpp_start_read): Call init_IStable, and set IStable['$'] if
9964 opts->dollars_in_ident.
9966 * cppexp.c: Change all refs to is_xyz[] arrays to use new
9968 (cpp_parse_expr): Avoid 'format string is not constant'
9969 warning. Use ISGRAPH to identify printable chars.
9970 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
9972 (read_and_prescan): Map trigraphs to chars with open-coded
9973 if-else-if-... sequence, not a lookup table.
9974 * cpphash.c: Change all refs to is_xyz[] arrays to use new
9976 * cpplib.c: Change all refs to is_xyz[] arrays to use new
9977 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
9978 (check_macro_name): Remove ability to report an invalid
9979 assertion name, which is never used.
9980 (do_line): Constify a couple of char *'s.
9981 * cppmain.c (main): Call cpp_cleanup before returning.
9983 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
9985 * ggc.h (struct ggc_statistics): New type.
9986 (ggc_get_size): New function.
9987 (ggc_print_statistics): Likewise.
9988 * ggc-common.c (ggc_stats): New variable.
9989 (ggc_mark_rtx_children): Keep statistics.
9990 (ggc_mark_tree_children): Likewise.
9991 (ggc_print_statistics): New function.
9992 * ggc-page.c (struct globals): Add bytes_mapped field.
9993 (alloc_anon): Update it.
9994 (release_pages): Likewise.
9995 (ggc_get_size): New function.
9996 (ggc_page_print_statistics): New function.
9997 * ggc-simple.c (ggc_get_size): New function.
9999 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
10001 * flow.c (propagate_block): When the last reference to a label
10002 before an ADDR_VEC is deleted because the reference is a dead
10003 store, delete the ADDR_VEC.
10005 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
10007 * resource.c (find_free_register): Don't use the frame pointer
10008 if frame_pointer_needed.
10010 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
10012 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
10013 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
10015 * config/i960/i960.c (i960_va_start): New locals base, num.
10016 Use INDIRECT_REF instead of ARRAY_REF on valist.
10017 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
10019 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
10021 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
10023 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
10025 * tree.def (PLACEHOLDER_EXPR): Update comments.
10027 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10029 * c-common.c (check_format_info): Avoid non-literal format string
10030 warnings when `first_arg_num' is zero.
10032 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10034 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
10036 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
10038 * arm.md (casesi_insn): Add a clobber of the condition code
10041 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
10043 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
10044 used by both cc1 and cc1plus.
10046 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
10048 * config/arm/arm.c: Initialise arm_structure_size_boundary to
10049 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
10050 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
10051 to the value 32 if it has not already been defined.
10052 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
10053 Override definition in arm.h with a value of 8.
10055 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
10057 * c-pragma.c (push_alignment): Don't check the return value
10060 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
10062 * sparc.h (ADJUST_COST): Fix thinko.
10064 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
10066 * cccp.c (rescan): Fixed obp pointer handling around call to
10067 check_expand subroutine.
10069 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
10071 * gcse.c (delete_null_pointer_checks): Only record non-null info
10072 for pseudos when examining stores.
10074 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
10075 splitters for these patterns. Use "#" for output templates.
10076 (addsi3_carryin_shift): New pattern.
10078 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
10080 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
10081 of the function return register into a plain REG until
10082 after function inlining is done.
10084 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
10086 * jump.c (jump_optimize_1): If we did cross-jumping, and
10087 the data will matter, rebuild the CFG.
10088 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
10089 not optimizing. Don't run shorten_branches.
10090 * toplev.c (rest_of_compilation): Run shorten_branches after
10093 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
10095 * rtl.h (note_stores): Add additional paramter.
10096 * rtlanal.c (reg_set_p_1): Take additional paramter.
10097 (reg_set_last_1): Likewise.
10098 (reg_set_p): Adjust call to note_stores.
10099 (reg_set_last): Likewise.
10100 (note_stores): Pass data parameter to worker function.
10101 * alias.c (record_set): Take additional parameter.
10102 (init_alias_analysis): Pass it.
10103 * caller-save.c (mark_set_regs): Take additional parameter.
10104 (save_call_clobbered_regs): Pass NULL to note_stores.
10105 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
10107 (record_dead_and_set_regs_1): Likewise.
10108 (reg_dead_at_p_1): Likewise.
10109 (combine_instructions): Adjust calls to note_stores.
10110 (try_combine): Likewise.
10111 (record_dead_insn): Remove.
10112 (record_dead_and_set_regs): Adjust calls to note_stores.
10113 (reg_dead_at_p): Likewise.
10114 * cse.c (invalidate_skipped_set): Take additional parameter.
10115 (cse_check_loop_start): Likewise.
10116 (cse_check_loop_start_value): Remove.
10117 (cse_set_around_loop): Adjust calls to note_stores.
10118 * flow.c (notice_stack_pointer_modification): Take additional
10119 parameter. Remove duplicate declaration.
10120 (record_volatile_insns): Adjust calls to note_stores.
10121 * gcse.c (record_set_info): Take additional parameter.
10122 (record_last_set_info): Likewise.
10123 (invalidate_nonnull_info): Likewise.
10124 (record_set_insn): Remove.
10125 (compute_sets): Adjust calls to note_stores.
10126 (last_set_insn): Remove.
10127 (compute_hash_table): Adjust calls to note_stores.
10128 (insert_insn_end_bb): Likewise.
10129 (delete_null_pointer_checks): Likewise.
10130 * global.c (mark_reg_store): Take additional parameter.
10131 (mark_reg_clobber): Likewise.
10132 (reg_becomes_live): Likewise.
10133 (global_conflicts): Adjust calls to note_stores.
10134 (build_insn_chain): Likewise.
10135 * integrate.c (note_modified_parmregs): Take additional parameter.
10136 (mark_stores): Likewise. Make it static.
10137 (save_for_inline_nocopy): Adjust calls to note_stores.
10138 (try_constants): Likewise.
10139 * integrate.h (mark_stores): Remove declaration.
10140 * jump.c (mark_modified_reg): Take additional parameter.
10141 (thread_jumps): Adjust calls to note_stores.
10142 * local-alloc.c (validate_equiv_mem_from_store): Take additional
10144 (no_equiv): Likewise.
10145 (reg_is_set): Likewise.
10146 (validate_equiv_mem): Adjust calls to note_stores.
10147 (update_equiv_regs): Likewise.
10148 (block_alloc): Likewise.
10149 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
10150 (note_addr_stored): Take additional parameter.
10151 (note_set_pseudo_multiple_uses): Likewise.
10152 (record_initial): Likewise.
10153 (prescan_loop): Adjust calls to note_stores.
10154 (strength_reduce): Likewise.
10155 (check_dbra_loop): Likewise.
10156 * regmove.c (flags_set_1): Take additional paramter.
10157 (mark_flags_life_zones): Adjust calls to note_stores.
10158 * reload1.c (mark_not_eliminable): Take additional parameter.
10159 (forget_old_reloads_1): Likewise.
10160 (reload_cse_invalidate_rtx): Likewise.
10161 (reload_cse_check_clobber): Likewise.
10162 (reload_combine_note_store): Likewise.
10163 (move2add_note_store): Likewise.
10164 (reload): Adjust calls to note_stores.
10165 (reload_as_needed): Likewise.
10166 (emit_reload_insns): Likewise.
10167 (reload_cse_regs_1): Likewise.
10168 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
10169 (reload_combine): Adjust calls to note_stores.
10170 * resource.c (update_live_status): Take additional paramter.
10171 (mark_target_live_regs): Adjust calls to note_stores.
10172 * stupid.c (find_clobbered_regs): Take additional parameter.
10173 (stupid_life_analysis): Adjust calls to note_stores.
10175 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
10177 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
10180 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
10183 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
10184 of the variable arm_structure_size_boundary.
10186 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
10188 * alias.c (init_alias_analysis): Allocate reg_known_value and
10189 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
10191 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
10192 * cse.c (cse_main): Call end_alias_analysis.
10193 * haifa-sched.c (schedule_insns): Likewise.
10194 * local-alloc. (update_equiv_regs): Likewise.
10195 * reload1.c (reload_cse_regs): Likewise.
10197 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10199 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
10200 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
10201 mapping from MASK_FPU.
10203 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
10205 * sparc.md (call): Don't bound structure return size to 0xfff.
10207 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
10209 * resource.c (mark_target_live_regs): Check that the target
10210 insn wasn't created after compute_bb_for_insn.
10212 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
10214 * ggc-page.c (poison_pages): Don't be overzealous.
10216 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
10218 * alias.c: Update comments for ADDRESS.
10219 (nonlocal_reference_p): Look inside the ADDRESS to determine if
10220 it is a local memory reference.
10222 * c-typeck.c (build_function_call): Check that the built-in
10223 function is of class BUILT_IN_NORMAL before trying to recongize
10224 it as BUILT_IN_ABS.
10225 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
10226 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
10228 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
10230 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
10232 (pre_gcse): Likewise.
10233 (hoist_expr_reaches_here_p): Likewise.
10234 (hoist_code): Likewise.
10235 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
10237 (pre_expr_reaches_here_p_work): ... here.
10238 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
10240 (expr_reaches_here_p_work): ... here.
10242 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
10244 * resource.c (find_basic_block): Delete.
10245 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
10246 (init_resource_info): Call compute_bb_for_insn.
10248 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
10250 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
10251 with already adjacent blocks, but no fallthru.
10252 (merge_blocks_move_successor_nojumps): Simplify.
10253 (debug_flow_info): New.
10255 * toplev.c (rest_of_compilation): Open jump1 dump file before
10256 jump and close after, as opposed to just using dump_rtl.
10258 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10260 * reload.h (earlyclobber_operand_p): Declare.
10261 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
10262 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
10263 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
10264 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
10266 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
10267 Richard Henderson <rth@cygnus.com>
10269 * emit-rtl.c (emit_block_insn_before): New.
10270 (emit_block_insn_after): New.
10271 * basic-block.h: Declare them.
10273 * bitmap.h: Protect from multiple inclusion.
10275 * recog.c (scratch_operand): Handle VOIDmode correctly.
10277 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
10279 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
10280 * function.c (assign_parms): Likewise.
10281 * global.c (global_conflicts): Clarify STACK_REGS commentary.
10283 * reg-stack.c (max_uid): Remove.
10284 (blocks, block_begin, block_end, block_drops_in): Remove.
10285 (block_stack_in, block_out_reg_set, block_number): Remove.
10286 (struct block_info_def, BLOCK_INFO): New.
10287 (enum emit_where): New.
10288 (current_block): New.
10289 (BLOCK_NUM): Remove.
10290 (mark_regs_pat, record_label_references): Remove.
10291 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
10293 (goto_block_pat, print_blocks, dump_stack_info): Remove.
10294 (reg_to_stack): Simplified test for existance of fp code. Use
10295 flow.c code. Call shorten_branches after cross-jump opt.
10296 (check_asm_stack_operands): Renamed from record_asm_reg_life.
10297 Return false if the asm doesn't use stack regs. Don't do life
10298 analysis on the asm.
10299 (emit_pop_insn): Replace function pointer arg `when' with
10300 enum `where'. Update all callers.
10301 (change_stack): Likewise. Update basic block end.
10302 (emit_swap_insn): Use current_block->head to limit reverse search
10303 for start of block. Use emit_block_insn_after.
10304 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
10305 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
10306 structure assignment instead of bcopy.
10307 (print_stack): New.
10308 (convert_regs_entry, convert_regs_exit): New.
10309 (convert_regs_1, convert_regs_2): Split out from convert_regs.
10310 Work on basic blocks and the CFG.
10311 (convert_regs): Use them.
10313 * i386.c (output_fix_trunc): Remove code for DImode input operand
10314 not at top-of-stack.
10315 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
10317 (fix_truncdi_1): Allow any mode scratch.
10319 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
10321 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
10322 * linux.h, netbsd.h, vms.h: Not here.
10324 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
10326 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
10327 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
10328 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
10329 CONDITIONAL_REGISTER_USEAGE): Use them.
10330 * config/mips/mips.c (mips_move_1word,mips_move_2words,
10331 gen_conditional_branch,override_options) : Use them.
10332 * config/mips/mips.md : Use them.
10334 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
10336 * i386.md (zero_extendqihi2): Use SImode register name with andl.
10338 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
10340 * integrate.c (function_cannot_inline_p): Don't allow inlining
10343 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10345 * c-parse.in (cast_expr): Constify.
10347 * cccp.c (special_symbol): Likewise.
10349 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
10351 * dwarf2out.c (base_type_die): Likewise.
10353 * global.c (allocno_compare): Likewise.
10355 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
10357 * regclass.c (fix_register): Likewise.
10359 * rtl.h (fix_register): Likewise.
10361 * stupid.c (stupid_reg_compare): Likewise.
10363 * toplev.c (decode_f_option): Likewise.
10365 * tree.c (build_complex_type): Likewise.
10367 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
10369 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
10371 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10373 * reload.c (find_reloads): Compute mode and nregs fields of all
10375 * reload1.c (calculate_needs_all_insns): Simplify a bit.
10376 (calculate_needs): Use precomputed mode/nregs values.
10377 (allocate_reload_reg): Likewise.
10379 (failed_reload, set_reload_reg): ... new functions.
10380 (choose_reload_regs_init): New function, mostly broken out from...
10381 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
10382 Also lose one #if 0 block.
10384 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
10386 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
10389 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
10391 * tree.h (BLOCK_TYPE_TAGS): Remove.
10392 (BLOCK_END_NOTE): Likewise.
10393 (BLOCK_LIVE_RANGE_FLAG): Likewise.
10394 (BLOCK_LIVE_RANGE_START): Likewise.
10395 (BLOCK_LIVE_RANGE_END): Likewise.
10396 (tree_block): Remove live_range_flag, live_range_var_flag, and
10397 type_tags. Remove end_note, live_range_start, and live_range_end.
10398 (remember_end_note): Remove prototype.
10399 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
10400 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
10402 * ggc-common.c (ggc_mark_tree_children): Don't mark
10403 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
10404 * integrate.c (adjust_copied_decl_tree): Remove.
10405 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
10406 * stmt.c (last_block_end_note): Remove.
10407 (init_stmt): Don't add a GC root for it.
10408 (expand_fixup): Don't set it.
10409 (remember_end_note): Remove.
10410 (expand_end_bindings): Don't set last_block_end_note.
10412 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10414 * reload1.c (reload_reg_free_for_value_p): Show
10415 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
10418 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
10420 * expmed.c (extract_bit_field): Allow for the case of non-integer
10421 objects that are smaller than a word (like SFmode on a 64-bit
10424 * loop.c (basic_induction_var): A non-integer variable which is
10425 being set by a paradoxical subreg is probably not a biv.
10427 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10429 * prefix.c (translate_name) Check for empty prefix string.
10431 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
10433 * Makefile.in (CPP_CROSS_NAME): New variable.
10434 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
10436 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
10437 names of the files to be uninstalled.
10439 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
10441 * collect2.c (IS_DIR_SEPARATOR): Define.
10442 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
10444 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
10447 * haifa-sched.c (add_dependence): Update the true dependency
10448 cache the first time we add a true dependence to the LOG_LINKS chain.
10450 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
10452 * fold-const.c (fold): Fix comment.
10454 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10456 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
10457 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
10458 dbxout_start_new_source_file, dbxout_source_file,
10459 dbxout_source_line, dbxout_finish, dbxout_type_fields,
10460 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
10462 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
10463 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
10464 (dbxout_block): Initialize variable `blocknum'.
10466 * dbxout.h (dbxout_init, dbxout_finish,
10467 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
10468 dbxout_args, dbxout_source_line): Constify a char*.
10470 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
10471 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
10472 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
10473 low_pc_attribute, high_pc_attribute, body_begin_attribute,
10474 body_end_attribute, comp_dir_attribute, sf_names_attribute,
10475 src_info_attribute, mac_info_attribute, producer_attribute,
10476 lookup_filename, generate_macinfo_entry, fundamental_type_code,
10477 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
10478 dwarfout_undef): Constify a char*.
10479 (add_incomplete_type, retry_incomplete_types): Add prototypes.
10481 * dwarfout.h (dwarfout_define, dwarfout_undef,
10482 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
10484 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
10486 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
10487 (MULTILIB_ISA_DEFAULT): New.
10488 (MULTILIB_DEFAULTS): Use it.
10489 * config/mips/mips.c (): Remove the now unnecessary definition
10490 of MIPS_ISA_DEFAULT.
10491 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
10492 unnecessary definition.
10494 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
10496 * arm.md (pic_load_addr): Add constraints to operand 1.
10498 1999-10-25 Bruce Korb <autogen@linuxbox.com>
10500 * fixinc/genfixes: Provide a means for specifying -D options to
10503 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
10505 * arm.c (arm_override_options): Correct initialization of
10506 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
10507 arm_is_strong, and arm_is_6_or_7.
10509 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
10510 (note_set_pseudo_multiple_uses): New function.
10511 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
10512 if a pseudo set in the loop exit is used elsewhere.
10514 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
10516 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
10518 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
10520 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
10521 a single load-address pattern.
10523 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
10525 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
10526 depending on whether or not line-number notes are present.
10528 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10530 * cccp.c (progname, file_buf, default_include, include_file,
10531 macrodef, definition, hashval, wchar_type, user_label_prefix,
10532 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
10533 expand_to_temp_buffer, is_system_include, base_name,
10534 absolute_filename, read_name_map, open_include_file,
10535 record_control_macro, check_precompiled, check_preconditions,
10536 pcfinclude, pass_thru_directive, create_definition,
10537 check_macro_name, comp_def_part, collect_expansion,
10538 check_assertion, read_token_list, assertion_install,
10539 assertion_lookup, eval_if_expression, conditional_skip,
10540 validate_else, skip_quoted_string, quote_string, macarg1,
10541 error_from_errno, install, lookup, hashf, dump_defn_1,
10542 perror_with_name, pfatal_with_name, main, trigraph_pcp,
10543 check_white_space, rescan, handle_directive, monthnames,
10544 special_symbol, do_include, remap_include_file, write_output,
10545 arglist, do_assert, do_unassert, do_line, do_error, do_once,
10546 do_ident, do_sccs, do_xifdef, skip_if_group,
10547 output_line_directive, macroexpand, macarg, change_newlines,
10548 initialize_builtins, make_definition): Constify a char*.
10550 * pcp.h (stringdef): Likewise.
10552 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
10554 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
10557 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
10558 Richard Henderson <rth@cygnus.com>
10560 * alias.c: Include ggc.h.
10561 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
10562 (record_set): Verify enough room in reg_base_value.
10563 (init_alias_analysis): Allocate reg_base_value with xcalloc.
10564 Register it as a GC root.
10565 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
10566 * Makefile.in (alias.o): Depend on ggc.h.
10568 * unroll.c (unroll_loop): Verify the insn before a barrier
10569 is a JUMP_INSN before checking JUMP_LABEL.
10571 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10573 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
10574 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
10575 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
10576 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
10577 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
10578 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
10580 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10582 * output.h (ctors_section, dtors_section, bss_section): Prototype.
10584 * alpha/alpha-interix.h (text_section): Delete prototype.
10585 * alpha/elf.h (text_section): Likewise.
10586 * arm/linux-elf.h (text_section): Likewise.
10587 * arm/linux-telf.h (text_section): Likewise.
10588 * c4x/c4x.h (text_section): Likewise.
10589 * dsp16xx/dsp16xx.h (bss_section): Likewise.
10590 * elfos.h (text_section): Likewise.
10591 * i386/aix386ng.h (text_section): Likewise.
10592 * i386/i386-interix.h (text_section): Likewise.
10593 * i386/sco5.h (text_section): Likewise.
10594 * i386/svr3gas.h (text_section): Likewise.
10595 * nextstep.h (text_section): Likewise.
10596 * psos.h (text_section): Likewise.
10597 * ptx4.h (text_section): Likewise.
10598 * svr3.h (text_section): Likewise.
10599 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
10601 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10603 * final.c (peephole): Delete prototype.
10605 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
10606 (pre_insert_copies): Remove unused variable `bb'.
10608 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
10611 * output.h (peephole): Add prototype.
10613 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
10615 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
10618 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
10620 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
10621 for inlined declarations.
10623 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
10625 * arm.c (logical_binary_operator): New fucntion.
10626 * arm.h (logical_binary_operator): Declare it.
10627 (PREDICATE_CODES): Handle logical_binary_operator.
10628 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
10629 output constraints. Add appropriate splitters.
10630 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
10631 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
10632 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
10634 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10636 * genoutput.c (struct operand_data): New elt eliminable.
10637 (output_operand_data): Write it.
10638 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
10639 (compare_operands): Take it into account.
10640 * recog.h (struct insn_operand_data): New elt eliminable.
10641 * reload1.c (check_eliminable_occurrences, elimination_effects): New
10643 (old_asm_operands_vec, new_asm_operands_vec): Delete.
10644 (eliminate_regs): Move code that detects changes to elimination
10645 target regs into new function elimination_effects.
10646 Delete one #if 0 block.
10647 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
10648 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
10649 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
10650 Only call eliminate_regs for real operands of the insn, not for parts
10651 of its structure or parts matched by things like match_operator.
10652 Use elimination_effects and check_eliminable_occurrences. Use
10653 copy_insn to duplicate the pattern when not in the final pass.
10655 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
10657 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
10660 1999-10-22 Bruce Korb <autogen@linuxbox.com>
10662 * fixinc/README: document the "mach" machine matching test
10663 * fixinc/fixfixes.c: Implement the #else/#endif label fix
10664 * fixinc/fixtests.c: Implement the #else/#endif label test
10665 * fixinc/inclhack.def: utilize these tests and fixes
10666 * fixinc/inclhack.sh: regen
10667 * fixinc/fixincl.x: regen
10668 * fixinc/fixincl.sh: regen
10670 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
10672 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
10675 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
10677 * gcc.1: Document exit codes.
10679 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10681 * calls.c: Include tm_p.h later, so everything we need is defined.
10682 * expr.c: Likewise.
10683 * function.c: Likewise.
10685 * except.c: Include tm_p.h.
10687 * sparc.c: Likewise.
10688 (dwarf2out_cfi_label): Don't prototype.
10689 (check_return_regs, epilogue_renumber,
10690 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
10691 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
10692 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
10693 ultra_schedule_insn): Add static prototype.
10694 (data_segment_operand, text_segment_operand): Call itself with the
10695 proper number of arguments.
10696 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
10698 * sparc.h: Move all declarations to sparc-protos.h.
10699 (SELECT_RTX_SECTION): Pass a missing MODE argument to
10702 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
10704 * config/svr4.h (text_section, ctors_section, dtors_section): Add
10706 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
10707 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10708 ASM_OUTPUT_ASCII): Constify a char*.
10710 * sparc-protos.h: New file for sparc prototypes.
10712 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10714 * function.c (record_insns, contains): Always declare and define.
10715 (record_insns): Mark with ATTRIBUTE_UNUSED.
10717 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
10719 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
10720 to .section when outputting a .bss section to deal with multiple
10721 .bss input sections (as happens with -fdata-sections)
10722 Also output %progbits, not @progbits so the assembler doesn't treat as
10724 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
10726 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
10727 thumb parts even when building with non-thumb CPUs, by forcing
10730 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
10732 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
10733 (movdf_const_intreg_sp64): Similarly.
10735 * local-alloc.c (update_equiv_regs): Check the correct insn
10736 for pre-existing REG_EQUIV notes.
10738 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
10740 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
10741 block reached by a branch if we're not going to actually process
10744 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
10746 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
10747 a local extern function declaration.
10749 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
10751 * i386.c (ix86_expand_prologue): Properly wrap USE around
10752 reg for CALL_INSN_FUNCTION_USAGE.
10754 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
10756 * config/mips/mips.md (movdf_internal1a): Allow floating-point
10757 move between GP_REGs.
10759 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
10761 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
10762 the mode size when finding out if an offset is legal.
10764 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
10766 * basic-block.h (PROP_*): Move constants from ...
10767 * flow.c: ... here.
10768 (compute_bb_for_insn): Free the array before reallocating.
10769 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
10770 (allocate_reg_life_data): Reset all reg variables collected by
10772 (get_block_head_tail): Don't convert from bb to block.
10773 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
10774 (find_insn_reg_weight): Take block not bb.
10775 (schedule_block): Don't set block num for moved insns.
10776 (schedule_region): Don't update_life_info or find_insn_reg_weight.
10777 (schedule_insns): Do it here instead.
10778 * combine.c (combine_instructions): Invoke compute_bb_for_insn
10779 before update_life_info.
10780 * recog.c (split_all_insns, peephole2_optimize): Update for
10781 new arg to update_life_info.
10782 * rtlanal.c (remove_note): Cope with NULL note.
10783 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
10786 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
10788 * jump.c (jump_optimize_1): More accurately detect casesi insns.
10790 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
10791 block records so that merge_blocks_nomove will clean up correctly.
10792 (split_edge): Handle casesi insns.
10794 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
10796 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
10798 * pa.md (call, call_value): Do not emit a blockage after restoring
10801 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
10803 * c-typeck.c (c_expand_asm_operands): Fix typo.
10805 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10807 * arm.c (fpu_rhs_operand): Verify modes.
10808 (fpu_add_operand): Likewise.
10809 (di_operand): Likewise.
10810 (soft_df_operand): Likewise.
10812 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
10814 * arm.c (arm_return_in_memory): APCS rules state that the elements
10815 of a structure returned in a register must be 'integer-like'.
10817 1999-10-19 Bruce Korb <autogen@linuxbox.com>
10819 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
10820 in the source tree when the generated targets are out of date
10821 * fixinc/genfixes: Alter it to run individual fixes for make.
10822 * fixinc/README: rewrite
10823 * fixinc/inclhack.def: moved initial comments to README
10825 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
10827 * toplev.c (main): Do not generate an error message if an
10828 unrecognised command line switch is recognisable by another
10829 language. If extra_warnings are enabled, then generate a
10830 warning message instead.
10832 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
10834 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
10835 (insert_pack_attributes): Delete prototype.
10837 * c-pragma.c (default_alignment): New static variable.
10838 (push_alignment): Initialize to current effective alignment.
10839 (pop_alignment): Use to set new alignment.
10840 (insert_pack_attributes): Delete function.
10841 (handle_pragma_token): Set default_alignment as well each time
10842 a #pragma pack(<n>) is encountered.
10844 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
10846 * reg-stack.c (stack_result): Aggregates are not returned in
10849 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
10851 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
10853 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
10855 * basic-block.h (set_block_num): Declare.
10856 * flow.c (update_life_info): Don't call compute_bb_for_insn
10857 or free_basic_block_vars.
10858 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
10859 (insn_orig_block): Remove.
10860 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
10861 (schedule_block): Keep BLOCK_NUM up-to-date.
10862 (schedule_insns): Use compute_bb_for_insn.
10863 * recog.c (split_all_insns): Likewise.
10864 (peephole2_optimize): Likewise.
10866 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
10868 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
10869 if the pic register is used.
10871 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10873 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
10874 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
10875 if that tests TREE_PERMANENT.
10877 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
10879 * cse.c (invalidate_for_call): Do not remove memory references from
10880 the table here. It's handled elsewhere.
10882 * haifa-sched.c (add_dependence): Protect references to the
10883 true dependency cache with #ifdef INSN_SCHEDULING.
10884 (remove_dependence): Similarly.
10886 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
10887 to the cfg code that this is a return instruction.
10888 * mn10300.md (return_internal): Similarly.
10890 * combine.c (get_last_value): If the last set of a register
10891 is after subst_low_cuid, then we can not use it to determine
10892 the register's last value.
10894 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
10896 * Makefile.in: Back out previous change.
10898 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
10900 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
10902 * haifa-sched.c (add_dependence): Only check/update the cache
10904 (remove_dependence): Likewise.
10905 (schedule_insns): Only create the true_dependency_cache if the
10906 average number of instructions in a basic block is very large.
10908 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
10910 * Makefile.in (ggc-common.o): Depend on genrtl.h.
10911 (ggc-simple.o): Likewise.
10912 (ggc-page.o): Likewise.
10914 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
10916 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
10917 Prototype for exported functions.
10918 (pre_lcm, pre_rev_lcm): Remove prototypes.
10919 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
10920 (compute_available): Move to lcm.c, and change parameter order.
10921 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
10922 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
10923 (gcse_main): No longer call compute_preds_succs. Rebuild the
10924 set table after reach pre pass.
10925 (pre_insert_map, pre_delete_map, edge_list): New.
10926 (alloc_pre_mem): Allocate edge vectors.
10927 (free_pre_mem): Delete edge vectors.
10928 (compute_pre_data): Call new edge based lcm routines.
10929 (process_insert_insn): New function.
10930 (insert_insn_end_bb): Use it.
10931 (pre_edge_insert): New function.
10932 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
10934 (pre_insert_copies): Revamp using new edge based lcm outputs.
10935 (pre_delete): Likewise.
10936 (one_pre_gcse_pass): Insert & remove fake edges to the exit
10938 (compute_code_hoist_vbeinout): New new edge based routines.
10939 * lcm.c: Remove all the old LCM functions. Replace with new ones
10940 that work with the new cfg datastructures and work with edges
10943 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10945 * reload.h (struct reload): Add new fields "mode" and "nregs".
10946 * reload1.c: Change all occurrences of reload_mode and reload_nregs
10947 to reference the "mode" and "nregs" field within struct reload.
10949 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
10951 * haifa-sched.c (true_dependency_cache): New.
10952 (add_dependence): Use the true dependency cache to avoid expensive
10953 walks down the LOG_LINKS dependency list. Add entries to the
10954 cache as necessary.
10955 (remove_dependence): Remove entries from the true dependency cache
10957 (schedule_insns): Allocate and initialize and free the true
10960 * haifa-sched.c (schedule_insns): Do not remove inter-block
10961 dependencies anymore.
10963 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
10965 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
10966 * i386/t-winnt: Likewise.
10968 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
10970 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
10972 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
10974 * Makefile.in (LANGUAGES): Omit "proto".
10975 (clean): Remove stale comment about removing unprotoize.c.
10977 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10979 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
10980 using arithmetic on void pointers.
10982 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
10984 * haifa-sched.c (compute_block_forward_dependencies): Only check
10985 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
10987 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
10989 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
10990 (expr_equiv_p): Reject memories with different alias sets.
10992 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
10994 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
10995 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
10996 (f_options): Add "bounded-pointers" and "bounds-check" entries.
10997 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
10998 (lang_init): Set default for flag_bounds_check if still "unspecified".
11000 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11002 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
11004 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11006 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
11009 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11011 * config/c4x/c4x.md (*db_noclobber,
11012 *decrement_and_branch_until_zero_noclobber): New patterns and
11013 associated splitters.
11015 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11017 * config/c4x/c4x.md (parallel instruction patterns): Rework
11018 constraints to keep reload happy.
11020 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11022 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
11023 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
11024 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
11025 Add new patterns and associated post-reload splitters.
11027 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11029 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
11031 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11033 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
11035 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
11037 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11039 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
11042 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
11044 * pa.c (move_operand): Rely on memory_address_p to determine the
11045 validity of non-indexed memory addresses.
11046 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
11047 operand in DFmode and SFmode when generating PA2.0 code.
11049 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
11051 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
11053 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
11055 * mips.c (function_prologue): Fix argument types.
11056 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
11057 (casesi_internal): Write to the scratch register.
11059 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
11061 * cppexp.c (cpp_parse_escape): Make static. Change second arg
11063 (parse_charconst): Delete unnecessary cast when calling
11065 (cpplib.h): Kill prototype of cpp_parse_escape.
11067 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
11069 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
11070 * unroll.c (unroll_loop): Cast return value of alloca.
11071 * i370/i370.c: Include function.h and toplev.h.
11072 (i370_label_scan): Remove c++ commented abort.
11073 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
11074 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
11075 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
11076 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
11078 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
11080 * config/t-freebsd: Do not override USER_H.
11081 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
11083 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
11084 Mumit Khan <khan@xraylith.wisc.edu>
11086 * c-parse.in (component_decl): Support anonymous struct/union.
11088 * c-parse.y: Regenerate.
11089 * c-parse.c: Likewise.
11090 * objc/objc-parse.y: Likewise.
11091 * objc/objc-parse.c: Likewise.
11092 * c-decl.c (finish_struct): Don't sort the fields.
11093 (field_decl_cmp): Delete unused function.
11095 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
11097 * sparc.md (movsf_const_intreg): Revert last constraint change.
11098 (movdf_const_intreg_sp32): Likewise.
11100 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
11102 * cse.c: Include hashtab.h instead of splay-tree.h
11103 (struct cse_reg_info): No longer use variant union. Add new
11104 field "regno". All references changed to avoid union.
11105 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
11106 (free_cse_reg_info): Remove.
11107 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
11108 (get_cse_reg_info): Revamp to use expandable hash tables instead
11109 of splay trees. Initialize new fields in cse_reg_info structure.
11110 (new_basic_block): Similarly.
11112 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
11114 * genrecog.c (message_with_line): Prototype.
11115 (validate_pattern): Pass along the set for the dest, not a flag.
11116 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
11117 Check for PC/CC0 as sources.
11118 (nodes_identical): Check for children position match before
11119 allowing the combination.
11121 * rtl.c (read_rtx): Track line number across \\\n.
11123 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
11125 * mips.h (SPECIAL_MODE_PREDICATES): New.
11126 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
11127 (movdi+1, movsi+1): Add output reload constraint.
11128 (casesi_internal): Likewise. Fix commentary.
11129 (return_internal): Use pmode_register_operand.
11131 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
11133 * 1750a.md (movstrqi): Add missing output reload constraint.
11134 (call_value): Likewise.
11135 * a29k.md (cpxxx patterns): Add missing match_operator mode.
11136 (jmpfdec): Add missing inout reload constraint.
11137 * elxsi.md (addsi patterns): Add missing output reload constraint.
11138 (move from sp): Use @ alternates.
11139 (call_value): No constraint on output.
11140 * fr30.md (movsi_pop): Add missing output reload constraint.
11141 (movsf_constant_store): Likewise.
11142 (splits): Remove constraints.
11143 (subsi3): Add missing mode.
11144 * i370.md (cmpstrsi+1): Add missing output reload constraint.
11145 (call_value): Likewise.
11146 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
11147 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
11148 * m32r.md (movsicc_internal): Add output reload constraint.
11149 (movstrsi_internal): Add inout reload constraints.
11150 * m88k.h (reg_names): Don't declare.
11151 (SPECIAL_MODE_PREDICATES): New.
11152 * m88k.md (*): Use register_operand not reg_or_0_operand
11154 * mn10200.h (PREDICATE_CODES): New.
11155 * ns32k.md (ffs pattern): Add output reload constraint.
11156 * pdp11.md (sob pattern): Add inout reload constraint.
11157 * sh.md (splits): Remove constraints.
11158 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
11159 * v850.md (pattern_is_ok_for_epilogue): Likewise.
11160 * vax.md (jgequ pattern): Add inout reload constraint.
11162 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
11164 * configure.in (djgpp): Revert previous patch.
11165 * configure: Rebuit.
11166 * config/i386/djgpp.h: Revert previous patch.
11168 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
11170 * fixinc/inclhack.def: Restore patch lost during last merge of
11171 "no_bogosity" branch.
11172 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
11174 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
11176 * fixincludes: Add a HPUX 11 fix for inttypes.h.
11177 * fixinc/inclhack.def: Same.
11178 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
11180 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
11182 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
11183 as the base of a PLUS.
11185 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11187 * config/c4x/c4x.md: Define mode for remaining unspec operators.
11188 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
11190 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
11192 * pa.md (post_stw+1): Use pmode_register_operand.
11193 (dcacheflush, icacheflush): Likewise.
11195 * i386.md (movstricthi_1): Allow r/r.
11197 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
11199 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
11200 to (not (and (arg0) (arg1))). Similary for and.
11202 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
11203 fallthrough to associate code.
11204 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
11207 * combine.c (simplify_logical): Convert XOR to IOR if operands have
11208 no bits in common; remove XOR to ROTATE conversion.
11210 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11212 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
11214 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11216 * config/c4x/c4x.c (dst_operand): New.
11217 (PREDICATE_CODES): Update.
11218 * config/c4x/c4x.h (dst_operand): Declare it.
11219 * config/c4x/c4x.md: Define mode for each unspec usage.
11220 (move patterns): Use dst_operand predicate instead of src_operand.
11221 (movqi_update, movqf_update): Delete.
11223 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
11225 * recog.c (pmode_register_operand): New.
11226 * recog.h: Declare it.
11227 * genrecog.c (pred_codes): Likewise.
11228 (special_mode_pred_table): Likewise.
11229 (validate_pattern): Don't warn no mode for address_operand.
11231 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
11232 if the operand is not insn-like.
11234 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
11235 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
11237 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
11239 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
11241 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
11242 instead of general_operand in a SET_DEST. Use const_double_operand
11243 instead of an explicit test against CONST_DOUBLE.
11244 (movsf_const_lo): Add missing register mode.
11245 (goto_handler_and_restore): Add auxiliary test for Pmode.
11246 (flush): Adjust to use address_operand.
11247 (return_sf_no_fpu): Add missing output constraint.
11249 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
11251 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
11252 for call return value.
11253 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
11255 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
11257 * toplev.c (main): Only warn about options for other languages.
11258 * collect2.c (main): Pass -w to sub-gcc.
11260 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
11262 * flow.c (propagate_block): Add call-clobbered registers to
11265 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
11266 zapping mem_set_list.
11267 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
11268 (mark_set_1, mark_used_regs): Likewise.
11270 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
11272 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
11274 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11276 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
11277 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
11278 options. Also add a new item "C-only Warning Options" to the
11281 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
11283 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
11284 from multiple calls.
11286 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
11288 * i386.md (call value patterns): Move to the end of the file.
11289 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
11291 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
11293 * configure.in (djgpp configuration): Define extra_objects..
11294 * configure: Rebuilt.
11295 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
11296 (DTORS_SECTION_ASM_OP): Define.
11297 (INIT_SECTION_ASM_OP): Define.
11298 (FINI_SECTION_ASM_OP): Define.
11299 (DATA_SECTION_ASM_OP): Define.
11300 (TEXT_SECTION_ASM_OP): Define.
11301 (EH_FRAME_SECTION_ASM_OP): Define.
11302 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
11303 (STARTFILE_SPEC): Add crtbegin.o.
11304 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
11305 to here from LINK_COMMAND_SPEC.
11306 (DO_GLOBAL_CTORS_BODY): Define.
11307 (CRTSTUFF_USE_FINI_SECTION): Define
11308 (HAS_INIT_SECTION): Delete.
11310 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
11312 * Makefile.in (all.cross): Depend on xcpp$(exeext).
11314 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
11316 * pa.h (PREDICATE_CODES): New.
11318 * genrecog.c (validate_pattern): Condense the destination
11319 non-lvalue message.
11321 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
11323 * alpha.md (call-1): Supply missing mode for operator.
11324 (*): Add missing output reload constraints. Remove constraints
11325 from define_splits.
11327 * i386.h (SPECIAL_MODE_PREDICATES): New.
11328 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
11329 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
11330 (addsi_lea_3): Add missing mode for op 3.
11331 (prologue_set_got, prologue_get_pc): Add missing modes.
11332 (*) Add missing output reload constraints.
11334 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
11336 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
11337 check for member bit-size overflow and use var_size if it occurs.
11338 (layout_record): Use bitsize_int() to define the type size in bits.
11339 Likewise for computation and assignment to DECL_FIELD_BITPOS.
11340 (layout_decl): Likewise when assigning to DECL_SIZE.
11342 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
11344 * genrecog.c (validate_pattern): Typo last change. Verify
11345 that output operands have output reloads.
11347 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
11349 * genrecog.c (special_mode_pred_table): New.
11350 (NUM_SPECIAL_MODE_PREDS): New.
11351 (find_operand): New.
11352 (validate_pattern): New argument `insn'. Warn for assignment to
11353 any predicate accepting non-lvalues. Conditionaly warn for
11354 match_operand without a mode. Try much harder to match source
11355 and destination modes on a set.
11356 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
11358 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
11360 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
11362 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
11364 * combine.c (simplify_logical): Recognize xor pattern that encodes
11367 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11369 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
11372 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
11374 * ggc-page.c (MAP_FAILED): Provide default.
11376 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
11378 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
11379 * sparc.h (PREDICATE_CODES): Update.
11381 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
11383 * alpha.c (some_ni_operand): New.
11384 * alpha-protos.h: Declare it.
11385 * alpha.h (PREDICATE_CODES): Update.
11386 * alpha.md (sXaddq reload insns): Use some_ni_operand
11387 for SET_DEST instead of some_operand.
11389 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
11390 Jim Wilson <wilson@cygnus.com>
11392 * genrecog.c (maybe_both_true_2): Don't compare modes of
11394 (process_tree): Elide peephole2_insns. Invoke simplify_tests
11395 after find_afterward.
11396 (debug_decision_1): Dump next and afterward codes.
11398 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
11400 * rtl.c (dump_and_abort): Remove.
11401 (fatal_with_file_and_line): New.
11402 (fatal_expected_char): New.
11403 (read_rtx_lineno, read_rtx_filename): New.
11404 (read_skip_spaces): Track line number.
11405 (read_name): Use fatal_with_file_and_line.
11406 (read_rtx): Use fatal_expected_char. Track line number.
11407 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
11409 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
11410 if it isn't a CODE_LABEL.
11412 * genattr.c (main): Set read_rtx_filename.
11413 * genattrtab.c (main): Likewise.
11414 * gencodes.c (main): Likewise.
11415 * genconfig.c (main): Likewise.
11416 * genemit.c (main): Likewise.
11417 * genextract.c (main): Likewise.
11418 * genflags.c (main): Likewise.
11419 * genopinit.c (main): Likewise.
11420 * genoutput.c (main): Likewise.
11421 * genpeep.c (main): Likewise.
11423 * genrecog.c (decision_test.u.insn): Add `lineno'.
11424 (pattern_lineno, error_count): New variables.
11425 (message_with_line): New.
11426 (add_to_sequence): Break out checking code to ...
11427 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
11428 (merge_insn): Use message_with_line.
11429 (make_insn_sequence): Use validate_pattern. Record insn lineno.
11430 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
11432 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11434 * expr.c (store_constructor): Clear union if constructor is empty.
11436 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
11438 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
11439 Add !endian checks. Change %{...} to %(...).
11441 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
11443 * i386.md (*addsi3_cc): Renamed from addcsi3.
11444 (*addsi3_carry): Renamed from addxsi3.
11445 (*subsi3_cc): Renamed from subcsi3.
11446 (*subsi3_carry): Renamed from subxsi3.
11447 (*xorqi_cc_1): Renamed from xorcqi_1.
11448 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
11449 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
11451 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
11453 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
11454 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
11456 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
11458 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
11459 climb up the chain of insns.
11461 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
11463 * genrecog.c (write_subroutine): Careful for null trees.
11464 (process_tree): Don't elide empty functions.
11466 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
11468 * Makefile.in (genrtl.o): Depend on ggc.h.
11469 * configure.in (valloc): Probe for it.
11470 (with-gc): Use ggc-page if valloc present.
11471 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
11472 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
11473 (ggc_alloc_string): Moved from ggc-page.c.
11474 * ggc-none.c (ggc_alloc_obj): New.
11475 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
11476 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
11477 (struct globals): Likewise for dev_zero_fd.
11478 (init_ggc): Likewise for it's initialization.
11479 (ggc_allocated_p): Move careful dereference from ...
11480 (ggc_lookup_page_table): ... here. Delete.
11481 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
11482 (alloc_anon): Use valloc if no mmap.
11483 (release_pages): Use free if using valloc.
11484 (ggc_alloc_obj): Renamed from alloc_obj.
11485 (ggc_set_mark): Renamed from mark_obj.
11486 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
11487 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
11488 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
11489 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
11490 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
11491 (ggc_collect): Use fp printing instead of our own rounding.
11492 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
11493 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
11494 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
11495 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
11496 (struct ggc_string, struct ggc_any): Delete.
11497 (offsetof): Provide default definition.
11498 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
11500 (struct ggc_mem): New, from corpse of ggc_any.
11501 (struct ggc_status): Delete.
11502 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
11503 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
11504 (n_strings_collected, n_anys_collected): Delete.
11505 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
11506 (ggc_alloc_string, ggc_alloc): Delete.
11507 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
11508 (ggc_free_string, ggc_free_any): Delete.
11509 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
11510 (ggc_compare_addresses, ggc_mark_string): Delete.
11511 (ggc_mark_string_if_gcable, ggc_mark): Delete.
11512 (search_data): Delete.
11513 (struct globals): New.
11514 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
11515 (tree_insert, tree_lookup): New.
11516 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
11517 (clear_marks, sweep_objs): New.
11518 (ggc_collect): Gut. Use clear_marks, sweep_objs.
11519 (init_ggc): Set allocated_last_gc.
11520 (ggc_push_context): Gut. Use G.context.
11521 (ggc_pop_context): Likewise.
11522 (ggc_pop_context_1): New.
11523 (debug_ggc_tree): New.
11524 (debug_ggc_balance, tally_leaves): New.
11525 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
11526 (ggc_mark_string_if_gcable): Remove decl.
11527 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
11528 (ggc_mark_rtvec_children): New.
11529 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
11530 (ggc_mark_if_gcable): New decl.
11531 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
11532 (ggc_alloc_tree, ggc_alloc): Likewise.
11533 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
11534 (ggc_alloc_obj): New decl.
11535 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
11536 (ggc_alloc_tree, ggc_alloc): Likewise.
11537 (ggc_set_mark): New decl.
11538 * rtl.h (struct rtx_def): Remove gc_mark.
11539 (struct rtvec_def): Likewise.
11540 * tree.h (struct tree_common): Likewise.
11542 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
11544 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
11545 float_format and thread_file definitions.
11546 * configure: Rebuilt.
11548 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
11550 * extend.texi (Function Names): Document types of function names.
11552 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11554 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
11555 an earlyclobbered output conflict with RELOAD_INPUT reloads.
11557 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11559 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
11561 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11563 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
11565 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
11567 * collect2.c (main): Do prelimnary link on AIX if rflag.
11569 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11571 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
11572 __CTOR_LIST__ in opposite order, which is the correct order for sorted
11574 (__do_global_dtors): similarly for __DTOR_LIST__.
11576 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11577 Diego Novillo <dnovillo@cygnus.com>
11579 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
11582 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
11584 * fixincl/*: Merged "no_bogosity" branch
11585 * fixincl/fixlib.h: protect against doubly defining t_bool
11586 * fixincl/server.h: protect against doubly defining t_bool
11588 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
11590 * genoutput.c: Include toplev.h.
11592 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
11594 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
11596 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
11597 * configure: Regenerate.
11599 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
11601 * gcse.c (delete_null_pointer_checks): Returns void.
11603 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11605 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
11606 * emit-rtl.c (copy_insn_1): Likewise.
11608 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
11610 * config/mips/mips.c (mips_build_va_list): Correct
11611 TREE_CHAIN setting when hard-float.
11612 (mips_va_start): Use corrected setting.
11613 (mips_va_arg): Likewise. Also pass a tree to build of
11614 POSTINCREMENT_EXPR rather than a naked 'int'.
11616 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
11618 * ggc.h (ggc_push_context): Fix comment.
11619 (ggc_pop_context): Likewise.
11620 (mark_string_if_gcable): Likewise.
11621 * ggc-common.c (ggc_mark_rtx_children): Use
11622 ggc_mark_string_if_gcable.
11623 * ggc-page.c (ggc_lookup_page_table): New function.
11624 (ggc_allocated_p): Likewise.
11625 (mark_obj): Fix formatting.
11626 (ggc_mark_string_if_gcable): New function.
11627 * ggc-simple.c (ggc_allocated_strings): New variable.
11628 (ggc_strings_used): Likewise.
11629 (ggc_compare_addresses): New function.
11630 (ggc_pop_context): Pop the `any' memory too.
11631 (ggc_mark_string_if_gcable): New function.
11632 (ggc_collect): Initialize and tear down ggc_allocated_strings.
11634 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
11636 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
11637 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
11638 * rs6000.c (expand_block_move): Match movstrsi_?reg register
11641 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
11643 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
11644 (sched_reg_live_length, sched_reg_basic_block): Delete.
11645 (current_block_num, bb_live_regs, old_live_regs): Delete.
11646 (dead_notes, struct sometimes): Delete.
11647 (sched_note_set, birthing_insn_p): Delete.
11648 (adjust_priority): Gut useless reg lifetime code.
11649 (create_reg_dead_note, attach_deaths): Delete.
11650 (attach_deaths_insn, new_sometimes_live): Delete.
11651 (finish_sometimes_live): Delete.
11652 (find_pre_sched_live, find_post_sched_live): Delete.
11653 (update_reg_usage): Delete.
11654 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
11655 (schedule_insns): Delete reg lifetime code.
11656 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
11657 (unlink_other_notes): Adjust REG_NOTE commentary.
11658 (reemit_notes): Use REG_SAVE_NOTE.
11659 (schedule_block): Likewise.
11660 (schedule_region): Allocate bitmap of blocks in region. Use
11661 count_or_remove_death_notes. Use update_life_info.
11663 * rtl.h (REG_SAVE_NOTE): New.
11664 * rtl.c (reg_note_name): Update.
11666 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
11668 * combine.c (refresh_blocks, need_refresh): New.
11669 (combine_instructions): Allocate refresh_blocks. Invoke
11670 update_life_info if needed.
11671 (distribute_notes): Mark refresh_blocks instead of installing
11673 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
11674 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
11676 * Makefile.in (recog.o): Depend on basic-block.h.
11678 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
11680 * genrecog.c (add_to_sequence): Thinko last change: delete
11681 shadowing allow_const_int variable.
11683 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11685 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
11686 __GNUC__ and __GNUC_MINOR__.
11688 * gansidecl.h: Likewise.
11694 * toplev.h: Likewise.
11696 * tree.c: Likewise.
11698 * tree.h: Likewise.
11700 * varray.c: Likewise.
11702 * varray.h: Likewise.
11704 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11706 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
11707 use one before a jump table.
11709 * rtl.def (ADDRESS): Change documentation to match reality.
11710 * md.texi: Don't document it.
11711 * gmicro.md (load address pattern): Use 'p' constraint, delete use
11714 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
11716 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
11718 * genrecog.c (add_to_sequence): Move allow_const_int test outside
11719 known predicate block; default allow_const_int true.
11720 (debug_decision_list): New.
11722 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
11724 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
11726 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
11728 * gcse.c (gcse_main): Avoid global optimizations if we have a
11729 large number of basic blocks and the ratio of edges to blocks
11731 (delete_null_pointer_checks): Likewise.
11733 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
11735 * c-common.c (check_format_info): Warn if format string isn't a
11738 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11740 * configure.in (arm*-*-*): Don't let autoconf remove brackets
11741 * configure: regenerate
11743 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
11745 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
11746 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
11747 (peepholes): Re-enable.
11749 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
11751 * Makefile.in (flow.o): Depend on TREE_H.
11752 * basic-block.h (REG_SET_EQUAL_P): New.
11753 (XOR_REG_SET): New.
11754 (n_edges): Declare.
11755 (free_regset_vector): Remove declaration.
11756 (flow_delete_insn_chain): Declare.
11757 (enum update_life_extent): New.
11758 (update_life_info, count_or_remove_death_notes): Declare.
11759 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
11760 Verify register live at bb->global_live_at_start before adding USE.
11761 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
11762 (CLEAN_ALLOCA): New.
11764 (PROP_*): New flags.
11765 (find_basic_blocks_1): Use alloc_EXPR_LIST.
11766 (clear_edges): Zero n_edges.
11767 (make_edge): Increment n_edges.
11768 (split_edge): Don't allocate bb->local_set. Increment n_edges.
11769 (flow_delete_insn_chain): Export.
11770 (delete_block): Decrement n_edges.
11771 (merge_blocks_nomove): Likewise.
11772 (life_analysis): Give life_analysis_1 PROP flags.
11773 (verify_wide_reg_1, verify_wide_reg): New.
11774 (verify_local_live_at_start): New.
11775 (update_life_info): Rewrite to call into propogate_block.
11777 (mark_regs_live_at_end): After reload, if epilogue as rtl,
11778 always mark stack pointer. Conditionally mark PIC register.
11779 After reload, mark call-saved registers, return regsiters.
11780 (life_analysis_1): Accept PROP flags not remove_dead_code.
11781 Call mark_regs_live_at_end before zeroing regs_ever_live.
11782 Use calculate_global_regs_live. Copy global_live_at_end before
11783 calling final propagate_block. Zero reg_next_use on exit.
11784 (calculate_global_regs_live): New.
11785 (allocate_bb_life_data): Don't allocate bb->local_set.
11786 (init_regset_vector, free_regset_vector): Remove.
11787 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
11788 Test flags before every operation. Warn if prologue/epilogue insn
11789 would have been deleted.
11790 (mark_set_regs, mark_set_1): Accept and use FLAGS.
11791 Use alloc_EXPR_LIST.
11792 (mark_used_regs): Accept and use FLAGS, not FINAL.
11793 Remove special handling for RETURN.
11794 (try_pre_increment): Use alloc_EXPR_LIST.
11795 (dump_flow_info): Dump n_edges.
11796 (unlink_insn_chain, split_hard_reg_notes): Remove.
11797 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
11798 (find_insn_with_note, new_insn_dead_notes): Remove.
11799 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
11800 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
11801 (replace_insns): Remove.
11802 (count_or_remove_death_notes): New.
11803 (verify_flow_info): Abort on error after all checks.
11804 (remove_edge): Decrement n_edges.
11805 (remove_fake_edges): Tweek format.
11806 * haifa-sched.c (schedule_insns): Use split_all_insns.
11807 * output.h (update_life_info): Remove declaration.
11808 * recog.c (split_all_insns): From the corpse of split_block_insns,
11809 do the whole function block by block. Use update_life_info.
11810 (recog_last_allowed_insn): New.
11811 (recog_next_insn): Mind it.
11812 (peephole2_optimize): Set it. Walk backwards through blocks.
11813 Use update_life_info.
11814 * rtl.h (update_flow_info, replace_insns): Remove declarations.
11815 (split_all_insns): Declare.
11816 * toplev.c (rest_of_compilation): Thread prologue before flow2.
11817 Use split_all_insns.
11819 * i386.md (or -1 peep2s): Disable.
11821 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
11823 * config/mips/mips.md (movstrsi+[123]) : Combine these into
11824 a single pattern. Scrap the 'd' versions as unnecessary.
11826 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
11827 tablejump_mips162,tablejump_internal4): The operands to a
11828 label_ref must be VOIDmode.
11830 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11832 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
11834 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
11836 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
11838 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
11840 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
11841 cache every function if ggc_p.
11843 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11845 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
11846 instead of copy_rtx. Accept sequences that contain asm statements.
11847 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
11848 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
11849 orig_asm_operands_vector, copy_asm_operands_vector,
11850 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
11852 * rtl.h (copy_insn, copy_insn_1): Declare.
11854 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11856 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
11858 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
11859 arguments to `current_file_function_operand'.
11861 * genrecog.c: Include hard-reg-set.h and resource.h in the
11862 generated output file.
11864 * real.c: Include tm_p.h.
11866 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11868 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
11871 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
11873 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
11874 before the fctiwz insn.
11876 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11877 Mark Mitchell <mark@codesourcery.com>
11879 * tree.c (make_lang_type_fn): New funtion pointer.
11880 (make_lang_type): Call it.
11881 * tree.h (make_lang_type): Declare.
11882 (make_lang_type_fn): Likewise.
11883 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
11885 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
11887 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
11888 make sure that HIGH instructions are copied into BASE_REGS.
11890 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
11892 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
11894 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
11896 * c-decl.c (finish_struct): Use simpler method of
11897 removing elements of a singly-linked list.
11899 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
11901 * alpha.md (peephole2's): Comment out peephole2's that generate
11904 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
11906 * genrecog.c (add_to_sequence): Disable mode check for
11909 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11911 * ggc-simple.c (init_ggc): Set empty_string.
11913 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
11915 * configure.in: Detect mmap. Add --with-gc=foo to select
11916 garbage collector; default to page if mmap available.
11917 * Makefile.in (GGC): Substitute.
11919 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
11921 * c-decl.c (ggc_p): Enable.
11923 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11925 * flow.c (verify_flow_info): Make it extern & unconditionally define.
11927 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
11929 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
11930 string for little-endian-data.
11932 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
11934 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
11935 case somebody tries to compile --enable-checking code with gcc
11938 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
11940 * genrecog.c (add_to_sequence): Verify operand to label_ref is
11943 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
11945 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
11946 * jump.c (jump_optimize_1): Document why.
11948 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11950 * collect2.c (scan_prog_file, scan_libraries): Prototype function
11951 pointers and casts for `int_handler' and `quit_handler'.
11953 * flow.c (verify_flow_info, split_hard_reg_notes,
11954 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
11955 remove_edge, remove_fake_successors): Add static prototypes.
11956 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
11957 (mark_set_1): Initialize variable `regno'.
11958 (unlink_insn_chain): Likewise for variable `curr'.
11959 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
11961 * loop.c (strength_reduce): Initialize variable
11962 `unrolled_insn_copies'.
11963 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
11964 prototypes. Change these functions to take const PTR parameters
11965 to avoid prototype conflict when used as the comparson argument
11967 (check_dbra_loop): Initialize variable `comparison_val'.
11969 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
11970 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
11971 (find_valid_class): Initialize variable `best_class'.
11972 (find_reloads): Call memcpy, not bcopy.
11974 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
11975 (hard_reg_use_compare): Don't needlessly cast away const.
11976 (reload_reg_class_lower): Likewise.
11977 (choose_reload_regs): Initialize variable `regno'.
11979 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
11981 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
11983 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
11985 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
11986 ({,d}discard): Add forward declarations. Declare parameter as
11988 (main_without_main): Explicitly declare return type to be int.
11989 (memcpy): Properly declare.
11991 * libgcc2.c (toplevel): If inhibit_libc is defined and not
11992 building the trampoline support, declare malloc, free, and
11994 (__clear_cache): Mark arguments as potentially unused.
11996 * frame.c (toplevel): If inhibit_libc is defined, declare
11999 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
12001 * flow.c (make_edge): Accept an optional 2D bitmap in which
12002 to cache edge existence. Update all callers.
12003 (make_label_edge, make_eh_edge): Pass through the edge cache.
12004 (make_edges): Provide the cache.
12006 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12008 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
12010 (local_mbtowc): Change the type of variable `i' from int to size_t.
12012 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
12013 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
12015 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
12017 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
12018 after other includes that define the appropriate types. Include
12019 tm_p.h for getting user prototypes.
12020 * ggc-callbacks.c (toplevel): Ditto.
12021 * ggc-none.c (toplevel): Ditto.
12022 * gcc-page.c (toplevel): Ditto.
12023 * ggc-simple.c (toplevel): Ditto.
12025 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
12026 Jonathan Larmour <jlarmour@cygnus.co.uk>
12028 * config/mips/mips.c (mips_move_2words): Split doubles if
12029 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
12031 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
12033 * genrecog.c (struct decision_test): New.
12034 (struct decision): Remove test-related members, sort the rest by size.
12035 (IS_SPLIT): Simplify.
12036 (new_decision, new_decision_test): New.
12037 (add_to_sequence): Use them. No special handling for args of
12039 (maybe_both_true): Renamed from not_both_true; return sense changed.
12040 (maybe_both_true_1, maybe_both_true_2): New. Broken out
12041 of maybe_both_true and adjusted for decision_test.
12042 (position_merit): Remove.
12043 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
12044 (merge_accept_insn): New, broken out of merge_trees.
12045 (merge_trees): Use them. No special case for c_test; no node
12046 splitting; use test type instead of position_merit.
12047 (factor_tests): New.
12048 (simplify_tests): New.
12049 (break_out_subroutines): Don't write code now.
12050 (find_afterward): New.
12051 (write_afterward, write_switch, write_cond): New.
12052 (write_action, is_unconditional): New.
12053 (write_node): New. Use them.
12054 (write_tree_1): Rewrite. Use the new functions above.
12055 (write_tree): Remove afterward processing.
12056 (write_subroutine): Simplify function variant emission.
12057 (write_subroutines): New.
12058 (same_codes, clear_codes): Remove.
12059 (same_modes, clear_modes): Remove.
12060 (write_header): New, broken out of main.
12061 (make_insn_sequence): Use new_decision and new_decision_test.
12062 (process_tree): New, broken out of main.
12063 (main): Adjust for merge_trees interface change.
12064 Don't #define operands in the output file.
12065 (record_insn_name): New, broken out of make_insn_sequence.
12066 (debug_decision_2, debug_decision_1, debug_decision_0): New.
12067 (debug_decision): New.
12069 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
12071 * resource.c (find_free_register): Mark class_str argument const.
12072 * resource.h: Update prototype to match.
12074 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
12075 * i386.md: Give all anonymous insns names.
12077 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
12079 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
12082 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
12084 * toplev.c (dbr_sched_time): Unconditional.
12085 (peephole2_time): New.
12086 (compile_file): Add pass numbers to all of the dump file suffixes.
12087 Dump peephole2_time. Don't dump times for non-applicable passes.
12088 (rest_of_compilation): Add pass numbers to dump file suffixes.
12089 Conditionalize calls to the scheduler.
12090 * invoke.texi: Update.
12092 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
12094 * flow.c (make_edges): Fix insn iteration.
12095 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
12096 (find_basic_blocks_1): Fix spelling mistake.
12098 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
12100 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
12101 always have side-effects. Use memset not bzero.
12102 (make_node): Likewise.
12104 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
12106 * stmt.c (expand_anon_union_decl): When any of the elements of the
12107 union is addressable, so is the entire union.
12109 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
12111 * sbitmap.c (sbitmap_ones): Don't set too many bits.
12113 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
12114 * bitmap.c (bitmap_operation): Return true iff TO changed.
12115 (bitmap_equal_p): New.
12116 (bitmap_bit_p): Tidy arithmetic.
12117 (debug_bitmap_file): Likewise.
12119 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
12121 * toplev.c (rest_of_compilation): Turn on cse_not_expected
12122 before cse2 instead of after.
12124 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
12126 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
12129 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12131 * cppinit.c (is_idchar initializer): Loosen tests to accept
12134 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
12136 * mips.md: Define conditional move patterns for floating point
12137 operands and DI mode conditions.
12139 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
12141 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
12142 always have side-effects.
12144 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
12146 * mn10200.c (asm_file_start): Fix typo.
12148 * cppinit.c (is_idchar initializer): Tighten tests for when
12149 to put the table into initialized memory.
12151 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
12152 not an array of rtunion.
12153 * gcc-page.c (ggc_alloc_rtvec): Similarly.
12154 * gcc-simple (ggc_free_rtvec): Similarly.
12156 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
12159 * mbchar.h: Add missing #endif.
12161 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
12162 (FPBIT, DPBIT): Define.
12164 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12166 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
12168 * profile.c (instrument_arcs, output_gcov_string,
12169 tablejump_entry_p): Add static prototypes.
12170 (output_gcov_string): Constify a char*.
12172 * regmove.c (replacement_quality, fixup_match_2): Add static
12175 * resource.h (reg_dead_p): Add extern prototype.
12177 * rtl.c (trim_filename): Add static prototype.
12179 * scan-decls.c (skip_to_closing_brace): Likewise.
12181 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
12182 (expand_end_case): Initialize variable `range'.
12183 (emit_case_nodes): Remove unused prototype `rtx_fn'.
12185 * varasm.c (asm_emit_uninitialised): Add static prototype.
12186 (asm_emit_uninitialised, assemble_variable): Mark parameter with
12189 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12191 * cpplib.c (if_directive_nameo): Add static prototype.
12193 * cse.c (cse_insn): Remove unused variable `p'.
12195 * except.c (create_rethrow_ref, push_entry,
12196 receive_exception_label, new_eh_region_entry, find_func_region,
12197 clear_function_eh_region, process_nestinfo): Add static prototypes.
12198 (get_reg_for_handler): Hide definition.
12199 (process_nestinfo): Initialize variable `extra_handlers'.
12201 * expr.h (expand_builtin_longjmp): Add extern prototype.
12203 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
12205 * function.c (prepare_function_start): Likewise.
12206 (pop_function_context_from): Mark parameter `context' with
12208 (push_temp_slots_for_block, flush_addressof): Hide definition.
12210 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
12211 solve_program_flow_graph, calculate_branch_probs,
12212 function_summary, main, fancy_abort): Add prototypes.
12214 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
12215 (add_hash): Constify a char*.
12217 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
12218 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
12219 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
12221 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
12223 * lists.c (free_list, zap_lists): Likewise.
12225 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12227 * alias.c (nonlocal_reference_p): Add static prototype.
12229 * bitmap.c (bitmap_element_allocate): Prototype args in function
12232 * builtins.c (stabilize_va_list): Add static prototype.
12233 (expand_builtin_va_arg): Constify a char*.
12235 * c-lex.c (getch, put_back, extend_token_buffer_to,
12236 read_line_number, token_getch, token_put_back): Add static
12239 * c-parse.gperf (hash, is_reserved_word): Likewise.
12241 * cccp.c (is_dir_separator): Likewise.
12243 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12245 * graph.h: New file to prototype functions exported by graph.c.
12247 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
12249 * graph.c: Include graph.h.
12251 * toplev.c: Likewise. Remove redundant prototypes.
12253 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
12255 * invoke.texi: Removed duplicated description for -Q.
12257 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
12259 * extend.texi: Grammar fix in __extension__ text.
12261 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
12263 * md.texi (define_peephole2): New section.
12265 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
12267 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
12268 (mov $-1 to or peepholer): Enable for pentium when optimizing for
12271 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
12273 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
12275 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
12277 * i386.md (ffs expander): Emit Pentium friendly code for
12280 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
12282 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
12284 (build1): Likewise.
12286 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12288 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
12290 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
12292 * config/m68k/m68k.c (use_return_insn): Return false if the pic
12293 register is in use.
12295 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12297 * md.texi (No Constraints): Delete section.
12298 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
12299 * final.c (final_scan_insn): We always have register constraints.
12300 * genattrtab.c: Don't include "insn-config.h".
12301 (write_attr_case): We always have register constraints.
12302 * genconfig.c (register_constraint_flag): Delete.
12303 (walk_insn_part): Don't check whether we have register constraints.
12304 (main): Don't write out "#define REGISTER_CONSTRAINTS".
12305 * genoutput.c (have_constraints): Delete.
12306 (main): Don't set it.
12307 (output_operand_data): We always have constraints.
12308 (scan_operands): Likewise.
12309 (compare_operands): Likewise.
12310 * local-alloc.c (block_alloc): We always have constraints.
12311 (requires_inout): Always compile this function.
12312 * recog.c (extract_insn): We always have constraints.
12313 (constrain_operands, reg_fits_class_p): Always compile these
12315 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
12317 (struct insn_operand_data): Likewise.
12318 * regclass.c (regclass): We always have constraints.
12319 (record_reg_classes, copy_cost, record_address_regs,
12320 auto_inc_dec_reg_p): Always compile these functions.
12321 * regmove.c (regmove_optimize): We always have constraints.
12322 * reload.c (find_reloads): Likewise.
12323 * reload1.c (reload): Likewise.
12324 (reload_cse_simplify_operands): Likewise.
12325 * i860.c (output_delay_insn): Likewise.
12327 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
12329 * iris6.h (BUILD_VA_LIST_TYPE): Define.
12331 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12333 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
12334 for the va_list record.
12336 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
12338 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
12341 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
12343 * alias.c: Include insn-flags.h.
12344 * Makefile.in (alias.o): Update.
12346 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
12348 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
12349 to LTU and GEU. Handle more cases using sbb.
12351 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
12353 * i386.md (truncatexfdf splitters): Do not use subreg.
12354 (fop XFmode patterns): Fix mode in operand testing.
12356 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
12358 * jump.c (jump_optimize_1): Amend last change to test only the
12359 form of the operand, not the insn.
12361 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
12362 not register_operand to determine when B may need preloading.
12364 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
12366 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
12367 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
12368 (call-value patterns): Move to end of file.
12369 (*): Remove mode from label_ref in (pc) context.
12370 (movstrqi): Use memory not general_operand for BLKmode operands.
12371 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
12372 to register_operand operands.
12373 (peep2 patterns): Convert from commented-out peephole patterns.
12375 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12377 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
12378 to BUILT_IN_INIT_DWARF_REG_SIZES.
12379 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
12380 Renamed from BUILT_IN_DWARF_REG_SIZE; call
12381 expand_builtin_init_dwarf_reg_sizes.
12382 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
12383 with __builtin_init_dwarf_reg_size_table.
12384 * dwarf2out.c (struct reg_size_range): Delete.
12385 (expand_builtin_init_dwarf_reg_sizes): New function.
12386 (expand_builtin_dwarf_reg_size): Delete.
12387 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
12388 (expand_builtin_dwarf_reg_size): Don't declare.
12389 * libgcc2.c (dwarf_reg_size_table_initialized): New.
12390 (dwarf_reg_size_table): New.
12391 (init_reg_size_table): New function.
12392 (copy_reg): Use dwarf_reg_size_table.
12393 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
12396 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
12398 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
12399 Correctly build argument list to constructor and destructor functions.
12401 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
12403 * c-tree.h (warn_float_equal): Declare.
12404 * c-decl.c (warn_float_equal): Define.
12405 (c_decode_option): Recognize -W[no-]float-equal.
12406 * c-typeck.c (build_binary_op): Conditionally warn
12407 about equality tests of floating point types.
12408 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
12409 * invoke.texi: Add docs for -Wfloat-equal warning.
12411 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
12413 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
12414 generating RTL directly.
12415 * mips.h (INIT_TARGET_OPTABS): Likewise.
12416 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
12418 * expr.h (init_mov_optab): Delete declaration
12420 * h8300.c (WORD_REG_USED): Update to avoid useless register
12421 saves in interrupt functions and functions which never return.
12423 * cse.c (struct set): Delete inner_dest_loc field.
12424 (cse_insn): Remove assignments to inner_dest_loc field.
12426 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
12428 * ggc-page.c: Don't include <unistd.h> etc taken care of
12429 by "system.h". Include <sys/mman.h> afterward.
12431 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
12433 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
12436 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
12438 * xcoffout.c (xcoffout_declare_function): Add documentation.
12439 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
12440 TARGET_64BIT. Compare constant to -1, not bit pattern.
12441 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
12442 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
12445 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
12447 * dwarf2out.c (add_abstract_origin_attribute): Abort if
12448 origin_die is NULL.
12449 (gen_inlined_enumeration_type_die): Do not abort if the type has
12450 not been writeen out.
12451 (gen_inlined_structure_type_die): Do not abort if the type has
12452 not been writeen out.
12453 (gen_inlined_union_type_die): Do not abort if the type has
12454 not been writeen out.
12455 (gen_tagged_type_instantiation_die): Do not abort if the type
12456 has not been written out.
12458 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12460 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
12462 * reg-stack.c (straighten_stack): Copy hard reg set with
12465 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
12467 * builtins.c (stabilize_va_list): Stabilize array type va_list
12468 to a pointer type, not the base record type.
12469 (expand_builtin_va_copy): Dereference the pointers explicitly;
12470 use the correct size for the copy.
12472 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
12473 (rs6000_va_arg): Likewise.
12475 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
12477 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
12479 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
12481 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
12483 (DECL_BUILT_IN_CLASS): Adjust accordingly.
12485 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
12487 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
12488 (init_ggc): Use it instead of a constant.
12489 (ggc_collect): Bound allocated_last_gc by it.
12491 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
12493 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
12496 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
12498 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
12499 (mips*-*-openbsd*): Let big endian configuration be a fragment.
12500 * configure: Regen.
12501 * config/mips/openbsd.h: New, OpenBSD little endian target.
12502 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
12503 * config/mips/xm-openbsd.h: New, OpenBSD host.
12505 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
12507 * config/m68k/m68k.c (output_function_prologue,
12508 output_function_epilogue): Use
12509 current_function_uses_pic_offset_table instead of regs_ever_live
12510 to decide whether to save/restore pic register.
12511 (legitimize_pic_address): Don't modify regs_ever_live any more.
12513 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
12515 * function.h (struct function): Add x_dont_save_pending_sizes_p.
12516 * stor-layout.c (variable_size): Don't add sizes to the pending
12517 sizes list if x_dont_save_pending_sizes_p is set.
12519 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
12521 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
12522 for symbolic_operand().
12523 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
12525 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12527 * combine.c (gen_rtx_combine): Add missing call to va_end().
12529 * final.c (asm_fprintf): Likewise.
12531 * genattrtab.c (attr_rtx): Likewise.
12533 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
12535 * cse.c: Update comments.
12536 (cse_insn): When converting a conditional/computed jump into
12537 an unconditional jump, always make sure a BARRIER immediately
12538 follows the converted jump. Do not delete unreachable code.
12539 (cse_basic_block): Do not delete unreachable code.
12540 * toplev.c (rest_of_compilation): Move call to
12541 delete_trivially_dead_insns after the conditional call to
12544 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12546 * collect2.c (make_temp_file): Don't prototype.
12548 * gcc.c (make_temp_file): Likewise.
12550 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
12552 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
12554 * varasm.c (asm_emit_uninitialised): New function: Generate
12555 the assembler statements necessary to declare an uninitialised
12557 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
12559 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
12560 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
12562 (assemble_variable): Use asm_emit_uninitialised to emit an
12563 uninitialised variable.
12565 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
12567 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
12568 constant on a 64 bit host. Patch supplied by Geoffrey Keating
12569 <geoffk@cygnus.com>.
12571 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12573 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
12574 * c-common.h (builtin_function): Don't declare.
12576 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
12578 (pushdecl): Likewise.
12579 (finish_decl): Likewise.
12580 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
12581 int. All callers changed.
12582 Set the builtin's DECL_BUILT_IN_CLASS.
12583 * tree.h (enum built_in_class): New.
12584 (enum built_in_function): Delete NOT_BUILT_IN.
12585 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
12587 (DECL_SET_FUNCTION_CODE): Likewise.
12588 (DECL_BUILT_IN_CLASS): New macro.
12589 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
12590 (struct tree_decl): Split builtin function code field into a
12592 (builtin_function): Declare.
12594 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
12596 * optabs.c (init_traps): Fix typo in last change.
12598 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
12600 * toplev.c (rest_of_decl_compilation): Update comment.
12602 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12604 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
12605 in .sbss if appropriate.
12606 (EXTRA_SECTION_FUNCTIONS): Add sbss.
12607 (SBSS_SECTION_ASM_OP): New macro.
12608 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
12609 (EXTRA_SECTIONS): Add in_sbss.
12610 * config/mips/mips.h: Prototype sbss_section.
12612 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
12614 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
12617 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
12619 * optabs.c (init_traps): Register trap_rtx as a GC root.
12621 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12623 * config/mips/mips.c (function_arg_pass_by_reference): Define
12624 unconditionally, since it's called unconditionally.
12626 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12628 * toplev.c (documented_lang_options): Add -fshort-wchar.
12629 * c-decl.c (c_decode_option): Likewise.
12630 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
12632 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
12633 * gcc.c (default_compilers): If -fshort-wchar,
12634 override __WCHAR_TYPE__.
12635 * tm.texi (C Dialect Options): Add -fshort-wchar.
12637 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
12638 symbol for a variable.
12640 * cpplib.h (CPP_PREPROCESSED): New macro.
12641 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
12642 we're seeing this input for a second time.
12644 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
12646 * emit-rtl.c (init_emit_once): Initialize modes first.
12648 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
12650 * config/i386/i386.c (pic_label_name): Change to char pointer.
12651 (global_offset_table): New variable.
12652 (load_pic_register): Fill global_offset_table if it hasn't
12653 already been done. Allocate pic_label_name dynamically.
12654 * ggc.h (empty_string): New variable.
12655 * ggc-simple.c (empty_string): Likewise.
12656 (init_ggc): Allocate empty_string and add as root.
12657 * stmt.c (digit_strings): New variable.
12658 (init_stmt): Add last_block_end_note as root. Allocate and
12659 initialize digit_strings.
12660 (expand_asm_operands): Use empty_string instead of string
12661 constant. Use digit_strings instead of string constants.
12662 * profile.c (init_arc_profiler): Allocate string with
12663 ggc_alloc_string instead of xmalloc.
12664 (output_func_start_profiler): Likewise.
12665 * c-typeck.c (digest_init): Check if init is error_mark_node.
12667 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
12668 Richard Henderson <rth@cygnus.com>
12670 * ggc-page.c: New file.
12671 * Makefile.in (ggc-page.o): New.
12673 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
12675 * invoke.texi: Document -fdelete-null-pointer-checks
12676 * toplev.c (flag_delete_null_pointer_checks): New.
12677 (f_options): Add entry for -fdelete-null-pointer-checks.
12678 (rest_of_compilation): Conditionalize null pointer check
12679 elimination on flag_delete_null_pointer_checks.
12680 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
12682 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
12684 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
12685 copyright notice and special exception to GPL.
12687 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12689 * abi64.h (mips_function_value): Add prototype arguments.
12691 * mips-protos.h: New file with mips prototypes.
12693 * mips.c: Include "tm_p.h".
12694 (mktemp, lookup_name): Add prototype arguments.
12695 (extern_list, string_constant, mips_fill_delay_slot,
12696 mips_output_external, mips_output_external_libcall,
12697 mips_output_filename, mips_declare_object, function_prologue,
12698 mips_expand_prologue, function_epilogue, mips16_constant,
12699 build_mips16_function_stub, mips_output_conditional_branch):
12701 (mips_va_start): Remove unused variable `u'.
12702 (mips_va_arg): Cast value to unsigned when comparing against one.
12704 (save_restore_insns, mips_expand_prologue): Add missing arg in
12705 call to `large_int'.
12707 * mips.h: Move prototypes to mips-protos.h.
12708 (data_section, memory_address_p, rdata_section,
12709 readonly_data_section, simple_epilogue_p, text_section): Delete
12710 prototypes delcared elsewhere.
12711 (mips_epilogue_delay_slots, print_options): Delete unused decls.
12713 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
12715 * mips.md: Delete extra args in call to `mips_move_2words'.
12717 * xm-iris6.h (alloca): Add prototype argument.
12719 * genpeep.c: Include "tm_p.h" in generated output file.
12721 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12723 * basic-block.h (find_edge_index): Change parameters.
12724 * flow.c (verify_edge_list): Pass basic_block parameters to
12725 find_edge_index instead of integers.
12727 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
12729 * combine.c (simplify_comparison): Use an unsigned shift to adjust
12732 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
12734 * gcc.1: Fix a formatting error.
12736 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12738 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
12739 i786, mn10200, mn10300, pdp11, v850.
12741 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
12743 * libgcc2.c (num_digits): Add prototype with
12744 __attribute__((const)).
12745 (__terminate): Add prototype.
12747 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
12749 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
12751 * alpha/alpha.c (print_operand): Fix type of `code'.
12752 (alpha_output_filename): Constify.
12753 * alpha/alpha.h: Move all function declarations ...
12754 * alpha/alpha-protos.h: ... here. New file.
12755 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
12756 (SECTION_FUNCTION_TEMPLATE): Likewise.
12758 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12760 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
12761 * expr.c (expand_expr): Likewise.
12762 (do_jump): Likewise.
12763 (do_store_flag): Pass ccp_store_flag to can_compare_p.
12764 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
12766 (enum can_compare_purpose): New.
12767 (can_compare_p): Adjust prototype.
12768 (prepare_cmp_insn, prepare_operand): Declare.
12769 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
12770 * optabs.c (cmp_available_p): Deleted.
12771 (expand_abs): Pass ccp_jump to can_compare_p.
12772 (can_compare_p): New arg PURPOSE. Check for combined optabs.
12773 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
12774 Call can_compare_p rather than cmp_available_p.
12775 (prepare_operand): No longer static.
12776 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
12777 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
12778 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
12779 sequence to use emit_cmp_and_jump_insns.
12780 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
12782 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
12784 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
12785 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
12786 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
12787 (plus (reg) (const_int 0))
12788 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
12790 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
12792 * rs6000.c (expand_block_move): DImode loads and stores require
12793 word-aligned displacements. Increment address registers with
12794 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
12796 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
12798 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
12799 is no name for the base type, rather than segfault. If we are
12800 writing out a complex integer type, use DW_ATE_lo_user.
12802 * expr.c (emit_move_insn_1): If we are copying a complex that fits
12803 in one word or less (complex char, complex short, or on 64 bit
12804 systems complex float) to/from a hard register, copy it through
12805 memory instead of dying in gen_{real,imag}part. If we have a
12806 short complex type, prevent inlining since it allocates stack
12809 * tree.c (build_complex_type): If we are writing dwarf2 output,
12810 generate a name for complex integer types.
12812 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12814 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
12815 * flow.c (remove_edge): Remove extra whitespace.
12816 (remove_fake_edges): Fix comment.
12817 (add_noreturn_fake_exit_edges): Use the correct name.
12819 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
12821 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
12822 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
12823 (clean): Depend on INTL_CLEAN.
12824 (maintainer-clean): Adjust.
12826 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12828 * configure.in (AC_PREREQ): Bump to 2.13.
12829 (AC_C_STRINGIZE): Call this instead of using a custom macro.
12831 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
12833 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
12835 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
12837 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
12838 (HAVE_STRINGIZE): Define.
12840 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
12842 * c-parse.in: save and restore warn_pointer_arith on __extension__
12843 along with pedantic.
12844 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
12845 Set the type of extension to itype rather than $<itype>1 kludge.
12846 * extend.texi (Alternate Keywords): Adjust documentation.
12847 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
12849 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
12851 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
12852 most assembler templates.
12854 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
12855 FP loads and stores.
12856 (following_call): Always return zero for the PA8000.
12857 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
12858 FP loads and stores.
12859 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
12861 * pa.h (BRANCH_COST): Define.
12863 * pa.md (return, return_internal): Use bve for PA2.0.
12865 * pa.md (fused multiply): Add variants which reduce height for the
12866 fused multiply, but which still generate 2 insns.
12867 (fnegabs): Similarly.
12869 * pa.md (subsi3): Turn into an expander. Create two anonymous
12870 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
12871 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
12873 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
12875 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
12877 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
12878 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
12880 * regclass.c (init_regs): Add "top_of_stack" as a garbage
12883 * flow.c (record_active_eh_regions): Terminate loop after finding
12884 the last insn in the last basic block.
12886 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12888 * config/c4x/c4x.md: Delete parallel instruction peepholes.
12890 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12892 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
12894 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12896 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
12897 splitting to not use output template.
12899 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12901 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
12902 * config/c4x/c4x.c (c4x_va_start): New function.
12904 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
12906 * genrecog.c (not_both_true): Handle correctly cases when called for
12907 tests with different positions in the insn.
12909 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12911 * machmode.h (HOST_PTR_PRINTF): Move from here ...
12913 * system.h (HOST_PTR_PRINTF): ... to here.
12915 * mips-tfile.c: Don't include machmode.h.
12917 * Makefile.in (MACHMODE_H): New variable. Update to use it.
12918 (mips-tfile.o): Don't depend on machmode.h.
12920 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12922 * haifa-sched.c (sched_analyze): Rename local variable `region' to
12923 avoid conflicts with typedef struct `region' at the top level scope.
12925 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
12927 * basic-block.h (basic_block): Add eh_beg, eh_end.
12928 * flow.c (entry_exit_blocks): Update.
12929 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
12930 Call new functions.
12931 (find_basic_blocks_1): Don't record eh_list at each bb. Use
12932 lists.c functions to allocate insn lists.
12933 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
12935 (make_eh_edge): ... here. New.
12936 (move_stray_eh_region_notes): New.
12937 (record_active_eh_regions): New.
12938 (delete_unreachable_blocks): Split out block merging ...
12939 (try_merge_blocks): ... here. New.
12940 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
12941 Dump debugging data.
12942 (merge_blocks_move_successor_nojumps): Likewise.
12943 (merge_blocks): Use eh_beg+eh_end to validate block movement.
12945 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12947 * extend.texi (Bound member functions): Document unbound pmf
12950 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12952 * flow.c (split_edge): Handle insertion on a fallthrough edge which
12953 has the EXIT_BLOCK as a dest.
12955 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12957 * flow.c (remove_edge): New function to remove an edge from the
12959 (remove_fake_successors): New function to remove fake successor edges.
12960 (remove_fake_edges): New function to remove all fake edges from the
12962 (add_fake_exit_edges): New function to add fake edges from all blocks
12963 with no successors to the exit block.
12964 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
12965 prototypes for new functions.
12967 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12969 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
12970 Use Pmode to determine whether to output .dword or .word.
12972 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
12974 * tree.c (built_in_filename): New variable.
12975 (BUILT_IN_FILENAME): New macro.
12976 (init_tree_codes): Allocate built_in_filename.
12977 (make_node): Use built_in_filename instead of string constant.
12979 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
12981 * configure.in: Add fr30 target.
12982 * configure: Regenerate.
12983 * config/fr30: New directory.
12984 * config/fr30/crti.asm: New file.
12985 * config/fr30/fr30.c: New file.
12986 * config/fr30/crtn.asm: New file.
12987 * config/fr30/fr30.h: New file.
12988 * config/fr30/fr30.md: New file.
12989 * config/fr30/lib1funcs.asm: New file.
12990 * config/fr30/t-fr30: New file.
12991 * config/fr30/xm-fr30.h: New file.
12993 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
12995 * flow.c (merge_blocks_move_successor_nojumps): Delete the
12996 BARRIER at the end of the successor, not the BARRIER before
12999 * pa.c (pa_add_gc_roots): Fix thinko in last change.
13001 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
13003 * stmt.c (any_pending_cleanups): Don't crash when
13004 current_function->stmt is unset.
13006 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13008 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
13009 other initializations that may use it for relative offsets.
13011 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13013 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
13014 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
13015 * config/i386/sol2dbg.h: Removed.
13016 * config/i386/sol2gas.h: New file, to enable gas work-around.
13017 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
13018 Don't use sol2dbg.h.
13019 * configure: Rebuilt.
13021 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
13023 * invoke.texi (-fthis-is-variable): Remove documentation.
13025 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
13027 * basic-block.h (compute_bb_for_insn): Declare.
13028 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
13029 to use; set size of basic_block_for_insn directly.
13030 (find_basic_blocks): Update.
13032 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13034 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
13036 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13038 * crtstuff.c (ON_EXIT): Delete empty macro definition.
13039 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
13041 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
13043 * c-decl.c (c_decode_option): Extend comment.
13045 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
13047 * toplev.c (progname): Make 'const char *'
13048 (flag_print_mem): Move out of main.
13049 (version_flag): Move out of main.
13050 (filename): Move out of main.
13051 (debug_args): Remove g prefix from options.
13052 (documented_lang_options): Remove cpplib specific options.
13053 (display_help): Add g prefix to debug options.
13054 (check_lang_option): Delete this function.
13055 (decode_d_option): New function: Decode -d... option.
13056 (decode_f_option): New function: Decode -f... option.
13057 (decode_W_option): New function: Decode -W... option.
13058 (decode_g_option): New function: Decode -g... option.
13059 (independent_decode_option): New function: Decode a language
13060 independent command line option.
13061 (main): Invoke lang_decode_option and then
13062 independent_decode_option on each command line option in
13065 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
13067 Revert this change. Gavin's patch to operand_equal_p is a better fix.
13068 * fold-const.c (fold_range_test): Do not try to fold the range
13069 test if the rhs or lhs has side effects.
13071 * basic-block.h (compute_flow_dominators): Declare.
13073 * gcse.c (alloc_code_hoist_mem): New function.
13074 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
13075 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
13076 (hoist_code, one_code_hoisting_pass): Likewise.
13077 (gcse_main): If optimizing for size, then hoist expressions
13078 computed in multiple dominated basic blocks.
13080 * gcse.c (invalid_nonnull_info): New function.
13081 (delete_null_pointer_checks): Likewise.
13082 * rtl.h (delete_null_pointer_checks): Declare.
13083 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
13085 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
13086 (merge-blocks_move_successor_nojumps): Likewise.
13087 (merge_blocks): Allow merging of some blocks, even if it requires
13088 physical movement of the blocks, but not if it requires new jumps.
13090 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
13091 Callers and prototype changed.
13092 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
13094 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13096 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
13097 -YP when both -p and -pg are present. From i386/sol2.h.
13099 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13101 * Makefile.in (distclean): Delete tm_p.h.
13102 * configure.in: Create a new file, "tm_p.h", from a list in
13103 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
13104 "i386/i386-protos.h".
13106 * alias.c: Include "tm_p.h".
13107 * c-typeck.c: Likewise.
13108 * calls.c: Likewise.
13110 * emit-rtl.c: Likewise.
13111 * explow.c: Likewise.
13112 * expmed.c: Likewise.
13113 * expr.c: Likewise.
13114 * final.c: Likewise.
13115 * flow.c: Likewise.
13116 * fold-const.c: Likewise.
13117 * function.c: Likewise.
13118 * gcse.c: Likewise.
13119 * global.c: Likewise.
13120 * haifa-sched.c: Likewise.
13121 * integrate.c: Likewise.
13122 * jump.c: Likewise.
13123 * local-alloc.c: Likewise.
13124 * loop.c: Likewise.
13125 * optabs.c: Likewise.
13126 * recog.c: Likewise.
13127 * reg-stack.c: Likewise.
13128 * regclass.c: Likewise.
13129 * regmove.c: Likewise.
13130 * reload.c: Likewise.
13131 * reload1.c: Likewise.
13132 * reorg.c: Likewise.
13133 * resource.c: Likewise.
13134 * stmt.c: Likewise.
13135 * stor-layout.c: Likewise.
13136 * toplev.c: Likewise.
13137 * tree.c: Likewise.
13138 * unroll.c: Likewise.
13139 * genattrtab.c (main): Make generated file include "tm_p.h".
13140 * genemit.c (main): Likewise.
13141 * genoutput.c (main): Likewise.
13142 * genrecog.c (main): Likewise.
13144 * i386.h: Delete all prototypes.
13145 * i386.c: Include "tm_p.h".
13146 (ix86_attr_length_default): Call constant_call_address_operand
13147 with correct number of arguments.
13148 * i386-protos.h: New file.
13149 * i386.md (unnamed patterns): Call constant_call_address_operand
13150 with correct number of arguments.
13151 (exception_receiver): Call load_pic_register with correct number
13154 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
13156 * c-pragma.c (mark_align_stack): Dereference the void* properly.
13158 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
13160 * rtl.h (insns_safe_to_move_p): New function.
13161 * loop.c (find_and_verify_loops): Use it.
13162 * rtlanal.c (insns_safe_to_move_p): Define it.
13164 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
13166 * c-pragma.c: Include ggc.h.
13167 * Makefile.in (c-pragma.o): Update.
13169 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13171 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
13172 (LIB_SPEC): Likewise.
13173 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
13174 Reindent -YP/-p/-pg.
13175 Copied from config/sparc/sol2.h.
13177 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
13179 * c-pragma.c (mark_align_stack): New.
13180 (init_pragma): New.
13181 * c-pragma.h (init_pragma): Declare it.
13182 * c-lex.c (init_parse): Call it.
13184 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13186 * configure.in: Pick up thread library on Solaris/x86 just
13187 like on Solaris/sparc.
13188 * configure: Rebuilt.
13190 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
13192 * rtl.h (global_rtx_index): New enum.
13193 (global_rtl): Change to array of rtx.
13194 (pc_rtx, cc0_rtx): Redefine accordingly.
13195 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
13196 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
13197 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
13198 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
13199 (const_int_rtx): Change to array of rtx.
13200 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
13202 * emit-rtl.c (global_rtl): Change to array of rtx.
13203 (const_int_rtx): Change to aray of rtx.
13204 (gen_rtx_CONST_INT): Redefine accordingly.
13205 (init_emit_once): Allocate and initialize global_rtl. Likewise
13206 for const_int_rtx. Add both as GC roots.
13207 * genattrtab.c (global_rtl): Update declaration.
13209 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
13211 * Makefile (USER_H): Add iso646.h back.
13213 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
13215 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
13216 zapping the LOG_LINKS of sched_before_next_call.
13218 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
13219 * pa.c (insn_refs_are_delayed): Renamed from
13220 insn_sets_and_refs_are_delayed.
13222 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
13224 * functiion.h (struct function): Add x_whole_function_mode_p.
13225 (retrofit_block): Declare.
13226 * function.c (retrofit_block): New function.
13227 (identify_blocks): Add assertions. Allow an incomplete set of
13228 block notes if we're still generating code for the function.
13229 * integrate.c: Include loop.h.
13230 (expand_inline_function): Call find_loop_tree_blocks to map block
13231 notes to blocks when in whole-function mode. Use retrofit_block
13232 to insert new BLOCKs for the inlined function, rather than
13234 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
13235 * Makefile.in (integrate.o): Depend on loop.h.
13237 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13239 * tree.h (warn_about_unused_variables): Declare.
13240 * stmt.c (warn_about_unused_variables): New function, split out
13242 (expand_end_bindings): Here.
13244 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
13246 * stmt.c (preserve_subexpressions_p): Don't crash when
13247 current_function->stmt is unset.
13249 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
13251 * stmt.c (expand_start_bindings): Allow callers to pass a flag
13252 indicating that no NOTE_INSN_BLOCK_BEG note is required.
13253 (expand_start_target_temps): Use it.
13254 * except.c (expand_eh_region_start_for_decl): Likewise.
13255 * expr.c (expand_expr): Likewise.
13257 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
13259 * fold-const.c (operand_equal_p): Pay attention to side effects.
13261 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13263 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
13264 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
13266 * tlink.c (scan_linker_output): Look for keywords before accepting
13267 a mangled name in quotes.
13269 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
13271 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
13272 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
13274 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
13276 * alpha.md: Revert Thu Nov 26 change that came in through the
13277 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
13278 Avoid earlyclobber when possible.
13280 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13282 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
13284 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
13285 Define HAVE_ON_EXIT.
13287 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13289 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
13290 CTYPE_CONV in all ctype macros.
13292 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
13295 * cexp.y (initialize_random_junk): Likewise.
13297 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
13299 * i370.c (handle_pragma): Likewise.
13301 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
13303 * v850.c (override_options): Likewise.
13305 * doprint.c (_doprnt): Likewise.
13307 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
13310 * fixinc/server.c (load_data): Likewise.
13312 * fold-const.c (real_hex_to_f): Likewise.
13314 * genattr.c (write_upcase, gen_attr): Likewise.
13316 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
13317 write_upcase): Likewise.
13319 * genemit.c (print_code): Likewise.
13321 * genopinit.c (gen_insn): Likewise.
13323 * genpeep.c (print_code): Likewise.
13325 * genrecog.c (print_code): Likewise.
13327 * optabs.c (init_libfuncs): Likewise.
13329 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
13331 * haifa-sched.c (sched_analyze): Keep the list of notes organized
13333 (reemit_notes): Likewise.
13335 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
13337 * ggc.h (ggc_root): Move to ggc-common.c.
13339 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
13340 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
13341 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
13342 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
13343 * ggc-common.c (ggc_root): Move from ggc.h.
13344 (roots): Declare, static.
13345 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
13346 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
13347 null or check/set mark bit.
13348 (ggc_mark_roots): New.
13349 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
13351 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
13353 * m32r.c: Include toplev.h.
13354 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
13355 (gen_compare): Rename swap_p to must_swap to match uses.
13356 Add default abort case.
13357 (m32r_output_function_epilogue): Remove unused variables.
13358 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
13359 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
13360 define to empty parameter list. Update all uses.
13361 (predicate decls): Use enum machine_mode not int.
13362 * m32r.md (movsi): Call abort, not fatal_insn.
13363 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
13365 1999-09-14 Andrew Haley <aph@cygnus.com>
13367 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
13368 use $0 instead of 0.
13370 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13372 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
13373 computation out of loop over hard regs.
13375 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
13377 * function.c (identify_blocks): Don't shadow a variable in an
13379 * integrate.c (integrate_decl_tree): Don't use pushlevel,
13380 pushdecl, or poplevel to build up the new BLOCK tree.
13381 (expand_inline_function): Likewise.
13382 (integrate_parm_decls): Likewise.
13384 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
13386 * c-typeck.c (qualify_type): Merge qualifiers from both types.
13388 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
13390 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
13391 * invoke.texi: Document this change.
13393 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
13395 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
13397 (mark_emit_status): Renamed from mark_emit_state.
13398 * except.c (mark_eh_status): Renamed from mark_eh_state.
13399 Check not null before marking.
13400 (free_eh_status): New.
13401 * expr.c (mark_expr_status, free_expr_status): New.
13402 * function.c (free_machine_status): New.
13403 (free_after_parsing): New.
13404 (free_after_compilation): Move bits to free_after_parsing; call
13405 free_eh_status, free_expr_status; zero the marked members of the
13407 (prepare_function_start): No can_garbage_collect.
13408 Call init_eh_for_function.
13409 (expand_dummy_function_end): Free up current_function state.
13410 (mark_function_status): Renamed from mark_function_state.
13411 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
13412 * function.h (struct function): No can_garbage_collect.
13413 (free_machine_status, free_after_parsing): Declare.
13414 (free_eh_status, free_expr_status): Declare.
13415 * ggc.h (mark_expr_status): Declare.
13416 * stmt.c (free_stmt_status): Free the struct.
13417 (mark_stmt_status): Renamed from mark_stmt_state.
13418 (init_stmt): Don't call init_eh.
13419 (init_stmt_for_function): Don't call init_eh_for_function.
13420 * toplev.c (compile_file): Call init_eh.
13421 (rest_of_compilation): Free basic block info before ggc_collect.
13422 Call free_after_parsing; conditionally call free_after_compilation.
13423 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
13424 Check not null before marking.
13425 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
13427 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
13429 * c-lex.c (yylex): Initialize warn.
13431 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
13433 * pa.c (emit_move_sequence): Properly set the mode of the scratch
13434 register when performing secondary reloads for the SAR register.
13436 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
13438 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
13439 (NOTE_BLOCK): New macro.
13440 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
13441 * function.h (identify_blocks): Change prototype.
13442 * function.c (identify_blocks): Simplify.
13443 (reorder_blocks): Likewise.
13444 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
13445 NOTE_INSN_BLOCK_{BEG,END}.
13446 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
13447 the list of saved notes if the note isn't a
13448 NOTE_INSN_BLOCK_{BEG,END}.
13449 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
13451 (reemit_notes): Adjust recreation of notes to reflect new saved
13453 * print-rtl.c (print_rtx): Print the address of the BLOCK when
13454 printing a block note.
13455 * stmt.c (block_vector): Remove.
13456 (find_loop_tree_blocks): Simplify.
13457 (unroll_block_trees): Likewise.
13458 * tree.h (reorder_block): Change prototype.
13460 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
13462 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
13463 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
13464 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
13465 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
13466 (atexit, exit): Simplify.
13467 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
13468 * config/lots: Remove defns of HAVE_ATEXIT.
13470 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
13472 * calls.c (precompute_arguments): Fix typo in comment.
13473 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
13476 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
13478 * dsp16xx.c (override_options): Fix typos in GC root registration.
13480 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
13482 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
13483 from config/svr4.h.
13484 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
13485 (FUNCTION_PROFILER): Redefine appropriately for Linux.
13486 (CC1_SPEC): Likewise.
13488 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13490 * genattr.c (main): Add extern prototype. Call return, not exit.
13491 * genattrtab.c (main): Likewise.
13492 * gencheck.c (main): Likewise.
13493 * gencodes.c (main): Likewise.
13494 * genconfig.c (main): Likewise.
13495 * genemit.c (main): Likewise.
13496 * genextract.c (main): Likewise.
13497 * genflags.c (main): Likewise.
13498 * gengenrtl.c (main): Likewise.
13499 * genopinit.c (main): Likewise.
13500 * genoutput.c (main): Likewise.
13501 * genpeep.c (main): Likewise.
13502 * genrecog.c (main): Likewise.
13504 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
13505 * genattrtab.c (get_insn_name): Likewise.
13506 * gencodes.c (get_insn_name): Likewise.
13507 * genconfig.c (get_insn_name): Likewise.
13508 * genemit.c (get_insn_name): Likewise.
13509 * genextract.c (get_insn_name): Likewise.
13510 * genflags.c (get_insn_name): Likewise.
13511 * genopinit.c (get_insn_name): Likewise.
13512 * genpeep.c (get_insn_name): Likewise.
13514 * gencheck.c (usage): Add static prototype.
13515 * genextract.c (print_path): Constify a char*.
13516 * genopinit.c (optabs): Likewise.
13517 * genoutput.c (operand_data, data, output_predicate_decls,
13518 compare_operands): Likewise.
13519 * genrecog.c (write_tree): Add default case in switch.
13521 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13523 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
13525 * print-rtl.c (get_insn_name): Remove prototype.
13527 * toplev.h (progname): Declare const.
13529 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
13530 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
13531 dump_sched_info, dump_local_alloc, regset_release_memory,
13532 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
13533 error_with_file_and_line, error_with_decl, error_for_asm, error,
13534 fatal, warning_with_file_and_line, warning_with_decl, warning,
13535 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
13536 Remove redundant prototypes.
13538 (notice, check_lang_option, report_file_and_line, vnotice,
13539 mark_file_stack): Add static prototype.
13540 (set_fatal_function): Add prototype.
13541 (vnotice, report_file_and_line, set_fatal_function,
13542 check_lang_option): Constify a char*.
13543 (main): Prototype. Call return, not exit.
13545 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13547 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
13549 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
13551 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
13553 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
13555 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13557 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
13558 behave as if it's zero in all cases.
13559 (expand_function_start): Adjust call to assign_parms.
13560 * tree.h (assign_parms): Adjust prototype.
13561 * objc/objc-act.c (hack_method_prototype): Adjust call to
13564 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
13566 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
13567 arg_pointer_rtx fixed if the argument pointer register is
13569 (NONZERO_BASE_PLUS_P): Likewise.
13571 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
13573 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
13574 match_insn2 to match_insn.
13575 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
13577 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
13579 * Makefile.in (USER_H): Remove va-foo.h.
13581 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
13582 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
13583 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
13584 va-spur.h,va-v850.h}: Remove.
13586 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
13588 * sparc/sparc.md (eligible_for_return_delay): New attribute.
13589 (in_return_delay): Use it instead of match_insn.
13591 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13593 * config/alpha/va_list.h (va-alpha.h): Do not include.
13594 (__gnuc_va_list): Typedef as in varargs.h.
13596 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
13598 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
13599 DECL_LIVE_RANGE_RTL.
13601 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
13603 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
13604 not NOTE_BLOCK_NUMBER.
13605 (expand_eh_region_end): Likewise.
13606 (find_exception_handler_labels): Likewise.
13607 (scan_region): Likewise.
13608 (exception_optimize): Likewise.
13609 (update_rethrow_references): Likewise.
13610 (set_insn_eh_region): Likewise.
13611 * final.c (final_scan_insn): Likewise.
13612 * flow.c (make_edges): Likewise.
13613 * integrate.c (expand_inline_function): Likewise.
13614 * print-rtl.c (print_rtx): Likewise.
13616 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
13618 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
13619 terms of builtin functions and types.
13621 * mips.c (mips_build_va_list): New.
13622 (mips_va_start, mips_va_arg): New.
13623 * mips.h (BUILD_VA_LIST_TYPE): New.
13624 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
13626 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
13627 (sh_build_va_list, sh_va_start, sh_va_arg): New.
13628 * sh.h (BUILD_VA_LIST_TYPE): New.
13629 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
13631 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
13633 * recog.h (struct recog_data): Make dup_num, operand_address_p,
13634 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
13635 (struct insn_data): Likewise with n_operands, n_dups,
13636 n_alternatives, output_format.
13637 * regclass.c (scan_one_insn): Cast n_operands to int before
13638 arithmetic inside comparison.
13640 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
13642 * toplev.c (compile_function): Unconditionally emit nop.
13644 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13646 * haifa-sched.c (actual_hazard): Move declaration of variable
13647 `this_cost' into the scope where it is used.
13649 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13651 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
13652 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
13653 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
13655 * genrecog.c (make_insn_sequence): Call memset, not bzero.
13657 * jump.c (find_insert_position): Don't declare or define unless
13658 !HAVE_conditional_arithmetic.
13659 (returnjump_p_1, delete_prior_computation): Add static prototypes.
13661 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
13663 * recog.c (offsettable_address_p): Prototype function pointer.
13664 (preprocess_constraints): Call memset, not bzero.
13666 * tree.c (tree_node_kind_names): Constify a char*. Make static.
13667 (gcc_obstack_init): Don't declare.
13668 (fix_sizetype): Add static prototype.
13669 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
13670 (tree_cons): Call memset, not bzero.
13672 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
13673 definition in macro ASM_WEAKEN_LABEL.
13674 (mark_const_hash_entry): Add static prototype.
13676 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13678 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
13680 * unroll.c (find_common_reg_term, subtract_reg_term,
13681 loop_find_equiv_value): Add static prototypes.
13682 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
13683 (copy_loop_body): Remove unreachable break statement.
13685 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
13687 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
13689 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13691 Undo some changes from the gcc2 merge:
13692 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
13693 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
13697 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
13698 * emit-rtl.c (gen_lowpart_common): Disable optimization of
13699 initialized float-int union if the value is a NaN.
13701 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
13703 * gthr-win32.h: New file.
13705 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
13706 shared as a valid attribute.
13707 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
13708 * extend.texi: Document `shared' variable attribute.
13710 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
13712 * configure.in: Handle --enable-threads on FreeBSD.
13713 * configure: Rebuit.
13715 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
13717 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
13719 * configure: Rebuilt.
13721 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
13722 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
13723 Rosimildo DaSilva <rdasilva@connecttel.com>
13725 * configure.in (m68k-*-rtemscoff*): Added.
13726 * configure.in (mips64orion-*-rtems*): Converted to ELF.
13727 * configure.in (sparc-*-rtemsaout*): Added as alias for old
13728 sparc-rtems configuration.
13729 * configure.in (sparc-*-rtemself*): Added.
13730 * configure.in (sparc-*-rtems*): Now ELF not a.out.
13731 * config/i386/rtems.h: Added comment.
13732 * config/sparc/rtemself.h: New file.
13734 * configure.in (m68k-rtemself): Added.
13735 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
13736 and DWARF_DEBUGGING_INFO.
13737 * config/m68k/crti.s: New file.
13738 * config/m68k/crtn.s: New file.
13739 * config/m68k/t-crtstuff: New file.
13740 * config/m68k/rtemself.h: New file.
13742 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
13743 global ctor/dtor and C++ exception handling.
13744 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
13745 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
13747 * config/i386/t-rtems-i386: New File.
13749 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
13751 * stmt.c (expand_end_case): Return right away if the case stack is
13754 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
13756 * Makefile.in (version.c): Remove rule incorrectly brought in from
13759 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
13761 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
13762 * msdos/top.sed: Take into account a prepended $(SHELL) to
13764 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
13766 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
13768 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13770 * regmove.c (fixup_match_1): Don't change an unchanging register.
13771 (stable_but_for_p): Renamed to:
13772 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
13773 Changed all callers.
13775 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
13777 * loop.c (strength_reduce): Don't call reg_used_between_p if the
13778 insn from BL2 is after the insn from BL.
13780 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
13782 * recog.h (INSN_OUTPUT_FORMAT_*): New.
13783 (struct insn_data): Merge `template' and `outfun' into `output'.
13784 Add `output_format'.
13785 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
13786 (struct data): Remove `outfun'; add `output_format'.
13787 (name_for_index): Remove declaration.
13788 (output_insn_data): Handle output formats.
13789 (process_template): Emit the bare array for @.
13790 (gen_expand, gen_split): Set output_format to NONE.
13791 * output.h (get_insn_template): Declare.
13792 * final.c (get_insn_template): New.
13793 (final_scan_insn): Use it.
13794 * toplev.c (compile_file): Likewise.
13796 * c4x/c4x.c (c4x_process_after_reload): Likewise.
13797 * i860/i860.c (output_delayed_branch): Likewise.
13798 (output_delay_insn): Likewise.
13800 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13802 * rtl.c (obstack_alloc_rtx): Removed.
13804 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
13806 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
13808 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
13810 * i386.c (call_insn_operand): Reject const_int.
13811 (expander_call_insn_operand): Use call_insn_operand.
13813 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13815 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
13817 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
13819 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
13820 Use DImode operation.
13822 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
13824 * gcc.c: Include sys/resource.h.
13825 (report_times): New flag.
13826 (execute): If report_times is set, calculate and report the
13827 CPU time consumed by each subprocess.
13829 (rus, prus): New globals.
13830 (option_map): Add --time.
13831 (display_help): Document -time.
13832 (process_command): Set report_times if -time is given.
13833 Turn off -pipe if -time is given.
13835 * invoke.texi: Document new option -time.
13837 * configure.in: Check for getrusage. Check if we have to
13838 prototype getrusage.
13839 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
13840 * configure: Regenerate.
13841 * config.in: Regenerate.
13843 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
13845 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
13848 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
13850 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
13851 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
13852 (nan): Return _thenan_sf or _thenan_df as appropriate.
13853 (L_thenan_sf): Define _thenan_sf.
13854 (L_thenan_df): Define _thenan_df.
13856 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
13857 (DPBIT_FUNCS): Add _thenan_df.
13859 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
13861 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
13864 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13866 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
13869 (lang_specific_driver): Don't take a function pointer parameter.
13870 All callers changed.
13872 * gcc.c: Include gcc.h.
13873 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
13874 lang_specific_extra_outfiles, fatal): Don't declare.
13875 (multilib_defaults_raw): Constify.
13876 (read_specs): Call memset, rather than bzero.
13877 (main): Call return, not exit.
13878 (lookup_compiler): Call memcpy, not bcopy.
13879 (fatal): Make extern.
13881 * cppspec.c: Include gcc.h.
13882 (lang_specific_driver): Initialize variable `quote'. Constify a
13883 char*. All calls to the function pointer parameter now
13884 explicitly call `fatal'.
13886 * gccspec.c (lang_specific_driver): Include gcc.h.
13888 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
13890 * arm.c (note_invalid_constants): Use recog_data.operand_type
13893 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13895 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
13898 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
13899 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
13900 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
13901 reload_secondary_in_reload, reload_secondary_out_reload,
13902 reload_secondary_in_icode, reload_secondary_out_icode,
13903 reload_reg_rtx, reload_when_needed): Delete declarations.
13904 (struct reload): New structure.
13905 (rld): Declare new array.
13906 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
13907 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
13908 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
13909 reload_secondary_in_reload, reload_secondary_out_reload,
13910 reload_secondary_in_icode, reload_secondary_out_icode,
13911 reload_reg_rtx, reload_when_needed): Delete definitions.
13913 (whole file): Replace uses of the deleted arrays with uses of rld.
13914 * reload1.c (whole file): Replace uses of the deleted arrays with
13916 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
13917 explicit loops, not with bcopy.
13919 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
13921 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
13922 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
13923 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
13924 insn_name): Delete and consolidate into new structures.
13925 (insn_operand_predicate_fn): New.
13926 (insn_output_fn): New.
13927 (insn_gen_fn): New.
13928 (struct insn_operand_data): New.
13929 (struct insn_data): New.
13931 (OUT_FCN): Update for insn_data change.
13932 * builtins.c (expand_builtin_strlen): Likewise.
13933 (expand_builtin_memcmp): Likewise.
13934 * combine.c (make_extraction, simplify_comparison): Likewise.
13935 * cse.c (canon_reg, cse_insn): Likewise.
13936 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
13937 * expmed.c (store_bit_field, extract_bit_field): Likewise.
13938 (emit_store_flag): Likewise.
13939 * expr.c (convert_move, emit_block_move): Likewise.
13940 (clear_storage, emit_push_insn, expand_increment): Likewise.
13941 (do_store_flag): Likewise.
13942 * expr.h (GEN_FCN): Likewise.
13943 (insn_gen_function): Die.
13944 * final.c (final_scan_insn): Update for insn_data change.
13945 (output_asm_name): Likewise.
13946 * function.c (fixup_var_refs_1): Likewise.
13947 * loop.c (check_dbra_loop): Likewise.
13948 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
13949 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
13950 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
13951 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
13952 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
13953 * regmove.c (gen_add3_insn): Likewise.
13954 * reload.c (push_secondary_reload, combine_reloads): Likewise.
13955 (find_reloads, find_reloads_address_1): Likewise.
13956 (debug_reload_to_stream): Likewise.
13957 * reload1.c (emit_reload_insns, gen_reload): Likewise.
13958 * stmt.c (expand_end_case): Likewise.
13959 * toplev.c (compile_file): Likewise.
13961 * c4x/c4x.c (c4x_process_after_reload): Likewise.
13962 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
13964 * print-rtl.c (insn_name_ptr): Remove declaration.
13965 (get_insn_name): Declare.
13966 (print_rtx): Use it.
13967 * genoutput.c (insn_name_ptr): Remove.
13968 (next_operand_number): New.
13969 (struct operand_data): New.
13970 (null_operand, odata, odata_end): New.
13971 (struct data): Use struct operand_data.
13972 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
13973 (get_insn_name): Renamed from name_for_index.
13974 (output_prologue): Define NO_MD_PROTOTYPES.
13975 (output_predicate_decls): Break out from output_epilogue.
13976 Iterate over the operands list.
13977 (output_operand_data): Break out from output_epilogue. Emit
13978 just the operands list.
13979 (output_insn_data): Break out from output_epilogue. Emit just
13981 (output_epilogue): Remove.
13982 (output_get_insn_name): New.
13983 (constraints, op_n_alternatives, predicates, address_p): Die.
13984 (modes, strict_low, seen): Die.
13985 (scan_operands): Take new param `d' instead of writing to
13986 seven global variables.
13987 (compare_operands): New.
13988 (place_operands): New.
13989 (validate_insn_alternatives): Update for struct data change.
13990 (gen_insn): Don't zero or copy 7 global arrays. Update for
13991 scan_operands; call place_operands.
13992 (gen_peephole, gen_expand, gen_split): Likewise.
13993 (main): Update for new output routines.
13995 * genattr.c (insn_name_ptr): Remove.
13996 (get_insn_name): New function.
13997 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
13998 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
13999 * genrecog.c: Likewise.
14001 * alpha.md (adddi3): Make `pattern' array static.
14003 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14005 * config/c4x/c4x.h (c4x_rpts_cycles_string,
14006 c4x_cpu_version_string): Constify char *.
14007 * config/c4x/c4x.c (c4x_rpts_cycles_string,
14008 c4x_cpu_version_string): Likewise.
14010 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
14012 * tree.c (save_tree_status): Revert 10 Sep change.
14013 (restore_tree_status): Likewise. Call obstack_free with NULL
14014 before freeing the obstack proper.
14016 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
14018 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
14020 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
14021 surrounding context.
14023 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
14025 * tree.c (type_hash_canon): Put all types in the hash-table, when
14028 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
14030 * recog.h (struct recog_data, recog_data): New.
14031 (recog_foo variables): Kill.
14032 * recog.c (recog_operand, recog_operand_loc): Kill.
14033 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
14034 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
14035 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
14036 (recog_data): Define.
14037 (extract_insn): Update all recog_foo references to use recog_data.
14038 (preprocess_constraints, constrain_operands): Likewise.
14039 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
14040 * genattrtab.c (main): Likewise.
14041 * genextract.c (main): Likewise.
14042 * genoutput.c: Likewise.
14043 * genrecog.c (write_subroutine, main): Likewise.
14044 * local-alloc.c (block_alloc): Likewise.
14045 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
14046 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
14047 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
14048 * reload.c (find_reloads, find_reloads_toplev): Likewise.
14049 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
14050 (reload_cse_simplify_operands): Likewise.
14052 * arc/arc.c (arc_final_prescan_insn): Likewise.
14053 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
14054 * h8300/h8300.c (notice_update_cc): Likewise.
14055 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
14056 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14057 * mn10200/mn10200.c (notice_update_cc): Likewise.
14058 * mn10300/mn10300.c (notice_update_cc): Likewise.
14059 * romp/romp.c (update_cc): Likewise.
14060 * sparc/sparc.c (check_pic): Likewise.
14061 * v850/v850.c (notice_update_cc): Likewise.
14063 * genemit.c (main): Don't declare recog_operand.
14065 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
14067 * ggc.h (rtvec_def): Forward declare.
14068 (tree_node): Likewise.
14069 (ggc_root): Define.
14071 (ggc_set_mark_rtx): Add prototype.
14072 (ggc_set_mark_rtvec): Likewise.
14073 (ggc_set_mark_tree): Likewise.
14074 * ggc-simple.c (ggc_root): Don't define.
14075 (roots): Don't declare.
14076 (ggc_mark_rtx): Remove.
14077 (ggc_mark_rtvec): Likewise.
14078 (ggc_mark_tree): Likewise.
14079 (ggc_mark_varray): Likewise.
14080 (ggc_mark_tree_hash_table_entry): Likewise.
14081 (ggc_mark_tree_hash_table): Likewise.
14082 (ggc_set_mart_rtx): New function.
14083 (ggc_set_mark_rtvec): Likewise.
14084 (ggc_set_mark_tree): Likewise.
14085 (ggc_add_root): Remove.
14086 (ggc_add_rtx_root): Likewise.
14087 (ggc_remove_tree_root): Likewise.
14088 (ggc_add_string_root): Likewise.
14089 (ggc_add_tree_varray_root): Likewise.
14090 (ggc_add_tree_hash_table_root): Likewise.
14091 (ggc_del_root): Likewise.
14092 (ggc_mark_rtx_ptr): Likewise.
14093 (ggc_mark_tree_ptr): Likewise.
14094 (ggc_mark_string_ptr): Likewise.
14095 (ggc_mark_tree_varray_ptr): Likewise.
14096 (ggc_mark_tree_hash_table_ptr): Likewise.
14097 * ggc-common.c: New file.
14098 * Makefile.in (OBJS): Add ggc-common.o.
14099 (ggc-common.o): List dependencies.
14101 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
14103 * cppalloc.c (xstrdup): Use memcpy.
14104 * cpperror.c (cpp_print_containing_files): Don't use
14106 * cpplib.c (conditional_skip): Set temp->lineno.
14107 (do_endif): Make error message less obscure.
14108 (if_directive_name): New function.
14109 (cpp_get_token [case EOF]): Unwind the if stack and generate
14110 error messages for each unterminated conditional in this file.
14111 (parse_string): Do not behave differently if -traditional.
14113 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
14115 * builtins.c (expand_builtin_va_arg): Cope with an array-type
14116 va_list decomposing to pointer-type.
14117 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
14118 (rs6000_va_arg): Likewise.
14120 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
14122 * except.c (start_dynamic_handler): Compute size using
14123 STACK_SAVEAREA_MODE.
14125 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14127 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
14128 include directory headers. Don't define strrchr. Don't provide
14129 my_* replacement functions. Prefer PTR over `pointer_type'.
14130 Don't prototype system functions. Don't redefine getopt.
14132 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
14133 safe_read, safe_write, save_pointers, restore_pointers,
14134 is_id_char, in_system_include_dir, directory_specified_p,
14135 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
14136 find_corresponding_lparen, referenced_file_is_newer,
14137 save_def_or_dec, munge_compile_params, gen_aux_info_file,
14138 process_aux_info_file, identify_lineno, check_source,
14139 seek_to_line, forward_to_next_token_char, output_bytes,
14140 output_string, output_up_to, other_variable_style_function,
14141 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
14142 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
14143 find_static_definition, connect_defs_and_decs, add_local_decl,
14144 add_global_decls, needs_to_be_converted, visit_each_hash_node,
14145 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
14146 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
14147 scan_for_missed_items, edit_file, string_list_cons): Add static
14149 (standard_exec_prefix, target_machine, target_version,
14150 default_syscalls_dir, string_list, string_list_cons, find_file,
14151 do_cleaning): Constify a char*.
14152 (safe_read, safe_write): Use PTR, not a char*.
14153 (is_id_char): Take an int, not a char.
14154 (main): Add prototype. Call return, not exit.
14156 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
14158 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
14159 when comparing types.
14161 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
14163 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
14164 (strength_reduce): Release the varrays from the no-bivs early exit.
14166 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
14167 the loop over the registers.
14169 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
14171 (restore_tree_status): Check that instead when freeing the obstack.
14173 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
14175 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
14178 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14180 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
14181 operand size modifiers.
14183 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14185 * c-common.c (c_common_nodes_and_builtins): Don't build
14187 * c-common.h (enum c_tree_index and related accesor macros): Remove
14188 everything now declared in tree.h.
14189 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14190 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
14191 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
14192 (error_mark_node, void_type_node, char_type_node, integer_type_node,
14193 unsigned_type_node, ptr_type_node, va_list_type_node,
14194 integer_zero_node, null_pointer_node, integer_one_node): Delete.
14195 (init_decl_processing): Call build_common_tree_nodes and
14196 build_common_tree_nodes_2 instead of building their nodes here.
14197 Don't add roots for these nodes.
14198 * stor-layout.c (size_zero_node, size_one_node): Delete.
14199 (set_sizetype): Make a new node for bitsizetype each time.
14200 * tree.c (global_trees): New variable.
14201 (init_obstacks): Add a gc root for it.
14202 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14203 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
14204 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
14205 (build_common_tree_nodes): New function.
14206 (fix_sizetype): New function.
14207 (build_common_tree_nodes_2): New function.
14208 * tree.h (enum tree_index): New.
14209 (global_trees): Declare.
14210 Add accessor macros for all nodes now moved to global_trees.
14211 Delete their declarations.
14213 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
14215 * c-decl.c (finish_function): When processing a nested function,
14216 push and pop GC context around rest_of_compilation.
14218 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
14220 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
14221 Default ix86_arch to PROCESSOR_I386.
14222 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
14223 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
14224 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
14225 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
14226 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
14227 (EXTRA_SPECS): Remove deleted specs.
14229 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
14231 * function.c (assign_stack_local_1): Allocate from
14232 function->x_frame_offset, not frame_offset.
14234 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
14236 * ggc.h (lang_cleanup_tree): Remove.
14237 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
14238 * ggc-callbacks.c (lang_cleanup_tree): Remove.
14240 * c-decl.c (finish_struct): Use ggc_alloc to allocate
14241 TYPE_LANG_SPECIFIC when garbage collecting.
14242 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
14243 (lang_cleanup_tree): Remove.
14245 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
14247 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
14248 * crtstuff.c: Not here.
14249 * dwarf2out.c: Or here.
14250 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
14253 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
14255 * function.h (free_after_compilation): Remove decl parameter.
14256 (free_varasm_status0: Likewise.
14257 (free_emit_status): Likewise.
14258 (free_stmt_status): Likewise.
14259 (free_after_compilation): Likewise.
14260 (init_lang_status): New variable.
14261 (free_lang_status): Likewise.
14262 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
14263 * function.c (init_lang_status): New variable.
14264 (free_lang_status): Likewise.
14265 (push_function_context_to): Don't set function::decl here.
14266 (free_after_copmilation): Make decl parameter implicit. Call
14267 free_lang_status if defined.
14268 (prepare_function_start): Call init_lang_status if defined.
14269 (init_function_start): Set function::decl here.
14270 * profile.c (output_func_start_profiler): Don't call pushdecl
14271 until we've actually started the function.
14272 * stmt.c (free_stmt_status): Make decl parameter implicit.
14273 * toplev.c (rest_of_compilation): Don't pass decl to
14274 free_after_compilation.
14275 * varasm.c (free_varasm_status): Likewise.
14277 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14279 * except.c (call_get_eh_context): Add root when allocating static
14282 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
14284 * arm.c: Include "ggc.h".
14285 (arm_add_gc_roots): New function.
14286 (arm_override_options): Call it.
14287 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
14289 * arm.md (define_asm_attributes): Add a pool_range attribute.
14291 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
14293 * extend.texi (Volatiles): New node.
14295 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
14297 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
14298 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
14299 (struct ggc_any): Replace `mark' with `magic_mark'.
14300 (ggc_alloc_string): Use memcpy, not bcopy.
14301 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
14302 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
14303 (ggc_free_any): New.
14304 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
14305 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
14306 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
14307 Use IS_MARKED. Use ggc_free_any.
14309 1999-09-09 Scott Bambrough <scottb@netwinder.org>
14311 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
14313 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
14315 * toplev.c (main): Always init_ggc.
14317 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
14319 * except.c (find_all_handler_type_matches): Free the list if
14320 we found no matches.
14322 * combine.c (SUBST): Break out to a real function do_SUBST.
14323 (SUBST_INT): Likewise.
14324 * gcse.c (free_pre_mem): Free `temp_bitmap'.
14325 (pre_insert): Free `inserted'.
14326 * loop.c (basic_induction_var): Always set `location'.
14328 * function.c (expand_function_end): Add initial_trampoline as a root.
14329 * rtl.h (init_varasm_once): Declare.
14330 * toplev.c (compile_file): Call it.
14331 * ggc-simple.c (ggc_mark_string_ptr): New.
14332 (ggc_add_string_root): New.
14333 (ggc_collect): Disable collection avoidance temporarily.
14334 * ggc.h (ggc_add_string_root): Declare.
14335 * except.c (create_rethrow_ref): Use ggc_alloc_string.
14336 * optabs.c (init_libfuncs): Likewise.
14337 * varasm.c (named_section): Use ggc_alloc_string.
14338 (make_function_rtl): Likewise.
14339 (make_decl_rtl): Likewise.
14340 (assemble_static_space): Likewise.
14341 (assemble_trampoline_template): Likewise.
14342 (output_constant_def): Likewise.
14343 (force_const_mem): Likewise.
14344 (mark_const_hash_entry): New.
14345 (mark_pool_sym_hash_table): New.
14346 (mark_varasm_state): Use it.
14347 (init_varasm_once): New.
14349 * expr.h (init_one_libfunc): Declare.
14350 * optabs.c (init_one_libfunc): New.
14351 (init_optabs): Use it.
14352 * config/gofast.h: Likewise.
14353 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
14354 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
14356 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
14358 * Makefile.in (cppexp.o): Depend on cpphash.h.
14359 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
14361 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
14362 * cpplib.c (do_define): Generalise to handle poisoned definitions,
14363 redefining poisoned identifiers, etc.
14364 (do_undef): Don't allow poisoned identifiers to be undefined.
14365 (do_pragma): Add #pragma poison.
14366 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14368 * cccp.c: Add T_POISON node type.
14369 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
14371 (do_define): Generalise to handle poisoned definitions,
14372 redefining poisoned identifiers, etc.
14373 (do_undef): Don't allow poisoned identifiers to be undefined.
14374 (do_pragma): Add #pragma poison.
14375 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14377 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
14378 * c-pragma.h: Add ps_poison state. We now always have generic
14381 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
14383 * ggc.h (ggc_alloc): New function.
14384 (ggc_mark): Likewise.
14385 * ggc-simple.c (ggc_any): New structure.
14386 (ggc_status): Add anys.
14387 (n_anys_collected): New variable.
14388 (ggc_alloc): Define.
14389 (ggc_mark): Likewise.
14390 (ggc_collect): Collect the anys.
14392 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14394 * c-decl.c (mark_binding_level): Make static to match prototype.
14396 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
14398 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
14400 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
14402 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
14403 will use into account. Expand the max width to 5.
14406 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
14408 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
14409 for the rtx length.
14411 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
14413 * alpha.md (call value patterns): Remove the result predicates.
14415 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
14417 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
14420 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14422 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
14423 changed from extern char *, to extern PTR. Also fix typo in
14424 NEED_DECLARATION_REALLOC test.
14426 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
14428 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14430 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
14431 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
14432 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
14433 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
14435 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
14437 * cccp.c (pcfinclude): Likewise.
14439 * global.c (allocno_compare): Likewise.
14441 * haifa-sched.c (rank_for_schedule): Likewise.
14443 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
14445 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
14447 * stupid.c (stupid_reg_compare): Likewise.
14449 * tree.c (_obstack_allocated_p): Likewise.
14451 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
14453 1999-09-08 Bruce Korb autogen@linuxbox.com
14455 * Makefile.in: Give the hapless gperf user a hint about
14456 why "gperf -F" fails.
14458 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
14460 * lists.c: Include ggc.h.
14462 (init_EXPR_INSN_LIST_cache): Install it.
14464 * ggc-simple.c (init_ggc): Absorb the old init.
14465 (ggc_push_context): Use xcalloc.
14466 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
14467 (ggc_collect): Add [rvts] tags to the collection stats.
14469 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
14471 * cccp.c (main): Fix handling of -include and -imacros options.
14473 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
14475 * cpplib.c (cpp_push_buffer): Fix order of arguments.
14477 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14479 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
14482 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
14484 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
14485 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
14486 and SET_DEST. Update comment.
14488 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14490 * config/c4x/c4x.c: Include ggc.h.
14491 (c4x_add_gc_roots): New function.
14492 (c4x_override_options): Call c4x_add_gc_roots.
14494 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
14496 * defaults.h (TARGET_ESC): Move ...
14497 * system.h: ... here, where Linas had it in the first place. Silly me.
14499 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
14501 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
14502 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
14503 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
14504 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
14505 * defaults.h (TARGET_ESC): Add default.
14507 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
14509 * configure.in: add i370-*-openedition, i370-*-mvs and
14510 i370-*-linux targets
14512 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
14514 * dsp16xxx.c: Include ggc.h
14515 (override_options): Mark GC roots.
14516 * mn10200.c: Include ggc.h.
14517 (asm_file_start): Mark GC roots.
14518 * tahoe.c: Include ggc.h.
14519 (extensible_operand): Mark GC roots.
14521 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
14523 * README: Add section discussing status of ELF ABI.
14524 * i370.c: Fix misc spelling mistakes.
14525 (i370_label_scan): Updated notes, exception handling.
14526 (i370_function_prolog): Simplify ELF stack handling.
14527 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
14528 (STACK_GROWS_DOWNWARD): ELF stack grows down.
14529 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
14530 * i370.md: (movdi): Add notes.
14531 (floatsidf2): Use stack not rtca for scratch float area.
14532 (iorsi3): Correct operand constraints.
14533 * x-oe: Restore TAROUTOPTS which are used by pax.
14535 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
14537 * rs6000.c: Include ggc.h.
14538 (rs6000_add_gc_roots): New function.
14539 (override_options): Call it.
14541 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
14543 * alpha.h (alpha_compare): New.
14544 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
14545 * alpha.c: Likewise for the definitions.
14546 (alpha_emit_conditional_branch): Update for alpha_compare.
14547 (alpha_emit_conditional_move): Likewise.
14548 * alpha.md (cmpdf, cmpdi): Likewise.
14549 (setcc patterns): Likewise. Zero alpha_compare after use.
14550 (sne): Optimize (x != 0) into (0U < x).
14552 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
14554 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
14555 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
14556 (INIT_EXPANDERS): Remove.
14557 * alpha.c: Include ggc.h.
14558 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
14559 (alpha_init_machine_status, alpha_mark_machine_status): New.
14560 (override_options): Install them.
14561 (struct machine_function): Moved to alpha.h.
14562 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
14563 (alpha_init_expanders): Remove.
14564 (alpha_return_addr): Adjust to use current_function->machine.
14565 (alpha_ra_ever_killed): Likewise.
14566 (alpha_expand_epilogue): Likewise.
14567 * alpha.md (eh_epilogue): Likewise.
14569 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
14570 Melissa O'Neill <oneill@cs.sfu.ca>
14571 Geoffrey Keating <geoffk@cygnus.com>
14573 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
14574 call-used registers (call-saved registers must still be contiguous
14575 and end with r31, of course).
14577 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
14579 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
14580 (self_promoting_type_p): Delete.
14581 (self_promoting_args_p): Move ...
14582 * c-common.c: ... here.
14583 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
14584 (simple_type_promotes_to): New.
14585 * builtins.c (lang_type_promotes_to): New.
14586 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
14587 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
14588 * c-common.h: ... here.
14589 (self_promoting_args_p, simple_type_promotes_to): Declare.
14590 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
14591 (grokdeclarator): Likewise.
14592 * tree.h (lang_type_promotes_to): Declare.
14594 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
14596 Add some machine-dependent GC roots.
14597 * sparc.c: Include ggc.h.
14598 (sparc_add_gc_roots): New function.
14599 (mark_ultrasparc_pipeline_state): Likewise.
14600 (override_options): Call sparc_add_gc_roots.
14601 * pa.c: Include ggc.h.
14602 (pa_add_gc_roots): New function.
14603 (mark_deferred_plabels): Likewise.
14604 (override_options): Call pa_add_gc_roots.
14605 * mips.c: Include ggc.h.
14606 (mips_add_gc_roots): New function.
14607 (override_options): Use it.
14609 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14611 * cpperror.c (cpp_file_line_for_message): Constify a char*.
14613 * cppexp.c (parse_number, parse_charconst, cpp_lex,
14614 cpp_parse_expr): Add static prototypes.
14615 (parse_charconst): Don't cast away const-ness.
14616 (token): Constify a char*.
14618 * cppfiles.c (file_name_list, include_hash, find_include_file,
14619 finclude, initialize_input_buffer): Constify a char*.
14620 (file_cleanup, find_position): Add static prototypes.
14622 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
14623 collect_expansion): Add static prototypes.
14624 (cpp_install, create_definition, monthnames): Constify a char*.
14626 * cpphash.h (cpp_install): Likewise.
14628 * cppinit.c (known_suffixes, default_include,
14629 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
14630 (base_name, dump_special_to_buffer, initialize_dependency_output):
14631 Add static prototypes.
14633 * cpplib.c (my_strerror): Constify a char*.
14634 (null_underflow, null_cleanup, skip_comment, copy_comment,
14635 copy_rest_of_line, handle_directive, pass_thru_directive,
14636 get_directive_token, read_line_number, cpp_print_file_and_line,
14637 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
14638 v_cpp_warning_with_line, detect_if_not_defined,
14639 consider_directive_while_skipping): Add static prototypes.
14640 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
14641 cpp_pedwarn_with_file_and_line): Constify a char*.
14643 * cpplib.h (cpp_options, include_hash, progname, definition,
14644 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
14645 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
14646 find_include_file, deps_output, include_hash): Constify a char*.
14648 * cppmain.c (progname): Constify.
14649 (main): Add prototype. Use return, not exit.
14651 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
14652 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
14653 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
14654 check_protection): Add static prototype.
14656 (progname, recognized_macrom, recognized_extern): Constify a char*.
14657 (main): Add prototype.
14659 * gen-protos.c (progname): Constify a char*.
14661 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
14663 * emit-rtl.c (free_emit_status): Take decl as a parameter.
14664 (init_emit_once): Add more GC roots.
14665 * except.c (mark_func_eh_entry): New function.
14666 (mark_eh_node): Mark false_label and rethrow_label.
14667 (init_eh): Add more GC roots.
14668 * function.c (free_after_compilation): Take decl as a paramter.
14669 Call free_stmt_status.
14670 (mark_function_state): Don't assume x_parm_reg_stack_loc is
14672 * function.h (free_after_compilation): Change prototype.
14673 (free_varasm_status): Likewise.
14674 (free_emit_status): Likewise.
14675 (free_stmt_status): New function.
14676 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
14677 Remove, replacing with ...
14678 (ggc_status): New structure.
14679 (ggc_chain): New variable.
14680 (init_gcc): Define.
14681 (ggc_push_context): New function.
14682 (ggc_pop_context): Likewise.
14683 (ggc_alloc_rtx): Adjust for use of ggc_chain.
14684 (ggc_alloc_rtvec): Likewise.
14685 (ggc_alloc_tree): Likewise.
14686 (ggc_alloc_string): Likewise.
14687 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
14688 (ggc_mark_tree): Give language-dependent code a chance to mark
14690 (ggc_mark_tree_varray): Handle empty arrays.
14691 (ggc_collect): Adjust for use of ggc_chain. Clear
14692 bytes_alloced_since_last_gc.
14693 * ggc.h (ggc_pop_context): New function.
14694 (ggc_push_context): Likewise.
14695 * print-tree.c (print_node): Don't print obstacks when GC'ing.
14696 * stmt.c (free_stmt_status): New function.
14697 (init_stmt_for_function): Clear last_expr_value.
14698 * toplev.c (rest_of_compilation): Always call free_after_compilation.
14699 Conditionalize call to ggc_collect.
14700 (main): Call init_ggc.
14701 * tree.c (push_obstacks): Do the push, even when GC'ing.
14702 (push_obstacks_nochange): Likewise.
14703 (pop_obstacks): Liekwise.
14704 * varasm.c (free_varasm_status): Take decl as a parameter.
14706 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
14708 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
14709 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
14710 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
14711 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
14713 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
14715 * pa/x-pa-mpeix: New file for the MPE port.
14717 * pa/quadlib.asm: New file for long double support.
14719 * configure.in: Add hppa1.0-*-mpeix for MPE port.
14720 * configure: Rebuilt.
14722 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
14724 * final.c (shorten_branches): Fix last change.
14726 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
14728 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
14730 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
14732 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
14735 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14737 * c-aux-info.c (concat): Don't define.
14739 * cccp.c (my_strerror): Likewise. All callers changed to use
14741 (do_include): Call xstrdup, not xmalloc/strcpy.
14742 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
14743 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
14745 * collect2.c (my_strsignal): Likewise. All callers changed to use
14747 (locatelib): Call xstrdup, not xmalloc/strcpy.
14749 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
14751 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
14753 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
14755 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
14757 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
14759 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
14761 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
14763 (find_all_handler_type_matches): Likewise. Don't check return
14765 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
14766 xmalloc, not malloc.
14767 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
14769 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
14770 (init_spec): Call xcalloc, not xmalloc/bzero.
14771 (set_spec): Call xstrdup, not save_string.
14772 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
14773 (find_a_file): Call xstrdup, not xmalloc/strcpy.
14774 (process_command): Call xstrdup, not save_string.
14775 (main): Call xcalloc, not xmalloc/bzero.
14777 * gcov.c (xmalloc): Don't define.
14778 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
14779 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
14780 (output_data): Call xcalloc, not xmalloc/bzero.
14782 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
14784 * mips-tdump.c (xmalloc): Don't define.
14785 (print_symbol): Call xmalloc, not malloc.
14786 (read_tfile): Call xcalloc, not calloc.
14788 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
14789 Don't define. All callers of xfree/my_strsignal changed to use
14790 free/strsignal instead.
14791 (allocate_cluster): Call xcalloc, not calloc.
14793 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
14794 Fix memory leak, free allocated memory.
14796 * prefix.c (translate_name): Call xstrdup, not save_string.
14797 (update_path): Likewise.
14799 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
14801 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
14802 Don't define. Callers of xfree/savestring2 changed to use
14803 free/concat instead.
14805 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
14806 (init_elim_table): Likewise.
14808 * resource.c (init_resource_info): Likewise.
14810 * stupid.c (stupid_life_analysis): Likewise.
14812 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
14813 (open_dump_file): Call concat, not xmalloc/strcpy/...
14814 (clean_dump_file): Likewise.
14815 (compile_file): Call xstrdup, not xmalloc/strcpy.
14817 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
14819 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
14820 * v850.c (v850_va_arg): New.
14822 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14824 * haifa-sched.c: Tidy comments.
14826 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14828 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
14829 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
14830 $(out_object_file)): Depend on ggc.h.
14831 * c-common.c: Include "ggc.h".
14832 (combine_strings): If doing GC, use ggc_alloc_string.
14833 * c-decl.c: Include "ggc.h".
14834 (ggc_p): Define with value 0.
14835 (mark_binding_level): New function.
14836 (init_decl_processing): Add GC roots.
14837 (mark_c_function_context): New function.
14838 (lang_mark_false_label_stack): New function.
14839 (lang_mark_tree): New function.
14840 (lang_cleanup_tree): New function.
14841 * c-lang.c: Include "ggc.h".
14842 (lang_init): Call c_parse_init.
14843 * c-lex.c: Include "ggc.h".
14844 (check_linenum): If doing GC, don't copy filenames to permanent
14846 * c-parse.in: Include "ggc.h".
14847 (c_parse_init): New function.
14848 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
14849 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
14851 * except.c (mark_eh_state): Mark more state.
14852 * function.c (mark_function_state): Likewise.
14853 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
14854 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
14855 * toplev.c (mark_file_stack): New function.
14856 (compile_file): If doing GC, use ggc_alloc_string on input filename.
14857 (main): Add root for input_file_stack.
14859 * i386.c: Include "ggc.h".
14860 (ix86_mark_machine_status): New function.
14861 (override_options): Set mark_machine_status.
14863 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14865 * tree.c (copy_node): Copy node contents also if doing GC.
14867 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14869 * collect2.c (scan_libraries): Fix double-thinko :-).
14871 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
14873 * collect2.c (scan_libraries): Fix thinko.
14875 * cse.c (delete_trivially_dead_insns): Do not skip the last
14876 insn if it is a real insn.
14878 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
14880 * Makefile.in (ggc-simple.o): Depend on hash.h.
14881 * ggc.h (ggc_add_tree_hash_table_root): Declare.
14882 (ggc_mark_tree_varray): Likewise.
14883 (ggc_mark_tree_hash_table): Likewise.
14884 * ggc-simple.c: Include hash.h.
14885 (ggc_mark_tree_hash_table_ptr): New function.
14886 (ggc_mark_tree_hash_table_entry): Likewise.
14887 (ggc_mark_tree_hash_table): Likewise.
14888 (ggc_add_tree_hash_table_root): Likewise.
14889 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
14890 rtx, when defining fields.
14892 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
14894 * profile.c (output_func_start_profiler): Remove apparently
14895 nonsensical call to start_sequence.
14897 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
14899 * clipper/clipper.c (clipper_va_start): Fix typos.
14901 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
14902 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
14903 (spur_va_arg): New stub.
14905 * configure.in: Comment out pyramid.
14907 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
14909 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
14910 don't conflict with the bits that win32, cygwin, and dgux
14913 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
14914 Bernd Schmidt <bernds@cygnus.co.uk>
14916 * integrate.c (function_cannot_inline_p): Do not inline
14917 functions with forced labels.
14919 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
14920 Bernd Schmidt <bernds@cygnus.co.uk>
14921 Mark Mitchell <mark@codesourcery.com>
14923 * Makefile.in (ggc-simple.o): Depend on varray.h.
14924 (rtl.o): Depend on ggc.h.
14925 (genattrtab.o): Depend on ggc.h.
14926 (print-tree.o): Likewise.
14927 (fold-const.o): Likewise.
14928 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
14929 (make_insn_raw): Don't cache insns when GC'ing.
14930 (emit_insn_before): Likewise.
14931 (emit_insn_after): Likewise.
14932 (emit_insn): Likewise.
14933 (start_sequence): Use xmalloc to allocate the sequence_stack.
14934 (end_sequence): Add free to free it.
14935 (gen_sequence): Don't cache insns when GC'ing.
14936 (clear_emit_caches): Don't use sequence_element_free_list.
14937 (init_emit): Use xcalloc, not xmalloc+bzero.
14938 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
14939 * function.c (pop_function_context_from): Use free to free the
14940 fixup_var_refs_queue.
14941 (put_reg_into_stack): Allocate it with xmalloc.
14942 * genattrtab.c: Include ggc.h.
14943 (operate_exp): Don't use obstack_free when GC'ing.
14944 (simplify_cond): Likewise.
14945 (simplify_text_exp): Likewise.
14946 (optimize_attrs): Likewise.
14947 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
14949 (gencode): Generate a #include for ggc.h.
14950 * ggc-callbacks.c (ggc_p): Define it to zero.
14951 * ggc-none.c (ggc_p): Likewise.
14952 * ggc-simple.c: Include varray.h.
14953 (ggc_mark_tree_varray): New function.
14954 (ggc_add_tree_varray_root): Likewise.
14955 (ggc_mark_tree_varray_ptr): Likewise.
14956 * ggc.h (ggc_p): Declare.
14957 (varray_head_tag): Likewise.
14958 (ggc_add_tree_varray_root): Declare.
14959 * print-tree.c (print_node): Don't check for TREE_PERMANENT
14960 inconsistencies when GC'ing.
14961 * rtl.c: Include ggc.h.
14962 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
14963 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
14964 (rtx_free): Don't call obstack_free when GC'ing.
14965 * toplev.c (rest_of_compilation): Call ggc_collect after every
14967 * tree.c (push_obstacks): Do nothing, if GC'ing.
14968 (pop_obstacks_nochange): Likewise.
14969 (pop_obstacks): Likewise.
14970 (make_node): Use ggc_alloc_tree when GC'ing.
14971 (copy_node): Likewise.
14972 (get_identifier): Use ggc_alloc_string when GC'ing.
14973 (build_string): Likewise.
14974 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
14975 (tree_cons): Likewise.
14976 (build1): Likewise.
14977 (type_hash_canon): Don't call obstack_free when GC'ing.
14979 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
14981 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
14982 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
14984 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
14985 Bernd Schmidt <bernds@cygnus.co.uk>
14986 Mark Mitchell <mark@codesourcery.com>
14988 * Makefile.in (stor-layout.o): Depend on ggc.h.
14989 (expr.o): Depend on ggc.h.
14990 (profile.o): Depend on ggc.h.
14991 (stor-layout.o): Depend on ggc.h.
14992 * emit-rtl.c (init_emit_once): Add gc roots.
14993 * expr.c: Include ggc.h.
14994 (emit_block_move): Add gc roots.
14995 (clear_storage): Likewise.
14996 * expr.h (init_stor_layout_once): New function.
14997 * profile.c: Include ggc.h.
14998 (init_arc_profiler): profiler_label is a root.
14999 * scan.c (make_sstring_space): Trust xrealloc to function
15000 correctly with first parameter NULL.
15001 * stor-layout.c: Include ggc.h.
15002 (set_sizetype): Add gc root.
15003 (init_stor_layout_once): New function.
15004 * toplev.c (compile_file): Call it.
15006 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
15007 Bernd Schmidt <bernds@cygnus.co.uk>
15008 Mark Mitchell <mark@codesourcery.com>
15010 * Makefile.in (tree.o): Depend on ggc.h.
15011 (varasm.o): Likewise.
15012 (function.o): Likewise.
15013 (stmt.o): Likewise.
15014 (except.o): Likewise.
15015 (optabs.o): Likewise.
15016 (emit-rtl.o): Likewise.
15017 * emit-rtl.c: Include ggc.h.
15018 (sequence_element_free_list): Remove, and all references.
15019 (mark_sequence): New functions.
15020 (mark_emit_state): New function.
15021 * except.c: Include ggc.h.
15022 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
15023 (mark_tree_label_node): New functions.
15024 (mark_eh_state): New function.
15025 * function.c: Include ggc.h.
15026 (mark_temp_slot, mark_function_chain): New functions.
15027 (mark_function_state): New function.
15028 (init_function_once): New function.
15029 * function.h (init_function_once): New function.
15030 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
15031 * ggc.h (label_node): Declare.
15032 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
15033 (lang_mark_false_label_stack): New function.
15034 (mark_temp_slot): Remove declaration.
15035 (mark_function_chain): Likewise.
15036 (mark_eh_state): Adjust prototype.
15037 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
15039 * optabs.c: Include ggc.h.
15040 (mark_optab): New function.
15041 (init_optabs): Add gc roots.
15042 * stmt.c: Include ggc.h.
15043 (mark_cond_nesting, mark_loop_nesting): New functions.
15044 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
15045 (mark_stmt_state): New function.
15046 * toplev.c (compile_file): Call init_function_once.
15047 * tree.c: Include ggc.h.
15048 (type_hash): Move declaration earlier in file.
15049 (TYPE_HASH_SIZE, type_hash_table): Likewise.
15050 (init_obstacks): Add gc roots.
15051 (mark_type_hash): New function.
15052 * varasm.c: Include ggc.h.
15053 (mark_pool_constant): New function.
15054 (mark_varasm_state): New function.
15056 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15058 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
15060 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15062 * c-decl.c (struct language_function): Renamed from struct c_function.
15064 (c_function_chain): Delete.
15065 (push_c_function_context): New arg F. Don't warn about nested
15066 functions here. Fill LANGUAGE elt of F. Delete code to update
15067 c_function_chain. Don't call push_function_context.
15068 (pop_c_function_context): New arg F. Restore from there instead of
15069 from c_function_chain. Don't call pop_function_context. Clear out
15070 LANGUAGE field of F when done.
15071 * c-lang.c: Include "function.h"
15072 (lang_init): Initialize save_lang_status and restore_lang_status.
15073 * c-parse.in (nested_function, nested_function_notype): Warn about
15074 nested functions. Call push_function_context/pop_function_context
15075 instead of the _c_ variants.
15076 * c-tree.h (push_c_function_context, pop_c_function_context): Update
15078 * Makefile.in (c-lang.o): Update dependencies.
15080 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
15081 regno_pointer_flag, regno_pointer_align.
15082 (gen_reg_rtx): Use xrealloc to enlarge them.
15083 (free_emit_status): New function.
15084 * function.c (mark_machine_status, mark_lang_status): New variables.
15085 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
15086 in some bits from assign_stack_local. All callers changed to use new
15088 (assign_stack_local): Just call assign_stack_local_1.
15089 (free_after_compilation): New function.
15090 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
15091 (trampoline_address): Likewise.
15092 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
15093 (prepare_function_start): Explicitly clear some more variables.
15094 * function.h (struct function): New elt can_garbage_collect.
15095 (mark_machine_status, mark_lang_status): Declare variables.
15096 (free_after_compilation, free_emit_status, free_varasm_status,
15097 init_varasm_status): Declare functions.
15098 * toplev.c (rest_of_compilation): Call free_after_compilation when
15099 done with the current function.
15100 * varasm.c (free_varasm_status): New function.
15102 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
15104 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
15105 (EXPAND_BUILTIN_VA_ARG): Define.
15106 * sparc.c (sparc_va_start): New.
15107 (sparc_va_arg): New.
15109 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15111 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
15113 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15115 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
15117 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
15119 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
15120 (OBJS): Add $(GGC).
15121 (ggc-callbacks.o): New target.
15122 * ggc-callbacks.c: New file.
15124 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15126 * expr.h: Collapse individual optab and libfunc vars to arrays.
15127 (optab_index, libfunc_index): New enumerations.
15128 (optab_table, libfunc_table): New arrays.
15129 Add accessor macros for both.
15131 * optabs.c (optab_table, libfunc_table): New.
15132 Delete declarations for individual optab and libfunc vars.
15134 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
15136 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
15138 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15140 * Makefile.in (GGC, GGC_LIB): New.
15141 (HOST_RTL): Include ggc-none.o.
15142 (ggc-simple.o): New target.
15143 (ggc-none.o): Likewise.
15144 * tree.h (tree_common): Add gc_mark.
15145 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
15146 (struct rtvec_def): Add gc_mark.
15147 * emit-rtl.c (global_rtl): Update static initializers to contain
15148 enough initializers.
15149 * ggc.h, ggc-none.c, ggc-simple.c: New files.
15150 * toplev.c (gc_time): New variable.
15151 (all_time): New variable.
15152 (compile_file): Print gc time.
15153 (print_time): Calculate percentage of the whole.
15155 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15157 Change obstack memory management and varasm constant pool handling so
15158 that nested functions are treated like any other functions.
15159 * function.c (init_machine_status): New variable.
15160 (push_function_context_to): Set contains_functions for the outer
15161 function. Don't call save_varasm_status.
15162 (pop_function_context_from): Don't call restore_varasm_status. Don't
15163 set current_function_contains_functions.
15164 (prepare_function_start): Call init_varasm_status rather than
15165 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
15167 * function.h (struct function) Add field varasm. Delete fields
15168 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
15169 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
15170 (init_machine_status): Declare.
15171 (save_varasm_status, restore_varasm_status): Delete declarations.
15172 (save_tree_status, restore_tree_status): Delete last argument.
15173 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
15174 code. All callers changed.
15175 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
15176 save_constants_in_decl_trees, restore_constants, save_constants,
15177 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
15179 (inlining): New variable.
15180 (reg_map, label_map, insn_map, orig_asm_operands_vector,
15181 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
15183 (save_for_inline_nocopy): Don't save constants.
15184 Don't set inl_emit field in current_function.
15185 (expand_inline_function): Use emit field, not inl_emit, of the inlined
15186 function. Set new variable inlining before
15187 calling copy_rtx_and_substitute.
15188 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
15189 constant pool references if inlining is nonzero.
15190 Delete ADDRESS and (most of the) CONST cases.
15191 (output_inline_function): Save and restore current_function/
15192 current_function_decl. Delete restore_constants code. Don't call
15193 init_const_rtx_hash_table.
15194 * output.h (init_const_rtx_hash_table): Don't declare.
15195 * rtl.h (struct function): Declare.
15196 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
15197 * toplev.c (rest_of_compilation): Don't treat nested functions or
15198 functions containing them specially. Delete all code to deal with
15199 save_for_inline_copying.
15200 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
15201 inline_obstacks): Delete variables.
15202 (save_tree_status): Lose arg CONTEXT. All callers changed.
15203 Simply allocate a new function_maybepermanent_obstack for the new
15204 function, delete all the special cases.
15205 Don't save inline_obstacks.
15206 (restore_tree_status): Lose arg CONTEXT. All callers changed.
15207 Delete special handling for function_maybepermanent_obstack; simply
15209 Don't restore inline_obstacks.
15210 (permanent_allocation): Delete code that frees inline_obstacks.
15211 (print_inline_obstack_statistics): Delete function.
15212 (dump_tree_statistics): Don't call it.
15213 * varasm.c (struct varasm_status): New.
15214 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
15215 last_pool, pool_offset, const_double_chain): Delete global
15216 variables, replace with accessor macros.
15217 (immed_double_const): Don't walk const_double_chain outside a
15218 function, but don't treat nested functions specially anymore.
15219 (immed_real_const_1): Likewise.
15220 (clear_const_double_mem): Don't treat nested functions specially.
15221 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
15222 (save_varasm_status, restore_varasm_status): Delete functions.
15223 (init_varasm_status): New function.
15224 (force_const_mem): Don't treat nested functions specially.
15225 (find_pool_constant): Accept new arg F, search for constants in
15226 that function's pool rather than the current one. All callers
15228 (get_pool_constant_for_function, get_pool_mode_for_function): New
15231 * i386.c (init_386_machine_status): New function, mostly from
15232 clear_386_stack_locals.
15233 (struct machine_functions): Rename element names to avoid name
15235 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
15236 macros, replacing global variables.
15237 (clear_386_stack_locals, save_386_machine_status,
15238 restore_386_machine_status): Delete functions.
15239 (override_options): Initialize init_machine_status.
15240 * i386.h (INIT_EXPANDERS): Delete macro.
15241 (save_386_machine_status, restore_386_machine_status,
15242 clear_386_stack_locals): Delete declarations.
15244 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15246 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
15247 (doloop_begin): Simplify pattern and use emit_jump_insn.
15248 (doloop_end): Simplify pattern, switch operand order,
15249 and use emit_jump_insn.
15251 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15253 * function.h (struct function): Add new element LANGUAGE.
15254 (save_lang_status): Declare new variable.
15255 (restore_lang_status): Likewise.
15256 * function.c (save_lang_status): Define.
15257 (restore_lang_status): Likewise.
15258 (push_function_context_to): Call language-specific save function.
15259 (pop_function_context_from): Call language-specific restore function.
15261 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15263 * i386.md (movsf_1): Check REG_P before use of REGNO.
15264 (movdf_1): Likewise.
15265 (movxf_1): Likewise.
15266 (extendsfdf2): Likewise.
15267 (extendsfxf2): Likewise.
15268 (extenddfxf2): Likewise.
15270 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15272 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
15273 constants into memory.
15274 (c4x_shiftable_constant): New function.
15275 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
15276 (c4x_shiftable_constant): Declare.
15277 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
15278 ashlqi3_noclobber): Add new patterns and associated splitters.
15280 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
15282 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
15283 * dwarf2out.c (dwarf2out_frame_init): Likewise.
15284 * final.c (shorten_branches): Likewise.
15285 * global.c (global_alloc): Likewise.
15286 * haifa-sched.c (build_control_flow): Likewise.
15287 * stmt.c (check_for_full_enumeration_handling): Likewise.
15288 (estimate_case_costs): Likewise.
15290 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
15292 * rtl.h (RTL_CHECKC2): Fix typo in last change.
15294 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
15296 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
15297 (recompute_reg_usage): Likewise.
15298 * rtlanal.c (find_regno_fusage): Likewise.
15300 * rtl.c (rtl_check_failed_code1): New function.
15301 (rtl_check_failed_code2): New.
15302 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
15303 (RTL_CHECKC1, RTL_CHECKC2): New.
15304 (XC*): New accessor macros.
15305 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
15306 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
15307 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
15308 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
15309 (TRAP_*, RANGE_INFO_*): Likewise.
15311 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15313 * Makefile.in (tlink.o): Don't depend on toplev.h.
15315 * collect2.c (c_file, o_file, export_file, import_file, ldout,
15316 output_file, nm_file_name, ldd_file_name, strip_file_name,
15317 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
15318 add_prefix, prefix_from_env, prefix_from_string, do_wait,
15319 fork_execute, maybe_unlink, add_to_list,
15320 extract_init_priority, write_list, dump_list,
15321 dump_prefix_list, write_list_with_asm, write_c_file,
15322 write_c_file_stat, write_c_file_glob, scan_prog_file,
15323 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
15324 ignore_library, extract_string, notice, dump_file, target_machine,
15325 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
15326 read_file, print_load_command): Constify a char*.
15327 (fdopen, error, fatal, fatal_perror): Don't prototype.
15328 (my_strerror): Remove. All callers use xstrerror instead.
15329 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
15330 (main): Add prototype. Constify lots of char* ptrs. Change calls
15331 to xcalloc/strcpy/strcat/... to one call to concat.
15332 (main, scan_prog_file, scan_libraries): Use an intermediate
15333 `const char **' to build an argv array.
15334 (mapfile, libselect, libcompare, locatelib): Add prototypes.
15336 * collect2.h (collect_execute, collect_wait, dump_file,
15337 file_exists): Constify a char*.
15338 (ldout, c_file_name, temporary_obstack, permanent_obstack,
15339 temporary_firstobj, vflag, debug): Add extern declarations.
15340 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
15342 * tlink.c: Don't include toplev.h.
15343 (vflag, debug, ldout, c_file_name, temporary_obstack,
15344 permanent_obstack, temporary_firstobj): Don't declare.
15345 (tlink_execute, frob_extension, symbol_hash_lookup,
15346 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
15347 recompile_files, read_repo_files, demangle_new_symbols,
15348 scan_linker_output): Constify a char*.
15349 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
15350 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
15352 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
15354 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
15355 (relative) rather than jsr (absolute) subroutine call insns.
15356 * config/m68k/m68k-coff.h: Ditto.
15358 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
15360 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
15361 now rework these too.
15362 (arm_reorg): If an insn can't reach the end of the current pool,
15363 ensure that we emit that pool before the insn.
15365 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
15367 * tlink.c (scan_linker_output): Skip the initial underscore in
15368 a mangled name if appropriate.
15370 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15372 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
15373 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
15374 error_with_ivar, gen_declarator, create_builtin_decl,
15375 my_build_string, generate_descriptor_table, generate_ivars_list,
15376 generate_dispatch_table, check_protocols, TAG_GETCLASS,
15377 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
15378 dump_base_name, lang_decode_option, build_encode_expr,
15379 start_class, finish_class, encode_pointer, really_start_method,
15380 gen_declaration, dump_interface, handle_class_ref, handle_impent):
15382 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
15383 Add static prototypes.
15384 (build_objc_string_decl, build_selector_reference_decl,
15385 encode_bitfield, build_class_reference_decl): Remove unused
15386 parameter, all callers changed.
15387 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
15388 (objc_printable_name): Likewise. Change second parameter to type int.
15389 (init_objc): Use memcpy, not bcopy, to avoid casts.
15391 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
15393 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
15394 reg notes on a deleted insn.
15395 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
15397 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
15399 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
15401 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15403 * stmt.c (expand_asm_operands): Fix index into inout_mode when
15406 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
15408 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
15409 * tm.texi (MD_ASM_CLOBBERS): Document it.
15411 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
15413 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
15414 * except.c (expand_rethrow): Remove unused variable.
15415 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
15416 * flow.c (replace_insns): Likewise.
15417 (create_edge_list, verify_edge_list): Likewise.
15418 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
15420 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
15421 is special code to run.
15422 (main): Don't define operands to emit_operand.
15423 * genrecog.c (main): Don't emit an empty peephole2_insn function.
15425 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
15427 * alpha/alpha.h (normal_memory_operand): Declare.
15428 (reg_no_subreg_operand): Declare.
15429 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
15431 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
15433 * c-parse.in (compstmt_primary_start): New, broken out of first
15434 part of compstmt handling in primary.
15435 (primary): Use it. Add an error clause.
15436 (compstmt_nostart): Renamed from compstmt; remove all
15437 initial invocations of compstmt_start.
15440 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
15442 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
15445 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
15447 * combine.c (simplify_shift_const): Remove extra semicolon.
15448 * dwarf2out.c (remove_AT): Likewise.
15449 * expmed.c (expand_mult): Likewise.
15450 * gcov.c (create_program_flow_graph): Likewise.
15451 * reorg.c (mostly_true_jump): Likewise.
15453 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
15455 * fold-const.c (fold_range_test): Do not try to fold the range
15456 test if the rhs or lhs has side effects.
15458 * combine.c (simplify_rtx): Recognize another case of a synthesized
15461 * varasm.c (mark_constant_pool): When marking indirect references,
15462 only look at SYMBOL_REFs.
15464 * except.c (expand_fixup_region_end): Do not peek at
15465 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
15467 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
15469 * flags.h: New variables align_loops, align_loops_log,
15470 align_jumps, align_jumps_log, align_labels, align_labels_log,
15471 align_functions, align_functions_log.
15472 * toplev.c: Define them.
15473 (f_options): Handle -falign-* when they have no argument.
15474 (main): Add logic to set variables for -falign-functions,
15475 -falign-jumps, -falign-labels, -falign-loops.
15476 Make it -fsched-verbose=<n> and -finline-limit=<n>.
15477 (display_help): Change help to match options.
15478 * final.c (LABEL_ALIGN): Default to align_labels_log.
15479 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
15480 (LOOP_ALIGN): Default to align_loops_log.
15481 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
15482 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
15483 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
15484 * varasm.c (assemble_start_function): Handle align_functions.
15486 * config/sparc/sparc.h: Don't declare sparc_align_*.
15487 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
15488 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
15490 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
15492 * config/sparc/sparc.c: Delete sparc_align_loops,
15493 sparc_align_jumps, sparc_align_funcs and the corresponding string
15495 (sparc_override_options): Default align_functions on ultrasparc.
15496 Delete -malign-* handling.
15498 * config/mips/mips.c (override_options): On 64-bit targets,
15499 try to align code to 64-bit boundaries.
15500 (print_operand): New substitution, %~,
15501 which aligns labels to align_labels_log.
15502 * config/mips/mips.md (div_trap_normal): Use %~.
15503 (div_trap_mips16): Likewise.
15505 (absdi2): Likewise.
15506 (ffssi2): Likewise.
15507 (ffsdi2): Likewise.
15508 (ashldi3_internal): Likewise.
15509 (ashrdi3_internal): Likewise.
15510 (lshrdi3_internal): Likewise.
15511 (casesi_internal): Likewise.
15513 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
15515 Merge new ia32 backend from the branch!
15517 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
15518 See ChangeLog.P2 on new_ia32_branch for details.
15520 * rtl.h (stack_regs_mentioned_p): Delete prototype.
15521 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
15522 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
15523 * i386/gas.h (ASM_FILE_START): Define.
15524 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
15525 for name change of ix86_valid_decl_attribute_p.
15526 (i386_pe_valid_type_attribute_p): Similarly.
15528 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
15530 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
15531 to step through CC modes.
15533 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15535 * regmove.c (fixup_match_1): Don't move INSN in front of P if
15536 it would end up in the shadow of a live flags regsiter.
15538 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15540 * reload1.c: Fix many indentation problems.
15541 * reload.c: Likewise.
15543 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
15545 * alias.c (non_local_reference_p): Constify fmt.
15547 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
15549 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
15551 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
15553 * cse.c (delete_trivially_dead_insns): Do not delete stores to
15554 the internal_arg_pointer.
15556 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
15558 Merge peephole2 from new_ia32_branch:
15559 * Makefile.in (STAGESTUFF): Add *.peephole2.
15560 (mostlyclean): Likewise.
15561 (recog.o): Depend on resource.h.
15563 * final.c (peephole): Conditionalize decl on HAVE_peephole.
15564 (final_scan_insn): Likewise for the invocation of peephole.
15565 * genconfig.c (main): Look for peephole and peephole2 patterns.
15566 Emit HAVE_peephole* accordingly.
15567 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
15568 * flags.h (flag_peephole2): Declare.
15569 * toplev.c: New pass peephole2. New flag -fpeephole2.
15571 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
15572 * gencodes.c (main): Likewise.
15573 * genextract.c (main): Likewise.
15574 * genoutput.c (main): Likewise.
15575 * genemit.c (max_operand_1): Look for the max scratch operand.
15576 (gen_rtx_scratch): New.
15577 (gen_exp): Use it, and pass on new arg subroutine_type.
15578 (gen_expand): Take max scratch into account.
15579 (gen_split): Emit peephole2 functions.
15580 (output_peephole2_scratch): New.
15581 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
15582 * genrecog.c (routine_type): Add PEEPHOLE2.
15584 (make_insn_sequence): Match outer parallel for peep2. Discard
15585 top level scratches and dups.
15586 (add_to_sequence): New args insn_type and top. Update all callers.
15587 Handle toplevel peep2 matching insns.
15588 (write_subroutine): Handle peep2.
15589 (write_tree_1): Likewise.
15590 (write_tree): Likewise.
15592 (change_state): New arg afterward. Update all callers.
15593 Handle matching separate insns.
15594 * recog.c (recog_next_insn): New.
15595 (peephole2_optimize): New.
15596 * rtl.def (DEFINE_PEEPHOLE2): New.
15597 * resource.c (find_free_register): New argument last_insn. Use it
15598 to find a register available through the entire span.
15599 * resource.h (find_free_register): Update prototype.
15601 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
15603 * i386.c (output_strlen_unroll): Don't write xops[7]
15604 label if it wasn't set.
15606 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
15608 * cpplib.c (struct directive): Const-ify name pointer and
15609 function pointer prototype.
15610 (validate_else, do_define, do_line, do_include, do_undef,
15611 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
15612 do_elif, do_endif, do_sccs, do_assert, do_unassert,
15613 do_warning): Const-ify second arg.
15614 (directive_table): Mark const. Reorder entries by frequency
15615 of usage, record statistics.
15617 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
15619 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
15620 bounds- check RTL accesses if --enable-checking.
15621 (RTVEC_ELT): Bounds check if --enable-checking.
15622 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
15623 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
15624 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
15626 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
15627 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
15629 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
15630 (NOTE_SOURCE_FILE): Use X0STR.
15631 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
15632 MEM_ALIAS_SET): Use X0INT.
15633 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
15634 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
15636 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
15637 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
15638 (rtl_check_failed_bounds, rtl_check_failed_type1,
15639 rtl_check_failed_type2, rtvec_check_failed_bounds): New
15641 (fancy_abort): Fix comment.
15643 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
15644 (cse_insn): Decrement LABEL_NUSES for jump target before
15645 deleting jump insn.
15646 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
15647 * final.c (alter_subreg): Compute regno before changing x to
15648 REG; set REGNO(x) after changing it.
15649 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
15650 notes containing CONST_INTs.
15651 (delete_eh_regions): Use NOTE_EH_HANDLER.
15652 * function.c (put_reg_into_stack): Make reg a MEM before
15654 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
15656 (gen_mem_addressof): Make reg a MEM before initializing it.
15657 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
15659 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
15660 deleting an insn, not after.
15661 (block_alloc): Only look at PATTERN(insn) if we have to, and
15662 only if it's format class 'i'.
15663 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
15664 CONST_INT before using its INTVAL.
15665 * print-rtl.c (print_rtx): Use X0STR.
15666 * regmove.c (fixup_match_1): Don't look at PATTERN of
15667 non-class-'i' insn chain elements.
15668 * reload.c (loc_mentioned_in_p): Take address of
15669 in->fld[1].rtx directly.
15670 * reload1.c (reload): Change reg to a MEM before initializing
15672 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
15674 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
15676 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
15678 * config/mips/mips.c (machine_dependent_reorg): Force a
15679 barrier to output the local constant pool if a barrier hasn't
15680 been found at a natural point in the instruction stream.
15682 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15684 * c-parse.in (language_string): Constify.
15686 * dwarf2out.c (language_string): Remove declaration.
15688 * dwarfout.c (language_string): Likewise.
15690 * toplev.c (language_string, init_parse, finish_parse): Likewise.
15692 * tree.h (language_string, init_parse, finish_parse): Declare.
15694 * i386/sun386.h (language_string): Remove declaration.
15696 * mips.h (language_string): Likewise.
15698 * nextstep.h (language_string): Likewise.
15700 * nextstep21.h (language_string): Likewise.
15702 * rs6000.c (language_string): Likewise.
15704 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15706 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
15707 (getpwd.o): Remove target.
15709 * getpwd.c: Delete file. Its in libiberty now.
15711 * dbxout.c (getpwd): Don't prototype.
15712 * dwarf2out.c (getpwd): Likewise
15713 * dwarfout.c (getpwd): Likewise
15714 * final.c (getpwd): Likewise.
15715 * protoize.c (getpwd): Likewise.
15717 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15719 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
15721 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
15723 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
15724 mark_set_resources.
15726 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
15728 * fixinc/Makefile.in (subdir): New.
15729 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
15732 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
15734 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
15735 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
15738 * invoke.texi: Fix typo.
15740 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
15741 changed. Handle autoincrement addressing modes.
15743 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
15744 just like we would the virtual incoming args register when
15747 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
15749 * rs6000.h (ASM_FILE_START): Specify complete filename, including
15750 path, in .file directive.
15752 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
15754 * gcc.texi (External Bugs): Remove obsolete note about Perl on
15757 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
15759 * stdbool.h: Make the typedef name _Bool, with bool a #defined
15762 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15764 * tree.c (tree_code_name): Constify a char*.
15766 * tree.h (tree_code_name, decl_printable_name): Likewise.
15768 * function.h (struct function): Likewise.
15770 * toplev.c (decl_name, decl_printable_name): Likewise.
15772 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
15774 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
15775 (init_objc): Remove function pointer cast.
15777 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
15779 * pa.md (interspace_jump): New pattern.
15780 (builtin_longjmp): New expander.
15782 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
15784 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
15785 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
15786 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
15788 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
15790 * jump.c (delete_prior_computation): Also check calls
15791 to constant functions. Don't bother checking for a
15792 REG_UNUSED note before adding it.
15793 (delete_computation): Handle multi-word hard registers
15794 when synthesizing missing REG_DEAD notes for a register
15795 which is both set and used by an insn.
15797 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15799 * loop.c (this_loop_info): New variable.
15800 (loop_has_call, loop_has_volatile, loop_has_tablejump,
15801 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
15803 (prescan_loop, strength_reduce): New argument loop_info. All callers
15805 (scan_loop): New variable loop_info, initialise to address of
15807 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
15808 Delete variable loop_has_multiple_exit targets and replace with
15809 field in this_loop_info.
15810 (find_and_verify_loops): Rename this_loop to this_loop_num.
15811 (strength_reduce): Delete loop_iteration_info. Replace variable
15812 loop_info with function argument of same name.
15813 (insert_bct): Rework test for loop being completely unrolled.
15815 * loop.h (struct loop_info): New fields num, loops_enclosed,
15816 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
15817 has_indirect_jump, and cont. Redefine use of unroll_number.
15818 (loop_unroll_number): Delete.
15820 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
15821 field of loop_info.
15822 (loop_iterations): Delete variable vtop and instead use
15823 loop_info->vtop computed in prescan_loop.
15825 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
15827 * fix-header.c (main): Do not pass a null pointer to strcmp.
15829 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
15831 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
15833 * configure: Rebuilt.
15835 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
15837 * jump.c (jump_optimize_1): Do not delete assignments to
15838 internal_arg_pointer.
15839 * cse.c (delete_trivially_dead_insns): Always consider a set of
15840 the internal_arg_pointer live.
15842 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
15844 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
15845 (update_life_info) [REG_WAS_0]: Search the original insns rather
15846 than the new insns for the note. Fix typos finding note_dest.
15847 If no dest found, discard the note rather than abort.
15848 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
15849 (replace_insns): Remove the old insn list after update_life_info
15852 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
15854 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
15855 sched_analyze_insn.
15856 (sched_analyze_1): Let add_dependence care for not adding dups.
15857 (sched_analyze_2): Likewise.
15858 (add_branch_dependences): Likewise.
15860 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
15862 * i386/winnt.c (export_list): New type.
15863 (exports_head): Rename to
15864 (export_head): this.
15865 (i386_pe_record_exported_symbol): Add is_data flag.
15866 (i386_pe_asm_file_end): Emit directive for exported variables.
15867 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
15869 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
15870 (ASM_DECLARE_OBJECT_NAME): Likewise.
15871 (ASM_DECLARE_FUNCTION_NAME): Likewise.
15872 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
15874 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
15876 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
15878 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
15881 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
15883 * config/openbsd.h: Define SET_ASM_OP.
15884 * tm.texi: cross-reference SET_ASM_OP in the index.
15886 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
15888 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
15889 for a CONST_DOUBLE, at compile time. Initialize rtx_length
15890 and class_narrowest_mode at compile time. Kill init_rtl.
15891 Mark rtx_length, mode_class, mode_size, mode_unit_size,
15892 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
15893 rtx_format as const. Kill all references to EXTRA_CC_MODES or
15895 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
15897 * rtl.h: Declare rtx_length and rtx_format as const.
15898 * machmode.def: Define CC(). Use CC() to define CCmode. If
15899 EXTRA_CC_MODES is defined, expand it here.
15900 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
15901 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
15902 const. Kill all references to EXTRA_CC_MODES.
15904 * toplev.c: Don't prototype or call init_rtl.
15905 * optabs.c: Don't call init_mov_optab.
15906 * genemit.c: Don't generate init_mov_optab. Don't call
15908 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
15910 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
15911 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
15912 genrecog.c: Don't call init_rtl.
15914 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
15915 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
15916 definition of EXTRA_CC_MODES.
15918 * md.texi: Kill ref to EXTRA_CC_NAMES.
15919 * tm.texi: Document new way to define EXTRA_CC_MODES.
15921 * genrecog.c: Do not look up the name of a define_split.
15922 (Unrelated bugfix.)
15924 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
15926 * config/v850/v850.md: Fix typo introduced by previous delta.
15928 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15930 * gcc.c (fatal): Make definition static to match prototype.
15932 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15934 * combine.c (get_last_value): Don't look for earlier sets if the last
15935 known set is somewhere in between the insns being combined.
15937 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
15939 * configure.in: Don't use shell ! to negate exit codes
15940 * configure: Regenerate
15942 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
15944 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
15945 the fact that ALIGN is measured in bits, not bytes.
15947 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
15949 * errors.c: New file; defines functions error, warning, and
15950 fatal, variables have_error and progname.
15951 * errors.h: New file; prototypes and decls for stuff in errors.c.
15953 * Makefile: Add rules to build errors.o and
15954 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
15955 genopinit, genrecog, genextract, genpeep, genattr, and
15956 genoutput with errors.o. Add errors.h to deps of genconfig.o,
15957 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
15958 genpeep.o, genattr.o, and genoutput.o.
15960 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
15961 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
15962 define or prototype fatal. Set progname at beginning of main.
15963 * genoutput.c: Likewise, and don't define or prototype error
15966 * c-typeck.c (c_expand_start_case): Return immediately if exp
15968 * fold-const.c (operand_equal_p): Return immediately if arg1
15969 or arg0 are ERROR_MARKs.
15970 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
15971 fields of type ERROR_MARK when calculating if the record can
15974 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
15975 with much help from Jeffrey A Law and Richard Henderson
15977 * i386.md: In the 6 insns which call output_fix_trunc,
15978 earlyclobber operands[0].
15980 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
15982 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
15983 creating new registers.
15985 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
15987 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
15988 i386_reg_alloc_order, i386_regparm_string,
15989 i386_align_loops_string, i386_align_jumps_string,
15990 i386_align_funcs_string, i386_preferred_stack_boundary_string,
15991 and i386_branch_cost_string as type "const char *".
15992 * i386.c: Define all above strings as type "const char *".
15994 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
15996 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
15997 when emitting alignment padding. Emit padding byte of 0 instead of 4.
15999 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
16001 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
16002 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
16004 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
16006 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
16007 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
16008 (dwarf2out_line, dwarf2out_finish): Likewise.
16009 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
16011 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16013 * tree.c (lang_unsave_expr_now) : Correct return type.
16014 * tree.h (lang_unsave_expr_now) : Same.
16016 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
16018 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
16019 instead of duplicating code.
16021 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16023 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
16025 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
16027 * tree.h: fancy_abort always takes three args.
16028 * resource.c: Move include of system.h before toplev.h.
16030 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
16032 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
16035 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
16037 * system.h: Don't redefine abort or trim_filename.
16038 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
16039 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
16040 whether or not __FUNCTION__ is available.
16041 * tree.h: Duplicate rtl.h's definition of abort, for files
16042 that don't include rtl.h. Delete all code to perform type
16043 checking with a compiler other than GCC.
16044 * varray.h: Delete all code to perform type checking with a
16045 compiler other than GCC. Make VARRAY_CHECK() always evaluate
16046 its arguments exactly once, using a statement expression.
16047 Adjust the VARRAY_<type> accessor macros to match.
16048 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
16049 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
16050 caller's location. Define fatal_insn and fatal_insn_not_found
16051 as macros that use _fatal_insn and _fatal_insn_not_found.
16052 (fancy_abort, trim_filename): Kill prototypes.
16054 * rtl.c (trim_filename): Move here from toplev.c.
16055 (fancy_abort): New function.
16056 (DIR_SEPARATOR): Provide default definition.
16057 * tree.c (tree_check_failed, tree_class_check_failed): Go
16058 through fancy_abort.
16059 (tree_check, tree_class_check, cst_or_constructor_check,
16060 expr_check): Delete.
16061 * varray.c (varray_check_failed): New function.
16062 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
16063 _fatal_insn and _fatal_insn_not_found. Go through
16065 (trim_filename, fancy_abort): Delete.
16067 * builtins.c (expand_builtin_args_info): Report ICE with abort.
16068 * except.c (start_catch_handler): Report ICE with error/abort
16070 * final.c (output_operand_lossage): Likewise.
16071 * flow.c (verify_flow_info): Likewise.
16073 * gcc.c: Prototype fatal.
16074 * gengenrtl.c: Undef abort after including rtl.h not system.h.
16075 * genattr.c, genattrtab.c, genemit.c, genextract.c,
16076 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
16077 Don't define fancy_abort.
16079 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
16081 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
16084 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
16086 * m88k.h (VERSION_INFO2): Kill.
16087 (VERSION_STRING): Kill.
16089 (VERSION_INFO1): Tidy.
16090 (TARGET_VERSION): Update.
16091 * m88k/dgux.h (VERSION_INFO2): Kill.
16092 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
16093 * m88k/luna.h (VERSION_INFO1): Tidy.
16094 * m88k/sysv4.h (VERSION_INFO1): Likewise.
16095 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
16096 (output_file_start): Adjust for death of VERSION_STRING.
16098 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
16100 * cpplib.c (detect_if_not_defined): New function.
16101 (do_if): Use it to detect potential once-only headers.
16103 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
16105 * c-common.c (combine_strings): Always set TREE_CONSTANT.
16107 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16109 * combine.c (nonzero_bits) : Allow single-ly set registers to be
16110 anywere in the function only if they are pseudos and set before
16111 being used (not live at the start of the function).
16112 (num_sign_bit_copies) : Same.
16113 (get_last_value_validate) : Same.
16114 (get_last_value) : Same.
16116 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
16118 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
16119 where N and M are constant and N is an integer multiple of M.
16121 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16123 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
16124 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
16125 sbitmap_union_of_preds): Add prototypes.
16126 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
16127 the intersection of successors with the new flow graph structures.
16128 (sbitmap_intersection_of_preds): New function to compute the
16129 intersection of predecessors with the new flow graph structures.
16130 (sbitmap_union_of_succs): New function to compute the union of
16131 successors with the new flow graph structures.
16132 (sbitmap_union_of_preds): New function to compute the union of
16133 predecessors with the new flow graph structures.
16134 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
16135 (expr_reaches_here_p): Use edge and basic_block structures instead
16136 of s_preds and s_succs.
16137 (compute_cprop_avinout): Use new sbitmap routines.
16138 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
16139 of s_preds and s_succs.
16140 * flow.c (compute_flow_dominators): Compute dominators using
16141 edges and basic blocks instead of s_preds and s_succs.
16143 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16145 * lists.c (unused_insn_list, unused_expr_list): New file for
16146 maintaining various types of lists. New statics for maintaining a
16147 cache of available INSN_LIST and EXPR_LIST nodes.
16148 (free_list): Static function for freeing a list of INSN/EXPR nodes.
16149 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
16150 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
16151 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
16152 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
16153 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
16154 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
16155 (free_INSN_LIST_node): Free an individual INSN_LIST node.
16156 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
16157 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
16158 (remove_dependence, free_pending_lists): Use new global routines.
16159 (flush_pending_lists, sched_analyze_insn): Use new global routines.
16160 (sched_analyze, compute_block_backward_dependences): Use new routines.
16161 (sched_analyze_1, sched_analyze_2): Use new routines.
16162 (schedule_insns): Use new global routines.
16163 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
16165 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
16166 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
16168 * toplev.c (rest_of_compilation): Initialize node cache.
16169 * Makefile.in (OBJS): Add lists.o to list of object files.
16170 (lists.o): Add dependancies.
16172 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
16174 * config/v850/v850.md: Fix compile time warning messages.
16175 * config/v850/v850.c: Fix compile time warning messages.
16176 * config/v850/v850.h: Fix compile time warning messages.
16178 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16180 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
16181 Remove unused prototype for `init_lengths'.
16183 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16185 * calls.c (emit_call_1): Mark parameter `stack_size' with
16187 (expand_call): Initialize variable `insn'.
16188 (emit_library_call): Likewise for variable `high_to_save'.
16189 (emit_library_call_value): Likewise.
16190 (store_one_arg): Likewise for variables `lower_bound' and
16193 * combine.c (try_combine): Likewise for variables `i2_code_number'
16194 and `other_code_number'.
16195 (find_split_point): Likewise for variables `pos', `unsignedp' and
16197 (simplify_if_then_else): Likewise for variables `op' and `c1'.
16198 (simplify_and_const_int): Remove unused variable `width'.
16199 (merge_outer_ops): Likewise.
16201 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
16202 HOST_WIDE_INT' when comparing against one.
16203 (simplify_relational_operation): Likewise.
16204 (cse_insn): Initialize variables `src_eqv_volatile',
16205 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
16207 * final.c (init_final): Constify parameter `filename'.
16208 (final_start_function): Mark parameter `optimize' with
16210 (profile_function): Likewise for parameters `first' and `optimize'.
16211 (output_source_line): Likewise for parameter `file'.
16213 * integrate.c (subst_constants): Cast a value to `size_t' when
16214 comparing against one.
16215 (mark_stores): Initialize variable `mode'. Cast a value to
16216 `size_t' when comparing against one.
16218 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
16220 * loop.c (move_movables): Initialize variable `first'.
16221 (strength_reduce): Likewise for variable `increment'.
16222 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
16223 value to `size_t' when comparing against one.
16224 (load_mems): Initialize variable `end_label'.
16226 * output.h (init_final): Constify parameter.
16228 * reload.c (decompose): Initialize variable `base'.
16230 * reload1.c (reload): Likewise for variable `is_scalar'.
16231 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
16232 (choose_reload_regs): Initialize variable `mode'.
16233 (emit_reload_insns): Likewise for variable `store_insn'.
16234 (reload_cse_noop_set_p): Mark parameter `insn' with
16236 (reload_combine): Initialize variable `set'.
16238 * unroll.c (unroll_loop): Likewise for variable `local_label'.
16239 (copy_loop_body): Cast a value to `size_t' when comparing against
16242 * varasm.c (assemble_variable): Initialize variable `size_tree'.
16243 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
16244 (remove_from_pending_weak_list): Mark parameter `name' with
16247 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16249 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
16252 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
16254 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
16255 (ASM_DECLARE_FUNCTION_NAME): Define.
16256 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
16257 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
16258 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
16259 not already defined.
16261 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16263 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
16264 of n_popped when call/call_value are not defined.
16266 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
16268 * tm.texi: GNU CC -> GCC conversion.
16269 (CC1_SPEC): Indicate it is used for all language front ends.
16271 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
16273 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
16274 NOTE_INSN_EH_REGION_END correctly.
16276 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16277 Jeff Law <law@cygnus.com>
16279 * loop.c (strength_reduce): Automatically unroll loops if the
16280 unrolled loop size is smaller than the rolled loop size.
16282 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
16283 and delete comment that code should be rewritten.
16285 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
16287 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
16290 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
16292 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
16294 * fixinc/mkfixinc.sh: Don't fix uwin headers.
16295 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
16296 (LINK_SPEC): Add -u _main when building executables.
16297 (ASM_DECLARE_FUNCTION): Update from Cygwin.
16298 (ASM_FILE_END): Use the default for ix86-pe.
16299 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
16301 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
16303 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
16304 and ASM_CLOSE_PAREN are empty strings.
16306 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
16307 Geoffrey Keating <geoffk@cygnus.com>
16309 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
16310 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
16311 (unprotoize.o): Ditto.
16312 (test-protoize-simple): Don't define STD_PROTO_DIR.
16313 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
16314 changes to make 'test-protoize-simple' pass.
16315 (STD_PROTO_DIR): Remove define.
16316 (STANDARD_EXEC_PREFIX): Supply default define.
16317 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
16318 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
16319 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
16320 (GET_ENV_PATH_LIST): New macro.
16321 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
16322 (do_processing): Initialize default_syscalls_dir using new
16323 macros. Use it to initialize syscalls_absolute_filename.
16325 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
16327 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
16328 B into a register before emit_conditional_move.
16330 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
16332 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
16333 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
16334 multiplicand out of (+ (* a b) (* c d)).
16336 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
16337 Richard Henderson <rth@cygnus.com>
16339 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
16340 (new_insn_dead_notes): Likewise.
16341 (update_n_sets): Likewise.
16342 (update_flow_info): Move to flow.c, renamed to update_life_info;
16343 extend to handle multiple source insns.
16344 * flow.c: Include resource.h
16345 (unlink_insn_chain): New.
16346 (split_hard_reg_notes): New.
16347 (maybe_add_dead_note): New.
16348 (maybe_add_dead_note_use): New.
16349 (find_insn_with_note): New.
16350 (new_insn_dead_notes): New.
16351 (update_n_sets): New.
16352 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
16353 (maybe_remove_dead_notes): New.
16354 (update_life_info): New.
16355 (prepend_reg_notes): New.
16356 (replace_insns): New.
16357 * output.h (update_life_info): Declare.
16358 * recog.c (split_block_insns): Use update_life_info.
16359 * resource.c (find_free_register): Use reg_alloc_order, don't use
16360 fixed regs, make sure the mode is supported, don't use new regs.
16362 * rtl.h (replace_insns): Declare.
16364 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
16366 * expr.c (expand_expr): Cope with COND_EXPRs with one
16367 non-returning branch.
16369 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
16371 * expr.c (store_expr): Always pass down the target, even when not
16374 1999-08-24 Nick Clifton <nickc@cygnus.com>
16376 * configure.in: Define target_cpu_default for v850 targets.
16377 * configure: Regenerate
16379 * config/v850/v850.h (TARGET_CPU_generic): Define.
16380 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
16381 addresses are 4 byte aligned.
16383 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
16386 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16388 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
16389 (main): Add prototypes.
16391 * genattrtab.c (substitute_address, write_const_num_delay_slots,
16392 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
16393 (write_attr_get): Emit prototypes along with function definition.
16394 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
16395 (write_complex_function): Emit static prototype along with
16396 function definition.
16398 * genemit.c (gen_split): Emit prototypes along with function
16401 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
16402 Likewise for predicates and `insn_operand_predicate'.
16403 (process_template): Emit static prototype along with function
16406 * genrecog.c (make_insn_sequence): Constify a char*. Add
16407 prototypes for get_split_*().
16408 (write_subroutine): Emit prototypes along with function
16411 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16413 * gcse.c (find_avail_set): Follow chains of register-register copies.
16414 Use oprs_not_set_p to guarantee that the returned value can be
16416 (cprop_insn): Don't verify the return value of find_avail_set with
16419 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
16420 (cprop_cc0_jump): New function.
16421 (cprop_insn): Break out new function cprop_jump and use it.
16422 Also use cprop_cc0_jump for machines with CC0.
16423 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
16425 * tree.h (current_function_calls_setjmp,
16426 current_function_calls_longjmp): Delete declarations.
16427 * dsp16xx.c: Include "function.h".
16428 * elxsi.c: Likewise.
16429 * gmicro.c: Likewise.
16430 * h8300.c: Likewise.
16431 * i370.c: Likewise.
16432 * m32r.c: Likewise.
16433 * mn10200.c: Likewise.
16434 * mn10300.c: Likewise.
16435 * ns32k.c: Likewise.
16436 * spur.c: Likewise.
16437 * v850.c: Likewise.
16439 * rtl.h (rtx_equal_function_value_matters): Declare.
16440 * toplev.c (rtx_equal_function_value_matters): Don't declare.
16442 * function.c: Likewise.
16443 * emit-rtl.c: Likewise.
16445 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
16447 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
16450 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16452 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
16455 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
16457 * cpp.texi: Add a node documenting macro varargs (copied
16460 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
16462 * cppspec.c: Put a null pointer at the end of the new argv.
16464 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
16466 * configure.in: Remove code to select/de-select the haifa
16467 scheduler. Every scheduled port gets haifa now.
16468 * configure: Rebuilt.
16469 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
16471 * Makefile.in: Corresponding changes.
16473 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16475 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
16476 All callers changed.
16477 (prepare_float_lib_cmp): Likewise.
16478 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
16479 * expr.h (emit_float_lib_cmp): Delete declaration.
16480 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
16481 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
16482 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
16484 (cmptf): Now conditional on TARGET_HARD_QUAD.
16486 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
16488 * resource.c (mark_target_live_regs): Use
16489 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
16491 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16493 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
16495 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
16497 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
16499 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16501 * rtl.h (rtx_format): Constify a char*.
16503 * rtl.c (rtx_format): Likewise.
16504 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
16505 (init_rtl): Use accessor macro, not `rtx_format'.
16507 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
16510 * caller-save.c (mark_referenced_regs): Likewise.
16512 * combine.c (subst, make_compound_operation, known_cond,
16513 gen_rtx_combine, update_table_tick, get_last_value_validate,
16514 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
16516 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
16517 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
16518 count_reg_usage): Likewise.
16520 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
16523 * final.c (leaf_renumber_regs_insn): Likewise.
16525 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
16526 dump_edge_info, count_reg_references): Likewise.
16528 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
16529 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
16532 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
16533 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
16534 add_label_notes): Likewise.
16536 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
16537 clear_struct_flag, count_sub_rtxs, count_alternatives,
16538 compares_alternatives_p, contained_in_p, walk_attr_value,
16539 write_expr_attr_cache): Likewise.
16541 * genconfig.c (walk_insn_part): Likewise.
16543 * genemit.c (max_operand_1, gen_exp): Likewise.
16545 * genextract.c (walk_rtx): Likewise.
16547 * genflags.c (num_operands): Likewise.
16549 * genoutput.c (scan_operands): Likewise.
16551 * genpeep.c (match_rtx): Likewise.
16553 * genrecog.c (add_to_sequence): Likewise.
16555 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
16558 * integrate.c (save_constants, copy_for_inline,
16559 copy_rtx_and_substitute, subst_constants, restore_constants):
16562 * jump.c (mark_jump_label, invert_exp, redirect_exp,
16563 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
16565 * local-alloc.c (contains_replace_regs, memref_referenced_p):
16568 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
16569 add_label_notes, replace_call_address, count_nonfixed_reads,
16570 invariant_p, find_single_use_in_loop, find_mem_givs,
16571 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
16574 * print-rtl.c (reg_names, print_rtx): Likewise.
16576 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
16578 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
16579 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
16580 print_blocks): Likewise.
16582 * regclass.c (fix_register, record_address_regs,
16583 reg_scan_mark_refs): Likewise.
16585 * regmove.c (stable_but_for_p): Likewise.
16587 * reload.c (loc_mentioned_in_p, operands_match_p,
16588 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
16589 copy_replacements, refers_to_regno_for_reload_p,
16590 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
16591 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
16594 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
16595 delete_address_reloads_1, count_occurrences,
16596 reload_cse_mem_conflict_p, reload_combine_note_use,
16597 add_auto_inc_notes): Likewise.
16599 * resource.c (mark_referenced_resources, mark_set_resources):
16602 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
16603 reg_mentioned_p, regs_set_between_p, modified_between_p,
16604 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
16605 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
16606 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
16607 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
16609 * sched.c (sched_analyze_2, attach_deaths): Likewise.
16611 * stupid.c (stupid_mark_refs): Likewise.
16613 * unroll.c (remap_split_bivs): Likewise.
16615 * varasm.c (mark_constants): Likewise.
16617 * a29k/a29k.c (uses_local_reg_p): Likewise.
16619 * alpha/alpha.c (summarize_insn): Likewise.
16621 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
16622 eliminate_lr2ip): Likewise.
16624 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
16626 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
16627 reg_mentioned_in_mem): Likewise.
16629 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
16630 symbolic_reference_mentioned_p): Likewise.
16632 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
16634 * sh/sh.c (regs_used, mark_use): Likewise.
16636 * vax/vax.c (vax_rtx_cost): Likewise.
16638 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16640 * machmode.h (mode_name): Constify a char*.
16642 * rtl.c (mode_name): Likewise.
16644 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
16646 * optabs.c (init_libfuncs): Constify a char*.
16648 * print-tree.c (mode_name): Remove redundant declaration.
16649 (print_node): Use accessor macro, not `mode_name'.
16651 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
16653 (new_spill_reg): Constify a char*.
16655 * tree.c (mode_name): Remove redundant declaration.
16657 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16659 * rtl.c (rtx_name): Constify a char*.
16661 * rtl.h (rtx_name, fix_sched_param): Likewise.
16663 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
16664 (mypr): Use accessor macro, not `rtx_name'.
16666 * genemit.c (print_code): Constify a char*.
16668 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
16670 * genpeep.c (print_code): Constify a char*.
16672 * genrecog.c (print_code): Likewise.
16674 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
16675 end_bb): Add static prototype.
16676 (draw_edge): Constify a char*.
16677 (end_bb): Remove unused parameter.
16679 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
16680 print_block_visualization): Constify a char*.
16682 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
16684 * c-common.c (c_get_alias_set): Update comment.
16686 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
16688 * linux.h (LIB_SPEC): Added.
16690 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16692 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
16694 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
16696 * tree.c (expr_check): Fix typo in last change.
16698 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
16700 * rtl.def (NOTE): Change format to "iuu0n".
16701 (ADDR_DIFF_VEC): Change format to "eEee0".
16702 (ADDRESSOF): Change format to "eit".
16704 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
16705 (RTVEC_ELT): Change to match.
16706 (XVECEXP): Use XVEC and RTVEC_ELT.
16707 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
16708 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
16709 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
16710 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
16711 TRAP_CONDITION, TRAP_CODE): Use XEXP.
16712 (INTVAL): Use XWINT.
16713 (ADDRESSOF_DECL): Use XTREE.
16714 (SET_ADDRESSOF_DECL): Delete.
16715 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
16716 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
16717 ifdefed out since 2.6 at least.
16718 (gen_rtvec_vv): Delete prototype.
16720 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
16722 (copy_most_rtx): Handle 't' format letter.
16723 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
16724 (gen_rtvec_vv): Delete function. All callers changed to use
16725 gen_rtvec_v instead.
16726 * print-rtl.c (print_rtx): Move special casing of NOTEs to
16727 the '0' format letter.
16729 * function.c (gen_mem_addressof): Don't use
16730 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
16732 * integrate.c (copy_rtx_and_substitute): Likewise.
16733 Copy 't' slots with XTREE.
16734 (subst_constants): Treat 't' slots like '[swi]' slots.
16735 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
16736 * jump.c (rtx_equal_for_thread_p): Likewise.
16737 * rtlanal.c (rtx_equal_p): Likewise.
16738 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
16739 only four arguments.
16740 * gengenrtl.c (type_from_format): Provide correct types for
16744 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
16745 If a recent gcc is in use (always in stage2 and beyond), use
16746 statement expressions, so we don't make a function call unless
16747 the check fails. Evaluate arguments exactly once.
16748 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
16749 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
16751 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
16752 they evaluate their arguments exactly once, irrespective of
16753 the compiler in use.
16755 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
16756 is used by the currently-enabled check macros. This is:
16757 (tree_check_failed, tree_class_check_failed): For gcc.
16758 (tree_check, tree_class_check, cst_or_constructor_check,
16759 expr_check): For other compilers.
16761 * gencheck.c: Do not define any *_CHECK1 macros.
16763 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
16764 Mark Mitchell <mark@codesourcery.com>
16766 * c-common.c (c_get_alias_set): Fix support for poitners and
16769 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
16771 * alias.c: Include tree.h.
16772 (nonlocal_reference_p, mark_constant_function): New functions.
16773 * flow.c (life_analysis): Call mark_constant_function.
16774 * rtl.h (mark_constant_function): Declare it.
16776 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
16778 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
16779 unrecognisable switches.
16781 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16783 * loop.c (recombine_givs): Set ix field after sorting.
16784 (recombine_givs): Remove bogus index / giv lockstep looping.
16786 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16788 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
16790 (emit_store_flag_force): Use do_compare_rtx_and_jump.
16791 (do_cmp_and_jump): Formatting fixes.
16792 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
16793 do_compare_rtx_and_jump instead of compare_from_rtx.
16794 (do_compare_rtx_and_jump): New function; mostly copied from
16796 (do_jump_for_compare): Delete.
16797 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
16799 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
16800 of compare/do_jump_for_compare pairs.
16801 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
16802 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
16803 compare_from_rtx/do_jump_for_compare pairs.
16804 (do_jump_by_parts_equality): Likewise.
16805 (do_jump_by_parts_equality_rtx): Likewise.
16806 * expr.h (do_compare_rtx_and_jump): Declare.
16807 * optabs.c (prepare_cmp_insn): New function, contains most of the code
16808 that used to be in emit_cmp_insn.
16809 (cmp_available_p): New function.
16810 (prepare_operand): New function.
16811 (emit_cmp_and_jump_insn_1): New function, contains some code that used
16812 to be in emit_cmp_insn.
16813 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
16814 parameters to be pointers; don't emit final compare but modify some of
16815 the values pointed to by the args so the caller can perform the
16816 correct comparison.
16817 (expand_binop): Call emit_store_flag_force with signed forms of
16819 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
16820 emit_jump_insn pair.
16821 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
16822 emit_cmp_and_jump_insn_1. Call emit_queue.
16823 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
16825 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
16826 jump sets cc0 before deleting it.
16827 * integrate.c (expand_inline_function): Likewise.
16828 * unroll.c (unroll_loop): Similar changes in several places.
16829 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
16830 before deleting it.
16832 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16834 * Makefile.in (insn-recog.o): Update dependencies.
16835 * genrecog.c (main): Make generated file include "function.h".
16837 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
16839 * cse.c (cse_insn): Call never_reached_warning when a jump is
16840 changed to be unconditional.
16841 * flags.h: Declare warn_notreached.
16842 * flow.c (delete_block): Call never_reached_warning when
16843 a block is deleted.
16844 * jump.c (delete_barrier_successors): Call never_reached_warning
16845 when we delete everything after a BARRIER.
16846 (never_reached_warning): New function.
16847 * rtl.h: Declare never_reached_warning.
16848 * toplev.c (warn_notreached): New variable.
16849 (lang_independent_options): Set warn_notreached
16850 when -Wunreachable-code.
16851 (compile_file): We need line numbers for -Wunreachable-code.
16853 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
16855 * haifa-sched.c (insn_unit): Fix typo on out of range test.
16856 * sched.c (insn_unit): Likewise.
16858 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
16860 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
16862 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16864 * flow.c (create_edge_list): Use xmalloc, not malloc.
16866 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
16868 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
16869 C-style comments. Do not lose the character before double slash.
16871 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16873 * basic-block.h (struct edge_list): Stucture to maintain a vector
16875 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
16876 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
16877 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
16878 New function prototypes.
16879 * flow.c (create_edge_list): Function to create an edge list.
16880 (free_edge_list): Discards memory used by an edge list.
16881 (print_edge_list): Debug output showing an edge list.
16882 (verify_edge_list): Internal consistency check for an edge list.
16883 (find_edge_index): Function to find an edge index for a pred and succ.
16885 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
16887 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
16890 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
16892 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
16894 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16896 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
16898 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
16900 * toplev.c (rest_of_compilation): Allow machine dependent
16901 reorganisation pass to place information into the RTL dump
16902 file if it so wishes.
16904 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
16906 * explow.c (hard_function_value): Use VOIDmode instead of
16908 * stmt.c (expand_return): Likewise.
16909 * stor-layout.c (get_best_mode): Likewise.
16911 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
16912 emit call instead of emit_insn call.
16914 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
16916 * configure.in: Handle --disable/enable-win32-registry.
16917 * install.texi: Document --disable/enable-win32-registry.
16918 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
16919 (WIN32_REGISTRY_KEY): New macro.
16920 * prefix.c: Use to enable/disable win32-specific code.
16921 (lookup_key): Use versioned key.
16922 * configure: Regenerate.
16923 * config.in: Likewise.
16925 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
16927 * cpplib.c (read_line_number): New fn, split out of...
16930 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
16932 tree.c (lang_unsave_expr_now) : New.
16933 (unsave_expr_now): Call lang_unsave_expr_now.
16934 tree.h (lang_unsave_expr_now) : New.
16936 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
16938 * toplev.c (flag_new_exceptions): On by default.
16940 1999-08-13 Michael Meissner <meissner@cygnus.com>
16942 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
16944 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
16946 * dwarfout.c (fundamental_type_code): Return FT_boolean for
16947 INTEGER_TYPE with precision==1, it's __java_boolean.
16949 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16951 * global.c (prune_preferences): Move some invariants out of the
16954 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
16956 * configure.in (alpha*-dec-osf*): Add osf5.
16958 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
16960 * configure.in: Rework handling of ARM GNU/Linux slightly.
16961 (arm*-*-linux-gnuoldld): New target.
16962 * configure: Regenerate.
16963 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
16964 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
16965 * config/arm/linux-oldld.h: New file.
16966 * config/arm/linux-elf26.h: Don't include linux-elf.h.
16967 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
16969 * config/arm/linux-elf.h (ASM_SPEC): Define.
16970 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
16971 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
16972 for 26-bit APCS and old linker.
16973 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
16975 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
16976 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
16977 don't define `arm' or `arm_elf'.
16978 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
16979 MULTILIB_DIRNAMES): Define. Fix typo in comment.
16981 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
16983 * rtl.texi: Fix typo.
16985 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
16987 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
16989 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
16991 * extend.texi (C++ Signatures): Remove node.
16992 * invoke.texi: Remove discussion of -fhandle-signatures,
16993 signature, sigof, __signature__, and __sigof__.
16995 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
16997 * Makefile.in (JAVAGC): Removed.
16999 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
17001 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17003 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
17005 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17007 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
17009 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
17010 a register that is already known to be a pointer.
17012 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
17014 * fixinc/inclhack.tpl: Only install assert.h conditionally.
17015 * fixinc/inclhack.sh: Regenerated.
17016 * fixinc/fixincl.sh: Regenerated.
17018 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
17020 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
17021 Fix documentation of -ansi flag to describe its C++ behavior.
17022 Remove bogus reference to GCC 2.9.
17024 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
17026 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
17027 note if it is non-NULL.
17029 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17031 * except.h (eh_nesting_info): Add new structure defintion.
17032 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
17033 (reachable_handlers, update_rethrow_references): Add function
17035 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
17036 a rethrow symbol instead of an integer exception region number.
17037 * flow.c (Make_edges): Use new exception nesting routines to determine
17038 which handlers are reachable from a CALL or asynchronous insn.
17039 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
17041 (delete_eh_regions): Update rethrow labels, and don't delete
17042 regions which are the target of a rethrow.
17043 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
17044 avoid overloading the SYMBOL_REF_USED flag.
17045 (rethrow_symbol_map): Use new rethrow_ref field.
17046 (rethrow_used): Use new rethrow_ref field.
17047 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
17048 of an integer. Fix formatting.
17049 (output_exception_table_entry): Use new rethrow_ref field.
17050 (can_throw): Check for EH_REGION_NOTE before deciding
17051 whether a CALL can throw or not.
17052 (scan_region): Call rethrow_used() instead of accessing data structure.
17053 (update_rethrow_references): New function to make sure only regions
17054 which are still targets of a rethrow are flagged as such.
17055 (process_nestinfo): New static function to initialize a handler
17056 list for a specific region.
17057 (init_eh_nesting_info): New function to allocate and initialize
17058 the list of all EH handlers reachable from all regions.
17059 (reachable_handlers): New function to retrieve the list of handlers
17060 reachable from a specific region and insn.
17061 (free_eh_nesting_info): New function to dispose of a list of
17062 reachable handlers.
17064 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17066 * flow.c (split_edge): Set JUMP_LABEL field.
17067 (commit_one_edge_insertion): Set head correctly for insert_before.
17068 When inserting insns, update insn block numbers if allocated.
17070 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17072 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
17073 retry_incomplete_types): Add static prototype.
17074 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
17075 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
17076 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
17077 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
17078 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
17081 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
17082 dwarf2out_start_source_file, dwarf2out_line): Likewise.
17084 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17086 * output.h (assemble_name): Constify a char*.
17088 * varasm.c (UNIQUE_SECTION, assemble_start_function,
17089 assemble_variable, assemble_name): Likewise.
17091 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
17093 * arm/pe.c (arm_pe_unique_section): Likewise.
17095 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
17097 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
17099 * i386/interix.c (i386_pe_unique_section): Likewise.
17101 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
17103 * i386/winnt.c (i386_pe_unique_section): Likewise.
17105 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
17107 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
17109 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
17111 * pa/pa.c (output_call): Likewise.
17113 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
17115 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
17117 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
17120 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
17123 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
17125 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
17126 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
17128 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
17130 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17132 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
17134 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17136 * tree.h (lang_identify): Constify a char*.
17137 (print_error_function): Add extern prototype. Constify a char*.
17139 * c-lang.c (lang_identify): Constify a char*.
17141 * objc/objc-act.c (lang_identify): Constify a char*.
17143 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17145 * genpeep.c (main): Make generated file include "function.h".
17146 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
17148 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17150 * Makefile.in: Update dependencies.
17151 * alias.c: Include "function.h"
17152 * c-decl.c: Likewise.
17153 * caller-save.c: Likewise.
17154 * calls.c: Likewise.
17155 * combine.c: Likewise.
17157 * explow.c: Likewise.
17158 * final.c: Likewise.
17159 * global.c: Likewise.
17160 * graph.c: Likewise.
17161 * local-alloc.c: Likewise.
17162 * loop.c: Likewise.
17163 * optabs.c: Likewise.
17164 * profile.c: Likewise.
17165 * recog.c: Likewise.
17166 * regclass.c: Likewise.
17167 * regmove.c: Likewise.
17168 * reload.c: Likewise.
17169 * reorg.c: Likewise.
17170 * resource.c: Likewise.
17171 * sched.c: Likewise.
17172 * stupid.c: Likewise.
17173 * config/1750a/1750a.c: Likewise.
17174 * config/a29k/a29k.c: Likewise.
17175 * config/arc/arc.c: Likewise.
17176 * config/arm/arm.c: Likewise.
17177 * config/arm/thumb.c: Likewise.
17178 * config/c4x/c4x.c: Likewise.
17179 * config/clipper/clipper.c: Likewise.
17180 * config/convex/convex.c: Likewise.
17181 * config/fx80/fx80.c: Likewise.
17182 * config/i860/i860.c: Likewise.
17183 * config/m68k/m68k.c: Likewise.
17184 * config/m88k/m88k.c: Likewise.
17185 * config/mips/mips.c: Likewise.
17186 * config/pdp11/pdp11.c: Likewise.
17187 * config/pyr/pyr.c: Likewise.
17188 * config/romp/romp.c: Likewise.
17189 * config/sh/sh.c: Likewise.
17190 * config/tahoe/tahoe.c: Likewise.
17191 * config/vax/vax.c: Likewise.
17192 * config/we32k/we32k.c: Likewise.
17193 * config/sparc/sparc.c: Include "function.h".
17194 (mem_min_alignment): Test current_function rather than
17195 regno_pointer_align.
17196 * config/pa/pa.c: Likewise.
17197 (compute_frame_size): Delete declaration of
17198 current_function_outgoing_args_size.
17199 * config/arc/arc.h (current_function_varargs): Delete declaration.
17200 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
17202 * config/i370/i370.h (current_function_outgoing_args_size): Delete
17204 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
17205 current_function_uses_pic_offset_table.
17206 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
17207 of current_function_returns_pointer.
17208 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17209 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17210 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17211 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17212 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17213 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17214 * config/m88k/m88k.c: Include "function.h"
17215 (call_used_regs, current_function_pretend_args_size,
17216 current_function_outgoing_args_size, frame_pointer_needed): Delete
17218 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
17220 * config/mips/mips.h (current_function_calls_alloca): Delete
17222 * config/mn10200/mn10200.h (current_function_needs_context,
17223 rtx_equal_function_value_matters): Delete declarations.
17224 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
17225 flag_pic): Delete declarations.
17226 * config/pa/pa.h (current_function_pretend_args_size,
17227 current_function_decl): Delete declarations.
17228 * config/pa/som.h (current_function_varargs): Delete declaration.
17229 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
17231 * config/pyr/pyr.h (current_function_pretend_args_size,
17232 current_function_args_size, current_function_calls_alloca): Delete
17234 * config/sh/sh.h (current_function_varargs): Delete declaration.
17235 * config/sparc/sparc.h (current_function_outgoing_args_size,
17236 current_function_calls_alloca, current_function_decl): Delete
17238 * config/spur/spur.h (current_function_pretend_args_size,
17239 current_function_calls_alloca): Delete declarations.
17240 * config/v850/v850.c (current_function_outgoing_args_size): Delete
17242 * config/vax/vms.h (current_function_name): Delete declaration.
17243 * gcse.c: Include "function.h".
17244 (current_function_name, current_function_calls_setjmp): Delete
17246 * haifa-sched.c: Include "function.h".
17247 (forced_labels): Delete declaration.
17248 * jump.c: Likewise.
17249 * reg-stack.c: Likewise.
17250 * reload1.c: Likewise.
17251 * genemit.c (main): Make generated file include function.h.
17252 * genoutput.c (output_prologue): Likewise.
17254 * builtins.c (saveregs_value, apply_args_value): Delete variables.
17255 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
17256 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
17257 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
17258 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
17259 macros for some of them.
17260 (emit_filename, emit_lineno): Delete declarations.
17261 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
17262 regno_pointer_* variables through current_function.
17263 (gen_inline_header_rtx): Delete function.
17264 (save_emit_status): Delete function.
17265 (set_new_last_label_num): New function.
17266 (clear_emit_caches): New function.
17267 (restore_emit_status): Just clear last_labelnum and call
17269 (get_last_insn_anywhere): Variable sequence_stack is now accessed
17270 through macro seq_stack.
17271 (add_insn_after): Likewise.
17272 (add_insn_before): Likewise.
17273 (remove_insn): Likewise.
17274 (pop_topmost_sequence): Likewise.
17275 (in_sequence_p): Likewise.
17276 (start_sequence_for_rtl_expr): Likewise.
17277 (start_sequence): Likewise, and likewise for
17278 sequence_rtl_expr/seq_rtl_expr.
17279 (push_topmost_sequence): Likewise.
17280 (end_sequence): Likewise.
17281 (init_virtual_regs): Now takes a "struct emit_status *" argument.
17282 All callers changed. Store into that pointer instead of globals.
17283 (init_emit): Allocate emit elt of current_function.
17284 Changes for sequence_rtl_expr/sequence_stack renaming.
17285 Call clear_emit_caches instead of doing it in-line.
17286 Access regno_pointer_* variables through current_function.
17287 (init_emit_once) Don't clear sequence_stack.
17289 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
17291 (arg_pointer_save_area): Delete declaration.
17292 (finish_expr_for_function): Renamed from init_queue; no longer static.
17293 (init_expr): Don't call init_queue.
17294 (save_expr_status, restore_expr_status): Delete functions.
17295 (expand_expr): Changes to reflect new layout of struct function.
17296 Don't access current_function_check_memory_usage when current_function
17298 * expr.h (forced_labels, save_expr_regs, saveregs_value,
17299 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
17300 current_function_outgoing_args_size, current_function_arg_offset_rtx,
17301 current_function_uses_const_pool, function_call_count,
17302 current_function_uses_pic_offset_table, nonlocal_labels,
17303 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
17304 current_function_check_memory_usage, nonlocal_goto_handler_slots,
17305 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
17307 (finish_expr_for_function): Declare.
17308 * flags.h (current_function_has_nonlocal_label,
17309 current_function_has_nonlocal_goto, current_function_is_thunk,
17310 current_function_has_computed_jump): Delete declarations.
17311 * flow.c (forced_labels): Delete declaration.
17312 * function.c (current_function_pops_args,
17313 current_function_returns_struct, current_function_returns_pcc_struct,
17314 current_function_needs_context, current_function_calls_setjmp,
17315 current_function_calls_longjmp, current_function_has_nonlocal_label,
17316 current_function_has_nonlocal_goto, current_function_is_thunk,
17317 current_function_has_computed_jump, current_function_calls_alloca,
17318 current_function_contains_functions, current_function_returns_pointer,
17319 current_function_epilogue_delay_list, current_function_args_size,
17320 current_function_pretend_args_size, current_function_arg_offset_rtx,
17321 current_function_outgoing_args_size, current_function_varargs,
17322 current_function_stdarg, current_function_args_info, cleanup_label,
17323 current_function_name, current_function_uses_const_pool,
17324 current_function_instrument_entry_exit, current_function_return_rtx,
17325 current_function_uses_pic_offset_table, nonlocal_labels,
17326 current_function_internal_arg_pointer, current_function_cannot_inline,
17327 current_function_check_memory_usage, function_call_count,
17328 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
17329 nonlocal_goto_stack_level, return_label, save_expr_regs,
17330 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
17331 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
17332 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
17333 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
17334 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
17336 (push_function_context_to): Don't save them. Don't call
17337 save_storage_status, save_emit_status or save_expr_status.
17338 (pop_function_context_from): Don't restore them. Don't call
17339 restore_storage_status or restore_expr_status.
17340 (get_func_frame_size): New function.
17341 (get_frame_size): Use it.
17342 (assign_outer_stack_local): Reflect some member name changes in struct
17344 (put_reg_into_stack): Likewise.
17345 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
17347 (fixup_var_refs): Likewise.
17348 (fix_lexical_addr): Likewise.
17349 (trampoline_address): Likewise.
17350 (prepare_function_start): Clear field inlinable of current_function.
17351 (init_function_for_compilation): New function.
17352 (expand_dummy_function_end): New function.
17353 (expand_function_end): Call finish_expr_for_function.
17354 * function.h (struct emit_status): New; fields moved here from struct
17355 function and from global variables. Add accessor macros for some of
17357 (struct expr_status): Likewise.
17358 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
17359 (struct function): Add fields expr and emit, inlinable, inl_emit,
17360 original_arg_vector, original_decl_initial, inl_last_parm_insn,
17361 inl_max_label_num. Add many comments.
17362 Add accessor macros for all elts of struct function that no longer
17363 have a global variable.
17364 (cleanup_label, return_label, frame_offset, tail_recursion_label,
17365 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
17366 stack_slot_list): Delete declarations.
17367 (get_func_frame_size): Declare.
17368 (save_expr_status, restore_expr_status, save_emit_status,
17369 save_storage_status, restore_storage_status): Delete declarations.
17370 (init_virtual_regs): Declare.
17371 * output.h (current_function_pops_args,
17372 current_function_returns_struct, current_function_returns_pcc_struct,
17373 current_function_needs_context, current_function_calls_setjmp,
17374 current_function_calls_longjmp, current_function_calls_alloca,
17375 current_function_has_nonlocal_label, current_function_varargs,
17376 current_function_has_computed_jump, current_function_returns_pointer,
17377 current_function_contains_functions, current_function_args_size,
17378 current_function_pretend_args_size, current_function_stdarg,
17379 current_function_outgoing_args_size, current_function_args_info,
17380 current_function_name, current_function_return_rtx,
17381 current_function_epilogue_delay_list,
17382 current_function_uses_const_pool, current_function_cannot_inline):
17383 Delete declarations.
17384 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
17385 regno_reg_rtx): Delete declaration.
17386 (REGNO_POINTER_FLAG): Delete macro.
17387 * stmt.c (expand_goto): Changes to reflect that some fields in struct
17388 function were renamed.
17389 * stor-layout.c (save_storage_status, restore_storage_status): Delete
17391 * toplev.c: Include "function.h".
17392 (current_function_decl): Delete declaration.
17393 (compile_file): Call init_dummy_function_start and
17394 expand_dummy_function_end around some initializations that need to
17396 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
17397 Call init_function_for_compilation.
17398 * unroll.c: Include "function.h"
17399 (unroll_loop): Access regno_pointer_* variables through
17402 * tree.h (struct tree_decl): Add elt f to saved_insns member.
17403 (DECL_SAVED_INSNS): use it.
17404 (expand_dummy_function_end): Declare.
17405 (init_function_for_compilation): Declare.
17406 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
17407 that it's no longer an INLINE_HEADER.
17408 (expand_call): Likewise.
17409 * integrate.c (finish_inline): Delete function.
17410 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
17411 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
17412 args. Don't generate an INLINE_HEADER rtx, just return the arg
17413 vector. All callers changed.
17414 (save_for_inline_copying): Create a duplicate struct emit_status to
17415 hold the emit state for compiling the current function. Use this and
17416 the other new fields in struct function that are for integration
17417 instead of an INLINE_HEADER.
17418 Use memcpy instead of bcopy.
17419 Store the current struct function in DECL_SAVED_INSNS of fndecl.
17420 (save_for_inline_nocopy): Similar changes, except no new emit_status
17422 (expand_inline_function): Get information from function structure,
17423 not from an inline header rtx.
17424 (output_inline_function): Lose code to extract the necessary
17425 information from an inline header; simply put back the function
17426 structure into current_function. Clear its inlinable elt.
17427 * rtl.def (INLINE_HEADER): Delete.
17428 * rtl.h: Delete all accessors for an INLINE_HEADER.
17429 (gen_inline_header_rtx): Delete declaration.
17430 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
17431 Delete declarations.
17432 (REGNO_POINTER_ALIGN): Delete.
17433 (clear_emit_caches): Declare.
17434 (set_new_last_label_num): Declare.
17436 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
17438 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
17440 * except.c (expand_eh_region_start_for_decl): Always start a new block.
17441 * stmt.c (is_eh_region): Make sure current_function is present, too.
17443 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
17445 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
17446 for 64bit PA targets.
17448 * pa.h (SELECT_SECTION): Define.
17449 * som.h (SELECT_SECTION): Delete.
17451 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17453 * alias.c (init_alias_analysis): Wrap call to
17454 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
17456 1999-08-07 Bruce Korb <autogen@linuxbox.com>
17458 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
17459 <sys/asm.h> contains an asm comment with an apostrophe
17460 * fixinc/inclhack.sh: regen
17461 * fixinc/fixincl.x: regen
17463 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
17465 * function.c (init_function_start): Clear prologue & epilogue.
17466 (prologue_epilogue_contains): New function.
17467 * alias.c (init_alias_analysis): Use it.
17468 * rtl.h (prologue_epilogue_contains): Declare it.
17470 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
17472 * jump.c (onlyjump_p): New function.
17473 * rtl.h: Declare it.
17474 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
17475 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
17477 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
17479 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
17480 to invert loops. Simplify block scanning.
17482 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17484 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
17485 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
17487 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
17489 * config/sparc/liteelf.h: New file to support sparclite-elf target
17490 * config/sparc/t-sp86x: New file to support sparc86x targets
17491 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
17492 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
17493 * configure.in: Support above target triplets
17494 * configure: Regenerated
17496 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
17498 * fixinc/server.c (server_setup): Do not prefix function used as
17499 parameter with `&'.
17501 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
17503 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
17504 Remove fp reg alternatives.
17506 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
17508 * Makefile.in (TAROUTOPTS): Kill.
17509 (install-headers-tar): Use "xpf" for tar headerfile extraction
17510 * i370/x-oe (TAROUTOPTS): Delete.
17511 * m68k/x-apollo68 (TAROUTOPTS): Delete.
17512 * m68k/x-hp320 (TAROUTOPTS): Delete.
17513 * m68k/x-hp320g (TAROUTOPTS): Delete.
17514 * gcc.texi: Update bug reporting text.
17516 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17518 * reg-stack.c (change_stack) Fixed problem with negative array index.
17520 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
17522 * extend.texi, install.texi: Fix spelling mistakes.
17524 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
17525 (s-attrtab); No longer try to use pre-made insn-attrtab file.
17526 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
17527 PREMADE_ATTRTAB_MD.
17528 * mips/t-ecoff: Likewise.
17529 * mips/t-elf: Likewise.
17530 * mips/t-mips: Likewise.
17531 * mips/t-osfrose: Likewise.
17532 * mips/t-r3900: Likewise.
17533 * mips/t-svr3: Likewise.
17534 * mips/t-svr4: Likewise.
17535 * mips/t-ultrix: Likewise.
17537 * gcc.texi: Document recommend means to provide software floating
17538 point libraries in libgcc.a
17540 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
17542 * c-lex.c (yylex): We can have a number with no digits.
17544 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
17546 * jump.c (delete_prior_computation): New function, broken
17547 out of delete_computation. Check for side effects with
17548 side_effects_p instead of FIND_REG_INC_NOTE. Handle
17549 multi-word hard registers.
17550 (delete_computation): Use it. Check for side effects with
17551 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
17552 missing REG_DEAD note for a register which is both set and
17555 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
17557 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
17558 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
17559 (ASM_FILE_START): Import _mcount with the right type.
17560 (ASM_DECLARE_FUNCTION_NAME): Define.
17561 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
17562 * pa.c (output_function_prologue): Always emit the function's label
17564 * pa.h (TEXT_SPACE_P): Define.
17565 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
17566 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
17567 * som.h (TEXT_SPACE_P): Delete.
17568 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
17569 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
17571 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
17573 * expr.c (emit_group_load): Allow src to be a CONCAT.
17575 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17577 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
17578 (___mulsi3): Use '!' comment character.
17580 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17582 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
17584 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
17586 * gcc.c: Update URLs and mail addresses.
17587 * gcc.texi: Likewise.
17589 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
17591 * rs6000.c (current_file_function_operand): Return zero for
17593 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
17595 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
17598 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
17600 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
17601 allocate space in the stack frame for the PIC register.
17603 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
17605 * m68k.md (xordi3, anddi3): These patterns are not available on
17608 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
17610 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
17611 (PUT_REAL): Likewise.
17613 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17615 * final.c (shorten_branches): Don't add an alignment for loops
17616 that have no label inside.
17618 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17620 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
17621 prototypes in macro HAVE_cmpstrsi.
17623 * cpplib.c (cpp_get_token): Remove unused label `op3'.
17625 * emit-rtl.c (operand_subword): Remove unused variable
17628 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
17630 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
17632 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
17634 * cpphash.c (macroexpand): Delete leading whitespace when arg
17635 is concatenated before.
17636 (unsafe_chars): Correct test for whether + and - can extend a
17639 * cppinit.c (cpp_start_read): Do dependencies for
17640 -include/-imacros files also.
17642 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
17643 tokenizing non-directive lines.
17644 (cpp_expand_to_buffer): Temporarily disable no-output mode.
17645 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
17648 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
17650 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
17652 * c-lex.c: Sync with C++ frontend.
17653 (linemode): New variable.
17654 (parse_float): imag, conversion_errno, and type are output only.
17655 (yylex): Adjust. Move initial '.' case into main switch.
17657 (handle_generic_pragma): Just deal with tokens.
17658 (readescape): Use ISXDIGIT and ISGRAPH.
17659 * c-parse.in: Add END_OF_LINE token.
17661 * c-lex.c (lang_init): Generalize.
17662 (nextchar): Remove. Replace uses with UNGETC.
17663 (skip_white_space): Handle linemode here. Optimize for cpplib.
17664 (skip_white_space_on_line): Remove.
17665 (extend_token_buffer_to): New fn.
17666 (extend_token_buffer): Use it.
17667 (read_line_number, check_newline): Just deal with tokens.
17668 (token_getch, token_put_back): New fns.
17669 (yylex): Use them. More cpplib optimizations. Simplify.
17671 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
17672 Jason Merrill <jason@yorick.cygnus.com>
17674 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
17675 (consume_string): Make this smart about USE_CPPLIB.
17676 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
17677 (yylex): Rewrite to be intelligent about USE_CPPLIB.
17678 Also, clean up cases where we redundantly set token_buffer[0].
17679 (read_line_number): New fn.
17680 (ignore_escape_flag): New variable.
17682 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
17684 * a29k/t-a29kbare: Fix some comments.
17685 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
17686 (FPBIT, DPBIT): Define.
17687 * a29k/t-vx29k: Likewise.
17688 * arc/t-arc: Likewise.
17689 * arm/t-arm-elf: Likewise.
17690 * arm/t-bare: Likewise.
17691 * arm/t-pe: Likewise.
17692 * arm/t-pe-thumb: Likewise.
17693 * arm/t-semi: Likewise.
17694 * arm/t-thumb: Likewise.
17695 * arm/t-thumb-elf: Likewise.
17696 * arm/t-thumb-linux: Likewise.
17697 * h8300/t-h8300: Likewise.
17698 * i960/t-i960: Likewise.
17699 * i960/t-vxworks960: Likewise.
17700 * m32r/t-m32r: Likewise.
17701 * mips/t-ecoff: Likewise.
17702 * mips/t-elf: Likewise.
17703 * mips/t-r3900: Likewise.
17704 * pa/t-pro: Likewise.
17705 * rs6000/t-aix43: Likewise.
17706 * rs6000/t-beos: Likewise.
17707 * rs6000/t-newas: Likewise.
17708 * rs6000/t-ppccomm: Likewise.
17709 * rs6000/t-rs6000: Likewise.
17710 * rs6000/t-winnt: Likewise.
17711 * rs6000/t-xnewas: Likewise.
17712 * rs6000/t-xrs6000: Likewise.
17713 * sh/t-sh: Likewise.
17714 * sparc/t-elf: Likewise.
17715 * sparc/t-sparcbare: Likewise.
17716 * sparc/t-sparclite: Likewise.
17717 * sparc/t-splet: Likewise.
17718 * v850/t-v850: Likewise.
17719 * mn10200/t-mn10200: Fix comments.
17720 * mn10300/t-mn10300: Likewise.
17722 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
17723 dummy operand. Allocate a new pseudo for the dummy operand.
17724 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
17726 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
17728 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
17730 * configure: Rebuilt.
17731 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
17733 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
17735 * recog.c (preproces_constraints): Zero recog_op_alt before
17736 processing the constraints.
17738 * arm.c (typedef minipool_node): Renamed from pool_node.
17739 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
17740 (add_minipool_constant): New function.
17741 (dump_minipool): New function.
17742 (find_barrier): Remove special case for getting the insn size of
17743 an insn that references the constant pool.
17744 (minipool_fixup): New structure.
17745 (push_minipool_barrier): New function.
17746 (push_minipool_fix): New function.
17747 (note_invalid_constants): New function.
17748 (add_pool_constant, dump_table, fixit, broken_move): Delete.
17749 (arm_reorg): Rewrite code to fix up the constant pool into a
17750 series of mini-pools embedded in the insn stream.
17751 (arm_output_epilogue): New function, made mainly from the body
17752 of output_func_epilogue.
17753 (output_func_epilogue): Move insn generation part of epilogue code
17754 to arm_output_epilogue.
17755 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
17756 * arm.md (pool_range): New attribute.
17757 (zero_extendqidi2): Add attribute pool_range.
17758 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
17759 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
17760 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
17761 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
17762 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
17763 (epilogue): New expand.
17764 (epilogue_insn): New insn. Call arm_output_epilogue.
17766 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
17767 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
17769 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
17771 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
17773 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
17775 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
17777 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
17779 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
17781 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
17783 * global.c: Fix comment.
17785 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
17787 * gcc.c (access_check): New static function.
17788 (find_a_file): Use it when searching a directory list.
17789 * collect2.c (find_a_file): Don't accept directories found when
17790 searching a directory list.
17792 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
17794 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
17795 function parameters with `&'.
17796 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
17798 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
17800 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
17801 or tidy_fallthru_edge if the last insn in the block is not
17802 an unconditional jump or a simple conditional jump.
17804 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17806 * Makefile.in (c-decl.o): Depends on defaults.h.
17808 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
17810 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
17812 (CLASS_MAX_NREGS): Likewise.
17814 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
17816 * cse.c (cse_insn): Fix dumb thinko in last change.
17818 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17820 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
17823 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
17825 * dwarf2out.c (add_location_or_const_value_attribute): Correct
17826 test for sizes of passed and declared parameter types.
17828 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17830 * fixincludes: Fix the return type of bsearch, char* -> void*.
17832 * fixinc/inclhack.def: Likewise.
17834 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
17836 * invoke.texi (-fdump-translation-unit): New option.
17838 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
17840 * expr.h (PROMOTE_PROTOTYPES): Move ...
17841 * defaults.h: ... to here.
17842 * c-decl.c: Include defaults.h instead of expr.h.
17843 * c-typeck.c: Include defaults.h.
17845 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
17847 * toplev.h (errorcount): Declare.
17848 (warningcount): Likewise.
17849 (sorrycount): Likewise.
17850 * c-lex.c (errorcount): Don't declare.
17851 * dwarf2out.c (errorcount): Don't declare.
17853 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
17855 * config/libgloss.h: Add a note discouraging use with ELF.
17856 * configure.in: Don't use libgloss.h for ELF targets.
17857 Always use_collect2 on a.out targets.
17859 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
17861 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
17862 (force_to_mode, case ASHIFTRT): Add shiftrt label.
17864 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17866 * loop.c (strength_reduce): When doing biv->giv conversion, update
17867 reg note of NEXT->insn.
17869 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17871 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
17873 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17875 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
17876 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
17877 Ensure expr.h is included.
17878 * c-typecheck.c (convert_arguments): Ditto.
17880 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
17882 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
17883 * config/convex/convex.h: Ditto.
17884 * config/dsp16xx/dsp16xx.h: Ditto.
17885 * config/fx80/fx80.h: Ditto.
17886 * config/gmicro/gmicro.h: Ditto.
17887 * config/i370/i370.h: Ditto.
17888 * config/i386/i386.h: Ditto.
17889 * config/m32r/m32r.h: Ditto.
17890 * config/m68k/m68k.h: Ditto.
17891 * config/m88k/m88k.h: Ditto.
17892 * config/mips/mips.h: Ditto.
17893 * config/pa/pa.h: Ditto.
17894 * config/pyr/pyr.h: Ditto.
17895 * config/tahoe/tahoe.h: Ditto.
17896 * config/we32k/we32k.h: Ditto.
17898 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
17899 based on arch size.
17901 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
17903 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
17906 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
17908 1999-08-02 Richard Henderson <rth@cygnus.com>
17910 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
17911 for the register spill block.
17912 (m32r_va_arg): New.
17913 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
17914 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
17916 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
17917 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
17918 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
17920 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17922 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
17923 MAX_WCHAR_TYPE defined in sparc.h.
17924 * config/sparc/linuxaout.h: Likewise.
17925 * config/sparc/linux64.h: Likewise.
17926 Also default to -mvis if CPU is UltraSPARC.
17928 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17930 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
17931 (RTX_OK_FOR_OLO10): Likewise.
17932 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
17933 %lo(), allow it in addresses...
17934 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
17935 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
17936 does not make sense.
17937 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
17938 (sparc_output_scratch_registers): New function.
17939 (output_function_prologue, sparc_flat_output_function_prologue): Use
17941 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
17943 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
17944 * configure.in: Add check for .register pseudo-op support in as and
17945 check for offsetable %lo().
17946 * acconfig.h: Add templates for the above checks.
17947 * configure: Regenerate.
17949 1999-08-02 Richard Henderson <rth@cygnus.com>
17951 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
17952 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
17953 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
17955 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17957 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17960 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17962 * config/float-sparc.h: New file.
17963 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
17964 sparc-*-linux-gnu and sparc64-*-linux*.
17966 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17968 * rs6000.c (rs6000_va_list): Type is an array.
17969 (rs6000_va_start): Don't doubly adjust for varargs.
17970 (rs6000_va_arg): Evaluate long long GPR adjustment.
17972 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
17974 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
17975 -maix64 and -maix32.
17976 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
17977 LINK_SPEC): Change appropriately.
17978 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
17979 (u_short_cint_operand): Likewise.
17980 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
17982 * rs6000/t-aix43 (MULTILIB): Change to -m64.
17984 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
17986 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
17988 * rs6000/rs6000.c (num_insns_constant_wide): Correct
17989 for type promotion.
17990 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
17991 (non_add_cint_operand): Likewise.
17992 (logical_operand): Likewise.
17993 (non_logical_cint_operand): Likewise.
17994 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
17995 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
17996 (rs6000_select_rtx_section): Suppress warning.
17997 (small_data_operand): Suppress warning.
17998 (rs6000_got_register): Suppress warning.
17999 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
18000 type, so `J' is generally the wrong constraint for a SImode value;
18002 (andsi3_internal2): Likewise.
18003 (andsi3_internal3): Likewise.
18004 (iorsi3_internal1): Likewise.
18005 (xorsi3_internal1): Likewise.
18007 (movsf_softfloat): Likewise.
18008 (scc insns): Likewise.
18009 (movsi+2): Preserve sign bits of SImode constant.
18010 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
18011 (movdf+1): Sign-extend properly.
18012 (movdi_32+1): Sign-extend properly.
18013 (scc insns): Sign-extend properly.
18015 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
18018 1999-08-02 Richard Henderson <rth@cygnus.com>
18020 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
18021 -mcpu parsing code.
18022 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
18023 * alpha.md (all fp insns): Likewise.
18025 1999-08-02 Nick Clifton <nickc@cygnus.com>
18027 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
18030 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
18032 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
18033 pic_load_label generator directly.
18034 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
18035 No longer a named pattern.
18037 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
18039 * explow.c (force_reg): Call force_operand if X does not
18040 satisfy general_operand.
18042 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
18044 * fix-header.c (main): When testing for CONTINUED, use string
18045 equality, not pointer equality.
18047 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
18049 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
18051 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
18053 * cse.c (cse_insn): Fix loop which deletes insns after a jump
18054 that has become an unconditional jump.
18056 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
18057 (output_function_epilogue): Similarly.
18059 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18061 * tree.h (init_dummy_function_start): Declare.
18063 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18065 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
18066 last_expr_type, last_expr_value, block_start_count, block_stack,
18067 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
18068 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
18069 dynamically in stmt elt of struct function for each function.
18070 (struct nesting): Rename function_call_count elt to n_function_calls,
18071 target_temp_slot_level to block_target_temp_slot_level. All users
18073 (struct stmt_status): New structure definition.
18074 Add many accessor macros for stmt_status elements which previously
18075 were global variables.
18076 (init_stmt_for_function): Allocate stmt elt for current_function.
18077 Reflect that block_start_count was renamed to
18078 current_block_start_count.
18079 (save_stmt_status, restore_stmt_status): Delete functions.
18080 (preserve_subexpressions_p): Don't access loop_stack when outside
18082 (expand_start_bindings): Reflect that block_start_count was renamed to
18083 current_block_start_count.
18084 (expand_fixup): Likewise.
18085 (expand_decl): Don't access block_stack when outside a function.
18086 (expand_decl_cleanup): Likewise.
18087 (expand_dcc_cleanup): Likewise.
18088 (expand_dhc_cleanup): Likewise.
18089 (expand_anon_union_decl): Likewise.
18090 (set_file_and_line_for_stmt): New function.
18091 (in_control_zone_p): New function.
18093 * function.h (struct function): Add new elt stmt.
18094 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
18095 case_stack, nesting_stack, nesting_depth, block_start_count,
18096 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
18097 emit_lineno, goto_fixup_chain.
18098 (save_eh_status, restore_eh_status, save_stmt_status,
18099 restore_stmt_status): Delete declarations.
18100 * function.c (push_function_context_to): Don't call save_stmt_status.
18101 (pop_function_context_to): Don't call restore_stmt_status.
18102 * tree.h (in_control_zone_p): Declare.
18103 * rtl.h (set_file_and_line_for_stmt): Declare.
18105 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
18106 call set_file_and_line_for_stmt.
18108 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
18110 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
18111 Also update copyright.
18113 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18115 * c-pragma.c: Don't include "except.h".
18116 * emit-rtl.c: Likewise.
18117 * stor-layout.c: Likewise.
18118 * tree.c: Likewise.
18119 * varasm.c: Likewise.
18121 * flow.c: Include "function.h".
18122 * tree.h (init_dummy_function_start): Declare new function.
18124 * except.h (struct eh_status): New structure.
18125 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
18127 (eh_return_stub_label, ehstack, catchstack, ehqueue,
18128 catch_clauses, false_label_stack, caught_return_label_stack,
18129 protect_list, current_function_ehc): Add accessor macros for the
18130 corresponding fields in current_function->eh; delete declarations
18131 for all items that used to be declared here.
18132 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
18133 catch_clauses, false_label_stack, caught_return_label_stack,
18134 protect_list, current_function_ehc): Delete variables.
18135 (init_eh_for_function): Allocate current_function->eh.
18136 (save_eh_status, restore_eh_status): Delete functions.
18138 * function.h (struct function): Add fields next_global and eh.
18139 Delete all exception handling related fields.
18140 * function.c (current_function): New variable.
18141 (all_functions): New variable.
18142 (push_function_context_to): Don't allocate a struct function,
18143 use current_function instead. Call init_dummy_function_start when
18144 outside a function. Clear current_function before returning.
18145 (pop_function_context_from): Restore current_function.
18146 Don't free the restored struct function.
18147 (prepare_function_start): New function.
18148 (init_dummy_function_start): New function.
18149 (init_function_start): Break out some code into prepare_function_start
18152 * stmt.c (save_stmt_status): Don't call save_eh_status.
18153 (restore_stmt_status): Don't call restore_eh_status.
18155 * Makefile.in: Update dependencies.
18157 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
18159 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
18160 of depending on a magic constant value. Update comments.
18161 (hppa_expand_prologue): Similarly.
18163 * pa.md (reload_indi, reload_outdi): Allow any register for the
18164 original reload register.
18166 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
18168 * cccp.c (print_help): Change marcos to macros.
18170 1999-07-30 Richard Henderson <rth@cygnus.com>
18172 * c-typeck.c (initializer_constant_valid_p): Move ...
18173 * c-common.c (initializer_constant_valid_p): ... here. Use
18174 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
18175 of label addresses.
18176 * c-common.h (initializer_constant_valid_p): Declare.
18177 * c-tree.h (initializer_constant_valid_p): Remove.
18179 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
18181 * config/i386/sol2-c1.asm: Align the stack.
18182 * config/i386/sol2-gc1.asm: Likewise.
18184 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
18186 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
18187 -Asparclite for sparc86x.
18188 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
18190 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
18192 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
18194 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
18195 the user if using the non-default arch size in BI_ARCH configuration.
18196 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
18198 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
18199 Fix patterns so that they actually match.
18200 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
18201 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
18202 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
18204 (mulsidi3): Reflect this in the expand.
18205 (smulsi3_highpart): Only on TARGET_ARCH32.
18206 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
18207 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
18208 (umulsidi3): Reflect this in the expand.
18209 (umulsi3_highpart): Only on TARGET_ARCH32.
18210 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
18211 don't require g0 to be zero.
18212 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
18213 ({,u}divsi3): New expands.
18214 ({,u}divsi3_sp64): New patterns.
18215 (after lshrdi3_v8plus): Four new patterns to help combiner
18216 optimizing nested mixed mode shifts.
18218 * config/sparc/sparc.c (sparc_override_options): Use deprecated
18219 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
18220 speed things up. Don't use them by default on plain v9 in 64bit
18221 mode, according to what SPAMv9 sais.
18223 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
18224 top 32 bits of %[og][0-7] in signal handlers.
18225 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
18227 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
18229 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
18230 (ashlsi3): Corresponding changes.
18232 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
18234 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
18236 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
18238 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18240 * arm.h (Hint): Delete macro.
18241 Substitute HOST_WIDE_INT for Hint in some prototypes.
18242 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
18244 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
18246 * builtins.c (expand_builtin_setjmp): Use force_operand to
18247 make sure that the buffer address is in a suitable form to be
18248 passed to force_reg.
18250 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
18252 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
18255 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
18257 * pa.md (indirect_jump): Remove mode from match_operand. Verify
18258 proper mode in the condition string.
18259 (icacheflush, dcacheflush): Remove modes from match_operands.
18261 * pa.c (emit_move_sequence): Always convert scratch_reg to the
18262 proper mode before using it.
18264 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
18267 * pa.c (store_reg): Do not call add_high_const generator directly.
18268 (load_reg, set_reg_plus_d): Likewise.
18269 * pa.md (add_high_const): No longer a named pattern.
18271 * pa.c (legitimize_address): Consistently use Pmode rather than
18272 SImode. Do not call gen_pic2_highpart directly anymore.
18273 * pa.md (pic2_highpart): No longer a named pattern.
18274 (pic2_lo_sum): Similarly. Reformat to make more readable.
18276 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
18281 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18283 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
18285 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
18287 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
18288 and tag the spill mems.
18289 (hppa_va_start): New.
18290 (hppa_va_arg): New.
18291 * pa.h (EXPAND_BUILTIN_VA_START): New.
18292 (EXPAND_BUILTIN_VA_ARG): New.
18294 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
18296 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
18297 and tag the spill mems.
18298 (mn10300_va_start): New.
18299 (mn10300_va_arg): New.
18300 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
18301 (EXPAND_BUILTIN_VA_ARG): New.
18303 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
18305 * mn10200.c (mn10200_va_arg): New.
18306 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
18308 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
18310 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
18311 rather than play with TREE_INT_CST_LOW.
18313 1999-07-27 Philip Blundell <pb@nexus.co.uk>
18315 * config/arm/telf.h: Include dbxelf.h.
18316 (CPP_PREDEFINES): Only define if not already defined.
18317 (ASM_IDENTIFY_GCC): Likewise.
18318 (SUBTARGET_EXTRA_SECTIONS): Likewise.
18319 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
18320 * config/arm/thumb.h (LINK_SPEC): Only define if not already
18322 (DBX_DEBUGGING_INFO): Don't define.
18323 * config/arm/linux-telf.h: New file.
18324 * config/arm/linux-tgas.h: New file.
18325 * config/arm/t-thumb-linux: New file.
18326 * config/arm/uclinux-elf.h: New file.
18327 * config/arm/uclinux-telf.h: New file.
18328 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
18329 thumb-*-uclinux): New targets.
18330 * configure: Regenerate.
18332 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
18334 * pa.md (post_store, pre_load): New expanders.
18335 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
18336 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
18337 need to directly generate RTL for them.
18338 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
18341 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
18343 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
18344 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
18345 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
18346 (secndary_reload_class): Make TARGET_ELF conditional compile.
18347 (print_operand_address): Similar.
18348 (output_toc): Print all values as hex.
18349 (get_issue_rate): Rearrange and add RS64A and PPC630.
18350 * rs6000.h (processor_type): Add RS64A and PPC630.
18351 (PROCESSOR_POWERPC64): New.
18352 (PROMOTE_MODE): Use word_mode.
18353 (RTX_COSTS): Add RS64A and PPC630.
18354 * rs6000.md (scheduling information): Add lmul and ldiv
18355 representing 64-bit integer multiply and divide. Add rs64a and
18356 PPC630 information.
18357 (ashldi3): Add support for "rldic" instruction.
18358 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
18360 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
18362 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
18363 instead of V8 for sparclite86x in cpu_table.
18365 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18367 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
18368 output_file_directive.
18370 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
18372 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
18373 tree for op1, not the rtl.
18375 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
18377 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
18378 to m88k_va_start, leaving only the register spill.
18379 (m88k_build_va_list): New.
18380 (m88k_va_start): New.
18381 (m88k_va_arg): New.
18382 * m88k.h (BUILD_VA_LIST_TYPE): New.
18383 (EXPAND_BUILTIN_VA_START): New.
18384 (EXPAND_BUILTIN_VA_ARG): New.
18386 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
18388 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
18389 Rename from expand_builtin_saveregs.
18390 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
18392 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
18394 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
18395 for the register spill block.
18396 (i960_build_va_list): New.
18397 (i960_va_start): New.
18398 (i960_va_arg): New.
18399 * i960.h (BUILD_VA_LIST_TYPE): New.
18400 (EXPAND_BUILTIN_VA_START): New.
18401 (EXPAND_BUILTIN_VA_ARG): New.
18402 * i960.md (store_multiple): Use change_address on individul mems.
18404 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
18406 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
18408 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
18409 (expand_builtin_va_end): Evaluate arg for side effects.
18410 * c-common.c (c_common_nodes_and_builtins): Construct a
18411 va_list_arg_type_node to handle array decomposition to pointer.
18413 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
18415 * except.c (start_dynamic_cleanup): Use force_operand on the
18418 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
18420 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
18421 * c4x.c (c4x_va_arg): New.
18423 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
18425 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
18426 has manual_pop set.
18428 1999-07-26 Nathan Sidwell <nathan@acm.org>
18430 * eh-common.h (__eh_matcher): Prototype correctly.
18432 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
18434 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
18435 (TARGET_SINGLE_PIC_BASE): Likewise.
18436 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
18438 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
18439 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
18440 (TARGET_OPTIONS): Add -mpic-register=N.
18441 (OUTPUT_INT_ADDR_CONST): New macro.
18442 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
18443 LEGITIMATE_PIC_OPERAND_P): Likewise.
18444 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
18445 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
18446 output_addr_const directly.
18447 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
18449 (thumb_pic_register, thumb_pic_register_string): Declare.
18451 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
18453 (label_mentioned_p): New function: Imported from arm.c.
18454 (legitimize_pic_address): New function: Imported from arm.c.
18455 (is_pic):New function: Imported from arm.c.
18456 (thumb_finalize_pic):New function: Imported from arm.c.
18457 (add_constant): Cope with PIC constants.
18458 (fixit): Cope with PIC constants.
18459 (output_return): Do not treat the PIC register as live if
18460 TARGET_SINGLE_PIC_BASE is true.
18461 (thumb_function_prologue): Do not treat the PIC register as live if
18462 TARGET_SINGLE_PIC_BASE is true.
18463 (thumb_expand_prologue): Do not treat the PIC register as live if
18464 TARGET_SINGLE_PIC_BASE is true.
18465 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
18466 TARGET_SINGLE_PIC_BASE is true.
18467 (thumb_print_operand): Accept '|'.
18468 (thumb_override_options): Process PIC options.
18470 * config/arm/thumb.md (movsi): Support PIC.
18471 (call_insn): Change "i" constraint to "X".
18472 (call_value_insn): Likewise.
18473 (consttable_4, consttable_8, consttable_end): Set and clear
18474 "making_const_table" as appropriate.
18475 (pic_load_addr, pic_add_dot_plus_four): New insns.
18477 * invoke.texi (Thumb Options): Fix spelling. Document new
18478 options -msingle-pic-base and -mpic-register=.
18480 1999-07-26 Andrew Haley <aph@cygnus.com>
18482 * config/m32r/initfini.c (__init): Use a full word immediate for
18483 __fini: this allows it to be placed in any memory region.
18485 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
18486 -mmodel=medium. This is OK for all memory models.
18488 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
18490 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
18491 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
18493 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
18495 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
18498 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
18500 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
18502 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
18503 (BUILD_VA_LIST_TYPE): New.
18504 (EXPAND_BUILTIN_VA_START): New.
18505 (EXPAND_BUILTIN_VA_ARG): New.
18506 * i860.c (output_delayed_branch): Disable.
18507 (output_delay_insn): Likewise.
18508 (i860_saveregs): New.
18509 (i860_build_va_list): New.
18510 (i860_va_start): New.
18511 (i860_va_arg): New.
18512 * i860.md: Disable all peepholes using output_delayed_branch.
18513 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
18515 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
18517 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
18518 (BUILD_VA_LIST_TYPE): New.
18519 (EXPAND_BUILTIN_VA_START): New.
18520 (EXPAND_BUILTIN_VA_ARG): New.
18521 * clipper.c (clipper_builtin_saveregs): Only dump registers.
18522 Return the address of the save area.
18523 (clipper_build_va_list): New.
18524 (clipper_va_start): New.
18525 (clipper_va_arg): New.
18527 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
18529 * arc.h (EXPAND_BUILTIN_VA_START): New.
18530 (EXPAND_BUILTIN_VA_ARG): New.
18531 * arc.c (arc_setup_incoming_varargs): Set alias set of
18533 (arc_va_start): New.
18536 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
18538 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
18539 (BUILD_VA_LIST_TYPE): New.
18540 (EXPAND_BUILTIN_VA_START): New.
18541 (EXPAND_BUILTIN_VA_ARG): New.
18542 * alpha.c (alpha_builtin_saveregs): Delete.
18543 (alpha_build_va_list): New.
18544 (alpha_va_start): New.
18545 (alpha_va_arg): New.
18547 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
18549 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
18551 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
18552 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
18554 * gcc.texi: More changes related to list conversion.
18555 * invoke.texi: Likewise.
18557 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
18559 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
18560 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
18561 (expand_builtin_next_arg): Accept ARGLIST not EXP.
18562 (stabilize_va_list): New function.
18563 (std_expand_builtin_va_start): New function.
18564 (expand_builtin_va_start): New function.
18565 (get_varargs_alias_set): New function.
18566 (std_expand_builtin_va_arg): New function.
18567 (expand_builtin_va_arg): New function.
18568 (expand_builtin_va_end): New function.
18569 (expand_builtin_va_copy): New function.
18570 (expand_builtin): Call them.
18571 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
18572 __builtin_{varargs_start,stdarg_start,end,copy}.
18573 (build_va_arg): New function.
18574 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
18575 (build_va_arg): Declare.
18576 * c-decl.c (ptr_type_node, va_list_type_node): New.
18577 * c-parse.gperf (__builtin_va_arg): New.
18578 * c-parse.in (VA_ARG): New token.
18579 (unary_expr): Recognize it.
18580 * expr.c (expand_expr): Expand VA_ARG_EXPR.
18581 * expr.h (std_expand_builtin_va_start): Declare.
18582 (std_expand_builtin_va_arg): Declare.
18583 (expand_builtin_va_arg): Declare.
18584 (get_varargs_alias_set): Declare.
18585 * tree.def (VA_ARG_EXPR): New.
18586 * tree.h (BUILT_IN_VARARGS_START): New.
18587 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
18588 (ptr_type_node, va_list_type_node): Declare.
18589 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
18590 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
18591 * m88k.h, m88k.c: Likewise.
18592 * mn10300.h, mn10300.c: Likewise.
18593 * pa.h, pa.c: Likewise.
18594 * rs6000.h, rs6000.c: Likewise.
18595 * sh.h, sh.c: Likewise.
18596 * sparc.h, sparc.c: Likewise.
18598 * emit-rtl.c (operand_subword): Copy alias set.
18599 (change_address): Likewise.
18601 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
18603 * pa.c (compute_frame_size): Scan all the used callee saved registers,
18604 not just the first one.
18606 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
18608 * config/arm/arm.h (TARGET_SWITCHES): Add
18609 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
18610 (TARGET_OPTIONS): Add -mpic-register=.
18611 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
18612 (arm_pic_register_string): Declare.
18613 (NEED_PLT_GOT): Delete, replace with ...
18614 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
18615 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
18616 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
18617 * config/arm/arm.c (arm_override_options): Add new option
18619 (arm_pic_register_string): New variable.
18620 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
18621 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
18622 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
18623 (output_return_instruction): Likewise.
18624 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
18625 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
18626 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
18628 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
18629 mention of -msched-prolog. Document new options -msingle-pic-base
18630 and -mpic-register=.
18632 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
18634 * haifa-sched.c (reemit_notes): Tidy.
18635 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
18638 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
18640 * explow.c (trunc_int_for_mode): New function.
18641 (plus_constant_wide): Use it.
18642 * combine.c (simplify_and_const_int): Likewise.
18643 (merge_outer_ops): Likewise.
18644 (simplify_shift_const): Likewise.
18645 * cse.c (simplify_unary_operation): Likewise.
18646 (simplify_binary_operation): Likewise.
18647 * emit-rtl.c (operand_subword): Likewise.
18648 * rtl.h: Declare it.
18650 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18652 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
18653 (use NUM_REGS instead of NUM_INTS).
18655 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18657 * builtins.c: New file.
18658 * expr.c (saveregs_value, apply_args_value): Delete definition,
18659 moved into builtins.c.
18660 (string_constant): No longer static.
18661 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
18662 apply_args_size, apply_result_size, result_vector,
18663 expand_builtin_apply_args, expand_builtin_apply,
18664 expand_builtin_return): Delete functions, moved into builtins.c.
18665 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
18666 * expr.h (saveregs_value, apply_args_value): Declare variables.
18667 (expand_builtin, string_constant): Declare functions.
18668 * Makefile.in: Update to build builtin.o.
18670 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
18672 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
18673 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
18674 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
18675 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
18677 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
18680 1999-07-21 Michael Meissner <meissner@cygnus.com>
18682 * print-rtl.c (print_rtx): Print the names of the virtual
18685 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
18687 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
18688 introduced in previous delta.
18690 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18692 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
18693 to avoid name clash.
18695 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
18697 * c-lex.c (yylex) : Correct the test for overflow when lexing
18700 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
18702 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
18703 (adjust_priority): Always call ADJUST_PRIORITY.
18704 (schedule_insn): Only put insns into the ready at cost 0.
18705 (schedule_block): Remove redundant initial sort. Give clock_var
18706 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
18708 * tm.texi (MD_SCHED_REORDER): Update docs.
18710 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
18711 * sparc.c (ultra_reorder_called_this_block): Delete.
18712 (ultrasparc_sched_init): Don't set it.
18713 (ultrasparc_sched_reorder): Don't check it.
18715 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
18717 * rs6000.h (struct rs6000_args): Add sysv_gregno.
18718 * rs6000.c (init_cumulative_args): Init sysv_gregno.
18719 (function_arg_boundary): Align DFmode.
18720 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
18721 to get fp reg and stack overflow correct.
18722 (function_arg): Likewise.
18723 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
18724 (setup_incoming_varargs): Restructure for ABI_V4; use
18725 function_arg_advance to skip final named argument.
18726 (expand_builtin_saveregs): Properly unskip the last integer arg
18727 when doing varargs. Adjust overflow location calculation.
18729 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
18730 explicitly unsigned.
18731 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
18732 (__VA_GP_REGSAVE): Similarly.
18733 (__va_longlong_p): Delete.
18734 (__va_arg_type_violation): New declaration.
18735 (va_arg): Restructure. Flag promotion errors. Align double.
18736 TFmode passed by reference.
18738 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
18739 in the HOST_BITS_PER_WIDE_INT > 32 case.
18741 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
18743 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
18745 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
18747 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
18748 * toplev.c (documented_lang_options): Add -fpreprocessed.
18749 * cpplib.h (struct cpp_buffer): Add preprocessed.
18750 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
18751 (cpp_start_read): Don't expand macros or emit an initial #line
18752 directive if -fpreprocessed.
18754 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
18756 * cpplib.h (struct cpp_buffer): Added manual_pop for
18757 better C++ tokenization.
18758 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
18759 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
18760 * c-common.c (cpp_token): Make non-static.
18762 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18764 * c-common.h: New file.
18765 * c-common.c (permanent_obstack): Delete unused declaration.
18766 (c_global_trees): New array.
18767 (c_common_nodes_and_builtins): New function; split off common code
18768 from init_decl_processing in both c-decl.c and cp/decl.c.
18769 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
18770 c_global_trees and accessor macros defined in c-common.h.
18771 Include c-common.h.
18772 * c-decl.c: Delete definitions for tree nodes that were replaced by
18774 (init_decl_processing): Build void_list_node.
18775 Call c_common_nodes_and_builtins; delete code to generate the common
18777 * objc/objc-act.c (build_module_descriptor): Rename variable
18778 void_list_node to avoid clash with c-common.h.
18780 * Makefile.in: Update dependencies.
18781 * objc/Make-lang.in: Likewise.
18783 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
18785 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
18786 (UNIQUE_SECTION_P): Likewise.
18787 (UNIQUE_SECTION): Likewise.
18789 1999-07-19 Linas Vepstas <linas@linas.org>
18791 * config/i370/README: New file.
18792 * config/i370/linux.h: New file.
18793 * config/i370/mvs.h: New file.
18794 * config/i370/oe.h: New file.
18795 * config/i370/t-linux: New file.
18796 * config/i370/t-mvs: New file.
18797 * config/i370/t-oe: New file.
18798 * config/i370/x-oe: New file.
18799 * config/i370/xm-linux.h: New file.
18800 * config/i370/xm-mvs.h: New file.
18801 * config/i370/xm-oe.h: New file.
18803 * i370.c (label_node_t): Add first_ref_page, label_addr,
18804 label_first_ref, label_last_ref members.
18805 (mvs_need_base_reload): Renamed from mvs_label_emitted.
18806 (MAX_MVS_LABEL_SIZE): Define.
18807 (MAX_LONG_LABEL_SIZE): Define.
18808 (alias_node_t, alias_anchor, alias_number): New.
18809 (mvs_function_table): Reorder for EBCDIC.
18810 (ascebc, ebcasc): Unconditionally define.
18811 (i370_branch_dest, i370_branch_length): New functions.
18812 (i370_short_branch, i370_label_scan): New functions.
18813 (mvs_get_label): Renamed from mvs_add_label. Search for
18814 an existing label before creating a new one.
18815 (mvs_add_label): New function.
18816 (mvs_get_label_page): New function.
18817 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
18818 over the entire list.
18819 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
18820 (mvs_check_page) [TARGET_ELF_ABI]: New function.
18821 (mvs_add_alias, mvs_need_alias): New functions.
18822 (mvs_get_alias, mvs_check_alias): New functions.
18823 (handle_pragma): New function.
18824 (mvs_function_check): New function.
18825 (unsigned_jump_follows_p): Search harder.
18826 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
18827 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
18828 * i370.h (TARGET_VERSION): Delete.
18829 (CPP_SPEC, CPP_PREDEFINES): Delete.
18830 (mvs_label_emitted): Delete.
18831 (TARGET_EBCDIC): Delete.
18832 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
18833 (HANDLE_PRAGMA): Define.
18834 (HARD_REGNO_NREGS): Handle complex modes.
18835 (HARD_REGNO_MODE_OK): Likewise.
18836 (CLASS_MAX_NREGS): Likewise.
18837 (RET_REG): Likewise.
18838 (EXTRA_CONSTRAINT): Define.
18839 (RETURN_IN_MEMORY): True for DImode.
18840 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
18841 (FUNCTION_PROFILER): Delete.
18842 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
18843 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
18844 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
18845 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
18846 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
18847 (ASM_FILE_START): Add "RMODE ANY".
18848 (ASM_OUTPUT_EXTERNAL): Check for aliases.
18849 (ASM_GLOBALIZE_LABEL): Likewise.
18850 (ASM_OUTPUT_LABELREF): Likewise.
18851 (ASM_OUTPUT_COMMON): Likewise.
18852 (PRINT_OPERAND): Handle 'K', 'W', default.
18853 (PRINT_OPERAND_ADDRESS): New.
18854 (Lots of defines): Add support for TARGET_ELF_ABI.
18855 * i370.md (attr length): New. Define for all patterns.
18856 (*): Lots of tweeks to assembly output and constraints.
18858 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
18860 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
18861 Disable patterns performing SImode comparisons with SImode values
18862 if TARGET_POWERPC64 and instruction does not sign-extend or does
18863 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
18864 differ for signed quantities.
18865 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
18866 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
18867 (decrement_and_branch_on_count): Add 64-bit variant.
18869 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18871 * final.c (output_asm_insn): When searching for the matching string
18872 for a given dialect, don't run past the end of the list of
18873 alternatives if there are fewer alternatives in the template than
18876 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
18878 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
18879 Removed paragraph about compression of files and size limitation,
18880 duplicated in the FAQ. Use gcc-patches for posting patches.
18881 * gcc.c (main): Updated URL with bug reporting instructions to
18882 gcc.gnu.org. Removed e-mail address.
18883 * system.h (abort): Likewise.
18885 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18887 * Makefile.in (stmp-multilib-sub): Make the files extracted
18888 from $(LIBGCC1) writable.
18890 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
18892 * config/arm/aout.h: Reformat for improved readability.
18894 * config/arm/arm.h: Reformat for improved readability.
18895 Replace uses of fprintf with asm_fprintf where appropriate.
18896 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
18897 function declaration assembler actions.
18898 (NUM_INTS): New macro: Convert from bytes to words.
18899 (NUM_REGS): New macro: Compute number of registers required to
18900 hold a quanitity of tyep MODE.
18901 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
18903 (NUM_ARG_REGS): New macro: The number of argument registers
18905 (ARG_REGISTER): New macro: Compute the register number of the Nth
18907 (LAST_ARG_REGNUM): New macro: The number of the last argument
18909 (SP_REGNUM): New macro: Register number of the stack pointer.
18910 (FP_REGNUM): New macro: Register number of the frame pointer.
18911 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
18912 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
18913 CUMULATIVE_ARGS so that it counts registers not bytes.
18915 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
18917 Replace uses of fprintf with asm_fprintf where appropriate.
18918 (output_ascii_pseudo_op): Replace with version from thumb.c
18920 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
18922 * config/arm/elf.h (CPP_PREDEFINES): Replace with
18923 SUBTARGET_CPP_SPEC.
18924 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
18925 (ASM_FILE_START): Emit ASM_APP_OFF.
18927 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
18929 * pa.c (compute_frame_size): Round frame according to
18930 STACK_BOUNDARY rather than a hardwired value.
18932 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
18934 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
18936 * configure: Rebuilt.
18938 * configure.in (hppa*-*-linux*): New configuration.
18939 * configure: Rebuilt.
18940 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
18941 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
18942 * pa/pa-linux.h: New file.
18943 * pa/t-linux: New file.
18944 * pa/xm-linux.h: New file.
18946 * pa.c (hppa_legitimize_address): Change references from SImode to
18947 either Pmode or word_mode as appropriate.
18948 (emit_move_sequence, store_reg, load_reg): Likewise.
18949 (set_reg_plus_d, hppa_expand_prologue): Likewise.
18950 (output_mul_insn): Likewise.
18951 * pa.h (PROMOTE_MODE): Likewise.
18952 (INITIALZE_TRAMPOLINE): Likewise.
18953 (Pmode): Define to word_mode.
18955 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
18956 value of 4. Allocate 8 bytes for each FP register save.
18957 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
18959 (hppa_expand_prologue): Likewise.
18960 * pa.h (PROMOTE_MODE): Likewise.
18961 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
18962 (FUNCTION_ARG_BOUNDARY): Likewise.
18964 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
18966 * pa.c (out_of_line_prologue_epilogue): Delete.
18967 (override_options): Remove -mspace related code.
18968 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
18969 (compute_frame_size): Only allocate space for register that
18970 actually need to be saved.
18971 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
18972 (TARGET_SWITCHES): Remove -mspace, -mno-space
18973 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
18974 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
18975 * pa/ee.asm, pa/ee_fp.asm: Delete.
18977 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
18979 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
18980 directive in column zero.
18982 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
18984 * m68k.c (output_function_prologue): Fix computation of save mask
18985 when generating PIC code.
18987 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
18989 * tree.c (build_type_attribute_variant): Move current_obstack restore
18990 after build_qualified_type call.
18992 1999-07-15 Mark Mitchell <mark@codesourcery.com>
18994 * configure.in: Use t-iris6, even with GNU LD.
18995 * config/mips/iris6gld.h: Fix typo in linker spec.
18996 * config/mips/t-iris6gld: Remove.
18998 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
19000 * rs6000.md (insv, extzv): Remove SImode dependence in named
19001 patterns. Explicitly generate DImode RTL if PowerPC64 and
19003 (insvdi): Reverse start and size in instruction template.
19005 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
19007 * invoke.texi: Typo fixes.
19009 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
19011 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
19012 handle at this time instead of silently generating incorrect code.
19013 (gen_imagpart): Likewise.
19015 * reload.c (find_reloads): Emit a USE for a pseudo register without
19016 a hard register if we could not create an optional reload for the
19019 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19021 * c-typeck.c (output_init_element, process_init_element):
19022 When advancing constructor_unfilled_fields for a RECORD_TYPE,
19023 check for nameless bit fields.
19025 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
19027 * regclass.c (scan_one_insn): Notice subregs that change the
19028 size of their operand.
19029 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
19031 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
19033 * configure.in (alpha*-*-*): Include alpha/t-ieee.
19034 * configure: Rebuilt.
19035 * alpha/t-ieee: New file.
19037 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
19039 * rs6000.c (find_addr_reg): Do not select r0 as an address
19042 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
19044 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
19046 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
19048 * rs6000.md (movsf): Do not force easy FP constants into memory.
19050 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
19051 immed_double_const to ensure they are properly truncated then
19054 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19056 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
19057 always unless NO_DEBUG is used. Compile this code
19059 (replace_symbols_in_block): Compile it unconditionally.
19061 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
19063 * configure.in (i?86-*-elf*): New target.
19064 * configure: Rebuilt.
19065 * i386/i386elf.h, i386/t-i386elf: New files.
19067 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
19069 * toplev.c (main): Don't complain about saying -gdwarf.
19070 (rest_of_compilation): Remove redundant code.
19072 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
19074 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
19076 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
19078 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
19079 "Li960R:", to avoid name clash.
19081 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19083 * loop.c (check_dbra_loop): When reversing a loop, delete all
19084 REG_EQUAL notes referencing the reversed biv except those which are
19085 for a giv based on it.
19087 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
19089 * version.c: Drop "gcc-" prefix from version #.
19091 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
19093 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
19094 the label if we're being verbose.
19096 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
19098 * m68k.c (output_function_prologue): Add pic register to mask
19099 if live and flag_pic.
19100 (output_function_epilogue): Likewise.
19102 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
19104 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
19105 directives in column zero.
19107 * pa/elf.h (ASM_FILE_START): Define.
19108 * pa/som.h (ASM_FILE_START): Include .level directives.
19109 * pa/hpux10.h (ASM_FILE_START): Delete.
19110 * pa/hpux11.h (ASM_FILE_START): Delete.
19112 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
19114 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19116 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
19117 when reload_out equals reload_in.
19119 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
19121 * invoke.texi (Spec Files): New node: Describe the contents of
19124 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
19126 * invoke.texi (DEC Alpha Options): Put @end table at
19127 beginning of line, to avoid confusing texi2html.
19129 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
19131 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
19132 introduced in previous delta.
19134 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19136 * reload1.c (gen_reload): When synthesizing a 3 operand add
19137 sequence, improve test for when to reload OP1 into the reload
19138 register instead of OP0.
19140 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
19142 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
19144 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
19146 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
19149 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
19151 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
19152 (va_dcl): Use __builtin_va_alist_t.
19154 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
19156 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
19157 on the permanent_obstack.
19158 * dwarfout.c (output_type): Likewise.
19160 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
19162 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19163 Merged from c-typeck.c and cp/typeck.c.
19164 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19165 Merged into c-common.
19167 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
19169 * c-lex.c (errorcount): Declare it.
19170 (finish_parse): Update errorcount when using CPPLIB.
19172 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
19174 * fixinc/inclhack.def(end_else_label): Double the backslash so
19175 sed gets a chance to see it.
19176 * fixinc/inclhack.sh: regen
19177 * fixinc/fixincl.x: regen
19179 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
19181 Add framework to support armv5 architecture when it becomes
19184 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
19185 (arm_arch5): New variable.
19186 (all_architectures): Add armv5 line.
19187 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
19188 -march=armv5 is specified on the command line.
19189 (arm_arch5): Export this variable.
19190 * invoke.texi: Document new string accepted by -march= switch for
19193 * config/arm/arm.h: Replace use of constant 12 as a register
19194 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19195 * config/arm/arm.c: Replace use of constant 12 as a register
19196 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19198 * config/arm/elf.h: Tidy up.
19199 * config/arm/coff.h: Tidy up.
19201 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
19203 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
19204 * gcc/config/mips/t-iris6gld: New file.
19205 * gcc/config/mips/iris6gld.h: Likewise.
19207 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
19209 * c-decl.c (widest_integer_literal_type_node,
19210 widest_unsigned_literal_type) : New.
19211 (init_decl_processing): Handle/use the two new types.
19212 * c-common.c (type_for_size,type_for_mode) : Same.
19213 * c-lex.c (yylex) : Same.
19214 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19216 * c-tree.h (widest_integer_literal_type_node,
19217 widest_unsigned_literal_type) : New.
19219 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
19221 * dwarfout.c (field_byte_offset): Correctly compute the object's
19222 byte offset for the first bit of a field which crosses an alignment
19223 boundary on a !BYTES_BIG_ENDIAN target.
19225 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
19227 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
19230 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
19231 Jeff Law <law@cygnus.com>
19233 * ginclude/varargs.h (va_dcl): Use word_mode for type of
19236 * except.c: Include intl.h.
19237 (expand_eh_return): Set current_function_cannot_inline.
19238 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
19239 * function.h (struct function): Add eh_return_stub_label.
19240 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
19241 * Makefile.in (except.o): Depend on intl.h.
19243 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
19245 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
19246 same as offsettable in cases 1 and 2.
19248 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
19250 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
19251 (extlh, extwh): Likewise.
19253 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
19255 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
19257 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
19259 * configure.in: Add arm-pe and thumb-pe targets.
19260 * configure: Regenerate.
19262 * thumb.c (arm_naked_function_p): New function: Determines if
19263 a function is naked (has no gcc generated prologue/epilogue).
19264 (is_called_in_ARM_mode): Return true if the func has the
19265 interfacearm attribute.
19266 (output_return): Do not generate a return for naked functions.
19267 (thumb_function_prologue): Do not generate a prologue for
19269 (thumb_expand_prologue): Do not generate a prologue for naked
19271 (thumb_expand_epilogue): Do not generate an epilogue for naked
19273 (arm_valid_machine_decl_attribute): New function, copied from
19274 arm.c: Permit naked and interfacearm attributes.
19276 * config/arm/pe.c: New file: Support code for arm-pe target.
19277 * config/arm/pe.h: New file: Header file for arm-pe target.
19278 * config/arm/tpe.h: New file: Header file for thumb-pe target.
19279 * config/arm/t-thumb-pe: New file: Makefile fragment for
19282 1999-07-01 Mark Kettenis <kettenis@gnu.org>
19284 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
19285 -fPIC or -fpic is specified.
19287 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
19289 * expr.c (emit_block_move): Use copy_to_mode_reg for
19290 !TARGET_MEM_FUNCTIONS case too.
19292 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
19294 * configure: Rebuilt.
19295 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
19296 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
19297 definitions made redundant by dbxelf.h inclusion. Delete
19298 lots of definitions related to assembly output that are
19299 specific to the SOM object format.
19300 * pa.c (output_function_prologue): Do not emit the function's
19302 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
19303 * pa-pro.h: Deleted.
19304 * som.h: New file with SOM specific definitions.
19305 * elf.h: New file with ELF specific definitions.
19307 * elfos.h (const_section): Output a tab before assembler directives.
19308 (ctors_section, dtors_section): Likewise.
19309 (ASM_OUTPUT_SECTION_NAME): Likewise.
19311 * pa/pa1.h: Delete unused file.
19313 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
19315 * configure.in (hppa*-hp-hpux11*): New configuration.
19316 * configure: Rebuilt.
19317 * pa/pa-hpux11.h: New file.
19318 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
19321 * mips.md (leasi, leadi): New patterns.
19323 * expr.c (emit_block_move): Properly handle case where one of the
19324 block move arguments has a queued increment or decrement.
19325 (clear_storage): Similarly. Fix formatting goof.
19327 1999-06-28 "David O'Brien" <obrien@NUXI.com>
19329 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
19330 semicolon from the BSD VA_LIST replacement expression.
19332 * fixinc/inclhack.sh: regen
19333 * fixinc/fixincl.x: regen
19335 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
19336 now use the fixincl program.
19338 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
19340 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
19341 case. Also make the PIC register call_used.
19343 * m68k.h (FINALIZE_PIC): Delete.
19344 * m68k.c (finalize_pic): Delete.
19346 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
19348 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
19351 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
19353 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
19355 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
19357 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
19359 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
19361 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
19363 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
19365 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
19367 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
19369 * rs6000.c (output_toc): Always use hex values for floating-point
19370 constants. Store single-precision values in upper-half of TOC
19371 entry in 64-bit mode.
19372 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
19373 to final constraints.
19374 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
19375 (fctiwz): Improve accuracy of RTL for pattern.
19377 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
19379 * expr.c (expand_expr): Allow RTL_EXPR's through the
19380 MAX_INTEGER_COMPUTATION_MODE checks.
19382 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
19384 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
19385 such that MASK_SUPPORT_ARCH is not negative.
19387 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
19389 * loop.c (verify_dominator): Properly handle ADDR_VEC and
19390 ADDR_DIFF_VEC insns that appear inside loops.
19392 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
19393 Jeff Law <law@cygnus.com>
19395 * rs6000.md (movdf_hardfloat32): Revert previous patch.
19396 Handle LO_SUM the same as offsettable in cases 1 and 2.
19397 * rs6000.c (find_addr_reg): Revert previous patch.
19399 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
19401 * system.h (strstr): New external function declaration.
19402 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
19403 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
19404 * config.in, configure: Rebuilt.
19406 1999-06-24 Tom Tromey <tromey@cygnus.com>
19408 * gcc.c (main): Read user-specified specs files after computing
19409 additional startfile_prefixes.
19411 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
19413 Revert these two patches:
19415 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19416 * loop.c (strength_reduce): When doing biv->giv conversion, update
19417 reg note of NEXT->insn.
19419 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19420 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
19422 (recombine_givs): Set ix field after sorting.
19424 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19426 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
19427 for the parts of an UNSPEC / UNSPEC_VOLATILE.
19429 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
19431 *fixinc/inclhack.def: Add fix development commentary
19432 (read_ret_type): reactivate and add selection clause
19433 (zzz_*): tweak output file name to match what is used in hackshell.tpl
19434 *fixinc/{fixincl.x|inclhack.sh}: regen
19436 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
19438 * expr.c (expand_expr): STRIP_NOPS before checking against
19439 MAX_INTEGER_COMPUTATION_MODE
19440 (check_max_integer_computation_mode): Likewise.
19442 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
19444 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
19446 1999-06-22 Jim Wilson <wilson@cygnus.com>
19448 * expr.c (store_expr): When target is a promoted subreg, return a
19449 promoted subreg as a result.
19451 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
19453 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
19455 (dwarf2out_define): Mark unused parameters appropriately.
19456 (gen_unspecified_parameters_die): Ditto.
19457 (gen_subprogram_die): Fix signed/unsigned warnings.
19458 (gen_variable_die): Ditto.
19460 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
19462 * fixinc/inclhack.def(end_else_label): combined else_label
19463 and endif_label and fixed the sed expression.
19464 *fixinc/{fixincl.x|inclhack.sh}: regen
19466 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
19468 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
19469 'x' when handling non-offsettable addresses
19471 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
19473 * final.c (shorten_branches): Don't try to split an insn that has
19476 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
19478 * config/mips/mips.c (symbolic_expression_p): New function.
19479 (mips_select_rtx_section): Put symbolic expressions in the
19480 data section, not the read-only data section.
19482 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
19484 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
19486 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
19488 * collect2.c (main): Log frame table count.
19489 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
19490 (scan_prog_file) [COFF]: Handle frame tables.
19492 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
19493 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
19494 * alpha/elf.h: Undef them again.
19495 * alpha/vms.h: Remove their definitions.
19497 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19499 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
19500 remove the clobber of r0 and change the REG_UNUSED note to
19503 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
19505 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
19506 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
19507 fits in HOST_WIDE_INT and one uses union to access a long constant
19510 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
19512 * sparc.c (sparc_override_options): Don't allow profiling for
19513 code models other than medlow.
19514 (sparc_function_profiler): New function from old FUNCTION_PROFILER
19515 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
19516 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
19517 (sparc_block_profiler): Likewise.
19518 (sparc_function_block_profiler_exit): Likewise.
19519 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
19520 (FUNCTION_BLOCK_PROFILER): Likewise.
19521 (BLOCK_PROFILER): Likewise.
19522 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
19523 (MCOUNT_FUNCTION): New.
19524 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
19525 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
19526 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
19527 (MCOUNT_FUNCTION): New.
19528 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
19529 (BLOCK_PROFILER): Delete.
19530 (MCOUNT_FUNCTION): New.
19532 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
19534 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
19536 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19538 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19541 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19544 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19547 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19550 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
19552 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
19555 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
19557 * i386/djgpp.h (LIB_SPEC): New.
19558 (STARTFILE_SPEC): New.
19560 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
19562 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
19564 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
19567 * system.h (WSTOPSIG): New macro.
19569 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
19571 * c-pragma.c (push_alignment): Don't ignore alignments greater than
19573 (insert_pack_attributes): Take into account member natural
19576 * i386/winnt.c (exports_head): New static variable.
19577 (i386_pe_record_exported_symbol): New function.
19578 (i386_pe_asm_file_end): Use.
19579 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
19580 symbols to be emitted at end of assembly.
19581 (ASM_DECLARE_OBJECT_NAME): Likewise.
19582 (ASM_DECLARE_FUNCTION_NAME): Likewise.
19584 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
19587 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
19589 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
19592 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
19594 * haifa-sched.c (sched_analyze_1): Use free_list instead of
19595 zapping reg_last_uses directly.
19596 (sched_analyze_2, sched_analyze_insn): Likewise.
19597 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
19599 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
19601 * rs6000.md (movdf_hardfloat32): Use worst case insn length
19602 attributes for cases 1 and 2.
19604 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
19606 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
19609 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
19611 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
19613 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
19615 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
19616 PIC_OFFSET_TABLE_REGNUM for general alloaction.
19617 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
19618 must be stacked if it is used for PIC accesses.
19619 * arm.c (use_return_insn): Handle PIC register specially.
19620 (output_return_instruction): Likewise.
19621 (output_func_{prologue,epilogue}): Likewise.
19622 (output_expand_prologue): Likewise.
19624 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
19625 (*strsi_predec): Renamed from *strqi_predec.
19626 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
19627 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
19629 * arm.c (arm_override_options): Remove warning about PIC code
19630 not being supported.
19632 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
19634 * rs6000.c (find_addr_reg): New function.
19635 * rs6000.h (find_addr_reg): Declare.
19636 (offsettable_addr_operand): Delete.
19637 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
19638 from and stores to GPRs.
19640 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
19642 * alpha.c (alpha_expand_block_move): Use get_insns rather than
19643 gen_sequence as argument to emit_no_conflict_block.
19645 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19647 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
19648 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
19649 *fixinc/fixincl.x: regen
19650 *fixinc/inclhack.sh: regen
19652 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
19654 * added support for -mpcrel (PC relative addressing for m68k)
19655 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
19656 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
19657 * m68k.c (print_operand_address): Handle 32-bit PIC case.
19658 (comments for general_src_operand): Add some explanation
19659 about EXTRA_CONSTRAINTS.
19660 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
19661 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
19662 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
19663 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
19664 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
19665 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
19666 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
19667 if not already set.
19668 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
19669 * m68k.h (TARGET_PCREL): New target flag.
19670 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
19671 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
19672 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
19673 contains a SYMBOL_REF. Relax this constraint during reload, since
19674 we want to use the predicates, not reload's built-in concept of a
19675 valid memory address, to control what insns need reloading.
19676 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
19677 operands (essentially 'g', 'm', and 's' under normal circumstances).
19678 * m68k.c (print_operand): Cause printing of pc-relative addresses
19679 to include pc register.
19680 (print_operand_address): Ditto.
19681 (general_src_operand): Accept operands that are not only
19682 general_operands, but are also valid when used as a pc-relative
19684 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
19685 (memory_src_operand): Similar, for memory_operands.
19686 (pcrel_address): New predicate to accept the special case of a
19687 pc-relative address.
19688 * m68k.md (many patterns): Rewrite common SImode, HImode, and
19689 QImode insns to accept *_src_operand instead of *_operand where
19690 pc-relative operands can fit. For example, a pc-relative operand
19691 can be used as a memory source operand for addsi3, but not as a
19692 memory destination.
19693 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
19695 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
19697 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
19698 .thumb_set pseudo op to mark aliases of thumb functions.
19700 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
19702 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
19703 preference to ASM_OUTPUT_DEF, if it is defined.
19705 * tm.texi: Document new, optional target macro
19706 ASM_OUTPUT_DEF_FROM_DECLS.
19708 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19710 * fixincludes: ISCNTL patch
19711 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
19712 (dgux_int_varargs): new for DG/UX
19713 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
19715 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
19717 * invoke.texi (ia32 options): Fix typo.
19719 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19721 * loop.c (strength_reduce): When doing biv->giv conversion, update
19722 reg note of NEXT->insn.
19724 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
19726 * loop.c (move_movables): Note issues with replacing REGs with
19728 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
19730 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
19732 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
19734 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
19735 the reference to `mcount' was not correct for the ELF on FreeBSD.
19737 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19739 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
19742 (recombine_givs): Set ix field after sorting.
19744 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
19746 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
19747 to safe to extract a subword out of a REG.
19749 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19751 * sh.md (mulsi3): Don't add a no-op move at the end.
19753 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19755 * cse.c (cse_insn): Don't put hard register source into tables for
19756 the last insn of a libcall.
19758 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19760 * loop.c (strength_reduce): Insert sets of derived givs at every
19761 biv increment, even if it's the only one.
19763 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19765 * dwarfout.c (add_incomplete_type): New fn.
19766 (output_type): Call it.
19767 (retry_incomplete_types): New fn.
19768 (dwarfout_finish): Call it.
19770 From Eric Raskin <ehr@listworks.com>:
19771 (output_type): Output types for bases.
19773 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19775 * mips.c (mips_output_conditional_branch): Add `break'
19776 between `default' label and `close braces'.
19778 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
19780 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
19781 specifications and make it realistic.
19782 (LIB_SPEC): Likewise.
19784 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
19786 * config/mips/mips.c (mips_secondary_reload_class): Check for
19787 (PLUS (SP) (REG)) and return appropriate register class.
19788 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
19789 Handle (PLUS (SP) (REG)).
19790 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
19791 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
19792 of emit_insn for tablejump.
19794 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
19796 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
19797 asm_fprintf format string by itself.
19798 (output_function_profiler): Likewise.
19800 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
19802 * combine.c (simplify_logical, case AND): Only call
19803 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
19804 or the constant is positive.
19806 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
19808 * configure.in: Fix typo in rs6000-ibm-aix4 case.
19809 * configure: Regenerate.
19811 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
19813 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
19814 require a sub-version #.
19815 * configure: Rebuilt.
19817 1999-06-14 Robert Lipe (robertlipe@usa.net)
19819 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
19821 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
19823 * c-typeck.c (process_init_element): Detect excess elements in
19824 char array initializer.
19826 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19828 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
19830 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
19832 * invoke.texi (Option Summary): Add -fpermissive flag.
19834 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
19836 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
19837 that require PIC code sequences.
19839 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
19841 * configure.in: Add new target: thumb-elf.
19842 * configure: Regenerate.
19843 * config/arm/t-thumb-elf: New file: Makefile fragment for
19845 * config/arm/telf.h: New file: Header file for thumb-elf
19848 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
19850 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
19851 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
19852 initializers is some circumstances.
19854 * fixinc/inclhack.def (endif_label): Add additional selector for
19855 more bogus stuff after #endif statements.
19856 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
19858 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
19860 * i386/cygwin.h (SET_ASM_OP): Define.
19862 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
19864 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
19866 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19868 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
19871 * sh.md (ic_invalidate_line_i): Remove second alternative.
19873 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19875 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
19876 test for the presence of valid prototypes. Delete bypass expr.
19877 (ioctl_fix_ctrl): Correct the selection expression.
19878 (no_double_slash): Correct quoting rules
19879 *fixinc/fixincl.x: regen
19880 *fixinc/inclhack.sh: regen
19882 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
19884 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
19886 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19888 * rs6000.md (movsi_got_internal_mem): Delete.
19889 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
19890 (GOT_TOC_REGNUM): Delete.
19891 (PIC_OFFSET_TABLE_REGNUM): Define.
19892 (FINALIZE_PIC): Disable.
19893 * rs6000.c (rs6000_got_register): New code for fixed pic register.
19894 (rs6000_replace_regno): Delete.
19895 (rs6000_finalize_pic): Likewise.
19896 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
19898 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19900 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
19901 is a note; use <= for the compare; advance P while it is
19904 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
19906 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
19907 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
19909 * varasm.c (remove_from_pending_weak_list): Verify t->name
19910 is non-NULL before passing it to strcmp.
19912 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19914 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
19915 the typed arguments are not part of a comment
19916 (ioctl_fix_ctrl): Added a purpose comment
19917 *fixinc/fixincl.x: regenerate
19918 *fixinc/inclhack.sh: regenerate
19920 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19922 * invoke.texi: Add C4x invocation docs.
19924 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19926 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
19928 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
19930 (c4x_legitimize_reload_address): New function.
19931 * config/c4x/c4x.md: Update docs.
19933 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
19935 * fixincludes: Avoid removing '.'.
19936 * fixinc/fixinc.svr4: Likewise.
19937 * fixinc/fixinc.winnt: Likewise.
19938 * fixinc/inclhack.tpl: Likewise.
19939 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
19941 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19943 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
19945 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
19947 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
19949 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
19952 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
19954 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
19955 * configure: Regenerate.
19957 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
19959 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
19962 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
19964 * fixinc/inclhack.def (avoid_bool): Also catch
19965 "typedef [unsigned] int bool".
19966 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
19968 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
19969 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
19970 * configure: Rebuilt.
19972 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
19974 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
19975 such that we can override its definitions if necessary.
19976 (CPP_SPEC): New define. Support processor specific predefines via
19978 (CC1_SPEC): New define. Support processor specific compiler
19979 options via %(cc1_cpu).
19980 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
19983 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19985 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
19986 between sed's -e flag, and the open-quote following it.
19987 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
19989 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
19990 Jeffrey A Law (law@cygnus.com)
19992 * varasm.c (assemble_start_function): Remove the function
19993 from the pending weak decls list when we define a function.
19994 (assemble_variable): Similarly for variables.
19995 (weak_finish): Ignore items on the list with a NULL name.
19996 (remove_from_ending_weak_list); New function to "remove" an item
19997 from the pending weak declarations list.
19999 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20001 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
20003 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
20005 * c-lex.c (GETC): Redefine to call getch.
20006 (UNGETC): Redefine to call put_back.
20007 (putback_buffer): New structure type.
20008 (putback): New static structure.
20009 (getch): New function.
20010 (put_back): New function.
20011 (yylex): Replace unused bytes from bad multibyte character.
20013 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
20015 * cpplib.c (do_define): Cast `alloca' return value.
20016 (do_include, do_undef, do_pragma): Likewise.
20017 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
20019 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
20020 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
20022 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
20024 * sparc.md (abstf2): This should be an expand.
20025 (split after abstf2_notv9): Fix mode.
20026 (abstf2_hq_v9): New pattern.
20027 (abstf2_v9): Only use when no hard quad.
20028 (absdf2_v9): Fix if target is not the same as source.
20029 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
20030 Add correct output constraints.
20032 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
20034 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
20035 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
20037 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
20039 * mips.h (mips_output_conditional_branch): New function.
20040 (mips_adjust_insn_length): Likewise.
20041 (ASSEMBLER_SCRATCH_REGNUM): New macro.
20042 (ADJUST_INSN_LENGTH): Likewise.
20043 * mips.c (print_operand): Add `F' and `W' for floating-point
20044 comparison opcodes.
20045 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
20047 (mips_adjust_insn_length): New function.
20048 (mips_output_conditional_branch): New function.
20049 * mips.md (length): Adjust attribute definition to handle
20050 conditional branches. Change lengths to bytes, rather than
20051 instructions throughout. Remove length attribute from
20052 instructions whose length is four bytes, and rely on the default
20054 (dslot): Fix typo in comment.
20055 Reword conditional branch patterns to use
20056 mips_output_conditional_branch.
20058 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
20060 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
20061 (LIB_SPEC): Likewise.
20062 Link with -lprof1_r for -g/-pg.
20064 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20066 * loop.c (check_dbra_loop): Fix change of Jan 19.
20068 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
20070 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
20071 (STARTFILE_SPEC): Define, override the svr4.h version.
20072 (ENDFILE_SPEC): Likewise.
20074 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
20076 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
20077 * fixinc/fixincl.x: Regenerated.
20078 * fixinc/inclhack.sh: Regenerated.
20080 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20082 * sh.c (barrier_align): Don't return early for normal branch/barrier
20083 when optimizing for SH2.
20085 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
20087 * i386/udk.h (LINK_SPEC): Correct linker search path for
20090 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20092 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
20093 (braf_label_ref_operand): Delete.
20094 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
20095 * sh.md (casesi_jump_2): Operand1 is now the inside of a
20096 label_ref, and has no predicate.
20097 The patten has a predicate to guard against invalid substitutions.
20098 (dummy_jump): Delete.
20099 (casesi): Update use of casesi_jump_2.
20101 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20103 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
20104 *fixinc/fixincl.x: regenerate
20105 *fixinc/inclhack.sh: regenerate
20107 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
20109 * dwarf2out.c (add_incomplete_type): New fn.
20110 (gen_struct_or_union_type_die): Call it.
20111 (retry_incomplete_types): New fn.
20112 (dwarf2out_finish): Call it.
20114 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
20116 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
20117 current block starts with a CODE_LABEL and ends with a CALL and
20118 we can not find all the argument setup instructions for the CALL.
20120 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
20122 Revert this change:
20123 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20124 something is a candidate for optimize_bit_field_compare.
20126 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20128 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
20130 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
20132 * alpha.c (override_options): Thinko in last patch.
20134 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
20135 (LIB_SPEC): Recognize -pthread.
20137 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
20139 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
20140 definition in config/arm/coff.h
20141 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
20143 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20145 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
20146 fixes that need "file=xxx\n" prepended before invocation
20147 (start_fixer - new): starting the fixer process is complex enough
20148 to warrent its own routine. It prepends the "file=xxx\n" stuff.
20149 (process): uses the new routine; omit usage of putenv()
20150 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
20151 * fixinc/fixincl.x: regenerate
20153 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
20155 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
20156 and version #s (1.1 -> 2.96) as needed.
20157 * README.g77: Kill way out of date file in the toplevel directory.
20159 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
20161 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
20162 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
20163 * configure: Rebuilt.
20164 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
20165 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
20166 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
20167 (SWITCH_TAKES_ARG): Likewise.
20168 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
20169 * config/t-freebsd: Moved from config/i386/ so it can used for all
20172 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
20174 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
20176 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
20178 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
20179 * configure: Rebuilt.
20181 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
20183 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
20184 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
20185 * rs6000/rs6000.c (rs6000_file_start): Use putc.
20186 (rs6000_output_load_toc_table): Same.
20187 (output_prolog, output_mi_thunk): Same.
20188 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
20189 (ASM_GLOBALIZE_LABEL): Use putc.
20191 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
20193 * alpha.md (reload_*_help): New patterns and splitters.
20194 (reload_*): Use them.
20195 (mov[qh]i): Likewise.
20197 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
20199 * cccp.c (handle_directive): Handle backslash-newlines in quoted
20202 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
20204 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
20206 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
20208 * flow.c (mark_regs_live_at_end, insn_dead_p,
20209 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
20210 and HARD_FRAME_POINTER_REGNUM special treatment if reload
20211 hasn't run or the frame pointer is needed.
20212 * haifa-sched.c (attach_deaths): Likewise.
20213 * sched.c (attach_deaths): Likewise.
20215 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
20217 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
20218 calculate_can_reach_end returns nonzero.
20220 * configure.in (native gas tests): Search for an assembler in the
20221 same manner that the installed compiler will.
20222 * configure: Rebuilt.
20223 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
20225 * alias.c (find_base_term): Improve handling of addresses
20226 constructed from binary operations.
20228 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
20230 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
20232 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
20234 * function.h (cleanup_label, frame_offset): Declare.
20235 (tail_recursion_label, tail_recursion_reentry): Likewise.
20236 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20237 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
20238 (tail_recursion_label, tail_recursion_reentry): Likewise.
20239 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20241 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
20243 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
20245 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
20246 (MAX_OFILE_ALIGNMENT): Define.
20248 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
20250 * fixincl.c: Replace local include scheme with #includes of
20251 gansidecl.h and system.h.
20252 * procopen.c: Likewise.
20253 * server.c: Likewise.
20255 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
20257 * i386/t-dgux (EXTRA_PARTS): Add crti.o
20258 (crti.o): Add build rule and dependencies.
20259 * fixinc/fixinc.dgux: Use modified _int_varargs.h
20261 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20263 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
20264 (LIB_LINUX_SPEC): Likewise.
20265 (LIB_LINUX_SPEC): Add support for -pthread
20266 (CPP_OS_LINUX_SPEC): Likewise.
20267 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
20270 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
20272 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
20274 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
20275 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
20276 for IEEE math and CC_FCOMI.
20277 (put_jump_code): No IEEE if CC_FCOMI is set.
20279 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20281 * fold-const.c (fold_truthop): Make the field reference unsigned
20282 when converting a single bit compare.
20284 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20286 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
20288 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
20290 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
20291 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
20294 * reload.c (push_reload): Do not call remove_address_replacements
20295 when presented with identical optional reloads.
20297 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
20299 * alpha.h (MASK_FIX, TARGET_FIX): New.
20300 (MASK_*): Reorganize constants.
20301 (CPP_AM_FIX_SPEC): New.
20302 (TARGET_SWITCHES): Add FIX.
20303 (EXTRA_SPECS): Likewise.
20304 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
20305 (SECONDARY_MEMORY_NEEDED): Likewise.
20306 (REGISTER_MOVE_COST): Likewise.
20307 * alpha.c (override_options): Add FIX support. Always use
20308 ALPHA_TP_PROG for ev6.
20309 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
20310 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
20311 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
20313 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
20315 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20316 something is a candidate for optimize_bit_field_compare.
20318 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
20320 * gcc.texi (Passes): Document branch-shortening.
20321 * invoke.texi (Debugging Options): Document the fact that `-dp'
20322 outputs length information for instructions.
20324 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
20326 * flow.c: Revert previous delta.
20328 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
20330 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
20331 FRAME_POINTER_REGNUM.
20332 (mark_set_1): Ditto.
20333 (mark_used_regs): Ditto.
20335 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
20337 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
20338 (GOT_PCREL): New macro. Define to 1 if not already defined.
20339 * arm/elf.h (GOT_PCREL): Define to 0.
20340 * arm.c (arm_finalize_pic): Take into account the setting of
20343 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
20345 * output.h (STRIP_NAME_ENCODING): Provide default definition.
20346 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
20348 * flow.c (mark_set_1): Do not record BLKmode stores as dead
20349 store elimination candidates.
20351 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
20353 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
20356 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
20358 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
20359 Add use of x-aix41-gld.
20361 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
20363 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
20364 (ASM_OUTPUT_DESTRUCTOR): Define.
20366 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
20368 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
20369 last CODE_LABEL in a loop if we have previously passed a jump
20370 to the top of the loop.
20372 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
20374 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
20375 applying Philip's patch.
20377 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
20379 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
20382 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
20384 * loop.c (strength_reduce): Grow reg_single_usage as needed.
20386 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
20388 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
20389 Also remove a useless comment.
20391 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20393 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
20395 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
20397 * collect2.c (main): Only generate import or export file and add
20398 to link arguments if non-empty. Use xmalloc not alloca.
20399 (write_{export,import}_file): Delete.
20400 (write_aix_file): New function.
20401 (locatelib): Use xmalloc not malloc.
20402 (GCC_OK_SYMBOL): Do not check type if aix64.
20404 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
20406 Based on patch by Scott Bambrough and Pat Beirne:
20407 * config/arm/arm.c (making_const_table): New variable.
20408 * config/arm/arm.h (making_const_table): Declare.
20409 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
20411 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
20412 Keep track of when we are building the constant table.
20414 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
20416 * config/arm/arm.c (arm_override_options): Fix erroneous warning
20419 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
20421 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
20424 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
20426 * tm.texi (FUNCTION_ARG): Correct description of a stack element
20429 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
20431 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
20433 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20435 * rs6000.c (output_mi_thunk): Enable full support again.
20437 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20439 * sh.h (BRANCH_COST): Define.
20441 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
20443 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
20445 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
20447 * function.c (assign_stack_local): Align stack slot propertly.
20448 (assign_outer_stack_local): Likewise.
20450 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
20452 * expr.h (lang_expand_constant): Declare.
20453 * toplev.c (lang_expand_constant): Define it.
20454 * varasm.c (output_constant): Use it.
20456 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20458 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
20459 Change function definitions to K&R style.
20461 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20463 * fixinc/fixincl.c: We must not ignore SIGCLD now.
20465 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
20467 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
20468 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
20469 (several places): omit static initialization
20470 (process): use single fd, since only the read fd is used
20471 * fixinc/gnu-regex.c: define 'const' away, if not supported
20472 * fixinc/procopen.c(several places): omit static initialization
20473 * fixinc/server.c: define 'volitile' away, if not supported
20475 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20477 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
20478 asm_fprintf and %L to generate the label name.
20479 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
20480 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
20482 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
20484 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
20485 insn for a conditional jump can not be found.
20487 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
20489 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
20490 on variables in specific sections other than .sbss and .sdata.
20492 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
20494 * stmt.c (expand_return): Call start_cleanup_deferral and
20495 end_cleanup_deferral around conditional code.
20497 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20499 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
20500 filename lists. Utilizes new "krstr" AutoGen function.
20501 * fixinc/fixincl.x: Rebuilt.
20503 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
20505 * i386.c (output_float_compare): Avoid GNU-C extensions.
20507 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
20509 * version.c: Bump to distinguish mainline tree from the
20512 See ChangeLog.1 for earlier changes.