1 2000-10-30 Neil Booth <neilb@earthling.net>
3 * cppfiles.c (stack_include_file): Check for stacked contexts
5 * cpphash.h (_cpp_do__Pragma): New prototype.
6 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
8 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
9 escaped newlines if !(buffer->from_stage3).
10 (_cpp_lex_token): Warn about missing newlines iff
13 * cpplib.c (get__Pragma_string, destringize,
14 _cpp_do__Pragma): New functions.
15 (run_directive): Set output_line for _Pragma to avoid line
16 markers in output. Set from_stage3 and prevent macro expansion
17 for _Pragma and command-line options. Check buffer exhaustion.
18 (cpp_push_buffer): Don't check for stacked macro contexts, as
19 this is perfectly legitimate for _Pragma. Move the check to
20 stack_include_file instead. Set from_stage3 iff buffer is
23 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
24 unsigned. New boolean from_stage3.
25 (struct spec_nodes): Add n__Pragma.
27 * cppmacro.c (enter_macro_context): Flip sense of return value.
28 (_cpp_get_token): Handle _Pragma operator.
30 2000-10-30 Phil Edwards <pme@sources.redhat.com>
32 * gcc.texi: The C++ standard isn't "draft" anymore.
34 2000-10-30 Mark Mitchell <mark@codesourcery.com>
36 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
38 2000-10-29 Neil Booth <neilb@earthling.net>
40 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
42 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
44 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
45 fixinc/inclhack.def: Change comments mentioning C9X to refer to
48 * invoke.texi: Document that -V will only work for very similar
49 versions of driver and compiler.
51 2000-10-29 Neil Booth <neilb@earthling.net>
53 * cppmacro.c (_cpp_create_definition): Optimize the case of
54 a macro defined to itself.
56 2000-10-29 Neil Booth <neilb@earthling.net>
58 * cpplex.c (save_comment): Don't store new lines in C++ comments.
60 2000-10-29 Michael Hayes <mhayes@redhat.com>
62 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
64 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
66 * cpphash.c (cpp_forall_identifiers): Add context variable
68 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
70 (main): Call cpp_forall_identifiers with null context.
71 * cpplib.h (cpp_forall_identifiers): Update prototype.
73 * cppmain.c: Make `parse_in' and `print' static.
75 2000-10-28 Alan Modra <alan@linuxcare.com.au>
77 * c-decl.c (finish_function): Clear c_function_name_declared_p.
79 2000-10-28 Richard Henderson <rth@redhat.com>
81 * regrename.c (scan_rtx_address): Frob action, not class,
82 when trying to disable optimization.
84 2000-10-28 Mark Mitchell <mark@codesourcery.com>
86 * c-semantics.c (make_rtl_for_local_static): Don't clobber
89 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
91 * configure.in: Determine and substitute gcc_version_full.
92 * configure: Regenerate.
93 * gccbug.in: Use it to give full version. Don't allow
96 2000-10-28 Richard Henderson <rth@redhat.com>
98 * recog.c (split_all_insns): Run cleanup_subreg_operands
101 * regrename.c (regrename_optimize): Verify that all registers of
102 a multiple register mode are available.
103 (scan_rtx_address): Accept the mode of the address; all callers
106 * cpplib.c (run_directive): Fix prototype.
108 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
110 * reload.c (find_reloads): Distinguish "wins" so that we know whether
111 a given operand won because of a matching constraint or not; then use
112 that information to compute goal_alternative_matched properly.
113 * reload1.c (choose_reload_regs): Never set reload_override_in for an
116 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
117 accurate value for MULT.
118 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
119 2% or > 98% before using static branch prediction bits.
121 2000-10-28 Neil Booth <neilb@earthling.net>
125 * cpplib.c (struct answer): New.
126 (struct if_stack): Use cpp_lexer_pos rather than line and col.
127 Rename cmacro mi_cmacro.
128 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
129 IN_I): New directive and flags.
130 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
131 parse_answer, parse_assertion, find_answer): New functions.
132 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
133 (lex_macro_node): New function to replace parse_ifdef and
136 (_cpp_handle_directive): New function, combines _cpp_check_directive
137 and _cpp_check_linemarker.
139 (do_define, do_undef, parse_include, do_include, do_import,
140 do_include_next, read_line_number, do_line, do_ident, do_pragma,
141 do_pragma_once, do_pragma_poison, do_pragma_dependency):
142 Update for new token getting interface.
144 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
145 : Update for new multiple-include optimisation technique.
146 (do_elif): Don't forget to invalidate controlling macros.
148 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
149 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
150 Functions to handle assertions with the new token interface.
151 (do_assert, do_unassert): Use them.
153 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
156 (_cpp_init_stacks): Register directive names. Don't register special
159 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
160 new position recording regime.
161 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
162 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
163 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
164 (cpp_type2name): Move to cpplex.c.
166 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
167 (parse_defined): Update to handle new multiple include optimisation
168 method. Remove poisoned identifier warning.
169 (parse_assertion, TYPE_NAME): Delete.
170 (lex): Update for multiple include optimisation, removal of
171 CPP_DEFINED, to use _cpp_test_assertion for assertions and
173 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
174 (op_as_text): New function, to wrap cpp_token_as_text.
176 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
177 Update for MI optimisation.
178 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
179 segfault on diagnostic.
180 (_cpp_compare_file_date): Take a token rather than 3 args.
181 (cpp_read_file): Work correctly for zero-length files.
183 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
184 _cpp_init_hashtable and _cpp_cleanup_hashtable.
185 (cpp_lookup): Place identifiers at front of identifier pool
186 for _cpp_lookup_with_hash.
187 (_cpp_lookup_with_hash): Require identifiers to be at the front of
188 the identifier pool. Commit the memory if not already in the
191 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
192 Initialise various members of cpp_reader, memory pools, and the
194 (cpp_printer_init): Delete.
195 (cpp_cleanup): Update.
196 (struct builtin, builtin_array, initialize_builtins): Update for new
197 hashnode definition and builtin handling.
198 (cpp_start_read, cpp_finish): Don't take or initialise a
201 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
202 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
203 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
204 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
205 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
206 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
207 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
208 struct toklist, struct cpp_context, struct specnodes,
209 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
210 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
211 enum builtin_type, cpp_can_paste): New.
212 (struct cpp_token): Delete line and col members.
213 (struct cpp_buffer): New member output_lineno.
214 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
215 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
216 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
217 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
218 base_context, context, directive, mi_state, mi_if_not_defined,
219 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
220 mlstring_pos, macro_buffer, macro_buffer_len.
221 Delete members mls_line, mls_column, token_list, potential_control_macro,
222 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
223 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
224 save_parameter_spellings, need_newline, .
225 Change type of date, time and spec_nodes members.
226 Change prototypes for include and ident callbacks.
227 (struct cpp_hashnode): Change type of name. Remove union members
228 expansion and code. Add members macro, operator and builtin.
230 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
231 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
232 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
233 cpp_stop_lookahead): New prototypes.
234 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
236 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
239 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
240 ufputs): Move to cpplib.h.
241 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
242 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
243 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
244 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
245 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
246 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
247 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
248 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
249 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
250 _cpp_parse_assertion, _cpp_find_answer): Delete.
251 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
252 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
253 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
254 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
255 _cpp_handle_directive, DSC): New.
256 (struct include_file): New member defined.
258 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
259 _cpp_compare_file_date): Update.
260 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
261 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
262 _cpp_cleanup_hashtable.
264 * Makefile.in: Remove cppoutput.c.
266 * cppoutput.c: Delete
268 * fixheader.c (read_scan_file): Update for new cpp_get_token
270 (recognized_function): New argument LINE.
272 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
273 new cpp_get_token prototype.
275 * scan.h (recognized_function): Update prototype.
277 * po/POTFILES.in: Remove cppoutput.c.
279 2000-10-27 Mark Mitchell <mark@codesourcery.com>
281 * c-typeck.c (check_init_type_bitfields): Remove.
282 (constructor_incremental): Likewise.
283 (struct constructor_stack): Remove incremental bit.
284 (struct initializer_stack): Likewise.
285 (start_init): Don't play with constructor_incremental.
286 (finish_init): Likewise.
287 (really_start_incremental_init): Likewise.
288 (push_init_level): Likewise.
289 (pop_init_level): Likewise.
290 (output_init_level): Likewise.
291 (output_pending_init_elements): Likewise.
293 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
295 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
296 Improve error messages. Correct parsing of
297 #pragma pack(pop [,id]). Do not check the user-supplied
298 alignment if we're popping.
300 * gcc.dg/pack-test-1.c: New test case.
301 * gcc.dg/pack-test-2.c: New test case.
302 * gcc.dg/pack-test-1.h: New file.
304 2000-10-27 Neil Booth <neilb@earthling.net>
308 2000-10-27 Kelley Cook <kelley.cook@home.com>
310 * invoke.texi: Document -mintel-syntax
312 2000-10-27 Richard Henderson <rth@redhat.com>
314 * invoke.texi: Document -frename-registers. Add it to -O3.
315 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
316 (enum dump_file_index, dump_file): Update order.
317 (main): Set flag_rename_registers at -O3.
319 2000-10-27 Richard Henderson <rth@redhat.com>
321 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
322 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
323 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
324 * config/alpha/alpha.md (call_osf_1): Use it.
325 (call_value_osf_1): Likewise.
327 * config/ia64/ia64.c: Revert 10-23 patch.
328 (ia64_hard_regno_rename_ok): New.
329 * config/ia64/ia64-protos.h: Declare it.
330 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
332 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
333 Richard Henderson <rth@redhat.com>
335 * regrename.c: Rewrite to handle multi-register modes and
336 cond_exec instructions.
337 * Makefile.in (regrename.o): Update dependancies.
338 * recog.h (struct operand_alternative): Add is_address.
339 * recog.c (preprocess_constraints) [case 'p']: Set it.
341 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
343 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
344 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
345 top level. Kill oldstyle_subdirs. Do not include
346 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
347 $outputs. Do not run configure.lang from config.status.
348 Rearrange warning-flag logic to correspond to what the
349 makefile wants. Put special vax stage1 options in
350 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
351 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
352 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
353 switch is given, nothing otherwise.
354 * configure.lang: Delete.
356 * Makefile.in: Expunge all traces of extra_c_objs,
357 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
358 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
359 warning options via a three level scheme so that -pedantic and
360 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
361 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
362 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
363 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
364 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
365 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
366 generation rules. Wrap all rules that change the current
367 directory in parentheses; pmake doesn't spawn a new shell for
368 each command. Expunge all references to $(P). When one
369 command depends on another and they're run all at once, use &&
370 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
371 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
374 * objc/Make-lang.in: Wrap all rules that change the current
375 directory in parentheses. Expunge all references to $(P).
376 When one command depends on another and they're run all at
377 once, use && to separate them, not ;. Add OUTPUT_OPTION to
378 all object-file generation rules. Delete obsolete variables.
379 * objc/Makefile.in: Delete.
381 2000-10-27 Jakub Jelinek <jakub@redhat.com>
383 * calls.c (expand_call): If sibcall_failure is set during pass 1,
384 clear tail_call_insns as well.
386 2000-10-27 Nick Clifton <nickc@redhat.com>
388 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
391 2000-10-26 Richard Henderson <rth@redhat.com>
393 * calls.c (expand_call): Supress sibcall if we have a
394 BLKmode return in registers.
396 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
398 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
401 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
403 * tree.c (make_node, case 't'): Set alignment to that of
405 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
407 2000-10-25 Mark Mitchell <mark@codesourcery.com>
409 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
410 * configure.in (enable-libstdcxx-v3): Arrange to have
411 HAVE_LIBSTDCXX_V3 substituted into the output files.
413 2000-10-25 Richard Henderson <rth@redhat.com>
415 * recog.c (constrain_operands): Initialize which_alternative
416 before no alternatives early exit.
418 * cse.c (find_comparison_args): Check that we can reverse a
419 comparison if needed before accepting the substitution.
421 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
423 * simplify-rtx.c (simplify_relational_operation): Sign extend
424 low words before sign extending to high words.
426 2000-10-25 Nick Clifton <nickc@redhat.com>
428 * config/mcore/mcore.c: Include config.h before system.h.
430 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
432 * config/mcore/mcore.md (return): Force function epilogue to
433 always be generated to work around epilogue suppression bug in
436 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
438 * c-decl.c (grokdeclarator): Move warning for qualified void
439 return types with -pedantic to when the function type is
440 constructed. At -W, warn in general for qualified function return
441 types, except for volatile void.
442 * invoke.texi: Document this new warning at -W.
444 2000-10-25 Neil Booth <neilb@earthling.net>
446 * cpp.texi: Update with implementation-defined behavior and
449 2000-10-25 Jakub Jelinek <jakub@redhat.com>
451 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
452 incomplete type force it into alias set 0.
454 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
456 * alias.c: Include basic-block.h.
457 (loop_p): New function.
458 (mark_constant_function): Use it.
459 * Makefile.in (alias.o): Update dependencies.
461 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
463 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
466 2000-10-24 Jim Wilson <wilson@cygnus.com>
468 * expmed.c (store_bit_field): Move integer pun code down after
469 code that calls emit_move_insn for entire register move.
470 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
471 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
473 2000-10-24 Richard Henderson <rth@cygnus.com>
475 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
476 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
478 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
480 * gcse.c (cprop_insn): do not propagate constants into jump_insn
481 for machines with CC0 more than once.
483 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
485 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
486 pseudos just like memory.
488 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
490 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
491 when deleting libcall sequence collapsed to a single instruction.
493 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
495 * expr.c (do_store_flag): Don't crash if either side of a
496 comparison is error_mark_node.
498 2000-10-24 Jakub Jelinek <jakub@redhat.com>
500 * sibcall.c (purge_mem_unchanging_flag): New function.
501 (optimize_sibling_and_tail_recursive_calls): Call it.
503 2000-10-24 Philipp Thomas <pthomas@suse.de>
505 * Makefile.in (check-po): New target for doing checks in the po
506 subdir if all languages configured.
507 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
508 configure if NLS is enabled.
509 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
510 otherwise leave empty.
511 * configure: Regenerate.
513 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
515 * i386.c (print_operand): Handle new 'A' formatting code.
516 387 opcodes need suffixes even with -mintel-syntax.
517 Check for explicit size override (codes 'b', 'w' and 'k').
518 (print_operand_address): Check if register prefix is needed when
519 emitting `ds' segment override.
520 * i386.h: Add comment about new 'A' formatting code.
521 * i386.md (jump and call patterns): Emit absolute references using %A.
523 2000-10-23 Richard Henderson <rth@cygnus.com>
525 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
526 output registers as fixed.
527 (ia64_function_epilogue): Undo output fixation.
529 2000-10-23 Richard Henderson <rth@cygnus.com>
531 * config/alpha/alpha.md: Add names for all unnamed insns; use
532 define_insn_and_split in some obvious places.
534 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
535 (zero_extendqisi2, zero_extendqidi2): Likewise.
536 (zero_extendhisi2, zero_extendhidi2): Likewise.
537 (abs splitters): Fix match_scratch operand number.
538 (bcc_reverse): Swap pc & label instead of non-canonical compare.
540 2000-10-23 Jim Wilson <wilson@cygnus.com>
542 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
544 * ia64.md (cmpsi_adjusted): Use %r3.
545 (cmpdi_adjusted): Likewise.
547 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
549 * config/i386/att.h (ASM_FILE_START): Define.
551 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
553 * config/i386/linux.h (ASM_FILE_START): Define.
555 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
557 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
558 since this (only) drags in a crt0.o reference that the .ld files
561 2000-10-23 Geoff Keating <geoffk@cygnus.com>
563 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
564 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
565 reloads just like an RELOAD_FOR_OUTPUT would.
567 * local-alloc.c (update_equiv_regs): Add an abort(). When
568 deleting or moving insns, update reg_equiv[regno].init_insns.
570 2000-10-23 Mark Mitchell <mark@codesourcery.com>
572 * c-tree.texi: Improve documentation for IF_STMTs and related
573 conditional statements.
575 2000-10-22 Mark Mitchell <mark@codesourcery.com>
577 * expr.c (do_preexpand_calls): Remove.
578 (same_from_p): Don't use CALL_EXPR_RTL.
579 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
580 (preexpand_calls): Remove.
581 * tree.c (first_rtl_op): Remove CALL_EXPR case.
582 (unsave_expr_1): Likewise.
583 * tree.def (CALL_EXPR): Give it only two slots.
584 * tree.h (CALL_EXPR_RTL): Remove.
586 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
588 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
589 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
592 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
594 * calls.c (combine_pending_stack_adjustment_and_call): Don't
595 adjust stack when unadjusted_alignment ends up as zero.
597 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
599 * fixinc/genfixes: Remove EGCS reference.
600 * install.texi: Remove EGCS reference.
601 * INSTALL: Regenerate.
603 2000-10-22 Mark Mitchell <mark@codesourcery.com>
605 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
607 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
609 * diagnostic.c: Remove EGCS reference in comment.
611 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
613 * loop.c (strength_reduce): Fix error in last change.
615 2000-10-20 David Edelsohn <edelsohn@gnu.org>
617 * Makefile.in (SHLIB_NM_FLAGS): New.
618 (libgcc.mk): Pass it.
619 * mklibgcc.in (libgcc.map): Use it.
621 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
622 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
624 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
626 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
628 * sparc.c (load_pic_register): Delete unused varaible.
630 * libgcc2.c (__addvsi3): Delete unused variable.
632 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
633 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
634 __negvdi2): Prototype.
636 * ssa.c (apply_delayed_renames): Avoid undefined operation.
638 * toplev.c (display_target_options): Make static to match
639 prototype. Delete empty declaration.
641 2000-10-20 Tom Tromey <tromey@cygnus.com>
643 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
644 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
646 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
648 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
650 (expand_expr_unaligned, case ARRAY_REF): Check that index is
651 a constant before comparing it; use tree_low_cst.
652 * tree.c (save_expr): Set TREE_READONLY.
653 (substitute_expr): Return inside of NON_LVALUE_EXPR.
654 (build, build1): Set TREE_READONLY if all operands are.
655 (build_index_type): If upper bound is a negative number, lower
656 bound is zero and sizetype is unsigned, use upper bound of one and
659 2000-10-20 David Edelsohn <edelsohn@gnu.org>
661 * gcc.c (process_command, main): Use "because" instead of
662 "since" in error messages.
664 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
666 * stor-layout.c (compute_record_mode): Use tree_low_cst.
667 Don't use mode of field for record unless sizes are the same.
668 (layout_type, case ARRAY_TYPE): Remove special bounds handling
669 previously added for Ada; also change to using host_integerp
672 * loop.c (strength_reduce): Show when new register made for
673 giv is known to be a pointer and its aligment if so and known.
674 (loop_dump_aux): Show VERBOSE parameter unused.
676 * gcse.c (set_hash_table_size): Now unsigned.
677 * sdbout.c (template_name_p): Add "const" to avoid warnings.
678 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
679 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
680 (sdbout_end_epilogue): Remove variable NAME.
681 * system.h (getopt): Add default definition.
682 * config/alpha/alpha.c (print_operand): Don't continue processing
684 (summarize_insn): Avoid use of UL in constant.
686 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
688 * fold-const.c (force_fit_type): Unsigned values can overflow
689 if they are sizetype.
690 (int_const_binop): Don't use cache if overflows.
692 2000-10-20 Richard Henderson <rth@cygnus.com>
694 * function.c (locate_and_pad_parm): Zero alignment_pad.
696 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
697 perform substitutions, and apply_change_group to see if it worked.
699 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
701 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
703 * combine.c (struct undo): Change int to unsigned int.
704 (do_SUBST_INT): Args are unsigned int.
705 (make_extraction, force_to_mode): Use proper type when forming mask.
706 (make_field_assignment): Likewise.
708 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
710 * c-common.c (check_format_info_recurse): Extract string constant
711 initializers from non-volatile constant arrays and check them as
713 * c-typeck.c (decl_constant_value): Don't check pedantic or check
714 for DECL_MODE (decl) != BLKmode.
715 (decl_constant_value_for_broken_optimization): New function which
716 includes these checks.
717 (default_conversion, convert_for_assignment, digest_init): Use
718 decl_constant_value_for_broken_optimization instead of
721 2000-10-20 Mark Mitchell <mark@codesourcery.com>
723 * tree.h (DECL_ALIGN_UNIT): New macro.
725 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
727 * config/avr/avr-protos.h (avr_output_bld): New.
728 (out_shift_with_cnt): Add t_len argument.
729 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
730 (output_movqi, output_movhi, output_movsisf): Optimize loading
731 any constant with exactly one bit set to NO_LD_REGS.
732 (out_shift_with_cnt): Optimize output code for size or speed,
733 depending on optimize_size. Handle small shift counts as well
734 (if not hand-optimized in ?sh??i3_out). Shifts can be done
735 with or without a scratch register, with help of __tmp_reg__
736 or __zero_reg__ if necessary. Add T_LEN argument to pass the
737 length of TEMPLATE in words, return total insn length in *LEN.
738 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
739 out_shift_with_cnt to work with the above change.
740 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
741 lshrsi3_out): Likewise. Optimize more known shift count cases.
742 Remove cases already well optimized in out_shift_with_cnt.
743 (avr_output_bld): New function.
744 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
745 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
746 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
747 Add reload_completed to insn condition - only for peepholes.
748 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
749 in a register or memory.
750 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
751 Do not require a scratch register.
752 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
753 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
754 Optimize shifts by known count using a scratch register, but only
755 if one is still available after register allocation.
757 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
759 * t-vax: New file. Don't build modules from libgcc1.c.
761 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
763 * alias.c: (mark_constant_function): Don't check pure functions.
764 Initialize and end alias analysis.
765 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
766 Don't make a special exception for recursion. Handle
767 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
768 unless it's volatile.
770 * local-alloc.c (equivalence): New structure.
772 (contains_replace_regs): Remove array and use
774 (memref_referenced_p): Likewise.
775 (no_equiv): Likewise.
776 (update_equiv_regs): Likewise.
778 (equiv_init_varies_p,
779 equiv_init_movable_p): New functions.
780 (update_equiv_regs): Use them. Use rtx_varies_p
781 instead of function_invariant_p. Process insns
782 from end to beginning. Allow a REG_EQUIV insn
783 within the same loop as a use to be moved, also
784 allow it to be moved out of a loop. Update
785 REG_DEAD notes when substituting into an insn.
787 2000-10-19 Jim Wilson <wilson@cygnus.com>
789 * c-decl.c (start_decl): Check for error_mark_node type before using
791 (finish_decl): Likewise. Don't give an error if decl type is
792 already error_mark_node.
794 * haifa-sched.c (compute_trg_info): Add explanatory comments.
795 New local update_blocks. Use update_blocks to remove duplicates
796 when computing update blocks. Check for bblst_table overflow.
797 (schedule_block): Add explanatory comment. Reduce bblst_size by
799 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
802 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
804 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
806 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
808 * expmed.c: Minor corrections in comments.
809 * invoke.texi: Added desciption for the new option -ftrapv.
811 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
813 * libgcc2.c: Added the missing #endif.
815 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
817 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
819 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
821 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
822 Use smulv_optab for -ftrapv.
823 (expand_mult_highpart): Use unsigned multiply.
824 (expand_divmod): Special-case division by -1.
825 For EXACT_DIV_EXPR, do right shift first, then the multiply.
826 For complex divide, use abs with unsigned result.
827 * expr.c (force_operand): Use unsigned multiply.
828 (expand_expr): Use overflow-trapping optabs for signed types if
830 If flag_trapv, don't generate a recursive call with EXPAND_SUM
831 if the type is signed and the original call wasn't EXPAND_SUM or
833 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
834 (negv_optab, absv_optab): Declare.
835 * flags.h (flag_trapv): Declare.
836 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
837 smulv_optab, sdivv_optab, negv_optab and absv_optab.
838 (gen_insn): Interpret '$P' as requiring an integer mode,
839 including partial integer modes.
840 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
841 (product_cheap_p): Use unsigned expand_mult.
842 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
843 (negv_optab, absv_optab): Define.
844 (expand_binop): Use overflow-trapping optabs for signed types if
846 Handle negv_optab libe neg_optab.
847 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
848 Use overflow-trapping optabs for signed result if flag_trapv.
849 (expand_complex_abs): Use overflow-trapping optabs for signed types if
851 Don't open-code complex absolute-value operation for flag_trapv.
852 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
853 sdivv_optab, negv_optab and absv_optab.
854 * toplev.c (flag_trapv): Define.
855 (lang_independent_options f_options): Include flag_trapv.
856 * tree.h (TYPE_TRAP_SIGNED): Define.
857 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
858 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
860 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
861 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
863 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
864 David V. Henkel-Wallace <gumby@cygnus.com>
866 * config/i386/t-netware: Bring in from the Red Hat tree.
867 * config/i386/netware.h: Likewise.
868 * config/netware.h: Likewise.
869 * config/rs6000/netware.h: Delete.
870 * configure.in: Add i[34567]86-*-netware.
871 * configure: Hand-edit to match configure.in change.
873 2000-10-18 Mark Mitchell <mark@codesourcery.com>
875 * c-common.h (flag_no_builtin): Declare.
876 (flag_no_nonansi_builtin): Likewise.
877 (c_common_nodes_and_builtins): Change prototype.
878 * c-common.c (flag_no_builtin): New variable.
879 (flag_no_nonansi_builtin): Likewise.
880 (c_common_nodes_and_builtins): Remove parameters. Adjust
882 * c-decl.c (flag_no_builtin): Remove.
883 (flag_no_nonansi_builtin): Likewise.
884 (init_decl_processing): Adjust call to
885 c_common_nodes_and_builtins.
887 2000-10-18 Marc Espie <espie@openbsd.org>
889 * tm.texi (LIBGCC_SPEC): Synch with reality.
891 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
893 * c-common.c (check_format_types): Check for writing through a
894 NULL pointer argument.
896 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
898 * tm.texi (Exception Region Output): Document
899 DWARF_CIE_DATA_ALIGNMENT.
900 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
902 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
903 DWARF_CIE_DATA_ALIGNMENT.
905 2000-10-18 Michael Hayes <mhayes@cygnus.com>
907 * basic-block.h (struct loop): Delete fields pre_header_root
908 and pre_header_trace and replace with pre_header_edges
909 and num_pre_header_edges.
910 * flow.c (flow_loop_dump): Dump pre_header_edges.
911 (flow_loops_free): Free pre_header_edges.
912 (flow_loop_pre_header_scan): Calculate pre_header_edges.
914 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
916 * contrib.texi: Update references to steering committee members
917 and Jeff Law's entry.
919 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
921 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
922 (maybe_read_dollar_number, check_format_info_main): Use them for
923 pedantic warning messages.
925 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
927 * c-common.c (check_format_info_main): Minor cleanup: move
928 variables into inner scopes; initialize declarations where
929 appropriate; don't hardcode "scanf" name on warning for zero
932 2000-10-17 Mark Mitchell <mark@codesourcery.com>
934 * c-common.c (back_end_hook): New variable.
935 * c-common.h (back_end_hook): Declare it.
936 * c-lang.c (finish_file): Use it.
938 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
941 2000-10-18 Jan Hubicka <jh@suse.cz>
943 * i386.c (ix86_comparison_operator, put_condition_code,
944 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
945 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
946 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
947 * i386.md (adddi and negdi splitter): Use CCRCmode.
948 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
949 (subsi3_carry): add '*'
950 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
951 (cmp to add peep2): Use CCRCmode; swap operands.
953 2000-10-18 Kazu Hirata <kazu@hxi.com>
955 * h8300.c: Fix a comment typo.
956 (round_frame_size): New.
957 (compute_saved_regs): Likewise.
960 (push_order): Remove.
961 (pop_order): Likewise.
962 (function_prologue): Rearrange code for readability.
963 (function_epilogue): Likewise.
965 * config/h8300/h8300.md: Remove an unnecessary sign_extend
966 expander that is used when not optimizing. Output a tab after
969 * reorg.c: Fix formatting.
971 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
973 * reload1.c (move2add_note_store): Check for simple
974 auto-inc in destination.
976 2000-10-17 Michael Chastain <chastain@redhat.com>
978 * config/i386/i386-aout.h: define INT_ASM_OP.
980 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
982 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
984 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
986 * i370.md: Fix spelling typo.
988 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
990 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
991 Fixes execute/20001017-1.c on powerpc-linux-gnu.
993 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
994 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
997 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
998 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
1000 * rs6000/aix.h: ...to here.
1001 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
1003 2000-10-17 Jakub Jelinek <jakub@redhat.com>
1005 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
1007 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
1008 sure linker can relax even the delay slot mov %g1,%o7, fix output
1011 2000-10-17 Kazu Hirata <kazu@hxi.com>
1013 * config/h8300/h8300.md: Remove an unnecessary zero_extend
1014 expander that is used when not optimizing. Output a tab after
1015 each assembly insns.
1017 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
1019 * gcc.c: New options --target-help.
1020 (process_command): Added code to parse this new option.
1021 * toplev.c (display_target_options): New function to support the
1023 * cppinit.c (new_pending_directive) : New option OPT_target__help.
1024 (cpp_handle_option): Support this new option.
1025 * invoke.texi: Added notes about --target-help option.
1027 2000-10-17 Graham Stott <grahams@redhat.com>
1029 * config/i386/i386.md (testqi_1): Add missing operand prefix
1031 * config/i386/i386-protos.h: Add missing prototype.
1033 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
1035 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
1036 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
1037 using -mintel-syntax.
1039 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1041 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
1042 (format_types): Use it for printf.
1043 (maybe_read_dollar_number): Add parameter for the kind of format
1044 involved. Warn for multiple use for arguments if this is
1045 inappropriate for the kind of format involved.
1046 (check_format_info_main): Update calls to maybe_read_dollar_number.
1048 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1050 * inclhack.def (hpux_maxint): Also apply fix to values.h.
1051 * fixincl.x: Rebuilt.
1053 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
1055 * genrecog.c (write_switch): Return the first condition that needs a
1058 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1060 * c-tree.h (warn_sequence_point): Move declaration to...
1061 * c-common.h (warn_sequence_point): ... here.
1062 * c-decl.c (warn_sequence_point): Move definition to...
1063 * c-common.c (warn_sequence_point): ... here.
1064 (struct reverse_tree): New.
1065 (reverse_list, reverse_max_depth): New static variables.
1066 (build_reverse_tree, common_ancestor, modify_ok
1067 verify_sequence_points): New functions.
1068 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1069 * c-typeck.c (check_modify_expr): Delete.
1070 (build_modify_expr): Don't call it.
1072 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1074 * c-common.h (warn_missing_format_attribute): New variable.
1075 * c-decl.c (warn_missing_format_attribute): New variable.
1076 (c_decode_option): Decode -Wmissing-format-attribute and
1077 -Wno-missing-format-attribute.
1078 * c-common.c (check_function_format): If
1079 -Wmissing-format-attribute, give a warning where a vprintf or
1080 vscanf function is called by a function without its own printf or
1082 * toplev.c (documented_lang_options): Add
1083 -Wmissing-format-attribute.
1084 * invoke.texi: Document -Wmissing-format-attribute.
1086 2000-10-17 Marc Espie <espie@openbsd.org>
1088 * invoke.texi (-shared): Insist on requiring code generation flags
1089 to be used along with -shared, and document the subtle failure that
1090 may occur otherwise.
1092 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1094 * pa.md (return_internal): Move `use' after `return'.
1096 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1098 * machmode.def: Correct comment.
1100 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1102 * print-rtl.c (print_rtx_head): Constify.
1103 * rtl.h (print_rtx_head): Similarly.
1105 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1106 Constify char * return value.
1108 (output_64bit_and, output_64bit_ior): Constify char * return value.
1109 (pa_can_combine_p): Make static.
1110 (function_arg): Decorate unused `named' argument. Fix comment typo.
1111 (function_arg_partial_nregs): Decorate unused `named' argument.
1113 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1115 * c-common.c (format_check_results): New structure.
1116 (finish_dollar_format_checking): Adjust to take a
1117 format_check_results * parameter.
1118 (check_format_info, check_format_info_recurse,
1119 check_format_info_main): Split check_format_info into three
1120 functions, the main checking going in check_format_info_main.
1121 Recurse when any reduction of the format string argument towards a
1122 string literal is done; go down both branches of a conditional
1123 expression. Don't warn for extra format arguments or empty format
1124 strings if they only occur in some branches of a conditional
1127 2000-10-16 Kazu Hirata <kazu@hxi.com>
1129 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1131 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1133 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1135 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1137 * i386.md (*movsi_or): Switch operand order for intel syntax.
1139 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1143 * gcc.texi (Contributing): Update.
1145 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1147 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1148 appropriate assembler dialect.
1150 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1152 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1154 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1156 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1157 constants 1 and 2 to NO_LD_REGS.
1159 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1161 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1163 * objc/Make-lang.in (objc-parse.c): Likewise.
1165 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1167 * arm.c: Include obstack.h
1168 (minipool_obstack, minipool_startobj): Define.
1169 (arm_add_gc_roots): Initialize them.
1170 (create_fix_barrier): Use our new obstack.
1171 (push_minipool_barrier, push_minipool_fix): Likewise.
1172 (arm_reorg): Release obstack memory.
1174 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1176 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1177 (prologue, exception_receiver, builtin_setjmp_receiver): New
1179 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1180 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1181 (load_pic_register): New prototype.
1182 * config/sparc/sparc.c (pic_setup_code): Remove.
1183 (finalize_pic): Rename to...
1184 (load_pic_register): ...this function.
1185 Don't look for nonlocal_goto_receivers and emit pic setup code
1186 directly. Don't check current_function_uses_pic_offset_table.
1188 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1190 * tree.h (struct obstack): Declare.
1192 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1195 * Makefile.in (ggc-callbacks.o): Remove target.
1196 (flow.o): Depend on GGC_H.
1197 * alias.c (init_alias_analysis):
1198 Remove ggc_p conditionals.
1199 (end_alias_analysis): Likewise.
1200 * basic-block.h (init_flow): New function.
1201 (allocate_reg_life_data): Declare.
1202 * bb-reorder.c (function_obstack): Replace with ...
1203 (flow_obstack): ... new variable.
1204 (fixup_reorder_chain): Use it.
1205 * c-decl.c (ggc_p): Remove.
1206 (caller-save.c): Don't call oballoc/obfree.
1208 undobuf): Remove storage.
1209 (try_combine): Don't call oballoc.
1210 (undo_all): Don't call obfree.
1211 * cse.c (insert): Use xmalloc, not
1213 (cse_main): Adjust accordingly.
1214 * dwarf2out.c (save_rtx): Remove
1216 (dwarf2out_init): Remove ggc_p conditionals.
1217 * emit-rtl.c (rtl_obstack): Remove.
1218 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1219 (make_insn_raw): Likewise.
1220 (emit_insn_before): Likewise.
1221 (emit_insn_after): Likewise.
1222 (emit_insn): Likewise.
1223 (gen_sequence): Likewise.
1224 (copy_insn_1): Remove handling of `b' RTL components.
1225 (init_emit_once): Remove ggc_p conditionals.
1226 * except.c (create_rethrow_ref): Don't fool with obstacks.
1227 (add_partial_entry): Likewise.
1228 (call_get_eh_context): Likewise.
1229 (begin_protect_partials): Likewise.
1230 (protect_with_terminate): Likewise.
1232 (plus_constant_wide): Likewise.
1233 * expr.c (init_expr_once):
1235 (emit_block_move): Likewise.
1236 (clear_storage): Likewise.
1237 (expand_expr): Likewise.
1238 * flow.c (function_obstack): Remove.
1239 (flow_obstack): New variable.
1240 (flow_firstobj): Likewise.
1241 (create_base_block): Use the flow_obstack.
1242 (split_block): Likewise.
1243 (split_edge): Likewise.
1244 (calculate_global_regs_live): Likewise.
1245 (allocate_bb_life_data): Make it static. Likewiwse.
1246 (init_flow): New function.
1247 (size_int_type_wide): Remove ggc_p conditionals.
1249 (push_function_context_to): Don't call save_tree_status.
1250 (pop_function_context_from): Or restore_tree_status.
1251 (assign_stack_local_1): Don't call push_obstacks.
1252 (find_fixup_replacement): Use xmalloc.
1253 (fixup_var_refs_insns): Free the storage.
1254 (insns_for_mem_walk): Don't mess with obstacks.
1255 (instantiate_decls): Likewise.
1256 (trampoline_address): Likewise.
1257 (expand_function_end): Likewise.
1258 * function.h (sturct function):
1259 Remove obstack-related variables.
1260 (save_tree_status): Don't declare.
1261 (restore_tree_status): Likewise.
1262 * gcse.c (compute_can_copy):
1263 Don't call oballoc/obfree.
1264 * genattrtab.c (operate_exp): Remove
1266 (simplify_cond): Likewise.
1267 (simplify_test_exp): Don't mess with obstacks.
1268 (optimize_attrs): Likewise.
1269 * gengenrtl.c (gendef): Don't include
1271 * ggc-callbacks.c (ggc_p): Remove.
1272 * ggc-none.c (ggc_p): Remove.
1273 * ggc.h (ggc_p): Don't declare.
1274 * integrate.c (save_for_inline): Don't mess with obstacks.
1275 (integrate_decl_tree): Likewise.
1276 (output_inline_function): Likewise.
1278 (init_EXPR_INSN_LIST_cache): Likewise.
1279 * loop.c (temp_obstack):
1281 (rtl_obstack): Likewise.
1282 (init_loop): Don't mess with obstacks.
1283 (reg_address_cost): Free BIVs and GIVs.
1284 (check_insns_for_bivs): Use xmalloc, not oballoc.
1285 (find_mem_givs): Likewise.
1286 (record_biv): Likewise.
1287 (general_induction_var): Likewise.
1288 (product_cheap_p): Likewse.
1289 * optabs.c (init_one_libfunc): Remove
1291 * print-tree.c (debug_tree): Don't use
1293 (print_node): Likewise.
1294 * profile.c (output_func_start_profiler):
1295 Remove call to temporary_allocation.
1297 (eliminate_regs_in_insn): Don't mess with obstacks.
1299 (mark_target_live_regs): Use xmalloc.
1300 (free_resource_info): Free the memory.
1301 * rtl.c (rtl_obstack):
1303 (rtvec_alloc): Don't mess with obstacks.
1304 (rtx_alloc): Likewise.
1306 (copy_rtx): Don't handle `b' cases.
1307 (read_rtx): Use a local rtl_obstack.
1308 * rtl.h (oballoc): Remove.
1310 (pop_obstacks): Likewise.
1311 (push_obstacks): Likewise.
1312 (allocate_bb_life_data): Likewise.
1313 (allocate_reg_life_data): Likewise.
1314 (rtx_free): Likewise.
1315 * sdbout.c (sdbout_queue_anonymous_type):
1316 Use tree_cons, not saveable_tree_cons.
1318 (cselib_init): Don't mess with obstacks.
1320 (mark_block_nesting): Mark the label_chain.
1321 (epxand_label): Use ggc_alloc, not oballoc.
1322 (clear_last_expr): Don't mess with obstacks.
1323 (expand_decl_cleanup): Likewise.
1324 (expand_dcc_cleanup): Likewise.
1325 (expand_dhc_cleanup): Likewise.
1326 (expand_anon_union_decl): Likewise.
1327 (add_case_node): Use xmalloc, not oballoc.
1328 (free_case_nodes): New function.
1329 (expand_end_case): Call it.
1330 * stor-layout.c (layout_type): Don't
1332 (layout_type): Likewise.
1333 * toplev.c (wrapup_global_declarations):
1335 (compile_file): Remove ggc_p conditionals.
1336 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
1337 (decode_f_option): Remove ggc_p conditionals.
1339 (function_maybepermanent_obstack): Remove.
1340 (maybepermanent_obstack): Likewise.
1341 (function_obstack): Likewise.
1342 (tmeporary_obstack): Likewise.
1343 (momentary_obstack): Likewise.
1344 (temp_decl_obstack): Likewise.
1345 (saveable_obstack): Likewise.
1346 (rtl_obstack): Likewise.
1347 (current_obstack): Likewise.
1348 (expression_obstack): Likewise.
1349 (struct obstack_stack): Likewise.
1350 (obstack_stack): Likewise.
1351 (obstack_stack_obstack): Likewise.
1352 (maybepermanent_firstobj): Likewise.
1353 (temporary_firstobj): Likewise.
1354 (momentary_firstobj): Likewise.
1355 (temp_decl_firstobj): Likewise.
1356 (momentary_function_firstobj): Likewise.
1357 (all_types_permanent): Likewise.
1358 (struct momentary_level): Likewise.
1359 (momentary_stack): Likewise.
1360 (init_obstacks): Remove initialization of removed obstacks.
1361 (save_tree_status): Remove.
1362 (restore_tree_status): Likewise.
1363 (temporary_allocation): Liekwise.
1364 (end_temporary_allocation): Liekwise.
1365 (resume_temporary_allocation): Likewise.
1366 (saveable_allocation): Likewise.
1367 (push_obstacks): Likewise.
1368 (push_obstacks_nochange): Likewise.
1369 (pop_obstacks): Likewise.
1370 (allocation_temporary_p): Likewise.
1371 (permanent_allocation): Likewise.
1372 (preserve_data): Likewise.
1373 (preserve_initializer): Likewise.
1374 (rtl_in_current_obstack): Likewise.
1375 (rtl_in_saveable_obstack): Likewise.
1376 (oballoc): Likewise.
1378 (savealloc): Likewise.
1379 (expralloc): Likewise.
1380 (print_obstack_name): Likewise.
1381 (debug_obstack): Likewise.
1382 (object_permanent_p): Likewise.
1383 (push_momentary): Likewise.
1384 (perserve_momentary): Likewise.
1385 (clear_momentary): Likewise.
1386 (pop_momentary): Likewise.
1387 (pop_momentary_nofree): Likewise.
1388 (suspend_momentary): Likewise.
1389 (resume_momentary): Likewise.
1390 (make_node): Don't set TREE_PERMANENT.
1391 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
1392 Don't set TREE_PERMANENT.
1393 (get_identifier): Remove ggc_p conditionals.
1394 (build_string): Likewise.
1395 (make_tree_vec): Likewise.
1396 (build_decl_list): Remove.
1397 (build_expr_list): Likewise.
1398 (tree_cons): Remove ggc_p conditionals.
1399 (decl_tree_cons): Remove.
1400 (expr_tree_cons): Likewise.
1401 (perm_tree_cons): Likewise.
1402 (temp_tree_cons): Likewise.
1403 (saveable_tree_cons): Likewise.
1404 (build1): Remove ggc_p conditionals.
1405 (build_parse_node): Likewise.
1406 (build_type_attribute_variant): Don't mess with obstacks.
1407 (build_type_copy): Likewise.
1408 (type_hash_canon): Likewise.
1409 (build_pointer_type): Likewise.
1410 (build_reference_type): Likewise.
1411 (build_index_type): Likewise.
1412 (build_range_type): Likewise.
1413 (dump_tree_statistics): Don't print obstack information.
1415 (struct tree_common): Remove permanent_flag.
1416 (TREE_PERMANENT): Remove.
1417 (TREE_SET_PERMANENT): Likewise.
1418 (TYPE_OBSTACK): Likewise.
1419 (struct tree_type): Remove obstack.
1421 (savealloc): Likewise.
1422 (build_decl_list): Likewise.
1423 (build_expr_list): Likewise.
1424 (perm_tree_cons): Likewise.
1425 (temp_tree_cons): Likewise.
1426 (saveable_tree_cons): Likewise.
1427 (decl_tree_cons): Likewise.
1428 (expr_tree_cons): Likewise.
1429 (suspend_momentary): Likewise.
1430 (allocation_temporary_p): Likewise.
1431 (resume_momentary): Likewise.
1432 (push_obstacks_nochange): Likewise.
1433 (permanent_allocation): Likewise.
1434 (push_momentary): Likewise.
1435 (clear_momentary): Likewise.
1436 (pop_momentary): Likewise.
1437 (end_temporary_allocation): Likewise.
1438 (pop_obstacks): Likewise.
1439 (push_obstacks): Likewise.
1440 (pop_momentary_nofree): LIkewise.
1441 (preserve_momentary): Likewise.
1442 (saveable_allocation): Likewise.
1443 (temporary_allocation): Likewise.
1444 (resume_temporary_allocation): Likewise.
1445 (perserve_initializer): Likewise.
1446 (debug_obstack): Likewise.
1447 (rtl_in_current_obstack): Likewise.
1448 (rtl_in_saveable_obstack): Likewise.
1450 * varasm.c (current_obstack): Remove.
1451 (saveable_obstack): Remove.
1452 (rtl_obstack): Remove.
1453 (immed_double_const): Don't mess with obstacks.
1454 (immed_real_cons): Likewise.
1455 (output_constant_def): Likewise.
1456 (init_varasm_status): Use xcalloc.
1457 (mark_pool_constant): Mark the pool constant itself.
1458 (free_varasm_status): Free memory.
1459 (decode_rtx_const): Call bzero directly, rather than expanding it
1461 (record_rtx_const): Don't mess with obstacks.
1462 (force_const_mem): Likewise.
1463 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
1465 (aof_pic_entry): Likewise.
1466 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
1467 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
1468 * config/pa/pa.c (saveable_obstack): Remove.
1469 (rtl_obstack): Likewise.
1470 (current_obstack): Likewise.
1471 (output_call): Don't mess with obstacks.
1472 (hppa_encode_label): Remove ggc_p conditionals.
1473 * config/romp/romp.c (get_symref): Don't mess with obstacks.
1474 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
1475 (rs6000_encode_section_info): Likewise.
1476 * config/sh/sh.c (get_fpscr_rtx): Likewise.
1478 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
1480 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
1481 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
1482 (addsi3_carry): Canonicalize.
1483 (addqi_5): Remove '*'.
1484 (sbb pattern): Canonicalize.
1486 * i386.md (cmp to inc/add peep2): New.
1488 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
1490 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
1493 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1495 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
1496 * README.TRAD, TESTS.FLUNK: Remove.
1498 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1500 * c-common.c (decl_attributes): Don't allow strftime formats with
1501 first_arg_num nonzero.
1502 (check_format_info): Set wanted_type and wanted_type_name to zero
1503 before they are possibly assigned and used.
1505 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1507 * c-common.c (scanf_flag_specs): Add flags ' and I.
1508 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
1509 or the ^ and # flags together.
1510 (scan_char_table): Handle the ' and I flags.
1511 (format_types): Add ' and I flags for scanf.
1513 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
1515 * c-common.c (print_char_table): Use the unpromoted type for
1516 lengths "h" and "hh" with conversions dioxXu.
1517 (check_format_types): Apply the default argument promotions where
1518 the wanted type is not a pointer target.
1520 2000-10-11 Michael Meeks <mmeeks@gnu.org>
1521 Joseph S. Myers <jsm28@cam.ac.uk>
1523 * c-typeck.c (check_modify_expr): New function.
1524 (build_modify_expr): Call it if warn_sequence_point.
1525 * c-decl.c (warn_sequence_point): New variable.
1526 (c_decode_option): Handle -Wsequence-point and
1527 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
1528 * c-tree.h (warn_sequence_point): Declare.
1529 * invoke.texi (-Wsequence-point): Document.
1530 * toplev.c (documented_lang_options): Add -Wsequence-point and
1531 -Wno-sequence-point.
1532 Original work by Michael Meeks, 16 Jun 1998.
1534 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1536 * tree.c (get_narrower): Don't look at precision of field if
1539 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
1541 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
1542 declaration for data with "progmem" attribute.
1544 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
1546 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
1547 Correct insn length if shift count is a memory operand.
1548 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
1549 (*iorhi3_clobber): Change lo8 to hi8.
1550 (zero_extendhisi2): Change %B0 to %A1.
1551 (ashlhi3, ashrhi3): Correct insn length.
1552 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
1553 from "clobber" to "set_n" in some alternatives.
1555 2000-10-10 Jakub Jelinek <jakub@redhat.com>
1557 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
1558 remove its insn_chain structure as well.
1560 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1562 * dbxout.c (dbxout_source_line): Remove extra tab.
1564 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
1566 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
1568 2000-10-09 Richard Henderson <rth@cygnus.com>
1570 * Makefile.in (LANG_LIB2FUNCS): Remove.
1571 (LIB2FUNCS): Remove _pure.
1572 (LIB2ADD): Remove LANG_LIB2FUNCS.
1573 (stage_a): Don't set LANG_LIB2FUNCS.
1574 * libgcc2.c (__terminate): Mark noreturn.
1575 (__pure_virtual): Remove.
1576 * mklibgcc.in: Remove LIB2ADD .txt processing.
1578 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1580 * arm.md (push_multi): Revert unintended change.
1582 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1584 * arm.c: Miscellaneous white space and comment clean-ups. No
1588 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1590 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
1591 STRING_CST by calling combine_strings.
1593 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1595 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
1596 (thumb_output_move_mem_multiple): Support new insn format.
1597 * arm.md (movmem12b): Use SSA compatible format.
1598 (movmem8b): Likewise.
1600 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
1602 * arm.md (predicable): New attribute, default to "no".
1603 (all patterns): Mark as predicable if appropriate.
1604 (conditional execution splits): Split using predication format.
1605 (define_cond_exec): Define.
1606 * arm.c (arm_print_operand): handle insn predicate.
1608 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1610 * README.NS32K: Remove file.
1612 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1614 * README-bugs: Remove file.
1616 2000-10-08 Philipp Thomas <pthomas@suse.de>
1617 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
1619 * configure: Rebuilt.
1621 2000-10-08 Philipp Thomas <pthomas@suse.de>
1622 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
1623 disable catalog building if no suitable program was found.
1624 Move warning message from here
1625 (AM_GNU_GETTEXT): To here.
1626 * configure: Rebuilt.
1628 2000-10-08 Philipp Thomas <pthomas@suse.de>
1629 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
1630 different cache variables.
1631 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
1632 uses different cache variables.
1633 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
1634 * configure: Regenerated.
1636 2000-10-08 Richard Henderson <rth@cygnus.com>
1638 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
1639 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
1640 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
1643 * config/t-linux (SHLIB_EXT): New.
1644 (SHLIB_LINK): Use the entire build command, with substitutions.
1645 (SHLIB_LIBS): Remove.
1646 * config/alpha/t-osf4: Likewise.
1647 * config/mips/t-iris6: Likewise.
1648 * config/sparc/t-sol2: Likewise, but move shlib stuff...
1649 * config/sparc/t-slibgcc-sld: ...here.
1650 * config/sparc/t-slibgcc: New file.
1652 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
1654 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
1655 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
1657 (intmax_type_node, uintmax_type_node): Define.
1658 * c-common.c (decl_attributes): If pedantic, warn if `mode'
1659 attributes create a type wider than intmax_t.
1660 (T_IM, T_UIM): Define properly.
1661 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
1663 (init_decl_processing): Initialize intmax_type_node and
1665 * c-lex.c (lex_number): When pedantic and warning for integer
1666 constants that are too large, in C99 mode warn for those that have
1667 a type wider than long long.
1669 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
1671 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
1672 FMT_FLAG_FANCY_PERCENT_OK): Define.
1673 (format_char_info): Add flag "4" to comment.
1674 (format_flag_spec, format_flag_pair): New structures.
1675 (format_kind_info): Add additional fields to control format
1677 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
1678 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
1680 (time_char_table): Use "4" flag to handle %Ey.
1681 (format_types): Add entries for new fields.
1682 (get_flag_spec): New function.
1683 (check_format_info): Increase size of flag_chars[] to 256.
1684 Control format checking using the new fields of a format_kind_info
1685 and the new tables; remove all conditionals on printf_format_type,
1686 scanf_format_type or strftime_format_type. Handle all details of
1687 bad combinations of flags (including width, precision and strftime
1688 modifiers) through data rather than ad hoc code. Handle all
1689 details of standard versions in which flags appeared through
1690 data. Use the "4" flag.
1692 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
1694 * config/h8300/h8300.md: Remove the memory alternative and correct
1695 the insn lengths in the templates for sign extention and zero
1698 2000-10-07 Richard Henderson <rth@cygnus.com>
1700 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
1701 * flow.c (make_edges): Revert last change.
1703 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
1705 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
1707 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
1709 * config/alpha/elf.h: Standardize the formatting.
1711 2000-10-06 David O'Brien <obrien@FreeBSD.org>
1713 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
1716 2000-10-06 Richard Henderson <rth@cygnus.com>
1718 * function.c (diddle_return_value): Examine
1719 current_function_return_rtx instead of the DECL_RESULT.
1720 (expand_function_end): Handle reloading DECL_RESULT from memory
1721 into a hard register. Query promote_mode for sign of mismatched
1724 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1726 * haifa-sched.c (schedule_insns): Fix typo in freeing
1727 forward_dependency_cache.
1729 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
1731 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
1732 `TARGET_SH2' as a condition.
1734 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1736 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
1737 forward_dependency_cache): New variables.
1738 (add_dependence, remove_dependence): Use anti_dependency_cache and
1739 output_dependency_cache.
1740 (compute_block_forward_dependences): Use forward_dependency_cache.
1741 (schedule_insns): Allocate and free memory for anti/output/forward
1742 dependencies caches.
1744 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
1746 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
1747 `! TARGET_SH1'. Reindent.
1749 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1751 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
1752 Move functions from here ...
1754 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
1756 (c_expand_builtin): New function.
1757 (init_function_format_info): Don't set `check_function_format_ptr'.
1758 (c_common_nodes_and_builtins): Set built_in_class type for
1759 printf/__builtin_printf to BUILT_IN_FRONTEND.
1760 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
1762 * c-common.h (build_function_call): Declare.
1764 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
1765 to `lang_expand_expr' rather than `expand_builtin'.
1767 * tree.c (check_function_format_ptr): Delete.
1769 * tree.h (check_function_format_ptr): Likewise.
1771 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
1773 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
1774 DW_OP_bregx when cfa->reg > 31.
1776 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
1779 2000-10-05 Richard Henderson <rth@cygnus.com>
1781 * c-decl.c (warn_missing_noreturn): Remove.
1782 (c_expand_body): Don't set or check can_reach_end.
1783 * c-tree.h (warn_missing_noreturn): Move ...
1784 * flags.h: ... here.
1785 (can_reach_end): Remove.
1786 * flow.c (check_function_return_warnings): New.
1787 (make_edges): No edge to exit for noreturn sibcalls.
1788 * function.c (expand_function_end): Save the return value
1789 clobber instruction.
1790 (mark_function_status): Mark it.
1791 * function.h (struct function): Add x_clobber_return_insn.
1792 * jump.c (can_reach_end): Remove.
1793 (calculate_can_reach_end): Remove.
1794 (jump_optimize_1): Don't call it.
1795 * output.h (check_function_return_warnings): Declare.
1796 * toplev.c (warn_missing_noreturn): Move from c-decl.c
1797 (rest_of_compilation): Call check_function_return_warnings.
1799 2000-10-05 Richard Henderson <rth@cygnus.com>
1801 * Makefile.in (NM_FOR_TARGET): New.
1802 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
1803 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
1804 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
1805 shared library build on that and EXTRA_MULTILIB_PARTS.
1806 * mkmap-flat.awk: New file.
1807 * mkmap-symver.awk: New file.
1808 * libgcc-std.ver: New file.
1809 * config/libgcc-glibc.ver: New file.
1810 * config/ia64/libgcc-ia64.ver: New file.
1811 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1812 (SHLIB_LINK): Add --version-script.
1813 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
1814 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1815 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
1816 (SHLIB_LINK): Add -M.
1818 2000-10-05 Richard Henderson <rth@cygnus.com>
1820 * Makefile.in (LIB2FUNCS): Add _clz.
1821 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
1822 (__clz_tab): Put in its own unit, non-static.
1823 * libgcc2.h: Always include longlong.h.
1825 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
1826 a zero instead of -1.
1827 (count_trailing_zeros): Likewise.
1829 2000-10-05 Richard Henderson <rth@cygnus.com>
1831 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
1832 when second op1 is const0_rtx. Validate op0 as a register.
1833 * config/alpha/alpha.md (setcc_internal): Don't allow constants
1834 in the first argument of the compare.
1835 (setcc_swapped_internal): Likewise.
1836 (setne_internal): Likewise.
1838 2000-10-05 Geoff Keating <geoffk@cygnus.com>
1840 * tree.c (tree_size): New function split out of copy_node.
1841 (make_node): Remove obstack handling. Use tree_size.
1842 (copy_node): Use tree_size.
1843 * tree.h: Prototype tree_size.
1845 2000-10-05 Richard Henderson <rth@cygnus.com>
1847 * diagnostic.c (output_format): Add missing break.
1849 2000-10-05 Jim Wilson <wilson@cygnus.com>
1851 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
1852 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
1853 sequence insn to INSN, and delete last sequence insn.
1855 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
1857 * gcc.c (main): Include generated configargs.h header
1858 and use arguments in '-v' output.
1860 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1862 * gcc.c: Move data on prefixes forward in file and reorganize.
1863 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
1864 Always define, but make null if no value.
1865 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
1866 and "md_startfile_prefix_1".
1867 (main): Check whether md_exec_prefix and the others are the
1868 null string rather than whether the macro is defined.
1870 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1872 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
1873 from PSImode to SImode.
1875 2000-10-05 Jakub Jelinek <jakub@redhat.com>
1877 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
1878 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
1879 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
1882 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1884 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
1885 negation in proper type.a
1887 2000-10-04 Richard Henderson <rth@cygnus.com>
1889 * configure.in (enable-shared): New.
1890 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
1891 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
1892 * mklibgcc.in: Use them to link shared a libgcc.
1893 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
1894 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
1895 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
1896 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
1898 * configure.in (alpha-osf*): Use t-osf and x-osf.
1899 * config/alpha/t-osf: New file.
1900 * config/alpha/t-osf4: New file.
1901 * config/alpha/x-osf: New file.
1902 * config/alpha/x-alpha: Remove file.
1904 2000-10-04 Will Cohen <wcohen@redhat.com>
1906 * c-typeck.c (process_init_element): Added warning for zero-length
1909 * extend.texi (Zero Length): State that static initializers for
1910 zero-length arrays are not allowed.
1912 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
1914 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
1917 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1919 * config/float-c4x.h: New.
1920 * configure.in (c4x-*): Set float_format to c4x.
1921 * configure: Regenerate.
1923 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1925 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
1926 compilation for solaris versions 2.7 and greater.
1928 2000-10-02 Marc Espie <espie@openbsd.org>
1930 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
1931 instead of redefining from scratch.
1933 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
1935 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
1937 2000-10-01 Mark Mitchell <mark@codesourcery.com>
1939 * config/ns32k/genix.h: Remove.
1940 * config/ns32k/x-genix: Likewise.
1941 * config/ns32k/xm-genix.h: Likewise.
1942 * config/fx80: Remove all filee in directory.
1943 * config/pyr: Likewise.
1944 * config/tahoe: Likewise.
1945 * config/gmicro: Likewise.
1946 * config/spur: Likewise.
1947 * configure.in: Remove configury bits for above targets.
1948 * configure: Regenerated.
1950 * configure.in: Don't configure chill by default.
1951 * configure: Regenerated.
1953 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
1954 (lang_mark_false_label_stack): Remove.
1955 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
1956 <top level> string in GC area.
1957 (mark_splay_tree_node): New function.
1958 (mark_splay_tree): Likewise.
1959 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
1961 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
1962 * ggc-common.c (lang_mark_false_label_stack): Change type.
1963 * ggc.h (ggc_alloc_string): Add comment.
1964 (ggc_strdup): New function.
1966 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
1968 * config/avr/avr.h (BRANCH_COST): Define as 0.
1970 * config/pdp11/pdp11.c: #include "tree.h" added.
1972 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
1974 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
1975 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
1976 with known shift count.
1977 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
1978 New alternative for shift count 2 with no scratch register.
1979 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
1980 "set_n" for shift counts 1 and 2.
1982 2000-09-30 Geoff Keating <geoffk@cygnus.com>
1984 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
1985 the mask value from the individual SET operations.
1986 (return_internal_si): Move the USE after the RETURN.
1987 (return_internal_di): Likewise.
1988 (return_and_restore_fpregs_si): Likewise.
1989 (return_and_restore_fpregs_di): Likewise.
1990 (return_eh_si): Likewise.
1991 (return_eh_di): Likewise.
1992 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
1994 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
1995 Don't generate a PARALLEL around a single operation movsi_to_cr.
1996 Generate the RETURN first in any PARALLELs.
1998 * rtlanal.c (single_set_1): Use fatal_insn to display the
1999 invalid insn. Check for more cases when a USE or CLOBBER occurs
2001 * Makefile.in: Update dependencies for rtlanal.o.
2003 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2005 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
2007 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2009 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
2010 Consistently use @email for formatting email addresses.
2012 2000-09-29 Richard Henderson <rth@cygnus.com>
2014 * cse.c (notreg_cost): New argument outer.
2015 (COST): Pass in SET to notreg_cost
2017 (fold_rtx): Use COST_IN. Prefer constants when costs
2020 2000-09-29 David Edelsohn <edelsohn@gnu.org>
2022 * fixinc/inclhack.def (broken_cabs): Generalize regex.
2023 * fixinc/fixincl.x: Regenerate.
2025 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2027 * loop.c (check_final_value): A GIV is not replaceable if used
2030 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
2032 * version.c: Bump to gcc-2.97.
2034 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
2036 * final.c (final_scan_insn): Remove extra extract_insn call;
2037 Use caching for constrain_operands.
2038 (cleanup_subreg_operands): Use caching for extract_insn.
2039 * recog.c (constrain_operands_cached): New.
2040 * recog.h (constrain_operands_cached): Declare.
2041 * i386.c (ix86_attr_length_immediate_default,
2042 ix86_attr_length_address_default, ix86_agi_dependant): Cache
2045 * recog.c (asm_noperands): Tweak.
2046 (extract_insn): Do not call asm_noperads for non-asm instructions.
2048 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2050 * recog.c (recog_memoized): Rename to recog_memoized_1.
2051 * recog.h (recog_memoized): Rename to recog_memoized_1.
2052 (recog_memoized): New macro.
2053 * rtl.h (single_set): Rename to single_set_1
2054 (single_set): New macro.
2055 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
2058 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2059 Do not use match_dup of input operands at outputs.
2060 Use register_operand for memory expression.
2061 (rep_movsi): Put use last, canonicalize.
2062 Use register_operand for memory expression.
2063 (rep_movqi): Put use last.
2064 Use register_operand for memory expression.
2065 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2066 of input operands at outputs. Use register_operand for memory
2068 (rep_stossi): Put use last; canonicalize; fix match_dup in
2069 the address expression
2070 (rep_stosqi): Likewise.
2071 (memcmp expander): Update calls.
2072 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2075 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2077 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2079 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2081 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2082 Contains the old contents of config/i386/freebsd.h
2083 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2084 Contains the old contents of config/i386/freebsd-elf.h
2085 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2086 config/i386/freebsd.h.
2087 * configure.in: Adjust for above changes.
2088 * po/POTFILES.in: Likewise.
2089 * po/en_GB.po: Likewise.
2090 * po/gcc.pot: Likewise.
2091 * configure: Rebuilt.
2093 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2095 * doloop.c (doloop_modify): Prevent delete_insn() from
2096 deleting too much. Prefer loop->top over loop->start as
2097 target for the new JUMP insn.
2098 (doloop_valid_p): Ignore loop with exit_count != 0.
2100 2000-09-28 Philipp Thomas <pthomas@suse.de>
2102 * invoke.texi (i386 Options): Add athlon to table of possible
2105 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2107 * diagnostic.h (output_clear_message_text): New function.
2108 (output_message_text): New macro.
2110 * diagnostic.c (clear_text_info): Rename to
2111 output_clear_message_text.
2112 (output_clear): Adjust.
2113 (output_finish): Rename to output_finalize_message. Tweek.
2114 (output_to_stream): Adjust.
2116 2000-09-28 Neil Booth <neilb@earthling.net>
2118 * cpperror.c (_cpp_begin_message): Do the test for suppression
2119 of warnings and pedantic warnings before the "is a warning an
2121 * cppinit.c (cpp_handle_option): Remove surplus \n.
2122 * cpplex.c (ON_REST_ARG): Delete.
2123 (skip_block_comment): Initialise prevc.
2124 (parse_args): Improve error messages.
2125 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2127 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2128 * cppmain.c (main): Set callbacks for #ident and #pragma
2129 only if no_output option is false.
2130 (do_pragma_implementation): Only call the #pragma handler
2131 if it is set in the cpp_reader structure.
2133 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2135 * integrate.c (copy_insn_list): if an ignored return value
2136 is being clobbered, skip cloning that into the inline copy.
2138 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2140 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2141 use @uref for formatting URLs.
2143 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2145 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2148 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2150 * gcc.c (cpp_options): Add spec for -ftabstop=.
2151 (invoke_as): New spec that handles invoking as.
2152 Update specs to handle -save-temps and -traditional.
2153 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2155 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2156 invoke_as, and handle -save-temps and -traditional (if
2159 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2161 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2163 (function_arg_slotno): Accept TImode/CTImode.
2164 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2167 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2169 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2172 2000-09-25 Jim Wilson <wilson@cygnus.com>
2174 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2175 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2176 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2177 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2179 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2181 * cpplex.c (parse_args): Don't set VOID_REST flag.
2182 (CONTEXT_VARARGS): New flag.
2183 (maybe_paste_with_next): Set context earlier in loop. Use
2184 it. Do varargs test with CONTEXT_VARARGS flag.
2185 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2186 pushing an argument context for a varargs argument.
2187 * cpplib.h (VOID_REST): Delete.
2188 * gcc.dg/cpp/vararg1.c: Add test case.
2190 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2192 * flags.h: Declare warning flag warn_system_headers.
2193 * toplev.c: Define it.
2194 (W_options): Add option -Wsystem-headers.
2195 * diagnostic.c (count_error): Test warn_system_headers.
2196 * invoke.texi: Add description for -Wsystem-headers.
2197 * cpplib.h (cpp_options): New member warn_system_headers.
2198 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2199 CPP_IN_SYSTEM_HEADER.
2200 * cpplib.c (do_import, do_pragma_once): Likewise.
2201 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2202 and CPP_IN_SYSTEM_HEADER.
2203 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2204 (print_help): Describe -Wsystem_headers.
2205 * cpplex.c (lex_line): Reorganize condition so that warnings
2206 about C++ comments in system headers can be enabled. Remove
2207 label do_line_comment.
2209 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2211 * cpplex.c (save_comment): Only store the initial '/'
2213 (lex_token): Combine handling of the two comment types.
2214 Pass everything but the initial '/' to save_comment.
2216 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2218 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2219 _cpp_can_paste): New library-internal prototypes.
2220 * cpplex.c (dump_param_spelling, output_line_command,
2221 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2222 cpp_printf, cpp_output_list): Move to cppoutput.c.
2223 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2224 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2226 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2227 dump_param_spelling, output_line_command, cpp_scan_buffer,
2228 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2230 * Makefile.in: Add cppoutput.c.
2231 * po/POTFILES.in: Add cppoutput.c.
2233 2000-09-25 Richard Henderson <rth@cygnus.com>
2235 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2236 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2237 split until after reload.
2238 (rotlsi3, rotldi3): New.
2240 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2242 * diagnostic.c (output_last_position): Define.
2243 (set_real_maximum_length): Tweek.
2244 * diagnostic.h (output_last_position): Declare.
2246 2000-09-25 Kazu Hirata <kazu@hxi.com>
2248 * config/i386/i386.c: Fix formatting.
2250 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2252 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2253 UNITS_PER_WORD is small.
2255 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
2257 * c-common.c (format_char_info): Add flags2; update comments.
2258 (print_char_table, scan_char_table, time_char_table): Split some
2259 flags out into flags2.
2260 (check_format_info): Use flags2 for those flags, for identifying
2261 the initial character of a scanf scanset, and for identifying
2262 printf formats where the '0' flag is ignored with precision.
2264 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
2266 Changes below marked "here" add TABs on either or both sides,
2267 covering start of line, up to any operand for all noted .*ASM.*_OP
2268 definitions. All callers changed.
2269 * tm.texi: Make documented *_ASM.*_OP:s include spacing
2270 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
2271 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2272 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2273 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
2274 Fix typos in description for LONG_LONG_TYPE_SIZE and
2275 FINI_SECTION_ASM_OP.
2276 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
2277 why these defaults don't have leading spacing.
2278 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
2279 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2280 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
2281 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
2282 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
2283 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
2284 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
2285 * varasm.c (ASM_STABS_OP): Here.
2286 * xcoffout.h (ASM_STABS_OP): Here.
2287 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2288 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2289 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
2290 STRING_ASM_OP): Here.
2291 * config/freebsd.h (IDENT_ASM_OP): Here.
2292 * config/linux-aout.h (SET_ASM_OP): Here.
2293 * config/linux.h (SET_ASM_OP): Here.
2294 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2296 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2297 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
2298 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2299 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2301 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2302 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2303 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
2304 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2305 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
2306 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2307 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
2308 * config/a29k/udi.h (INT_ASM_OP): Here.
2309 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
2310 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2312 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
2313 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2314 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2315 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
2316 ASM_STABD_OP): Here.
2317 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
2318 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
2319 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2320 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
2321 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
2322 SIZE_ASM_OP, STRING_ASM_OP): Here.
2323 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
2324 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
2325 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
2326 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
2327 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
2328 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
2330 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2331 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
2332 * config/arm/coff.h (INT_ASM_OP): Here.
2333 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2334 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
2335 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
2336 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
2337 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
2338 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2339 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
2340 STRING_ASM_OP): Here. Update documentation copy in comments.
2341 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
2342 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
2343 DATA_SECTION_ASM_OP): Here.
2344 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
2346 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
2347 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2348 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2349 BSS_SECTION_ASM_OP): Here.
2350 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2351 BSS_SECTION_ASM_OP): Here.
2352 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2354 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
2355 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
2356 * config/h8300/h8300.h (ASM_WORD_OP): Here.
2357 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2358 BSS_SECTION_ASM_OP): Here.
2359 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
2360 * config/i386/bsd.h (ASM_BYTE_OP): Here.
2361 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
2362 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
2363 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
2365 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
2366 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
2368 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
2369 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2370 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
2371 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2373 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
2374 * config/i386/netbsd.h (INT_ASM_OP): Here.
2375 * config/i386/openbsd.h (INT_ASM_OP): Here.
2376 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
2377 IDENT_ASM_OP): Here.
2378 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
2379 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
2380 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
2381 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
2382 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
2383 SHARED_BSS_SECTION_ASM_OP): Here.
2384 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
2385 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2386 DATA_SECTION_ASM_OP): Here.
2387 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2388 CONST_SECTION_ASM_OP): Here.
2389 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
2390 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2391 BSS_SECTION_ASM_OP): Here.
2392 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
2393 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
2394 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
2395 BSS_ASM_OP): Here, but use trailing spaces.
2396 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2397 DATA_SECTION_ASM_OP): Here.
2398 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
2400 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
2401 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
2402 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2403 TDESC_SECTION_ASM_OP): Here.
2404 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
2405 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2406 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2408 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2409 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2410 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2411 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2412 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
2413 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
2414 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2415 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
2416 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
2417 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
2418 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2419 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2421 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2422 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2423 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
2424 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
2425 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
2426 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
2427 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
2428 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2429 GLOBAL_ASM_OP): Here.
2430 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
2431 BSS_SECTION_ASM_OP): Here.
2432 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
2433 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2434 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
2435 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
2437 * config/m68k/newsgas.h (SET_ASM_OP): Here.
2438 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
2439 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2440 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
2441 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
2442 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
2443 but use trailing spaces.
2444 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
2445 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
2446 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
2448 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2449 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2450 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2451 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
2452 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2453 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
2454 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
2455 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
2456 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
2457 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
2458 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2459 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
2461 * config/m88k/openbsd.h (SET_ASM_OP): Here.
2462 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2463 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
2464 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
2465 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
2466 DTORS_SECTION_ASM_OP): Here.
2467 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
2468 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2469 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
2470 BSS_SECTION_ASM_OP): Here.
2471 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
2472 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
2473 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
2474 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
2475 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
2476 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
2477 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
2478 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
2480 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
2482 * config/mips/osfrose.h (SET_ASM_OP): Here.
2483 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
2484 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
2485 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
2486 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2488 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
2489 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
2490 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
2491 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
2492 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
2493 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2495 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2497 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
2498 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
2499 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
2501 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
2502 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
2503 * config/sparc/linux.h (COMMON_ASM_OP): Here.
2504 * config/sparc/linux64.h (COMMON_ASM_OP,
2505 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
2506 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
2507 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
2508 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
2509 * config/sparc/pbd.h (ASM_INT_OP): Here.
2510 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
2511 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
2512 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
2513 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
2514 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
2515 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
2516 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
2517 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
2518 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
2519 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2520 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2521 EH_FRAME_SECTION_ASM_OP): Here.
2522 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
2523 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2525 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2527 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
2528 TCOMMON_ASM_OP): Here.
2529 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
2531 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2534 2000-09-25 Richard Henderson <rth@cygnus.com>
2536 * expmed.c (store_bit_field): Adjust last change to not consider
2537 any word-sized field naturally aligned.
2539 2000-09-24 Richard Henderson <rth@cygnus.com>
2541 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2542 TFmode unordered compares properly. Revalidate integer compare
2544 (alpha_emit_setcc): New.
2545 (alpha_emit_conditional_move): Revalidate integer compare operands.
2546 * config/alpha/alpha-protos.h: Update.
2547 * config/alpha/alpha.md (cmpdi): Allow general operands.
2548 (sne): Use alpha_emit_setcc.
2549 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
2550 (sunordered, sordered): New.
2552 2000-09-24 Richard Henderson <rth@cygnus.com>
2554 * config/ia64/ia64-protos.h: Update.
2555 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
2556 (ia64_expand_call): New.
2557 (ia64_expand_prologue): Emit an alloc if we need extra input
2559 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
2560 instruction if true.
2561 (struct reg_flags): Add is_sibcall.
2562 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
2563 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
2564 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
2565 * config/ia64/ia64.h (PREDICATE_CODES): Update.
2566 * config/ia64/ia64.md (call): Use ia64_expand_call.
2567 (call_value): Likewise.
2568 (sibcall, sibcall_value): New.
2569 (call patterns): Remove extra expanders; tidy.
2570 (sibcall_epilogue): New.
2571 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
2573 2000-09-24 Richard Henderson <rth@cygnus.com>
2575 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
2577 * sibcall.c (skip_pic_restore): New.
2578 (identify_call_return_value): Use it.
2580 2000-09-24 Mark Mitchell <mark@codesourcery.com>
2582 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
2583 functions. Generalize to handle both C and C++.
2584 * Makefile.in (c-tree.info): New target.
2585 (info): Add c-tree.info.
2587 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2589 * expr.c (store_field): If BITSIZE is negative, use size of type.
2590 (expand_expr, case COMPONENT_EXPR): Likewise.
2592 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
2594 * cpplex.c: Update TODO comment.
2595 * cpplib.c (do_error, do_warning): Merge common code of
2596 do_error and do_warning into do_diagnostic. Use it.
2597 (do_diagnostic): New function.
2598 * cpplib.h: Fix comment typo.
2600 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
2602 * c-common.c (check_format_info): Warn for a wide character string
2603 used as a non-wide format argument.
2605 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
2607 * builtins.def (BUILT_IN_LLABS): Add.
2608 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
2609 * c-common.c (c_common_nodes_builtins): Create builtin functions
2610 __builtin_llabs, and plain llabs unless no_nonansi_builtins
2611 outside of C99 mode.
2612 (expand_tree_builtin): Handle BUILT_IN_LLABS.
2614 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
2616 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
2617 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
2618 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
2619 _cpp_free_toklist): No need to worry about extra dummy token
2620 at the start of token lists any more.
2621 (trigraph_ok): Only warn outside comments.
2622 (skip_block_comment): Set and clear lexing_comment.
2623 (skip_line_comment): Take a cpp_reader not cpp_buffer.
2624 Set and clear lexing_comment.
2625 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
2626 (check_long_token): Delete.
2627 (lex_percent, lex_dot): New subroutines of lex_token to
2628 handle lexing of '.' and '%' without lookback.
2629 (lex_token): Use lex_dot and lex_percent.
2630 (lex_line): Don't check for LIST_OFFSET.
2631 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
2632 * cpplib.c (_cpp_parse_assertion): Similarly.
2633 (cpp_push_buffer): Initialize extra_char.
2634 * cpplib.h (LIST_OFFSET): Delete.
2635 (struct cpp_buffer): New member extra_char.
2636 (struct lexer_state): New members lexing_comment and seen_dot.
2638 2000-09-23 Jason Merrill <jason@redhat.com>
2640 * config/rs6000/x-aix41 (CLIB): Define here.
2641 * config/rs6000/t-aix43: Not here.
2642 * config/rs6000/t-aix41: Or here. Remove.
2643 * configure.in: Don't use it.
2645 2000-09-22 Jason Merrill <jason@redhat.com>
2647 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
2648 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
2649 * config.in: Regenerate.
2651 * configure.in: Fix checks for assembler features when using a
2652 one-tree assembler that has not yet been built.
2653 Fix --disable-threads.
2655 2000-09-19 Geoff Keating <geoffk@cygnus.com>
2657 * stmt.c (expand_asm_operands): Allow # in constraints.
2659 2000-09-22 Jason Merrill <jason@redhat.com>
2661 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
2663 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
2664 function-local names.
2666 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
2667 Mark Mitchell <mark@codesourcery.com>
2669 * toplev.c (warn_disabled_optimization): Declare new warning flag.
2670 * flags.h (warn_disabled_optimization): Add it here.
2671 * gcse.c (gcse_main): Add warning when disabled.
2672 * invoke.texi: Document -Wdisabled-optimization.
2674 2000-09-21 Jason Merrill <jason@redhat.com>
2676 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
2678 * dwarf2out.c (tree_add_const_value_attribute): New fn.
2679 (gen_variable_die): Call it for non-definitions.
2681 * dwarf2out.c (die_struct): Add die_mark field.
2682 (mark_dies, unmark_dies): New fns.
2683 (clear_die_sizes): Remove.
2684 (print_die): Check die_symbol rather than die_offset.
2685 (build_abbrev_table, output_pubnames, output_aranges): Check
2686 die_mark rather than die_offset.
2687 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
2690 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
2692 * cppfiles.c (lookup_include_file): Rename to open_file.
2693 Always create a splay tree value, even on syscall failures.
2694 Negative entries indicated by fd == -2.
2695 Re-open files closed in the meantime.
2696 (_cpp_fake_include): Create a negative splay tree entry.
2697 (find_include_file, cpp_read_file): Update for function name
2699 * gcc.gd/cpp/mi4.c: Testcase.
2701 2000-09-21 Nick Clifton <nickc@redhat.com>
2703 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
2704 ARM and THUMB modes.
2706 * config/mcore/mcore.c: Fix compile time warnings.
2707 * config/mcore/mcore-protos.h: Fix compile time warnings.
2709 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2711 * configure.in: Correct test of gcc_cv_glibc.
2712 * configure: Rebuilt.
2713 * config.in: Rebuilt.
2715 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2717 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
2718 (expand_builtin): Handle BUILT_IN_FWRITE.
2720 * builtins.def (BUILT_IN_FWRITE): New entry.
2722 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
2724 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2726 * gcc.c (modify_target): New variable and struct.
2727 (process_command): Handle MODIFY_TARGET_NAME.
2728 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
2729 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
2731 * c-decl.c (finish_decl): Add else's to avoid referencing
2732 TYPE_DOMAIN of an ERROR_MARK.
2734 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
2736 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
2739 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
2741 * config/avr/avr.md (neghi2): Add alternative for input and output
2742 operands in different registers, as in negsi2.
2743 (*negsi2): Remove '*' from the name. Use "movw" if available.
2745 2000-09-19 Jim Wilson <wilson@cygnus.com>
2747 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
2748 HAVE_GAS_HIDDEN macro.
2750 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
2752 * cpplex.c (lex_line): Drop the EOF token for unknown
2753 directives in assembler.
2755 2000-09-19 David Edelsohn <edelsohn@gnu.org>
2757 * configure.in: Allow enable_threads_flag value of "aix". Define
2758 thread_file as "aix" for AIX 4.3 and above.
2759 * configure: Regenerated.
2761 * gthr-aix.h: New file.
2763 * rs6000/t-aix43: Replace soft-float multilib with pthread.
2764 Remove 403 processor multilib match. Fix rios2 processor multilib
2767 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
2768 to return to appropriate csect.
2770 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2772 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
2774 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
2775 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
2778 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
2781 * c-common.c (init_function_format_info): Handle __builtin_printf.
2782 Set `check_function_format_ptr'.
2783 (c_common_nodes_and_builtins): Set `puts_ftype' and
2784 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
2785 __builtin_printf and printf.
2787 * tree.c, tree.h (check_function_format_ptr): Declare.
2789 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
2791 * cppfiles.c (read_include_file): Take no special action for
2794 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
2796 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
2797 rather than that of branch.
2798 (shorten_branches): Don't increment insn_current_address twice.
2800 Undo most of the Wed Jan 27 23:39:53 1999 patch:
2801 * loop.h (struct induction): Delete members derived, ix and last_use.
2802 (struct loop_ivs): Delete members first_increment_giv and
2804 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
2805 recombine_givs): Delete functions.
2806 (find_and_verify_loops): Don't initialize cont_dominator.
2807 (strength_reduce): Lose code to try to find bivs that can be
2808 expressed as givs of another biv, and to convert biv increments
2810 Lose loop_scan_start variable, always use loop->scan_start.
2811 Don't call recombine_givs. Don't handle derived givs.
2812 (record_giv): Don't initialize derived and last_use fields.
2813 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
2815 * unroll.c (derived_regs): Delete static variable.
2816 (unroll_loop): Don't initialize it.
2817 (copy_loop_body): Lose code to handle derived givs.
2818 (find_splittable_givs): Don't check for givs made from biv
2820 Don't set derived_regs.
2822 Fix misapplied earlier patch:
2823 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
2825 (floatsisf2): Generate floatsisf_ie by default.
2826 (floatsisf_i4): Conditional on TARGET_SH4.
2828 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
2829 predicate for the expanders.
2831 2000-09-19 Richard Henderson <rth@cygnus.com>
2833 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
2834 in addition to pentium and pentiumpro symbols.
2835 (CPP_CPU_DEFAULT_SPEC): Likewise.
2837 * c-typeck.c (c_expand_asm_operands): Restore the output tree
2840 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
2841 if the tree has side effects.
2842 (warn_if_unused_value): Do not warn about void constructs.
2844 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
2846 * unroll.c (copy_loop_body): Update LABEL_NUSES before
2847 calling invert_jump.
2849 2000-09-18 Geoff Keating <geoffk@cygnus.com>
2851 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
2854 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2856 * Makefile.in (c-common.o): Depend on diagnostic.h.
2858 * c-common.c: Include diagnostic.h.
2860 (status_warning): New function.
2861 (check_format_info, maybe_read_dollar_number, check_format_types,
2862 finish_dollar_format_checking, check_function_format): Accept a
2863 `status' parameter. All callers changed.
2865 * c-common.h (check_function_format): Accept a `status' parameter.
2867 * c-typeck.c: Update call to `check_function_format'.
2869 2000-09-18 Richard Henderson <rth@cygnus.com>
2871 * c-decl.c (c_expand_body): Call mark_varargs before
2872 expand_function_start.
2874 2000-09-18 Geoff Keating <geoffk@cygnus.com>
2876 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
2877 * config/rs6000/eabi-ci.asm: Likewise.
2879 2000-09-18 Richard Henderson <rth@cygnus.com>
2881 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
2884 2000-09-18 Jim Wilson <wilson@cygnus.com>
2886 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
2887 before passing it to fold_rtx_mult_add.
2889 * unroll.c (final_giv_value): Pass increment through
2890 extend_value_for_giv before passing it to emit_iv_add_mult.
2892 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
2893 paradoxical subreg, then directly substitute the replacement and
2896 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
2898 * cpp.texi: Update documentation, including some clarifications,
2899 the treatment of various newline combinations, and space between
2900 backslash and newline.
2902 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2904 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
2905 Replace ASM_OUTPUT_LABELREF with assemble_name.
2907 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2909 * sh.c (addsubcosts): CONST is not cheap.
2910 (find_barrier): For Sh1, take alignment after jumps into account.
2912 2000-09-15 Andrew Haley <aph@redhat.com>
2914 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
2915 remove all SETs of SUBREGs of hard registers.
2916 * function.c (purge_hard_subreg_sets): New function.
2917 (purge_single_hard_subreg_set): New function.
2918 * rtl.h: (purge_hard_subreg_sets): New function.
2920 2000-09-18 Richard Henderson <rth@cygnus.com>
2922 * config/ia64/ia64-protos.h: Update.
2923 * config/ia64/ia64.c (signed_inequality_operator): New.
2924 (ia64_expand_compare): New.
2925 (ia64_register_move_cost): Handle PR_REGS moves.
2926 (ia64_secondary_reload_class): Require a GR when moving to a PR.
2927 (struct reg_write_state): Add written_by_and/or.
2928 (struct reg_flags): Add is_and/or.
2929 (rws_update): Set them.
2930 (rws_access_regno): Test them to allow parallel comparisons.
2931 (rtx_needs_barrier): Recognize parallel comparisons.
2932 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
2933 Call recog_memoized; ignore pred_rel_mutex.
2934 (emit_predicate_relation_info): Don't call find_basic_blocks here.
2935 (ia64_reorg): Do it here instead.
2936 * config/ia64/ia64.h: s/CCmode/BImode/g
2937 (MODES_TIEABLE_P): Don't tie BImode.
2938 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
2939 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
2940 (RTX_COSTS): Make multiply 4 insns.
2941 (MEMORY_MOVE_COST): New.
2942 (PREDICATE_CODES): Update.
2943 * config/ia64/ia64.md: s/CCmode/BImode/g
2944 (movcci, movbi): New.
2945 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
2946 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
2947 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
2948 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
2949 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
2950 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
2951 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
2952 (mulsi, muldi): Use xmpy not xma.
2954 (movcc, movcc_internal): Remove.
2955 (branch expanders): Use ia64_expand_compare.
2956 (setcc expanders): Likewise.
2957 (cmov insns): Use move_operand and ia64_move_ok.
2958 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
2959 scheduler from moving it past a use.
2960 * config/ia64/build.hacks: Remove.
2962 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
2964 * cpphash.h (HASHSTEP): Take character rather than pointer
2966 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
2968 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
2970 * cpplex.c (auto_expand_name_space, trigraph_replace,
2971 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
2972 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
2973 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
2974 KNOWN_DIRECTIVE): Delete.
2976 (handle_newline, check_long_token, skip_escaped_newlines,
2977 unterminated): New functions.
2978 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
2980 (parse_identifier): Was parse_name, new implementation.
2981 (skip_line_comment, skip_block_comment, skip_whitespace,
2982 parse_number, parse_string, trigraph_ok, save_comment,
2983 adjust_column, _cpp_get_line): New implementations.
2985 (lex_token): New function. Lexes a token at a time, looking
2986 forwards. Contains most of the guts of the old lex_line.
2987 (lex_line): New implementation, using lex_token to obtain
2989 (cpp_scan_buffer): Use the token's line, not the list's line.
2991 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
2992 New implementations.
2993 (do_assert): Don't bother setting the answer's list's line.
2994 (cpp_push_buffer): Initialise new pfile and read_ahead members
2995 of struct cpp_buffer.
2997 * cpplib.h (cppchar_t): New typedef.
2998 (struct cpp_buffer): read_ahead, pfile and col_adjust are
3000 (struct lexer_state): New structure that determines the state
3001 and behaviour of the lexer.
3002 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
3003 (struct cpp_reader): New member "state". Rename
3004 multiline_string_line and multiline_string_column. Delete
3005 col_adjust, in_lex_line members.
3006 (CPP_BUF_COLUMN): Update.
3008 2000-09-18 Richard Henderson <rth@cygnus.com>
3010 * combine.c (simplify_comparison): Shift a NOT out of a single
3013 * combine.c (if_then_else_cond): Canonicalize BImode true to
3015 * explow.c (trunc_int_for_mode): Likewise.
3017 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
3018 the NOT for De Morgan's rule.
3019 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
3020 of a comparison to the reverse comparison.
3022 * combine.c (try_combine): Allow split to create a single insn.
3024 * machmode.def: Add BImode. Add a column for bitsize.
3025 * machmode.h (DEF_MACHMODE): Adjust for extra column.
3026 (GET_MODE_BITSIZE): Use it.
3027 * rtl.c (DEF_MACHMODE): Adjust for extra column.
3028 (mode_bitsize): New.
3029 (mode_mask_array): Use bitsize.
3030 * combine.c (combine_simplify_rtx): Require inner and outer
3031 modes to match on nonzero_bits optimizations.
3033 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3035 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
3036 its entry in spill_reg_store.
3037 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
3038 * sh.c (reg_no_subreg_operand): New function.
3039 * sh-protos.h (reg_no_subreg_operand): Declare it.
3040 * sh.h (PREDICATE_CODES): Add it.
3041 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
3042 input operand that needs to be in fpul.
3043 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
3044 * sh.c (find_barrier): Take into account that machine_dependent_reorg
3045 might add new insns.
3047 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
3049 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
3051 (sh_expand_epilogue): Take the PIC register into account when
3052 computing the frame size.
3054 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
3055 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
3056 LABEL_REFs with a PIC-safe unspec.
3058 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3060 * c-common.c (check_format_info): Properly save the argument
3061 number and parameter for $ operand number formats in case width
3062 and precision arguments are also used. Allow printf width and
3063 precision arguments to have operand numbers even if none was
3064 specified for the main format, since this is OK for %*.*m. Only
3065 object to missing $ operand number if the format used requires an
3068 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3070 * c-common.c (format_char_info): Add 'W' flag to comment.
3071 (print_char_table, scan_char_table): Use it.
3072 (check_format_info): Use the 'W' flag to determine whether a
3073 format argument is written into.
3075 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3077 * c-common.c (check_format_types): Reorganise and clean up,
3078 checking earlier for ERROR_MARKs and making cur_type into its
3079 TYPE_MAIN_VARIANT where convenient.
3081 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3083 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3085 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3087 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3089 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3090 * i386.c (struct builtin_description): New.
3091 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3092 (mmx_reg_operand): Declare MODE arg as unused.
3093 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3094 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3095 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3096 ix86_init_builtins, ix86_expand_builtin): New functions.
3097 * i386.h (ix86_builtins): New enumeration.
3098 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3099 * i386.md (attr length_immediate): 0 for mmx/sse types.
3100 (attr prefix_0f): 1 for mmx/sse types.
3101 (setcc_2): Remove "*" so we get gen_setcc_2.
3102 (emms): Account for changed register numbering. Set "memory" attr
3104 (sfence): Set "memory" attr to unknown.
3106 2000-09-18 Andreas Jaeger <aj@suse.de>
3108 * configure.in: Define _GNU_SOURCE only when using the GNU C
3110 * configure: Regenerated.
3111 * config.in: Regenerated.
3113 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3115 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3116 * flow.c (flow_dump_loop): Likewise.
3117 (flow_loops_dump): Likewise.
3119 * c-typeck.c (c_start_case): Fix typo.
3121 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3123 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3124 to int for plain complex which defaults to complex double. Do
3125 warn about defaulting to complex double if pedantic. Warn about
3126 complex integer types if pedantic. Warn about complex types if
3127 pedantic and not in C99 mode.
3128 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3129 for complex conjugation.
3131 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3133 * contrib.texi: Update my entry.
3135 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3137 * config/avr/avr.md (mcu_enhanced): New attribute.
3138 (mcu_mega): Likewise.
3139 (extendhisi2): Use mcu_enhanced.
3140 (zero_extendhisi2): Likewise.
3141 (call_insn): Use mcu_enhanced and mcu_mega.
3142 (call_value_insn): Likewise.
3143 (*sbrx_branch): Use mcu_mega.
3144 (*sbrx_and_branchsi): Likewise.
3145 (*sbrx_and_branchhi): Likewise.
3146 (*tablejump_lib): Likewise.
3148 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3150 * alias.c (true_dependence): Allow non-unchanging read to conflict
3151 with unchanging write.
3153 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3154 (store_constructor): Pass alias_set to it.
3156 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3157 TYPE_MAIN_VARIANT of ERROR_MARK.
3158 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3160 * simplify-rtx.c (simplify_unary_operation): Add cases
3161 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3163 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3165 * expr.h (emit_library_call, emit_library_call_value): Delete
3167 * rtl.h (enum libcall_type): New.
3168 (emit_library_call, emit_library_call_value): Change fn_type arg to
3169 be of type enum libcall_type.
3170 * calls.c: Likewise for the function definitions. Several callers
3171 throughout changed to use the new enumeration appropriately.
3172 (emit_library_call_value_1): Likewise. Put back code to make libcall
3173 blocks of equal form, but only use it for the two new higher
3176 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3178 Convert the C front-end to use function-at-a-time mode.
3179 * c-common.h: Include splay-tree.h.
3180 (C_DECLARED_LABEL_FLAG): New macro.
3181 (struct language_function): Add x_scope_stmt_stack and
3182 x_function_name_declared_p.
3183 (RECHAIN_STMTS): Move definition.
3184 (lang_statment_code_p): Likewise.
3185 (lang_expand_stmt): Likewise.
3186 (lang_expand_decl_stmt): New variable.
3187 (lang_expand_function_end): Likewise.
3188 (current_scope_stmt_stack): New function.
3189 (add_decl_stmt): Likewise.
3190 (add_scope_stmt): Likewise.
3191 (mark_stmt_tree): Likewise.
3192 (struct c_lang_decl): New structure.
3193 (DECL_SAVED_TREE): Define.
3194 (c_mark_lang_decl): New function.
3195 (c_expand_start_cond): Change prototype.
3196 (c_finish_then): New function.
3197 (c_finish_else): Likewise.
3198 (current_function_name_declared): Remove.
3199 (set_current_function_name_declared): Likewise.
3200 (mark_c_language_function): Declare.
3201 (case_compare): Likewise.
3202 (c_add_case_label): Likewise.
3203 (c_expand_expr): Likewise.
3204 (c_safe_from_p): Likewise.
3205 * c-common.c (lang_expand_function_end): New variable.
3206 (struct if_elt): Add if_stmt.
3207 (c_expand_start_cond): Add the if-statement to the statement-tree,
3208 rather than generating RTL.
3209 (c_finish_then): New function.
3210 (c_expand_start_else): Don't generate RTL.
3211 (c_finish_else): New function.
3212 (c_expand_expr_stmt): Don't generate RTL.
3213 (statement_code_p): Add SCOPE_STMT.
3214 (case_compare): New function.
3215 (c_add_case_label): Likewise.
3216 (mark_stmt_tree): Likewise.
3217 (c_mark_lang_decl): Likewise.
3218 (mark_c_language_function): Likewise.
3219 (c_expand_expr): Likewise.
3220 (c_safe_from_p): Likewise.
3221 * c-decl.c (c_stmt_tree): New variable
3222 (c_scope_stmt_stack): Likewise.
3223 (c_function_name_declared_p): Likewise.
3224 (lang_expand_expr_stmt): Remove.
3225 (poplevel): Don't call output_inline_function for nested
3227 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3229 (redeclaration_error_message): Change means of computing whether
3230 or not a function is nested.
3231 (lookup_label): Don't call label_rtx.
3232 (init_decl_processing): Add more GC roots.
3233 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3234 calling rest_of_decl_compilation.
3235 (finish_decl): Don't call expand_decl.
3236 (store_parm_decls): Begin the statement-tree, but don't generate
3238 (finish_function): Tie off the statement-tree. Call c_expand_body
3240 (c_expand_body): New function.
3241 (push_c_function_context): Save more information.
3242 (pop_c_function_contxt): Likewise.
3243 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3244 (lang_mark_tree): Mark it.
3245 (current_stmt_tree): Adjust.
3246 (current_scope_stmt_stack): New function.
3248 (set_current_name_declared): Likewise.
3249 (c_begin_compound_stmt): Define.
3250 (c_expand_decl_stmt): Likewise.
3251 * c-lang.c: Include rtl.h and expr.h.
3252 (lang_init): Set more language-specific hooks.
3253 * c-lex.c: Include expr.h.
3254 * c-parse.in: Changes throughout to add statements to the
3255 statement-tree, rather than generating RTL after every statement.
3256 * c-semantics.c (lang_expand_decl_stmt): Define.
3257 (add_decl_stmt): New function.
3258 (add_scope_stmt): Likewise.
3259 (finish_stmt_tree): Tweak.
3260 (genrtl_expr_stmt): Likewise.
3261 (genrtl_decl_stmt): Handle local labels, and call
3262 lang_expand_decl_stmt if required.
3263 (genrtl_for_stmt): Fix line-number handling.
3264 (genrtl_case_label): Handle cleanups.
3265 (genrtl_asm_stmt): Don't call combine_strings.
3266 (genrtl_compound_stmt): Simplify.
3267 (expand_stmt): Handle SCOPE_STMTs.
3268 * c-tree.h (struct lang_decl): New structure.
3269 (C_DECLARED_LABEL_FLAG): Remove.
3270 (c_begin_compound_stmt): Declare.
3271 (c_expand_decl_stmt): Likewise.
3272 (c_expand_start_case): Rename to c_start_case.
3273 (c_finish_case): New function.
3274 * c-typeck.c (start_init): Tweak setting of
3275 constructor_incremental.
3276 (c_expand_asm_operands): Tweak error-handling. Add to the
3278 (c_expand_return): Add to the statement-tree.
3279 (c_expand_start_case): Rename to ...
3280 (c_start_case): ... this.
3281 (struct c_switch): New type.
3282 (switch_stack): New variable.
3283 (do_case): Simplify.
3284 (c_finish_case): New function.
3285 * dependence.c: Include expr.h.
3286 (enum dependence_type): Change spelling of enumerals.
3287 (check_node_dependence): Adjust.
3288 * expr.h (lang_safe_from_p): Declare.
3289 (safe_from_p): Likewise.
3290 * expr.c (lang_safe_from_p): New variable.
3291 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
3292 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
3293 * toplev.c (rest_of_decl_compilation): Robustify.
3294 * tree.c (contains_placeholder_p): Likewise.
3295 * Makefile.in: Update dependencies.
3296 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
3297 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
3298 (objc_expand_function_end): New function.
3299 (finish_method_def): Use it.
3300 (init_objc): Initialize more language-specific hooks.
3301 * objc/Make-lang.in: Update dependencies.
3303 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
3305 * configure.in: Define macros that affect features before
3306 testing for features. Don't define _XOPEN_SOURCE.
3307 * configure: Regenerated.
3308 * config.in: Regenerated.
3310 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
3312 * rtlanal.c (rtx_varies_p): Volatile asms vary.
3313 (rtx_unstable_p): Restructure code. Volatile asms
3316 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3318 * function.h (no_debugging_symbols): New field.
3319 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
3320 Initialize no_debugging_symbols.
3321 (output_inline_function): Save and restore write_symbols and set from
3322 no_debugging_symbols.
3323 * toplev.c (rest_of_compilation): Call save_for_inline.
3324 * tree.h: Update comment.
3326 * stor-layout.c (place_field): Don't do anything if field or
3327 its type are ERROR_MARK.
3329 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
3331 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
3332 (read_include_file): Ensure inc->mmaped is initialized.
3334 2000-09-16 Richard Henderson <rth@cygnus.com>
3336 * cppiles.c (purge_cache): Use PTR not caddr_t.
3338 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
3340 * gcc.c: In description for %{<S}, say the option removed is -S.
3341 * invoke.texi (Spec Files): Ditto.
3343 2000-09-16 Andreas Jaeger <aj@suse.de>
3345 * configure.in: Always define _GNU_SOURCE to make interfaces
3346 visible that were hidden by only defining _GNU_SOURCE.
3347 * configure: Regenerated.
3349 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
3351 * cpplex.c (push_macro_context): Set an argument's level after
3352 calling parse_args. We could loop infinitely otherwise.
3354 2000-09-15 Tom Tromey <tromey@cygnus.com>
3356 * configure, config.in: Rebuilt.
3357 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
3359 2000-09-15 Greg McGary <greg@mcgary.org>
3361 * cppmacro.c (check_trad_stringification): Check token
3362 text pointers against limit before dereferencing.
3364 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
3366 * c-common.c (format_wanted_type): New structure.
3367 (check_format_types): New function.
3368 (check_format_info): Pass all checking of types of format
3369 arguments, including width and precision arguments, to this new
3372 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3374 * BUGS: Remove file.
3376 2000-09-15 Jakub Jelinek <jakub@redhat.com>
3378 * config/alpha/alpha.c (override_options): ev6 cache latencies
3379 from Richard Henderson. Don't allow -mmemory-latency=L0.
3381 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
3382 (TARGET_OPTIONS): Add tune=.
3383 (alpha_tune_string): Declare.
3384 * config/alpha/alpha.c (override_options): Add cpu_table.
3385 Use alpha_cpu_string first to set both alpha_cpu and target_flags
3386 and then alpha_tune_string to set alpha_cpu only.
3387 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
3388 * config/alpha/elf.h (ASM_FILE_START): Likewise.
3389 * config/alpha/osf.h (ASM_FILE_START): Likewise.
3390 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
3392 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3394 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
3396 (ix86_comparison_operator, ix86_cc_mode): Declare
3397 * i386.h (CCGC, CCGCO): New modes.
3398 (SELECT_CC_MODE): Move offline to ....
3399 * i386.c (ix86_cc_mode): .... here; use new modes.
3400 (ix86_comparison_operator): New.
3401 (fcmov_comparison_operator): Ensure proper mode.
3402 (put_condition_mode): More sanity checking.
3403 (ix86_match_ccmode): Handle new modes.
3404 (ix86_expand_fp_compare): GEU requires CCmode.
3405 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
3407 * i386.md (cmp?i_ccz_1): Remove
3408 (cmp?i_ccno_1): Use ix86_match_ccmode.
3409 (cmp?i_minus_1): New.
3410 (cmpsi_1): New expander.
3411 (cmpqi_ext_1): Use match_ccmode
3412 (cmpqi_ext_3): New expander.
3413 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
3414 (cmpqi_ext_4): Use match_ccmode.
3415 (add?i_?): Use match_ccmode.
3417 (test?i_ccz_1): Remove
3419 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
3420 (testqi_ext_0): Use ix86_match_ccmode.
3421 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
3422 (xorqi_cc_ext_1): New expander.
3423 (shift patterns): Use CCGOCmode for all shifts except for sar.
3424 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
3425 (setcc_3, jcc_3, miv?icc_c): Remove.
3427 2000-09-15 Will Cohen <wcohen@redhat.com>
3429 * dwarf2out.c (add_const_value_attribute): Changed array into a
3430 xmalloced object, so it exists after function exit.
3431 (free_AT): Added case for dw_val_class_float to free allocated
3434 2000-09-15 Kazu Hirata <kazu@hxi.com>
3436 * config/i386/i386.md: Fix a comment typo.
3437 * gcc.c: Fix formatting.
3439 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3441 * optabs.c (emit_libcall_block): If target is a user variable,
3442 copy to a temporary first.
3443 * expr.c (convert_move): When generating a libcall, make a libcall
3445 * calls.c (emit_library_call_value_1): Don't create a libcall
3446 sequence here; our caller will in most cases do it.
3448 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
3450 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
3451 * sh.md (reload_outsf): Generate recognizable patterns for
3453 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
3454 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
3455 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
3456 truncdfsf2_i4): Change not to use explicit references to fpul.
3457 (floatsisf2_ie): Remove USE of fpscr.
3458 (floatsisf2): Change default expansion to match this.
3459 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
3462 2000-09-15 Richard Henderson <rth@cygnus.com>
3464 * expmed.c (store_bit_field): Consider naturally aligned
3465 memory for direct reference.
3467 2000-09-15 Richard Henderson <rth@cygnus.com>
3469 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
3470 AND addresses into alias set 0.
3471 (alpha_expand_unaligned_store): Likewise.
3472 (alpha_expand_unaligned_load_words): Likewise.
3473 (alpha_expand_unaligned_store_words): Likewise.
3475 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
3477 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
3478 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
3480 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
3481 rsize of UNITS_PER_WORD.
3483 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
3485 * cpplex.c (ON_REST_ARG): Correct the test.
3486 (maybe_paste_with_next): Duplicate a token that fail pasting,
3487 and clear its PASTE_LEFT flag, so that nested pasting attempts
3490 2000-09-14 Richard Henderson <rth@cygnus.com>
3492 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
3493 * cse.c (rtx_cost): Likewise.
3494 * optabls.c (expand_binop): Likewise.
3495 (expand_twoval_binop, prepare_cmp_insn): Likewise.
3496 * regclass.c (copy_cost): Likewise.
3497 * reload1.c (reload_cse_move2add): Likewise.
3499 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
3501 * c-parse.in (reswords): Add _Complex.
3503 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3505 * gcc.1: Delete documentation for -undef preprocessor option.
3507 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
3509 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3510 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
3511 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3512 Remove undefine before config/elfos.h.
3513 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
3515 2000-09-14 Kazu Hirata <kazu@hxi.com>
3517 * invoke.texi (H8/300 Options): Add -ms2600.
3518 * config/h8300.c (h8300_init_once): Output an error when -ms2600
3519 is used without -ms.
3520 * config/h8300.h (TARGET_MAC): New.
3521 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
3522 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
3523 machine other than H8/S2600.
3524 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
3527 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
3529 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
3530 pseudos that refer to the original pseudos, not only to their
3531 equivalent memory locations.
3533 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3535 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
3536 when making new MEM.
3538 * Makefile.in (LN): Remove duplicate definition.
3540 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3542 From Joern Rennecke:
3543 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
3544 on an insn and function_invariant_p returns nonzero for the source,
3545 add a REG_EQUAL note.
3547 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
3549 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
3550 conflict with frame_pointer_rtx.
3552 2000-09-13 Kazu Hirata <kazu@hxi.com>
3554 * loop.c: Fix formatting.
3557 2000-09-13 Richard Henderson <rth@cygnus.com>
3559 * config/ia64/ia64.md (divsf3): New.
3560 (divsf3_internal_lat, divsf3_internal_thr): New.
3561 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
3562 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
3563 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
3564 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
3565 (nmadddf4_alts, nmadddf4_trunc): New.
3566 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
3567 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
3568 (multf3_truncsf_alts, multf3_truncdf_alts): New.
3569 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
3570 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
3571 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
3572 (nmaddtf4_truncdf_alts): New.
3573 (recip_approx): Don't predicate.
3575 2000-09-13 Richard Henderson <rth@cygnus.com>
3577 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
3579 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3581 * flags.h (flag_dump_rtl_in_asm): Declare.
3582 * toplev.c (flag_dump_rtl_in_asm): Define.
3583 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
3584 if -dP is specified.
3585 * rtl.h (print_rtx_head): Declare.
3586 * print-rtl.c (print_rtx_head): Define.
3587 (print_rtx): Print the string pointed to by print_rtx_head
3588 at beginning of each dump line.
3589 (print_rtl): Likewise.
3590 (print_rtl_single): Likewise.
3591 * final.c (final_scan_insn): Dump the insn in the assembly
3593 * gcc.1: Document -dP option.
3594 * invoke.texi (Debugging Options): Likewise.
3596 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3598 * md.texi (Machine Constraints): Document the 68HC11 constraints.
3599 * install.texi (Configurations): Document the 68HC11&68HC12 port.
3600 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
3602 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
3604 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
3605 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
3606 (*clrstrqi): Likewise.
3607 (xorhi3,xorsi3,absqi2): Likewise.
3608 (one_cmplhi2,one_cmplsi2): Likewise.
3609 (addsi3): Two stupid constraint alternatives removed.
3610 (extendhisi2): Use `movw' for enhanced avr cores.
3611 (zero_extendhisi2): Likewise.
3613 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
3615 * alias.c (find_base_term): Use frame_pointer_rtx
3616 when handling an ADDRESSOF.
3618 * cse.c (canon_hash): Handle USE of BLKmode memory.
3619 (cse_insn): Outgoing arguments for a libcall don't
3620 affect any recorded expressions.
3622 2000-09-12 Tom Tromey <tromey@cygnus.com>
3624 * configure, config.in: Rebuilt.
3625 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
3627 2000-09-12 Jakub Jelinek <jakub@redhat.com>
3629 * c-lex.c (lex_string): Use charwidth to compute bytemask.
3630 * expr.c (expand_expr): Don't optimize constant array references
3631 initialized with wide string constants.
3633 2000-09-13 Michael Hayes <mhayes@cygnus.com>
3635 * loop.c (note_set_pseudo_multiple_uses): Correct.
3637 2000-09-12 Jim Wilson <wilson@cygnus.com>
3639 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
3640 else block, and X has side-effects, then fail.
3642 2000-09-12 Greg McGary <greg@mcgary.org>
3644 * config/mips/mips-protos.h
3645 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
3646 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
3647 (PREDICATE_CODES): Add "trap_cmp_op".
3648 * config/mips/mips.c
3649 (trap_cmp_op, mips_gen_conditional_trap): New functions.
3650 * config/mips/mips.md (trap, conditional_trap): New patterns.
3652 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3654 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
3657 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3659 * builtins.c (built_in_decls): New array.
3660 (expand_builtin_fputs): New function.
3661 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
3663 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
3665 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
3667 * tree.h (built_in_decls): New array.
3669 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
3671 * convex.md: Use "+" instead of "=" for outputs wrapped in a
3673 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
3675 2000-09-12 Kazu Hirata <kazu@hxi.com>
3677 * haifa-sched.c: Fix formatting.
3679 * genattrtab.c: Fix formatting.
3681 * unroll.c: Fix formatting.
3683 2000-09-12 Bruce Korb <bkorb@gnu.org>
3685 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
3686 remove obsolete code
3687 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
3688 * fixinc/fixincl.tpl: make non-exported arrays static scope
3689 * fixinc/fixincl.x: regenerate
3690 * fixinc/fixlib.h: Use PARAMS, not _P_
3691 * fixinc/fixtests.c: make a type for the test proc & use it
3692 * fixinc/server.h: Use PARAMS, not _P_
3694 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3696 * c-typeck.c (process_init_element): Avoid union init warnings on
3697 floating point zero. Don't crash on unions containing structs.
3699 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
3701 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
3702 general_movsrc_operand, and remove CONST_INT from
3703 general_movdst_operand.
3705 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
3707 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
3708 if a reference to non-fixed hardreg is seen. Otherwise, count hard
3709 regs with a higher cost.
3710 (preferrable): Deal with cases where either cost or regcost is
3712 (cse_insn): Use MAX_COST rather than 10000. Always initialize
3714 (COSTS_N_INSNS): Move definition...
3716 (MAX_COST): New macro.
3717 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
3720 2000-09-11 Mark Mitchell <mark@codesourcery.com>
3722 * c-common.h (genrtl_clear_out_block): Remove.
3723 * c-semantics.c (genrtl_clear_out_block): Remove.
3724 (genrtl_while_stmt): Don't call it.
3725 (genrtl_for_stmt): Likewise.
3727 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
3729 * cppfiles.c: Move all default-#defines to top of file.
3730 (open_include_file): Replace by lookup_include_file.
3731 (read_with_read, read_file): Merged into read_include_file.
3732 (stack_include_file, purge_cache): New functions.
3733 (close_cached_fd): Delete.
3734 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
3735 Cache the in-memory buffer, not the file descriptor.
3737 * cpphash.h (struct include_file): Add buffer, st, refcnt,
3739 (xcnew): New utility macro.
3740 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
3741 * cpplib.h (struct cpp_buffer): Remove mapped field.
3743 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
3745 * cpplex.c (parse_string): Accept backslash space newline as a
3747 (lex_line): Likewise.
3748 (_cpp_get_token): Remove hard limit on macro nesting.
3750 2000-09-12 Philipp Thomas <pthomas@suse.de>
3752 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
3753 * configure: Rebuilt.
3755 2000-09-13 Michael Hayes <mhayes@cygnus.com>
3757 * flow.c (split_block): Fix update of registers live at
3760 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3762 * i386.md (add?i_3, add?i_5): New.
3763 (add?i_4): Rename from add?i_3; Fix compare pattern.
3764 (sub?i_3, xor?i_3, ior?i_3): New.
3766 * genrecog.c (write_tree): Output code to clear insn_extract cache.
3767 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
3768 instead of extract_insn and extract_constrain_insn_cache instead of
3769 extract_insn and constrain_operands.
3770 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
3772 (extract_insn): Clear which_alternative.
3773 (constrain_operands): Set which_alternative to -1 when failed.
3774 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
3777 2000-09-11 Matthew Hiller <hiller@redhat.com>
3779 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
3780 on operand 0 to '+'.
3781 (movstricthi): Likewise.
3783 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3785 * loop.h (LOOP_IVS): New macro.
3786 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
3787 (struct loop_ivs): New.
3788 (struct loop_info): Add ivs field.
3789 (reg_iv_type, reg_iv_info): Delete prototype.
3790 (reg_biv_class, loop_iv_list): Likewise.
3791 * loop.c (record_biv, find_life_end): Pass loop argument.
3792 (reg_iv_type): Remove global array and use
3793 field in loop_regs structure within loop_ivs structure.
3794 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
3795 (first_increment_giv, last_increment_giv): Use entry in
3797 (record_initial): Pass ivs pointer.
3798 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
3800 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3802 * loop.h (LOOP_REGS): New macro.
3803 (struct loop_regs): New.
3804 (struct loop_info): Add regs field.
3805 * loop.c (set_in_loop): Remove global array and store
3806 in loop_regs structure as part of loop_info structure.
3807 (n_times_set, may_not_optimize): Likewise.
3808 (reg_single_usage, moved_once): Likewise.
3809 (count_one_set): Add regs argument.
3810 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
3811 (set_pseudo_multiple_uses): Pass regs pointer.
3813 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3815 * unroll.c (iteration_info): Subsume into loop_iterations.
3816 * loop.h (loop_info): New field iv.
3818 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3820 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
3821 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
3822 (flow_loops_update): New prototype.
3823 (flow_loops_find): Add flags to prototype.
3824 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
3825 * flow.c (flow_loop_pre_header_scan): New.
3826 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
3827 (flow_loop_free): Free pre-header root and trace and exit dominators.
3828 (flow_loops_find): New argument flags.
3829 (flow_loops_update): New function.
3830 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
3832 2000-09-12 Michael Hayes <mhayes@cygnus.com>
3834 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
3835 * flow.c (split_block, update_bb_for_insn): New functions.
3837 2000-09-11 Richard Henderson <rth@cygnus.com>
3839 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
3841 2000-09-11 Richard Henderson <rth@cygnus.com>
3843 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
3844 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
3845 (ia64_override_options): Prevent optimizing division for both
3846 latency and throughput.
3847 (rtx_needs_barrier): Handle frcpa.
3848 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
3849 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
3850 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
3851 (TARGET_SWITCHES): Add -minline-divide-min-latency and
3852 -minline-divide-max-throughput.
3853 (PREDICATE_CODES): Update.
3854 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
3855 (zero_extendsidi2): Likewise. Fix typo in f case insn.
3856 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
3857 (extendsftf2): Likewise.
3858 (extenddftf2): Likewise.
3859 (fix_trunctfdi2_alts): New.
3860 (fixuns_trunctfdi2_alts): New.
3861 (madd*4): Rename from madd*3.
3862 (divsi3, modsi3, udivsi3, umodsi3): New.
3863 (divsi3_internal): New.
3864 (divdi3, moddi3, udivdi3, umoddi3): New.
3865 (divdi3_internal_lat, divdi3_internal_thr): New.
3866 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
3867 (recip_approx): New.
3869 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
3871 * print-rtl.c (debug_call_placeholder_verbose): New variable.
3872 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
3874 * integrate.c (copy_rtx_and_substitute): Don't share
3875 LEAF_REG_REMAPpable registers with the inlined function. Don't
3876 share the function value with calling sequences.
3878 2000-09-11 Jakub Jelinek <jakub@redhat.com>
3880 * c-decl.c (do_case): Fix a typo.
3882 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
3883 to a if the comparison is floating mode and not -ffast-math.
3884 * simplify-rtx.c (simplify_ternary_operation): Likewise.
3886 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3888 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
3889 gen_ic_invalidate_line.
3891 2000-09-11 Philip Blundell <pb@futuretv.com>
3893 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
3895 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
3897 * install.texi (LANGUAGES): Update to include new languages.
3900 2000-09-11 DJ Delorie <dj@redhat.com>
3902 * gcc.c (main): Don't warn about unused -B prefixes
3903 (unused_prefix_warnings): remove
3905 2000-09-11 Kazu Hirata <kazu@hxi.com>
3907 * final.c: Fix formatting.
3909 * integrate.c: Fix formatting.
3911 2000-09-11 Geoff Keating <geoffk@cygnus.com>
3913 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
3915 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
3917 * reload.c (regno_clobbered_p): Fix thinko in previous change.
3919 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3921 * gcc.1: Document 68hc11 specific options.
3923 2000-09-10 Geoff Keating <geoffk@cygnus.com>
3925 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
3926 (TARGET_LONG_DOUBLE_128): Define.
3927 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
3928 (LONG_DOUBLE_TYPE_SIZE): Redefine.
3929 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
3930 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
3931 of __LONG_DOUBLE_128__.
3932 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
3934 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
3935 (CPP_SYSV_DEFAULT_SPEC): Define.
3936 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
3937 (INIT_TARGET_OPTABS): Define.
3939 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
3940 (RS6000_UITRUNC): Likewise.
3941 (INIT_TARGET_OPTABS): New macro.
3942 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
3943 (trunc_defined): Delete.
3944 (output_prolog): Don't output .extern definitions for fp->int
3945 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
3946 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
3947 (trunc_defined): Delete.
3948 (RS6000_ITRUNC): Moved to aix.h.
3949 (RS6000_UITRUNC): Likewise.
3950 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
3951 only emit a libcall.
3952 (fixuns_truncdfsi2): Delete.
3953 (trunc_call): Delete.
3954 (trunc_call_rtl): Delete.
3956 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
3958 * varasm.c (make_decl_rtl): Restore leading star on
3959 DECL_ASSEMBLER_NAME set for decls with an asmspec.
3961 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
3963 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
3964 won't give a spurious error for '#pragma pack()'. Simplify
3965 control flow for readability. 'reset' action is not necessary.
3967 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
3969 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
3970 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
3971 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
3972 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
3974 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
3975 profile.c, sdbout.c, tradcif.y, tree.c:
3976 Include defaults.h if not already included.
3977 Don't define the above macros.
3979 * Makefile.in: Update dependencies.
3981 2000-09-10 Mark Mitchell <mark@codesourcery.com>
3983 * c-common.h (add_stmt): Change prototype.
3984 (RECHAIN_STMTS): New macro.
3985 (CASE_LABEL_DECL): Likewise.
3986 (genrtl_case_label): Change prototype.
3987 (c_expand_start_case): Remove prototype.
3988 (build_case_label): Change prototype.
3989 (decl_constant_value): Declare.
3990 * c-common.c (check_case_value): Handle C++'s extensions to C
3992 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
3994 * c-parse.in (stmt): Adjust handling of return statements and case
3996 * c-semantics.c (add_stmt): Return the new statement.
3997 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
3998 returned expression. Directly generate RTL, rather than calling
4000 (genrtl_switch_stmt): Don't call c_expand_start_case.
4001 (build_case_label): Take the LABEL_DECL as input, too.
4002 (genrtl_case_label): Just call add_case_node.
4003 (expand_stmt): Adjust calls to genrtl_return_stmt and
4005 * c-tree.h (c_expand_start_case): Declare.
4006 * c-typeck.c (decl_constant_value): Give it external linkage.
4007 (c_expand_return): Don't call expand_return or expand_null_return;
4008 use genrtl_return_stmt instead.
4009 * stmt.c (struct nesting): Remove num_ranges field.
4010 (add_case_node): Give it external linkage.
4011 (expand_start_case): Don't set num_ranges.
4012 (expand_start_case_dummy): Don't clear it.
4013 (pushcase): Rely on add_case_node to handle `default' labels.
4014 (add_case_node): Handle `default' labels.
4015 * tree.c (tree_int_cst_compare): New function.
4016 * tree.h (tree_int_cst_compare): Declare.
4017 (add_case_node): Likewise.
4019 2000-09-10 Richard Henderson <rth@cygnus.com>
4021 * c-parse.in: Revert last change.
4022 (init_reswords): Do not enter disabled keywords into the ridpointers
4023 table, modulo objc weirdness.
4024 (_yylex): Return the canonical spelling for a keyword.
4026 2000-09-10 Philip Blundell <philb@gnu.org>
4028 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
4029 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
4031 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
4033 * alias.c (find_base_term): Handle ADDRESSOF.
4034 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
4036 2000-09-10 Denis Chertykov <denisc@overta.ru>
4038 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
4039 outputting templates with many lines.
4041 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4043 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
4044 to decide whether 64-bit support must be generated.
4046 2000-09-10 Richard Henderson <rth@cygnus.com>
4048 * c-parse.in (asm patterns): Fix volatile check.
4050 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4052 * cppmacro.c (check_trad_stringification): New function.
4053 (save_expansion): If -Wtraditional, warn about stringification of
4056 2000-09-11 Michael Hayes <mhayes@cygnus.com>
4058 * loop.h (struct loop_mem_info): Move from loop.c
4059 (struct loop_info): Add fields store_mems, mems, mems_idx,
4060 mems_allocated, unknown_address_altered,
4061 unknown_constant_address_altered, num_mem_sets, and
4062 first_loop_store_insn.
4064 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4065 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4066 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4067 (num_mem_sets): Likewise.
4068 (replace_loop_mems, replace_loop_regs): New.
4069 (struct loop_replace_args): New.
4070 (load_mems): Use replace_loop_mems.
4071 (try_copy_prop): Use replace_loop_regs.
4072 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4074 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4076 * configure.in: Recognize m6811-elf and m6812-elf.
4077 * configure: Regenerate.
4079 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4081 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4084 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4086 * loop.c (struct movables): New.
4087 (num_movables): Move into struct movables.
4088 (the_movables): Change type to struct movables.
4089 (ignore_some_movables): Change struct movable arg to struct movables.
4090 (force_movables, combine_movables, regs_match_p): Likewise.
4091 (rtx_equal_for_loop_p, move_movables): Likewise.
4092 (scan_loop): Change movables to be of type struct movables.
4093 Replace last_movable with field in movables structure.
4095 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4097 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4098 (init_pragma): Avoid warning if pfile happens to be unused.
4099 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4100 define init_pragma to nothing. Always prototype
4101 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4103 * c-lex.c (process_directive): Always call dispatch_pragma.
4104 Initialize entering_c_header to 0.
4106 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4108 * config/m68hc11/m68hc11.md: New file, machine description for
4110 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4111 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4112 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4113 * config/m68hc11/m68hc11-protos.h: New file.
4114 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4115 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4116 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4117 * config/m68hc11/larith.asm: New file, libgcc routines.
4119 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4121 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4122 (FPBIT_FUNCS): Add _usi_to_sf.
4123 * config/fp-bit.c (usi_to_float): New function.
4124 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4125 (usi_to_float): Add appropriate #define.
4127 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4129 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4131 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4132 * i386.md (attr "type"): Add sse and mmx types.
4133 (attr "memory"): Handle them without a crash.
4134 (movsi_1, movdi_2): Allow MMX regs.
4135 (movdi splits): Don't split moves involving MMX regs.
4136 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4137 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4138 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4139 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4140 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4141 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4142 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4143 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4144 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4145 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4146 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4147 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4148 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4149 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4150 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4151 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4152 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4153 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4154 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4155 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4156 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4157 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4158 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4159 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4160 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4161 mmx_clrdi): New patterns.
4163 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4165 * arm.c: Don't include tm.h directly.
4167 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4169 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4170 testing; simplify subregs of constants and nested subregs.
4172 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4174 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4176 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4178 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4180 * rtl.texi (description of USE): Add note about possible pitfalls
4182 From Richard Henderson:
4183 * reload1.c (choose_reload_regs): Compute need_mode properly.
4185 2000-09-07 Richard Henderson <rth@cygnus.com>
4187 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4188 (__modsi3, __umodsi3): Likewise.
4189 (__udivsi3): Likewise. Normalize the TFmode values.
4191 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4193 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4195 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4198 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4200 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4201 (cmpeqdi_t): Add output pattern.
4202 (cmpeqdi_t+1): Don't split when not optimizing.
4203 Restore proper splitting operation.
4205 2000-09-07 Richard Henderson <rth@cygnus.com>
4207 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4208 do not call dispatch_pragma.
4210 2000-09-07 Jim Wilson <wilson@cygnus.com>
4212 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4213 to CLASS_CANNOT_CHANGE_MODE.
4214 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4215 mode classes are different.
4217 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4219 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4220 left out of commit which removed cppulp.c.
4222 2000-09-07 Richard Henderson <rth@cygnus.com>
4224 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4225 after switch for CASE_DROPS_THROUGH.
4227 2000-09-07 Richard Henderson <rth@cygnus.com>
4229 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4230 Properly extend the biv initial value for the giv.
4231 (record_biv): Zero ext_dependant.
4232 (record_giv): New argument ext_val. Update all callers.
4233 (general_induction_var): Likewise.
4234 (consec_sets_giv): Likewise.
4235 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4236 a sign-extend, zero-extend, or truncate.
4237 (combine_givs_p): Make sure modes are compatible.
4238 (check_ext_dependant_givs): New.
4239 (extend_value_for_giv): New.
4240 * loop.h (struct induction): Add ext_dependant.
4241 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4242 (find_splittable_givs): Likewise.
4243 (final_giv_value): Likewise.
4245 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4247 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4248 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4249 definitions from cpplib.h.
4250 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4252 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4253 documentation for REGISTER_TARGET_PRAGMAS.
4255 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4256 default-pragma callback to implement -Wunknown-pragmas if
4258 * c-parse.in: Move all includes to top of file.
4259 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
4261 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
4263 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
4265 * arm.h, arm-protos.h, arm.c,
4266 c4x.h, c4x-protos.h, c4x.c,
4267 h8300.h, h8300-protos.h, h8300.c,
4268 i370.h, i370-protos.h, i370.c,
4269 i960.h, i960-protos.h, i960.c,
4270 sh.h, sh-protos.h, sh.c,
4271 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
4272 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
4274 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
4275 multiple include guard.
4276 * i370.md (untyped_call): Use GEN_CALL.
4277 (umodsi3): Remove unused variable.
4278 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
4279 * v850.c (output_move_single, output_move_double): Constify
4281 (print_operand): Constify a char *.
4282 * v850.h (struct small_memory_info): Constify name member.
4284 2000-09-07 Kazu Hirata <kazu@hxi.com>
4286 * config/h8300.h: Fix comment typos.
4287 * config/h8300/h8300.md: Likewise.
4288 * config/h8300/lib1funcs.asm: Likewise.
4290 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
4292 * Makefile.in: Remove references to cppulp.{c,o}.
4293 * cppinit.c (initialize_builtins, cpp_start_read,
4294 cpp_handle_option): Update to use cpp_options structure.
4297 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
4299 * c-common.c (time_char_table): Allow %#b and %#h.
4301 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4303 * reorg.c (find_end_label): If the basic block reorder pass moves the
4304 return insn to some other place try to locate it again and put our
4305 end_of_function_label there.
4306 * reorg.c (relax_delay_slots): Check if find_end_label created a
4307 new label that invalidates the current optimazation.
4309 2000-09-07 Catherine Moore <clm@redhat.com>
4311 * unroll.c (unroll_loop): Check for unconditional jumps
4312 to loop continuation. Delete if n_iterations is 1.
4313 (ujump_to_loop_cont): New routine.
4315 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
4317 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
4319 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
4320 to handle multiword modes correctly. All callers and the declaration
4323 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4325 * c-common.h (prep_stmt): Declare.
4326 (lang_expand_stmt): Likewise.
4327 * c-decl.c (lang_expand_stmt): Remove.
4328 * c-semantics.c (lang_expand_stmt): Define.
4329 (prep_stmt): New function.
4330 (expand_stmt): Handle common statement types here.
4332 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
4334 * configure.in (sh-*-linux*): Added.
4335 * configure: Rebuilt.
4336 * config/sh/t-linux: New file.
4337 * config/sh/sh.h (USERMODE_BIT): Define.
4338 (TARGET_USERMODE): Likewise.
4339 (TARGET_SWITCHES): New switches for the bits above.
4340 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
4341 * config/sh/linux.h: New file.
4342 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
4343 underscore on linux.
4344 (L_sdivsi3, L_udivsi3): Define for linux.
4345 (L_ic_invalidate): Define.
4346 * invoke.texi (SH Options): Document -musermode.
4348 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
4350 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
4351 CSE unless generating PIC.
4353 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
4356 2000-09-06 H.J. Lu (hjl@gnu.org)
4358 * Makefile.in (clean_s1): Depend on stage_b.
4359 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
4360 stage2. They are used for "make compare".
4362 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4364 Move statement-tree facilities from C++ to C front-end.
4365 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
4366 (void_zero_node): New macro.
4367 (struct stmt_tree_s): New type.
4368 (stmt_tree): New typedef.
4369 (struct language_function): New type.
4370 (last_tree): New macro.
4371 (last_expr_type): Likewise.
4372 (walk_tree_fn): New typedef.
4373 (current_stmt_tree): New function.
4374 (begin_stmt_tree): Likewise.
4375 (add_stmt): Likewise.
4376 (finish_stmt_tree): Likewise.
4377 (statement_code_p): Likewise.
4378 (lang_statement_code_p): New variable.
4379 (walk_stmt_tree): New function.
4380 (STMT_IS_FULL_EXPR_P): New macro.
4381 * c-common.c (lang_statement_code_p): New variable.
4382 (c_common_nodes_and_builtins): Initialize void_zero_node.
4383 (statement_code_p): New function.
4384 (walk_stmt_tree): Likewise.
4385 * c-decl.c (language_function): Rename to ...
4386 (c_language_function): ... this. Include language_function.
4387 (push_c_function_context): Adjust accordingly.
4388 (pop_c_function_context): Likewise.
4389 (mark_c_function_context): Likewise.
4390 (current_stmt_tree): Define.
4391 * c-semantics.c (begin_stmt_tree): New function.
4392 (add_stmt): Likewise.
4393 (prune_unused_decls): Likewise.
4394 (finish_stmt_tree): Likewise.
4396 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4398 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
4400 2000-09-06 Kazu Hirata <kazu@hxi.com>
4402 * calls.c: Fix formatting.
4404 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
4406 * config/i386/i386.h (ADDRESS_COST): Fix typo.
4408 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4410 Integrated preprocessor.
4412 * Makefile.in: Remove all references to c-parse.gperf,
4413 c-gperf.h, and c-parse.h. Remove -d from yacc command line
4414 generating c-parse.c. Update dependencies.
4415 * c-parse.gperf, c-gperf.h: Delete.
4417 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
4418 yy_lim, or yy_get_token. Don't define get_directive_line if
4420 * c-common.h: Add multiple include guard. Define RID values
4421 for every keyword in C, C++, and Objective C. Put all the
4423 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
4424 * c-decl.c (c_decode_option): Handle -lang-objc here.
4425 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
4426 (grokdeclarator): Adjust for new RID scheme.
4427 (extract_interface_info): New stub.
4428 * c-lang.c: Don't declare yy_cur or parse_options.
4429 (lang_init_options): Call cpp_init. Don't call
4431 (lang_init): Don't call check_newline if USE_CPPLIB.
4433 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
4434 Elide lots of unnecessary code if USE_CPPLIB. Delete code
4435 rendered unnecessary by new architecture. Move routines not
4436 shared with C++ to c-parse.in. Maintain a local idea of the
4437 line number. Handle C++ as well as C.
4438 [USE_CPPLIB]: Declare and register callbacks for #ident and
4439 for entering/leaving files.
4440 (init_c_lex, c_lex): Are now the entry points to this file.
4441 (check_newline): Break out directive handling to
4443 (read_ucs, is_extended_char, utf8_extend_token): Moved here
4445 (readescape, parse_float): Overhaul.
4446 (lex_number, lex_string, lex_charconst): Break out of c_lex
4448 (get_fileinfo, update_header_times, dump_one_header,
4449 dump_time_statistics): New and/or moved here from C++.
4450 Support per-file data needed by C++ and per-header timing
4451 statistics (C++ only, at the moment).
4452 * c-lex.h: Update prototypes. Add multiple include guard.
4453 * c-tree.h (struct lang_identifier): Add rid_code field.
4454 (C_IS_RESERVED_WORD, C_RID_CODE): New.
4456 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
4457 reinit_parse_for_function and/or position_after_white_space.
4458 (save_filename, save_lineno): Look ahead before saving.
4459 (label -> identifier ':'): Save file and line before shifting ':'.
4460 (reservedwords): No need to call get_identifier.
4461 (init_parse, finish_parse, yyerror, yylex, yyprint,
4462 make_pointer_declarator): Are now here for C/ObjC.
4463 (rid_to_yy): Conversion table from RID constants to Yacc codes.
4465 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
4466 #pragma registry. Provide dummy implementation of that
4467 interface if !USE_CPPLIB.
4468 * c-pragma.h: Update to match.
4470 * flags.h: Add multiple include guard.
4471 (flag_detailed_statistics): Moved here from C++.
4472 * toplev.c: Define flag_detailed_statistics.
4474 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
4476 * timevar.def (TV_CPP, TV_LEX): New.
4477 * timevar.h: Add multiple include guard.
4479 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
4481 * objc/objc-act.c: Don't mention yy_cur or parse_options.
4482 Initialize cpplib properly. Force lineno to 0 after first
4483 call to check_newline. Don't handle -lang-objc here.
4484 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
4486 2000-09-06 David Edelsohn <edelsohn@gnu.org>
4488 * rs6000.md: Correct function unit definitions for cr_logical and
4490 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
4491 and use portable method for >=0 and floating point >=. Remove
4492 associated matchers.
4494 2000-09-06 Mark Mitchell <mark@codesourcery.com>
4496 * extend.texi: Mark named return value extension as deprecated.
4498 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4500 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
4503 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
4505 * toplev.c (display_help): Fix thinko in documentation.
4507 * diagnostic.h (output_buffer::indent_skip): New fields.
4508 (output_indentation): New macro.
4510 * diagnostic.c (output_indent): New function.
4511 (output_set_prefix, clear_diagnostic_info): Use.
4512 (output_emit_prefix): Predict future indentation.
4514 2000-09-06 DJ Delorie <dj@redhat.com>
4516 * Makefile.in (stage_*): add more dependencies to ensure parallel
4517 builds build correctly
4519 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
4521 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
4522 not bootstrap-lean_f.
4524 2000-09-06 Andreas Schwab <schwab@suse.de>
4526 * mklibgcc.in: Emit rule for libgcc-stage-start.
4527 * Makefile.in (stage1-start, stage2-start, stage3-start,
4528 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
4530 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
4532 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
4533 (update_equiv_regs): Likewise, except for the mn10200 kludge.
4534 (combine_regs): Likewise.
4536 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
4537 * cse.c: Include "basic-block.h".
4538 (struct table_elt): New field REGCOST.
4539 (CHEAP_REG): Delete macro.
4540 (COST): Return 0 for REGs.
4541 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
4542 (notreg_cost): Return 0 for appropriate SUBREGs.
4543 (COSTS_N_INSNS): Return N * 2.
4544 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
4546 (CHEAPER): Use new function preferrable.
4547 (insert): Initialize REGCOST member.
4548 (find_best_addr): Use approx_reg_cost for estimation of register
4550 (cse_insn): Likewise.
4551 * loop.c (iv_add_mult_cost): New function.
4552 (add_cost, shift_cost, mult_cost): Delete variables.
4553 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
4554 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
4555 Make code that detects autoinc opportunities slightly less optimistic.
4556 (simplify_giv_expr): If expression contains other reg that is also a
4557 giv, only increment benefit if this is the only use of that reg.
4558 (consec_sets_giv): Take that change into account.
4559 (combine_givs): Slightly more verbose output.
4561 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
4562 not the cost of an equivalent shift.
4563 * sh-protos.h (addsubcosts): Declare.
4564 * sh.c (addsubcosts): New function.
4565 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
4566 (RTX_COSTS): Tweak. Use addsubcosts.
4567 (ADDRESS_COST): Return higher cost for reg+reg addressing.
4569 2000-09-06 Geoff Keating <geoffk@cygnus.com>
4571 * config/rs6000/rs6000.c (validate_condition_mode): New function.
4572 (branch_comparison_operator): Call validate_condition_mode to
4573 abort rather than returning 0.
4574 (branch_positive_comparison_operator): New function.
4575 (scc_comparison_operator): Call validate_condition_mode to abort
4576 rather than returning 0.
4577 (ccr_bit): Call validate_condition_mode. Update for
4579 (print_operand): Delete %C modifier. Update %E case
4580 to use EQ bit not SO bit.
4581 (rs6000_reverse_condition): New function.
4582 (rs6000_generate_compare): New function.
4583 (rs6000_emit_sCOND): New function.
4584 (rs6000_emit_cbranch): New function.
4585 (output_cbranch): The length of a long branch insn is
4586 now only 8 bytes. Add validate_condition_mode. Use
4587 rs6000_reverse_condition. Remove cror generation.
4589 * config/rs6000/rs6000.h: Update comments.
4590 (PREDICATE_CODES): Add new predicate. Update codes used
4591 by branch_comparison_operator and scc_comparison_operator.
4592 * config/rs6000/rs6000-protos.h: Add prototypes for
4593 new external functions.
4594 * config/rs6000/rs6000.md: Add new scheduling parameters
4595 for cr_logical instructions. Change length of branch
4597 (bCOND patterns): Call rs6000_emit_cbranch.
4598 (sCOND patterns): Call rs6000_emit_sCOND.
4599 (branch patterns): Change lengths to 4.
4600 (cr logical patterns): New.
4602 2000-09-06 Richard Henderson <rth@cygnus.com>
4604 * config/i386/i386.md (call_pop): Fix test for setting
4605 current_function_uses_pic_offset_table.
4606 (call, call_value_pop, call_value): Likewise.
4608 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4610 * timevar.c (timevar_add): Delete.
4611 (timevar_get): Also count time since the selected timer was
4612 last updated. Do not examine the timevar stack if the
4613 selected timer is standalone.
4615 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4617 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
4619 2000-09-05 Jason Merrill <jason@redhat.com>
4621 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
4622 for 'extern' arrays.
4624 2000-09-05 Richard Henderson <rth@cygnus.com>
4626 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
4627 Eliminate final copy from non-trapping case.
4628 (__divdf3, __divsf3): Likewise.
4630 2000-09-05 Richard Henderson <rth@cygnus.com>
4632 * config/ia64/ia64.md (mulhi3): Fix typo last change.
4633 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
4635 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
4637 * Makefile.in: Restructure bootstrap stages to allow clean
4638 restart after failure.
4640 2000-09-05 Richard Henderson <rth@cygnus.com>
4642 * config/ia64.md (movsi and movdi patterns): Allow moves from
4643 8-bit constants to AR registers.
4645 2000-09-05 Richard Henderson <rth@cygnus.com>
4647 * config/ia64/ia64.md (mulhi3): New.
4649 2000-09-05 Richard Henderson <rth@cygnus.com>
4651 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
4652 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
4653 Optimization Guide, minimum latency alternative.
4654 (__moddi3, __udivdi3, __umoddi3): Likewise.
4655 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
4657 2000-09-05 Bruce Korb <bkorb@gnu.org>
4659 * fixinc/fixincl.c (load_file): always read header files
4660 with sizes that are a multiple of the page size.
4661 & use libiberty's getpagesize for determining that.
4663 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
4665 * gcse.c (hash_string_1): Add prototype.
4666 * cse.c (canon_hash_string): Likewise.
4668 2000-09-04 Craig Newell <CraigN@ieee.org>
4670 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
4672 2000-09-04 Andreas Schwab <schwab@suse.de>
4674 * Makefile.in (STAGESTUFF): Remove libgcc.
4675 (stage1-start, stage2-start, stage3-start): Copy the contents of
4676 the libgcc directory explicitly.
4677 (mostlyclean): Clean libgcc.
4679 2000-09-04 Andrew Haley <aph@redhat.com>
4681 * dwarf2out.c: (stack_adjust_offset): New prototype.
4683 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
4685 * combine.c (make_extraction): Fix rtx_cost comparison to
4688 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
4690 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
4691 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
4692 Add '*' to insn pattern name.
4694 2000-09-04 Jakub Jelinek <jakub@redhat.com>
4696 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
4697 use posn - 1 to index into tokens array.
4698 (maybe_paste_with_next): Adjust caller.
4700 2000-09-03 Geoff Keating <geoffk@cygnus.com>
4702 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
4704 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
4705 (REGNO_REG_CLASS): Use symbolic register
4708 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
4710 * arm.c (final_prescan_insn): If the form of a jump insn isn't
4711 recognized, don't try to conditionally execute it.
4713 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
4715 * config/avr/avr.md ("*tablejump_lib"): New pattern.
4716 (call_value_insn): Right length claculation.
4717 (call_insn): Likewise.
4719 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
4721 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
4722 gas_output_limited_string, gas_output_ascii, output_movqi,
4723 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
4724 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
4725 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
4726 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
4727 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
4728 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
4729 Add "const" as needed to remove warnings.
4731 * config/avr/avr.c (avr_override_options, avr_init_once,
4732 function_prologue, function_epilogue, frame_pointer_required_p,
4733 class_likely_spilled_p, order_regs_for_local_alloc,
4734 avr_address_cost, avr_ret_register): Use K&R style arguments.
4735 (initial_elimination_offset, gas_output_limited_string):
4736 Remove ATTRIBUTE_UNUSED from the used arguments.
4737 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
4738 Use local variables src, dest, base to access operands[].
4739 Rename reg_dest to reg_src if that's what it is.
4740 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
4741 constants to LD_REGS if reg_was_0.
4742 (output_reload_insisf): Change arg 3 to insn length and set it.
4743 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
4744 access to 16-bit I/O register pairs.
4745 (avr_address_cost): Lower cost for the above case.
4746 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
4747 may be clobbered, also for LD_REGS.
4748 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
4751 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
4753 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
4754 macro to test_hard_reg_class function.
4755 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
4756 for loading immediate constants to LD_REGS.
4757 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
4760 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
4762 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
4763 * config/avr/libgcc.S: Lost part of the previous patch.
4765 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4767 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
4768 object before calling pthread_mutex_init.
4770 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
4772 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
4773 config/sh/crtn.asm: New files.
4774 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
4775 (crt1.o, crti.o, crtn.o): New targets.
4776 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
4778 * configure: Rebuilt.
4779 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4780 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
4781 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4782 Undefine for config/elfos.h to redefine.
4783 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
4785 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
4787 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
4788 legitimize_pic_address, output_pic_addr_const): Declare.
4789 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
4790 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
4791 (TARGET_SWITCHES): New switch -mprefergot.
4792 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
4793 (PIC_OFFSET_TABLE_REGNUM): Define.
4794 (GOT_SYMBOL_TABLE): Likewise.
4795 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
4796 (ENCODE_SECTION_INFO): Define.
4797 (FINALIZE_PIC): New macros.
4798 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
4799 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
4800 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
4801 (prepare_move_operands): Call emit_pic_move or
4802 emit_pic_const_move if appropriate.
4803 (output_far_jump): For PIC, use braf and output long offset.
4804 (machine_dependent_reorg):
4805 (sh_expand_prologue): Save and initialize the PIC register.
4806 (sh_expand_epilogue): Restore it.
4807 (initial_elimination_offset): Account for it.
4808 (nonpic_symbol_mentioned_p): New function.
4809 (legitimize_pic_address): Likewise.
4810 (output_pic_addr_const): Likewise.
4811 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
4812 (call, call_value): Use them.
4813 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
4814 symPLT_label2reg): New expands.
4815 * invoke.texi (SH Options): Document -mprefergot.
4817 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
4819 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
4820 * gcse.c (hash_string_1): New function.
4821 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
4822 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
4823 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
4824 (canon_hash_string): New function.
4825 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
4826 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
4827 (fold_rtx): Use ASM_OPERANDS accessor macros.
4828 * emit-rtl.c (copy_insn_1): Likewise.
4829 * integrate.c (copy_rtx_and_substitute): Likewise.
4830 * stmt.c (expand_asm_operands): Likewise. Give an
4831 ASM_OPERANDS rtx the mode of the output reg being set from it.
4833 2000-09-01 Fred Fish <fnf@be.com>
4835 * fix-header.c (write_rbrac): Add putc and getc to list of
4836 functions to protect against prior definition as a macro.
4838 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
4840 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
4841 (c_size_type_node): Define.
4842 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
4843 * c-common.c (enum format_lengths, enum format_std_version,
4844 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
4845 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
4846 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
4847 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
4848 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
4849 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
4850 format_types): Define.
4851 (format_char_info, print_char_table, scan_char_table,
4852 time_char_table): Rearrange for new organization of information
4853 about format length modifiers and standard versions.
4854 (T_ST): Redefine to use c_size_type_node.
4855 (check_format_info): Obtain information about length modifiers and
4856 standard versions from tables. Adjust warning message wordings.
4857 Use the name from the user's program for `ll' and `hh' length
4858 modifiers in warning messages. Use more informative names for
4859 wanted types where available (for wchar_t, wint_t, size_t, signed
4860 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
4862 2000-09-01 Jim Wilson <wilson@cygnus.com>
4864 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
4865 * combine.c (distribute_notes): Handle REG_NORETURN.
4866 * rtl.c (reg_note_name): Add REG_NORETURN.
4867 * rtl.h (enum reg_note): Likewise.
4869 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
4871 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
4872 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
4873 (emit_predicate_relation_info): Handle conditional calls with
4875 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
4876 instead of ia64_file_start.
4877 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
4878 * config/ia64/ia64.md (safe_across_calls_all,
4879 save_across_calls_normal): New patterns.
4881 * loop.c (check_final_value): Check for biv use before checking for
4882 giv use. Check for both biv and giv uses. Always set last_giv_use
4883 if there is a giv use.
4885 2000-09-01 Richard Henderson <rth@cygnus.com>
4887 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
4888 (madddi3): Likewise.
4891 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4893 * expr.c (clear_storage): Don't use emit_move_insn unless
4894 either BLKmode or proper size.
4895 (store_constructor): Don't call clear_storage if REG of wrong size.
4897 * flow.c (init_propagate_block_info): Don't mark frame dead at end
4898 of function if returns wiht stack pointer depressed.
4900 2000-09-01 Andrew Haley <aph@redhat.com>
4902 * dwarf2out.c (stack_adjust_offset): New function.
4903 (dwarf2out_stack_adjust): Break out stack adjust logic into
4904 new stack_adjust_offset function. Look inside parallels and
4905 sequences for stack adjustments.
4907 2000-08-31 Jeff Law <law@cygnus.com>
4909 * arm.md: Use no_new_pseudos to determine when it is safe
4910 to create new pseudo registers.
4912 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
4913 when we can safely allocate new registers.
4915 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
4917 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
4918 so that CONCATs are not generated for ASMs.
4919 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
4920 not generating_concat_p.
4921 * function.c (pop_function_context_from): Reset
4922 generating_concat_p.
4923 (prepare_function_start): Likewise.
4924 * rtl.c (generating_concat_p): Define.
4925 * rtl.h (generating_concat_p): Declare.
4926 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
4928 2000-08-22 Philipp Thomas <pthomas@suse.de>
4929 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
4931 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
4934 2000-08-30 Greg McGary <greg@mcgary.org>
4936 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
4937 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
4938 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
4940 2000-08-30 Greg McGary <greg@mcgary.org>
4942 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
4943 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
4944 (TREE_INT_CST): New macro.
4945 * varasm.c (const_hash, compare_constant_1, record_constant_1):
4946 Use new macro TREE_INT_CST.
4948 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
4950 * contrib.texi: Add self.
4952 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
4954 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
4955 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
4958 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4960 * fixinc/gnu-regex.c: Don't define `const'.
4962 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4964 * expr.c (store_constructor): Allow variable bounds of array type.
4965 (expand_expr): Don't blow up if type is ERROR_MARK.
4966 * varasm.c (output_constructor): Don't access lower bound of array
4967 type unless need it if index is supplied (so it can be a variable
4968 if no index is supplied).
4969 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
4970 Other minor cleanups.
4972 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4974 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
4975 for compilations in stage 1 and subsequent stages, respectively.
4976 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
4977 * configure: Rebuilt.
4978 * x-vax, x-vax-gcc: Deleted.
4980 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
4982 * c-common.c (declare_function_name): Use func_id_node,
4983 function_id_node, and pretty_function_id_node. Do not make
4984 __func__ visible at file scope.
4985 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
4986 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
4987 (function_id_node, pretty_function_id_node, func_id_node): New
4989 * c-decl.c (init_decl_processing): Initialize function_id_node,
4990 pretty_function_id_node, and func_id_node.
4991 (c_make_fname_decl): Correct comment.
4993 * tree.h (struct tree_identifier): Constify pointer member.
4995 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
4996 * c-pragma.h (struct weak_syms): Constify name and value members.
4997 (add_weak): Constify arguments.
4999 * calls.c (special_function_p): Constify a char *.
5000 (expand_call): Remove variable which is initialized and then
5002 * dependence.c (struct def_use, struct induction, struct subscript):
5003 Constify 'variable' member.
5004 (get_low_bound, have_induction_variable): Constify char * argument.
5005 (find_induction_variable): Add braces to avoid dangling else.
5006 (classify_dependence): Constify char * arrays.
5007 * profile.c (output_func_start_profiler): Constify a char *.
5008 * stor-layout.c (finalize_record_size): Constify a char *.
5009 * tree.c (is_attribute_p): Constify a char *.
5010 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
5012 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
5013 for comprehensibility. Do not call get_identifier if we did
5014 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
5015 create temporary string constants, not ggc_alloc_string. No
5016 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
5017 char * to hold IDENTIFIER_POINTERs.
5019 2000-08-29 Richard Henderson <rth@cygnus.com>
5021 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
5024 2000-08-29 Richard Henderson <rth@cygnus.com>
5026 * reload.c (push_secondary_reload): Allow class == reload_class
5027 if we're using a reload_in/out pattern.
5029 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
5030 the half that does not conflict with the reload register.
5031 (reload_outti): Likewise.
5033 2000-08-29 Kazu Hirata <kazu@hxi.com>
5035 * reload.c: Fix formatting.
5037 * stmt.c: Fix formatting.
5039 * gcc.c: Fix formatting.
5041 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5043 * flags.h (time_report, mem_report): New global flags.
5044 * toplev.c: Define time_report and mem_report.
5045 (f_options): Add -ftime-report and -fmem-report.
5046 (compile_file): Turn on time_report if quiet_flag is off.
5047 Call ggc_print_statistics at very end if mem_report is on.
5048 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
5050 * ggc-common.c (ggc_print_statistics): Rename to
5051 ggc_print_common_statistics; all callers changed. Scale
5052 quantities above 10K to kilobytes and above 10M to megabytes.
5053 * ggc-page.c (ggc_page_print_statistics): Rename to
5054 ggc_print_statistics. Report memory consumed by internal data
5055 structures for each allocation bucket. Scale quantities above
5056 10K to kilobytes and above 10M to megabytes.
5057 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
5058 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5059 Define tally_leaves always.
5060 (ggc_print_statistics): New function.
5061 * ggc.h: Adjust for renamed functions.
5063 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5065 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5066 output_movsisf instead of which_alternative.
5068 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5070 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5072 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5073 (avr_progmem_p): New prototype.
5074 (output_movsisf): Prototype declaration changed.
5075 (output_movqi): New prototype.
5076 (output_movhi): New prototype.
5077 (call_insn_operand): Likewise.
5078 (final_prescan_insn): Likewise.
5079 (avr_simplify_comparision_p): Likewise.
5080 (avr_normalize_condition): Likewise.
5081 (compare_eq_p): Likewise.
5082 (out_shift_with_cnt): Likewise.
5083 (const_int_pow2_p): Likewise.
5084 (output_reload_inhi): Prototype declaration changed.
5086 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5087 (ldi_reg_rtx): New. rtx for r31.
5088 (avr_init_stack): Initialize as "__stack".
5089 (function_prologue): Use it.
5090 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5091 (avr_mcu_name): Initialize as "avr2".
5092 (avr_enhanced_p, avr_mega_p): New variables.
5093 (mcu_types, avr_override_options): Handle all known MCU types.
5094 Also handle avr1 (only preprocess, assemble and link).
5095 (print_operand): Using of `%K' in output template removed.
5096 (out_movqi_r_mr): Optimized.
5097 (out_movhi_r_mr): Likewise.
5098 (output_movqi): New function.
5099 (output_movhi): Likewise.
5100 (out_movsi_r_mr): Optimized.
5101 (output_movsisf): Compute insn length for `adjust_insn_length'
5102 (out_movqi_mr_r): Optimized.
5103 (out_movhi_mr_r): Optimized.
5104 (adjust_insn_length): Use output_movsisf, output_movqi,
5105 output_movhi for insn length adjusting.
5106 (reg_unused_after): Use dead_or_set_p.
5107 (preferred_reload_class): Now havn't any restriction.
5108 (reg_was_0): New function.
5109 (io_address_p): Likewise.
5110 (const_int_pow2_p): Likewise.
5111 (output_reload_inhi): Likewise.
5112 (output_reload_insisf): Likewise.
5114 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5115 (LIB_SPEC): Use -lc for all supported devices.
5116 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5117 (AVR_MEGA): Define as avr_mega_p.
5118 (AVR_ENHANCED): New, define as avr_enhanced_p.
5119 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5120 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5121 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5122 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5123 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5124 (ASM_SPEC): Pass -mmcu=... to the assembler.
5125 Change all -DAVR_* to -D__AVR_*__.
5126 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5127 Rename library functions to start with two underscores.
5128 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5130 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5131 (SUPPORTS_WEAK): Likewise.
5132 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5133 register for loading constants to r0-r14.
5135 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5137 (*mov_r_sp): Removed. Handled by output_movhi.
5138 (*mov_sp_r): Likewise.
5139 (*mov_sp_r_no_interrupts): Likewise
5140 (*mov_sp_r_tiny): Likewise.
5141 (*movqi): Use output_movqi.
5142 (*reload_inqi): New.
5143 (*movhi): Use output_movhi.
5144 (*reload_inhi): New.
5145 (*negsi2): Optimized.
5146 (*negsf2): Likewise.
5147 Added peepholes (define_peephole2) for loading constants to r0-r14
5148 and for using `cpse' command.
5150 * config/avr/libgcc.S: Rename library functions to start with two
5152 Add support for enhanced core.
5153 (_moqhi3): Fix typo, now _modqi3.
5154 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5155 (__prologue_saves__): Remove test for stack adjust by 0.
5156 (__tablejump__): New.
5158 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5159 Add multilib support.
5161 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5163 * loop.c (prescan_loop): Don't check unknown_address_altered
5164 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5165 to loop_store_mems as necessary.
5166 (loop_invariant_p): Don't check unknown_address_altered
5167 or unknown_constant_address_altered.
5169 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5171 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5173 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5175 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5176 print just the filename.
5177 * cpplex.c (_cpp_run_directive): Add additional argument, the
5178 name to give the synthetic buffer. This defaults to
5179 translated "<command line>".
5180 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5182 (_cpp_define_builtin): New function.
5183 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5184 * cpphash.h: Update prototypes.
5186 * tradcpp.c (main): Process -D and -U simultaneously, in the
5187 order they appeared on the command line.
5189 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5191 * c-decl.c (define_label): Call warning_with_file_and_line and
5192 error_with_file_and_line instead of plain warning or error.
5194 * c-parse.in (label): Use save_filename/save_lineno to ensure
5195 correct values for calls to define_label.
5197 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5199 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5201 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5203 * tree.h (get_file_function_name): Remove two duplicate
5206 2000-08-28 Kazu Hirata <kazu@hxi.com>
5208 * tree.c: Fix formatting.
5210 * xcoffout.c: Fix formatting.
5212 2000-08-28 Jason Merrill <jason@redhat.com>
5214 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5216 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5218 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5219 break_out_includes if it won't do anything.
5221 2000-08-28 Richard Henderson <rth@cygnus.com>
5223 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5224 (find_reloads): Likewise.
5225 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5226 (reload_inhi): Likewise.
5228 2000-08-28 Richard Henderson <rth@cygnus.com>
5230 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5231 (call_insn_operand): Don't expect a surrounding mem.
5232 (constant_call_address_operand): Likewise.
5233 * config/i386/i386.h (PREDICATE_CODES): Update.
5234 * config/i386/i386.md (call patterns): Move the match_operand
5235 for the call destination inside the mem.
5237 2000-08-28 Richard Henderson <rth@cygnus.com>
5239 * local-alloc.c (requires_inout): Don't use reserved range for
5240 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5241 * recog.c (asm_operand_ok): Likewise.
5242 (preprocess_constraints, constrain_operands): Likewise.
5243 * regclass.c (record_reg_classes): Likewise.
5244 * reload.c (find_reloads): Likewise.
5245 * reload1.c (maybe_fix_stack_asms): Likewise.
5246 (reload_cse_simplify_operands): Likewise.
5247 * stmt.c (expand_asm_operands): Likewise.
5249 * md.texi: Update constraints documentation.
5250 * tm.texi (EXTRA_CONSTRAINT): Update.
5252 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5254 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5255 (print_die): If we don't know the offset of the
5256 target die, try the symbol. Add a trailing newline.
5257 (reverse_all_dies): New fn.
5258 (dwarf2out_finish): Call it.
5259 (break_out_includes): Reorganize for clarity.
5260 (add_sibling_attributes): Don't call reverse_die_lists.
5261 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
5263 * flags.h: Add flag_eliminate_dwarf2_dups.
5264 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
5266 2000-08-28 Jason Merrill <jason@redhat.com>
5268 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
5269 * dwarf2out.c: #include "md5.h".
5270 (DIE_LABEL_PREFIX): New macro.
5271 (dw_val_struct): Add 'external' flag to val_die_ref.
5272 (add_AT_die_ref, AT_ref): Adjust.
5273 (AT_ref_external, set_AT_ref_external): New fns.
5274 (build_abbrev_table): Call set_AT_ref_external.
5275 (value_format): Call AT_ref_external.
5276 (die_struct): Add die_symbol field.
5277 (new_die): Clear it.
5278 (dwarf_tag_name): Handle BINCL/EINCL.
5279 (dwarf2out_start_source_file): Add BINCL DIE.
5280 (dwarf2out_end_source_file): Add EINCL DIE.
5281 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
5282 (loc_checksum, attr_checksum, die_checksum): New fns.
5283 (is_type_die, is_comdat_die, is_symbol_die): New fns.
5284 (compute_section_prefix, assign_symbol_names): New fns.
5285 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
5286 (output_die): Call output_die_symbol and AT_ref_external.
5287 (output_comdat_comp_unit): New fn, split out from...
5288 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
5290 (output_pubnames, output_aranges): Abort if we see entries from
5292 * toplev.h: Declare file_name_nondirectory.
5293 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
5294 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
5295 (debug_start_source_file): Call dwarf2out_start_source_file
5296 regardless of debug verbosity.
5297 (debug_end_source_file): Similarly.
5298 * tree.h: Declare clean_symbol_name.
5299 * tree.c (clean_symbol_name): Split out from...
5300 (get_file_function_name_long): ...here.
5302 * dwarf2out.c (new_loc_descr): Use calloc.
5303 (splice_child_die): Remove the die from the right parent.
5304 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
5306 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5308 * toplev.c (decode_g_option): Don't give warning for unknown -g
5309 option; return 0 instead.
5310 (main): If -g option is not recognized by front end or
5311 language-independent code, give warning.
5313 2000-08-28 Greg McGary <greg@mcgary.org>
5315 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
5316 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
5317 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
5319 2000-08-27 Greg McGary <greg@mcgary.org>
5321 * cpplex.c (parse_string): Don't look for backslash
5322 before first char in `namebuf'.
5323 * loop.c (strength_reduce): Skip NOTEs.
5325 2000-08-27 Jason Merrill <jason@redhat.com>
5327 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
5328 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
5329 TREE_ASM_WRITTEN, either.
5330 (finish_decl): Adjust.
5332 2000-08-28 Philipp Thomas <pthomas@suse.de>
5334 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
5335 they have been incorporated into the gettext CVS. Change the text to
5336 reflect the current status of NLS. Add instructions for accessing
5337 the gettext CVS and add the patch from Martin v. Loewis.
5339 2000-08-27 Geoff Keating <geoffk@cygnus.com>
5341 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
5342 by using gen_lowpart_common.
5343 (movdi_internal64+6): Likewise.
5345 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
5347 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
5350 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
5351 numbers to the ranges used by GDB.
5353 2000-08-25 Richard Henderson <rth@cygnus.com>
5355 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
5356 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
5357 (ia64_expand_prologue): Likewise.
5358 (ia64_setup_incoming_varargs): Set it. Properly skip the current
5359 argument for stdargs.
5361 2000-08-25 Jason Merrill <jason@redhat.com>
5363 * integrate.c (expand_inline_function): Pull out the original decl.
5365 2000-08-25 Jim Wilson <wilson@cygnus.com>
5367 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
5369 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
5371 2000-08-25 Greg McGary <greg@mcgary.org>
5373 * flow.c (dump_edge_info): Use ARRAY_SIZE.
5374 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
5376 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
5378 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
5380 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
5382 * i386.c (ix86_find_base_term): New.
5383 * i386-protos.h (ix86_find_base_term): Prototype.
5384 * i386.h (FIND_BASE_TERM): Define.
5385 * alias.c (find_base_term): Use it.
5386 * tm.texi (FIND_BASE_TERM): Document it.
5388 * alias.c (true_dependence, write_dependence_p): Unchanging
5389 memory can't conflict with non-unchanging memory.
5391 * alias.c (memrefs_conflict_p): A BLKmode reference
5392 to a symbol (or CONST_INT address) always conflicts
5393 with a reference to another symbol.
5395 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
5397 * c-common.c (time_char_table): Don't allow width and flags with
5400 2000-08-25 Jakub Jelinek <jakub@redhat.com>
5402 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
5403 way as LT and LTU when the second operand has 0 in low word.
5405 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5407 * basic-block.h (struct loop): Rename `exits' field to
5408 `exit_edges'. Add `entry_edges' and `num_entries' fields.
5410 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
5411 (flow_loop_entry_edges_find): Add.
5412 (flow_edge_list_print): Rename from flow_exits_print.
5413 (flow_loops_find): Call flow_loop_entry_edges_find.
5414 (flow_loop_dump): Dump entry_edges list.
5415 (flow_loops_free): Free entry_edges.
5417 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5419 * loop.c (loop_dump_aux, debug_loop): New functions.
5420 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
5422 * flow.c (flow_loops_dump): Add callback parameter.
5423 (flow_loop_dump): Add callback parameter and call it. Move
5424 loop note debugging code to loop_dump_aux.
5426 * basic-block.h (flow_loop_dump): Add callback parameter
5427 (flow_loops_dump): Likewise.
5429 * toplev.c (rest_of_compilation): Add NULL callback function pointer
5430 to call to flow_loops_dump.
5432 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5434 * loop.c (count_loop_regs_set): Replace start and end arguments
5435 with loop argument. All callers udated.
5437 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5439 * loop.c (constant_high_bytes): Delete.
5441 2000-08-26 Michael Hayes <mhayes@cygnus.com>
5443 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
5444 and NOTE_INSN_LOOP_VTOP to...
5445 (find_and_verify_loops) ...here.
5447 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
5449 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
5450 (fini_dummy, init_dummy): Use it.
5452 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
5454 * cpplex.c (is_macro_disabled): Caller has already checked
5455 that we're not a preprocessed file.
5457 2000-08-24 Mark Mitchell <mark@codesourcery.com>
5459 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
5460 (c-iterate.o): Remove target.
5461 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
5462 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
5463 (finish_decl): Don't handle iterators.
5464 (grokdeclarator): Likewise.
5465 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
5466 * gcc/c-gperf.h: Regenerated.
5467 * gcc/c-iterate.c: Removed.
5468 * gcc/c-lex.c (init_lex): Don't handle iterators.
5469 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
5470 (compstmt_primary_start): Remove push_iterator_stack call.
5471 (stmt): Don't allow iterator statements. Replace iterator_expand
5472 with expand_expr_stmt.
5473 (all_iter_stmt): Remove.
5474 (all_iter_stmt_simple): Likewise.
5475 (all_iter_stmt_with_decl): Likewise.
5476 * gcc/c-tree.h (ITERATOR_P): Remove.
5477 (ITERATOR_BOUND_P): Likewise.
5478 (init_iterators): Remove declaration.
5479 (iterator_expand): Likewise.
5480 (iterator_for_loop_start): Likewise.
5481 (iterator_for_loop_end): Likewise.
5482 (iterator_for_loop_record): Likewise.
5483 (push_iterator_stack): Likewise.
5484 (pop_iterator_stack): Likewise.
5485 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
5486 (readonly_warning): Likewise.
5487 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
5489 2000-08-24 Jim Wilson <wilson@cygnus.com>
5491 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
5492 Copy type in a TYPE_DECL, just like pushdecl does.
5494 2000-08-24 Richard Henderson <rth@cygnus.com>
5496 * toplev.c (main): Enable flag_reorder_blocks at -O2.
5498 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5500 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
5501 asked for one page, allocate GGC_QUIRE_SIZE of them and put
5502 the extras on the free list.
5503 (release_pages): Clean up.
5504 (ggc_set_mark): Don't adjust G.allocated here...
5505 (sweep_pages): ... do it here.
5507 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
5509 * cppfiles.c (read_include_file): Rearrange initializations.
5511 2000-08-24 Richard Henderson <rth@cygnus.com>
5513 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
5515 * config/ia64/ia64-protos.h: Update.
5516 * config/ia64/ia64.c (gr_register_operand): New.
5517 (fr_register_operand, grfr_register_operand): New.
5518 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
5519 (grfr_reg_or_8bit_operand): New.
5520 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
5521 use gr_register_operand.
5522 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
5523 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
5524 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
5525 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
5526 (fr_reg_or_fp01_operand): Likewise.
5527 (not_postinc_memory_operand): New.
5528 (ia64_split_timode): Remove unused variables.
5529 (rtx_needs_barrier): Check arguments to cmpxchg.
5530 (builtin_description): Remove.
5531 (bdesc_2argsi, bdesc_2argdi): Remove.
5532 (ia64_init_builtins): Declare all builtins directly.
5533 (ia64_expand_fetch_and_op): Rewrite to be called from
5534 ia64_expand_builtin directly. Use expand_binop and co.
5535 (ia64_expand_op_and_fetch): Likewise.
5536 (ia64_expand_compare_and_swap): Likewise.
5537 (ia64_expand_binop_builtin): Remove.
5538 (ia64_expand_lock_test_and_set): New.
5539 (ia64_expand_lock_release): New.
5540 (ia64_expand_builtin): Use them.
5541 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
5542 (EXTRA_CONSTRAINT): Use it.
5543 (PREDICATE_CODES): Update.
5544 * config/ia64/ia64.md (*): Use gr_register_operand and co.
5545 (mf): Indicate that we set memory as well as use it.
5546 (fetchadd_acq_si): Show memory being modified as well.
5547 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
5548 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
5549 (lock_test_and_set_si, lock_test_and_set_di): Remove.
5550 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
5551 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
5552 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
5553 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
5554 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
5555 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
5556 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
5557 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
5558 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
5559 return type. Pretty print definitions.
5561 2000-08-24 Jim Wilson <wilson@cygnus.com>
5563 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
5564 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
5566 2000-08-24 Jason Merrill <jason@redhat.com>
5568 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
5569 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
5570 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
5571 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
5573 2000-08-24 Greg McGary <greg@mcgary.org>
5575 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
5576 and extendtab within their proper array boundaries.
5577 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
5578 for the entire array.
5580 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
5581 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
5582 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
5583 * config/fr30/fr30.c (fr30_print_operand): Likewise.
5584 * config/i386/dgux.c (output_options): Likewise.
5585 * config/i386/dgux.h (ASM_FILE_START): Likewise.
5586 * config/m88k/m88k.c (output_options): Likewise.
5587 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
5588 * config/mcore/mcore.c (mcore_output_inline_const_forced,
5589 layout_mcore_frame, handle_structs_in_regs): Likewise.
5590 * config/mips/mips.c (output_block_move): Likewise.
5591 * config/rs6000/rs6000.c (rs6000_override_options,
5592 rs6000_file_start): Likewise.
5593 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
5594 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
5595 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
5596 * builtins.c (expand_builtin_setjmp): Likewise.
5597 * expr.c (safe_from_p): Likewise.
5598 * flow.c (life_analysis): Likewise.
5599 * fold-const.c (size_int_type_wide): Likewise.
5600 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
5601 * genattrtab.c (make_length_attrs): Likewise.
5602 * genopinit.c (gen_insn): Likewise.
5603 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
5604 * global.c (global_alloc): Likewise.
5605 * local-alloc.c (find_free_reg): Likewise.
5606 * mips-tdump.c (print_symbol): Likewise.
5607 * mips-tfile.c (parse_def, parse_input): Likewise.
5608 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
5609 * stmt.c (expand_nl_goto_receiver): Likewise.
5610 * stor-layout.c (set_sizetype): Likewise.
5611 * varasm.c (decode_reg_name): Likewise.
5612 * toplev.c (decode_f_option, decode_W_option,
5613 set_target_switch, print_switch_values): Likewise.
5614 (NUM_ELEM): Remove macro.
5615 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
5617 2000-08-24 Greg McGary <greg@mcgary.org>
5619 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
5620 (MAIN_NAME_P, main_identifier_node): New macros.
5621 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
5622 * c-decl.c (start_decl, grokdeclarator, start_function,
5623 store_parm_decls, finish_function): Use MAIN_NAME_P.
5624 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
5625 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
5626 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
5627 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
5629 2000-08-24 Greg McGary <greg@mcgary.org>
5631 * cppfiles.c (actual_directory): Don't write beyond `dir'
5632 when it contains "".
5633 * real.c (asctoeg): Stay within bounds of etens[][].
5635 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5637 * dependence.c (dependence_string, direction_string,
5638 dump_one_node, dump_node_dependence): Hide unused identifiers.
5639 (get_low_bound, normalize_coefficients): Match definition to
5641 (get_one_coefficient): Initialize variables `value0_is_idx' and
5643 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
5644 (ziv_test): Delete variable `idx', use parameter `sub' instead.
5645 (direction_merge): Avoid automatic aggregate initialization.
5646 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
5647 Initialize variables `dest_idx' and `src_idx'.
5648 (end_dependence_analysis): Avoid C89 style function definition.
5650 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
5652 * c-common.c (time_char_table): Don't allow width with %F.
5653 (check_format_info): Don't allow "Z" length with scanf.
5655 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
5657 * diagnostic.c (finish_diagnostic): Define.
5658 (output_do_printf): Use wrap_text instead of output_add_string.
5659 (default_print_error_function): Avoid embedded '\n'.
5661 * diagnostic.h (flush_diagnostic_buffer): Declare.
5663 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
5665 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
5667 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
5669 * Makefile.in (GCC_PASSES): Add specs.
5671 2000-08-23 Jim Wilson <wilson@cygnus.com>
5673 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
5674 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
5675 EHANDLER nor UHANDLER bit is set.
5676 (__get_except_table): Likewise.
5678 2000-08-23 Nick Clifton <nickc@redhat.com>
5680 * config/arm/lib1funcs.asm: Replace upper case condition codes
5681 with lower case versions.
5683 * config/arm/arm.h (STRUCT_VALUE): Define.
5684 (STRUCT_VALUE_REGNUM): Delete.
5686 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
5688 * cpphash.h (IN_I): New flag for directive table.
5689 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
5691 (_cpp_check_directive): If -fpreprocessed, execute directives
5692 marked with IN_I. Issue no warnings in this case.
5693 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
5695 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
5697 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
5699 (check_format_info): Support printf 'I' flag; warn about it with
5702 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
5704 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
5705 barrier can't be ignored by the alias analysis code.
5707 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
5709 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
5710 works inside fixincl.
5712 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
5714 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
5715 simplify_relational_operation() unless both operands are of
5717 * cse.c (fold_rtx): Likewise.
5719 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
5721 * rtlanal.c (rtx_unstable_p): The pic register is stable
5722 (within one function) and the actual rtx should be used
5723 when checking the registers.
5724 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
5726 * alias.c (true_dependence, write_dependence_p): Fix
5727 bug in previous patch.
5729 * i386.c (ix86_GOT_alias_set): New.
5730 (legitimize_pic_address): Use it.
5732 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
5733 only stable if its address is stable.
5734 (rtx_varies_p): An unchanging MEM can't vary if
5735 its address doesn't vary.
5737 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5739 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
5741 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5743 * vax.h (ASM_SPEC): Pass `-J' to assembler.
5744 * x-vax-gcc: New file for bootstrapping with gcc.
5745 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
5746 * configure.in: Use x-vax-gcc with gcc.
5747 * configure: Rebuilt.
5749 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5751 * toplev.c (rest_of_compilation): Rebuild label notes after
5752 post-reload splitting pass if new labels have been created.
5754 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
5756 * diagnostic.h (output_buffer_state): New macro.
5757 * diagnostic.c (diagnostic_for_decl, sorry,
5758 default_print_error_function, output_do_verbatim,
5759 report_diagnostic, report_problematic_module): Use it.
5761 (output_format): Use wrap_text instead of maybe_wrap_text.
5763 2000-08-22 Nick Clifton <nickc@redhat.com>
5765 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
5766 Common code for ARM divide and modulus functions.
5767 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
5769 (FUNC_END): New macro: Common code at the end of the division and
5771 (THUMB_FUNCTION_START): New macro: Common code at the start of
5773 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
5775 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
5777 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
5779 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
5780 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
5783 2000-08-22 Nick Clifton <nickc@redhat.com>
5785 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
5786 restorative additions, test for bottom bits of IP being set,
5787 rather than relying upon the RORs not matching.
5790 2000-08-22 David Edelsohn <edelsohn@gnu.org>
5792 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
5793 text_section() as appropriate instead of emitting text csect
5795 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
5796 (UNIQUE_SECTION): Define macro.
5797 (ASM_OUTPUT_SECTION_NAME): Define macro.
5798 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
5799 on AIX if debugging and -fdata-sections always.
5801 2000-08-22 Steven King <sxking@uswest.net>
5803 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
5805 (LDBL_MAX): Same here.
5807 2000-08-22 Richard Henderson <rth@cygnus.com>
5809 * flow.c (tidy_fallthru_edge): Update b->end properly.
5811 2000-08-22 Stan Cox <scox@redhat.com>
5813 * Makefile.in (OBJS): Add dependence.o.
5814 * dependence.c: New file.
5816 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
5818 * calls.c (check_sibcall_argument_overlap_1): Adjust for
5820 (check_sibcall_argument_overlap): Likewise.
5822 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
5824 * invoke.texi (SH Options): Document -m4-nofpu,
5825 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
5826 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
5828 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
5830 * c-common.c (check_format_info): Give the 'some locales' warning
5831 for strftime %Ey rather than the unconditional 'only last 2 digits
5834 2000-08-22 Richard Henderson <rth@cygnus.com>
5836 * alias.c (init_alias_analysis): Do not register
5837 struct_value_incoming_rtx or static_chain_rtx as pointing
5840 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
5842 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
5844 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
5846 * diagnostic.h (report_problematic_module): Declare.
5847 * diagnostic.c (report_problematic_module): New function.
5848 (report_error_function): Tweak.
5850 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5852 * stmt.c (expand_goto_internal, fixup_gotos): Only check
5853 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
5855 2000-08-21 Richard Henderson <rth@cygnus.com>
5857 * flow.c (calculate_global_regs_live): Mark frame pointer live
5858 everywhere before reload.
5860 2000-08-21 Jim Wilson <wilson@cygnus.com>
5862 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
5863 INTEL_EXTENDED_IEEE_FORMAT.
5864 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
5865 clear last two bytes of output FP value.
5867 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
5869 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
5871 2000-08-21 Jakub Jelinek <jakub@redhat.com>
5873 * unroll.c (loop_find_equiv_value): If ret is modified between
5874 insn and loop_start, ret might not be equivalent to reg.
5876 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
5878 * c-common.c (init_dollar_format_checking,
5879 maybe_read_dollar_number, finish_dollar_format_checking): New
5881 (dollar_arguments_used, dollar_arguments_count,
5882 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
5884 (check_format_info): Support $ formats for scanf and printf width
5885 and precision. Always increment format_chars to advance past the
5886 '*' of precision, not just when the format parameters are
5889 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5891 * mips.c (block_move_loop, expand_block_move,
5892 function_arg_partial_nregs, save_restore_insns, function_prologue,
5893 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
5895 (function_arg_advance, function_arg): Match argument to format
5898 2000-08-21 Nix <nix@esperi.demon.co.uk>
5900 * gcc.c (do_spec_1): Implement %j spec flag.
5901 Remove dead comment.
5903 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
5904 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
5905 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
5906 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
5908 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
5909 writable) instead of hardcoded value.
5911 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
5913 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
5916 * gcc.c (cc1_options): Do not process -o or run the assembler if
5918 * objc/lang-spec.h: Likewise.
5920 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
5922 * fixinc/fixincl.c (fix_with_system): Pipe the output of
5923 "external" fixes through `cat', to avoid truncating the input
5924 file by redirection.
5926 2000-08-21 Jakub Jelinek <jakub@redhat.com>
5928 * config/i386/i386.md (lea_general_1): Copy insn condition to split
5930 (lea_general_2, lea_general_3): Likewise.
5932 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5934 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
5935 warnings to user code.
5937 * c-lex.c (readescape, yylex): Likewise.
5939 * c-typeck.c (store_init_value, process_init_element): Likewise
5940 (c_expand_start_case): Format.
5942 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
5944 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
5946 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
5947 and linker_endian_spec to endian_spec.
5948 (ENDIAN_SPEC): Add %{EB} and %{EL}.
5949 (LINK_SPEC): Remove %{EB} and %{EL}.
5950 (ASM_SPEC): Likewise. Use %(endian_spec).
5952 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
5954 * c-tree.h (flag_hosted): Move declaration from here...
5955 * c-common.h (flag_hosted): ... to here.
5956 (flag_noniso_default_format_attributes): New declaration.
5957 * c-decl.c (flag_noniso_default_format_attributes): New variable.
5958 (c_decode_option): Set it appropriately for options choosing
5959 language standard variant.
5960 * c-common.c (init_function_format_info): Only provide default
5961 format attributes if flag_hosted. Only provide the gettext
5962 formats if flag_noniso_default_format_attributes. Update
5964 (check_format_info): Disable treatment of %a as a scanf flag in
5967 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
5969 * c-common.c (scan_char_table): Add 'w' to flags for all formats
5971 (check_format_info): Set 'wide' for scanf format widths. Warn for
5972 a zero scanf width. Make the check for writing into a constant
5973 object at the first level of indirection; at later levels, warn if
5974 any type qualifiers are encountered.
5976 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
5978 * reload.c (reload_inner_reg_of_subreg): New function broken out of
5980 (push_reload): Use reload_inner_reg_of_subreg.
5981 (combine_reloads): Do not combine reloads if the input reload
5982 is a SUBREG in which the inner part will need reloading.
5984 * global.c (global_alloc): Avoid passing dumpfile argument to
5986 * toplev.c (rest_of_compilation): Likewise.
5987 * reload.h (reload): Remove dumpfile argument. Callers changed.
5988 (debug_reload, debug_reload_to_stream): Move prototypes here.
5989 * rtl.h (reload): Remove dumpfile argument.
5990 * reload.c (debug_reload): Remove prototype.
5991 (debug_reload_to_stream): Likewise.
5992 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
5995 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5997 * diagnostic.c (context_as_prefix): Export.
5998 (need_error_newline): Remove.
5999 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
6000 (error_module_changed, record_last_error_module,
6001 error_function_changed, record_last_error_function): New functions.
6002 (initialize_diagnostics): Default intialize
6003 lang_diagnostic_starter, lang_diagnostic_finalizer.
6004 (init_output_buffer): Tweak.
6005 (file_name_as_prefix): New function.
6006 (announce_function, default_print_error_function,
6007 report_error_function, set_diagnostic_context): Tweak.
6009 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
6011 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
6012 condition expression.
6014 2000-08-20 Richard Henderson <rth@cygnus.com>
6016 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
6018 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
6020 * cppinit.c (cpp_init): Set global flag when called.
6021 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
6023 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
6025 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
6026 before `process_directive' so that newlines won't be missed
6028 (cpp_printf): Increment `print->lineno' when newline is emitted.
6030 * cppmain.c (cb_ident): Likewise.
6031 (cb_define): Likewise.
6032 (cb_undef): Likewise.
6033 (cb_include): Likewise.
6034 (cb_def_pragma): Likewise.
6035 (dump_macros_helper): Likewise.
6037 2000-08-20 Richard Henderson <rth@cygnus.com>
6039 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
6040 assigned before a loop.
6042 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
6043 (ashrsi3, lshrsi3): Likewise.
6045 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6047 * c-lang.c: #include diagnostic.h
6048 (c_tree_printer): New function.
6049 (lang_init): Initialize lang_printer.
6051 * Makefile.in (c-lang.o): Depends on diagnostic.h
6053 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6055 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
6057 * diagnostic.c (default_diagnostic_starter,
6058 default_diagnostic_finalizer): New functions.
6059 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6060 (pedwarn, pedwarn_with_file_and_line, error,
6061 error_with_file_and_line, fatal, warning,
6062 warning_with_file_and_line): Adjust call to report_diagnostic.
6063 (report_diagnostic): Rework.
6064 (set_diagnostic_context): New function.
6066 * diagnostic.h (struct diagnostic_context): New data structure.
6067 (diagnostic_message, diagnostic_argument_list,
6068 diagnostic_file_location, diagnostic_line_location,
6069 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6070 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6071 (set_diagnostic_context): Declare.
6072 (report_diagnostic): Change prototype.
6074 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6076 * fix-header.c (main): Initialize cpplib.
6078 2000-08-19 Michael Meissner <meissner@redhat.com>
6080 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6081 instructions in it before checking for indirect jumps.
6083 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6084 in a indirect jump as a potential for conditional execution.
6086 * d30v.h (d30v_init_expanders): Don't declare here.
6087 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6090 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6092 * cpp.texi: Add @section for assertions.
6094 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6096 * loop.c (scan_loop): Use CONST_CALL_P instead of
6097 checking for REG_LIBCALL / REG_RETVAL.
6099 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6101 * reload1.c (reload_as_needed): Accept dumpfile argument,
6102 pass it to emit_reload_insns.
6103 (emit_reload_insns): Add new dumpfile argument. If non-null
6104 then dump the reloads for each insn into the dumpfile.
6105 (reload): Pass dumpfile to reload_as_needed.
6107 * invoke.texi: Clean up linux-gnu vs linux comments.
6109 2000-08-19 Richard Henderson <rth@cygnus.com>
6111 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6112 (ia64_depz_field_mask): New.
6113 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6114 (PREDICATE_CODES): Update.
6115 * config/ia64/ia64.md: Update commentary.
6116 (depz_internal): New.
6117 (ashlsi3): Implement directly.
6118 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6119 (ashldi3): Use shladd.
6120 * config/ia64/ia64-protos.h: Update.
6122 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6124 * toplev.c (independent_decode_option): Always process -g.
6125 Remove third argument, now unused. Adjust caller to match.
6127 2000-08-18 Richard Henderson <rth@cygnus.com>
6129 * combine.c (make_compound_operation): Break after creating
6132 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6134 * cpplib.c (cpp_register_pragma_space): Just return if the
6135 namespace is already registered.
6137 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6139 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6140 constant amount. Do not generate ROTL instruction.
6142 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6144 * config/sh/elf.h: Do not include sh/sh.h.
6145 * config/sh/rtems.h: Likewise.
6146 * config/sh/rtemself.h: Do not include sh/elf.h.
6147 * configure.in: Get them included with `tm_file's.
6148 * configure: Rebuilt.
6150 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6151 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6153 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6155 * stor-layout.c (compute_record_type): Don't use mode of single
6156 field as mode of record if not integer mode of same type.
6158 * regmove.c (perhaps_ends_bb_p): New function.
6159 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6160 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6161 (fixup_match_1): Likewise.
6162 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6163 avoid signed/unsigned warnings.
6165 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6168 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6170 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6171 (_cpp_trigraph_map): Declaration moved from cpplex.c
6173 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6174 instead of 256. Use consistent test for designated initializers.
6175 (cpp_init): Initialize trigraph_map.
6176 (initialize_standard_includes, parse_option): Use memcmp
6179 * cpplex.c (init_trigraph_map): Remove.
6180 (trigraph_ok, trigraph_replace, lex_line): Refer to
6183 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6184 (do_unassert): Remove unused "next" local.
6186 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6188 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6190 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6193 2000-08-17 Richard Henderson <rth@cygnus.com>
6195 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6196 the first insn in a sequence.
6198 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6200 * alias.c (true_dependence, write_dependence_p): A read
6201 involving a label_ref or the constant pool doesn't create
6204 * rtl.h (unchanging): Improve documentation.
6206 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6208 * cse.c (insert_regs): Remove unused `regno'.
6210 2000-08-17 Neil Booth <NeilB@earthling.net>
6212 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6213 remove_dup_dirs. If qtail == brack, remove brack not
6215 (remove_dup_dir, remove_dup_dirs): New functions.
6217 2000-08-17 Neil Booth <NeilB@earthling.net>
6219 * cppinit.c (cpp_cleanup): Free include dir chains.
6220 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6221 (do_unassert): Free the assert with _cpp_free_definition.
6222 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6223 assertions. Make the node a T_VOID node.
6225 2000-08-17 Neil Booth <NeilB@earthling.net>
6227 * cppinit.c (path_include, append_include_chain):
6228 Remove 2nd parameter (struct cpp_pending *).
6229 (path_include, initialize_standard_includes, cpp_handle_option):
6230 Update callers appropriately.
6231 (cpp_handle_option): Use pend.
6233 2000-08-17 Neil Booth <NeilB@earthling.net>
6235 * cppinit.c (sort_options): Remove, put functionality in
6238 (initialize_builtins): Free memory.
6239 (cpp_start_read): Move init_IStable to cpp_init.
6241 * cpplib.h (cpp_init): New prototype.
6242 * cppmain.c (main): Call cpp_init.
6244 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6246 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6247 (rtx_unstable_p, rtx_varies_p): Process vectors.
6249 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6251 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6252 references to GLOBAL symbols. Use LOCAL where appropriate.
6254 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6256 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
6257 use t-aix41 when host == target.
6259 2000-08-16 Richard Henderson <rth@cygnus.com>
6261 * reload.c (push_secondary_reload): Revert last change.
6262 If we use a reload_in/out pattern, make the when the same
6263 as the primary reload.
6264 (find_reloads): Likewise.
6266 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
6268 * configure.in (libstdcxx-v3): Fix test.
6269 * configure: Regenerate.
6271 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6273 * calls.c (calls_function_1, expand_call): Only test
6274 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6275 * function.c (thread_prologue_and_epilogue_insns): Likewise.
6277 2000-08-16 Richard Henderson <rth@cygnus.com>
6279 * combine.c (simplify_shift_const): Revert previous two
6280 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
6281 before the main loop.
6283 2000-08-15 Richard Henderson <rth@cygnus.com>
6285 * combine.c (simplify_shift_const): Bound shift count when
6288 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6290 * calls.c (ECF_SP_DEPRESSED): New macro.
6291 (calls_function_1): Treat calling sp-depressed function as alloca.
6292 (emit_call_1): Don't adjust SP if calling sp-depressed function.
6293 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
6294 If sp-depressed, ensure block saves and restores SP.
6295 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
6297 * function.c (keep_stack_depressed): New function.
6298 (thread_prologue_and_epilogue_insns): Call it.
6299 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
6300 to print DECL_OFFSET_ALIGN.
6301 Print no-force-blk and transparent-union flags properly.
6302 * stmt.c (expand_goto_internal): Don't restore stack if last block
6303 and function returns with sp depressed.
6304 (fixup_gotos): Likewise.
6305 (save_stack_pointer): New function, from code in expand_decl.
6306 (expand_decl): Call new function.
6307 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
6308 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
6309 (save_stack_pointer): New declaration.
6311 * diagnostic.c (fatal_function): New variable.
6312 (set_fatal_function): New function.
6314 * diagnostic.h (set_fatal_function): New declaration.
6316 2000-08-15 William Cohen <wcohen@redhat.com>
6318 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
6319 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
6320 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
6322 2000-08-15 Richard Henderson <rth@cygnus.com>
6324 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
6326 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6328 * arm.c (arm_function_ok_for_sibcall): New function.
6329 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
6330 * arm.md (call expanders): Don't check here for calls that can't
6333 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6335 * arm.md (splits generating cond_exec): Disable.
6337 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6339 * arm/linux-elf.h (text_section): Delete declaration.
6341 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
6343 ARM support for unordered FP operations.
6344 * arm-protos.h (arm_comparison_operator): Declare.
6345 * arm.c (arm_comparison_operator): New function.
6346 (arm_select_cc_mode): Add unordered comparison codes.
6347 (get_arm_condition_code): Likewise.
6348 (arm_final_prescan_insn): Can't handle unordered jumps that can't
6349 be done in one insn.
6350 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
6351 * arm.md (all uses of comparison_operator): Replace with
6352 arm_comparison_operator.
6353 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
6355 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
6358 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6360 * gthr-posix.h: Conditionally include <sched.h>; include
6361 <config.h> from libobjc/.
6363 2000-08-14 Richard Henderson <rth@cygnus.com>
6365 * config/i386/i386.c (legitimize_pic_address): Use Pmode
6368 2000-08-14 Richard Henderson <rth@cygnus.com>
6370 * configure.in (ia64-*): Set float_format for i386 long double.
6372 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
6373 as we would for i386 XFmode.
6374 (PUT_REAL): Likewise.
6375 (endian, ereal_atof, real_value_truncate): Likewise.
6376 (ereal_isneg, toe64, etens, make_nan): Likewise.
6377 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
6379 * config/ia64/ia64-protos.h: Update.
6380 * config/ia64/ia64.c (general_tfmode_operand): New.
6381 (destination_tfmode_operand): New.
6382 (tfreg_or_fp01_operand): New.
6383 (ia64_split_timode): New.
6384 (spill_tfmode_operand): New.
6385 (ia64_expand_prologue): Use TFmode not XFmode.
6386 (ia64_expand_epilogue): Likewise.
6387 (ia64_function_arg): Likewise.
6388 (ia64_function_arg_advance): Likewise.
6389 (ia64_return_in_memory): Likewise.
6390 (ia64_function_value): Likewise.
6391 (ia64_print_operand): Likewise.
6392 (ia64_register_move_cost): Set GR<->FR to 5.
6393 (ia64_secondary_reload_class): Get GR for TImode memory op.
6394 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
6395 (ROUND_TYPE_ALIGN): Remove.
6396 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
6397 (INTEL_EXTENDED_IEEE_FORMAT): Define.
6398 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
6399 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
6400 (MODES_TIEABLE_P): Use TFmode, not XFmode.
6401 (CLASS_MAX_NREGS): Likewise.
6402 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
6403 (PREDICATE_CODES): Update.
6404 * config/ia64/ia64.md (movti): New.
6405 (movti_internal): Use a clobber for memory alternatives.
6406 (reload_inti, reload_outti): New.
6407 (movsfcc_astep): Predicate properly.
6408 (movdfcc_astep): Likewise.
6411 (extendsftf2, extenddftf2): New.
6412 (trunctfsf2, trunctfdf2): New.
6413 (floatditf2, fix_trunctfdi2): New.
6414 (floatunsditf2, fixuns_trunctfdi2): New.
6415 (addtf3, subtf3, multf3, abstf2): New.
6416 (negtf2, nabstf2, mintf3, maxtf3): New.
6417 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
6419 (fr_spill): Use TFmode, not XFmode.
6420 (fr_restore): Likewise.
6421 * config/ia64/lib1funcs.asm (__divtf3): New.
6422 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
6424 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6426 * cse.c (fold_rtx): Avoid empty body in an if-statement.
6428 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
6429 `U' integer constant suffix.
6431 * dwarf2out.c (add_subscript_info): Avoid empty body in an
6434 * sparc/sol2.h (__enable_execute_stack): Prototype.
6436 2000-08-14 David Edelsohn <edelsohn@gnu.org>
6438 * collect2.c: Remove use of AIX import file.
6440 * longlong.h: Test ARCH_PWR not ARCH_POWER.
6442 * rs6000.c (print_operand, case 'E'): Add else.
6444 2000-08-14 Richard Henderson <rth@cygnus.com>
6446 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
6447 (movdi_symbolic): New.
6449 2000-08-14 Jim Wilson <wilson@cygnus.com>
6451 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6452 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
6453 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
6456 2000-08-14 Richard Henderson <rth@cygnus.com>
6458 * expr.c (emit_group_load): Don't force constants into registers.
6459 Special case source already in the correct mode.
6461 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
6463 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
6464 * fixinc/inclhack.def: Likewise.
6465 * fixinc/mkfixinc.sh: Likewise.
6466 * configure: Regenerate.
6467 * fixinc/fixincl.x: Regenerate.
6468 * install.texi: Document equivalence of linux and linux-gnu.
6470 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6472 * cse.c (insert_regs): Also in REG case: When finding an invalid
6473 value, and we make a new quantity, make sure that it won't be
6474 mistaken by for a valid one by mention_regs.
6476 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
6478 * h8300.md: Remove obsolete peepholes.
6480 2000-08-13 Kazu Hirata <kazu@hxi.com>
6482 * invoke.texi (H8/300 Options): Fix typos.
6483 * config/h8300.c: Fix formatting.
6484 * config/h8300.h: Fix comment typos.
6485 (OVERRIDE_OPTIONS): Fix formatting.
6487 * function.c: Fix formatting.
6489 * cse.c: Fix formatting.
6491 2000-08-13 Geoff Keating <geoffk@cygnus.com>
6493 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
6494 (attempt_auto_inc): Suppress parentheses warning.
6495 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
6496 * loop.c (load_mems): Remove `u' suffix in two places.
6497 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
6499 * config/rs6000/rs6000.h: Likewise.
6500 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
6501 __eabi dummy routine.
6502 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
6505 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
6506 not put stuff in .sdata unnecessarily.
6507 (rs6000_unique_section): New function.
6508 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
6509 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
6511 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
6512 arrays in C99. Don't try to look at DECL_REGISTER of a
6513 COMPONENT_REF. Don't complain twice about the same error.
6515 * fixinc/inclhack.def (aix_pthread): New fix.
6516 (aix_sysmachine): New fix.
6517 * fixinc/fixincl.x: Regenerate.
6519 * expr.c (expand_expr): Call convert_modes when turning a large
6520 multiply into a small one.
6522 2000-08-12 Geoff Keating <geoffk@cygnus.com>
6524 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
6525 the tree structure an exponent rather than an explicit alignment
6526 so it doesn't overflow.
6527 (SET_DECL_OFFSET_ALIGN): New macro.
6528 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
6529 rather than DECL_OFFSET_ALIGN.
6530 (place_field): Likewise.
6531 * expmed.c (store_bit_field): Abort on align==0 to avoid
6532 antisocial machine behaviour.
6534 2000-08-12 Richard Henderson <rth@cygnus.com>
6536 * sibcall.c (uses_addressof): Accept both addressof and
6537 current_function_internal_arg_pointer inside a mem.
6538 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
6539 if current_function_uses_addressof.
6540 * stmt.c (expand_return): Kill tail recursion and HAVE_return
6543 2000-08-11 Richard Henderson <rth@cygnus.com>
6545 * config/ia64/ia64.md (addsi3): Remove expander.
6546 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
6547 (*addsi3_shladd): New.
6549 2000-08-11 Richard Henderson <rth@cygnus.com>
6551 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
6552 (do_restore): Likewise.
6553 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
6554 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
6555 (rtx_needs_barrier): Track actual bit manipulation for
6556 ar.unat moves, gr_spill, and gr_restore.
6557 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
6558 (process_set): Don't handle varargs spills.
6559 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
6560 .mem.offset here instead of in process_set.
6561 (gr_restore): Likewise.
6563 2000-08-11 Richard Henderson <rth@cygnus.com>
6565 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
6567 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
6569 * gcc.texi (The Configuration File): Document
6570 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
6571 UPDATE_PATH_HOST_CANONICALIZATION.
6573 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6575 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
6576 unprototyped function pointer casts on integer constants.
6578 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
6580 * fixproto: Recognize DOS paths with drive letters as absolute paths.
6582 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
6584 * extend.texi (Volatiles): Fix typos.
6586 2000-08-11 Kazu Hirata <kazu@hxi.com>
6588 * flow.c: Fix formatting.
6590 2000-08-11 Richard Henderson <rth@cygnus.com>
6592 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
6593 pattern, always allocate a tertiary scratch register.
6595 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
6596 (reload_inhi): Likewise.
6598 2000-08-11 Richard Henderson <rth@cygnus.com>
6600 * function.c (put_reg_into_stack): Allow type to be NULL.
6601 (schedule_fixup_var_refs): Likewise.
6602 (gen_mem_addressof): Allow decl to be NULL.
6603 (put_addressof_into_stack): Likewise.
6605 * flow.c (merge_blocks_nomove): Be more careful about
6606 locating the beginning of block A.
6608 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
6610 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6615 * config.in: Reverted the check for <sched.h>.
6617 2000-08-10 Chris Demetriou <cgd@sibyte.com>
6619 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
6620 macros define the name of CTOR and DTOR sections.
6621 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
6622 DTOR_LIST_END): Change to use attributes to specify
6624 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
6625 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
6626 DTOR_LIST_END): Same as in mips/elf.h.
6628 2000-08-10 Drew Moseley <dmoseley@redhat.com>
6630 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
6631 disabling just crt0.o.
6633 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
6635 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
6636 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
6637 (EXTRA_SPECS): Add them.
6638 * arm/lib1funcs.asm: Support builds for interworking.
6639 Use macros to eliminate duplicated pieces of code.
6641 2000-08-10 Kazu Hirata <kazu@hxi.com>
6643 * h8300.c (expand_a_rotate): New.
6644 (emit_a_rotate): Likewise.
6645 (h8300_adjust_insn_length): Add support for the rotate insns.
6646 * h8300.md (rotlqi3): New.
6647 (*rotlqi3_1): Likewise.
6648 (rotlhi3): Likewise.
6649 (*rotlhi3_1): Likewise.
6650 (rotlhi3): Likewise.
6651 (*rotlhi3_1): Likewise.
6652 * h8300-proto.h: Add prototypes for expand_a_rotate and
6655 * h8300.c: Fix comment typos.
6656 (dosize): Declare the variable amount as unsigned.
6657 (get_shift_alg): Fix a comparison between signed and unsigned.
6658 (emit_a_shift): Likewise.
6659 (h8300_adjust_insn_length): Simplify the code.
6661 * c-decl.c: Fix formatting.
6663 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6665 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
6666 warning about non-traditional numeric constant suffixes.
6668 * cppexp.c (parse_number): Likewise.
6670 * invoke.texi: (-Wtraditional): Document new behavior.
6672 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6674 * gthr-posix.h: Include auto-host.h. Conditionally include
6676 * configure.in: Check for the <sched.h> header file.
6677 * config.in: Added define for HAVE_SCHED_H.
6679 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6681 * c-typeck.c (process_init_element): For -Wtraditional, warn about
6682 initialization of unions.
6684 * invoke.texi (-Wtraditional): Document new behavior.
6686 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
6688 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
6689 instead of extra_c_flags.
6690 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
6691 * configure: Regenerate.
6692 * config.in: Regenerate.
6694 * cpperror.c (cpp_type2name): New function.
6695 * cpplex.c (lex_line): If we issued an error for an invalid
6696 preprocessing directive, discard that logical line.
6697 * cpplib.c (do_line): Call a hook function if the current file
6698 is renamed by #line.
6699 (do_ident): Pass the contents of the string, not the entire
6700 token, to the callback function.
6701 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
6702 (cb.rename_file): New hook function.
6703 (cb.ident): Adjust prototype.
6704 (cpp_type2name): Prototype.
6705 * cppmacro.c (dump_macro_args): Correct precedence lossage.
6707 * cppmain.c (cb_ident): Update for changed interface.
6708 (cb_rename_file): New function.
6709 (main): Set rename callback.
6711 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
6713 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
6714 multi-word registers.
6716 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
6718 * c-common.c (combine_strings, check_format_info): Refer to ISO C
6719 or ISO C89 instead of ANSI C.
6720 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
6721 build_enumerator, do_case): Likewise.
6722 * c-lex.c (parse_float, yylex): Likewise.
6723 * c-parse.in: Likewise.
6724 * c-typeck.c (common_type, build_array_ref, build_binary_op,
6725 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
6726 build_c_cast, convert_for_assignment, set_init_index,
6727 set_init_label, c_expand_start_case): Likewise.
6728 * toplev.c (documented_lang_options, display_help): Likewise.
6730 2000-08-08 Kazu Hirata <kazu@hxi.com>
6732 * h8300.c: Fix formatting.
6733 * h8300.h: Likewise.
6734 * h8300.md: Likewise.
6735 (movsi_h8300hs): Fix formatting of the resulting assembly code.
6737 * reload1.c: Fix formatting.
6739 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
6741 * alpha/alpha.c (alpha_emit_xfloating_libcall):
6742 Use GEN_CALL_VALUE define.
6743 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
6744 * clipper/clipper.md (untyped_call): Likewise.
6745 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
6746 * fx80/fx80.md (untyped_call): Likewise.
6747 * mips/mips.md (untyped_call): Likewise.
6748 * ns32k/ns32k.md (untyped_call): Likewise.
6749 * pa/pa.md (untyped_call): Likewise.
6750 * romp/romp.md (untyped_call): Likewise.
6751 * sparc/sparc.md (untyped_call): Likewise.
6753 2000-08-08 Jason Eckhardt <jle@cygnus.com>
6755 * config/i860/i860.c (singlemove_string): Do not generate assembler
6756 pseudo instructions that must be expanded (that is, with signed
6757 constants larger than 16 bits).
6759 2000-08-08 Richard Henderson <rth@cygnus.com>
6761 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
6762 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
6763 (init_propagate_block_info): Don't kill memory stores at -O0.
6764 (mark_set_1, mark_used_regs): Likewise.
6766 2000-08-08 David Edelsohn <edelsohn@gnu.org>
6768 * rs6000.c (optimization_options): Decorate 'level' as
6770 (mask64_operand): Remove sign-extend thinko.
6771 (rldic_operand): New function.
6772 (load_multiple_operation): regno's are unsigned ints.
6773 (store_multiple_operation): Likewise.
6774 (lmw_operation): Likewise.
6775 (stmw_operation): Likewise.
6776 (includes_lshift_p): shift_mask is unsigned int.
6777 (includes_lshift64_p): New function.
6778 (addrs_ok_for_quad_peep): unsigned int reg1.
6779 (print_operand): Consistently add "else" after
6780 output_operand_lossage().
6781 (print_operand, case 'b'): Fold in case 'W'.
6782 (print_operand, case 'W'): Print rldic MB value.
6783 (output_epilogue): Update Objective-C language string.
6784 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
6785 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
6786 * rs6000.md (ashldi3): Add rldic instruction.
6787 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
6788 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
6791 2000-08-08 Richard Henderson <rth@cygnus.com>
6793 * config/ia64/ia64-protos.h: Remove duplicates. Update
6794 for massive code rearrangements.
6795 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
6796 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
6797 (ia64_local_regs, ia64_need_regstk): Remove.
6798 (ar_ccv_reg_operand): New.
6799 (ia64_gp_save_reg): New.
6800 (struct ia64_frame_info): Combine most of the size elements;
6801 add new gr save elements.
6802 (find_gr_spill): New.
6803 (next_scratch_gr_reg): New.
6804 (mark_reg_gr_used_mask): New.
6805 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
6806 to GR backing store regs when possible.
6807 (ia64_initial_elimination_offset): New.
6808 (ia64_rap_fp_offset): Remove.
6809 (save_restore_insns): Remove.
6810 (setup_spill_pointers): New.
6811 (finish_spill_pointers): New.
6812 (spill_restore_mem): New.
6813 (do_spill, do_restore): New.
6814 (ia64_expand_prologue): Rewrite to use them.
6815 (ia64_expand_epilogue): Likewise.
6816 (ia64_direct_return): Update for current_frame_info changes.
6817 (ia64_function_prologue): Simplify .prologue emission. Emit
6819 (ia64_setup_incoming_varargs): Don't ever emit rtl.
6820 (ia64_dbx_register_number): New.
6821 (ia64_initialize_trampoline): New.
6822 (ia64_secondary_reload_class): Request GR_REGS for integer
6823 arithmetic destined for FR_REGS.
6824 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
6825 (ia64_mark_machine_status): Mark ia64_gp_save.
6826 (rws_access_regno): Rename from rws_access_reg; don't treat
6827 predicates specially.
6828 (rws_access_reg): New. Update all callers.
6829 (rtx_needs_barrier): Remove dead unspecs.
6830 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
6831 (ia64_encode_section_info): Silence signed/unsigned warnings.
6832 (spill_offset, sp_offset, spill_offset_emitted): Remove.
6833 (tmp_reg, tmp_saved): Remove.
6834 (process_set): Rewrite to expect complicated bits via
6835 REG_FRAME_RELATED_EXPR.
6836 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
6837 in the use of ar.ccv; never set RTX_UNCHANGING_P.
6838 (ia64_expand_op_and_fetch): Likewise.
6839 (ia64_expand_compare_and_swap): Likewise.
6840 (ia64_expand_builtin): Likewise.
6841 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
6842 (FIRST_PSEUDO_REGISTER): Update.
6843 (AR_M_REGNO_P): Update.
6844 (FIXED_REGS): Don't mark three local registers as used.
6845 (EXTRA_CC_MODES): New.
6846 (SELECT_CC_MODE): New.
6847 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
6848 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
6849 (FRAME_GROWS_DOWNWARD): Unset.
6850 (STARTING_FRAME_OFFSET): Zero.
6851 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
6852 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
6853 (HARD_FRAME_POINTER_REGNUM): New.
6854 (CAN_DEBUG_WITHOUT_FP): Define.
6855 (TRAMPOLINE_TEMPLATE): Remove.
6856 (TRAMPOLINE_SIZE): Lower to 32.
6857 (TRAMPOLINE_ALIGNMENT): Lower to 64.
6858 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
6859 (PREDICATE_CODES): Update.
6860 (struct machine_function): Add ia64_gp_save.
6861 * config/ia64/ia64.md: Purge unused unspecs.
6862 (movsi patterns): Allow moves to/from AR_M_REGS.
6863 (movdi patterns): Allow moves to/from p0.
6864 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
6865 (gr_spill, gr_restore): Indicate ar.unat read/written.
6866 (nonlocal_goto): Don't pass old frame_pointer.
6867 (nonlocal_goto_receiver): Remove.
6868 (exception_receiver): New.
6869 (builtin_setjmp_setup): New.
6870 (builtin_setjmp_receiver): New.
6871 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
6872 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
6873 (__ia64_restore_stack_nonlocal): Likewise.
6874 (__ia64_trampoline): New.
6875 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
6877 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
6879 2000-08-08 Richard Henderson <rth@cygnus.com>
6881 * frame.h (ia64_frame_state): Add my_psp.
6882 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
6883 (__throw): Pass it in. Don't clobber r7.
6884 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
6885 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
6886 and nothing to do with sp.
6887 (normalize_reg_loc): Use frame->my_psp.
6888 (frame_translate): Handle frame-pointer-less functions. Set
6889 spill_base correctly, in absence of being told.
6890 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
6891 (__ia64_backtrace_helper): New sp argument. Use
6892 builtin_return_address instead of label addresses.
6893 (print_record) [mem_stack_v]: No size member.
6895 2000-08-08 Richard Henderson <rth@cygnus.com>
6897 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
6899 2000-08-08 Richard Henderson <rth@cygnus.com>
6901 * tm.texi (LOCAL_REGNO): Document.
6902 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
6903 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
6904 * reload1.c (reload): Likewise when considering nonlocal labels.
6906 * config/ia64/ia64.h (LOCAL_REGNO): New.
6907 * config/sparc/sparc.h (LOCAL_REGNO): New.
6909 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
6911 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
6913 2000-08-07 Nick Clifton <nickc@redhat.com>
6915 * config/mips/mips.c: Fix compile time warning messages.
6916 * config/mips/mips-protos.h: Add prototype for equality_op.
6918 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
6920 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
6922 * mn10300.md: Use nonimmediate_operand instead of general_operand
6925 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
6927 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
6929 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
6930 * sh.c (expand_block_move): Break long lines.
6931 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
6932 * sh.md (mulsi3): Likewise.
6933 (movdi): Adjust spacing.
6935 2000-08-07 Richard Henderson <rth@cygnus.com>
6937 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
6938 * expr.c (emit_group_store): Don't set it.
6940 2000-08-07 Kazu Hirata <kazu@hxi.com>
6942 * invoke.texi (Options for Debugging Your Program or GCC): Remove
6943 duplicate entries for 'w' and 'z'.
6945 * flow.c: Fix a comment typo.
6947 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6949 * c-parse.in: Changed the language string for Objective-C to "GNU
6952 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
6954 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
6955 to improve the Posix thread support for Objective-C.
6957 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
6959 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
6960 CTI_UNSIGNED_PTRDIFF_TYPE.
6961 (signed_size_type_node): Define.
6962 (unsigned_ptrdiff_type_node): Define.
6963 * c-decl.c (init_decl_processing): Create the
6964 signed_size_type_node and unsigned_ptrdiff_type_node types.
6965 * c-common.c (T_SC): Define.
6968 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
6969 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
6971 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
6972 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
6973 flags for %c, %s and %[.
6974 (check_format_info): Only allow leniency for signedness of targets
6975 of character pointers (when pedantic) for formats flagged with
6976 "c", so for strings but not for %hh formats. When pedantic, don't
6977 allow character pointers to substitute for void pointers if a
6978 second level of indirection is present.
6980 2000-08-06 Kazu Hirata <kazu@hxi.com>
6982 * invoke.texi (Options for Debugging Your Program or GCC): Update
6983 the names of dump files.
6985 * h8300.c (dosize): Rearrange code for conciseness.
6986 (split_adds_subs): Likewise.
6988 * loop.c: Fix formatting.
6990 * dwarf2out.c: Fix formatting.
6992 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
6994 * expr.c: Fix formatting.
6996 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6998 * rs6000.c (rs6000_maybe_dead): Prototype.
7000 2000-08-06 Richard Henderson <rth@cygnus.com>
7002 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
7003 HAVE_nonlocal_goto as well.
7004 * config/i960/i960.md (nonlocal_goto): Don't do it here.
7005 * config/pj/pj.md (nonlocal_goto): Likewise.
7007 2000-08-07 Michael Hayes <mhayes@cygnus.com>
7009 * loop.c (try_swap_copy_prop): New function.
7010 (load_mems): Rename copies to load_copies and add new regset
7011 store_copies. Check for sets of shadow registers and mark
7012 in store_copies. Call try_swap_copy_prop for registers
7013 marked in store_copies.
7015 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7017 * objc/objc-act.c: New command line option -fconstant-string-class
7018 to allow specifying a user defined constant string class,
7019 different from NXConstantString.
7021 * toplev.c: Moved the Objective-C specific options to
7022 objc/lang-options.h.
7024 * objc/lang-options.h: Moved the Objective-C specific options from
7025 toplev.c. Added -fconstant-string-class.
7027 2000-08-05 Chris Demetriou <cgd@sibyte.com>
7029 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7030 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
7031 __CTOR_LIST__ from func_ptr array to just func_ptr, to
7032 avoid extra alignment imposed on arrays.
7033 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7034 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
7036 * mips.h: Clean up comments and spacing near MASKs.
7037 (TARGET_UNIX_ASM): Delete.
7038 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
7039 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
7042 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
7044 * c-common.c (print_char_table): Add entries for the X/Open '
7045 format flag (print decimals with locale's thousands grouping
7046 character). Make %C expect wint_t.
7047 (check_format_info): If pedantic, warn when the %n$ operand
7048 number form is used. Allow for the ' flag; warn about it if
7051 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
7053 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
7054 type is a float mode, cfun->decl's return type is not, and
7055 TARGET_FLOAT_RETURNS_IN_80387.
7057 2000-08-04 Andreas Schwab <schwab@suse.de>
7059 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7060 token list, which are always `#' and `pragma'.
7062 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7064 * tree.c (tree_expr_nonnegative_p): Move to...
7065 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7066 (rtl_expr_nonnegative_p): New.
7067 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7069 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7070 CONST_DOUBLE_CHAIN: Move to...
7071 * rtl.h: ...here. Use XCINT/XCEXP.
7073 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7074 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7075 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7078 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7080 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7082 * config/c4x/c4x.md (return_indirect_internal): New.
7083 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7085 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7087 * c-common.c (time_char_table): Mark up formats added in C99 and
7088 make other corrections. %D and %g were added in C99. %Og is an
7089 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7090 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7091 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7092 %h was added in C99. %C was added in C99. %OY and %OC are
7093 extensions. Add the C99 format %F.
7094 (check_format_info): If pedantic and not in C99 mode, warn for C99
7097 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7099 * function.c (schedule_fixup_var_refs): New function, broken out
7100 of put_reg_into_stack.
7101 (put_reg_into_stack): Use it.
7102 (put_var_into_stack): In CONCAT case, fixup up references for
7103 components only after fixing up references to the whole concat.
7105 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7107 * alias.c (mark_constant_function): Use INSN_P.
7108 (init_alias_analysis): Likewise.
7109 * combine.c (combine_instructions): Use INSN_P.
7110 (can_combine_p): Likewise.
7111 (try_combine): Likewise.
7112 (distribute_notes): Likewise.
7113 (distribute_links): Likewise.
7114 * cse.c (cse_around_loop): Use INSN_P.
7115 (invalidate_skipped_block): Likewise.
7116 (cse_set_around_loop): Likewise.
7117 (cse_end_of_basic_block): Likewise.
7118 (delete_trivially_dead_insns): Likewise.
7119 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7120 (unshare_all_rtl_1): Likewise.
7121 (next_cc0_user): Likewise.
7122 (try_split make_insn_raw): Likewise.
7123 (remove_unnecessary_notes): Likewise.
7124 * final.c (shorten_branches): Use INSN_P.
7125 (leaf_renumber_regs): Likewise.
7126 (leaf_renumber_regs_insn): Likewise.
7127 * flow.c (find_label_refs): Use INSN_P.
7128 (verify_wide_reg): Likewise.
7129 (notice_stack_pointer_modification): Likewise.
7130 (count_or_remove_death_notes): Likewise.
7131 (verify_flow_info): Likewise.
7132 (clear_log_links): Likewise.
7133 * function.c (fixup_var_refs_insns): Use INSN_P.
7134 (compute_insns_for_mem): Likewise.
7135 * gcse.c (alloc_gcse_mem): Use INSN_P.
7136 (compute_sets): Likewise.
7137 (compute_hash_table): Likewise.
7138 (classic_gcse): Likewise.
7140 (insert_insn_end_bb): Likewise.
7141 (delete_null_pointer_checks_1): Likewise.
7142 * global.c (expand_preferences): Use INSN_P.
7143 (build_insn_chain): Likewise.
7144 * graph.c (node_data): Use INSN_P.
7145 * haifa-sched.c (priority): Use INSN_P.
7146 (rm_line_notes): Likewise.
7147 (rm_other_notes): Likewise.
7148 (find_insn_reg_weight): Likewise.
7149 (init_target_units): Likewise.
7150 (schedule_block): Likewise.
7151 (compute_block_forward_dependences): Likewise.
7152 (debug_dependencies): Likewise.
7153 (set_priorities): Likewise.
7154 * integrate.c (function_cannot_inline_p): Use INSN_P.
7155 (save_parm_insns): Likewise.
7156 (copy_insn_list): Likewise.
7157 * jump.c (mark_all_labels): Use INSN_P.
7158 (never_reached_warning): Likewise.
7159 * lcm.c (optimize_mode_switching): Use INSN_P.
7160 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7161 (memref_used_between_p): Likewise.
7162 (update_equiv_regs): Likewise.
7163 (block_alloc): Likewise.
7164 (no_conflict_p): Likewise.
7165 * loop.c (scan_loop): Use INSN_P.
7166 (find_and_verify_loops): Likewise.
7167 (count_loop_regs_set): Likewise.
7168 (loop_reg_used_before_p): Likewise.
7169 (strength_reduce): Likewise.
7170 (recombine_givs): Likewise.
7171 (check_dbra_loop): Likewise.
7172 (load_mems): Likewise.
7173 (try_copy_prop): Likewise.
7174 * print-rtl.c (print_rtx): Use INSN_P.
7175 * recog.c (find_single_use): Use INSN_P.
7176 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7177 (next_flags_user): Likewise.
7178 (swap_rtx_condition): Likewise.
7179 * regmove.c (mark_flags_life_zones): Use INSN_P.
7180 (optimize_reg_copy_1): Likewise.
7181 (optimize_reg_copy_2): Likewise.
7182 (optimize_reg_copy_3): Likewise.
7183 (reg_is_remote_constant_p): Likewise.
7184 (fixup_match_2): Likewise.
7185 (regmove_optimize): Likewise.
7186 (fixup_match_1): Likewise.
7187 * regrename.c (build_def_use): Use INSN_P.
7188 (replace_reg_in_block): Likewise.
7189 (consider_use): Likewise.
7190 * reload.c (find_equiv_reg): Use INSN_P.
7191 * reload1.c (reload): Use INSN_P.
7192 (maybe_fix_stack_asms): Likewise.
7193 (calculate_needs_all_insns): Likewise.
7194 (reload_as_needed): Likewise.
7195 (emit_output_reload_insns): Likewise.
7196 (delete_address_reloads_1): Likewise.
7197 (reload_cse_regs_1): Likewise.
7198 (reload_combine): Likewise.
7199 (reload_cse_move2add): Likewise.
7200 * reorg.c (redundant_insn): Use INSN_P.
7201 (dbr_schedule): Likewise.
7202 * resource.c (find_dead_or_set_registers): Use INSN_P.
7203 (mark_target_live_regs): Likewise.
7204 * rtlanal.c (reg_used_between_p): Use INSN_P.
7205 (reg_referenced_between_p): Likewise.
7206 (reg_set_between_p): Likewise.
7207 (reg_set_p): Likewise.
7208 (single_set): Likewise.
7209 (multiple_sets): Likewise.
7210 (find_last_value): Likewise.
7211 (reg_set_last): Likewise.
7212 (find_reg_note): Likewise.
7213 (find_regno_note): Likewise.
7214 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7215 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7216 * ssa.c (find_evaluations): Use INSN_P.
7217 (rename_block): Likewise.
7218 (rename_equivalent_regs): Likewise.
7219 * unroll.c (loop_find_equiv_value): Use INSN_P.
7220 (set_dominates_use): Likewise.
7221 * varasm.c (mark_constant_pool): Use INSN_P.
7222 (mark_constants): Likewise.
7223 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7224 (alphaev4_next_group): Likewise.
7225 (alphaev5_next_group): Likewise.
7226 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7227 (c4x_rptb_rpts_p): Likewise.
7228 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7229 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7230 (rs6000_adjust_priority): Likewise.
7231 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7232 (machine_dependent_reorg): Likewise.
7233 (split_branches): Likewise.
7234 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7236 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7238 * combine.c (recog_for_combine): Remove the old notes
7239 prior to attempting to recognize the new pattern.
7240 (distribute_notes): Ignore REG_NONNEG notes.
7242 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7244 * varasm.c (output_constructor): Add .align 0 for packed vars.
7246 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7248 * configure.in: Use default thread_file even when enable_threads is
7249 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7250 * configure: Rebuilt.
7252 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7254 2000-08-04 Donn Terry (donnte@microsoft.com)
7256 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
7258 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
7260 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
7261 Delete code that conditionally modifies 'version'.
7262 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
7263 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
7264 * gcc.c (main): Use it.
7265 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
7266 * prefix.c (update_path): Use it.
7267 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
7268 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
7269 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
7271 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
7272 (SUBTARGET_SWITCHES): Adjust.
7273 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
7275 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
7277 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7279 * c-common.h (flag_isoc94): Declare.
7280 * c-decl.c (flag_isoc94): Define.
7281 (c_decode_option): Set flag_isoc94 as appropriate.
7282 * c-common.c (T_PD, T_IM, T_UIM): Define.
7283 (format_char_info): Add tlen and jlen.
7284 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
7286 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
7288 (time_char_table): Add NULL entries for %t and %j.
7289 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
7290 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
7291 Warn for printf %lf if pedantic and not C99. Don't warn for empty
7292 precision. Allow precision argument to be unsigned int. If
7293 pedantic, warn for %p passed an argument not a pointer to possibly
7294 qualified void or a possibly qualified character type, and for
7295 pointer targets of the wrong sign, except for character pointers.
7297 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7299 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
7300 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
7301 (wint_type_node): Define.
7302 * c-decl.c (WINT_TYPE): Define.
7303 (init_decl_processing): Create the wint_type_node type.
7304 * c-common.c (T_WI): Define.
7305 (print_char_table): Use T_WI for %lc format.
7307 2000-08-04 Bruce Korb <bkorb@gnu.org>
7309 * fixinc/: Verified that the MSDOS patch does not break
7310 the UNIX functionality and applied the next three patches
7313 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
7315 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
7316 output file with the temporary one by appending ".X" to generate
7317 the temporary fuile's name. If the output file already has an
7318 extension, replace it with ".X".
7320 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
7321 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
7322 reallocate the command buffer while copying the command-line
7323 argument. Redirect the output directly to the temporary file,
7324 instead of going through another temporary file.
7325 (process): Close the temporary file before unlinking it.
7326 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
7327 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
7328 (run_compiles): Pass p_fixd argument to machine_matches, as it
7331 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
7332 environment, assume there are no symlinks in the include
7333 directory. When cleaning up the DONE files, look for them
7334 case-insensitively. Don't try to remove symlinks if they aren't
7337 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
7338 all callers changed. Declare pz "const char *", to avoid compiler
7341 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
7342 Change prototype of make_raw_shell_str.
7344 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
7346 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
7347 (initialize) [__MSDOS__]: Use tempnam.
7348 (initialize): Don't use SIGPIPE if it is not defined.
7350 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
7353 2000-07-25 Bruce Korb <bkorb@gnu.org>
7355 * fixinc/fix*.[ch]: substantially reworked to make it possible
7356 to run this program without using fork(2) or pipe(2) (i.e. in
7359 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7361 * cppdefault.h (WINT_TYPE): Define.
7362 * cppinit.c (builtin_array): Define __WINT_TYPE__.
7363 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
7364 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
7366 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
7368 * (mips_legitimate_address_p): Don't allow register+offset
7369 if the offset is large and negative, and we are compiling
7370 for 64 bit registers.
7372 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7374 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
7375 insn_code_number + 1.
7377 2000-08-04 Kazu Hirata <kazu@hxi.com>
7379 * h8300.c (function_prologue): Rearrange code for conciseness.
7380 (function_epilogue): Likewise.
7381 * h8300.h (OK_FOR_U): Fix formatting.
7383 * cse.c: Fix a comment typo. Fix formatting.
7385 2000-08-03 Richard Henderson <rth@cygnus.com>
7387 * config/i386/i386.md (return_indirect_internal): New.
7388 * config/i386/i386.c (ix86_expand_epilogue): Use it.
7390 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
7392 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
7394 (lex_line): Glue @ onto the beginning of identifiers and
7395 string constants, in Objective-C mode.
7396 (output_token, spell_token): Handle CPP_OSTRING.
7397 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
7398 beginning of a NAME or a STRING, in objc mode.
7400 * cpplib.c (get_define_node): Do not permit identifiers that
7401 begin with @ to be #defined.
7402 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
7403 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
7405 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
7406 * c-tree.h (build_objc_string): Delete prototype.
7407 * objc/objc-tree.def: Delete OBJC_STRING_CST.
7408 * c-lex.c (yylex): Use build_string for all three kinds of strings.
7410 * c-parse.in, objc/objc-act.c: Update commentary.
7412 2000-08-03 Mark Mitchell <mark@codesourcery.com>
7414 * extend.texi: Fix typo in last change.
7416 * extend.texi: Add commentary on statement-expressions and their
7417 interactions with C++.
7419 2000-08-03 Nick Clifton <nickc@cygnus.com>
7421 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
7422 * dwarf.h (LANG_JAVA): Change value to 0x000b.
7424 2000-08-03 Anthony Green <green@cygnus.com>
7426 * dwarf2out.c (gen_compile_unit_die): Add java language support.
7427 (add_bound_info): Check for java language.
7428 (is_java): New function.
7429 * dwarfout.c (output_compile_unit_die): Ditto.
7430 * dwarf.h (dwarf_source_language): Add java source language type.
7431 * dwarf2.h (dwarf_source_language): Ditto.
7433 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7435 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
7438 * i386.c (ix86_expand_branch): Mode of comparison in
7439 IF_THEN_ELSE is VOIDmode.
7441 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
7443 * gengenrtl.c, rtl.c: Avoid #elif.
7445 2000-08-03 Michael Poole <poole@troilus.org>
7447 * tm.texi (Register Classes): Clarify order of sub-initializers
7448 in REG_CLASS_CONTENTS.
7450 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7452 From SAITOH Masanobu:
7453 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
7455 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
7457 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
7458 is not supported by tradcpp and isn't actually needed for cygwin.
7460 2000-08-03 Kazu Hirata <kazu@hxi.com>
7462 * h8300.c: Fix a comment typo.
7463 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
7465 * jump.c: Fix formatting.
7467 * toplev.c: Fix formatting.
7469 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
7471 * flow.c (find_auto_inc): Verify that we've got a REG before
7472 peeking at its regno. Fail, don't abort if we can't find
7473 the increment of the desired register.
7475 * pa.md (shadd height reduction patterns/splitters): Remove.
7477 2000-08-02 Jim Wilson <wilson@cygnus.com>
7479 * config/ia64/ia64-protos.h (flag_ssa): Declare.
7480 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
7482 2000-08-02 Mark Mitchell <mark@codesourcery.com>
7484 * dce.c: Remove all uses of assert.
7485 * dwarf2out.c: Likewise.
7486 * dwarfout.c: Likewise.
7489 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7491 * gcc.h (lang_specific_driver): Constify second argument.
7492 * gcc.c (translate_options, process_command, main): Likewise.
7493 Constify variables to match. Cast second argument to
7496 * cppspec.c, gccspec.c: Adjust type of second argument to
7497 lang_specific_driver, and update code as necessary.
7499 2000-08-02 Jakub Jelinek <jakub@redhat.com>
7501 * loop.c (scan_loop): Ensure update_end label does not
7502 go away until reg_scan_update is run.
7504 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7506 * c-common.h: Prototype min_precision and c_build_qualified_type here...
7507 * c-tree.h: ... not here.
7508 * errors.h: Prototype fancy_abort.
7510 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
7511 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
7512 * regrename.c (regrename_optimize): Make control flow explicit.
7513 (replace_reg_in_block): Initialize reg_use to 0.
7515 * i386.c (legitimate_address_p): Rename error label to
7516 report_error to avoid namespace clash.
7518 2000-08-02 Kazu Hirata <kazu@hxi.com>
7520 * fold-const.c: Fix formatting.
7522 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
7524 * i386.c (legitimate_address_p): Accept other bases than
7525 pic_offset_table_rtx for GOTOFF constructs.
7527 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
7529 * i386.md (shift to lea splitter): Use const_int_operand.
7531 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
7533 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
7534 cppspec.c: Do not use 'legal' or 'illegal' in error messages
7537 * cppmain.c (cb_define, cb_undef): Don't generate any output
7538 if not done_initializing.
7539 * cpplex.c (maybe_paste_with_next): When the token after a ##
7540 is an omitted rest argument, only delete the token before it
7541 if that token is a comma. Do not warn about bogus token
7542 pastes for , ## rest_arg.
7545 * cpp.1: Regenerate.
7547 2000-08-02 Fred Fish <fnf@be.com>
7549 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
7550 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
7553 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
7554 Be directories to search path.
7556 Remove support for __declspec(dllimport) and __declspec(dllexport).
7557 This is leftover cruft from the earlier BeOS gcc port when BeOS
7558 used Microsoft's PE object file format.
7559 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
7560 * config/i386/t-beos (winnt.o): Remove Makefile frag.
7561 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
7562 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
7563 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
7564 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
7565 (REDO_SECTION_INFO_P): Remove.
7566 (ASM_EXPORT_DECL): Remove.
7567 (ASM_DECLARE_FUNCTION_NAME): Remove.
7568 (ASM_DECLARE_OBJECT_NAME): Remove.
7569 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
7570 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
7571 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
7572 (STRIP_NAME_ENCODING): Remove.
7574 Remove support for obsolete version of BeOS that is no longer
7576 * configure.in (i*86-*-beospe*): Remove.
7577 * config/i386/beos-pe.h: Remove.
7579 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
7580 Mark Mitchell <mark@codesourcery.com>
7582 * Makefile.in (OBJS): Added dce.o.
7583 (ssa.o): Updated target to include ssa.h.
7585 (toplev.o): Likewise.
7586 (dce.o): Created target.
7587 * basic-block.h: Added comments.
7588 (INVALID_BLOCK): Added definition.
7589 (connect_infinite_loops_to_exit): Added declaration.
7590 Moved SSA declarations to ssa.h.
7591 * flow.c: Added inclusion of ssa.h.
7592 (struct depth_first_search_dsS, depth_first_search_ds):
7594 (compute_immediate_postdominators): Added definition.
7595 (connect_infinite_loops_to_exit): Likewise.
7596 (flow_dfs_compute_reverse_init): Likewise.
7597 (flow_dfs_compute_reverse_add_bb): Likewise.
7598 (flow_dfs_compute_reverse_execute): Likewise.
7599 (flow_dfs_compute_reverse_finish): Likewise.
7600 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
7601 (LABEL_P): Added definition.
7604 (BARRIER_P): Likewise.
7605 (JUMP_TABLE_DATA_P): Likewise.
7606 (INSN_DEAD_CODE_P): Likewise.
7607 * ssa.c: Replaced inclusions with ssa.h inclusion.
7608 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
7609 (rename_registers): Removed unnecessary variables.
7610 * ssa.h: Created by moving declarations from ssa.c and
7612 * timevar.def: Defined TV_DEAD_CODE_ELIM.
7613 * toplev.c: Added ssa.h inclusion.
7614 (dump_file_index): Added DFI_dce.
7615 (dump_file): Added "dce" entry.
7617 (f_options): Added dce entry.
7618 * invoke.texi: Document -fdce. Emphasize experimental status of
7622 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
7624 * cpperror.c (v_message): Split into _cpp_begin_message and
7625 v_message macro. All callers updated.
7626 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
7629 * cppfiles.c (cpp_syshdr_flags): New function.
7630 (read_include_file): Don't call cpp_output_tokens. Call
7632 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
7633 (cpp_reader_init): Don't initialize token_buffer. Call
7634 _cpp_init_internal_pragmas.
7635 (cpp_cleanup): Don't clear token_buffer.
7636 (cpp_start_read): Don't worry about output from -D processing.
7637 Don't call cpp_output_tokens.
7638 (cpp_finish): Don't dump macros here. Don't call
7640 * cppmacro.c (_cpp_dump_definition): Rename
7641 cpp_dump_definition. Write directly to a FILE *.
7642 (dump_funlike_macro): Delete.
7643 (dump_macro_args): New.
7645 * cpplex.c (TOKEN_LEN): Convert to inline function.
7646 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
7647 cpp_scan_line, _cpp_dump_list): Delete.
7648 (cpp_printf, cpp_output_list): New.
7649 (output_line_command): Don't worry about entering or leaving files.
7650 (cpp_scan_buffer): Just output each token as we hit it.
7651 (process_directive): Don't call cpp_output_tokens.
7652 (_cpp_glue_header_name): Don't use token_buffer.
7653 (output_token, dump_param_spelling): Write directly to a FILE *.
7655 * cpplib.c (pass_thru_directive, dump_macro_name,
7656 pragma_dispatch, do_pragma_gcc): Delete.
7657 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
7658 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
7660 (do_error, do_warning, pragma_dependency): Call
7661 _cpp_begin_message, then cpp_output_list.
7662 (cpp_register_pragma, cpp_register_pragma_space,
7663 _cpp_init_internal_pragmas): New.
7664 (do_pragma): Walk the pragmas table here.
7665 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
7666 do_pragma_dependency): Return void.
7667 (do_pragma_implementation): Moved to cppmain.c.
7669 * cpplib.h: Update prototypes.
7670 (struct cpp_reader): Remove printer, token_buffer,
7671 token_buffer_size, and limit. Add struct cb, and pragmas.
7672 (struct cpp_printer): Remove last_id and written.
7673 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
7674 CPP_ADJUST_WRITTEN): Delete.
7675 * cpphash.h: Update prototypes.
7676 (ufputs): New wrapper.
7678 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
7679 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
7680 (main): Set up callbacks. Register #pragma implementation.
7681 Dump macros from here.
7683 2000-08-01 Geoff Keating <geoffk@cygnus.com>
7685 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
7686 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
7687 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
7688 insns if they have a REG_MAYBE_DEAD note attached.
7689 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
7690 (rs6000_emit_load_toc_table): TOC loads may go dead.
7692 2000-08-01 Jim Wilson <wilson@cygnus.com>
7694 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
7695 type exists before using it. Use number of words as alignment
7697 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
7698 ia64_va_arg): Propagate ia64_function_args changes here.
7700 2000-08-01 Richard Henderson <rth@cygnus.com>
7702 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
7703 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
7705 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
7707 From Joern Rennecke:
7708 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
7709 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
7710 unless TARGET_SH3E is set.
7711 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
7713 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
7714 (ashlsi3_std): New pattern.
7715 (ashlsi3 expander): Use it for TARGET_SH3.
7716 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
7718 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
7720 * loop.c (canonicalize_condition): Use destination, not source to
7721 determine SET's mode.
7723 2000-07-31 Mark Mitchell <mark@codesourcery.com>
7725 * flow.c (clear_log_links): Fix typo.
7727 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
7729 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
7730 on targets which need more than one insn for a compare/cbranch
7733 2000-07-31 Jim Wilson <wilson@cygnus.com>
7735 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
7736 when computing offset.
7738 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
7740 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
7742 2000-07-31 Geoff Keating <geoffk@cygnus.com>
7744 * flow.c (clear_log_links): Nuke global_live_at_start and
7745 global_live_at_end data, since if the log_links stuff is invalid
7746 so is global_live_at_*.
7748 2000-07-31 Richard Henderson <rth@cygnus.com>
7750 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
7752 2000-07-31 Jakub Jelinek <jakub@redhat.com>
7754 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
7755 (_cpp_get_token): Don't macro expand a just pasted token if it
7756 was pasted at no_expand_level.
7758 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7760 * cppmacro.c (find_param, count_params, save_expansion):
7761 Permit 'defined' as a macro parameter name.
7763 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7765 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
7766 xcpp to cpp throughout.
7767 (native): Remove unnecessary dependency on cpp.
7769 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
7770 tradcpp to tradcpp0.
7771 (.i spec): Add missing output-file spec to cc1 command line.
7772 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
7774 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
7776 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
7777 (implicit_decl_warning): New function.
7778 (implicitly_declare): Use it.
7779 * c-typeck.c (build_external_ref): Use implicit_decl_warning
7780 to complain about implicit decls of builtins.
7782 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
7783 based on pedantic && flag_isoc99, if not already set.
7784 * c-tree.h: Declare mesg_implicit_function_declaration.
7785 Prototype implicit_decl_warning.
7787 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
7789 * Makefile.in (ssa.o): Updated header files in dependences.
7790 * basic-block.h: Added compute_immediate_postdominators declaration.
7791 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
7793 * flow.c (compute_immediate_dominators): Updated comment.
7794 (compute_immediate_postdominators): Added definition.
7795 * rtl.h (HARD_REGISTER_P): Added definition.
7796 * ssa.c: Include additional header files.
7797 (assert): Added definition.
7798 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
7799 include select hard registers.
7800 (ssa_rename_to_insert): Likewise.
7801 (ssa_rename_from_initialize): Likewise.
7802 (ssa_rename_from_lookup): Likewise.
7803 (original_register): Likewise.
7804 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
7805 include select hard reigsters.
7806 (ssa_rename_from_traverse): Likewise.
7807 (ssa_rename_from_free): Likewise.
7808 (ssa_rename_from_print): Likewise.
7809 (ssa_rename_from_print_1): Likewise.
7810 (ssa_rename_from_hash_function): Likewise.
7811 (ssa_rename_from_equal): Likewise.
7812 (ssa_rename_from_delete): Likewise.
7813 (simplify_to_immediate_dominators): Removed in favor of
7814 flow.c:compute_immediate_dominators.
7815 (find_evaluations_1): Modified to work with hard registers.
7816 (insert_phi_node): Likewise.
7817 (insert_phi_nodes): Likewise.
7818 (struct rename_set_data): Updated prev_reg comment.
7819 (create_delayed_rename): Modified to work with hard registers.
7820 (RENAME_NO_RTX): Updated comment.
7821 (apply_delayed_renames): Modified to work with hard registers.
7822 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
7823 (rename_block): Updated to use revised ssa_rename_to interface.
7824 (rename_registers): Updated to use revised ssa_rename_to and
7825 ssa_rename_from interface.
7826 (convert_to_ssa): Revised to use compute_immediate_dominators and
7827 deal with hard registers.
7828 (make_regs_equivalent_over_bad_edges): Modified to work with hard
7829 registers. Added check for illegal unification of hard register.
7830 (make_equivalent_phi_alternatives_equivalent): Modified to work
7831 with hard registers.
7832 (compute_conservative_reg_partition): Likewise.
7833 (coalesce_if_unconflicting): Modified to work with hard registers
7834 and check for conflicting hard registers.
7835 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
7837 (rename_equivalent_regs_in_insn): Modified to work with hard
7839 (record_canonical_element_1): Added definition.
7840 (check_hard_regs_in_partition): Added definition.
7841 (convert_from_ssa): Added data structure deallocation and check
7842 for illegal hard register unification.
7843 (conflict_hard_regs_p): Added definition.
7844 * toplev.c (rest_of_compilation): Added comment.
7846 2000-07-31 Anthony Green <green@redhat.com>
7848 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
7850 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
7852 * builtins.c (expand_builtin_apply): Don't defer pop during
7855 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7857 * calls.c (combine_pending_stack_adjustment_and_call): Only use
7858 preferred_unit_stack_boundary when it is > 1.
7860 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
7862 * c-common.c (init_function_format_info): Add C99 format functions
7865 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
7866 void' or 'register void' as being the special case of 'void' alone
7867 in a parameter list.
7869 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
7870 discarding qualifiers into a plain warning.
7872 2000-07-31 Kazu Hirata <kazu@hxi.com>
7874 * combine.c: Fix formatting.
7876 * h8300.md: Fix formatting.
7878 * local-alloc.c: Fix formatting.
7880 * h8300.c (get_shift_alg): Remove the variable alg.
7881 (emit_a_shift): Rearrange code to improve readability.
7883 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
7885 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
7886 HImode on all architectures and a combination of HImode and SImode
7887 on H8/300H and H8/S.
7889 * h8300.c (split_adds_subs): Rearrange code for conciseness.
7891 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
7893 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
7896 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7898 * recog.c (extract_insn): Set operand_mode according to
7899 operand if match_operand is VOIDmode.
7901 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7903 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
7905 2000-07-31 Geoff Keating <geoffk@cygnus.com>
7907 * c-parse.in (extdefs): Call ggc_collect between external
7910 2000-07-30 Michael Hayes <mhayes@cygnus.com>
7911 Richard Henderson <rth@cygnus.com>
7913 * Makefile.in (OBJS): Add doloop.o.
7914 * doloop.c: New file.
7916 * final.c (insn_current_reference_address): Return 0 before final.
7917 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
7918 * jump.c (any_uncondjump_p): Likewise.
7919 * loop.c (indirect_jump_in_function): Make static.
7920 (strength_reduce): Call doloop_optimize.
7921 (insert_bct, instrument_loop_bct): Remove.
7922 * loop.h (doloop_optimize): Prototype.
7923 * recog.c (split_all_insns): Split all INSN_P.
7924 * toplev.c (flag_branch_on_count_reg): Default on.
7926 * config/c4x/c4x.c (c4x_optimization_options): Don't set
7927 flag_branch_on_count_reg.
7928 * config/i386/i386.c (override_options): Likewise.
7929 * config/rs6000/rs6000.c (optimization_options): Likewise.
7931 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
7933 (dbra_ge): Remove, as well as all it's splitters.
7935 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
7938 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
7939 (ia64_register_move_cost): Declare.
7940 * config/ia64/ia64.c (ar_lc_reg_operand): New.
7941 (struct ia64_frame_info): Add ar_size.
7942 (ia64_compute_frame_size): Set it.
7943 (save_restore_insns): Save and restore ar.lc.
7944 (ia64_register_move_cost): New, moved from header file. Handle
7945 application registers.
7946 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
7947 (emit_insn_group_barriers): Special case doloop_end_internal.
7948 (ia64_epilogue_uses): Mark ar.lc live at end.
7949 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
7950 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
7951 (FIRST_PSEUDO_REGISTER): Make room.
7952 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
7953 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
7954 (REG_ALLOC_ORDER): Update.
7955 (HARD_REGNO_MODE_OK): Update.
7956 (REGISTER_NAMES): Update.
7957 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
7958 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
7959 (REGNO_REG_CLASS): Update.
7960 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
7961 (REGISTER_MOVE_COST): Move out of line.
7962 (PREDICATE_CODES): Update.
7963 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
7964 (addsi3_plus1_alt, adddi3_plus1_alt): New.
7965 (shladd_elim splitter): Allow constants in the predicate.
7966 (doloop_end, doloop_end_internal): New.
7968 2000-07-30 Richard Henderson <rth@cygnus.com>
7970 * genattrtab.c (struct insn_def): Add lineno member.
7971 (struct insn_ent): Likewise.
7972 (struct attr_desc): Likewise.
7973 (struct delay_desc): Likewise.
7974 (struct function_unit_op): Likewise.
7975 (struct function_unit): Likewise.
7976 (check_attr_value): Use message_with_line.
7977 (check_defs): Likewise.
7978 (expand_units): Likewise.
7979 (check_attr_test): Take a lineno argument.
7980 (gen_attr): Likewise.
7981 (gen_insn): Likewise.
7982 (gen_delay): Likewise.
7983 (gen_unit): Likewise.
7984 (main): Give it to them.
7985 (convert_set_attr_alternative): Take an insn_def argument
7986 instead of num_alt and insn_index.
7987 (convert_set_attr): Likewise.
7988 (write_test_expr): Protect INSN_ADDRESSES load
7989 with INSN_ADDRESSES_SET_P.
7991 2000-07-30 Richard Henderson <rth@cygnus.com>
7993 * flow.c (init_propagate_block_info): Use pc_set.
7995 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
7997 * i386.md (*lea_general_[123]) New insns and splits.
7998 (addsi3 to lea splitter): Handle other modes too.
7999 (shlsi3 to lea splitter): Likewise.
8000 (addhi_1_lea, shlhi_1_lea): New patterns.
8001 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
8003 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8005 * recog.c (general_operand, nonimmediate_operand): Accept
8006 any mode for VOIDmode CONSTANT_P operands.
8008 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8010 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
8011 instead of replace_rtx.
8012 * recog.c (validate_replace_rtx_subexp): New function.
8013 * recog.h (validate_replace_rtx_subexp): Declare.
8015 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8017 * combine.c (simplify_set, make_extraction, make_compound_operation
8018 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
8019 as force_to_mode argument.
8021 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8023 * combine.c (if_then_else_cond): Be sure that mode fits in
8026 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8028 * combine.c (record_promoted_value): Allow bitsize of mode
8029 to be equivalent to HOST_BITS_PER_WISE_INT.
8031 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8033 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
8034 Do not call gen_mode_alignment when mode is BLKmode.
8036 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
8038 * loop.c (express_from_1): Fix call of simplify_gen_binary.
8040 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8042 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
8043 VOIDmode implies both operands to be VOIDmode.
8044 (simplify_ternary_operation): Compute properly the mode of comparison.
8045 * combine.c (combine_simplify_rtx): Likewise.
8047 2000-07-25 Michael Hayes <mph@paradise.net.nz>
8049 * basic-block.h (struct loops): New field rc_order.
8050 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
8051 (flow_loops_free): Free rc_order.
8052 (flow_depth_first_order_compute): New parameter rc_order.
8053 (flow_loops_find): Allocate rc_order and swap usage with
8056 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8057 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8059 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8060 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8061 (nodb_call, return_from_epilogue): Likewise.
8062 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8063 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8064 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8065 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8066 (c4x_valid_type_attribute_p): Likewise.
8067 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8068 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8070 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8072 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8073 and loadhi_big_constant if applicable.
8074 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8075 and add new splitter.s
8077 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8079 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8081 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8083 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8085 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8087 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8089 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8091 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8093 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8095 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8096 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8097 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8098 (get_prev_bb_note): Likewise.
8099 (remove_scope_notes): Likewise.
8100 * flow.c (commit_one_edge_insertion): Likewise.
8101 (merge_blocks_nomove): Likewise.
8102 (verify_flow_info): Likewise.
8103 * gcse.c (insert_insn_end_bb): Likewise.
8104 * reg-stack.c (emit_swap_insn): Likewise.
8105 * ssa.c (first_insn_after_basic_block_note): New function.
8106 (insert_phi_node): Use it.
8107 (rename_block): Likewise.
8108 (eliminate_phi): Likewise.
8109 (make_regs_equivalent_over_bad_edges): Likewise.
8110 (make_equivalent_phi_alternatives_equivalent): Likewise.
8111 (for_each_successor_phi): Likewise.
8112 (convert_from_ssa): Modify phi-node deletion algorithm.
8114 2000-07-29 Andreas Jaeger <aj@suse.de>
8116 * configure.in (mips*-*-linux*): Use mips*el to check for little
8117 endian MIPS, add tmake_file.
8119 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8120 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8121 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8123 2000-07-28 Richard Henderson <rth@cygnus.com>
8125 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8126 Sign extend mode size before negating.
8128 2000-07-28 Richard Henderson <rth@cygnus.com>
8130 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8132 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8134 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8135 (cse_insn): Likewise.
8136 (addr_affects_sp_p): Likewise.
8137 * expr.c (move_by_pieces): Likewise.
8138 (clear_by_pieces): Likewise.
8139 * gcse.c (oprs_unchanged_p): Likewise.
8140 * haifa-sched.c (sched_analyze_2): Likewise.
8141 * recog.c (offsettable_address_p): Likewise.
8142 * regclass.c (record_address_regs): Likewise.
8143 * reload.c (find_reusable_reload): Likewise.
8144 (push_reload): Likewise.
8145 (operands_match_p): Likewise.
8146 (decompose): Likewise.
8147 (find_reloads_address_1): Likewise.
8148 (find_inc_amount): Likewise.
8149 * reload1.c (elimination_effects): Likewise.
8150 * resource.c (mark_set_resources): Likewise.
8151 * flow.c (attempt_auto_inc): New function; mostly broken out
8153 (find_auto_inc): Split into two functions and enhanced to
8154 generate POST_MODIFY.
8155 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8156 * rtl.h (count_all_occurrences): Declare.
8157 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8159 * rtlanal.c (count_all_occurrences): New function.
8160 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8161 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8163 * config/ia64/ia64-protos.h (destination_operand): Declare.
8164 * config/ia64/ia64.c (destination_operand): New function.
8165 (ia64_print_operand): Handle POST_MODIFY.
8166 (rtx_needs_barrier): Likewise.
8167 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8168 (HAVE_POST_MODIFY_REG): Define to 1.
8169 (MAX_REGS_PER_ADDRESS): Change to 2.
8170 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8171 (LEGITIMATE_ADDRESS_REG): New helper macro.
8172 (LEGITIMATE_ADDRESS_DISP): Likewise.
8173 (PREDICATE_CODES): Add entry for destination_operand.
8174 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8175 predicate for operand 0.
8177 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8179 * dwarf2out.c: Indent #error directive.
8181 * gbl-ctors.h: Fix typo in comment.
8182 (__do_global_ctors): Prototype.
8184 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8186 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8187 (print_operand): Initialize variable `t'.
8189 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8191 * config/arm/arm.md ("call_value"): removed constraints.
8192 Constraints are ignored in expanders.
8193 (*call_value_reg): split =rf into various constraints.
8194 (*call_value_mem): same
8195 (*call_value_symbol): same
8196 (*sibcall_value_insn): same
8198 2000-07-28 Philipp Thomas <pthomas@suse.de>
8200 * install.texi (--enable-nls): Change the description of the NLS
8201 related configure options to match the current state.
8202 (--with-included-gettext): Likewise.
8203 (--enable-maintainer-mode): New description added.
8204 * extend.texi (-fstrict-prototype): Add missing '.'.
8206 2000-07-27 Jim Wilson <wilson@cygnus.com>
8208 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8209 DECL_INITIAL (decl) == NULL_TREE.
8211 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8213 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8214 on insn-attr.h with it.
8215 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8216 * insn-addr.h: New header.
8217 (insn_addresses_): Renamed from insn_addresses.
8218 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8219 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8220 INSN_ADDRESSES_NEW): New macros.
8221 * genattrtab.c (write_test_expr): Use new macros.
8222 * final.c (insn_addresses, init_insn_lengths): Likewise.
8223 (align_fuzz, shorten_branches): Likewise.
8224 (final): Likewise. Do not reject new insns if their addresses
8225 have been added to INSN_ADDRESSES.
8226 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8227 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8228 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8229 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8230 * config/sh/sh.c: Likewise.
8231 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8233 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8235 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8237 * gcc.c (struct prefix_list): Add member priority.
8238 (enum path_prefix_priority): Declare.
8239 (add_prefix): Replace ``first'' with ``priority''. Append new
8240 entry but keep list in priority order.
8241 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8242 PREFIX_PRIORITY_LAST to add_prefix.
8243 (process_command): Move include kludge - foo/stageN - to before
8246 2000-07-27 Jason Merrill <jason@redhat.com>
8248 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8249 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8251 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8253 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8254 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8256 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
8258 * c-decl.c (finish_function): Don't treat 'main' specially unless
8259 flag_hosted. In C99 mode, return 0 from 'main' unless
8260 DEFAULT_MAIN_RETURN is otherwise defined.
8262 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
8263 parameters defaulting to int in an old-style function definition.
8265 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8267 * c-parse.in (string): For -Wtraditional, warn about string
8268 concatenation only once per line.
8270 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
8272 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
8273 for HI-UX/WE2 systems.
8275 2000-07-24 Bruce Korb <bkorb@gnu.org>
8277 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
8278 defining the __xxx_TYPE__ macros.
8279 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
8280 * fixincl/fixlib.h: don't need to include "tm.h" anymore
8281 * fixincl/inclhack.def(type_map): now obsolete
8283 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
8285 * cpp.texi: Append a trailing full-stop to xrefs where needed.
8287 2000-07-26 Dave Pitts <dpitts@cozx.com>
8289 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
8291 (mvs_hash_alias): New function.
8292 (mvs_add_alias): Change argument spacing.
8293 (mvs_need_alias): Change aliasing criteria. Added documentation.
8294 (mvs_get_alias): Change to use hashed name. The hashed name prevents
8295 CSECT name collisions.
8296 (mvs_check_alias): Likewise.
8297 (handle_pragma): Change documentation.
8298 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
8299 mode from SImode to DImode.
8300 (iorhi3): Changed LTORG size for insn.
8302 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
8304 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
8305 mem if the address is a mode_dependent_address_p.
8307 2000-07-26 Kazu Hirata <kazu@hxi.com>
8309 * h8300.c (print_operand): Print ":8" when the 'R' operand is
8310 suitable for 8-bit absolute.
8311 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
8312 (OK_FOR_U): Add a case for the 8-bit constant address on the
8315 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
8317 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
8318 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
8319 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
8320 lack of implemented alignment.
8322 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
8324 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
8325 cross-compiling between 64-bit and 32-bit machines.
8327 2000-07-27 Richard Henderson <rth@cygnus.com>
8329 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
8330 (movhicc_astep, movhi_internal_astep): New.
8331 (movsicc_astep, movsi_internal_astep): New.
8332 (movdicc_astep, movdi_internal_astep): New.
8333 (movsfcc_astep, movsf_internal_astep): New.
8334 (movdfcc_astep, movdf_internal_astep): New.
8335 (movxfcc_astep, movxf_internal_astep): New.
8336 (cmovdi_internal_astep, cmovsi_internal_astep): New.
8337 Unify the cmov[ds]i splitters.
8339 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
8341 * real.c (asctoeg): Rename `error' label to unexpected_char_error
8343 2000-07-26 Nick Clifton <nickc@cygnus.com>
8345 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
8346 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
8348 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
8349 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
8351 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
8353 * c-decl.c (finish_enum): Convert enumerations that fit in an
8355 (build_enumerator): In pedantic mode, cast to `int' those that
8358 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
8360 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
8362 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8364 * sh.md (cmpgtdi_t): Must be split.
8365 (cmpgtdi_t+1): New splitter.
8367 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8369 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
8370 warnings for indented directives even if we are skipping.
8372 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
8374 * invoke.texi (strict-prototypes): Remove.
8375 * extend.texi (Deprecated Features): Add strict-prototypes.
8376 (Backwards Compatibility): New node.
8378 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8380 * config/i386/i386.md (andsi_1+1): Allow HImode.
8381 (andsi_1+2): Require q_regs_operand.
8383 2000-07-25 Jakub Jelinek <jakub@redhat.com>
8385 * config/i386/i386.md (call_pop): Check operands[0],
8386 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8388 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
8389 (call_value): Likewise.
8391 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
8393 * toplev.c (pipe_closed): Delete.
8394 (crash_signal): New. Generate ICE for a fatal signal.
8395 (float_signal): Call crash_signal outside a float-handler
8397 (main): Install crash_signal as handler for core-dumping signals.
8399 2000-07-25 David Edelsohn <edelsohn@gnu.org>
8401 * rs6000.c (print_operand, case 'T'): New case.
8403 * rs6000.md (call_indirect_aix32): Convert to expander of
8404 scheduled instructions.
8405 (call_indirect_aix64): Likewise.
8406 (call_value_indirect_aix{32,64}): Likewise.
8407 (call, call_value): Invoke expanders for AIX. Fall through to
8409 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
8410 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
8411 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
8412 only "g" constraint.
8413 (call_nonlocal_aix64): Likewise.
8414 (call_value_nonlocal_aix{32,64}): Likewise.
8415 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
8417 (call_value_nonlocal_sysv): New pattern.
8418 (indirect_jump{si,di}): Use new 'T' modifier.
8419 (tablejump{si,di} matchers): Likewise.
8420 (return_internal_{si,di}): Likewise.
8421 (return_eh_{si,di}): Likewise.
8423 2000-07-24 Richard Henderson <rth@cygnus.com>
8425 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
8426 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
8427 * config/ia64/ia64.md (movdi_internal): Use it.
8429 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
8431 * cppexp.c: Warn about unary + if -Wtraditional.
8432 * cpplex.c (lex_line): Always set BOL on the first token of a line.
8434 2000-07-24 Michael Meissner <meissner@redhat.com>
8436 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
8439 2000-07-24 Nick Clifton <nickc@cygnus.com>
8441 * config/arm/arm.c (emit_multi_reg_push): Generate a
8442 REG_FRAME_RELEATED_NOTE that is compatable with the code in
8443 dwarf2out_debug_frame_expr.
8445 2000-07-24 Jason Merrill <jason@redhat.com>
8447 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
8448 UNALIGNED_INT_ASM_OP.
8449 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
8450 a location expression.
8451 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
8452 assume indirect access if we're saving the CFA address exactly.
8454 * Makefile.in (bootstrap): Move -BstageN/ to the end.
8456 2000-07-24 Jakub Jelinek <jakub@redhat.com>
8458 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
8461 2000-07-24 Michael Meissner <meissner@redhat.com>
8463 * invoke.texi (D30V Options): Add d30v options.
8465 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
8467 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
8468 needed by our gcse pass anymore.
8469 (free_pre_mem): Corresponding changes.
8470 (compute_pre_data): Do not call compute_transpout anymore.
8472 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
8473 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
8476 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
8477 (compute_pre_data): Do it here instead.
8479 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
8481 (pre_delete): Corresponding changes.
8483 2000-07-23 Mark Mitchell <mark@codesourcery.com>
8485 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
8486 to figure out whether or not a variable has already been emitted.
8488 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
8490 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
8491 instead of gen_call.
8493 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
8495 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
8497 2000-07-23 Kazu Hirata <kazu@hxi.com>
8499 * h8300.c: Fix formatting.
8501 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
8503 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
8504 for `long' switch expression into a plain warning.
8506 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
8507 (yylex): Don't pedwarn for "inline" in C99 mode.
8509 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
8511 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
8512 ggc_alloc): Likewise.
8513 * bb-reorder.c (dump_scope_forest_1): Likewise.
8515 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
8517 * reload.c (find_reloads_toplev): Add new parameter
8519 (find_reloads): Add new parameter to find_reloads_toplev calls.
8521 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
8523 * collect2.c (main): Typo fixed.
8524 * diagnostic.c: Typo fixed.
8525 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
8526 * eh-common.h: Typo fixed.
8527 * emit-rtl.c (start_sequence): Typo fixed.
8528 * flow.c (find_label_refs): Typo fixed.
8529 (calculate_global_regs_live): Typo fixed.
8530 (mark_regno_cond_dead): Typo fixed.
8531 (create_edge_list): Typos fixed.
8532 (verify_edge_list): Typo fixed.
8533 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
8534 * loop.c (strength_reduce): Typo in function name fixed.
8535 * rtl.h: Added comments. Typo in function name fixed.
8536 * rtlanal.c: Typo in function name fixed.
8537 (insn_dependant_p): Rename to ...
8538 (insn_dependent_p): ... this.
8539 (computed_jumo_p): Typo fixed.
8541 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8543 * system.h (__FUNCTION__): Wrap definition in #ifndef.
8545 2000-07-21 David Edelsohn <edelsohn@gnu.org>
8547 * rs6000.h (SIZE_TYPE): Define.
8549 2000-07-21 Mark Mitchell <mark@codesourcery.com>
8551 * ssa.c (rename_insn_1): Don't rename registers that are
8554 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
8556 * diagnostic.c (trim_filename, fancy_abort): Moved here from
8558 (fatal_function, set_fatal_function): Removed.
8559 (fatal): Don't prepare for or call the fatal_function.
8560 (diagnostic_lock, error_recursion): New.
8561 (diagnostic_for_decl, report_diagnostic): Guard against
8562 re-entering the error reporting routines.
8563 (fancy_abort): Assume function is not NULL.
8565 * errors.c (fancy_abort): New. Assume function is not NULL.
8566 * tradcpp.c (fancy_abort): Assume function is not NULL.
8568 * system.h: Provide default definition of __FUNCTION__.
8569 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
8570 Always use __FUNCTION__ in definition of abort.
8572 * varray.h: Likewise.
8573 * toplev.h: Likewise. Don't prototype set_fatal_function.
8575 2000-07-20 Geoff Keating <geoffk@cygnus.com>
8577 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
8579 * glimits.h: Don't do #if defined for ARCH_PPC.
8581 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
8582 constants of size no larger than a pointer should go in the TOC.
8583 Add 'MODE' parameter.
8584 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
8585 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
8586 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
8587 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
8588 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
8589 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
8590 (rs6000_legitimize_address): Likewise.
8591 (rs6000_emit_move): Likewise.
8592 (rs6000_select_rtx_section): Likewise.
8593 (output_toc): Deal properly with outputting small constants like
8594 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
8595 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
8596 MODE parameter. Put small constants in the TOC.
8598 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
8600 (rs6000_emit_move): When reload calls us with an illegitimate
8601 address, exit early. Move the change_address calls to one place
8602 at the end of the routine. Merge the SImode and DImode expanders.
8603 When called by reload to put an integer into a FP register, force
8606 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
8608 (rs6000_hash_constant): Hash mode too.
8609 (toc_hash_function): Allow for key_mode.
8610 (toc_hash_eq): Structures are different if key_mode differs.
8611 (output_toc): Add 'mode' parameter. Save key_mode.
8612 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
8613 Pass 'mode' parameter.
8614 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
8616 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
8617 for vtable references.
8619 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
8620 choice, don't put integer values in FP regs.
8622 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
8624 * flow.c (verify_flow_info): Revamp code to verify that the
8625 head and end of each basic block are in the insn chain.
8627 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
8629 * gcse.c (record_one_set): Prepend instead of append onto
8630 reg_set_table, making it O(n) instead O(n^2).
8631 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
8632 Use a queue instead of a stack as worklist.
8634 2000-07-20 Kazu Hirata <kazu@hxi.com>
8636 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
8637 * h8300.h (OK_FOR_T): New.
8638 (EXTRA_CONSTRAINT): Support OK_FOR_T.
8639 * h8300.md: Use inc/dec.[wl] for increment/decrement
8640 by 1 and 2 in HI and SI modes.
8642 2000-07-20 Jim Wilson <wilson@cygnus.com>
8644 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
8645 larger than 14 bits.
8647 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
8649 * cppmacro.c (CAN_PASTE_AFTER): New macro.
8650 (count_params): Don't set GNU_REST_ARGS on anything.
8651 (save_expansion): Set PASTE_LEFT only on tokens for which
8652 CAN_PASTE_AFTER is true, or which are named operators.
8654 * cpplex.c (parse_args): Distinguish between a rest argument
8655 given one empty argument, and a rest argument given zero arguments.
8656 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
8657 deletion of previous token based on that.
8658 (get_raw_token): Flatten some control structure.
8660 * cpplib.h (CPP_LAST_EQ): Correct.
8661 (VOID_REST): New token flag.
8662 (GNU_REST_ARGS): Delete.
8664 * tradcpp.c (main): Don't munge -D options.
8665 (make_definition): Bring -D handling in line with cpplib.
8666 (do_define): Strip all leading whitespace from macro definitions.
8668 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
8670 * Makefile.in (tradcpp): Depend on intl.o and version.o.
8672 2000-07-20 Bruce Korb <bkorb@gnu.org>
8674 * fixincl/check.tpl: strip the platform specific types before testing
8675 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
8676 * fixincl/fixincl.tpl: use platform specific types
8677 * fixincl/fixlib.h: include the platform specific types
8678 * fixincl/inclhack.def(gnu_types): don't supply the types
8679 * fixincl/fixincl.x: regen
8681 2000-07-19 Jim Wilson <wilson@cygnus.com>
8683 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
8686 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
8688 * tradcpp.c (rescan): Do not recognize directives when the #
8691 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
8693 Implement C++ named operators.
8695 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
8696 of operators allowed in #if and having an _EQ variant. Add
8697 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
8698 (cpp_token flags): Add NAMED_OP.
8699 (enum node_type): Add T_OPERATOR.
8700 (struct cpp_hashnode): Add code slot to value union.
8701 * cpphash.h (spec_nodes): Remove n_defined.
8703 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
8704 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
8705 (is_macro_disabled): Tweak error messages.
8707 * cpplib.c (get_define_node): Disallow all named operators as
8708 macro names. Tweak error messages.
8709 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
8711 * cppinit.c (builtin_array): Add entries for the named operators.
8712 * cppexp.c (lex): Check for CPP_DEFINED token.
8713 (priority table): Add entries for CPP_MIN and CPP_MAX.
8714 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
8716 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
8718 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
8719 larger than the array of cuids.
8720 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
8723 2000-07-19 Bruce Korb <bkorb@gnu.org>
8725 * fixinc/fixincl.c: Convert to using a table of environment variables
8726 and activate the auto-edit marker on the fixed output files.
8727 * fixinc/fixlib.h: Define the environment table
8728 * fixinc/fixincl.sh: export the ${INPUT} dir
8729 * fixinc/check.tpl: likewise
8731 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
8733 * gcc.c (.h spec): Fix typo.
8735 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
8737 * Makefile.in: Fix tradcif.c path.
8739 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
8741 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
8744 * cpphash.h (TOKEN_NAME): New macro.
8745 (_cpp_spell_operator): Deleted.
8746 (token_spellings): Now _cpp_token_spellings.
8748 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
8749 * cpplex.c: Use OP and TK macros when expanding the
8750 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
8751 store the stringification of the enumeration name (CPP_CHAR,
8752 etc.) in the name slot of token_spellings.
8753 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
8754 token_spellings directly.
8755 * cpplib.c: Use TOKEN_SPELL.
8757 * cpplex.c (_cpp_push_token): If the token being pushed back
8758 is the previous token in this context, just subtract one from
8760 * cppmacro.c (save_expansion): Clear aux field when storing a
8763 2000-07-18 Jakub Jelinek <jakub@redhat.com>
8765 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
8766 buffer, provided it is not NULL.
8768 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
8770 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
8771 case of invalid volatile re-declaration.
8773 2000-07-18 Jakub Jelinek <jakub@redhat.com>
8775 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
8776 (expand_call): Adjust caller.
8778 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
8780 * diagnostic.h (report_diagnostic): Change prototype.
8782 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
8783 diagnostic_for_decl): Change prototype.
8784 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
8785 error, warning, error_with_file_and_line,
8786 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
8787 Adjust call to report_diagnostic, diagnostic_for_decl.
8788 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
8789 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
8791 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
8792 varaible argument list.
8794 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
8796 * cpphash.c: Don't include hashtab.h. Most macro-handling code
8797 moved to cppmacro.c.
8798 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
8799 dump_hash_helper): Delete.
8800 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
8801 cpp_forall_identifiers): New. Implement specialized version of
8802 Vlad's expandable hash table.
8803 (cpp_lookup): Use new functions.
8804 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
8806 * cppmacro.c: New file.
8807 * cppinit.c (dump_macros_helper): New.
8808 (cpp_finish): Iterate over the identifier table directly.
8809 * cpplex.c (parse_name): Calculate the hash of the identifier
8810 while we scan it. Use _cpp_lookup_with_hash when we can.
8812 * cpphash.h: Update prototypes.
8813 (xcnewvec, HASHSTEP): New helper macros.
8814 * cpplib.h: Update prototypes.
8815 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
8816 (cppmacro.o): New rule.
8817 (cpphash.o): Update deps.
8819 * cppmain.c: Do not set pfile->printer if no_output is on.
8821 2000-07-15 Neil Booth <neilb@earthling.net>
8823 * cpplib.c: Change all directive-handler functions to return
8825 * cpphash.h: Update typedefs.
8827 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
8829 * configure: Regenerate.
8831 * extend.texi (Extended Asm): Mention that a memory clobber
8832 does not count as a side-effect.
8834 * unroll.c (copy_loop_body): Fix one instance of using host
8835 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
8838 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
8840 2000-07-17 Richard Henderson <rth@cygnus.com>
8842 * config/ia64/ia64.md (movdi): Split out load address code.
8843 New post-reload splitter for symbolic operands.
8844 (movdi_internal): Abort if we didn't split symbolic operands
8845 when we should have.
8846 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
8847 (ia64_reorg): Split insns when not optimizing.
8848 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
8850 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8852 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
8853 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
8855 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
8857 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
8859 2000-07-17 Jason Merrill <jason@redhat.com>
8861 * Makefile.in (clean): Remove libgcc directory.
8863 * configure.in (-Wno-long-long check): Use higher-level macros.
8865 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
8867 * simplify-rtx.c (simplify_binary_operation): Recognize
8868 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
8869 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
8870 a CONST_INT, it will always be zero.
8872 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
8874 * loop.c (check_dbra_loop) : Return if more than one condition is
8875 present to control the loop.
8877 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
8879 * mips.c (mips_expand_prologue): Don't calculate the last argument
8880 register unless we need it. When we are calculating this, make
8881 sure FUNCTION_ARG is giving us a REG.
8883 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8885 * flow.c (libcall_dead_p): Use single_set to verify the insn
8886 has only one set and get for analysis.
8887 (propagate_one_insn): Don't pass the PATTERN of the insn.
8889 2000-07-17 Mark Klein <mklein@dis.com>
8891 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
8893 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8895 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
8896 * configure.in (TARGET_GETGROUPS_T): Evaluate.
8897 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
8898 of second argument of getgroups.
8899 * configure, config.in: Rebuilt.
8901 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
8903 * simplify-rtx.c (simplify_relational_operation): Two signed
8904 values with equal high words are less/greater than each other if
8905 their low words are less/greater when considered as unsigned.
8907 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
8909 * configure.in (vax-*-openbsd): Change to new style configuration,
8910 add collect2/float_format information.
8911 * configure: Rebuilt.
8912 * config/vax/openbsd1.h: New.
8913 * config/vax/openbsd.h: New.
8914 * config/vax/t-openbsd: New.
8916 2000-07-17 Chip Salzenberg <chip@valinux.com>
8918 * c-common.c (shorten_compare): Quiet warnings about unsigned
8919 comparisons with zero when they occur in a system header.
8921 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
8923 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
8924 update to describe current practice.
8926 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
8928 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
8929 references to C9X. Change references to -fstd and -flang-isoc9x
8932 * c-common.c (scan_char_table): Allow "z" length modifiers on
8934 (check_format_info): Use TYPE_DOMAIN on the type matched against
8935 for "z" formats, to retrieve the language size_t rather than the
8938 * c-common.c (check_format_info): Do not make a pedantic objection
8939 to the 'L' length modifier if used with a floating point type
8942 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
8943 constants in C99 mode.
8945 2000-07-17 Kazu Hirata <kazu@hxi.com>
8947 * h8300.md: Fix the format of mac.
8948 (movsi_h8300hs): Output a tab after stmac instead of a space.
8950 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
8951 profitable adds/subs sequences.
8953 * fold-const.c: Fix comment typos.
8955 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
8957 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
8959 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8961 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
8963 2000-07-16 Neil Booth <NeilB@earthling.net>
8965 * cpplex.c: Update comments.
8966 * README.Portability: Small update.
8968 2000-07-16 Neil Booth <NeilB@earthling.net>
8970 * README.Portability: Small update.
8972 2000-07-15 Richard Henderson <rth@cygnus.com>
8974 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
8975 * config/ia64/ia64.c (ia64_move_ok): New function.
8976 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
8977 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
8979 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
8981 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
8982 immediately following a paste operator.
8983 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
8984 (cpp_reader_init): Call it, if HOST_EBCDIC.
8985 (cpp_handle_options): Do not sort option list here.
8986 (handle_option): Rename to cpp_handle_option and export.
8987 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
8988 _cpp_get_token directly.
8989 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
8990 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
8991 * cpplib.h: Prototype cpp_handle_option. Update prototype of
8994 2000-07-15 Richard Henderson <rth@cygnus.com>
8996 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
8997 cast around an expression. Tidy other unsigned tests.
8999 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
9001 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
9002 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
9003 (v_message_with_decl): Rename to ...
9004 (format_with_decl): ... this. Tweak
9005 (diagnostic_for_decl): New function.
9006 (fatal_io_error): Use verbatim in lieu of notice.
9007 (announce_function): Use verbatim.
9008 (default_print_error_function): Likewise.
9009 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
9012 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9014 * mips.c (function_arg_pass_by_reference): Don't do automatic
9015 aggregate initialization.
9016 (machine_dependent_reorg): Initialize variable `mode'.
9018 * mips.md (absdi2): Change variable `regno1' to unsigned int.
9019 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
9020 conflicts with sys/param.h macro of the same name.
9021 (reload_outdi): Likewise.
9023 2000-07-15 Michael Meissner <meissner@redhat.com>
9025 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
9026 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
9027 create a new node instead.
9029 2000-07-15 Neil Booth <NeilB@earthling.net>
9031 * README.Portability: Correct example about calling a function
9032 through a pointer to function. Format wide paragraphs.
9034 2000-07-15 Michael Meissner <meissner@redhat.com>
9036 * README.Portability: Update integer suffixes and function
9039 2000-07-15 Neil Booth <NeilB@earthling.net>
9041 * README.Portability: Small update.
9043 2000-07-15 Neil Booth <NeilB@earthling.net>
9045 * README.Portability: New file.
9047 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
9049 * INSTALL: Give special instructions for building GCC on Irix 6.
9050 * config/mips/x-iris6 (CC): Don't set it.
9053 2000-07-14 Jason Merrill <jason@redhat.com>
9055 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
9056 register in the stack and later in another register, use the new
9059 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9061 * config/mips/mips.md: (absdi2): Handle sign_extend for
9064 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9066 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9068 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9070 * .cvsignore: Correct typo.
9072 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9074 * .cvsignore: Add generated YACC files.
9075 * objc/.cvsignore: New file.
9077 2000-07-14 Neil Booth <NeilB@earthling.net>
9079 * cpplex.c (adjust_column): New funcion.
9080 (skip_whitespace): Use it.
9081 (skip_block_comment): Use it, and warn about /*/* with
9084 2000-07-14 Neil Booth <NeilB@earthling.net>
9086 * cpphash.c (struct macro_info): Add new members.
9087 (_cpp_free_definition): Delete the macro directly.
9088 (count_params): Return void, with first token of
9089 expansion in struct macro_info on success.
9090 (parse_define): Return int. Hoist syntax checking from
9091 save_macro_expansion. Leave call to save_expansion to
9092 _cpp_create_definition.
9093 (alloc_macro): Needs just 2 arguments.
9094 (free_macro): Delete.
9095 (save_expansion): Don't perform syntax check.
9096 (_cpp_create_definition): Call save_expansion.
9098 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9100 * genrecog.c (write_header): Split long string.
9102 * cpphash.c (macro_info): Don't use the `signed' keyword.
9104 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9106 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9108 * calls.c (stored_args_map): New variable.
9109 (check_sibcall_argument_overlap_1): New.
9110 (check_sibcall_argument_overlap): New.
9111 (expand_call): Initialize stored_args_map.
9112 Call check_sibcall_argument_overlap.
9114 2000-07-13 Bruce Korb <bkorb@gnu.org>
9116 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9117 (emit_gnu_type): utility procedure for gnu_type_fix
9118 (gnu_type_fix): implement various pre-processor guards around
9119 standard types so these types can be defined over and over
9120 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9121 types alluded to above will have GNU-compliant base types
9122 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9123 * fixinc/inclhack.def: add test_text entries and utilize the new
9124 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9125 * fixinc/fixincl.x: regenerate
9127 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9129 * diagnostic.c (vline_wrapper_message_with_location,
9130 v_message_with_file_and_line, v_error_with_file_and_file,
9131 v_error_for_asm, v_warning_for_asm, vfatal,
9132 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9133 vsorry, verror, vwarning, vpedwarn): Remove.
9134 (diagnostic_for_asm): New function.
9135 (pedwarn, error, warning, pedwarn_with_file_and_line,
9136 error_with_file_and_line, warning_with_file_and_line, sorry,
9137 error_for_asm, warning_for_asm, fatal): Reimplement.
9138 (finish_diagnostic): Clear diagnostic info as well.
9140 2000-07-13 Neil Booth <NeilB@earthling.net>
9142 * c-common.h (flag_digraphs): New.
9143 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9144 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9147 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9149 * gcc.c (do_spec_1): Add new %B operator.
9150 (set_input): Prepare for %B.
9152 (link_command_spec): Move up with the other tm.h-
9153 overrideable specs. Factor out the portion conditional on
9154 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9155 (struct compiler): Just have a single spec string. All users
9157 (default_compilers): Remove unnecessary braces.
9158 (static_specs): Update.
9160 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9162 (C and assembly specs): Use the new named specs, as appropriate.
9164 * objc/lang-specs.h: Use the new named specs.
9165 Remove unnecessary braces.
9167 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9169 * gcc.c (execute): If a subprocess gets a fatal signal, report
9170 strsignal() of the signal number, and ask for a bug report.
9171 Do not do this for SIGPIPE if there's already been an error.
9173 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9176 * tradcif.c: Remove.
9178 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9180 * final.c (profile_function): Do not emit profile counters in
9181 the data section, if NO_PROFILE_COUNTERS is defined.
9182 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9185 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9186 (FUNCTION_PROFILER): Just emit a call to mcount.
9188 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9190 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9192 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9193 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9194 traditional, lang_chill, or lang_fortran.
9196 * cppfiles.c: #undef strcmp to suppress warning about macros
9197 used without arguments.
9198 (_cpp_execute_include): Use f, not fname, in "No include path"
9200 (_cpp_pop_file_buffer): New function.
9201 * cpplib.c: Don't include <sys/mman.h>.
9202 (cpp_push_buffer): Set line_base and lineno in new buffer.
9203 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9205 * cpplex.c: Move all prototypes and structure declarations to the
9206 top of the file. Properly parenthesise some macro arguments.
9207 (cpp_scan_line): New function.
9208 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9209 don't need to walk up the stack counting.
9211 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9213 * c-common.c (combine_strings): Emit a pedantic warning when a
9214 string length is greater than the minimum ANSI C is required
9217 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9219 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9220 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9222 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9224 * c-decl.c (define_label): Warn about identifier conflicts with
9225 labels in traditional C.
9227 * c-parse.in (unop +): Warn about the unary plus operator for
9230 * c-typeck.c (store_init_value): Warn about automatic aggregate
9231 initialization for traditional C.
9233 * invoke.texi (-Wtraditional): Document new warnings.
9235 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9237 * Makefile.in (c-errors.o): Fix thinko in dependency.
9239 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9241 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9242 -traditional, -ftraditional, or -traditional-cpp was given.
9243 Do not pass -traditional to the preprocessor.
9244 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9245 preprocessor does it automatically.
9246 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9248 * ch/lang-specs.h: Always use tradcpp. Do not pass
9249 -traditional, -trigraphs, or -pedantic to the preprocessor.
9250 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9253 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9255 * cppexp.c (LOGICAL): Delete macro.
9256 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
9259 * cpphash.c (HASHSIZE): Increase to 4096.
9260 (struct hashdummy): Add hash field.
9261 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
9262 the string values using memcmp.
9263 (cpp_lookup): Set dummy.hash.
9265 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
9267 * configure.in (m88k-openbsd): Express configuration using new fragment
9269 * configure: Rebuilt.
9270 * m88k/aout-dbx.h: New.
9271 * m88k/openbsd.h: New.
9272 * m88k/xm-openbsd.h: New.
9274 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9276 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
9278 2000-07-12 Richard Henderson <rth@cygnus.com>
9280 * reload.c (push_secondary_reload): Make sure to add the new
9281 reload at the end, after acquiring secondary memory.
9283 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9285 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
9287 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
9288 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
9290 * c-parse.in (stmt): Delete unused variables.
9292 * convert.c (convert_to_vector): Likewise.
9294 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
9296 * tree.c (finish_vector_type): Prototype.
9298 2000-07-12 Bruce Korb <bkorb@gnu.org>
9300 * fixinc/fixfixes.c: use xmalloc
9301 * fixinc/fixincl.c(initialize): set program name for xmalloc
9302 * fixinc/fixlib.c(must_malloc): obsolete
9303 (is_cxx_header): no longer used - disabled
9304 (skip_quote): inserted and disabled for future use
9305 * fixinc/fixlib.h: reflects above
9306 * fixinc/fixtests.c: removed dinkleberries
9308 2000-07-12 Neil Booth <NeilB@earthling.net>
9310 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
9311 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
9313 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
9314 struct toklist_dummy): New.
9315 (cpp_free_definition): Free macros with free_macro.
9316 (count_params): Don't save paramter spellings. Save macro
9317 information in a struct macro_info.
9318 (parse_define): Don't allocate a token list.
9319 (save_expansion): Allocate the macro's token list, and
9320 save parameter spellings if necessary. Use TOKEN_SPELL.
9321 (cpp_create_definition): Make list const.
9323 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9325 * c-typeck.c (pedwarn_c99): Move to
9326 * c-errors.c: ... Here.
9327 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
9328 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
9329 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
9330 (c-errors.o): List dependency.
9332 2000-07-12 Mark Mitchell <mark@codesourcery.com>
9334 * c-parse.c: Remove.
9335 * c-parse.h: Likewise.
9336 * c-parse.y: Likewise.
9337 * objc/objc-parse.c: Likewise.
9338 * objc/objc-pasre.y: Likewise.
9340 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
9342 * gcc.texi: Fix minor typos
9343 * extend.texi: Fix minor typos
9345 2000-07-11 Marc Espie <espie@openbsd.org>
9347 * collect2.c (main): Recognize .lo as object files.
9349 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9351 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
9354 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
9355 with MAP_ANONYMOUS and MAP_ANON.
9356 * configure, config.in: Rebuilt.
9358 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9360 * diagnostic.c (save_output_state): Remove.
9361 (restore_output_state): Likewise.
9362 (clear_text_info): New function.
9363 (clear_diagnostic_info): Likewise.
9364 (output_text_length, is_starting_newline, output_prefix,
9365 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
9366 prefixing_policy, output_buffer_ptr_to_format_args): New macros
9367 (set_real_maximum_length, output_set_maximum_length,
9368 output_set_prefix, output_get_prefix, output_set_maximum_length,
9369 output_destroy_prefix, init_output_buffer,
9370 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
9371 output_add_newline, output_add_character, output_add_space,
9372 output_append_r, output_append, wrap_text, output_format,
9373 output_do_printf, output_printf, output_do_verbatim,
9374 output_verbatim, verbatim): Use them.
9375 (output_clear): Split into cleat_text_info and
9376 clear_diagnostic_info.
9377 (struct output_state): Move to...
9379 * diagnostic.h: ...Here
9380 (struct output_buffer): Adjust.
9382 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
9384 * cpplex.c (parse_name): No longer inline (premature optimization).
9385 (do_pop_context): Fold into pop_context.
9386 (pop_context): Returns int.
9387 (lex_next): Hoist test for end of directive into pop_context.
9388 (push_macro_context): Returns int; takes just reader and token.
9389 Hoist test for excessive nesting to caller.
9390 (push_arg_context): Returns void; takes just reader and token.
9391 Do not call stringify_arg or get_raw_token.
9392 (get_raw_token): Convert tail recursion through push_arg_context
9393 to a loop at this level. Call stringify_arg here if appropriate.
9394 (maybe_paste_with_next): Convert tail recursion to a while loop.
9395 Hoist test of paste_level to caller.
9397 (stringify_arg): Push arg context at beginning.
9398 (cpp_get_token): Split out core into _cpp_get_token. Call
9399 process_directive here. Throw away CPP_PLACEMARKER tokens.
9400 (_cpp_get_token): Convert tail recursion through
9401 push_macro_context to a loop at this level.
9402 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
9403 _cpp_get_raw_token): Use _cpp_get_token.
9404 (_cpp_skip_rest_of_line): Drop the context stack directly; do
9405 not call pop_context.
9406 (_cpp_run_directive): Call lex_next directly.
9408 * cpphash.h: Prototype _cpp_get_token.
9409 * cppexp.c (lex): Use it.
9410 * cpphash.c (parse_define): Use it.
9411 * cpplib.c (get_define_node, do_undef, parse_include,
9412 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
9413 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
9414 parse_ifdef, validate_else): Use it.
9415 (cpp_push_buffer): Tweak error message; abort if anyone tries
9416 to push a buffer while macro expansions are stacked.
9418 2000-07-11 Donn Terry <donnte@microsoft.com>
9420 * cpplex.c (free_macro_args, save_token): Cast arg of free
9421 and/or xrealloc to PTR.
9422 (_cpp_init_input_buffer): Clear all fields of the base context.
9424 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
9426 * gensupport.c (process_rtx): Make rtl checking stop
9427 complaining about the define_insn while it is being
9428 converted from a define_insn_and_split.
9430 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
9432 * config/mips/mips.c (simple_memory_operand): Access the
9433 INTVAL of the address, not it's containing MEM.
9435 2000-07-11 Bruce Korb <bkorb@gnu.org>
9437 * fixinc/fixtests.c(double_slash): obsolete
9438 (else_endif_label): likewise
9439 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
9440 (libc1_ifdefd_memx): correct initial comment
9441 and omit the #if/#endif pair from the memxxx declarations
9442 * fixinc/fixincl.x: regen
9444 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9446 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
9448 2000-07-11 Neil Booth <NeilB@earthling.net>
9452 2000-07-11 Neil Booth <NeilB@earthling.net>
9454 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
9455 (handle_option): Set digraphs according to standard.
9456 Merge OPT_lang_c89 handler with OPT_std_c89.
9458 * cpplex.c: (lex_line, can_paste): Honour digraphs in
9459 accordance with the digraphs flag.
9461 * cpplib.h: (struct cpp_options): New option digraphs.
9463 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
9464 Bruce Korb <bkorb@gnu.org>
9466 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
9467 * fixinc/fixincl.x: Regenerate.
9468 * fixinc/tests/base/testing.h: Add testcase.
9470 2000-07-10 Richard Henderson <rth@cygnus.com>
9472 * config/ia64/ia64.c (got_symbolic_operand): New.
9473 (symbolic_operand, move_operand): Revert 0701 change.
9474 * config/ia64/ia64.h (PREDICATE_CODES): Update.
9475 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
9476 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
9477 split the offset into a 14-bit low part instead of a 13-bit low part.
9478 (load_fptr): Mark the mem as unchanging.
9479 (load_symptr): Use got_symbolic_operand.
9481 2000-07-10 Nick Clifton <nickc@cygnus.com>
9483 * libgcc2.c (next_stack_level): Cast result of computation to
9484 (void **) so that the assignment does not generate a warning.
9486 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
9488 * flags.h : Add new variable flag_single_precision_constant.
9489 * toplev.c (display_help) : Add -fsingle-precision-constant option.
9490 (flag_single_precision_constant): New.
9491 * c-lex.c (yylex): Convert floating point constant to single
9493 * invoke.texi : Add documentation for this new option.
9495 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9497 * diagnostic.c (output_octal): Second parameter is unsigned.
9498 (output_long_octal): Likewise.
9499 (output_hexadecimal): Likewise.
9500 (output_long_hexadecimal): Likewise.
9501 (output_format): Adjust arguments extraction. Tweak.
9502 (output_verbatim, verbatim): End variable argument list.
9503 (report_diagnostic): Improve documentation.
9505 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
9507 * c-common.h (build_stmt): Declare.
9508 (build_continue_stmt): Likewise.
9509 (build_break_stmt): Likewise.
9510 (build_return_stmt): Likewise.
9512 * c-decl.c (do_case): Rewrite to do what previously done in
9515 * c-semantics.c (build_stmt): Define.
9516 (build_return_stmt): Likewise.
9517 (build_break_stmt): Likewise.
9518 (build_continue_stmt): Likewise.
9519 (build_case_label): Likewise.
9521 * c-parse.in (BREAK): Change to build tree, then generate RTL.
9522 (CONTINUE): Likewise.
9525 (DEFAULT): Likewise.
9527 * c-parse.y: Regenerate.
9528 * c-pasre.c: Likewise.
9530 2000-07-09 Jason Merrill <jason@redhat.com>
9532 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
9534 * tree.h (STRIP_NOPS): Check for error_mark_node.
9535 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
9536 (dwarf2out_*): Remove duplicate declarations.
9538 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
9539 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
9541 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
9543 * diagnostic.c (wrap_text): New function.
9544 (maybe_wrap_text): Likewise.
9545 (output_add_string): Use it.
9546 (output_format): Likewise.
9547 (count_error): Use verbatim instead of notice.
9548 (report_error_function): Likewise. Don't use plain fprintf.
9549 (finish_diagnostic): New function.
9550 (output_do_verbatim): Tweak. Commonalize functionalities in
9551 output_verbatim and verbatim.
9552 (output_verbatim): Adjust.
9553 (verbatim): Likewise.
9554 (report_diagnostic): Define.
9556 * diagnostic.h (report_diagnostic): Prototype.
9558 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
9560 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
9562 2000-07-09 Neil Booth <NeilB@earthling.net>
9564 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
9565 IShspace, ISspace: Update.
9567 * cppinit.c: ISTABLE: Update.
9570 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
9571 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
9572 (skip_block_comment, skip_line_comment, parse_string,
9573 lex_line): Use is_vspace rather than IS_NEWLINE.
9574 (skip_whitespace, lex_line): Clean up to use is_nvspace.
9575 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
9577 (lex_next): Unconditionally stop if within a directive.
9578 Treat directives within macro invocations as directives
9579 (after parse_args emits error), not as the argument.
9581 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
9583 * diagnostic.c (diagnostic_args): New macro.
9584 (diagnostic_msg): Likewise.
9585 (output_formatted_integer): Likewise.
9586 (output_state): New data type.
9587 (digit_buffer): Make global.
9588 (output_add_integer): Rename to output_decimal. Squeeze
9590 (output_long_decimal, output_unsigned_decimal,
9591 output_long_unsigned_decimal, output_octal, output_long_octal,
9592 output_hexadecimal, output_long_hexadecimal): New functions.
9593 (output_append_r): New function.
9594 (output_append): Tweak.
9595 (output_flush_on): Rename to output_to_stream.
9596 (output_format): Change prototype. Improve documentation. Handle
9597 more format specifiers.
9598 (build_location_prefix): Rename to context_as_prefix.
9599 (output_notice): Rename to output_do_printf.
9600 (output_printf): Tweak.
9601 (line_wrapper_printf): Likewise.
9602 (vline_wrapper_message_with_location): Adjust call to renamed
9604 (v_message_with_decl): Likewise.
9605 (default_print_error_function): Likewise.
9606 (save_output_state): New function.
9607 (restore_output_state): Likewise.
9608 (output_do_verbatim): Likewise.
9609 (output_verbatim): Define.
9610 (verbatim): Likewise.
9612 * diagnostic.h (printer_fn): Change return type from void to int.
9613 Improve documentation.
9614 (output_add_integer): Rename to output_decimal.
9615 (output_flush_on, output_format): Don't export.
9616 (output_verbatim, verbatim): Declare.
9618 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
9620 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
9621 Check whether c divides op1 exactly if operation is not
9624 2000-07-08 Richard Henderson <rth@cygnus.com>
9626 * final.c (final): Do not abort when reg-stack introduces
9629 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
9631 * cpplib.h (struct cpp_name): Now struct cpp_string.
9632 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
9633 CPP_HEADER_NAME): Change to type S.
9634 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
9635 field, a cpp_hashnode *. All references to val.name updated
9636 to use val.str or val.node as appropriate.
9637 (struct cpp_reader): Add spec_nodes field.
9638 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
9640 * cpphash.h (struct spec_nodes): New.
9641 (enum spell_type): Reorder. Only SPELL_STRING tokens use
9642 val.str. All references to 'spelling > SPELL_NONE' updated to
9645 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
9646 pfile->buffer->inc are not NULL before dereferencing them.
9648 * cpplex.c (parse_name): Take a pointer to the current token,
9649 plus current position and limit as args; return the new
9650 position; don't copy the text of a name into the string
9651 buffer, instead call cpp_lookup and store the node pointer.
9652 If extending a token, copy out the text of the old into a
9653 scratch buffer, append the new, look that up and store the new
9654 node pointer. Inline.
9655 (maybe_paste_with_next): If the result of paste is a NAME,
9656 then look up the pasted text and store its node pointer.
9657 (lex_line): Adjust for new parse_name interface.
9658 Check for L"str", L'str' using spec_nodes->n_L.
9659 (spell_token): SPELL_IDENT tokens have their spelling in
9660 val.node->name. Handle SPELL_STRING tokens that don't have
9662 (_cpp_expand_name_space,
9663 (can_paste): Check for L ## "str" using spec_nodes->n_L.
9664 (cpp_get_token, special_symbol): No need to call cpp_lookup.
9665 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
9666 return 1=equal 0=not, not a tristate.
9668 * cpphash.c (var_args_str): Delete.
9669 (find_param): Compare node fields directly.
9670 (is__va_args__): Use CPP_PEDANTIC. Just compare
9671 token->val.node with spec_nodes->n__VA_ARGS__.
9672 (dump_funlike_macro): Don't use var_args_str.
9674 * cpplib.c (_cpp_check_directive): Just walk through
9675 spec_nodes->dirs comparing pointers.
9676 (get_define_node, do_pragma_poison, detect_if_not_defined,
9677 parse_ifdef): The identifier has already been looked up.
9678 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
9680 (do_if): Only call detect_if_not_defined at beginning of file.
9681 (_cpp_parse_assertion): Only copy string pointers for
9682 SPELL_STRING tokens.
9683 (pragma_dispatch): Take a node pointer and examine its name
9685 (_cpp_init_stacks): Also initialize the spec_nodes structure.
9687 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
9689 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
9690 reverse order from the corresponding _cpp_init_* routines.
9692 * cppexp.c (parse_number, parse_charconst, parse_defined,
9693 lex): Check val.node->type instead of calling cpp_defined.
9694 Use spec_nodes entries where appropriate.
9696 * fix-header.c, scan-decls.c: Update for interface changes.
9698 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
9700 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
9701 emitting aux_truncdfsf2.
9703 2000-07-03 Donn Terry (donnte@microsoft.com)
9705 * cppinit.c (print_help): split overlong line into ISO C89
9708 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
9710 * cppexp.c: Update all code for new lexer interface.
9711 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
9712 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
9713 * cpplex.c (token_names): Trim leading CPP_ from names; make
9714 the strings unsigned.
9715 (_cpp_spell_operator): New.
9716 (is_macro_disabled): Disable all macros if rescanning
9718 (_cpp_get_directive_token): Remove.
9720 * cppinit.c: Don't set no_macro_expand.
9721 * cpplib.c (read_line_number, do_line): Check only for EOF,
9723 * cpphash.h: Update prototypes.
9724 * cpplib.h (CPP_VSPACE): Remove.
9725 (struct cpp_reader): Remove no_macro_expand.
9727 2000-07-08 Neil Booth <NeilB@earthling.net>
9729 * cpphash.c (is__va_args__): New function.
9730 (count_params): Fix line reported in error messages. Use
9731 is__va_args__. Don't return ')' on error. Flag GNU style
9732 rest args macro definitions.
9733 (parse_define): Check macro name is not __VA_ARGS__.
9734 (save_expansion): Check identifier in non-varargs-macro is
9735 not __VA_ARGS__. Don't flag GNU_VARARGS.
9736 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
9737 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
9738 than per-token GNU_VARARGS.
9739 * cpplib.h (GNU_VARARGS): Remove.
9740 (GNU_REST_ARGS): New.
9742 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
9744 * i386.md (call_pop, call, call_value_pop): Do not set
9745 current_function_uses_pic_offset_table for calls to static
9746 functions or indirect calls.
9748 2000-07-07 Jim Wilson <wilson@cygnus.com>
9750 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
9751 is_predicate_reg, then take max write_count of register pair.
9753 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9755 * tradcpp.c (main): Rename label `include' to `add_include' to
9756 avoid conflicts with variable `include' in traditional C.
9758 2000-07-07 Jakub Jelinek <jakub@redhat.com>
9760 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
9762 2000-07-07 Jakub Jelinek <jakub@redhat.com>
9764 * sibcall.c (uses_addressof): Add INMEM argument, check for
9765 current_function_internal_arg_pointer outside of MEM rtxs in addition
9767 (sequence_uses_addressof): Update caller.
9769 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
9771 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
9774 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9776 * system.h (UNION_INIT_ZERO): New macro for initializing union
9779 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
9781 2000-07-07 Neil Booth <NeilB@earthling.net>
9785 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
9787 * final.c (final): Detect out of bounds array access to
9788 the insn_lengths array.
9790 2000-07-07 Kazu Hirata <kazu@hxi.com>
9792 * fold-const.c (fold): Fix a comment typo.
9794 2000-07-07 Neil Booth <NeilB@earthling.net>
9796 * cpp.texi: Update to new lexer.
9798 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
9800 * tradcpp.c: New file.
9801 * tradcif.y: New file.
9802 * tradcif.c: New generated file.
9804 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
9805 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
9806 dependencies of C. Install tradcpp from install-common, in
9809 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
9811 * cppinit.c: Include cppdefault.h. Refer to
9812 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
9813 to GCC_INCLUDE_DIR and its length.
9814 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
9815 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
9816 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
9818 (include_defaults_array): Move to cppdefault.c.
9820 * cppdefault.h: New file.
9821 * cppdefault.c: New file.
9823 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
9824 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
9825 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
9828 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9830 * reload.c (push_reload): When seeing if can reuse a register,
9831 check extra registers against widest of INMODE and OUTMODE.
9833 2000-07-06 Neil Booth <NeilB@earthling.net>
9835 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
9836 based on full length of predicate.
9838 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
9840 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
9841 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
9843 2000-07-05 Kazu Hirata <kazu@hxi.com>
9845 * h8300-proto.h: Fix formatting.
9846 * h8300.c: Likewise.
9847 * h8300.h: Likewise.
9849 2000-07-05 Jim Wilson <wilson@cygnus.com>
9851 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
9854 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
9856 * invoke.texi: Fix minor typos
9857 * md.texi: Fix minor typos
9859 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
9861 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
9863 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
9865 * cpplex.c: Don't include sys/mman.h.
9866 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
9868 * cpplib.c: Include sys/mman.h and obstack.h.
9869 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
9871 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
9872 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
9873 bother freeing if stack entries (they will be freed with their buffer).
9874 (do_endif): Free if stack entries from the buffer obstack.
9875 (push_conditional): Allocate if stack entries from the buffer obstack.
9877 (find_answer): Rename to _cpp_find_answer.
9878 (do_assert, do_unassert): Update.
9880 * cpphash.h: Update prototypes.
9881 (xobnew): New convenience macro.
9882 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
9884 (struct cpp_hashnode): Remove disabled field.
9886 * cppinit.c: Don't include hashtab.h or splay-tree.h.
9887 (report_missing_guard): Moved to cppfiles.c.
9888 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
9890 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
9891 cpp_cleanup_includes. Don't destroy hashtab or
9892 all_include_files here.
9893 (cpp_finish): Use _cpp_report_missing_guards.
9895 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
9896 (_cpp_init_include_table): Rename _cpp_init_includes.
9897 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
9899 * cppexp.c (parse_assertion): Update for new name of
9902 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
9904 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
9906 * cpplib.c (do_ident): s/VSPACE/EOF/
9908 2000-07-05 Neil Booth <NeilB@earthling.net>
9910 * cpplex.c: Fix trigraph replacement within strings.
9912 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9914 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
9916 * xcoffout.c (assign_type_number): Constify.
9917 (xcoffout_source_file): Add static prototype. Don't needlessly
9918 cast away const-ness.
9920 2000-07-04 Jason Merrill <jason@redhat.com>
9922 * frame.h (frame_state): Move base_offset to end.
9924 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
9926 * calls.c (emit_library_call_value_1): Revert previous change.
9928 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
9930 * fix-header.c (struct partial_proto): Remove unnecessary fields.
9931 (recognized_extern, recognized_function, read_scan_file):
9932 Update for new scheme.
9933 (check_protection): It's still a multiple include guard even
9934 if it doesn't always trigger.
9935 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
9937 * scan.h: Declare struct cpp_token. Update prototypes.
9939 2000-07-03 Neil Booth <neilb@earthling.net>
9940 Zack Weinberg <zack@wolery.cumb.org>
9942 Complete overhaul of the lexer and macro expander.
9944 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
9945 arg, arglist, argdata, reflist, collect_objlike_expansion,
9946 collect_funlike_expansion, collect_params,
9947 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
9948 unsafe_chars, macarg, compare_defs, special_symbol,
9949 scan_arguments, stringify, funlike_macroexpand,
9950 _cpp_quote_string, monthnames): Delete.
9951 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
9952 _cpp_create_definition, _cpp_dump_definition,
9953 dump_hash_helper): Adjust.
9954 (find_param, count_params, parse_define, var_args_str,
9955 check_macro_redefinition, save_expansion): New.
9957 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
9958 parse_string, output_line_command, trigraph_replace,
9959 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
9960 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
9961 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
9962 _cpp_skip_rest_of_line): Modify.
9964 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
9965 find_position, null_warning, bump_column, expand_name_space,
9966 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
9967 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
9968 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
9969 _cpp_prescan): Delete.
9971 (dump_param_spelling, process_directive, lex_next,
9972 is_macro_disabled, stringify_arg, expand_context_stack,
9973 output_token, make_string_token, alloc_number_token,
9974 special_symbol, duplicate_token, maybe_paste_with_next,
9975 can_paste, prevent_macro_expansion, restore_macro_expansion,
9976 get_temp_token, release_temp_tokens, quote_string,
9977 token_names, token_spellings, _cpp_expand_name_space,
9978 _cpp_glue_header_name, _cpp_reserve_name_space,
9979 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
9980 placemarker_token, eof_token, cpp_context, macro_args,
9981 get_raw_token, parse_arg, parse_args, save_token,
9982 push_arg_context, push_macro_context, pop_context,
9983 do_pop_context, free_macro_args, _cpp_get_line,
9984 _cpp_run_directive): New.
9986 * cpplib.c (validate_else, parse_include, push_conditional,
9987 pass_thru_directive, read_line_number, parse_ifdef,
9988 detect_if_not_defined, _cpp_check_directive, do_define,
9989 do_undef, do_include, do_import, do_include_next, do_error,
9990 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
9991 top_pragmas, do_pragma_gcc, do_pragma_implementation,
9992 do_pragma_poison, do_pragma_system_header,
9993 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
9994 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
9995 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
9996 cpp_defined): Update for new scheme.
9997 (strtoul_for_line, get_define_node, dump_macro_name,
9998 _cpp_check_linemarker, _cpp_parse_assertion): New.
9999 (_cpp_handle_directive, do_pragma_default): Delete.
10001 * cpphash.h (struct predicate): Now struct answer.
10002 (enum spell_type, struct token_spelling, struct directive,
10003 directive_handler): New.
10004 Update prototypes. Remove unused macros.
10005 * cpplib.h: Update prototypes. Remove unused macros,
10006 structure definitions, and fields.
10008 * cpperror.c (print_containing_files, v_message): Adjust.
10009 * cppexp.c (parse_assertion, lex, parse_escape,
10010 _cpp_parse_expr): Adjust.
10011 * cppfiles.c (open_include_file, _cpp_execute_include,
10012 _cpp_compare_file_date, cpp_read_file, read_include_file):
10014 * cppinit.c (dump_special_to_buffer): Delete.
10015 (append_include_chain, merge_include_chains, cpp_reader_init,
10016 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
10017 cpp_finish, handle_option, print_help): Adjust.
10018 * cppmain.c (main): Adjust.
10020 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10022 * cppspec.c (lang_specific_driver): Use double quotes in error
10025 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10027 * calls.c (emit_library_call_value_1): Use valreg instead
10028 of hard_libcall_value.
10030 2000-07-03 Geoff Keating <geoffk@cygnus.com>
10032 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
10033 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
10034 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
10042 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
10043 mode instead of wider_mode is being used.
10045 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10047 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
10048 of 'r'. Use q_regs_operand.
10049 (andsi_1+2): Use q_regs_operand.
10051 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10053 * builtins.c (get_memory_rtx): Always put into alias set 0.
10055 2000-07-03 Nick Clifton <nickc@cygnus.com>
10057 * config/arm/arm.md: Fix post increment and pre increment
10058 peepholes so that they do not generate UNPREDICATBLE opcodes.
10059 (ie ones where the increment clobbers the source/destination).
10061 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10063 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10064 change too big for -mtiny-stack" a warning, if larger than 63.
10065 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10066 always safe to use on possible future devices.
10067 (function_prologue): Write SPH before SPL, for consistency.
10068 If interrupt_func_p true, we know we have enabled interrupts.
10069 (avr_num_arg_regs): New function. Round up to even number of
10070 bytes if no -mpack-args or if calling a libgcc function.
10071 (function_arg, function_arg_advance): Use it.
10072 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10073 Output "movw" if available.
10074 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10075 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10076 (asm_output_section_name): Add blanks for consistent output.
10077 (encode_section_info): Set TREE_READONLY for progmem data to
10078 avoid gas warnings about changed section attributes.
10079 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10080 even numbered registers on devices with "movw".
10081 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10082 (TARGET_SWITCHES): Mark help strings for translation.
10083 Add new -mpack-args and -menhanced switches.
10084 (TARGET_OPTIONS): Mark help strings for translation.
10085 (progmem_section): Add section attributes.
10086 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10087 Output "movw" if available.
10088 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10090 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10091 call convention (arguments aligned on even registers).
10092 (_cleanup, _exit): Make weak symbols libc can override.
10094 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10096 * fp-bit.h: New file.
10098 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10099 Comment #endif statements.
10100 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10102 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10104 * gcse.c (compute_pre_data): Compute ae_kill using other local
10105 properties instead of calling compute_ae_kill.
10107 * alias.c (init_alias_analysis): Do not call
10108 prologue_epilogue_contains until after reload has completed.
10110 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10112 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10113 (genrtl_finish_compound_stmt): Likewise.
10114 (genrtl_compound_stmt): Change to return void.
10116 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10117 move code from here to ...
10118 (genrtl_compound_stmt): ... here.
10119 (genrtl_finish_compound_stmt): Remove.
10120 (expand_stmt): Add comment.
10122 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10124 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10127 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10129 * cpplib.h (struct cpp_reader): New field include_depth.
10130 (struct cpp_printer): Rename last_bsd to last_id.
10131 * cppfiles.c (read_include_file): Bump include_depth.
10132 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10133 (output_line_command): Output correct #line if a header
10134 is including itself and is not protected against multiple inclusion.
10135 Use include_depth instead of buffer_stack_depth, last_id instead of
10137 * cppinit.c (cpp_start_read): Initialize last_id instead of
10140 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10142 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10143 (c-semantics.o): New target.
10145 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10146 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10147 (genrtl_clear_out_block): Likewise.
10148 (genrtl_goto_stmt): Likewise.
10149 (genrtl_expr_stmt): Likewise.
10150 (genrtl_decl_stmt): Likewise.
10151 (genrtl_if_stmt): Likewise.
10152 (genrtl_while_stmt): Likewise.
10153 (genrtl_do_stmt): Likewise.
10154 (genrtl_return_stmt): Likewise.
10155 (genrtl_for_stmt): Likewise.
10156 (genrtl_break_stmt): Likewise.
10157 (genrtl_continue_stmt): Likewise.
10158 (genrtl_scope_stmt): Likewise.
10159 (genrtl_switch_stmt): Likewise.
10160 (genrtl_case_label): Likewise.
10161 (genrtl_begin_compound_stmt): Likewise.
10162 (gerntl_finish_compound_stmt): Likewise.
10163 (genrtl_compound_stmt): Likewise.
10164 (genrtl_asm_stmt): Likewise.
10165 (genrtl_decl_cleanup): Likewise.
10166 (DECL_ANON_UNION_ELEMS): Likewise.
10167 (emit_local_var): Likewise.
10168 (make_rtl_for_local_static): Likewise.
10169 (expand_cond): Likewise.
10170 (expand_stmt): Likewise.
10171 (c_expand_return): Likewise.
10172 (c_expand_start_case): Likewise.
10173 (do_case): Likewise.
10174 (COMPOUND_STMT_NO_SCOPE): Likewise.
10175 (c_expand_asm_operands): Likewise.
10176 (NEW_FOR_SCOPE_P): New macro.
10177 (expand_expr_stmt_fn): New type.
10179 (set_current_function_name_declared): Likewise.
10180 (current_function_name_declared): Likewise.
10181 (lang_expand_stmt): Likewise.
10182 (stmts_are_full_exprs_p): Likewise.
10183 (anon_aggr_type_p): Likewise.
10184 (lang_expand_expr_stmt): Likewise.
10185 (build_case_label): Likewise.
10187 * c-decl.c (lang_expand_expr_stmt): Initialize.
10188 (stmts_are_full_exprs_p): Define.
10189 (current_function_name_declared): Likewise.
10190 (do_case): Likewise.
10191 (lang_expand_stmt): Likewise.
10192 (set_current_function_name_declared): Likewise.
10193 (anon_aggr_type_p): Likewise.
10195 * c-semantics.c: New file.
10196 (expand_cond): Moved from cp/semantics.c.
10197 (genrtl_do_pushlevel): Likewise.
10198 (genrtl_clear_out_block): Likewise.
10199 (genrtl_goto_stmt): Likewise.
10200 (genrtl_expr_stmt): Likewise.
10201 (genrtl_decl_stmt): Likewise.
10202 (genrtl_if_stmt): Likewise.
10203 (genrtl_while_stmt): Likewise.
10204 (genrtl_do_stmt): Likewise.
10205 (genrtl_return_stmt): Likewise.
10206 (genrtl_for_stmt): Likewise.
10207 (genrtl_break_stmt): Likewise.
10208 (genrtl_continue_stmt): Likewise.
10209 (genrtl_scope_stmt): Likewise.
10210 (genrtl_switch_stmt): Likewise.
10211 (genrtl_case_label): Likewise.
10212 (genrtl_begin_compound_stmt): Likewise.
10213 (genrtl_finish_compound_stmt): Likewise.
10214 (genrtl_compound_stmt): Likewise.
10215 (genrtl_asm_stmt): Likewise.
10216 (genrtl_decl_cleanup): Likewise.
10217 (make_rtl_for_local_static): Moved from cp/decl.c.
10218 (emit_local_var): Likewise.
10219 (expand_stmt): Define.
10221 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10222 (c_expand_return): Likewise.
10223 (c_expand_start_case): Likewise.
10225 2000-07-01 Richard Henderson <rth@cygnus.com>
10227 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10228 with the low 13 bits set.
10229 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10230 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10231 of the low 13 bits into a CONST plus an adddi3.
10232 (load_symptr): Set RTX_UNCHANGING_P.
10234 See ChangeLog.3 for earlier changes.